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
2025-12-11 12:48:20 C 10 08 58.572 +50 09 21.89 V T08
2025-12-11 12:58:31 C 10 08 58.507 +50 09 37.40 V T08
2025-12-11 13:05:46 C 10 08 58.418 +50 09 47.95 V T08
2025-12-12 12:55:11 C 10 08 51.408 +50 45 04.20 X F51
2025-12-12 13:15:29 C 10 08 51.191 +50 45 34.60 X F51
2025-12-12 14:20:13 C 10 08 50.470 +50 47 11.16 X F51
2025-12-13 12:45:59 C 10 08 38.976 +51 20 20.69 V T05
2025-12-13 12:48:36 C 10 08 38.952 +51 20 24.43 V T05
2025-12-13 13:10:28 C 10 08 38.611 +51 20 56.94 V T05
2025-12-13 13:33:35 C 10 08 38.299 +51 21 31.54 V T05
2025-12-13 19:39:33 C 10 08 34.300 +51 30 28.44 W O18
2025-12-13 20:57:45 C 10 08 33.126 +51 32 25.02 W O18
2025-12-14 12:19:57 C 10 08 20.468 +51 55 07.36 V G96
2025-12-14 12:28:35 C 10 08 20.306 +51 55 20.10 V G96
2025-12-14 12:37:10 C 10 08 20.148 +51 55 32.74 V G96
2025-12-14 12:41:00 C 10 08 20.875 +51 55 39.18 V T08
2025-12-14 12:43:38 C 10 08 20.767 +51 55 43.28 V T08
2025-12-14 12:45:44 C 10 08 19.993 +51 55 45.26 V G96
2025-12-14 12:52:45 C 10 08 20.664 +51 55 56.89 V T08
2025-12-14 13:05:13 C 10 08 20.362 +51 56 15.25 V T08
2025-12-15 19:04:59 C 10 07 49.469 +52 40 19.12 W O18
2025-12-15 20:00:30 C 10 07 48.198 +52 41 41.87 W O18
2025-12-16 09:23:39 C 10 07 31.256 +53 01 19.85 V 703
2025-12-16 09:26:59 C 10 07 31.235 +53 01 26.33 V 703
2025-12-16 09:30:19 C 10 07 31.084 +53 01 29.42 V 703
2025-12-16 09:33:40 C 10 07 31.069 +53 01 34.64 V 703
2025-12-18 08:32:32 C 10 06 15.714 +54 10 00.16 V 703
2025-12-18 08:35:52 C 10 06 15.599 +54 10 05.16 V 703
2025-12-18 08:39:12 C 10 06 15.563 +54 10 08.76 V 703
2025-12-18 08:42:33 C 10 06 15.419 +54 10 14.56 V 703
2025-12-19 21:13:39 C 10 04 58.888 +55 02 50.89 W O18
2025-12-19 21:14:26 C 10 04 58.882 +55 02 52.08 W O18
2025-12-20 07:43:13 C 10 04 34.864 +55 17 48.34 V G96
2025-12-20 07:50:43 C 10 04 34.532 +55 17 59.14 V G96
2025-12-20 07:58:13 C 10 04 34.216 +55 18 10.01 V G96
2025-12-20 08:05:44 C 10 04 33.892 +55 18 20.88 V G96
2025-12-20 08:31:36 C 10 04 32.750 +55 18 58.75 V 703
2025-12-20 08:34:56 C 10 04 32.502 +55 19 03.61 V 703
2025-12-20 08:38:17 C 10 04 32.426 +55 19 08.22 V 703
2025-12-20 08:41:37 C 10 04 32.272 +55 19 13.44 V 703
2025-12-22 08:30:08 C 10 02 22.027 +56 26 42.14 V 703
2025-12-22 08:33:28 C 10 02 21.872 +56 26 46.39 V 703
2025-12-22 08:36:49 C 10 02 21.689 +56 26 51.07 V 703
2025-12-22 08:40:09 C 10 02 21.523 +56 26 56.22 V 703
2025-12-25 12:46:59 C 09 57 53.460 +58 11 04.02 V T05
2025-12-25 13:19:54 C 09 57 51.053 +58 11 48.12 V T05
2025-12-25 13:23:10 C 09 57 50.858 +58 11 52.76 V T05
2025-12-25 13:43:31 C 09 57 49.363 +58 12 20.12 V T05
2025-12-26 12:10:44 C 09 56 15.758 +58 42 03.31 V T08
2025-12-26 12:16:03 C 09 56 15.432 +58 42 11.16 V T08
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)