163696 (2003 EB50)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5189164089 ± 5.62e-09
Semi-major axis (a)1.5710103633 AU ± 8.42e-10
Inclination (i)29.50238450° ± 1.44e-06
Long. of Asc. Node (Ω)65.60551846° ± 5.61e-07
Arg. of Perihelion (ω)278.95596979° ± 8.51e-07
Mean Anomaly (M)49.35443266° ± 1.24e-06
Mean Motion (n)0.5005456613°/day ± 4.02e-10
Perihelion dist (q)0.75578731 AU ± 8.85e-09
Aphelion dist (Q)2.38623342 AU ± 8.93e-09
Orbital Period1.96910364 yr ± 1.58e-09
Physical Parameters
H (abs. magnitude)16.53
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.454″
Uncertainty0
Orbit TypeApollo
MOID0.052853 AU
Observations Used5959
Radar Obs Used14
Gaia Obs Used95
Oppositions7
Arc Total2003-2017
First Observation Used2003-03-10
Last Observation Used2026-01-01
Observations (8774)
Date Type RA Dec Mag Band Observatory
2021-10-27 17:33:57 S 09 03 23.542 +11 59 22.20 V C57
2021-10-27 17:33:57 s 1 +170311.86 0 +217023.23 4740.0 C57
2021-10-27 17:43:57 S 09 03 24.077 +11 59 46.57 V C57
2021-10-27 17:43:57 s 1 +170158.79 7 +217637.89 4820.0 C57
2021-10-27 17:53:57 S 09 03 24.458 +12 00 13.32 V C57
2021-10-27 17:53:57 s 1 +170004.64 5 +218251.15 1270.0 C57
2021-10-27 18:03:57 S 09 03 24.790 +12 00 36.18 V C57
2021-10-27 18:03:57 s 1 +169849.41 1 +218863.01 4110.0 C57
2021-10-27 18:13:57 S 09 03 25.226 +12 01 00.37 V C57
2021-10-27 18:13:57 s 1 +169693.09 9 +219473.48 3360.0 C57
2021-10-27 18:23:57 S 09 03 25.709 +12 01 27.05 V C57
2021-10-27 18:23:57 s 1 +169535.71 4 +220082.56 9040.0 C57
2021-10-27 18:33:57 S 09 03 26.009 +12 01 49.69 V C57
2021-10-27 18:33:57 s 1 +169377.26 2 +220690.24 1150.0 C57
2021-10-27 18:43:57 S 09 03 26.532 +12 02 15.90 V C57
2021-10-27 18:43:57 s 1 +169217.74 8 +221296.53 9730.0 C57
2021-10-27 18:53:57 S 09 03 27.096 +12 02 41.53 V C57
2021-10-27 18:53:57 s 1 +169057.17 6 +221901.43 4790.0 C57
2021-10-27 19:03:57 S 09 03 27.485 +12 03 07.06 V C57
2021-10-27 19:03:57 s 1 +168895.55 3 +222504.95 6340.0 C57
2021-10-27 19:13:57 S 09 03 28.061 +12 03 32.65 V C57
2021-10-27 19:13:57 s 1 +168732.88 2 +223107.08 4400.0 C57
2021-10-27 19:23:57 S 09 03 28.406 +12 03 54.32 V C57
2021-10-27 19:23:57 s 1 +168569.16 9 +223707.82 8990.0 C57
2021-10-27 19:33:57 S 09 03 28.759 +12 04 22.08 V C57
2021-10-27 19:33:57 s 1 +168404.42 0 +224307.18 120.0 C57
2021-10-27 19:43:57 S 09 03 29.311 +12 04 46.20 V C57
2021-10-27 19:43:57 s 1 +168238.63 8 +224905.16 7820.0 C57
2021-10-27 19:53:57 S 09 03 29.498 +12 05 14.03 V C57
2021-10-27 19:53:57 s 1 +168071.82 9 +225501.76 2100.0 C57
2021-10-27 20:03:57 S 09 03 30.319 +12 05 35.30 V C57
2021-10-27 20:03:57 s 1 +167903.99 8 +226096.98 2980.0 C57
2021-10-27 20:13:57 S 09 03 30.758 +12 06 02.56 V C57
2021-10-27 20:13:57 s 1 +167735.14 9 +226690.82 460.0 C57
2021-10-27 20:23:57 S 09 03 31.126 +12 06 26.21 V C57
2021-10-27 20:23:57 s 1 +167565.28 8 +227283.29 4580.0 C57
2021-10-27 20:33:57 S 09 03 31.512 +12 06 49.18 V C57
2021-10-27 20:33:57 s 1 +167394.41 9 +227874.38 5340.0 C57
2021-10-27 20:43:57 S 09 03 31.975 +12 07 13.76 V C57
2021-10-27 20:43:57 s 1 +167222.54 7 +228464.10 2760.0 C57
2021-10-27 20:53:57 S 09 03 32.362 +12 07 39.04 V C57
2021-10-27 20:53:57 s 1 +167049.67 7 +229052.45 6860.0 C57
2021-10-27 21:03:57 S 09 03 32.938 +12 08 04.52 V C57
2021-10-27 21:03:57 s 1 +166875.81 3 +229639.43 7660.0 C57
2021-10-27 21:13:57 S 09 03 33.293 +12 08 31.38 V C57
2021-10-27 21:13:57 s 1 +166700.96 0 +230225.04 5160.0 C57
2021-10-27 21:23:57 S 09 03 33.631 +12 08 57.98 V C57
2021-10-27 21:23:57 s 1 +166525.12 3 +230809.29 9390.0 C57
2021-10-27 21:33:57 S 09 03 33.953 +12 09 23.58 V C57
2021-10-27 21:33:57 s 1 +166348.30 7 +231392.16 360.0 C57
Radar Observations (14)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2015-11-29 04:30:00 29690.493 1 Hz 8560 -14 -14
2015-12-03 05:00:00 -516645.45 1 Hz 8560 -14 -14
2015-12-03 05:50:00 135344787.04 10 us 8560 -14 -14
2015-12-03 06:50:00 135567345.78 3 us 8560 -14 -14
2015-12-04 23:45:00 -192751.0704 0.1 Hz 2380 -1 -1
2015-12-05 00:08:00 146143531.01 4 us 2380 -1 -1
2015-12-05 23:18:00 -215805.2279 0.1 Hz 2380 -1 -1
2015-12-05 23:50:00 153531055.91 0.5 us 2380 -1 -1
2015-12-08 01:00:00 171291146.51 1 us 2380 -1 -1
2015-12-09 01:00:00 180935553.24 1 us 2380 -1 -1
2017-11-16 10:20:00 551171.3 0.2 Hz 8560 -14 -14
2017-11-17 09:40:00 463067.169 0.2 Hz 8560 -14 -14
2017-11-17 10:40:00 102430712.59 10 us 8560 -14 -14
2017-11-17 11:00:00 102367215.7 3 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)