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
2020-04-22 17:51:59 C 09 19 14.58 +09 39 25.2 190
2020-04-22 17:52:36 C 09 19 14.79 +09 39 19.7 190
2020-04-22 17:53:43 C 09 19 15.19 +09 39 09.8 190
2020-04-22 17:54:16 C 09 19 15.37 +09 39 04.9 190
2020-04-22 17:55:34 C 09 19 15.84 +09 38 53.6 190
2020-04-22 17:56:41 C 09 19 16.21 +09 38 43.8 190
2020-04-22 17:57:14 C 09 19 16.40 +09 38 38.7 190
2020-04-22 17:57:47 C 09 19 16.59 +09 38 33.9 190
2020-04-22 17:58:24 C 09 19 16.80 +09 38 28.3 12.6 190
2020-04-22 17:58:48 C 09 19 16.95 +09 38 24.5 12.6 190
2020-04-22 17:59:11 C 09 19 17.07 +09 38 21.5 12.6 190
2020-04-22 17:59:34 C 09 19 17.20 +09 38 18.1 12.5 190
2020-04-22 17:59:58 C 09 19 17.35 +09 38 14.4 12.6 190
2020-04-22 18:00:26 C 09 19 17.51 +09 38 10.1 190
2020-04-22 18:00:50 C 09 19 17.65 +09 38 06.6 190
2020-04-22 18:00:52 C 09 19 21.64 +09 37 57.2 V C40
2020-04-22 18:01:13 C 09 19 17.79 +09 38 03.4 190
2020-04-22 18:01:35 C 09 19 21.88 +09 37 50.9 V C40
2020-04-22 18:01:36 C 09 19 17.93 +09 37 59.9 190
2020-04-22 18:04:06 C 09 19 18.79 +09 37 38.0 190
2020-04-22 18:04:33 C 09 19 18.95 +09 37 33.8 190
2020-04-22 18:04:57 C 09 19 19.09 +09 37 30.3 190
2020-04-22 18:05:43 C 09 19 19.36 +09 37 23.5 190
2020-04-22 18:06:06 C 09 19 19.49 +09 37 20.1 190
2020-04-22 18:06:36 C 09 19 19.66 +09 37 15.7 190
2020-04-22 18:06:50 C 09 19 19.76 +09 37 13.8 190
2020-04-22 18:07:17 C 09 19 19.91 +09 37 09.7 190
2020-04-22 18:07:30 C 09 19 19.99 +09 37 07.7 190
2020-04-22 18:07:47 C 09 19 20.10 +09 37 05.1 190
2020-04-22 18:08:01 C 09 19 20.16 +09 37 03.0 190
2020-04-22 18:08:27 C 09 19 20.32 +09 36 59.3 190
2020-04-22 18:08:40 C 09 19 20.39 +09 36 57.3 190
2020-04-22 18:08:56 C 09 19 20.48 +09 36 54.9 190
2020-04-22 18:09:09 C 09 19 20.56 +09 36 53.0 190
2020-04-22 18:09:23 C 09 19 20.63 +09 36 50.9 190
2020-04-22 18:09:36 C 09 19 20.71 +09 36 49.2 190
2020-04-22 18:09:49 C 09 19 20.79 +09 36 47.3 190
2020-04-22 18:10:09 C 09 19 20.92 +09 36 44.1 190
2020-04-22 18:10:23 C 09 19 20.99 +09 36 42.1 190
2020-04-22 18:10:36 C 09 19 21.06 +09 36 40.0 190
2020-04-22 18:10:50 C 09 19 21.15 +09 36 38.1 190
2020-04-22 18:11:03 C 09 19 21.24 +09 36 36.2 190
2020-04-22 18:14:09 C 09 19 26.16 +09 35 59.9 V C40
2020-04-22 18:14:50 C 09 19 26.40 +09 35 53.9 V C40
2020-04-22 18:15:33 C 09 19 26.64 +09 35 47.6 V C40
2020-04-22 18:16:13 C 09 19 26.87 +09 35 41.6 V C40
2020-04-22 18:29:30 C 09 19 31.41 +09 33 44.1 V C40
2020-04-22 18:30:11 C 09 19 31.66 +09 33 38.0 V C40
2020-04-22 18:30:54 C 09 19 31.90 +09 33 31.8 V C40
2020-04-22 18:44:28 C 09 19 36.56 +09 31 31.4 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)