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
2000-11-26 07:15:55 C 03 06 14.50 +21 33 52.3 b 691
2000-12-31 03:08:34 C 02 37 34.12 +19 38 13.2 711
2000-12-31 03:27:12 C 02 37 33.86 +19 38 11.7 711
2002-06-16 11:12:49 C 23 38 54.22 -08 33 57.7 d 291
2002-06-16 11:22:11 C 23 38 54.44 -08 33 56.0 d 291
2002-08-13 09:03:30 C 23 24 28.46 -11 11 39.6 d 291
2002-08-13 09:10:09 C 23 24 28.18 -11 11 41.5 d 291
2002-08-13 09:16:05 C 23 24 27.91 -11 11 42.8 d 291
2002-08-14 08:49:38 C 23 23 30.11 -11 17 47.9 d 291
2002-08-14 09:22:04 C 23 23 28.74 -11 17 56.2 d 291
2002-08-14 09:27:43 C 23 23 28.50 -11 17 57.6 d 291
2002-08-19 11:22:43 C 23 18 14.49 -11 49 48.5 20.2 c 644
2002-08-19 11:37:40 C 23 18 13.81 -11 49 52.3 20.1 c 644
2002-08-19 11:52:40 C 23 18 13.14 -11 49 56.2 20.1 c 644
2002-08-20 10:41:20 C 23 17 12.08 -11 55 53.5 20.0 c 644
2002-08-20 10:56:28 C 23 17 11.40 -11 55 57.6 20.1 c 644
2002-08-20 11:13:29 C 23 17 10.63 -11 56 01.8 19.6 c 644
2002-08-29 11:29:36 C 23 07 07.74 -12 51 17.8 19.9 c 644
2002-08-29 11:44:40 C 23 07 07.01 -12 51 21.7 19.7 c 644
2002-08-29 12:00:03 C 23 07 06.27 -12 51 25.1 19.8 c 644
2002-08-30 11:04:35 C 23 06 00.50 -12 57 03.7 19.7 c 644
2002-08-30 11:19:54 C 23 05 59.77 -12 57 07.6 20.2 c 644
2002-08-30 11:34:54 C 23 05 59.06 -12 57 11.1 19.5 c 644
2002-09-16 07:53:21 C 22 47 27.22 -14 20 25.2 20.1 c 644
2002-09-16 08:23:32 C 22 47 25.87 -14 20 30.0 19.9 c 644
2002-09-16 09:05:35 C 22 47 24.10 -14 20 36.5 19.9 c 644
2004-11-20 10:01:12 C 05 10 34.97 +29 28 17.9 c 691
2004-11-20 10:05:06 C 05 10 34.78 +29 28 18.1 c 691
2004-11-20 10:40:07 C 05 10 33.02 +29 28 20.5 c 691
2004-11-20 10:43:52 C 05 10 32.84 +29 28 19.2 c 691
2004-11-20 11:19:27 C 05 10 31.05 +29 28 23.2 c 691
2004-11-20 11:23:21 C 05 10 30.86 +29 28 23.4 c 691
2004-12-02 06:32:42 C 04 54 42.14 +29 40 58.9 o 704
2004-12-02 06:51:42 C 04 54 41.09 +29 41 00.4 o 704
2004-12-02 07:44:56 C 04 54 37.73 +29 41 01.1 o 704
2004-12-09 06:17:27 C 04 43 59.06 +29 39 16.9 o 704
2004-12-09 06:54:25 C 04 43 56.73 +29 39 17.9 o 704
2004-12-11 06:22:11 C 04 40 49.58 +29 37 25.1 19.5 c 704
2004-12-11 06:41:39 C 04 40 48.33 +29 37 24.5 20.1 c 704
2004-12-11 07:00:32 C 04 40 47.02 +29 37 24.8 19.7 c 704
2004-12-11 07:20:44 C 04 40 45.61 +29 37 24.1 19.8 c 704
2004-12-14 07:02:59 C 04 36 02.36 +29 33 26.8 d 703
2004-12-14 07:12:14 C 04 36 01.70 +29 33 25.9 d 703
2004-12-14 07:21:31 C 04 36 01.09 +29 33 26.1 d 703
2004-12-14 07:30:45 C 04 36 00.42 +29 33 24.4 d 703
2004-12-14 08:31:55 C 04 35 56.33 +29 33 20.5 d 703
2004-12-14 08:40:03 C 04 35 55.81 +29 33 19.9 d 703
2004-12-14 08:48:09 C 04 35 55.25 +29 33 19.3 d 703
2004-12-14 08:56:17 C 04 35 54.75 +29 33 18.6 d 703
2004-12-15 04:31:35 C 04 34 37.95 +29 32 01.5 19.3 c 704
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)