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 15:52:11 C 09 27 53.16 +06 15 21.5 193
2020-04-23 15:52:29 C 09 27 53.26 +06 15 18.8 193
2020-04-23 15:52:45 C 09 27 53.37 +06 15 15.9 193
2020-04-23 15:53:22 C 09 27 53.60 +06 15 09.9 12.5 193
2020-04-23 15:53:40 C 09 27 53.70 +06 15 07.1 193
2020-04-23 15:53:58 C 09 27 53.81 +06 15 04.3 193
2020-04-23 15:54:14 C 09 27 53.91 +06 15 01.5 193
2020-04-23 15:54:51 C 09 27 54.14 +06 14 55.4 12.5 193
2020-04-23 15:55:09 C 09 27 54.25 +06 14 52.7 193
2020-04-23 15:55:26 C 09 27 54.35 +06 14 49.9 193
2020-04-23 15:55:42 C 09 27 54.46 +06 14 47.1 193
2020-04-23 15:56:19 C 09 27 54.69 +06 14 41.0 12.5 193
2020-04-23 15:56:37 C 09 27 54.79 +06 14 38.2 193
2020-04-23 15:56:55 C 09 27 54.90 +06 14 35.4 193
2020-04-23 15:57:11 C 09 27 55.00 +06 14 32.6 193
2020-04-23 15:57:48 C 09 27 55.23 +06 14 26.5 12.5 193
2020-04-23 15:58:06 C 09 27 55.34 +06 14 23.7 193
2020-04-23 15:58:22 C 09 27 55.45 +06 14 20.9 193
2020-04-23 15:58:39 C 09 27 55.55 +06 14 18.2 193
2020-04-23 15:59:17 C 09 27 55.78 +06 14 12.1 12.5 193
2020-04-23 15:59:34 C 09 27 55.89 +06 14 09.2 193
2020-04-23 15:59:50 C 09 27 56.00 +06 14 06.4 193
2020-04-23 16:00:08 C 09 27 56.10 +06 14 03.7 193
2020-04-23 16:00:46 C 09 27 56.33 +06 13 57.6 12.5 193
2020-04-23 16:01:03 C 09 27 56.43 +06 13 54.8 193
2020-04-23 16:01:19 C 09 27 56.54 +06 13 52.0 193
2020-04-23 16:01:37 C 09 27 56.65 +06 13 49.2 193
2020-04-23 16:02:14 C 09 27 56.87 +06 13 43.2 12.5 193
2020-04-23 16:02:30 C 09 27 56.98 +06 13 40.3 193
2020-04-23 16:02:47 C 09 27 57.09 +06 13 37.5 193
2020-04-23 16:03:05 C 09 27 57.19 +06 13 34.8 193
2020-04-23 16:03:42 C 09 27 57.42 +06 13 28.7 12.5 193
2020-04-23 16:03:58 C 09 27 57.52 +06 13 26.0 193
2020-04-23 16:04:16 C 09 27 57.63 +06 13 23.1 193
2020-04-23 16:04:34 C 09 27 57.74 +06 13 20.3 193
2020-04-23 16:05:11 C 09 27 57.97 +06 13 14.2 12.5 193
2020-04-23 16:05:27 C 09 27 58.08 +06 13 11.4 193
2020-04-23 16:05:45 C 09 27 58.18 +06 13 08.7 193
2020-04-23 16:06:02 C 09 27 58.29 +06 13 05.9 193
2020-04-23 16:06:38 C 09 27 58.52 +06 12 59.9 12.5 193
2020-04-23 16:06:55 C 09 27 58.62 +06 12 57.0 193
2020-04-23 16:07:13 C 09 27 58.73 +06 12 54.0 193
2020-04-23 16:07:31 C 09 27 58.84 +06 12 51.4 193
2020-04-23 16:08:07 C 09 27 59.07 +06 12 45.3 12.5 193
2020-04-23 16:08:24 C 09 27 59.17 +06 12 42.5 193
2020-04-23 16:08:42 C 09 27 59.27 +06 12 39.8 193
2020-04-23 16:08:59 C 09 27 59.38 +06 12 36.9 193
2020-04-23 16:09:35 C 09 27 59.61 +06 12 30.8 12.5 193
2020-04-23 16:09:52 C 09 27 59.72 +06 12 28.1 193
2020-04-23 16:10:10 C 09 27 59.83 +06 12 25.2 193
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)