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
2020-04-21 16:40:33 C 09 10 22.44 +13 07 22.8 193
2020-04-21 16:41:45 C 09 10 22.79 +13 07 13.5 193
2020-04-21 16:42:18 C 09 10 22.97 +13 07 09.1 193
2020-04-21 16:42:35 C 09 10 23.06 +13 07 06.8 193
2020-04-21 16:42:55 C 09 10 23.17 +13 07 04.3 193
2020-04-21 16:43:13 C 09 10 23.25 +13 07 02.0 193
2020-04-21 16:43:46 C 09 10 23.42 +13 06 57.6 193
2020-04-21 16:44:41 C 09 10 23.70 +13 06 50.6 193
2020-04-21 16:45:15 C 09 10 23.87 +13 06 46.0 193
2020-04-21 16:46:10 C 09 10 24.15 +13 06 39.0 193
2020-04-21 16:46:26 C 09 10 24.23 +13 06 36.7 193
2020-04-21 16:47:01 C 09 10 24.41 +13 06 32.3 193
2020-04-21 16:47:21 C 09 10 24.50 +13 06 29.7 193
2020-04-21 16:47:38 C 09 10 24.60 +13 06 27.5 193
2020-04-21 16:50:18 C 09 10 25.42 +13 06 06.5 193
2020-04-21 16:52:02 C 09 10 25.95 +13 05 53.0 193
2020-04-21 17:21:59 C 09 10 35.23 +13 01 58.2 190
2020-04-21 17:22:33 C 09 10 35.42 +13 01 54.1 190
2020-04-21 17:23:07 C 09 10 35.56 +13 01 49.8 190
2020-04-21 17:23:40 C 09 10 35.75 +13 01 45.0 190
2020-04-21 17:23:45 C 09 10 39.73 +13 01 35.3 V C40
2020-04-21 17:24:12 C 09 10 35.92 +13 01 41.0 190
2020-04-21 17:24:46 C 09 10 36.10 +13 01 36.6 190
2020-04-21 17:25:09 C 09 10 40.15 +13 01 24.6 V C40
2020-04-21 17:25:29 C 09 10 36.33 +13 01 30.9 190
2020-04-21 17:26:03 C 09 10 36.49 +13 01 26.4 190
2020-04-21 17:26:37 C 09 10 36.67 +13 01 22.1 190
2020-04-21 17:27:10 C 09 10 36.84 +13 01 17.8 190
2020-04-21 17:27:14 C 09 10 40.78 +13 01 08.2 V C40
2020-04-21 17:28:17 C 09 10 37.17 +13 01 09.0 190
2020-04-21 17:28:55 C 09 10 37.37 +13 01 04.1 190
2020-04-21 17:29:29 C 09 10 37.54 +13 00 59.6 190
2020-04-21 17:30:02 C 09 10 37.73 +13 00 55.2 190
2020-04-21 17:30:35 C 09 10 37.89 +13 00 51.0 190
2020-04-21 17:31:09 C 09 10 38.06 +13 00 46.7 190
2020-04-21 17:32:32 C 09 10 38.48 +13 00 35.9 190
2020-04-21 17:33:31 C 09 10 42.69 +13 00 19.4 V C40
2020-04-21 17:33:39 C 09 10 38.83 +13 00 27.0 190
2020-04-21 17:34:12 C 09 10 39.03 +13 00 22.5 190
2020-04-21 17:34:12 C 09 10 42.90 +13 00 13.9 V C40
2020-04-21 17:34:45 C 09 10 39.19 +13 00 18.5 190
2020-04-21 17:36:04 C 09 10 39.61 +13 00 08.0 190
2020-04-21 17:36:27 C 09 10 39.75 +13 00 04.8 190
2020-04-21 17:37:14 C 09 10 39.98 +12 59 58.9 190
2020-04-21 17:37:37 C 09 10 40.09 +12 59 55.8 190
2020-04-21 17:38:00 C 09 10 40.20 +12 59 52.9 190
2020-04-21 17:38:30 C 09 10 40.38 +12 59 49.2 190
2020-04-21 17:38:53 C 09 10 40.49 +12 59 45.9 190
2020-04-21 17:38:54 C 09 10 44.34 +12 59 37.4 V C40
2020-04-21 17:39:16 C 09 10 40.62 +12 59 42.8 190
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)