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 21:14:22 s 1 -119467.20 6 +399043.60 6000.0 C57
2020-01-28 21:44:22 S 08 46 39.151 +38 17 12.66 V C57
2020-01-28 21:44:22 s 1 -120388.17 8 +398618.14 50.0 C57
2020-01-28 22:14:22 S 08 46 37.339 +38 17 33.76 V C57
2020-01-28 22:14:22 s 1 -121307.14 0 +398185.58 3330.0 C57
2020-01-28 22:44:22 S 08 46 35.513 +38 17 54.82 V C57
2020-01-28 22:44:22 s 1 -122224.07 2 +397745.94 5820.0 C57
2020-01-28 23:14:22 S 08 46 33.787 +38 18 15.37 V C57
2020-01-28 23:14:22 s 1 -123138.95 7 +397299.20 7480.0 C57
2020-01-28 23:44:22 S 08 46 32.038 +38 18 36.14 V C57
2020-01-28 23:44:22 s 1 -124051.77 4 +396845.37 8300.0 C57
2020-01-29 00:14:22 S 08 46 30.178 +38 18 57.24 V C57
2020-01-29 00:14:22 s 1 -124962.50 5 +396384.45 8250.0 C57
2020-01-29 00:44:22 S 08 46 28.392 +38 19 18.30 V C57
2020-01-29 00:44:22 s 1 -125871.13 0 +395916.43 7300.0 C57
2020-01-29 01:14:22 S 08 46 26.630 +38 19 38.57 V C57
2020-01-29 01:14:22 s 1 -126777.63 1 +395441.32 5430.0 C57
2020-01-29 01:44:22 S 08 46 24.814 +38 19 59.66 V C57
2020-01-29 01:44:22 s 1 -127681.98 7 +394959.11 2620.0 C57
2020-01-29 02:14:22 S 08 46 23.014 +38 20 20.29 V C57
2020-01-29 02:14:22 s 1 -128584.18 0 +394469.80 8830.0 C57
2020-01-29 02:44:22 S 08 46 21.254 +38 20 40.70 V C57
2020-01-29 02:44:22 s 1 -129484.19 0 +393973.40 4050.0 C57
2020-01-29 03:14:22 S 08 46 19.466 +38 21 01.51 V C57
2020-01-29 03:14:22 s 1 -130381.99 7 +393469.90 8240.0 C57
2020-01-29 03:44:22 S 08 46 17.635 +38 21 22.28 V C57
2020-01-29 03:44:22 s 1 -131277.58 2 +392959.30 1390.0 C57
2020-01-29 04:14:22 S 08 46 15.797 +38 21 43.42 V C57
2020-01-29 04:14:22 s 1 -132170.92 4 +392441.60 3470.0 C57
2020-01-29 04:44:22 S 08 46 14.026 +38 22 03.68 V C57
2020-01-29 04:44:22 s 1 -133062.00 4 +391916.79 4450.0 C57
2020-01-29 05:14:22 S 08 46 12.211 +38 22 23.99 V C57
2020-01-29 05:14:22 s 1 -133950.80 2 +391384.89 4310.0 C57
2020-01-29 05:44:22 S 08 46 10.366 +38 22 45.37 V C57
2020-01-29 05:44:22 s 1 -134837.29 7 +390845.87 3020.0 C57
2020-01-29 06:14:22 S 08 46 08.549 +38 23 05.82 V C57
2020-01-29 06:14:22 s 1 -135721.46 9 +390299.75 550.0 C57
2020-01-29 06:44:22 S 08 46 06.778 +38 23 26.23 V C57
2020-01-29 06:44:22 s 1 -136603.29 8 +389746.52 6890.0 C57
2020-01-29 07:14:22 S 08 46 04.978 +38 23 46.54 V C57
2020-01-29 07:14:22 s 1 -137482.76 3 +389186.18 1990.0 C57
2020-01-29 07:44:22 S 08 46 03.108 +38 24 07.45 V C57
2020-01-29 07:44:22 s 1 -138359.84 4 +388618.72 5850.0 C57
2020-01-29 08:14:22 S 08 46 01.262 +38 24 27.90 V C57
2020-01-29 08:14:22 s 1 -139234.52 0 +388044.15 8430.0 C57
2020-01-29 08:44:22 S 08 45 59.455 +38 24 48.17 V C57
2020-01-29 08:44:22 s 1 -140106.77 1 +387462.45 9710.0 C57
2020-01-29 09:14:22 S 08 45 57.550 +38 25 08.00 V C57
2020-01-29 09:14:22 s 1 -140976.57 4 +386873.64 9650.0 C57
2020-01-29 09:44:22 S 08 45 55.786 +38 25 28.70 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)