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
2020-04-23 18:17:36 C 09 28 48.21 +05 51 26.0 190
2020-04-23 18:17:59 C 09 28 48.37 +05 51 22.1 190
2020-04-23 18:18:23 C 09 28 48.51 +05 51 18.5 190
2020-04-23 18:18:46 C 09 28 48.66 +05 51 14.6 190
2020-04-23 18:19:09 C 09 28 48.81 +05 51 10.7 190
2020-04-23 18:19:40 C 09 28 49.01 +05 51 05.8 190
2020-04-23 18:20:03 C 09 28 49.15 +05 51 02.0 190
2020-04-23 18:20:26 C 09 28 49.31 +05 50 58.1 190
2020-04-23 18:21:13 C 09 28 49.62 +05 50 50.2 190
2020-04-23 18:21:41 C 09 28 49.80 +05 50 45.4 190
2020-04-23 18:22:05 C 09 28 49.95 +05 50 41.6 190
2020-04-23 18:22:27 C 09 28 50.10 +05 50 37.7 190
2020-04-23 18:23:14 C 09 28 50.39 +05 50 30.2 190
2020-04-23 18:23:48 C 09 28 50.61 +05 50 24.5 12.3 190
2020-04-23 18:24:01 C 09 28 50.70 +05 50 22.1 12.4 190
2020-04-23 18:24:14 C 09 28 50.79 +05 50 20.0 190
2020-04-23 18:24:28 C 09 28 50.88 +05 50 17.8 12.4 190
2020-04-23 18:24:41 C 09 28 50.95 +05 50 15.5 190
2020-04-23 18:26:03 C 09 28 51.49 +05 50 01.9 190
2020-04-23 18:26:16 C 09 28 51.59 +05 49 59.9 190
2020-04-23 18:26:30 C 09 28 51.67 +05 49 57.5 190
2020-04-23 18:26:43 C 09 28 51.75 +05 49 55.5 190
2020-04-23 18:26:59 C 09 28 51.85 +05 49 52.8 190
2020-04-23 18:27:12 C 09 28 51.94 +05 49 50.7 190
2020-04-23 18:27:25 C 09 28 52.04 +05 49 48.4 190
2020-04-23 18:27:52 C 09 28 52.21 +05 49 44.0 190
2020-04-23 18:28:09 C 09 28 52.31 +05 49 40.9 190
2020-04-23 18:28:23 C 09 28 52.41 +05 49 38.8 190
2020-04-23 18:28:37 C 09 28 52.49 +05 49 36.5 190
2020-04-23 18:30:07 C 09 28 57.03 +05 49 10.2 V C40
2020-04-23 18:31:01 C 09 28 57.38 +05 49 01.2 V C40
2020-04-23 18:36:37 C 09 29 02.87 +05 48 17.6 V C82
2020-04-23 18:44:37 C 09 29 02.56 +05 46 46.1 V C40
2020-04-23 18:45:04 C 09 29 02.73 +05 46 41.8 V C40
2020-04-23 18:45:30 C 09 29 02.90 +05 46 37.4 V C40
2020-04-23 18:45:57 C 09 29 03.07 +05 46 33.1 V C40
2020-04-23 18:55:08 C 09 29 09.81 +05 45 13.7 V C82
2020-04-23 18:58:55 C 09 29 08.04 +05 44 24.1 V C40
2020-04-23 18:59:22 C 09 29 08.20 +05 44 19.6 V C40
2020-04-23 18:59:49 C 09 29 08.37 +05 44 15.1 V C40
2020-04-23 19:00:16 C 09 29 08.55 +05 44 10.5 V C40
2020-04-23 19:00:43 C 09 29 08.72 +05 44 06.2 V C40
2020-04-23 19:02:02 C 09 29 12.41 +05 44 05.1 V C82
2020-04-23 19:14:40 C 09 29 14.08 +05 41 47.1 V C40
2020-04-23 19:15:07 C 09 29 14.25 +05 41 42.7 V C40
2020-04-23 19:15:33 C 09 29 14.43 +05 41 38.3 V C40
2020-04-23 19:27:31 C 09 29 21.63 +05 39 35.5 q G23
2020-04-23 19:29:26 C 09 29 19.79 +05 39 19.9 V C40
2020-04-23 19:30:20 C 09 29 20.13 +05 39 10.9 V C40
2020-04-23 19:30:46 C 09 29 20.30 +05 39 06.5 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)