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
2020-03-11 18:37:54 C 07 45 01.49 +43 00 16.3 V C40
2020-03-11 18:38:45 C 07 45 01.46 +43 00 16.1 V C40
2020-03-11 18:39:34 C 07 45 02.70 +43 00 16.9 a 233
2020-03-11 18:39:37 C 07 45 01.44 +43 00 15.9 V C40
2020-03-11 18:42:46 C 07 45 01.32 +43 00 15.0 V C40
2020-03-11 18:43:37 C 07 45 01.30 +43 00 14.8 V C40
2020-03-11 18:44:29 C 07 45 01.27 +43 00 14.7 V C40
2020-03-11 18:47:57 C 07 45 01.15 +43 00 13.7 V C40
2020-03-11 19:14:45 C 07 45 00.25 +43 00 06.7 V C40
2020-03-11 19:15:36 C 07 45 00.22 +43 00 06.4 V C40
2020-03-11 19:20:25 C 07 45 01.29 +43 00 07.5 108
2020-03-11 19:22:31 C 07 45 00.00 +43 00 04.4 V C40
2020-03-11 19:23:24 C 07 44 59.97 +43 00 04.2 V C40
2020-03-11 19:24:16 C 07 44 59.94 +43 00 03.9 V C40
2020-03-11 19:25:07 C 07 44 59.91 +43 00 03.7 V C40
2020-03-11 19:26:50 C 07 44 59.85 +43 00 03.2 V C40
2020-03-11 19:26:52 C 07 45 01.07 +43 00 06.0 108
2020-03-11 19:28:35 C 07 44 59.80 +43 00 02.7 V C40
2020-03-11 19:30:19 C 07 44 59.74 +43 00 02.2 V C40
2020-03-11 19:33:28 C 07 45 00.84 +43 00 04.4 108
2020-03-11 19:34:32 C 07 44 59.60 +43 00 01.1 V C40
2020-03-11 19:36:15 C 07 44 59.54 +43 00 00.6 V C40
2020-03-11 19:36:41 C 07 45 00.73 +43 00 03.7 108
2020-03-11 19:39:43 C 07 44 59.43 +42 59 59.6 V C40
2020-03-11 19:39:55 C 07 45 00.64 +43 00 03.0 108
2020-03-11 19:44:55 C 07 44 59.26 +42 59 58.2 V C40
2020-03-11 19:51:49 C 07 44 59.04 +42 59 56.2 V C40
2020-03-11 20:00:27 C 07 45 00.42 +42 59 58.6 U 586
2020-03-11 20:01:29 C 07 45 00.39 +42 59 58.3 U 586
2020-03-11 20:02:31 C 07 45 00.34 +42 59 58.0 U 586
2020-03-11 20:03:33 C 07 45 00.33 +42 59 57.8 U 586
2020-03-11 20:04:36 C 07 45 00.28 +42 59 57.6 U 586
2020-03-11 20:06:40 C 07 45 00.21 +42 59 57.0 U 586
2020-03-11 20:07:16 C 07 44 59.69 +42 59 56.3 V 598
2020-03-11 20:07:42 C 07 45 00.17 +42 59 56.8 U 586
2020-03-11 20:08:45 C 07 45 00.14 +42 59 56.6 U 586
2020-03-11 20:09:47 C 07 45 00.11 +42 59 56.4 U 586
2020-03-11 20:11:59 C 07 44 58.40 +42 59 50.3 V C40
2020-03-11 20:13:53 C 07 44 59.97 +42 59 55.3 U 586
2020-03-11 20:55:03 C 07 44 57.79 +42 59 44.8 q K73
2020-03-11 21:15:30 C 07 44 57.38 +42 59 37.8 V 598
2020-03-11 21:18:17 C 07 44 57.02 +42 59 38.5 q K73
2020-03-11 21:31:52 C 07 44 56.57 +42 59 34.3 q K73
2020-03-11 21:42:23 C 07 44 56.24 +42 59 31.2 q K73
2020-03-11 21:51:03 C 07 44 55.96 +42 59 28.7 q K73
2020-03-11 23:02:03 C 07 44 54.07 +42 59 05.9 V 598
2020-03-11 23:15:48 C 07 44 53.66 +42 59 01.8 V 598
2020-03-12 02:14:40 C 07 44 52.13 +42 58 28.0 V V93
2020-03-12 02:14:40 C 07 44 52.13 +42 58 28.4 V V93
2020-03-12 04:29:51 C 07 44 47.57 +42 57 51.3 V V93
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)