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 22:44:22 s 1 -76235.466 0 +410825.72 7680.0 C57
2020-01-27 23:14:22 S 08 47 56.532 +38 01 18.08 V C57
2020-01-27 23:14:22 s 1 -77228.413 0 +410721.34 4280.0 C57
2020-01-27 23:44:22 S 08 47 54.838 +38 01 39.72 V C57
2020-01-27 23:44:22 s 1 -78220.139 0 +410609.75 540.0 C57
2020-01-28 00:14:22 S 08 47 53.222 +38 02 01.36 V C57
2020-01-28 00:14:22 s 1 -79210.627 0 +410490.94 6500.0 C57
2020-01-28 00:44:22 S 08 47 51.506 +38 02 22.34 V C57
2020-01-28 00:44:22 s 1 -80199.861 0 +410364.93 2160.0 C57
2020-01-28 01:14:22 S 08 47 49.822 +38 02 44.09 V C57
2020-01-28 01:14:22 s 1 -81187.823 0 +410231.72 7570.0 C57
2020-01-28 01:44:22 S 08 47 48.166 +38 03 05.69 V C57
2020-01-28 01:44:22 s 1 -82174.496 0 +410091.32 2740.0 C57
2020-01-28 02:14:22 S 08 47 46.512 +38 03 26.96 V C57
2020-01-28 02:14:22 s 1 -83159.864 0 +409943.72 7710.0 C57
2020-01-28 02:44:22 S 08 47 44.834 +38 03 48.06 V C57
2020-01-28 02:44:22 s 1 -84143.911 0 +409788.93 2480.0 C57
2020-01-28 03:14:22 S 08 47 43.152 +38 04 09.55 V C57
2020-01-28 03:14:22 s 1 -85126.618 0 +409626.97 7100.0 C57
2020-01-28 03:44:22 S 08 47 41.400 +38 04 31.30 V C57
2020-01-28 03:44:22 s 1 -86107.969 0 +409457.83 1580.0 C57
2020-01-28 03:49:32 C 08 46 45.04 +37 52 46.1 q W33
2020-01-28 04:03:02 C 08 46 44.31 +37 52 55.2 q W33
2020-01-28 04:14:22 S 08 47 39.811 +38 04 52.50 V C57
2020-01-28 04:14:22 s 1 -87087.948 0 +409281.52 5950.0 C57
2020-01-28 04:14:43 C 08 46 43.67 +37 53 02.9 q W33
2020-01-28 04:44:22 S 08 47 38.110 +38 05 13.85 V C57
2020-01-28 04:44:22 s 1 -88066.537 0 +409098.04 230.0 C57
2020-01-28 05:44:22 S 08 47 34.702 +38 05 56.90 V C57
2020-01-28 05:44:22 s 1 -90019.477 0 +408709.60 8640.0 C57
2020-01-28 05:45:28 C 08 46 39.36 +37 54 03.0 V 703
2020-01-28 05:53:08 C 08 46 38.93 +37 54 08.1 V 703
2020-01-28 06:00:49 C 08 46 38.51 +37 54 13.1 V 703
2020-01-28 06:08:29 C 08 46 38.10 +37 54 18.4 V 703
2020-01-28 06:14:22 S 08 47 32.978 +38 06 18.11 V C57
2020-01-28 06:14:22 s 1 -90993.794 0 +408504.64 2820.0 C57
2020-01-28 06:44:22 S 08 47 31.322 +38 06 39.28 V C57
2020-01-28 06:44:22 s 1 -91966.654 0 +408292.53 7000.0 C57
2020-01-28 07:14:22 S 08 47 29.611 +38 07 00.23 V C57
2020-01-28 07:14:22 s 1 -92938.038 0 +408073.28 1230.0 C57
2020-01-28 07:44:22 S 08 47 27.898 +38 07 22.12 V C57
2020-01-28 07:44:22 s 1 -93907.931 0 +407846.88 5520.0 C57
2020-01-28 08:14:22 S 08 47 26.162 +38 07 43.39 V C57
2020-01-28 08:14:22 s 1 -94876.314 0 +407613.34 9890.0 C57
2020-01-28 08:44:22 S 08 47 24.492 +38 08 04.45 V C57
2020-01-28 08:44:22 s 1 -95843.170 0 +407372.67 4370.0 C57
2020-01-28 09:14:22 S 08 47 22.783 +38 08 25.76 V C57
2020-01-28 09:14:22 s 1 -96808.483 0 +407124.86 8990.0 C57
2020-01-28 09:44:22 S 08 47 21.062 +38 08 46.93 V C57
2020-01-28 09:44:22 s 1 -97772.234 0 +406869.92 3770.0 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)