52768 (1998 OR2)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5757189890 ± 5.34e-10
Semi-major axis (a)2.3793400346 AU ± 6.79e-10
Inclination (i)5.87938456° ± 3.15e-07
Long. of Asc. Node (Ω)26.93086310° ± 7.35e-07
Arg. of Perihelion (ω)174.57236061° ± 1.01e-06
Mean Anomaly (M)188.66062109° ± 2.78e-07
Mean Motion (n)0.2685514540°/day ± 1.15e-10
Perihelion dist (q)1.00950880 AU ± 1.30e-09
Aphelion dist (Q)3.74917127 AU ± 1.66e-09
Orbital Period3.67015806 yr ± 1.57e-09
Physical Parameters
H (abs. magnitude)16.02
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.161″
Uncertainty0
Orbit TypeApollo
MOID0.006993 AU
Observations Used5779
Radar Obs Used8
Gaia Obs Used66
Oppositions21
Arc Total1987-2025
First Observation Used1987-06-30
Last Observation Used2025-11-11
Observations (6539)
Date Type RA Dec Mag Band Observatory
2020-04-21 17:39:40 C 09 10 40.73 +12 59 39.4 190
2020-04-21 17:40:03 C 09 10 40.87 +12 59 36.7 190
2020-04-21 17:40:18 C 09 10 44.77 +12 59 26.4 V C40
2020-04-21 17:40:27 C 09 10 40.99 +12 59 33.6 190
2020-04-21 17:40:59 C 09 10 41.14 +12 59 29.5 190
2020-04-21 17:41:22 C 09 10 41.26 +12 59 26.5 190
2020-04-21 17:41:46 C 09 10 41.38 +12 59 23.3 190
2020-04-21 17:42:09 C 09 10 41.50 +12 59 20.3 190
2020-04-21 17:42:32 C 09 10 41.62 +12 59 17.1 190
2020-04-21 17:42:56 C 09 10 41.74 +12 59 14.1 190
2020-04-21 17:43:17 C 09 10 45.68 +12 59 03.0 V C40
2020-04-21 17:43:30 C 09 10 41.92 +12 59 09.5 190
2020-04-21 17:43:54 C 09 10 42.04 +12 59 06.6 190
2020-04-21 17:44:00 C 09 10 45.90 +12 58 57.4 V C40
2020-04-21 17:44:18 C 09 10 42.17 +12 59 03.3 190
2020-04-21 17:44:40 C 09 10 42.29 +12 59 00.4 190
2020-04-21 17:44:41 C 09 10 46.11 +12 58 52.0 V C40
2020-04-21 17:45:04 C 09 10 42.41 +12 58 57.2 190
2020-04-21 17:45:28 C 09 10 42.53 +12 58 54.3 190
2020-04-21 17:46:07 C 09 10 42.78 +12 58 49.1 190
2020-04-21 17:46:20 C 09 10 42.84 +12 58 47.1 190
2020-04-21 17:46:34 C 09 10 42.91 +12 58 45.5 190
2020-04-21 17:46:46 C 09 10 46.75 +12 58 35.7 V C40
2020-04-21 17:46:48 C 09 10 42.98 +12 58 43.4 190
2020-04-21 17:47:29 C 09 10 46.97 +12 58 30.1 V C40
2020-04-21 17:47:33 C 09 10 43.21 +12 58 37.7 190
2020-04-21 17:47:47 C 09 10 43.29 +12 58 36.0 190
2020-04-21 17:48:14 C 09 10 43.42 +12 58 32.6 190
2020-04-21 17:48:27 C 09 10 43.50 +12 58 30.7 190
2020-04-21 17:48:40 C 09 10 43.56 +12 58 29.1 190
2020-04-21 17:49:24 C 09 10 43.75 +12 58 23.2 190
2020-04-21 17:49:37 C 09 10 43.86 +12 58 21.5 190
2020-04-21 17:49:50 C 09 10 43.92 +12 58 19.8 190
2020-04-21 17:50:03 C 09 10 43.98 +12 58 18.0 190
2020-04-21 17:50:17 C 09 10 44.05 +12 58 16.2 190
2020-04-21 17:50:30 C 09 10 44.12 +12 58 14.7 190
2020-04-21 17:50:53 C 09 10 44.24 +12 58 11.7 190
2020-04-21 17:51:06 C 09 10 44.31 +12 58 09.8 190
2020-04-21 17:51:19 C 09 10 44.40 +12 58 08.4 190
2020-04-21 17:51:32 C 09 10 44.47 +12 58 06.4 190
2020-04-21 17:51:46 C 09 10 44.52 +12 58 04.8 190
2020-04-21 17:52:22 C 09 10 48.47 +12 57 52.0 V C40
2020-04-21 17:55:09 C 09 10 49.32 +12 57 30.1 V C40
2020-04-21 17:56:34 C 09 10 49.75 +12 57 19.3 V C40
2020-04-21 17:57:14 C 09 10 49.95 +12 57 13.8 V C40
2020-04-21 17:57:57 C 09 10 50.17 +12 57 08.4 V C40
2020-04-21 18:01:27 C 09 10 51.25 +12 56 41.0 V C40
2020-04-21 18:02:08 C 09 10 51.46 +12 56 35.4 V C40
2020-04-21 18:02:51 C 09 10 51.68 +12 56 29.9 V C40
2020-04-21 18:05:37 C 09 10 52.53 +12 56 08.2 V C40
Radar Observations (8)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2020-04-16 23:39:00 74169888.28 0.55 us 2380 -1 -1
2020-04-17 00:39:00 74006133.3 0.55 us 2380 -1 -1
2020-04-17 23:49:00 70213370.86 0.54 us 2380 -1 -1
2020-04-18 23:37:00 66419421.12 0.54 us 2380 -1 -1
2020-04-19 23:42:00 62708392.59 0.54 us 2380 -1 -1
2020-04-22 00:23:00 55726484.71 0.53 us 2380 -1 -1
2020-04-23 00:30:00 52603664 0.53 us 2380 -1 -1
2020-04-23 23:47:00 49859572.3 0.53 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)