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
2021-11-14 11:55:46 C 09 15 19.16 +29 58 11.5 U I41
2021-11-15 09:35:57 C 09 15 39.38 +30 54 17.6 V 703
2021-11-15 09:44:14 C 09 15 39.45 +30 54 39.2 V 703
2021-11-15 09:52:30 C 09 15 39.56 +30 55 00.7 V 703
2021-11-15 10:00:47 C 09 15 39.57 +30 55 23.0 V 703
2021-11-16 09:25:38 C 09 15 57.86 +31 56 04.0 V 703
2021-11-16 09:33:21 C 09 15 57.89 +31 56 24.4 V 703
2021-11-16 09:48:49 C 09 15 58.00 +31 57 05.0 V 703
2021-11-16 14:44:03 C 09 16 00.91 +32 09 56.4 V T08
2021-11-16 14:55:02 C 09 16 01.00 +32 10 25.3 V T08
2021-11-16 15:18:37 C 09 16 01.13 +32 11 26.8 V T08
2021-11-16 15:38:16 C 09 16 01.20 +32 12 17.8 V T08
2021-11-18 12:37:25 C 09 16 25.02 +34 08 56.0 V T05
2021-11-18 12:44:43 C 09 16 25.03 +34 09 15.4 V T05
2021-11-18 12:52:38 C 09 16 25.04 +34 09 36.0 V T05
2021-11-18 13:03:15 C 09 16 25.03 +34 10 03.8 V T05
2021-11-18 15:22:14 C 09 16 25.097 +34 16 06.87 U F51
2021-11-18 15:35:07 C 09 16 25.088 +34 16 40.32 U F51
2021-11-18 15:44:10 C 09 16 25.086 +34 17 03.66 U F51
2021-11-18 15:53:15 C 09 16 25.083 +34 17 27.25 U F51
2021-11-18 19:20:38 C 09 16 26.84 +34 26 19.8 V D29
2021-11-18 19:30:20 C 09 16 26.85 +34 26 45.1 V D29
2021-11-18 19:40:01 C 09 16 26.85 +34 27 10.4 V D29
2021-11-19 14:22:42 C 09 16 31.120 +35 15 46.50 U F51
2021-11-19 14:48:45 C 09 16 31.045 +35 16 52.92 U F51
2021-11-19 15:06:47 C 09 16 30.976 +35 17 40.60 U F51
2021-11-19 15:22:34 C 09 16 30.923 +35 18 21.13 U F51
2021-11-20 14:43:19 C 09 16 32.58 +36 18 48.4 V T08
2021-11-20 14:48:43 C 09 16 32.58 +36 19 02.8 V T08
2021-11-20 15:24:20 C 09 16 32.28 +36 20 35.2 V T08
2021-11-21 13:29:19 C 09 16 30.19 +37 17 39.3 V T05
2021-11-21 13:32:41 C 09 16 30.15 +37 17 48.2 V T05
2021-11-21 13:36:43 C 09 16 30.16 +37 17 57.7 V T05
2021-11-21 13:48:55 C 09 16 30.015 +37 18 30.41 U F52
2021-11-21 14:03:49 C 09 16 29.882 +37 19 09.10 U F52
2021-11-21 14:12:55 C 09 16 29.86 +37 19 33.1 V T05
2021-11-21 14:18:44 C 09 16 29.737 +37 19 47.91 U F52
2021-11-21 14:33:47 C 09 16 29.593 +37 20 27.03 U F52
2021-11-22 09:33:08 C 09 16 23.75 +38 09 20.7 V W09
2021-11-22 09:53:31 C 09 16 23.53 +38 10 13.4 V W09
2021-11-22 10:13:53 C 09 16 23.30 +38 11 06.2 V W09
2021-11-22 13:23:19 C 09 16 22.54 +38 19 19.3 V T05
2021-11-22 13:37:50 C 09 16 22.36 +38 19 57.1 V T05
2021-11-22 14:00:32 C 09 16 22.06 +38 20 56.1 V T05
2021-11-22 14:07:10 C 09 16 21.97 +38 21 13.4 V T05
2021-11-23 03:17:57 C 09 16 15.25 +38 55 00.2 V K87
2021-11-23 03:23:13 C 09 16 15.20 +38 55 13.7 V K87
2021-11-23 03:28:30 C 09 16 15.10 +38 55 27.7 V K87
2021-11-23 06:28:15 C 09 16 14.22 +39 03 07.8 V W09
2021-11-23 06:49:46 C 09 16 13.96 +39 04 04.1 V W09
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)