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
2020-01-22 12:14:22 S 08 53 19.862 +36 22 46.38 V C57
2020-01-22 12:14:22 s 1 +146537.71 5 +131237.60 7980.0 C57
2020-01-22 12:44:22 S 08 53 19.181 +36 23 08.41 V C57
2020-01-22 12:44:22 s 1 +146547.24 8 +134009.83 3240.0 C57
2020-01-22 13:14:22 S 08 53 18.492 +36 23 31.27 V C57
2020-01-22 13:14:22 s 1 +146533.25 4 +136760.63 4300.0 C57
2020-01-22 13:44:22 S 08 53 17.933 +36 23 55.54 V C57
2020-01-22 13:44:22 s 1 +146496.37 3 +139490.15 2240.0 C57
2020-01-22 14:44:22 S 08 53 16.867 +36 24 40.07 V C57
2020-01-22 14:44:22 s 1 +146356.39 7 +144886.02 2770.0 C57
2020-01-22 15:14:22 S 08 53 16.030 +36 25 02.86 V C57
2020-01-22 15:14:22 s 1 +146254.47 1 +147552.68 7300.0 C57
2020-01-22 15:44:22 S 08 53 15.346 +36 25 26.26 V C57
2020-01-22 15:44:22 s 1 +146131.99 8 +150198.70 2590.0 C57
2020-01-22 16:14:22 S 08 53 14.693 +36 25 49.01 V C57
2020-01-22 16:14:22 s 1 +145989.51 2 +152824.26 9530.0 C57
2020-01-22 16:44:22 S 08 53 14.035 +36 26 11.76 V C57
2020-01-22 16:44:22 s 1 +145827.52 9 +155429.50 8980.0 C57
2020-01-22 17:14:22 S 08 53 13.279 +36 26 35.23 V C57
2020-01-22 17:14:22 s 1 +145646.54 6 +158014.59 1770.0 C57
2020-01-22 17:44:22 S 08 53 12.677 +36 26 57.34 V C57
2020-01-22 17:44:22 s 1 +145447.04 4 +160579.70 8730.0 C57
2020-01-22 18:14:22 S 08 53 11.935 +36 27 20.41 V C57
2020-01-22 18:14:22 s 1 +145229.48 9 +163124.98 630.0 C57
2020-01-22 18:44:22 S 08 53 11.179 +36 27 43.67 V C57
2020-01-22 18:44:22 s 1 +144994.33 0 +165650.59 8240.0 C57
2020-01-22 19:14:22 S 08 53 10.534 +36 28 06.20 V C57
2020-01-22 19:14:22 s 1 +144742.00 1 +168156.70 2280.0 C57
2020-01-22 19:23:37 C 08 52 17.30 +36 28 29.7 V L40
2020-01-22 19:32:05 C 08 52 17.04 +36 28 35.2 V L40
2020-01-22 19:44:22 S 08 53 09.797 +36 28 29.06 V C57
2020-01-22 19:44:22 s 1 +144472.92 2 +170643.46 3490.0 C57
2020-01-22 19:55:24 C 08 52 16.19 +36 28 52.9 V 108
2020-01-22 20:14:22 S 08 53 09.041 +36 28 52.39 V C57
2020-01-22 20:14:22 s 1 +144187.50 0 +173111.04 2550.0 C57
2020-01-22 20:26:17 C 08 52 14.95 +36 29 14.1 V 108
2020-01-22 20:31:06 C 08 52 14.78 +36 29 17.6 V 108
2020-01-22 20:34:48 C 08 52 14.61 +36 29 20.4 V 108
2020-01-22 20:37:28 C 08 52 14.46 +36 29 22.4 V 108
2020-01-22 20:44:22 S 08 53 08.328 +36 29 15.11 V C57
2020-01-22 20:44:22 s 1 +143886.12 8 +175559.58 130.0 C57
2020-01-22 21:14:22 S 08 53 07.589 +36 29 37.61 V C57
2020-01-22 21:14:22 s 1 +143569.18 8 +177989.24 6890.0 C57
2020-01-22 21:44:22 S 08 53 06.802 +36 30 01.04 V C57
2020-01-22 21:44:22 s 1 +143237.04 8 +180400.18 3460.0 C57
2020-01-22 22:14:22 S 08 53 06.065 +36 30 24.08 V C57
2020-01-22 22:14:22 s 1 +142890.06 6 +182792.55 460.0 C57
2020-01-22 22:44:22 S 08 53 05.357 +36 30 46.55 V C57
2020-01-22 22:44:22 s 1 +142528.58 8 +185166.50 8480.0 C57
2020-01-22 23:14:22 S 08 53 04.536 +36 31 09.66 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)