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 02:33:55 s 1 +176510.74 6 +197151.75 7160.0 C57
2022-01-02 04:23:55 S 07 16 54.833 +67 17 17.02 V C57
2022-01-02 04:23:55 s 1 +175302.15 0 +204437.49 7020.0 C57
2022-01-02 12:13:55 S 07 15 11.189 +67 21 23.33 V C57
2022-01-02 12:13:55 s 1 +168621.51 4 +233743.08 450.0 C57
2022-01-02 13:03:55 S 07 15 00.113 +67 21 52.99 V C57
2022-01-02 13:03:55 s 1 +167779.73 0 +236690.51 30.0 C57
2022-01-02 13:23:55 S 07 14 55.231 +67 22 00.44 V C57
2022-01-02 13:23:55 s 1 +167436.52 6 +237860.50 4260.0 C57
2022-01-02 13:33:55 S 07 14 53.611 +67 22 07.61 V C57
2022-01-02 13:33:55 s 1 +167263.54 9 +238443.57 5960.0 C57
2022-01-02 14:03:55 S 07 14 46.603 +67 22 21.04 V C57
2022-01-02 14:03:55 s 1 +166739.17 2 +240185.13 9620.0 C57
2022-01-02 14:33:55 S 07 14 40.068 +67 22 42.67 V C57
2022-01-02 14:33:55 s 1 +166206.70 8 +241915.21 1450.0 C57
2022-01-02 14:53:55 S 07 14 35.962 +67 22 50.45 V C57
2022-01-02 14:53:55 s 1 +165847.29 1 +243062.25 1890.0 C57
2022-01-02 15:03:55 S 07 14 33.569 +67 22 51.46 V C57
2022-01-02 15:03:55 s 1 +165666.26 3 +243633.86 1920.0 C57
2022-01-02 15:23:55 S 07 14 29.438 +67 23 07.98 V C57
2022-01-02 15:23:55 s 1 +165301.58 6 +244773.29 1690.0 C57
2022-01-02 15:33:55 S 07 14 26.676 +67 23 11.36 V C57
2022-01-02 15:33:55 s 1 +165117.94 5 +245341.12 1460.0 C57
2022-01-02 15:43:55 S 07 14 24.802 +67 23 13.63 V C57
2022-01-02 15:43:55 s 1 +164933.44 0 +245907.67 7840.0 C57
2022-01-02 15:53:55 S 07 14 22.776 +67 23 24.25 V C57
2022-01-02 15:53:55 s 1 +164748.07 5 +246472.97 860.0 C57
2022-01-02 16:03:55 S 07 14 20.453 +67 23 26.38 V C57
2022-01-02 16:03:55 s 1 +164561.85 5 +247037.01 520.0 C57
2022-01-02 16:33:55 S 07 14 13.673 +67 23 40.88 V C57
2022-01-02 16:33:55 s 1 +163998.09 8 +248721.58 9520.0 C57
2022-01-02 16:43:55 S 07 14 11.530 +67 23 46.14 V C57
2022-01-02 16:43:55 s 1 +163808.49 2 +249280.60 5920.0 C57
2022-01-02 16:53:55 S 07 14 09.504 +67 23 48.95 V C57
2022-01-02 16:53:55 s 1 +163618.04 9 +249838.36 9040.0 C57
2022-01-02 17:03:55 S 07 14 06.312 +67 23 52.37 V C57
2022-01-02 17:03:55 s 1 +163426.77 2 +250394.87 8900.0 C57
2022-01-02 17:13:55 S 07 14 04.308 +67 24 00.25 V C57
2022-01-02 17:13:55 s 1 +163234.66 6 +250950.13 5510.0 C57
2022-01-02 17:23:55 S 07 14 02.383 +67 24 05.62 V C57
2022-01-02 17:23:55 s 1 +163041.73 3 +251504.14 8890.0 C57
2022-01-02 17:43:55 S 07 13 57.425 +67 24 10.80 V C57
2022-01-02 17:43:55 s 1 +162653.40 3 +252608.42 6030.0 C57
2022-01-02 17:53:55 S 07 13 55.027 +67 24 19.37 V C57
2022-01-02 17:53:55 s 1 +162458.01 3 +253158.69 9810.0 C57
2022-01-02 18:03:55 S 07 13 52.802 +67 24 21.67 V C57
2022-01-02 18:03:55 s 1 +162261.81 0 +253707.72 420.0 C57
2022-01-02 18:13:55 S 07 13 50.746 +67 24 32.33 V C57
2022-01-02 18:13:55 s 1 +162064.80 0 +254255.51 7880.0 C57
2022-01-02 18:23:55 S 07 13 48.634 +67 24 32.00 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)