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
2020-04-19 20:17:11 C 08 56 43.01 +18 14 04.1 V C40
2020-04-19 20:18:31 C 08 56 46.62 +18 13 55.5 V K85
2020-04-19 20:20:35 C 08 56 47.02 +18 13 37.7 V L65
2020-04-19 20:20:44 C 08 56 47.01 +18 13 44.1 V L40
2020-04-19 20:29:04 C 08 56 46.16 +18 12 49.7 V C40
2020-04-19 20:29:44 C 08 56 46.35 +18 12 45.3 V C40
2020-04-19 20:30:27 C 08 56 46.54 +18 12 40.9 V C40
2020-04-19 20:40:56 C 08 56 49.32 +18 11 35.1 V C40
2020-04-19 20:42:19 C 08 56 49.71 +18 11 26.2 V C40
2020-04-19 20:44:25 C 08 56 50.26 +18 11 13.0 V C40
2020-04-19 20:44:50 C 08 56 53.30 +18 11 06.7 V L65
2020-04-19 21:32:49 C 08 57 07.02 +18 06 08.1 q Z30
2020-04-19 21:49:26 C 08 57 11.37 +18 04 24.1 q Z30
2020-04-19 21:55:28 n 08 57 12.70 +18 03 45.7 q Z92
2020-04-19 22:10:28 n 08 57 16.66 +18 02 11.4 q Z92
2020-04-19 22:15:59 C 08 57 18.36 +18 01 37.1 q Z30
2020-04-19 22:25:31 n 08 57 20.67 +18 00 36.3 q Z92
2020-04-19 22:46:05 n 08 57 26.16 +17 58 26.5 q Z92
2020-04-19 23:00:30 n 08 57 30.05 +17 56 55.1 q Z92
2020-04-20 01:37:50 C 08 58 18.94 +17 41 04.8 V V93
2020-04-20 02:10:43 C 08 58 27.32 +17 37 35.6 V V93
2020-04-20 02:50:59 C 08 58 37.68 +17 33 17.4 V V93
2020-04-20 04:01:03 C 08 58 57.80 +17 26 09.6 V 703
2020-04-20 04:09:10 C 08 58 59.87 +17 25 17.1 V 703
2020-04-20 04:17:17 C 08 59 01.95 +17 24 24.3 V 703
2020-04-20 04:25:24 C 08 59 04.05 +17 23 31.7 V 703
2020-04-20 06:29:33 C 08 59 41.90 +17 10 41.6 V T05
2020-04-20 06:37:25 C 08 59 43.89 +17 09 50.2 V T05
2020-04-20 06:41:27 C 08 59 44.91 +17 09 23.8 V T05
2020-04-20 06:55:41 C 08 59 48.54 +17 07 50.4 V T05
2020-04-20 18:29:15 C 09 03 12.91 +15 49 26.6 190
2020-04-20 18:29:38 C 09 03 13.02 +15 49 23.9 190
2020-04-20 18:30:02 C 09 03 13.13 +15 49 21.2 190
2020-04-20 18:30:25 C 09 03 13.23 +15 49 18.5 190
2020-04-20 18:30:48 C 09 03 13.34 +15 49 15.8 190
2020-04-20 18:31:35 C 09 03 13.56 +15 49 10.2 190
2020-04-20 18:31:58 C 09 03 13.68 +15 49 07.5 190
2020-04-20 18:32:22 C 09 03 13.79 +15 49 04.8 190
2020-04-20 18:33:24 C 09 03 14.10 +15 48 57.5 190
2020-04-20 18:34:10 C 09 03 14.32 +15 48 52.2 190
2020-04-20 18:34:33 C 09 03 14.43 +15 48 49.3 190
2020-04-20 18:34:56 C 09 03 14.55 +15 48 46.6 190
2020-04-20 18:35:20 C 09 03 14.66 +15 48 43.9 190
2020-04-20 18:35:43 C 09 03 14.78 +15 48 41.1 190
2020-04-20 18:36:06 C 09 03 14.89 +15 48 38.5 190
2020-04-20 18:36:30 C 09 03 15.00 +15 48 35.8 190
2020-04-20 18:37:03 C 09 03 15.15 +15 48 31.8 190
2020-04-20 18:37:28 C 09 03 15.28 +15 48 28.8 190
2020-04-20 18:38:14 C 09 03 15.52 +15 48 23.3 190
2020-04-20 18:39:01 C 09 03 15.73 +15 48 18.0 190
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)