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
2021-11-11 20:03:56 S 09 15 14.568 +27 18 01.30 V C57
2021-11-11 20:03:56 s 1 +79556.844 0 +356500.80 3690.0 C57
2021-11-11 20:13:56 S 09 15 14.455 +27 18 22.86 V C57
2021-11-11 20:13:56 s 1 +79226.745 0 +356716.18 8110.0 C57
2021-11-11 20:33:56 S 09 15 14.789 +27 19 15.20 V C57
2021-11-11 20:33:56 s 1 +78565.852 0 +357143.84 4730.0 C57
2021-11-11 20:43:56 S 09 15 15.499 +27 19 44.18 V C57
2021-11-11 20:43:56 s 1 +78235.060 0 +357356.12 6940.0 C57
2021-11-11 20:53:56 S 09 15 15.322 +27 20 09.64 V C57
2021-11-11 20:53:56 s 1 +77904.040 0 +357567.35 8430.0 C57
2021-11-11 21:03:56 S 09 15 16.003 +27 20 39.30 V C57
2021-11-11 21:03:56 s 1 +77572.791 0 +357777.56 9190.0 C57
2021-11-11 21:13:56 S 09 15 16.294 +27 20 59.42 V C57
2021-11-11 21:13:56 s 1 +77241.317 0 +357986.72 9240.0 C57
2021-11-11 21:23:56 S 09 15 16.061 +27 21 25.60 V C57
2021-11-11 21:23:56 s 1 +76909.617 0 +358194.86 8570.0 C57
2021-11-11 21:33:56 S 09 15 16.450 +27 21 56.99 V C57
2021-11-11 21:33:56 s 1 +76577.694 0 +358401.96 7200.0 C57
2021-11-11 21:43:56 S 09 15 16.606 +27 22 22.19 V C57
2021-11-11 21:43:56 s 1 +76245.548 0 +358608.02 5110.0 C57
2021-11-11 21:53:56 S 09 15 16.831 +27 22 45.66 V C57
2021-11-11 21:53:56 s 1 +75913.180 0 +358813.05 2330.0 C57
2021-11-11 22:03:56 S 09 15 17.050 +27 23 11.33 V C57
2021-11-11 22:03:56 s 1 +75580.592 0 +359017.05 8860.0 C57
2021-11-11 22:13:56 S 09 15 17.215 +27 23 37.75 V C57
2021-11-11 22:13:56 s 1 +75247.785 0 +359220.02 4690.0 C57
2021-11-11 22:23:56 S 09 15 17.544 +27 23 59.21 V C57
2021-11-11 22:23:56 s 1 +74914.759 0 +359421.95 9830.0 C57
2021-11-11 22:33:56 S 09 15 17.782 +27 24 30.67 V C57
2021-11-11 22:33:56 s 1 +74581.518 0 +359622.86 4290.0 C57
2021-11-11 22:53:56 S 09 15 18.086 +27 25 24.49 V C57
2021-11-11 22:53:56 s 1 +73914.388 0 +360021.57 1180.0 C57
2021-11-11 23:03:56 S 09 15 17.942 +27 25 44.00 V C57
2021-11-11 23:03:56 s 1 +73580.502 0 +360219.38 3620.0 C57
2021-11-11 23:13:56 S 09 15 18.602 +27 26 15.11 V C57
2021-11-11 23:13:56 s 1 +73246.405 0 +360416.16 5390.0 C57
2021-11-11 23:23:56 S 09 15 18.622 +27 26 41.86 V C57
2021-11-11 23:23:56 s 1 +72912.096 0 +360611.91 6500.0 C57
2021-11-11 23:43:56 S 09 15 19.212 +27 27 33.88 V C57
2021-11-11 23:43:56 s 1 +72242.851 0 +361000.33 6750.0 C57
2021-11-12 00:03:56 S 09 15 19.630 +27 28 20.86 V C57
2021-11-12 00:03:56 s 1 +71572.776 0 +361384.63 4400.0 C57
2021-11-12 00:13:56 S 09 15 19.543 +27 28 44.29 V C57
2021-11-12 00:13:56 s 1 +71237.430 0 +361575.24 2270.0 C57
2021-11-12 00:23:56 S 09 15 19.654 +27 29 19.39 V C57
2021-11-12 00:23:56 s 1 +70901.880 0 +361764.82 9500.0 C57
2021-11-12 00:43:56 S 09 15 20.376 +27 30 05.83 V C57
2021-11-12 00:43:56 s 1 +70230.172 0 +362140.91 2060.0 C57
2021-11-12 01:03:56 S 09 15 20.834 +27 31 02.10 V C57
2021-11-12 01:03:56 s 1 +69557.662 0 +362512.89 2130.0 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)