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
2009-07-09 03:04:06 C 19 32 18.19 -38 05 20.8 r I21
2009-07-12 02:12:51 C 19 27 33.34 -37 54 02.5 r I21
2009-07-12 02:24:06 C 19 27 32.57 -37 54 00.5 r I21
2009-07-12 02:32:03 C 19 27 32.01 -37 53 59.5 r I21
2009-07-12 04:26:30 C 19 27 24.26 -37 53 39.7 r 808
2009-07-12 04:36:29 C 19 27 23.64 -37 53 38.1 r 808
2009-07-12 04:46:30 C 19 27 22.87 -37 53 36.1 r 808
2009-07-17 02:24:01 C 19 20 23.63 -37 29 14.3 r I21
2009-07-17 02:28:47 C 19 20 23.27 -37 29 13.3 r I21
2009-07-17 02:35:00 C 19 20 22.96 -37 29 11.1 r I21
2009-07-19 13:32:40 C 19 17 18.34 -37 14 50.7 r E12
2009-07-19 13:43:18 C 19 17 17.77 -37 14 48.1 r E12
2009-07-19 13:53:55 C 19 17 17.19 -37 14 45.4 r E12
2009-07-19 14:04:31 C 19 17 16.62 -37 14 42.5 r E12
2009-07-19 14:15:01 C 19 17 16.08 -37 14 40.0 r E12
2009-07-24 01:24:23 C 19 12 30.03 -36 45 41.6 r I21
2009-07-24 02:26:55 C 19 12 27.29 -36 45 24.9 r I21
2009-07-27 08:46:43 C 19 09 38.83 -36 22 26.3 r 432
2009-07-27 09:03:22 C 19 09 38.19 -36 22 22.2 r 432
2009-07-27 09:13:43 C 19 09 37.84 -36 22 19.1 r 432
2009-07-28 09:55:42 C 19 08 51.54 -36 14 52.0 r 432
2009-07-28 10:03:29 C 19 08 51.30 -36 14 49.4 r 432
2009-07-28 10:11:18 C 19 08 51.00 -36 14 47.1 r 432
2009-08-09 03:27:59 C 19 03 49.74 -34 46 03.2 r 808
2009-08-09 03:37:29 C 19 03 49.70 -34 46 00.1 r 808
2009-08-09 03:50:30 C 19 03 49.57 -34 45 55.7 r 808
2010-09-11 05:58:53 C 00 59 13.02 +03 28 05.1 o 691
2010-09-11 06:24:18 C 00 59 12.22 +03 28 00.5 o 691
2010-09-11 06:49:41 C 00 59 11.35 +03 27 56.5 o 691
2010-09-15 06:07:07 C 00 56 02.43 +03 10 01.4 o 691
2010-09-15 06:57:55 C 00 56 00.66 +03 09 50.7 o 691
2010-10-01 05:47:57 C 00 42 00.07 +01 51 44.2 r G96
2010-10-01 05:55:52 C 00 41 59.74 +01 51 42.5 r G96
2010-10-01 06:04:21 C 00 41 59.38 +01 51 40.7 r G96
2010-10-01 06:15:15 C 00 41 58.99 +01 51 38.0 r G96
2010-10-04 03:36:36 C 00 39 20.78 +01 37 14.5 o 691
2010-10-04 04:02:02 C 00 39 19.82 +01 37 10.0 o 691
2010-10-09 04:35:51 C 00 34 46.80 +01 12 41.1 o 691
2010-10-09 05:11:16 C 00 34 45.46 +01 12 33.9 o 691
2010-10-09 05:41:42 C 00 34 44.29 +01 12 27.9 o 691
2011-10-24 06:27:34 C 03 17 39.38 +20 59 21.4 o 691
2011-10-24 06:53:11 C 03 17 38.35 +20 59 19.1 o 691
2011-10-24 07:18:48 C 03 17 37.29 +20 59 16.7 o 691
2011-10-24 12:56:05 C 03 17 23.899 +20 58 46.91 L F51
2011-10-24 13:40:00 C 03 17 22.120 +20 58 42.82 L F51
2011-10-24 14:01:53 C 03 17 21.243 +20 58 40.69 L F51
2011-11-01 06:59:45 C 03 09 35.47 +20 39 05.3 o 691
2011-11-01 07:25:22 C 03 09 34.34 +20 39 02.5 o 691
2011-11-01 07:50:59 C 03 09 33.19 +20 38 58.6 o 691
2011-11-17 06:33:33 C 02 51 55.40 +19 43 57.0 r G96
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)