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
2020-01-27 11:14:22 s 1 -53099.408 0 +411219.34 8560.0 C57
2020-01-27 11:18:07 C 08 47 31.93 +37 42 03.6 V T05
2020-01-27 11:44:22 S 08 48 34.003 +37 53 00.17 V C57
2020-01-27 11:44:22 s 1 -54115.810 0 +411282.80 9990.0 C57
2020-01-27 11:47:32 C 08 47 30.33 +37 42 22.6 V T05
2020-01-27 11:50:11 C 08 47 30.18 +37 42 24.2 V T05
2020-01-27 12:02:19 C 08 47 29.53 +37 42 32.0 V T05
2020-01-27 12:14:22 S 08 48 32.417 +37 53 23.57 V C57
2020-01-27 12:14:22 s 1 -55131.377 0 +411338.87 480.0 C57
2020-01-27 12:44:22 S 08 48 30.852 +37 53 44.27 V C57
2020-01-27 12:44:22 s 1 -56146.092 0 +411387.58 60.0 C57
2020-01-27 13:14:22 S 08 48 29.388 +37 54 04.97 V C57
2020-01-27 13:14:22 s 1 -57159.765 0 +411429.29 4420.0 C57
2020-01-27 13:44:22 S 08 48 27.648 +37 54 26.86 V C57
2020-01-27 13:44:22 s 1 -58172.727 0 +411463.27 2290.0 C57
2020-01-27 14:14:22 S 08 48 26.026 +37 54 48.31 V C57
2020-01-27 14:14:22 s 1 -59184.786 0 +411489.90 9330.0 C57
2020-01-27 14:44:22 S 08 48 24.360 +37 55 10.56 V C57
2020-01-27 14:44:22 s 1 -60195.927 0 +411509.19 5570.0 C57
2020-01-27 15:14:22 S 08 48 22.738 +37 55 32.66 V C57
2020-01-27 15:14:22 s 1 -61206.131 0 +411521.15 1030.0 C57
2020-01-27 15:44:22 S 08 48 21.137 +37 55 54.05 V C57
2020-01-27 15:44:22 s 1 -62215.383 0 +411525.79 5750.0 C57
2020-01-27 16:14:22 S 08 48 19.565 +37 56 15.32 V C57
2020-01-27 16:14:22 s 1 -63223.665 0 +411523.11 9730.0 C57
2020-01-27 16:44:22 S 08 48 17.914 +37 56 37.10 V C57
2020-01-27 16:44:22 s 1 -64230.961 0 +411513.12 3030.0 C57
2020-01-27 17:14:22 S 08 48 16.262 +37 56 59.10 V C57
2020-01-27 17:14:22 s 1 -65237.253 0 +411495.83 5650.0 C57
2020-01-27 17:44:22 S 08 48 14.621 +37 57 20.84 V C57
2020-01-27 17:44:22 s 1 -66242.525 0 +411471.24 7630.0 C57
2020-01-27 18:14:22 S 08 48 12.986 +37 57 42.08 V C57
2020-01-27 18:14:22 s 1 -67246.761 0 +411439.37 8990.0 C57
2020-01-27 18:44:22 S 08 48 11.366 +37 58 03.86 V C57
2020-01-27 18:44:22 s 1 -68249.943 0 +411400.21 9750.0 C57
2020-01-27 19:14:22 S 08 48 09.785 +37 58 24.85 V C57
2020-01-27 19:14:22 s 1 -69252.056 0 +411353.79 9950.0 C57
2020-01-27 19:44:22 S 08 48 08.110 +37 58 46.78 V C57
2020-01-27 19:44:22 s 1 -70253.081 0 +411300.10 9620.0 C57
2020-01-27 20:14:22 S 08 48 06.449 +37 59 08.38 V C57
2020-01-27 20:14:22 s 1 -71253.002 0 +411239.15 8760.0 C57
2020-01-27 20:44:22 S 08 48 04.807 +37 59 30.52 V C57
2020-01-27 20:44:22 s 1 -72251.803 0 +411170.94 7420.0 C57
2020-01-27 21:14:22 S 08 48 03.173 +37 59 51.86 V C57
2020-01-27 21:14:22 s 1 -73249.466 0 +411095.49 5620.0 C57
2020-01-27 21:44:22 S 08 48 01.541 +38 00 12.96 V C57
2020-01-27 21:44:22 s 1 -74245.976 0 +411012.80 3380.0 C57
2020-01-27 22:14:22 S 08 47 59.866 +38 00 34.63 V C57
2020-01-27 22:14:22 s 1 -75241.315 0 +410922.87 720.0 C57
2020-01-27 22:44:22 S 08 47 58.178 +38 00 56.48 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)