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			37.6708 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 = 2026 Aug 15 Sat Time = 11:12:10 LT Time Zone = UT-04:00 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 = 2461268.13431714 = Working Julian Date on TT scale Phase Angle = 37.6708 deg Visual Phase = Waxing crescent moon Horizon Altitude = +16.096° ABOVE local horizon - Ascending in ESE Direction Azimuth = 110.393° = ESE (N=0, E=90, S=180, W=270) ====================================================================== TIME LT LOCAL BASIC EVENTS SCHEDULE FOR DATE -------- ------------------------------------ 06:15 Sunrise 09:33 Moonrise - Waxing crescent moon 20:08 Sunset 21:25 Moonset ====================================================================== GEOCENTRIC LUNAR COORDINATES AND DISTANCE Right Ascension = 11h 57m 29.819s = 11.9582831 h = 179.3742465° Declination = -02° 40' 19.22" = -2.672006° Distance = 236415.931 mi = 380474.560 km Angular Diameter = 31' 24.52" = 31.40870' = 1884.52" = 0.5234784° Eq. Horiz. Parallax = 57' 37.91" = 0.9605310° = 57.63186' = 3457.91" Local Hour Angle = -04h 15m 11.58s = -4.2532176 h = -63.7982640° ----------------------------- TOPOCENTRIC LUNAR COORDINATES Right Ascension = 12h 00m 03.109s = 12.0008637 h = 180.0129555° Declination = -03° 20' 11.77" = -3.336602° Radial Velocity = +232.36 km/h = +144.38 mi/h = Receding from Earth Orbital Velocity = 3725.23 km/h = 2314.75 mi/h AUGUST 2026 - Lunar Quarter Phases, Apogees and Perigees For Time Zone UT-04:00 Applied NASA Delta T = +00:01:15 Date and Time LT Lunar Event --------------------- ----------------------------------- 2026 Aug 05 Wed 22:21 Last Quarter Moon = Phase 270 2026 Aug 10 Mon 07:18 Perigee 225734.16 mi = 363283.91 km 2026 Aug 12 Wed 13:37 New Moon = Phase 0/360 2026 Aug 19 Wed 22:46 First Quarter Moon = Phase 90 2026 Aug 22 Sat 04:20 Apogee 251432.73 mi = 404641.76 km 2026 Aug 28 Fri 00:18 Full Moon = Phase 180
EXTENDED DE405 LUNAR EPHEMERIS STATISTICS AND HOURLY TABLES Time Mode = LT Time Zone = UT-04:00 ---------------------------------------------------------- CALENDAR DATE TIME JULIAN DATE JD NUMBER --------------- ----------- ---------------- ----------- 2026 Aug 15 Sat 11:12:10 LT 2461267.96678241 2461268 LT -04:00:00 TZ -0.16666667 2026 Aug 15 Sat 15:12:10 UT 2461268.13344908 2461268 UT +00:01:15 dT +0.00086806 2026 Aug 15 Sat 15:13:25 TT 2461268.13431714 2461268 TT JD TT = 2461268.13431714 = 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 12h 49m 35.76s = 12.8265996 h = 192.3989935 deg Local 07h 42m 18.24s = 7.7050655 h = 115.5759824 deg ================================================================= LUNAR POSITION, DISTANCE, PHASE AND LOCAL SUN/MOON RISE/SET TIMES Date = 2026 Aug 15 Sat Time = 11:12:10 LT Time Zone = UT-04:00 Delta T = +00:01:15 JD TT = 2461268.13431714 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 = 11h 57m 29.819s = 11.9582831 h = 179.3742465° Declination = -02° 40' 19.22" = -2.672006° Distance = 236415.931 mi = 380474.560 km Phase Angle = 37.67083° Visual Phase = Waxing crescent moon Angular Diameter = 31' 24.52" = 31.40870' = 1884.52" = 0.5234784° Eq. Horiz. Parallax = 57' 37.91" = 0.9605310° = 57.63186' = 3457.91" Radial Velocity = +232.36 km/h = +144.38 mi/h = Receding from Earth Orbital Velocity = 3725.23 km/h = 2314.75 mi/h TOPOCENTRIC LUNAR COORDINATES Right Ascension = 12h 00m 03.109s = 12.0008637 h = 180.0129555° Declination = -03° 20' 11.77" = -3.336602° Horizon Altitude = +16.096° ABOVE local horizon - Ascending in ESE Direction Azimuth = 110.393° = ESE (N=0, E=90, S=180, W=270) Local Hour Angle = -04h 15m 11.58s = -4.2532176 h = -63.7982640° Light Time = 1.2421 sec = 1-way surface-to-surface = 2.4842 sec = 2-way surface-to-surface -------- ------------------------------------------------ TIME LT LOCAL EVENTS SCHEDULE FOR DATE 06:15 Sunrise 09:33 Moonrise - Waxing crescent moon 20:08 Sunset 21:25 Moonset ----------------------------------------------------------------- HOURLY GEOCENTRIC LUNAR COORDINATES, DISTANCE AND PHASE EPHEMERIS DATE = 2026 Aug 15 Sat LT TZ = UT-04:00 = 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 = 2461267.66753473 TT LT hh RA Hrs Decl Deg Dist Km Dist Mi Phase Deg -- ---------- ---------- ---------- ---------- --------- -3 11.4861731 +1.106629 377227.485 234398.292 30.2348 -2 11.5196848 +0.838224 377451.683 234537.602 30.7629 -1 11.5531498 +0.570092 377676.683 234677.411 31.2903 00 11.5865695 +0.302253 377902.453 234817.698 31.8169 01 11.6199454 +0.034728 378128.960 234958.443 32.3430 02 11.6532788 -0.232461 378356.173 235099.626 32.8683 03 11.6865709 -0.499293 378584.058 235241.227 33.3930 04 11.7198234 -0.765749 378812.584 235383.227 33.9169 05 11.7530375 -1.031807 379041.717 235525.604 34.4402 06 11.7862146 -1.297447 379271.425 235668.338 34.9629 07 11.8193560 -1.562650 379501.676 235811.409 35.4848 08 11.8524632 -1.827395 379732.437 235954.797 36.0060 09 11.8855374 -2.091662 379963.674 236098.481 36.5266 10 11.9185801 -2.355433 380195.356 236242.442 37.0464 11 11.9515926 -2.618689 380427.450 236386.658 37.5656 12 11.9845760 -2.881408 380659.922 236531.110 38.0841 13 12.0175320 -3.143575 380892.742 236675.777 38.6020 14 12.0504618 -3.405168 381125.875 236820.639 39.1191 15 12.0833665 -3.666171 381359.288 236965.675 39.6356 16 12.1162478 -3.926564 381592.951 237110.867 40.1513 17 12.1491067 -4.186330 381826.829 237256.192 40.6664 18 12.1819445 -4.445449 382060.890 237401.631 41.1808 19 12.2147628 -4.703907 382295.103 237547.164 41.6946 20 12.2475626 -4.961683 382529.434 237692.770 42.2076 21 12.2803452 -5.218759 382763.851 237838.430 42.7200 22 12.3131120 -5.475121 382998.322 237984.124 43.2317 23 12.3458642 -5.730750 383232.815 238129.831 43.7428 24 12.3786030 -5.985628 383467.297 238275.532 44.2531 25 12.4113298 -6.239741 383701.737 238421.206 44.7628 26 12.4440457 -6.493070 383936.102 238566.833 45.2718 27 12.4767520 -6.745598 384170.361 238712.395 45.7801 28 12.5094499 -6.997311 384404.482 238857.871 46.2878 -------- ------------------------------------------------- TIME LT BASIC EVENTS SCHEDULE FOR DATE AND LOCATION 06:15 Sunrise 09:33 Moonrise - Waxing crescent moon 20:08 Sunset 21:25 Moonset ====================================================================== HOURLY GEOCENTRIC LUNAR DISTANCE, RADIAL VELOCITY AND ORBITAL VELOCITY TABLE INCLUDING ANY APOGEE OR PERIGEE EVENT ON DATE. DATE = 2026 Aug 15 Sat TIME = UT-04:00 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 377451.683 234537.602 +224.603 +139.562 3757.929 2335.069 -1 377676.683 234677.411 +225.389 +140.050 3755.512 2333.567 00 377902.453 234817.698 +226.143 +140.519 3753.064 2332.046 01 378128.960 234958.443 +226.863 +140.966 3750.612 2330.522 02 378356.173 235099.626 +227.554 +141.395 3748.159 2328.998 03 378584.058 235241.227 +228.209 +141.803 3745.696 2327.468 04 378812.584 235383.227 +228.833 +142.190 3743.218 2325.928 05 379041.717 235525.604 +229.425 +142.558 3740.739 2324.387 06 379271.425 235668.338 +229.984 +142.906 3738.254 2322.843 07 379501.676 235811.409 +230.509 +143.231 3735.756 2321.291 08 379732.437 235954.797 +231.004 +143.539 3733.265 2319.744 09 379963.674 236098.481 +231.464 +143.825 3730.760 2318.187 10 380195.356 236242.442 +231.891 +144.091 3728.241 2316.621 11 380427.450 236386.658 +232.288 +144.337 3725.735 2315.064 12 380659.922 236531.110 +232.650 +144.562 3723.221 2313.502 13 380892.742 236675.777 +232.980 +144.767 3720.697 2311.934 14 381125.875 236820.639 +233.277 +144.952 3718.173 2310.365 15 381359.288 236965.675 +233.543 +145.116 3715.648 2308.797 16 381592.951 237110.867 +233.774 +145.261 3713.103 2307.215 17 381826.829 237256.192 +233.974 +145.385 3710.585 2305.650 18 382060.890 237401.631 +234.141 +145.488 3708.047 2304.074 19 382295.103 237547.164 +234.275 +145.572 3705.505 2302.494 20 382529.434 237692.770 +234.379 +145.636 3702.969 2300.918 21 382763.851 237838.430 +234.448 +145.679 3700.441 2299.347 22 382998.322 237984.124 +234.486 +145.703 3697.895 2297.765 23 383232.815 238129.831 +234.491 +145.706 3695.365 2296.193 24 383467.297 238275.532 +234.465 +145.690 3692.831 2294.619 25 383701.737 238421.206 +234.406 +145.653 3690.281 2293.034 26 383936.102 238566.833 +234.317 +145.598 3687.761 2291.468 27 384170.361 238712.395 +234.194 +145.521 3685.220 2289.890 -------- -----------------------------------------------------------
DE405 Lunar Ephemeris Calculator - v2.94 - A PHP Astronomy Program by Jay Tanner Revised: 2021 June 21 at 06:54:17 AM Monday