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
2020-01-25 23:44:22 S 08 50 21.936 +37 26 25.15 V C57
2020-01-25 23:44:22 s 1 +20087.408 0 +387105.25 5830.0 C57
2020-01-26 00:14:22 S 08 50 20.570 +37 26 47.33 V C57
2020-01-26 00:14:22 s 1 +19058.625 0 +387726.00 4970.0 C57
2020-01-26 00:44:22 S 08 50 19.169 +37 27 09.90 V C57
2020-01-26 00:44:22 s 1 +18029.292 0 +388338.29 710.0 C57
2020-01-26 01:14:22 S 08 50 17.750 +37 27 32.22 V C57
2020-01-26 01:14:22 s 1 +16999.435 0 +388942.14 3090.0 C57
2020-01-26 01:44:22 S 08 50 16.378 +37 27 54.90 V C57
2020-01-26 01:44:22 s 1 +15969.076 0 +389537.56 2170.0 C57
2020-01-26 02:14:22 S 08 50 14.942 +37 28 17.65 V C57
2020-01-26 02:14:22 s 1 +14938.239 0 +390124.59 7980.0 C57
2020-01-26 02:44:22 S 08 50 13.476 +37 28 40.40 V C57
2020-01-26 02:44:22 s 1 +13906.948 0 +390703.23 570.0 C57
2020-01-26 03:14:22 S 08 50 12.082 +37 29 02.69 V C57
2020-01-26 03:14:22 s 1 +12875.225 0 +391273.53 9980.0 C57
2020-01-26 03:44:22 S 08 50 10.663 +37 29 24.76 V C57
2020-01-26 03:44:22 s 1 +11843.095 0 +391835.49 6260.0 C57
2020-01-26 04:14:22 S 08 50 09.259 +37 29 46.75 V C57
2020-01-26 04:14:22 s 1 +10810.580 0 +392389.13 9450.0 C57
2020-01-26 04:22:28 C 08 48 57.94 +37 21 59.3 q W88
2020-01-26 04:23:57 C 08 48 57.85 +37 22 00.3 q W88
2020-01-26 04:25:22 C 08 48 57.79 +37 22 01.3 q W88
2020-01-26 04:26:49 C 08 48 57.72 +37 22 02.1 q W88
2020-01-26 04:28:56 C 08 48 57.60 +37 22 03.4 q W88
2020-01-26 04:30:21 C 08 48 57.54 +37 22 04.4 q W88
2020-01-26 04:31:43 C 08 48 57.48 +37 22 05.5 q W88
2020-01-26 04:33:52 C 08 48 57.36 +37 22 07.0 q W88
2020-01-26 04:35:13 C 08 48 57.29 +37 22 07.6 q W88
2020-01-26 04:36:40 C 08 48 57.21 +37 22 08.7 q W88
2020-01-26 04:38:53 C 08 48 57.10 +37 22 10.1 q W88
2020-01-26 04:44:22 S 08 50 07.848 +37 30 09.47 V C57
2020-01-26 05:14:22 S 08 50 06.442 +37 30 31.86 V C57
2020-01-26 05:44:22 S 08 50 05.002 +37 30 53.82 V C57
2020-01-26 06:14:22 S 08 50 03.586 +37 31 16.86 V C57
2020-01-26 06:37:04 C 08 48 52.19 +37 23 09.6 U I41
2020-01-26 06:38:23 C 08 48 52.13 +37 23 10.5 U I41
2020-01-26 06:41:00 C 08 48 51.99 +37 23 12.3 U I41
2020-01-26 06:44:22 S 08 50 02.100 +37 31 40.12 V C57
2020-01-26 07:14:22 S 08 50 00.792 +37 31 59.63 V C57
2020-01-26 07:44:22 S 08 49 59.352 +37 32 22.42 V C57
2020-01-26 08:14:22 S 08 49 57.806 +37 32 46.07 V C57
2020-01-26 08:14:35 C 08 48 47.23 +37 24 14.6 U I41
2020-01-26 08:15:53 C 08 48 47.17 +37 24 15.4 U I41
2020-01-26 08:44:22 S 08 49 56.364 +37 33 08.10 V C57
2020-01-26 09:14:22 S 08 49 54.907 +37 33 30.85 V C57
2020-01-26 09:44:22 S 08 49 53.462 +37 33 53.39 V C57
2020-01-26 10:14:22 S 08 49 51.998 +37 34 15.71 V C57
2020-01-26 10:44:22 S 08 49 50.532 +37 34 38.03 V C57
2020-01-26 11:14:22 S 08 49 49.102 +37 34 59.81 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)