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
2019-12-29 00:42:37 C 08 58 31.80 +31 02 12.1 V Z32
2019-12-29 00:43:49 C 08 58 31.81 +31 02 12.6 V Z32
2019-12-29 00:45:04 C 08 58 31.82 +31 02 13.1 V Z32
2019-12-29 00:47:08 C 08 58 31.84 +31 02 14.0 V Z32
2019-12-29 00:49:10 C 08 58 31.87 +31 02 14.9 V Z32
2019-12-29 00:51:19 C 08 58 31.88 +31 02 15.8 V Z32
2019-12-29 00:53:53 C 08 58 31.91 +31 02 16.9 V Z32
2019-12-29 00:55:20 C 08 58 31.92 +31 02 17.4 V Z32
2019-12-29 00:56:32 C 08 58 31.94 +31 02 17.9 V Z32
2019-12-29 00:57:48 C 08 58 31.95 +31 02 18.5 V Z32
2019-12-29 00:59:48 C 08 58 31.97 +31 02 19.3 V Z32
2019-12-29 01:01:49 C 08 58 31.99 +31 02 20.2 V Z32
2019-12-29 01:04:00 C 08 58 32.01 +31 02 21.1 V Z32
2019-12-29 02:44:27 C 08 58 32.83 +31 03 01.9 V 160
2019-12-29 02:47:39 C 08 58 32.85 +31 03 03.3 V 160
2019-12-29 02:50:15 C 08 58 32.92 +31 03 03.9 V 160
2019-12-30 01:35:22 C 08 58 49.28 +31 12 38.3 q 160
2019-12-30 01:37:58 C 08 58 49.31 +31 12 40.1 q 160
2019-12-30 01:40:41 C 08 58 49.32 +31 12 40.3 q 160
2019-12-30 13:35:57 C 08 58 56.757 +31 17 51.36 U F51
2019-12-30 13:51:48 C 08 58 56.856 +31 17 58.08 U F51
2019-12-30 14:07:35 C 08 58 56.961 +31 18 04.80 U F51
2019-12-30 14:23:26 C 08 58 57.061 +31 18 11.48 U F51
2019-12-31 01:39:31 C 08 59 04.07 +31 23 00.4 V 130
2019-12-31 01:42:23 C 08 59 04.08 +31 23 01.8 V 130
2019-12-31 01:47:20 C 08 59 04.12 +31 23 03.9 V 130
2019-12-31 01:50:54 C 08 59 04.15 +31 23 05.4 V 130
2019-12-31 02:47:16 C 08 59 04.50 +31 23 30.5 V 160
2019-12-31 02:50:16 C 08 59 04.52 +31 23 31.8 V 160
2019-12-31 02:53:18 C 08 59 04.53 +31 23 33.0 V 160
2020-01-01 12:40:12 C 08 59 21.30 +31 38 43.4 V T08
2020-01-01 12:44:51 C 08 59 21.32 +31 38 45.5 V T08
2020-01-01 12:53:52 C 08 59 21.35 +31 38 49.6 V T08
2020-01-01 13:08:03 C 08 59 21.39 +31 38 56.0 V T08
2020-01-03 08:30:41 C 08 59 35.75 +31 59 05.3 V G96
2020-01-03 08:38:11 C 08 59 35.75 +31 59 09.0 V G96
2020-01-03 08:45:41 C 08 59 35.75 +31 59 12.5 V G96
2020-01-03 08:53:11 C 08 59 35.75 +31 59 16.2 V G96
2020-01-05 05:52:00 C 08 59 41.97 +32 21 10.0 V 703
2020-01-05 05:59:54 C 08 59 41.95 +32 21 14.2 V 703
2020-01-05 06:07:50 C 08 59 41.94 +32 21 18.1 V 703
2020-01-05 06:15:45 C 08 59 41.91 +32 21 22.4 V 703
2020-01-06 06:04:13 C 08 59 40.84 +32 33 22.6 u H21
2020-01-06 06:06:05 C 08 59 40.83 +32 33 23.7 u H21
2020-01-06 06:07:51 C 08 59 40.82 +32 33 24.5 u H21
2020-01-06 06:09:48 C 08 59 40.83 +32 33 25.7 u H21
2020-01-06 06:11:45 C 08 59 40.81 +32 33 26.7 u H21
2020-01-06 06:13:43 C 08 59 40.79 +32 33 27.6 u H21
2020-01-06 06:15:41 C 08 59 40.80 +32 33 28.5 u H21
2020-01-06 06:19:36 C 08 59 40.76 +32 33 30.5 u H21
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)