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
2020-01-26 11:21:59 C 08 48 38.56 +37 26 22.0 V T08
2020-01-26 11:27:23 C 08 48 38.28 +37 26 25.4 V T08
2020-01-26 11:36:48 C 08 48 37.79 +37 26 31.5 V T08
2020-01-26 11:44:22 S 08 49 47.698 +37 35 21.84 V C57
2020-01-26 11:52:46 C 08 48 36.95 +37 26 41.9 V T08
2020-01-26 12:14:22 S 08 49 46.193 +37 35 44.30 V C57
2020-01-26 12:44:22 S 08 49 44.734 +37 36 06.52 V C57
2020-01-26 13:14:22 S 08 49 43.258 +37 36 28.87 V C57
2020-01-26 13:44:22 S 08 49 41.743 +37 36 51.52 V C57
2020-01-26 14:14:22 S 08 49 40.310 +37 37 13.19 V C57
2020-01-26 14:44:22 S 08 49 38.750 +37 37 35.80 V C57
2020-01-26 14:44:22 s 1 -10922.433 0 +402130.97 4680.0 C57
2020-01-26 15:14:22 S 08 49 37.306 +37 37 58.08 V C57
2020-01-26 15:14:22 s 1 -11957.957 0 +402506.68 10.0 C57
2020-01-26 15:44:22 S 08 49 35.868 +37 38 19.93 V C57
2020-01-26 15:44:22 s 1 -12993.383 0 +402874.50 3130.0 C57
2020-01-26 16:14:22 S 08 49 34.366 +37 38 42.00 V C57
2020-01-26 16:14:22 s 1 -14028.691 0 +403234.46 4100.0 C57
2020-01-26 16:44:22 S 08 49 32.866 +37 39 04.36 V C57
2020-01-26 16:44:22 s 1 -15063.862 0 +403586.56 2930.0 C57
2020-01-26 17:14:22 S 08 49 31.368 +37 39 26.75 V C57
2020-01-26 17:14:22 s 1 -16098.876 0 +403930.82 9660.0 C57
2020-01-26 17:44:22 S 08 49 29.887 +37 39 48.60 V C57
2020-01-26 17:44:22 s 1 -17133.714 0 +404267.26 4340.0 C57
2020-01-26 18:14:22 S 08 49 28.363 +37 40 10.78 V C57
2020-01-26 18:14:22 s 1 -18168.357 0 +404595.89 6980.0 C57
2020-01-26 18:44:22 S 08 49 26.810 +37 40 32.92 V C57
2020-01-26 18:44:22 s 1 -19202.787 0 +404916.73 7640.0 C57
2020-01-26 19:14:22 S 08 49 25.344 +37 40 54.98 V C57
2020-01-26 19:14:22 s 1 -20236.983 0 +405229.79 6330.0 C57
2020-01-26 19:25:01 C 08 48 17.80 +37 31 25.6 V 108
2020-01-26 19:27:17 C 08 48 17.69 +37 31 27.3 V 108
2020-01-26 19:27:45 C 08 48 17.66 +37 31 27.5 V 108
2020-01-26 19:35:02 C 08 48 17.31 +37 31 32.6 V 108
2020-01-26 19:37:18 C 08 48 17.21 +37 31 34.2 V 108
2020-01-26 19:37:45 C 08 48 17.19 +37 31 34.4 V 108
2020-01-26 19:39:33 C 08 48 17.10 +37 31 35.8 V 108
2020-01-26 19:44:22 S 08 49 23.854 +37 41 17.45 V C57
2020-01-26 19:44:22 s 1 -21270.928 0 +405535.08 3090.0 C57
2020-01-26 20:14:22 S 08 49 22.327 +37 41 39.30 V C57
2020-01-26 20:14:22 s 1 -22304.603 0 +405832.63 7960.0 C57
2020-01-26 20:44:22 S 08 49 20.837 +37 42 01.48 V C57
2020-01-26 20:44:22 s 1 -23337.989 0 +406122.44 970.0 C57
2020-01-26 21:14:22 S 08 49 19.308 +37 42 23.54 V C57
2020-01-26 21:14:22 s 1 -24371.067 0 +406404.53 2150.0 C57
2020-01-26 21:44:22 S 08 49 17.806 +37 42 45.29 V C57
2020-01-26 21:44:22 s 1 -25403.820 0 +406678.92 1540.0 C57
2020-01-26 22:14:22 S 08 49 16.274 +37 43 07.10 V C57
2020-01-26 22:14:22 s 1 -26436.228 0 +406945.60 9160.0 C57
2020-01-26 22:44:22 S 08 49 14.741 +37 43 29.57 V C57
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)