DE405 Lunar Ephemeris Calculator
Based on the 600-year NASA/JPL DE405 Ephemeris Model
Spanning the Period From 1600 to 2200 on the Modern Gregorian Calendar
Calendar Date
Year / Month / Day
Time
hh:mm:ss
Date/Time Mode
LT | UT | TT
Local Time Zone Offset From UT
±hh:mm (Neg/Pos = West/East)
Local Time (
LT
) =
UT
Default Location:
America/New_York
- Your Local Latitude, Lonitude and Time Zone May be Different
Geographic Location Used For Local Topocentric Computations
71.2767 deg
Latitude
Deg.ddd or DMS (Neg=S)
Longitude
Deg.ddd or DMS (Neg=W)
Sea-Level Elevation
meters
QUICK DE405 LUNAR EPHEMERIS STATISTICS ---------------------------- DATE/TIME/MODE/ZONE/LOCATION Date = 2025 Dec 26 Fri Time = 01:48:03 LT Time Zone = UT-05:00 Delta T = +00:01:15 Latitude = +42.6764593 deg N = +42° 40' 35.25" Longitude = -76.8230111 deg W = -76° 49' 22.84" = -05h 07m 17.52s Elevation = +0.0 m JD TT = 2461035.78423611 = Working Julian Date on TT scale Phase Angle = 71.2767 deg Visual Phase = Waxing crescent moon Horizon Altitude = -35.190° BELOW local horizon - Descending in WNW Direction Azimuth = 298.975° = WNW (N=0, E=90, S=180, W=270) ====================================================================== TIME LT LOCAL BASIC EVENTS SCHEDULE FOR DATE -------- ------------------------------------ 07:36 Sunrise 11:21 Moonrise - Waxing crescent moon 16:40 Sunset 23:34 Moonset ====================================================================== GEOCENTRIC LUNAR COORDINATES AND DISTANCE Right Ascension = 23h 07m 52.680s = 23.1312999 h = 346.9694985° Declination = -05° 07' 26.50" = -5.124027° Distance = 238179.878 mi = 383313.358 km Angular Diameter = 31' 10.57" = 31.17610' = 1870.57" = 0.5196016° Eq. Horiz. Parallax = 57' 12.30" = 0.9534160° = 57.20496' = 3432.30" Local Hour Angle = -15h 05m 45.37s = -15.0959353 h = -226.4390300° ----------------------------- TOPOCENTRIC LUNAR COORDINATES Right Ascension = 23h 05m 51.137s = 23.0975380 h = 346.4630700° Declination = -05° 42' 55.28" = -5.715355° Radial Velocity = -186.92 km/h = -116.15 mi/h = Approaching Earth Orbital Velocity = 3680.41 km/h = 2286.90 mi/h DECEMBER 2025 - Lunar Quarter Phases, Apogees and Perigees For Time Zone UT-05:00 Applied NASA Delta T = +00:01:15 Date and Time LT Lunar Event --------------------- ----------------------------------- 2025 Dec 04 Thu 06:07 Perigee 221806.25 mi = 356962.56 km 2025 Dec 04 Thu 18:14 Full Moon = Phase 180 2025 Dec 11 Thu 15:52 Last Quarter Moon = Phase 270 2025 Dec 17 Wed 01:09 Apogee 252476.93 mi = 406322.23 km 2025 Dec 19 Fri 20:43 New Moon = Phase 0/360 2025 Dec 27 Sat 14:10 First Quarter Moon = Phase 90
EXTENDED DE405 LUNAR EPHEMERIS STATISTICS AND HOURLY TABLES Time Mode = LT Time Zone = UT-05:00 ---------------------------------------------------------- CALENDAR DATE TIME JULIAN DATE JD NUMBER --------------- ----------- ---------------- ----------- 2025 Dec 26 Fri 01:48:03 LT 2461035.57503472 2461036 LT -05:00:00 TZ -0.20833333 2025 Dec 26 Fri 06:48:03 UT 2461035.78336805 2461036 UT +00:01:15 dT +0.00086806 2025 Dec 26 Fri 06:49:18 TT 2461035.78423611 2461036 TT JD TT = 2461035.78423611 = Working Julian Date on TT scale Latitude = +42.6764593 deg N = +42° 40' 35.25" Longitude = -76.8230111 deg W = -76° 49' 22.84" = -05h 07m 17.52s Elevation = +0.0 m ----------- EARTH