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
2015-12-06 06:31:45 C 04 10 48.70 +27 26 41.0 N I41
2015-12-07 05:35:03 C 04 09 24.71 +27 24 28.2 N I41
2015-12-07 06:37:07 C 04 09 20.83 +27 24 22.3 N I41
2015-12-08 04:42:25 C 04 08 00.63 +27 22 09.0 q 703
2015-12-08 04:48:57 C 04 08 00.27 +27 22 07.4 q 703
2015-12-08 04:55:27 C 04 07 59.81 +27 22 06.3 q 703
2015-12-08 05:01:58 C 04 07 59.38 +27 22 06.9 q 703
2015-12-16 06:33:14 C 03 56 33.516 +26 59 02.61 L F51
2015-12-16 06:34:18 C 03 56 33.463 +26 59 02.71 L F51
2015-12-16 06:51:08 C 03 56 32.472 +26 59 00.32 L F51
2015-12-16 06:52:13 C 03 56 32.412 +26 59 00.28 L F51
2015-12-16 07:09:12 C 03 56 31.430 +26 58 58.01 L F51
2015-12-16 07:10:16 C 03 56 31.366 +26 58 58.02 L F51
2015-12-16 07:28:10 C 03 56 30.320 +26 58 55.71 L F51
2016-01-13 02:38:38 C 03 29 22.42 +25 26 28.3 R G45
2016-01-13 02:45:31 C 03 29 22.25 +25 26 28.0 R G45
2016-01-13 02:55:45 C 03 29 22.03 +25 26 27.0 R G45
2016-01-13 03:04:20 C 03 29 21.82 +25 26 25.4 R G45
2016-02-13 03:46:39 C 03 31 58.66 +24 56 49.5 q G96
2016-02-13 03:55:24 C 03 31 58.90 +24 56 49.7 q G96
2016-02-13 04:04:10 C 03 31 59.07 +24 56 50.0 q G96
2016-02-25 02:49:15 C 03 41 35.65 +25 13 06.0 o 691
2016-02-25 02:57:01 C 03 41 35.97 +25 13 06.7 o 691
2016-02-25 03:04:46 C 03 41 36.27 +25 13 07.0 o 691
2016-03-01 02:59:40 C 03 46 49.99 +25 23 21.8 o 691
2016-03-01 03:07:35 C 03 46 50.39 +25 23 23.0 o 691
2016-03-01 03:15:30 C 03 46 50.77 +25 23 23.6 o 691
2016-03-02 02:43:26 C 03 47 56.91 +25 25 34.9 o 691
2016-03-02 02:51:06 C 03 47 57.31 +25 25 36.1 o 691
2016-03-02 02:58:44 C 03 47 57.69 +25 25 37.2 o 691
2017-08-20 12:52:52 C 00 17 17.767 -03 12 29.00 L F51
2017-08-20 13:29:07 C 00 17 16.625 -03 12 36.22 L F51
2017-08-20 13:47:14 C 00 17 16.060 -03 12 39.94 L F51
2017-08-22 11:36:11 C 00 15 50.346 -03 21 58.98 L F51
2017-08-22 11:52:18 C 00 15 49.813 -03 22 02.22 L F51
2017-08-22 12:08:25 C 00 15 49.290 -03 22 05.53 L F51
2017-08-22 12:24:33 C 00 15 48.747 -03 22 08.74 L F51
2017-08-31 11:58:25 C 00 08 16.731 -04 09 25.50 L F51
2017-08-31 12:16:54 C 00 08 16.014 -04 09 29.76 L F51
2017-08-31 12:35:22 C 00 08 15.302 -04 09 33.93 L F51
2017-08-31 12:53:53 C 00 08 14.588 -04 09 38.24 L F51
2017-09-14 09:58:59 C 23 54 52.137 -05 27 29.87 L F51
2017-09-14 10:16:14 C 23 54 51.396 -05 27 33.95 L F51
2017-09-14 10:33:25 C 23 54 50.665 -05 27 37.89 L F51
2017-09-14 10:50:35 C 23 54 49.931 -05 27 41.90 L F51
2017-09-17 09:13:07 C 23 51 53.757 -05 43 48.81 L F51
2017-09-17 09:29:58 C 23 51 53.032 -05 43 52.65 L F51
2017-09-17 09:46:51 C 23 51 52.311 -05 43 56.52 L F51
2017-09-17 10:03:46 C 23 51 51.593 -05 44 00.24 L F51
2017-09-18 06:24:46 C 23 51 00.68 -05 48 35.3 o 691
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)