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
2020-01-20 12:47:41 C 08 54 08.10 +35 53 16.0 V G96
2020-01-20 18:02:45 C 08 54 00.10 +35 56 43.8 15.8 q C97
2020-01-20 18:04:55 C 08 54 00.02 +35 56 45.4 15.8 q C97
2020-01-20 18:07:06 C 08 53 59.94 +35 56 46.9 15.9 q C97
2020-01-20 18:09:18 C 08 53 59.86 +35 56 48.3 15.8 q C97
2020-01-20 22:59:59 C 08 53 49.94 +35 59 48.4 V Z80
2020-01-20 23:16:21 C 08 53 49.31 +35 59 59.0 V Z80
2020-01-20 23:33:01 C 08 53 48.69 +36 00 09.9 V Z80
2020-01-20 23:49:41 C 08 53 48.06 +36 00 20.0 V Z80
2020-01-21 00:02:00 C 08 53 47.68 +36 00 29.7 V Z80
2020-01-21 10:24:03 C 08 53 26.94 +36 07 20.1 V T08
2020-01-21 10:29:17 C 08 53 26.73 +36 07 23.6 V T08
2020-01-21 10:37:28 C 08 53 26.41 +36 07 28.9 V T08
2020-01-21 10:53:13 C 08 53 25.77 +36 07 39.2 V T08
2020-01-22 07:40:07 C 08 52 41.74 +36 21 00.5 u H21
2020-01-22 07:42:05 C 08 52 41.66 +36 21 01.7 u H21
2020-01-22 07:44:03 C 08 52 41.57 +36 21 03.0 u H21
2020-01-22 07:46:00 C 08 52 41.50 +36 21 04.2 u H21
2020-01-22 07:47:58 C 08 52 41.42 +36 21 05.6 u H21
2020-01-22 07:49:56 C 08 52 41.34 +36 21 06.6 u H21
2020-01-22 07:51:53 C 08 52 41.25 +36 21 08.0 u H21
2020-01-22 07:53:51 C 08 52 41.18 +36 21 09.1 u H21
2020-01-22 07:55:49 C 08 52 41.10 +36 21 10.4 u H21
2020-01-22 07:57:46 C 08 52 41.03 +36 21 11.5 u H21
2020-01-22 07:59:44 C 08 52 40.94 +36 21 13.0 u H21
2020-01-22 08:01:42 C 08 52 40.85 +36 21 14.2 u H21
2020-01-22 08:03:39 C 08 52 40.77 +36 21 15.5 u H21
2020-01-22 08:05:37 C 08 52 40.70 +36 21 16.6 u H21
2020-01-22 08:07:35 C 08 52 40.62 +36 21 18.0 u H21
2020-01-22 08:09:32 C 08 52 40.54 +36 21 19.2 u H21
2020-01-22 08:11:17 C 08 52 40.47 +36 21 20.4 u H21
2020-01-22 08:14:22 S 08 53 24.338 +36 19 45.01 V C57
2020-01-22 08:14:22 s 1 +145528.95 1 +108270.62 5410.0 C57
2020-01-22 08:44:22 S 08 53 23.880 +36 20 07.08 V C57
2020-01-22 08:44:22 s 1 +145752.96 2 +111219.50 7010.0 C57
2020-01-22 09:14:22 S 08 53 23.246 +36 20 30.55 V C57
2020-01-22 09:14:22 s 1 +145947.33 3 +114145.84 4480.0 C57
2020-01-22 09:41:57 C 08 52 38.205 +36 22 24.26 U F52
2020-01-22 09:44:22 S 08 53 22.757 +36 20 52.80 V C57
2020-01-22 09:44:22 s 1 +146112.93 8 +117049.75 9240.0 C57
2020-01-22 09:58:57 C 08 52 37.497 +36 22 36.47 U F52
2020-01-22 10:14:22 S 08 53 22.126 +36 21 15.41 V C57
2020-01-22 10:14:22 s 1 +146250.61 5 +119931.37 2630.0 C57
2020-01-22 10:33:10 C 08 52 35.981 +36 22 58.35 U F52
2020-01-22 10:44:22 S 08 53 21.598 +36 21 38.02 V C57
2020-01-22 10:44:22 s 1 +146361.17 0 +122790.82 5970.0 C57
2020-01-22 11:14:22 S 08 53 21.010 +36 22 00.59 V C57
2020-01-22 11:14:22 s 1 +146445.38 0 +125628.24 500.0 C57
2020-01-22 11:44:22 S 08 53 20.340 +36 22 23.66 V C57
2020-01-22 11:44:22 s 1 +146503.98 9 +128443.79 7450.0 C57
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)