GEOID ρ × sin(φ') = +0.6743577407 ρ × cos(φ') = +0.7363265249 ---------------------- APPARENT SIDEREAL TIME Greenwich 13h 09m 24.84s = 13.1568987 h = 197.3534799 deg Local 08h 02m 07.31s = 8.0353646 h = 120.5304688 deg ================================================================= LUNAR POSITION, DISTANCE, PHASE AND LOCAL SUN/MOON RISE/SET TIMES Date = 2025 Dec 26 Fri Time = 01:48:03 LT Time Zone = UT-05:00 Delta T = +00:01:15 JD TT = 2461035.78423611 GEOGRAPHIC LOCATION Latitude = +42.6764593 deg N = +42° 40' 35.25" Longitude = -76.8230111 deg W = -76° 49' 22.84" = -05h 07m 17.52s Elevation = +0.0 m GEOCENTRIC LUNAR COORDINATES Right Ascension = 23h 07m 52.680s = 23.1312999 h = 346.9694985° Declination = -05° 07' 26.50" = -5.124027° Distance = 238179.878 mi = 383313.358 km Phase Angle = 71.27672° Visual Phase = Waxing crescent moon Angular Diameter = 31' 10.57" = 31.17610' = 1870.57" = 0.5196016° Eq. Horiz. Parallax = 57' 12.30" = 0.9534160° = 57.20496' = 3432.30" Radial Velocity = -186.92 km/h = -116.15 mi/h = Approaching Earth Orbital Velocity = 3680.41 km/h = 2286.90 mi/h TOPOCENTRIC LUNAR COORDINATES Right Ascension = 23h 05m 51.137s = 23.0975380 h = 346.4630700° Declination = -05° 42' 55.28" = -5.715355° Horizon Altitude = -35.190° BELOW local horizon - Descending in WNW Direction Azimuth = 298.975° = WNW (N=0, E=90, S=180, W=270) Local Hour Angle = -15h 05m 45.37s = -15.0959353 h = -226.4390300° Light Time = 1.2516 sec = 1-way surface-to-surface = 2.5031 sec = 2-way surface-to-surface -------- ------------------------------------------------ TIME LT LOCAL EVENTS SCHEDULE FOR DATE 07:36 Sunrise 11:21 Moonrise - Waxing crescent moon 16:40 Sunset 23:34 Moonset ----------------------------------------------------------------- HOURLY GEOCENTRIC LUNAR COORDINATES, DISTANCE AND PHASE EPHEMERIS DATE = 2025 Dec 26 Fri LT TZ = UT-05:00 = Time Zone Offset From UT (Neg/Pos = West/East) dT = +00:01:15 = NASA Delta T estimate Table Origin for 00:00:00 LT of date = 2461035.70920139 TT LT hh RA Hrs Decl Deg Dist Km Dist Mi Phase Deg -- ---------- ---------- ---------- ---------- --------- -3 22.9752237 -6.349103 384204.921 238733.870 68.8589 -2 23.0077342 -6.095169 384020.191 238619.084 69.3616 -1 23.0402432 -5.840565 383834.937 238503.972 69.8647 00 23.0727522 -5.585305 383649.167 238388.540 70.3684 01 23.1052626 -5.329407 383462.892 238272.794 70.8726 02 23.1377757 -5.072888 383276.120 238156.740 71.3773 03 23.1702930 -4.815762 383088.862 238040.383 71.8825 04 23.2028157 -4.558048 382901.127 237923.730 72.3882 05 23.2353454 -4.299762 382712.928 237806.788 72.8945 06 23.2678835 -4.040921 382524.272 237689.563 73.4012 07 23.3004313 -3.781542 382335.173 237572.062 73.9085 08 23.3329903 -3.521642 382145.641 237454.293 74.4163 09 23.3655621 -3.261237 381955.687 237336.261 74.9247 10 23.3981480 -3.000345 381765.323 237217.974 75.4336 11 23.4307494 -2.738983 381574.562 237099.441 75.9430 12 23.4633679 -2.477169 381383.415 236980.667 76.4530 13 23.4960050 -2.214920 381191.895 236861.662 76.9635 14 23.5286620 -1.952253 381000.015 236742.434 77.4746 15 23.5613406 -1.689187 380807.787 236622.989 77.9862 16 23.5940422 -1.425738 380615.225 236503.336 78.4985 17 23.6267683 -1.161925 380422.343 236383.485 79.0112 18 23.6595205 -0.897765 380229.154 236263.443 