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
2020-01-24 01:44:22 S 08 52 15.401 +36 51 30.46 V C57
2020-01-24 01:44:22 s 1 +108131.44 8 +289579.44 330.0 C57
2020-01-24 02:14:22 S 08 52 14.383 +36 51 53.57 V C57
2020-01-24 02:14:22 s 1 +107305.04 3 +291127.60 4850.0 C57
2020-01-24 02:44:22 S 08 52 13.327 +36 52 16.86 V C57
2020-01-24 02:44:22 s 1 +106473.96 3 +292663.39 8030.0 C57
2020-01-24 03:14:22 S 08 52 12.257 +36 52 39.58 V C57
2020-01-24 03:14:22 s 1 +105638.29 0 +294186.87 40.0 C57
2020-01-24 03:44:22 S 08 52 11.191 +36 53 02.11 V C57
2020-01-24 03:44:22 s 1 +104798.10 9 +295698.12 1030.0 C57
2020-01-24 04:14:22 S 08 52 10.054 +36 53 25.40 V C57
2020-01-24 04:14:22 s 1 +103953.50 1 +297197.20 1170.0 C57
2020-01-24 04:44:22 S 08 52 08.983 +36 53 48.66 V C57
2020-01-24 04:44:22 s 1 +103104.54 7 +298684.19 600.0 C57
2020-01-24 05:14:22 S 08 52 07.867 +36 54 11.59 V C57
2020-01-24 05:14:22 s 1 +102251.32 4 +300159.16 9470.0 C57
2020-01-24 05:44:22 S 08 52 06.792 +36 54 34.09 V C57
2020-01-24 05:44:22 s 1 +101393.91 0 +301622.16 7920.0 C57
2020-01-24 06:14:22 S 08 52 05.726 +36 54 57.06 V C57
2020-01-24 06:14:22 s 1 +100532.38 1 +303073.27 6110.0 C57
2020-01-24 06:44:22 S 08 52 04.644 +36 55 19.74 V C57
2020-01-24 06:44:22 s 1 +99666.810 0 +304512.55 4170.0 C57
2020-01-24 07:14:22 S 08 52 03.578 +36 55 42.85 V C57
2020-01-24 07:14:22 s 1 +98797.272 0 +305940.07 2240.0 C57
2020-01-24 07:44:22 S 08 52 02.462 +36 56 05.75 V C57
2020-01-24 07:44:22 s 1 +97923.836 0 +307355.88 460.0 C57
2020-01-24 08:14:22 S 08 52 01.342 +36 56 28.97 V C57
2020-01-24 08:14:22 s 1 +97046.575 0 +308760.06 8970.0 C57
2020-01-24 08:44:22 S 08 52 00.228 +36 56 51.97 V C57
2020-01-24 08:44:22 s 1 +96165.556 0 +310152.66 7880.0 C57
2020-01-24 09:14:22 S 08 51 59.081 +36 57 15.12 V C57
2020-01-24 09:14:22 s 1 +95280.849 0 +311533.74 7340.0 C57
2020-01-24 09:18:20 C 08 50 48.60 +36 53 29.3 V T05
2020-01-24 09:22:53 C 08 50 48.38 +36 53 32.1 V T05
2020-01-24 09:33:27 C 08 50 47.89 +36 53 39.9 V T05
2020-01-24 09:44:22 S 08 51 57.943 +36 57 38.30 V C57
2020-01-24 09:44:22 s 1 +94392.518 0 +312903.37 7470.0 C57
2020-01-24 09:46:40 C 08 50 47.28 +36 53 48.9 V T05
2020-01-24 09:48:03 C 08 50 47.20 +36 53 49.8 V T05
2020-01-24 09:51:35 C 08 50 47.05 +36 53 52.2 V T05
2020-01-24 10:01:31 C 08 50 46.58 +36 53 58.8 V T05
2020-01-24 10:14:22 S 08 51 56.813 +36 58 01.31 V C57
2020-01-24 10:14:22 s 1 +93500.631 0 +314261.60 8400.0 C57
2020-01-24 10:21:43 C 08 50 45.63 +36 54 12.3 V T05
2020-01-24 10:44:22 S 08 51 55.668 +36 58 24.24 V C57
2020-01-24 10:44:22 s 1 +92605.251 0 +315608.50 250.0 C57
2020-01-24 11:14:22 S 08 51 54.523 +36 58 47.14 V C57
2020-01-24 11:14:22 s 1 +91706.442 0 +316944.11 3140.0 C57
2020-01-24 11:44:22 S 08 51 53.405 +36 59 09.92 V C57
2020-01-24 11:44:22 s 1 +90804.266 0 +318268.50 7190.0 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)