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
2020-04-20 18:39:24 C 09 03 15.83 +15 48 15.3 190
2020-04-20 18:39:48 C 09 03 15.94 +15 48 12.5 190
2020-04-20 18:40:11 C 09 03 16.07 +15 48 09.8 190
2020-04-20 18:40:34 C 09 03 16.19 +15 48 07.2 190
2020-04-20 18:41:54 C 09 03 19.70 +15 47 54.9 V C40
2020-04-20 18:42:35 C 09 03 19.90 +15 47 50.1 V C40
2020-04-20 18:43:18 C 09 03 20.09 +15 47 45.2 V C40
2020-04-20 18:44:00 C 09 03 20.29 +15 47 40.3 V C40
2020-04-20 18:46:05 C 09 03 20.88 +15 47 25.6 V C40
2020-04-20 18:46:47 C 09 03 21.08 +15 47 20.8 V C40
2020-04-20 18:47:28 C 09 03 21.27 +15 47 16.1 V C40
2020-04-20 19:00:02 C 09 03 24.82 +15 45 48.2 V C40
2020-04-20 19:00:45 C 09 03 25.01 +15 45 43.2 V C40
2020-04-20 19:01:26 C 09 03 25.21 +15 45 38.4 V C40
2020-04-20 19:02:09 C 09 03 25.40 +15 45 33.6 V C40
2020-04-20 19:13:18 C 09 03 28.56 +15 44 15.4 V C40
2020-04-20 19:16:00 C 09 03 29.32 +15 43 56.4 V C40
2020-04-20 19:29:15 C 09 03 33.10 +15 42 23.3 V C40
2020-04-20 19:29:58 C 09 03 33.31 +15 42 18.4 V C40
2020-04-20 19:30:39 C 09 03 33.50 +15 42 13.5 V C40
2020-04-20 19:31:22 C 09 03 33.71 +15 42 08.5 V C40
2020-04-20 19:44:37 C 09 03 37.50 +15 40 35.2 V C40
2020-04-20 19:51:04 C 09 03 42.84 +15 39 41.2 V L65
2020-04-20 20:00:08 C 09 03 41.97 +15 38 46.0 V C40
2020-04-20 20:04:04 C 09 03 46.58 +15 38 13.5 V G33
2020-04-20 20:05:04 C 09 03 46.86 +15 38 06.8 V G33
2020-04-20 20:05:57 C 09 03 47.10 +15 38 00.5 V G33
2020-04-20 20:06:59 C 09 03 47.36 +15 37 53.0 V G33
2020-04-20 20:07:51 C 09 03 47.64 +15 37 47.1 V G33
2020-04-20 20:08:47 C 09 03 47.91 +15 37 40.4 V G33
2020-04-20 20:08:53 C 09 03 47.90 +15 37 36.6 V L65
2020-04-20 20:10:14 C 09 03 48.31 +15 37 30.2 V G33
2020-04-20 20:11:14 C 09 03 48.59 +15 37 23.4 V G33
2020-04-20 20:11:56 C 09 03 48.79 +15 37 18.4 V G33
2020-04-20 20:14:06 C 09 03 46.03 +15 37 07.4 V C40
2020-04-20 20:14:47 C 09 03 46.23 +15 37 02.4 V C40
2020-04-20 20:16:10 C 09 03 46.63 +15 36 52.7 V C40
2020-04-20 20:22:36 C 09 03 51.78 +15 36 00.4 V L65
2020-04-20 20:29:26 C 09 03 50.51 +15 35 18.8 V C40
2020-04-20 20:30:08 C 09 03 50.71 +15 35 13.9 V C40
2020-04-20 20:30:51 C 09 03 50.92 +15 35 08.9 V C40
2020-04-20 20:35:47 C 09 03 54.65 +15 34 34.6 V C47
2020-04-20 20:40:56 C 09 03 56.12 +15 33 58.3 V C47
2020-04-20 20:44:04 C 09 03 54.81 +15 33 35.4 V C40
2020-04-20 20:45:27 C 09 03 55.21 +15 33 25.4 V C40
2020-04-20 20:46:28 C 09 03 57.71 +15 33 19.2 V C47
2020-04-20 20:51:25 C 09 03 59.13 +15 32 44.3 V C47
2020-04-20 21:00:06 C 09 03 59.55 +15 31 41.4 V C40
2020-04-20 21:00:49 C 09 03 59.77 +15 31 36.5 V C40
2020-04-20 21:11:46 C 09 04 07.21 +15 30 15.2 q Z30
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)