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
1989-10-28 09:40:52 22 54 22.27 -16 59 04.4 413
1989-10-28 10:45:52 22 54 20.91 -16 59 24.1 413
1993-09-21 09:58:00 01 26 30.95 -11 16 19.0 675
1993-10-20 14:15:59 A 00 51 57.37 -25 08 12.9 413
1993-10-23 15:18:31 A 00 47 19.87 -26 26 48.4 413
1993-10-24 12:29:25 A 00 45 59.47 -26 48 45.7 474
1993-10-24 13:37:19 A 00 45 54.98 -26 49 54.7 474
1993-10-24 14:44:55 A 00 45 50.59 -26 51 03.0 17.6 474
1993-10-25 12:42:23 A 00 44 27.97 -27 13 24.6 413
1993-10-25 12:59:21 A 00 44 26.87 -27 13 40.5 413
1993-10-25 15:42:44 A 00 44 15.93 -27 16 20.2 17.5 474
1993-10-25 16:03:54 A 00 44 14.63 -27 16 40.9 474
1993-10-26 10:30:23 C 00 43 05.91 -27 35 02.8 413
1993-10-26 10:33:23 C 00 43 05.70 -27 35 05.6 413
1993-10-26 10:42:27 C 00 43 05.11 -27 35 14.6 413
1993-10-26 10:45:21 C 00 43 04.92 -27 35 17.5 413
1993-10-26 17:03:15 C 00 42 40.27 -27 41 25.7 413
1993-10-26 17:06:06 C 00 42 40.10 -27 41 29.0 413
1993-10-27 10:17:11 C 00 41 36.57 -27 58 10.4 413
1993-10-27 10:20:07 C 00 41 36.37 -27 58 13.4 413
1993-10-27 15:31:41 C 00 41 16.08 -28 03 09.1 413
1993-10-27 15:34:49 C 00 41 15.88 -28 03 12.1 413
1993-10-27 16:50:49 C 00 41 11.06 -28 04 24.0 413
1993-10-27 16:53:18 C 00 41 10.90 -28 04 26.3 413
1993-11-05 10:22:24 A 00 28 47.62 -31 01 00.7 413
1993-11-09 04:16:00 A 00 24 04.86 -32 02 02.4 17.0 675
1993-11-09 04:54:37 A 00 24 02.86 -32 02 26.2 675
1993-11-14 11:19:20 00 18 18.65 -33 12 36.2 413
1993-11-20 11:11:56 C 00 13 17.86 -34 12 20.0 413
1993-11-20 11:15:20 C 00 13 17.74 -34 12 21.0 413
1993-12-16 12:59:30 00 12 45.06 -35 21 49.0 413
1993-12-17 11:03:29 00 13 21.36 -35 20 06.2 413
1994-01-11 10:43:30 A 00 42 44.17 -33 20 48.3 474
1994-01-11 11:02:30 A 00 42 45.43 -33 20 41.7 474
1994-01-12 10:52:59 A 00 44 21.78 -33 13 16.1 474
1994-01-12 11:19:09 A 00 44 23.48 -33 13 07.4 474
1994-01-16 11:13:24 00 51 07.03 -32 41 04.0 413
1994-01-21 11:00:18 C 01 00 00.89 -31 55 29.6 413
1994-01-21 11:04:24 C 01 00 01.20 -31 55 28.0 413
1994-01-22 12:00:52 C 01 01 55.60 -31 45 07.2 413
1994-01-22 12:03:45 C 01 01 55.82 -31 45 05.9 413
1994-01-23 11:05:57 C 01 03 42.82 -31 35 17.0 413
1994-01-23 11:09:36 C 01 03 43.09 -31 35 15.1 413
1994-02-15 09:49:16 01 47 12.05 -25 12 57.1 474
1994-02-15 10:00:36 01 47 12.87 -25 12 44.6 474
1994-02-15 10:14:07 01 47 13.88 -25 12 29.1 474
1994-02-20 10:44:07 C 01 55 59.63 -22 31 52.2 413
1994-02-20 10:46:49 C 01 55 59.82 -22 31 47.8 413
1994-03-26 19:54:08 C 03 43 10.05 +79 02 32.8 z 540
1994-03-26 19:55:43 C 03 43 11.91 +79 02 47.6 z 540
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)