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
2020-01-28 10:14:22 S 08 47 19.320 +38 09 08.46 V C57
2020-01-28 10:14:22 s 1 -98734.408 0 +406607.85 8740.0 C57
2020-01-28 10:44:22 S 08 47 17.606 +38 09 29.52 V C57
2020-01-28 10:44:22 s 1 -99694.985 0 +406338.66 3910.0 C57
2020-01-28 11:14:22 S 08 47 15.898 +38 09 50.18 V C57
2020-01-28 11:14:22 s 1 -100653.94 9 +406062.35 9320.0 C57
2020-01-28 11:44:22 S 08 47 14.191 +38 10 11.42 V C57
2020-01-28 11:44:22 s 1 -101611.28 3 +405778.92 4980.0 C57
2020-01-28 12:06:19 C 08 46 19.26 +37 58 16.4 V T05
2020-01-28 12:11:09 C 08 46 18.98 +37 58 19.4 V T05
2020-01-28 12:13:09 C 08 46 18.85 +37 58 21.4 V T05
2020-01-28 12:14:22 S 08 47 12.437 +38 10 33.06 V C57
2020-01-28 12:14:22 s 1 -102566.96 9 +405488.37 930.0 C57
2020-01-28 12:19:16 C 08 46 18.52 +37 58 24.7 V T05
2020-01-28 12:35:34 C 08 46 17.60 +37 58 34.9 V T05
2020-01-28 12:44:22 S 08 47 10.675 +38 10 54.12 V C57
2020-01-28 12:44:22 s 1 -103520.98 9 +405190.70 7180.0 C57
2020-01-28 13:14:22 S 08 47 08.969 +38 11 15.11 V C57
2020-01-28 13:14:22 s 1 -104473.32 5 +404885.93 3760.0 C57
2020-01-28 13:44:22 S 08 47 07.250 +38 11 36.31 V C57
2020-01-28 13:44:22 s 1 -105423.96 1 +404574.04 700.0 C57
2020-01-28 14:14:22 S 08 47 05.465 +38 11 57.88 V C57
2020-01-28 14:14:22 s 1 -106372.87 8 +404255.04 8020.0 C57
2020-01-28 14:44:22 S 08 47 03.742 +38 12 19.01 V C57
2020-01-28 14:44:22 s 1 -107320.05 9 +403928.94 5740.0 C57
2020-01-28 15:14:22 S 08 47 02.026 +38 12 39.78 V C57
2020-01-28 15:14:22 s 1 -108265.48 5 +403595.74 3890.0 C57
2020-01-28 15:44:22 S 08 47 00.319 +38 13 00.52 V C57
2020-01-28 15:44:22 s 1 -109209.13 9 +403255.43 2490.0 C57
2020-01-28 16:14:22 S 08 46 58.514 +38 13 22.30 V C57
2020-01-28 16:14:22 s 1 -110151.00 4 +402908.02 1570.0 C57
2020-01-28 16:44:22 S 08 46 56.736 +38 13 43.18 V C57
2020-01-28 16:44:22 s 1 -111091.06 0 +402553.51 1150.0 C57
2020-01-28 17:14:22 S 08 46 55.025 +38 14 04.09 V C57
2020-01-28 17:14:22 s 1 -112029.29 0 +402191.90 1260.0 C57
2020-01-28 17:44:22 S 08 46 53.256 +38 14 25.33 V C57
2020-01-28 17:44:22 s 1 -112965.67 6 +401823.20 8080.0 C57
2020-01-28 18:14:22 S 08 46 51.497 +38 14 46.07 V C57
2020-01-28 18:14:22 s 1 -113900.20 0 +401447.39 6850.0 C57
2020-01-28 18:44:22 S 08 46 49.728 +38 15 07.31 V C57
2020-01-28 18:44:22 s 1 -114832.84 3 +401064.50 5010.0 C57
2020-01-28 19:14:22 S 08 46 47.959 +38 15 28.22 V C57
2020-01-28 19:14:22 s 1 -115763.58 7 +400674.50 2560.0 C57
2020-01-28 19:44:22 S 08 46 46.234 +38 15 49.10 V C57
2020-01-28 19:44:22 s 1 -116692.41 4 +400277.42 9450.0 C57
2020-01-28 20:14:22 S 08 46 44.448 +38 16 09.66 V C57
2020-01-28 20:14:22 s 1 -117619.30 5 +399873.24 5670.0 C57
2020-01-28 20:44:22 S 08 46 42.665 +38 16 31.33 V C57
2020-01-28 20:44:22 s 1 -118544.24 2 +399461.96 1200.0 C57
2020-01-28 21:14:22 S 08 46 40.922 +38 16 52.03 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)