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
2021-10-23 21:03:57 S 08 58 43.471 +08 05 53.38 V C57
2021-10-23 21:03:57 s 1 -151006.72 6 +24426.303 120.0 C57
2021-10-23 21:13:57 S 08 58 43.978 +08 06 21.71 V C57
2021-10-23 21:13:57 s 1 -150585.01 2 +23444.336 3200.0 C57
2021-10-23 21:33:57 S 08 58 44.731 +08 07 13.33 V C57
2021-10-23 21:33:57 s 1 -149726.00 3 +21477.990 5580.0 C57
2021-10-23 21:53:57 S 08 58 45.238 +08 07 58.80 V C57
2021-10-23 21:53:57 s 1 -148845.93 4 +19508.601 5300.0 C57
2021-10-23 22:03:57 S 08 58 45.370 +08 08 22.06 V C57
2021-10-23 22:03:57 s 1 -148397.89 5 +18522.833 7550.0 C57
2021-10-23 22:13:57 S 08 58 45.970 +08 08 48.80 V C57
2021-10-23 22:13:57 s 1 -147944.45 9 +17536.385 1190.0 C57
2021-10-23 22:43:57 S 08 58 46.783 +08 10 00.66 V C57
2021-10-23 22:43:57 s 1 -146551.33 3 +14573.260 8980.0 C57
2021-10-23 22:53:57 S 08 58 47.186 +08 10 28.60 V C57
2021-10-23 22:53:57 s 1 -146075.86 7 +13584.390 6690.0 C57
2021-10-23 23:03:57 S 08 58 47.378 +08 10 52.36 V C57
2021-10-23 23:03:57 s 1 -145594.77 9 +12594.993 5030.0 C57
2021-10-23 23:13:57 S 08 58 47.770 +08 11 17.38 V C57
2021-10-23 23:13:57 s 1 -145108.02 3 +11605.099 3860.0 C57
2021-10-25 10:15:12 C 09 00 25.88 +09 39 15.4 V 703
2021-10-25 10:22:54 C 09 00 26.14 +09 39 34.5 V 703
2021-10-25 10:30:36 C 09 00 26.42 +09 39 53.6 V 703
2021-10-25 10:38:19 C 09 00 26.68 +09 40 12.7 V 703
2021-10-26 14:40:34 C 09 01 30.00 +10 49 41.3 V T08
2021-10-26 15:07:38 C 09 01 30.92 +10 50 48.6 V T08
2021-10-26 15:15:39 C 09 01 31.19 +10 51 08.4 V T08
2021-10-26 15:18:58 C 09 01 31.31 +10 51 16.9 V T08
2021-10-27 04:43:57 S 09 02 48.096 +11 27 18.86 V C57
2021-10-27 04:43:57 s 1 +178352.57 0 +165373.70 1280.0 C57
2021-10-27 07:13:57 S 09 02 55.421 +11 33 27.97 V C57
2021-10-27 07:13:57 s 1 +177431.74 3 +176119.14 2390.0 C57
2021-10-27 09:23:57 S 09 03 01.416 +11 38 54.92 V C57
2021-10-27 09:23:57 s 1 +176359.29 7 +185159.78 60.0 C57
2021-10-27 10:33:57 S 09 03 04.286 +11 41 48.41 V C57
2021-10-27 10:33:57 s 1 +175682.69 6 +189924.36 9870.0 C57
2021-10-27 10:53:57 S 09 03 05.926 +11 42 42.12 V C57
2021-10-27 10:53:57 s 1 +175477.12 0 +191272.46 5920.0 C57
2021-10-27 11:13:57 S 09 03 06.319 +11 43 32.59 V C57
2021-10-27 11:13:57 s 1 +175266.19 9 +192614.72 4080.0 C57
2021-10-27 11:33:57 S 09 03 07.104 +11 44 30.98 V C57
2021-10-27 11:33:57 s 1 +175049.98 6 +193951.15 4540.0 C57
2021-10-27 11:43:57 S 09 03 07.728 +11 44 49.70 V C57
2021-10-27 11:43:57 s 1 +174939.91 3 +194617.18 8190.0 C57
2021-10-27 11:53:57 S 09 03 08.198 +11 45 11.05 V C57
2021-10-27 11:53:57 s 1 +174828.53 7 +195281.75 7480.0 C57
2021-10-27 12:03:57 S 09 03 08.791 +11 45 36.79 V C57
2021-10-27 12:03:57 s 1 +174715.86 5 +195944.87 2440.0 C57
2021-10-27 12:23:57 S 09 03 09.523 +11 46 28.27 V C57
2021-10-27 12:23:57 s 1 +174486.66 0 +197266.77 9450.0 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)