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
2020-04-11 17:02:48 C 08 17 40.11 +31 13 53.2 V C40
2020-04-11 17:03:09 C 08 17 40.16 +31 13 52.3 V C40
2020-04-11 17:03:32 C 08 17 40.20 +31 13 51.4 V C40
2020-04-11 17:16:17 C 08 17 41.72 +31 13 18.8 V C40
2020-04-11 17:33:10 C 08 17 43.74 +31 12 35.6 V C40
2020-04-11 17:34:02 C 08 17 43.85 +31 12 33.5 V C40
2020-04-11 17:58:14 C 08 17 46.76 +31 11 31.2 V C40
2020-04-11 17:59:07 C 08 17 46.86 +31 11 28.9 V C40
2020-04-11 17:59:59 C 08 17 46.96 +31 11 26.7 V C40
2020-04-11 18:00:50 C 08 17 47.07 +31 11 24.5 V C40
2020-04-11 18:15:33 C 08 17 48.86 +31 10 46.5 V C40
2020-04-11 18:16:24 C 08 17 48.97 +31 10 44.1 V C40
2020-04-11 18:17:15 C 08 17 49.07 +31 10 42.0 V C40
2020-04-11 18:18:07 C 08 17 49.18 +31 10 39.8 V C40
2020-04-11 18:28:28 C 08 17 50.45 +31 10 12.8 V C40
2020-04-11 18:29:20 C 08 17 50.55 +31 10 10.4 V C40
2020-04-11 18:30:12 C 08 17 50.66 +31 10 08.3 V C40
2020-04-11 18:32:30 C 08 17 52.92 +31 10 13.6 V C82
2020-04-11 18:43:55 C 08 17 54.26 +31 09 44.5 V C82
2020-04-11 18:44:34 C 08 17 52.42 +31 09 30.7 V C40
2020-04-11 18:45:26 C 08 17 52.53 +31 09 28.4 V C40
2020-04-11 18:46:18 C 08 17 52.63 +31 09 26.2 V C40
2020-04-11 18:54:38 C 08 17 55.53 +31 09 17.0 V C82
2020-04-11 18:59:17 C 08 17 54.25 +31 08 52.2 V C40
2020-04-11 19:00:09 C 08 17 54.35 +31 08 49.8 V C40
2020-04-11 19:01:01 C 08 17 54.47 +31 08 47.5 V C40
2020-04-11 19:05:20 C 08 17 56.80 +31 08 49.5 V C82
2020-04-11 19:06:54 C 08 17 57.41 +31 08 41.0 a 233
2020-04-11 19:10:56 C 08 17 57.90 +31 08 30.5 a 233
2020-04-11 19:14:51 C 08 17 56.19 +31 08 11.1 V C40
2020-04-11 19:14:58 C 08 17 58.39 +31 08 20.2 a 233
2020-04-11 19:15:43 C 08 17 56.31 +31 08 08.9 V C40
2020-04-11 19:16:35 C 08 17 56.41 +31 08 06.6 V C40
2020-04-11 19:19:00 C 08 17 58.87 +31 08 09.8 a 233
2020-04-11 19:28:23 C 08 18 00.37 +31 07 32.3 V L65
2020-04-11 19:30:25 C 08 17 58.16 +31 07 30.0 V C40
2020-04-11 19:32:53 C 08 17 59.91 +31 07 37.5 q K73
2020-04-11 19:44:43 C 08 17 59.98 +31 06 52.1 V C40
2020-04-11 19:45:34 C 08 18 00.08 +31 06 49.8 V C40
2020-04-11 19:46:26 C 08 18 00.20 +31 06 47.5 V C40
2020-04-11 19:48:12 C 08 18 01.78 +31 06 57.1 q K73
2020-04-11 19:54:08 C 08 18 03.58 +31 06 25.8 V L65
2020-04-11 19:57:36 C 08 18 02.92 +31 06 32.7 q K73
2020-04-11 19:59:25 C 08 18 01.87 +31 06 13.1 V C40
2020-04-11 20:00:45 C 08 18 04.40 +31 06 14.3 V L40
2020-04-11 20:01:08 C 08 18 02.09 +31 06 08.5 V C40
2020-04-11 20:04:33 C 08 18 04.86 +31 06 04.5 V L40
2020-04-11 20:09:28 C 08 18 04.35 +31 06 01.7 q K73
2020-04-11 20:11:36 C 08 18 05.76 +31 05 40.4 V L65
2020-04-11 20:13:24 C 08 18 06.06 +31 05 50.4 q G07
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)