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
2024-01-08 13:45:19 C 08 17 47.926 +66 56 29.15 V T08
2024-01-08 17:35:04 S 08 18 28.570 +67 00 55.48 V C57
2024-01-08 17:35:04 s 1 +229739.92 9 +187959.42 0.551 C57
2024-01-08 18:15:04 S 08 18 20.681 +67 01 23.16 V C57
2024-01-08 18:15:04 s 1 +229394.79 8 +189716.80 0.335 C57
2024-01-09 05:15:04 S 08 16 15.230 +67 07 54.19 V C57
2024-01-09 05:15:04 s 1 +221716.15 0 +217000.44 0.427 C57
2024-01-09 06:15:04 S 08 16 04.675 +67 08 19.57 V C57
2024-01-09 06:15:04 s 1 +220837.25 6 +219314.36 0.78 C57
2024-01-09 06:55:04 S 08 15 56.186 +67 08 48.95 V C57
2024-01-09 06:55:04 s 1 +220235.00 7 +220841.00 0.572 C57
2024-01-09 07:15:04 S 08 15 53.354 +67 08 59.42 V C57
2024-01-09 07:15:04 s 1 +219928.99 9 +221599.50 0.96 C57
2024-01-09 11:35:04 S 08 15 02.717 +67 11 23.68 V C57
2024-01-09 11:35:04 s 1 +215658.09 4 +231163.18 0.372 C57
2024-01-09 12:15:04 S 08 14 54.300 +67 11 50.93 V C57
2024-01-09 12:15:04 s 1 +214953.24 9 +232584.87 0.286 C57
2024-01-09 14:55:04 S 08 14 24.170 +67 13 20.39 V C57
2024-01-09 14:55:04 s 1 +212008.40 1 +238136.52 0.763 C57
2024-01-09 15:15:04 S 08 14 20.114 +67 13 31.76 V C57
2024-01-09 15:15:04 s 1 +211626.27 2 +238815.12 0.988 C57
2024-01-09 16:15:04 S 08 14 08.988 +67 14 02.83 V C57
2024-01-09 16:15:04 s 1 +210461.34 6 +240830.24 0.119 C57
2024-01-09 17:15:04 S 08 13 56.599 +67 14 33.11 V C57
2024-01-09 17:15:04 s 1 +209268.72 2 +242814.15 0.614 C57
2024-01-09 17:35:04 S 08 13 51.893 +67 14 50.06 V C57
2024-01-09 17:35:04 s 1 +208865.06 2 +243468.48 0.685 C57
2024-01-09 17:55:04 S 08 13 49.102 +67 14 57.12 V C57
2024-01-09 17:55:04 s 1 +208458.33 5 +244119.29 0.049 C57
2024-01-10 00:08:24 S 08 12 36.235 +67 18 16.56 V C57
2024-01-10 00:08:24 s 1 +200313.09 6 +255612.73 0.398 C57
2024-01-10 00:48:24 S 08 12 28.406 +67 18 37.15 V C57
2024-01-10 00:48:24 s 1 +199378.99 7 +256769.03 0.477 C57
2024-01-10 01:08:24 S 08 12 23.438 +67 18 49.32 V C57
2024-01-10 01:08:24 s 1 +198907.51 9 +257341.58 2420.0 C57
2024-01-10 01:28:24 S 08 12 18.581 +67 18 53.28 V C57
2024-01-10 01:28:24 s 1 +198433.14 9 +257910.46 5300.0 C57
2024-01-10 02:08:24 S 08 12 12.134 +67 19 19.16 V C57
2024-01-10 02:08:24 s 1 +197475.64 1 +259036.98 6520.0 C57
2024-01-10 02:28:24 S 08 12 08.414 +67 19 32.05 V C57
2024-01-10 02:28:24 s 1 +196992.53 8 +259594.65 5170.0 C57
2024-01-10 03:08:24 S 08 11 59.981 +67 19 54.01 V C57
2024-01-10 03:08:24 s 1 +196017.61 5 +260698.67 8760.0 C57
2024-01-10 06:08:24 S 08 11 23.851 +67 21 26.57 V C57
2024-01-10 06:08:24 s 1 +191488.18 8 +265478.81 9090.0 C57
2024-01-10 13:48:24 S 08 09 52.342 +67 25 19.99 V C57
2024-01-10 13:48:24 s 1 +178878.67 9 +276255.77 9170.0 C57
2024-01-10 14:08:24 S 08 09 49.313 +67 25 29.78 V C57
2024-01-10 14:08:24 s 1 +178297.43 9 +276676.04 3220.0 C57
2024-01-10 14:28:24 S 08 09 45.857 +67 25 33.17 V 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)