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
2008-09-23 19:43:14 C 23 21 51.98 -09 48 47.2 r B67
2008-09-23 19:52:19 C 23 21 51.53 -09 48 53.2 r B67
2008-09-24 05:22:36 C 23 21 23.32 -09 54 51.0 19.0 c 704
2008-09-24 05:39:59 C 23 21 22.44 -09 55 01.3 19.0 c 704
2008-09-24 05:57:24 C 23 21 21.55 -09 55 12.6 19.1 c 704
2008-09-24 06:14:49 C 23 21 20.67 -09 55 23.9 19.8 c 704
2008-09-24 06:32:12 C 23 21 19.78 -09 55 34.3 18.8 c 704
2008-10-02 05:48:45 C 23 12 03.56 -11 52 43.7 r 703
2008-10-02 06:00:00 C 23 12 02.95 -11 52 50.8 r 703
2008-10-02 06:11:19 C 23 12 02.48 -11 52 57.6 r 703
2008-10-02 06:22:39 C 23 12 01.83 -11 53 03.9 r 703
2008-10-21 12:10:30 C 22 53 45.02 -15 45 59.6 r E12
2008-10-21 12:19:06 C 22 53 44.73 -15 46 04.6 r E12
2008-10-21 12:29:19 C 22 53 44.48 -15 46 06.5 r E12
2008-10-21 12:37:54 C 22 53 44.19 -15 46 10.5 r E12
2008-10-21 12:48:06 C 22 53 43.87 -15 46 14.5 r E12
2008-10-21 12:56:42 C 22 53 43.58 -15 46 17.7 r E12
2008-10-21 13:06:55 C 22 53 43.26 -15 46 21.5 r E12
2008-10-21 13:15:30 C 22 53 43.00 -15 46 23.9 r E12
2008-10-29 05:10:37 C 22 49 09.08 -16 52 27.0 r 703
2008-10-29 05:21:16 C 22 49 08.94 -16 52 32.5 r 703
2008-10-29 05:32:41 C 22 49 08.61 -16 52 37.2 r 703
2008-10-29 05:43:01 C 22 49 08.47 -16 52 39.4 r 703
2011-07-23 07:07:11 C 21 33 47.97 +02 17 08.8 o H21
2011-07-23 07:25:07 C 21 33 47.42 +02 17 05.7 o H21
2011-07-23 07:43:16 C 21 33 46.89 +02 17 03.2 o H21
2011-08-02 11:23:19 C 21 25 46.891 +01 30 17.27 L F51
2011-08-02 12:04:39 C 21 25 45.436 +01 30 08.03 L F51
2011-08-02 12:25:07 C 21 25 44.708 +01 30 03.61 L F51
2011-08-24 21:09:19 C 21 06 44.71 -00 54 44.6 u 621
2011-08-24 21:35:56 C 21 06 43.76 -00 54 52.3 u 621
2011-08-24 22:02:32 C 21 06 42.85 -00 55 01.4 u 621
2011-08-24 22:29:08 C 21 06 41.92 -00 55 09.0 u 621
2012-08-02 13:37:39 c 01 20 50.248 +01 30 53.29 L F51
2012-08-02 13:55:06 c 01 20 50.675 +01 30 48.61 L F51
2012-08-10 18:45:51 C 01 25 31.54 +00 29 14.1 r E12
2012-08-10 19:07:22 C 01 25 31.94 +00 29 06.6 r E12
2012-08-10 19:28:57 C 01 25 32.41 +00 28 58.8 r E12
2012-08-10 19:50:38 C 01 25 32.80 +00 28 50.5 r E12
2012-08-31 08:17:57 C 01 31 00.64 -03 52 06.3 u H21
2012-08-31 08:23:47 C 01 31 00.64 -03 52 10.5 u H21
2012-08-31 08:30:31 C 01 31 00.61 -03 52 15.1 u H21
2012-09-01 08:00:25 C 01 30 59.89 -04 09 07.3 u 448
2012-09-01 08:05:30 C 01 30 59.90 -04 09 10.8 u 448
2012-09-01 08:10:34 C 01 30 59.83 -04 09 14.8 u 448
2012-09-15 00:42:43 C 01 27 30.41 -08 52 04.5 t 130
2012-09-15 00:44:53 C 01 27 30.34 -08 52 06.7 t 130
2012-09-15 00:47:02 C 01 27 30.29 -08 52 08.8 t 130
2012-09-15 00:49:11 C 01 27 30.23 -08 52 11.0 t 130
2012-09-15 09:32:25 C 01 27 19.22 -09 00 50.7 r 703
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)