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
2020-04-24 17:58:17 C 09 39 04.99 +01 44 07.4 190
2020-04-24 17:59:29 C 09 39 09.87 +01 43 39.8 V C40
2020-04-24 18:00:08 C 09 39 10.15 +01 43 32.6 V C40
2020-04-24 18:00:48 C 09 39 10.43 +01 43 25.5 V C40
2020-04-24 18:01:27 C 09 39 10.71 +01 43 18.3 V C40
2020-04-24 18:04:06 C 09 39 07.42 +01 43 03.6 190
2020-04-24 18:04:29 C 09 39 07.61 +01 42 59.4 190
2020-04-24 18:04:52 C 09 39 07.77 +01 42 54.8 190
2020-04-24 18:05:16 C 09 39 07.94 +01 42 50.6 190
2020-04-24 18:06:41 C 09 39 08.54 +01 42 35.0 190
2020-04-24 18:07:05 C 09 39 08.70 +01 42 30.7 190
2020-04-24 18:07:29 C 09 39 08.87 +01 42 26.8 190
2020-04-24 18:08:46 C 09 39 09.43 +01 42 12.4 190
2020-04-24 18:09:09 C 09 39 09.58 +01 42 08.4 190
2020-04-24 18:09:33 C 09 39 09.79 +01 42 03.3 190
2020-04-24 18:09:57 C 09 39 09.97 +01 41 59.2 190
2020-04-24 18:15:34 C 09 39 16.65 +01 40 42.8 V C40
2020-04-24 18:16:13 C 09 39 16.92 +01 40 35.6 V C40
2020-04-24 18:30:34 C 09 39 22.97 +01 37 57.2 V C40
2020-04-24 19:00:34 C 09 39 39.75 +01 32 28.6 a 233
2020-04-24 19:00:35 C 09 39 35.71 +01 32 25.7 V C40
2020-04-24 19:01:14 C 09 39 35.99 +01 32 18.5 V C40
2020-04-24 19:01:30 C 09 39 40.14 +01 32 18.2 a 233
2020-04-24 19:02:35 C 09 39 40.60 +01 32 06.1 a 233
2020-04-24 19:04:03 C 09 39 41.23 +01 31 49.8 a 233
2020-04-24 19:07:14 C 09 39 42.55 +01 31 14.6 a 233
2020-04-24 19:08:11 C 09 39 42.95 +01 31 04.2 a 233
2020-04-24 19:14:49 C 09 39 44.76 +01 29 58.0 q K73
2020-04-24 19:14:57 C 09 39 41.83 +01 29 46.8 V C40
2020-04-24 19:16:15 C 09 39 42.40 +01 29 32.4 V C40
2020-04-24 19:30:37 C 09 39 48.56 +01 26 53.2 V C40
2020-04-24 19:30:40 C 09 39 51.72 +01 27 03.4 V C82
2020-04-24 19:31:24 C 09 39 51.72 +01 26 54.7 q K73
2020-04-24 19:38:58 C 09 39 56.60 +01 25 11.9 V L40
2020-04-24 19:44:10 C 09 39 59.09 +01 24 10.6 V C23
2020-04-24 19:44:11 C 09 39 57.09 +01 24 33.2 q K73
2020-04-24 19:44:57 C 09 39 54.74 +01 24 14.3 V C40
2020-04-24 19:46:07 C 09 39 59.64 +01 23 52.3 V L40
2020-04-24 19:46:15 C 09 39 55.30 +01 23 59.8 V C40
2020-04-24 19:53:05 C 09 40 02.69 +01 22 47.8 V K22
2020-04-24 19:58:08 C 09 40 03.01 +01 21 58.4 q K73
2020-04-24 19:59:59 C 09 40 01.25 +01 21 27.5 V C40
2020-04-24 20:00:11 C 09 40 04.15 +01 21 36.2 V C82
2020-04-24 20:00:38 C 09 40 01.52 +01 21 20.2 V C40
2020-04-24 20:01:17 C 09 40 01.82 +01 21 13.0 V C40
2020-04-24 20:06:20 C 09 40 08.28 +01 20 20.9 V K22
2020-04-24 20:07:27 C 09 40 09.03 +01 19 52.2 V C23
2020-04-24 20:09:29 C 09 40 07.78 +01 19 52.8 q K73
2020-04-24 20:12:21 C 09 40 11.01 +01 18 58.2 V K85
2020-04-24 20:16:56 C 09 40 08.63 +01 18 19.0 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)