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
2021-11-12 05:23:56 S 09 15 25.750 +27 42 15.19 V C57
2021-11-12 05:23:56 s 1 +60746.095 0 +366976.66 1100.0 C57
2021-11-12 05:33:56 S 09 15 25.963 +27 42 40.36 V C57
2021-11-12 05:33:56 s 1 +60404.776 0 +367134.59 660.0 C57
2021-11-12 05:43:56 S 09 15 26.177 +27 43 07.86 V C57
2021-11-12 05:43:56 s 1 +60063.288 0 +367291.51 9710.0 C57
2021-11-12 05:53:56 S 09 15 26.318 +27 43 35.69 V C57
2021-11-12 05:53:56 s 1 +59721.634 0 +367447.41 8260.0 C57
2021-11-12 06:03:56 S 09 15 26.527 +27 43 59.48 V C57
2021-11-12 06:03:56 s 1 +59379.812 0 +367602.30 6310.0 C57
2021-11-12 06:13:56 S 09 15 26.798 +27 44 24.11 V C57
2021-11-12 06:13:56 s 1 +59037.826 0 +367756.18 3860.0 C57
2021-11-12 06:23:56 S 09 15 26.962 +27 44 51.11 V C57
2021-11-12 06:23:56 s 1 +58695.675 0 +367909.04 930.0 C57
2021-11-12 06:33:56 S 09 15 27.103 +27 45 16.45 V C57
2021-11-12 06:33:56 s 1 +58353.361 0 +368060.88 7510.0 C57
2021-11-12 06:43:56 S 09 15 27.490 +27 45 41.18 V C57
2021-11-12 06:43:56 s 1 +58010.884 0 +368211.71 3610.0 C57
2021-11-12 06:53:56 S 09 15 27.542 +27 46 10.34 V C57
2021-11-12 06:53:56 s 1 +57668.247 0 +368361.53 9230.0 C57
2021-11-12 07:03:56 S 09 15 27.722 +27 46 34.72 V C57
2021-11-12 07:03:56 s 1 +57325.450 0 +368510.34 4380.0 C57
2021-11-12 07:13:56 S 09 15 27.943 +27 47 02.72 V C57
2021-11-12 07:13:56 s 1 +56982.494 0 +368658.13 9060.0 C57
2021-11-12 07:23:56 S 09 15 28.092 +27 47 26.77 V C57
2021-11-12 07:23:56 s 1 +56639.380 0 +368804.91 3270.0 C57
2021-11-12 07:33:56 S 09 15 28.133 +27 47 55.10 V C57
2021-11-12 07:33:56 s 1 +56296.109 0 +368950.68 7020.0 C57
2021-11-12 07:43:56 S 09 15 28.586 +27 48 17.89 V C57
2021-11-12 07:43:56 s 1 +55952.682 0 +369095.44 320.0 C57
2021-11-12 07:53:56 S 09 15 28.567 +27 48 45.22 V C57
2021-11-12 07:53:56 s 1 +55609.101 0 +369239.18 3150.0 C57
2021-11-12 08:03:56 S 09 15 29.035 +27 49 11.10 V C57
2021-11-12 08:03:56 s 1 +55265.366 0 +369381.92 5540.0 C57
2021-11-12 08:13:56 S 09 15 29.088 +27 49 40.87 V C57
2021-11-12 08:13:56 s 1 +54921.478 0 +369523.64 7480.0 C57
2021-11-12 08:23:56 S 09 15 29.410 +27 50 05.24 V C57
2021-11-12 08:23:56 s 1 +54577.439 0 +369664.36 8980.0 C57
2021-11-12 08:33:56 S 09 15 29.347 +27 50 29.51 V C57
2021-11-12 08:33:56 s 1 +54233.250 0 +369804.06 40.0 C57
2021-11-12 08:43:56 S 09 15 29.873 +27 50 55.10 V C57
2021-11-12 08:43:56 s 1 +53888.910 0 +369942.75 670.0 C57
2021-11-12 08:53:55 S 09 15 29.762 +27 51 19.87 V C57
2021-11-12 08:53:55 s 1 +53544.423 0 +370080.44 860.0 C57
2021-11-12 09:03:56 S 09 15 30.041 +27 51 44.93 V C57
2021-11-12 09:03:56 s 1 +53199.788 0 +370217.11 630.0 C57
2021-11-12 09:13:56 S 09 15 30.209 +27 52 12.18 V C57
2021-11-12 09:13:56 s 1 +52855.007 0 +370352.78 9980.0 C57
2021-11-12 09:23:56 S 09 15 30.391 +27 52 40.84 V C57
2021-11-12 09:23:56 s 1 +52510.080 0 +370487.43 8900.0 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)