7888 (1993 UC)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6632127379 ± 8.87e-09
Semi-major axis (a)2.4385584054 AU ± 9.76e-10
Inclination (i)26.07788767° ± 1.72e-06
Long. of Asc. Node (Ω)165.87181637° ± 1.96e-06
Arg. of Perihelion (ω)323.03710193° ± 2.74e-06
Mean Anomaly (M)127.64618423° ± 8.85e-07
Mean Motion (n)0.2588287611°/day ± 1.55e-10
Perihelion dist (q)0.82127541 AU ± 2.16e-08
Aphelion dist (Q)4.05584140 AU ± 2.17e-08
Orbital Period3.80802458 yr ± 2.29e-09
Physical Parameters
H (abs. magnitude)15.19
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.229″
Uncertainty0
Orbit TypeApollo
MOID0.086047 AU
Observations Used1303
Radar Obs Used5
Gaia Obs Used79
Oppositions21
Arc Total1989-2023
First Observation Used1989-10-28
Last Observation Used2023-09-10
Observations (1346)
Date Type RA Dec Mag Band Observatory
2016-09-27 07:52:31 S 06 12 38.393 -11 10 50.74 L C51
2016-09-27 11:01:12 S 06 13 14.167 -11 14 33.61 L C51
2016-09-27 14:09:53 S 06 13 50.030 -11 18 17.35 L C51
2016-09-27 17:18:34 S 06 14 25.918 -11 22 01.24 L C51
2016-09-27 20:27:16 S 06 15 01.930 -11 25 45.70 L C51
2016-11-16 07:20:36 C 11 07 17.81 -27 30 58.0 q W88
2016-11-16 07:30:56 C 11 07 20.46 -27 30 56.9 q W88
2016-11-16 07:50:53 C 11 07 25.59 -27 30 55.0 q W88
2016-11-18 07:43:27 C 11 19 43.94 -27 23 42.6 o W92
2016-11-18 07:57:31 C 11 19 47.44 -27 23 39.7 o W92
2016-11-18 08:03:02 C 11 19 48.89 -27 23 39.3 o W92
2017-02-13 10:25:35 C 17 15 21.16 -04 11 22.6 u H21
2017-02-13 10:27:39 C 17 15 21.36 -04 11 21.0 u H21
2017-02-13 10:29:37 C 17 15 21.54 -04 11 19.1 u H21
2017-02-13 10:31:34 C 17 15 21.70 -04 11 17.8 u H21
2017-02-13 10:33:32 C 17 15 21.88 -04 11 16.3 u H21
2017-02-13 10:39:25 C 17 15 22.39 -04 11 12.1 u H21
2017-02-13 10:41:22 C 17 15 22.58 -04 11 10.6 u H21
2017-02-13 10:43:20 C 17 15 22.76 -04 11 09.3 u H21
2017-02-13 10:45:17 C 17 15 22.94 -04 11 08.0 u H21
2017-02-13 10:47:15 C 17 15 23.12 -04 11 06.3 u H21
2017-02-13 10:49:07 C 17 15 23.28 -04 11 04.9 u H21
2017-02-13 10:50:59 C 17 15 23.44 -04 11 03.5 u H21
2017-02-15 05:01:59 C 17 19 09.81 -03 39 54.5 q 160
2017-02-15 05:04:15 C 17 19 09.98 -03 39 52.7 q 160
2017-02-15 05:06:31 C 17 19 10.17 -03 39 50.8 q 160
2017-02-16 04:06:10 C 17 21 10.73 -03 22 49.3 q 160
2017-02-16 04:07:07 C 17 21 10.78 -03 22 48.6 q 160
2017-03-02 10:55:50 C 17 46 58.44 +00 54 07.0 R G45
2017-03-02 11:02:49 C 17 46 58.89 +00 54 12.5 R G45
2017-03-02 11:09:52 C 17 46 59.32 +00 54 17.7 R G45
2017-03-02 11:16:47 C 17 46 59.77 +00 54 23.0 R G45
2017-03-02 11:17:54 C 17 46 59.83 +00 54 24.0 R G45
2017-03-02 11:23:53 C 17 47 00.21 +00 54 28.5 R G45
2017-03-09 02:29:27 C 17 56 20.00 +02 55 30.0 q 160
2017-03-09 02:31:13 C 17 56 20.15 +02 55 32.9 q 160
2017-03-24 17:32:28 S 18 11 38.46 +07 42 50.4 L C51
2017-03-25 02:58:10 S 18 11 54.05 +07 50 03.3 L C51
2017-03-25 06:06:40 S 18 11 59.14 +07 52 25.7 L C51
2017-03-25 09:15:21 S 18 12 04.21 +07 54 52.7 L C51
2017-03-25 13:58:06 S 18 12 11.80 +07 58 26.7 L C51
2017-03-25 13:58:17 S 18 12 11.81 +07 58 27.5 L C51
2017-03-25 20:15:18 S 18 12 21.73 +08 03 15.0 L C51
2017-03-25 23:23:59 S 18 12 26.68 +08 05 38.1 L C51
2017-04-04 01:50:32 C 18 16 23.55 +10 50 29.7 q 160
2017-04-04 01:53:31 C 18 16 23.64 +10 50 30.7 q 160
2017-04-04 01:56:33 C 18 16 23.66 +10 50 32.5 q 160
2017-04-08 00:48:09 C 18 17 01.94 +12 00 23.1 q 160
2017-04-08 00:51:08 C 18 17 01.92 +12 00 24.8 q 160
2017-04-08 00:54:06 C 18 17 01.88 +12 00 26.8 q 160
Radar Observations (5)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2013-03-13 18:45:00 148881122.87 8 us 2380 -1 -1
2013-03-14 20:13:00 142057659.16 4 us 2380 -1 -1
2013-03-15 18:46:00 136876892.94 4 us 2380 -1 -1
2013-03-16 18:16:00 132438120.25 4 us 2380 -1 -1
2013-03-17 19:34:00 128851479.83 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)