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 11:14:22 S 08 50 55.762 +37 17 00.71 V C57
2020-01-25 11:14:22 s 1 +45553.346 0 +368761.29 9230.0 C57
2020-01-25 11:44:22 S 08 50 54.418 +37 17 23.35 V C57
2020-01-25 11:44:22 s 1 +44546.809 0 +369602.06 9620.0 C57
2020-01-25 12:14:22 S 08 50 53.102 +37 17 46.54 V C57
2020-01-25 12:14:22 s 1 +43539.041 0 +370433.69 5310.0 C57
2020-01-25 12:44:22 S 08 50 51.773 +37 18 09.11 V C57
2020-01-25 12:44:22 s 1 +42530.073 0 +371256.21 6350.0 C57
2020-01-25 13:14:22 S 08 50 50.472 +37 18 31.68 V C57
2020-01-25 13:14:22 s 1 +41519.935 0 +372069.66 2810.0 C57
2020-01-25 13:44:22 S 08 50 49.147 +37 18 54.25 V C57
2020-01-25 13:44:22 s 1 +40508.656 0 +372874.05 4730.0 C57
2020-01-25 14:14:22 S 08 50 47.777 +37 19 16.90 V C57
2020-01-25 14:14:22 s 1 +39496.267 0 +373669.43 2180.0 C57
2020-01-25 14:44:22 S 08 50 46.498 +37 19 39.18 V C57
2020-01-25 14:44:22 s 1 +38482.798 0 +374455.82 5210.0 C57
2020-01-25 15:14:22 S 08 50 45.130 +37 20 01.54 V C57
2020-01-25 15:14:22 s 1 +37468.277 0 +375233.24 3880.0 C57
2020-01-25 15:44:22 S 08 50 43.771 +37 20 24.58 V C57
2020-01-25 15:44:22 s 1 +36452.734 0 +376001.74 8250.0 C57
2020-01-25 16:14:22 S 08 50 42.454 +37 20 47.29 V C57
2020-01-25 16:14:22 s 1 +35436.196 0 +376761.33 8370.0 C57
2020-01-25 16:44:22 S 08 50 41.088 +37 21 09.94 V C57
2020-01-25 16:44:22 s 1 +34418.693 0 +377512.05 4290.0 C57
2020-01-25 17:14:22 S 08 50 39.713 +37 21 32.51 V C57
2020-01-25 17:14:22 s 1 +33400.252 0 +378253.92 6070.0 C57
2020-01-25 17:44:22 S 08 50 38.366 +37 21 55.30 V C57
2020-01-25 17:44:22 s 1 +32380.901 0 +378986.98 3770.0 C57
2020-01-25 18:14:22 S 08 50 36.996 +37 22 18.55 V C57
2020-01-25 18:14:22 s 1 +31360.666 0 +379711.24 7430.0 C57
2020-01-25 18:44:22 S 08 50 35.652 +37 22 41.02 V C57
2020-01-25 18:44:22 s 1 +30339.577 0 +380426.73 7100.0 C57
2020-01-25 19:14:22 S 08 50 34.327 +37 23 02.47 V C57
2020-01-25 19:14:22 s 1 +29317.658 0 +381133.48 2840.0 C57
2020-01-25 19:44:22 S 08 50 32.923 +37 23 25.15 V C57
2020-01-25 19:44:22 s 1 +28294.938 0 +381831.53 4710.0 C57
2020-01-25 20:14:22 S 08 50 31.558 +37 23 47.72 V C57
2020-01-25 20:14:22 s 1 +27271.442 0 +382520.88 2740.0 C57
2020-01-25 20:44:22 S 08 50 30.206 +37 24 10.30 V C57
2020-01-25 20:44:22 s 1 +26247.196 0 +383201.58 6990.0 C57
2020-01-25 21:14:22 S 08 50 28.834 +37 24 32.58 V C57
2020-01-25 21:14:22 s 1 +25222.226 0 +383873.63 7510.0 C57
2020-01-25 21:44:22 S 08 50 27.470 +37 24 55.19 V C57
2020-01-25 21:44:22 s 1 +24196.558 0 +384537.08 4350.0 C57
2020-01-25 22:14:22 S 08 50 26.066 +37 25 17.98 V C57
2020-01-25 22:14:22 s 1 +23170.217 0 +385191.94 7550.0 C57
2020-01-25 22:44:22 S 08 50 24.708 +37 25 40.37 V C57
2020-01-25 22:44:22 s 1 +22143.228 0 +385838.24 7160.0 C57
2020-01-25 23:14:22 S 08 50 23.338 +37 26 02.72 V C57
2020-01-25 23:14:22 s 1 +21115.617 0 +386476.00 3240.0 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)