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
2011-11-17 06:43:31 C 02 51 54.93 +19 43 55.4 r G96
2011-11-17 06:53:27 C 02 51 54.46 +19 43 53.6 r G96
2011-11-17 07:03:25 C 02 51 54.03 +19 43 52.3 r G96
2011-12-31 03:19:37 C 02 18 13.53 +17 21 09.6 r G96
2011-12-31 03:29:32 C 02 18 13.46 +17 21 09.1 r G96
2011-12-31 03:39:34 C 02 18 13.32 +17 21 08.2 r G96
2011-12-31 03:49:33 C 02 18 13.21 +17 21 08.0 r G96
2013-07-12 09:13:48 C 23 26 32.01 -11 31 23.8 V G45
2013-07-12 09:44:55 C 23 26 31.53 -11 31 28.5 V G45
2013-07-12 10:04:23 C 23 26 31.24 -11 31 31.6 V G45
2013-07-12 10:50:32 C 23 26 30.59 -11 31 39.3 V G45
2013-07-31 07:59:46 C 23 14 51.91 -13 08 17.5 V G45
2013-07-31 08:23:49 C 23 14 51.00 -13 08 23.5 V G45
2013-07-31 09:22:40 C 23 14 48.72 -13 08 39.2 V G45
2013-07-31 10:05:51 C 23 14 47.06 -13 08 50.0 V G45
2013-07-31 10:29:29 C 23 14 46.18 -13 08 56.2 V G45
2013-08-10 15:59:31 C 23 04 25.76 -14 15 33.2 u Q61
2013-08-10 16:04:28 C 23 04 25.52 -14 15 34.6 u Q61
2013-08-10 16:09:24 C 23 04 25.28 -14 15 36.0 u Q61
2013-08-10 16:14:20 C 23 04 25.04 -14 15 37.5 u Q61
2013-08-10 16:19:20 C 23 04 24.80 -14 15 38.9 u Q61
2013-08-24 15:59:17 C 22 47 41.06 -15 45 19.4 u Q61
2013-08-24 16:03:13 C 22 47 40.86 -15 45 20.8 u Q61
2013-08-24 16:06:39 C 22 47 40.68 -15 45 21.8 u Q61
2013-08-24 16:10:20 C 22 47 40.46 -15 45 22.4 u Q61
2013-08-24 16:14:00 C 22 47 40.29 -15 45 23.5 u Q61
2013-08-26 06:37:40 C 22 45 41.25 -15 54 42.4 r Y00
2013-08-26 06:45:53 C 22 45 40.89 -15 54 46.1 r Y00
2013-08-26 06:57:29 C 22 45 40.29 -15 54 49.0 r Y00
2013-08-30 10:00:43 C 22 40 35.997 -16 17 31.40 L F51
2013-08-30 10:16:13 C 22 40 35.189 -16 17 34.77 L F51
2013-08-31 09:52:57 C 22 39 23.409 -16 22 38.96 L F51
2013-08-31 10:13:50 C 22 39 22.319 -16 22 43.37 L F51
2013-08-31 10:55:30 C 22 39 20.154 -16 22 52.17 L F51
2013-09-01 06:17:03 C 22 38 21.80 -16 26 54.5 q 703
2013-09-01 06:30:22 C 22 38 21.09 -16 26 59.3 q 703
2013-09-01 06:43:52 C 22 38 20.40 -16 27 01.0 q 703
2013-09-01 06:57:19 C 22 38 19.64 -16 27 03.9 q 703
2013-09-01 14:39:56 C 22 37 56.51 -16 28 39.6 q D29
2013-09-01 14:41:21 C 22 37 56.51 -16 28 39.7 q D29
2013-09-01 15:05:42 C 22 37 55.17 -16 28 44.8 q D29
2013-09-01 15:07:07 C 22 37 55.16 -16 28 45.0 q D29
2013-09-01 15:31:28 C 22 37 53.85 -16 28 50.3 q D29
2013-09-01 15:32:54 C 22 37 53.84 -16 28 50.3 q D29
2013-10-06 07:24:20 C 22 07 50.207 -17 39 39.78 L F51
2013-10-06 07:44:51 C 22 07 49.813 -17 39 39.12 L F51
2014-09-19 10:11:17 C 01 43 21.486 +09 35 45.09 L F51
2014-09-19 10:20:09 C 01 43 21.232 +09 35 43.93 L F51
2014-09-19 10:27:20 C 01 43 21.007 +09 35 42.94 L F51
2014-09-19 10:36:14 C 01 43 20.738 +09 35 41.44 L F51
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)