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
2013-05-01 23:24:19 C 13 50 04.66 +27 25 08.8 q C73
2013-05-01 23:24:55 C 13 50 04.61 +27 25 08.8 q C73
2013-05-01 23:25:29 C 13 50 04.54 +27 25 08.5 q C73
2013-05-01 23:26:04 C 13 50 04.46 +27 25 08.5 q C73
2013-05-01 23:26:39 C 13 50 04.40 +27 25 08.2 q C73
2013-05-04 05:23:18 C 13 44 59.02 +27 12 34.3 u 703
2013-05-04 05:31:28 C 13 44 58.27 +27 12 32.1 u 703
2013-05-04 05:39:27 C 13 44 57.44 +27 12 30.6 u 703
2013-05-04 05:47:36 C 13 44 56.68 +27 12 27.9 u 703
2013-05-05 05:04:26 C 13 42 45.64 +27 05 53.3 t W71
2013-05-05 05:13:51 C 13 42 44.65 +27 05 49.4 t W71
2013-05-05 05:54:42 C 13 42 40.86 +27 05 37.4 t W71
2013-05-05 05:59:38 C 13 42 40.37 +27 05 35.6 t W71
2013-05-06 04:46:38 C 13 40 33.41 +26 58 31.3 t W71
2013-05-06 04:55:45 C 13 40 32.56 +26 58 28.2 t W71
2013-05-06 05:12:17 C 13 40 31.02 +26 58 23.1 t W71
2013-05-14 06:04:57 C 13 23 29.94 +25 34 15.0 q 448
2013-05-14 06:11:46 C 13 23 29.35 +25 34 11.4 q 448
2013-05-14 06:18:22 C 13 23 28.82 +25 34 07.9 q 448
2013-05-14 06:23:43 C 13 23 28.32 +25 34 05.6 q 448
2013-05-14 06:30:12 C 13 23 27.77 +25 34 01.9 q 448
2013-06-04 04:48:50 C 12 51 57.56 +19 14 51.0 u 703
2013-06-04 05:00:12 C 12 51 56.98 +19 14 39.9 u 703
2013-06-04 05:11:35 C 12 51 56.52 +19 14 29.8 u 703
2013-06-04 05:22:55 C 12 51 56.05 +19 14 19.4 u 703
2013-08-24 22:14:47 C 13 33 13.72 -17 24 09.2 r Y00
2013-08-24 22:18:51 C 13 33 14.02 -17 24 14.8 r Y00
2013-08-24 22:22:53 C 13 33 14.25 -17 24 20.2 r Y00
2013-09-01 21:43:51 C 13 46 29.05 -21 37 18.0 r Y00
2013-09-01 21:48:20 C 13 46 29.43 -21 37 23.7 r Y00
2013-09-01 21:52:50 C 13 46 29.75 -21 37 29.9 r Y00
2013-12-09 01:06:00 C 23 06 51.83 -18 40 49.4 q 448
2013-12-09 01:11:49 C 23 06 53.46 -18 40 13.6 q 448
2013-12-09 01:16:11 C 23 06 54.70 -18 39 46.2 q 448
2013-12-09 01:20:51 C 23 06 56.02 -18 39 17.2 q 448
2013-12-09 01:28:01 C 23 06 58.00 -18 38 32.4 q 448
2013-12-12 00:59:45 C 23 26 29.20 -11 19 29.8 u H21
2013-12-12 01:03:30 C 23 26 30.15 -11 19 07.1 u H21
2013-12-12 01:06:58 C 23 26 31.02 -11 18 46.2 u H21
2013-12-12 01:10:13 C 23 26 31.84 -11 18 26.6 u H21
2013-12-12 01:13:54 C 23 26 32.76 -11 18 04.6 u H21
2013-12-13 01:48:18 C 23 32 46.67 -08 51 43.4 u H21
2013-12-13 01:52:00 C 23 32 47.53 -08 51 21.2 u H21
2013-12-13 01:55:49 C 23 32 48.48 -08 50 58.9 u H21
2013-12-13 01:59:38 C 23 32 49.41 -08 50 36.4 u H21
2013-12-15 12:54:24 S 23 46 54.209 -03 14 21.37 L C51
2013-12-15 14:29:12 S 23 47 15.912 -03 05 40.34 L C51
2013-12-15 16:04:11 S 23 47 37.596 -02 57 00.07 L C51
2013-12-15 17:39:11 S 23 47 59.220 -02 48 20.95 L C51
2013-12-15 19:13:58 S 23 48 20.770 -02 39 43.60 L C51
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)