79.5245 19 23.6923003 -0.633277 380035.672 236143.219 80.0384 20 23.7251092 -0.368480 379841.913 236022.822 80.5529 21 23.7579488 -0.103391 379647.889 235902.261 81.0679 22 23.7908205 +0.161972 379453.617 235781.546 81.5835 23 23.8237259 +0.427589 379259.113 235660.687 82.0997 24 23.8566667 +0.693443 379064.389 235539.691 82.6165 25 23.8896444 +0.959513 378869.464 235418.571 83.1339 26 23.9226604 +1.225781 378674.352 235297.334 83.6519 27 23.9557165 +1.492228 378479.071 235175.992 84.1704 28 23.9888142 +1.758835 378283.636 235054.554 84.6896 -------- ------------------------------------------------- TIME LT BASIC EVENTS SCHEDULE FOR DATE AND LOCATION 07:36 Sunrise 11:21 Moonrise - Waxing crescent moon 16:40 Sunset 23:34 Moonset ====================================================================== HOURLY GEOCENTRIC LUNAR DISTANCE, RADIAL VELOCITY AND ORBITAL VELOCITY TABLE INCLUDING ANY APOGEE OR PERIGEE EVENT ON DATE. DATE = 2025 Dec 26 Fri TIME = UT-05:00 dT = +00:01:15 = NASA Delta T estimate For Radial Velocity: Neg/Pos = Approaching/Receding == ======================= =================== ==================== LT GEOCENTRIC DISTANCE RADIAL VELOCITY ORBITAL VELOCITY hh km mi km/h mi/h km/h mi/h -- ---------- ---------- -------- -------- -------- -------- -2 384020.191 238619.084 -184.993 -114.949 3674.297 2283.102 -1 383834.937 238503.972 -185.513 -115.273 3675.890 2284.092 00 383649.167 238388.540 -186.024 -115.590 3677.480 2285.080 01 383462.892 238272.794 -186.525 -115.901 3679.107 2286.091 02 383276.120 238156.740 -187.016 -116.206 3680.738 2287.105 03 383088.862 238040.383 -187.497 -116.506 3682.349 2288.106 04 382901.127 237923.730 -187.969 -116.798 3684.011 2289.138 05 382712.928 237806.788 -188.429 -117.085 3685.663 2290.165 06 382524.272 237689.563 -188.878 -117.363 3687.320 2291.194 07 382335.173 237572.062 -189.318 -117.637 3689.004 2292.241 08 382145.641 237454.293 -189.744 -117.901 3690.695 2293.292 09 381955.687 237336.261 -190.160 -118.160 3692.380 2294.339 10 381765.323 237217.974 -190.564 -118.411 3694.091 2295.402 11 381574.562 237099.441 -190.956 -118.655 3695.807 2296.468 12 381383.415 236980.667 -191.335 -118.890 3697.518 2297.531 13 381191.895 236861.662 -191.702 -119.118 3699.265 2298.617 14 381000.015 236742.434 -192.056 -119.338 3701.012 2299.703 15 380807.787 236622.989 -192.396 -119.549 3702.751 2300.783 16 380615.225 236503.336 -192.724 -119.753 3704.525 2301.885 17 380422.343 236383.485 -193.037 -119.948 3706.300 2302.988 18 380229.154 236263.443 -193.337 -120.134 3708.080 2304.094 19 380035.672 236143.219 -193.623 -120.312 3709.867 2305.205 20 379841.913 236022.822 -193.893 -120.479 3711.678 2306.330 21 379647.889 235902.261 -194.149 -120.639 3713.476 2307.447 22 379453.617 235781.546 -194.391 -120.789 3715.297 2308.578 23 379259.113 235660.687 -194.616 -120.929 3717.132 2309.719 24 379064.389 235539.691 -194.826 -121.059 3718.950 2310.848 25 378869.464 235418.571 -195.021 -121.180 3720.805 2312.001 26 378674.352 235297.334 -195.198 -121.291 3722.659 2313.153 27 378479.071 235175.992 -195.360 -121.391 3724.506 2314.301 -------- -----------------------------------------------------------
DE405 Lunar Ephemeris Calculator - v2.94 - A PHP Astronomy Program by Jay Tanner
Revised:
2021 June 21 at 06:54:17 AM Monday