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
2017-04-09 01:33:20 C 18 17 05.30 +12 18 21.3 q 160
2017-04-09 01:36:20 C 18 17 05.33 +12 18 23.9 q 160
2017-04-09 01:39:21 C 18 17 05.35 +12 18 25.3 q 160
2017-04-21 01:48:11 C 18 14 27.46 +15 36 45.4 q 160
2017-04-21 01:51:06 C 18 14 27.41 +15 36 47.2 q 160
2017-04-21 01:54:01 C 18 14 27.38 +15 36 48.9 q 160
2017-04-22 01:41:56 C 18 13 58.05 +15 52 02.5 q 160
2017-04-22 01:44:55 C 18 13 57.96 +15 52 04.4 q 160
2017-04-22 01:47:53 C 18 13 57.87 +15 52 06.1 q 160
2017-04-29 00:57:06 C 18 09 23.91 +17 32 13.6 q 160
2017-04-29 01:00:04 C 18 09 23.78 +17 32 15.1 q 160
2017-04-30 00:52:27 C 18 08 35.23 +17 45 26.9 U 160
2017-04-30 00:55:14 C 18 08 35.13 +17 45 28.4 U 160
2017-04-30 00:58:01 C 18 08 35.09 +17 45 30.0 U 160
2017-05-07 09:19:33 C 18 01 29.96 +19 12 46.9 q 703
2017-05-07 09:25:53 C 18 01 29.65 +19 12 49.6 q 703
2017-05-07 09:32:13 C 18 01 29.36 +19 12 52.5 q 703
2017-05-07 09:38:32 C 18 01 29.06 +19 12 55.0 q 703
2017-05-08 07:11:30 C 18 00 29.75 +19 22 13.0 u H21
2017-05-08 07:15:02 C 18 00 29.58 +19 22 14.3 u H21
2017-05-08 07:17:58 C 18 00 29.44 +19 22 15.4 u H21
2017-05-08 07:20:55 C 18 00 29.28 +19 22 17.0 u H21
2017-05-08 07:23:51 C 18 00 29.12 +19 22 18.4 u H21
2017-05-08 07:26:48 C 18 00 28.98 +19 22 19.7 u H21
2017-05-08 07:29:44 C 18 00 28.85 +19 22 21.0 u H21
2017-05-08 07:33:04 C 18 00 28.70 +19 22 22.3 u H21
2017-05-13 07:27:11 C 17 54 32.29 +20 08 14.0 u H21
2017-05-13 07:33:33 C 17 54 31.94 +20 08 15.9 u H21
2017-05-13 07:39:26 C 17 54 31.63 +20 08 18.2 u H21
2017-05-13 07:46:17 C 17 54 31.27 +20 08 20.5 u H21
2017-05-14 05:54:18 C 17 53 21.22 +20 15 38.4 u H21
2017-05-14 05:59:59 C 17 53 20.92 +20 15 40.2 u H21
2017-05-14 06:05:52 C 17 53 20.62 +20 15 42.0 u H21
2017-05-14 06:11:44 C 17 53 20.31 +20 15 44.0 u H21
2017-05-14 06:17:35 C 17 53 20.00 +20 15 45.9 u H21
2017-05-14 06:24:02 C 17 53 19.62 +20 15 48.4 u H21
2017-05-14 08:33:49 C 17 53 12.49 +20 16 30.3 U H21
2017-05-14 08:38:53 C 17 53 12.24 +20 16 31.5 U H21
2017-05-14 08:43:56 C 17 53 11.96 +20 16 33.4 U H21
2017-05-14 08:49:00 C 17 53 11.69 +20 16 35.0 U H21
2017-05-14 08:54:04 C 17 53 11.39 +20 16 36.7 U H21
2017-05-14 08:59:08 C 17 53 11.12 +20 16 38.0 U H21
2017-05-14 09:04:12 C 17 53 10.85 +20 16 39.7 U H21
2017-05-15 09:02:00 C 17 51 53.29 +20 24 05.9 U H21
2017-05-15 09:04:48 C 17 51 53.16 +20 24 06.5 U H21
2017-05-15 09:07:35 C 17 51 53.00 +20 24 06.8 U H21
2017-05-15 09:10:22 C 17 51 52.86 +20 24 07.9 U H21
2017-05-15 09:13:10 C 17 51 52.66 +20 24 09.6 U H21
2017-05-16 00:22:30 C 17 51 03.24 +20 28 37.3 q 160
2017-05-16 00:25:30 C 17 51 03.05 +20 28 38.0 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)