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
2020-01-06 06:21:51 C 08 59 40.76 +32 33 31.8 u H21
2020-01-06 09:33:28 C 08 59 39.77 +32 35 11.1 q H45
2020-01-06 09:34:54 C 08 59 39.77 +32 35 11.8 q H45
2020-01-06 09:37:03 C 08 59 39.75 +32 35 13.0 q H45
2020-01-06 09:39:15 C 08 59 39.74 +32 35 14.3 q H45
2020-01-06 09:40:39 C 08 59 39.71 +32 35 14.8 q H45
2020-01-06 09:43:37 C 08 59 39.72 +32 35 16.4 q H45
2020-01-06 21:08:11 C 08 59 39.28 +32 41 04.3 V K83
2020-01-06 21:10:59 C 08 59 39.27 +32 41 06.0 V K83
2020-01-06 21:17:21 C 08 59 39.24 +32 41 09.0 V K83
2020-01-06 23:00:02 C 08 59 38.76 +32 42 01.8 V Z80
2020-01-06 23:02:32 C 08 59 38.73 +32 42 03.1 V Z80
2020-01-06 23:05:02 C 08 59 38.75 +32 42 04.6 V Z80
2020-01-06 23:07:32 C 08 59 38.72 +32 42 05.9 V Z80
2020-01-06 23:10:03 C 08 59 38.66 +32 42 06.9 V Z80
2020-01-06 23:12:42 C 08 59 38.68 +32 42 08.5 V Z80
2020-01-07 00:39:36 C 08 59 38.09 +32 42 56.5 V 160
2020-01-07 00:42:35 C 08 59 38.07 +32 42 58.0 V 160
2020-01-07 00:45:34 C 08 59 38.05 +32 42 59.7 V 160
2020-01-07 09:34:54 C 08 59 35.84 +32 47 37.5 q H45
2020-01-07 09:36:21 C 08 59 35.83 +32 47 38.1 q H45
2020-01-07 09:38:21 C 08 59 35.82 +32 47 39.1 q H45
2020-01-09 00:19:28 C 08 59 24.25 +33 08 13.5 V 160
2020-01-09 00:22:01 C 08 59 24.22 +33 08 14.8 V 160
2020-01-09 00:24:42 C 08 59 24.18 +33 08 16.1 V 160
2020-01-09 05:48:43 C 08 59 22.18 +33 11 12.8 u H21
2020-01-09 05:50:41 C 08 59 22.15 +33 11 13.6 u H21
2020-01-09 05:52:33 C 08 59 22.15 +33 11 14.8 u H21
2020-01-09 05:54:30 C 08 59 22.14 +33 11 15.6 u H21
2020-01-12 00:24:59 C 08 58 41.74 +33 48 25.2 V 160
2020-01-12 00:27:59 C 08 58 41.69 +33 48 26.9 V 160
2020-01-12 00:31:00 C 08 58 41.64 +33 48 28.6 V 160
2020-01-14 07:30:59 C 08 57 50.88 +34 20 39.2 u H21
2020-01-14 07:32:57 C 08 57 50.85 +34 20 40.4 u H21
2020-01-14 07:34:55 C 08 57 50.78 +34 20 41.7 u H21
2020-01-14 07:36:52 C 08 57 50.76 +34 20 42.5 u H21
2020-01-14 07:38:50 C 08 57 50.71 +34 20 43.9 u H21
2020-01-14 07:40:48 C 08 57 50.67 +34 20 45.0 u H21
2020-01-14 07:42:45 C 08 57 50.63 +34 20 46.2 u H21
2020-01-14 07:44:43 C 08 57 50.58 +34 20 47.5 u H21
2020-01-14 07:46:41 C 08 57 50.54 +34 20 48.4 u H21
2020-01-14 07:48:38 C 08 57 50.51 +34 20 49.6 u H21
2020-01-14 07:50:36 C 08 57 50.46 +34 20 50.8 u H21
2020-01-14 07:52:33 C 08 57 50.41 +34 20 51.8 u H21
2020-01-14 07:54:42 C 08 57 50.36 +34 20 53.2 u H21
2020-01-15 20:26:22 C 08 57 08.59 +34 42 47.1 V C23
2020-01-15 20:31:19 C 08 57 08.46 +34 42 50.5 V C23
2020-01-15 20:37:15 C 08 57 08.34 +34 42 54.0 V C23
2020-01-16 21:54:06 C 08 56 34.21 +34 58 26.4 V C23
2020-01-16 21:59:51 C 08 56 34.08 +34 58 30.0 V C23
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)