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
2022-01-02 23:53:55 s 1 +154909.37 3 +272150.33 4930.0 C57
2022-01-03 00:03:55 S 07 12 31.555 +67 27 17.86 V C57
2022-01-03 00:03:55 s 1 +154686.14 8 +272655.45 720.0 C57
2022-01-03 00:13:55 S 07 12 29.784 +67 27 21.85 V C57
2022-01-03 00:13:55 s 1 +154462.23 0 +273159.37 3840.0 C57
2022-01-03 00:23:55 S 07 12 27.686 +67 27 25.49 V C57
2022-01-03 00:23:55 s 1 +154237.62 2 +273662.09 4300.0 C57
2022-01-03 00:33:55 S 07 12 25.042 +67 27 29.30 V C57
2022-01-03 00:33:55 s 1 +154012.32 6 +274163.62 2120.0 C57
2022-01-03 00:43:55 S 07 12 23.290 +67 27 34.13 V C57
2022-01-03 00:43:55 s 1 +153786.34 6 +274663.95 7310.0 C57
2022-01-03 01:03:55 S 07 12 18.305 +67 27 38.88 V C57
2022-01-03 01:03:55 s 1 +153332.34 4 +275661.05 9830.0 C57
2022-01-03 01:13:55 S 07 12 15.876 +67 27 48.96 V C57
2022-01-03 01:13:55 s 1 +153104.32 8 +276157.81 7190.0 C57
2022-01-03 01:43:55 S 07 12 08.940 +67 27 58.14 V C57
2022-01-03 01:43:55 s 1 +152416.25 2 +277640.97 3810.0 C57
2022-01-03 02:03:55 S 07 12 05.138 +67 28 14.41 V C57
2022-01-03 02:03:55 s 1 +151954.20 7 +278623.82 5460.0 C57
2022-01-03 02:13:55 S 07 12 02.861 +67 28 17.76 V C57
2022-01-03 02:13:55 s 1 +151722.19 5 +279113.47 7480.0 C57
2022-01-03 02:33:55 S 07 11 57.823 +67 28 22.40 V C57
2022-01-03 02:33:55 s 1 +151256.20 3 +280089.22 4000.0 C57
2022-01-03 02:43:55 S 07 11 56.230 +67 28 32.45 V C57
2022-01-03 02:43:55 s 1 +151022.23 0 +280575.33 8520.0 C57
2022-01-03 02:53:55 S 07 11 53.534 +67 28 38.14 V C57
2022-01-03 02:53:55 s 1 +150787.60 8 +281060.26 560.0 C57
2022-01-03 03:13:55 S 07 11 49.200 +67 28 42.31 V C57
2022-01-03 03:13:55 s 1 +150316.43 0 +282026.59 7240.0 C57
2022-01-03 03:23:55 S 07 11 46.687 +67 28 49.84 V C57
2022-01-03 03:23:55 s 1 +150079.88 0 +282508.00 1900.0 C57
2022-01-03 03:33:55 S 07 11 43.958 +67 28 54.08 V C57
2022-01-03 03:33:55 s 1 +149842.69 2 +282988.23 4130.0 C57
2022-01-03 03:43:55 S 07 11 42.331 +67 28 55.52 V C57
2022-01-03 03:43:55 s 1 +149604.87 0 +283467.29 3940.0 C57
2022-01-03 03:53:55 S 07 11 39.677 +67 29 00.02 V C57
2022-01-03 03:53:55 s 1 +149366.41 5 +283945.18 1330.0 C57
2022-01-03 04:03:55 S 07 11 38.066 +67 29 01.54 V C57
2022-01-03 04:03:55 s 1 +149127.33 0 +284421.89 6320.0 C57
2022-01-03 04:33:55 S 07 11 31.248 +67 29 20.36 V C57
2022-01-03 04:33:55 s 1 +148406.32 4 +285845.04 6980.0 C57
2022-01-03 04:43:55 S 07 11 28.862 +67 29 22.88 V C57
2022-01-03 04:43:55 s 1 +148164.74 7 +286317.09 2480.0 C57
2022-01-03 04:52:24 C 07 10 09.53 +67 21 56.3 V 703
2022-01-03 04:53:55 S 07 11 26.750 +67 29 27.64 V C57
2022-01-03 04:53:55 s 1 +147922.55 4 +286787.98 5620.0 C57
2022-01-03 05:00:15 C 07 10 07.77 +67 21 59.6 V 703
2022-01-03 05:03:55 S 07 11 23.590 +67 29 31.56 V C57
2022-01-03 05:03:55 s 1 +147679.74 5 +287257.70 6430.0 C57
2022-01-03 05:08:07 C 07 10 05.91 +67 22 02.5 V 703
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)