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
2020-01-29 09:44:22 s 1 -141843.91 0 +386277.70 8250.0 C57
2020-01-29 10:14:22 S 08 45 53.974 +38 25 50.38 V C57
2020-01-29 10:14:22 s 1 -142708.75 6 +385674.64 5450.0 C57
2020-01-29 10:36:01 C 08 45 11.48 +38 12 57.2 V T08
2020-01-29 10:44:22 S 08 45 52.126 +38 26 10.72 V C57
2020-01-29 10:44:22 s 1 -143571.09 3 +385064.44 1250.0 C57
2020-01-29 11:06:13 C 08 45 09.69 +38 13 16.6 V T08
2020-01-29 11:14:22 S 08 45 50.278 +38 26 31.13 V C57
2020-01-29 11:14:22 s 1 -144430.89 7 +384447.12 5620.0 C57
2020-01-29 11:32:43 C 08 45 08.13 +38 13 33.5 V T08
2020-01-29 11:40:06 C 08 45 07.69 +38 13 38.3 V T08
2020-01-29 11:44:22 S 08 45 48.439 +38 26 51.61 V C57
2020-01-29 11:44:22 s 1 -145288.14 8 +383822.66 8520.0 C57
2020-01-29 12:14:22 S 08 45 46.579 +38 27 12.02 V C57
2020-01-29 12:14:22 s 1 -146142.82 3 +383191.05 9930.0 C57
2020-01-29 12:44:22 S 08 45 44.722 +38 27 32.80 V C57
2020-01-29 12:44:22 s 1 -146994.90 2 +382552.31 9830.0 C57
2020-01-29 13:14:22 S 08 45 42.900 +38 27 52.96 V C57
2020-01-29 13:14:22 s 1 -147844.36 1 +381906.42 8190.0 C57
2020-01-29 13:44:22 S 08 45 41.062 +38 28 13.04 V C57
2020-01-29 13:44:22 s 1 -148691.18 0 +381253.38 4970.0 C57
2020-01-29 14:14:22 S 08 45 39.156 +38 28 33.82 V C57
2020-01-29 14:14:22 s 1 -149535.33 5 +380593.19 160.0 C57
2020-01-29 14:44:22 S 08 45 37.303 +38 28 54.37 V C57
2020-01-29 14:44:22 s 1 -150376.80 4 +379925.84 3720.0 C57
2020-01-29 15:14:22 S 08 45 35.446 +38 29 14.39 V C57
2020-01-29 15:14:22 s 1 -151215.56 4 +379251.33 5630.0 C57
2020-01-29 15:44:22 S 08 45 33.610 +38 29 34.26 V C57
2020-01-29 15:44:22 s 1 -152051.59 4 +378569.65 5870.0 C57
2020-01-29 16:14:22 S 08 45 31.709 +38 29 55.18 V C57
2020-01-29 16:14:22 s 1 -152884.86 9 +377880.80 4390.0 C57
2020-01-29 16:44:22 S 08 45 29.868 +38 30 15.30 V C57
2020-01-29 16:44:22 s 1 -153715.36 7 +377184.78 1180.0 C57
2020-01-29 17:14:22 S 08 45 28.032 +38 30 35.28 V C57
2020-01-29 17:14:22 s 1 -154543.06 5 +376481.58 6210.0 C57
2020-01-29 17:44:22 S 08 45 26.124 +38 30 55.62 V C57
2020-01-29 17:44:22 s 1 -155367.93 9 +375771.20 9440.0 C57
2020-01-29 18:14:22 S 08 45 24.269 +38 31 16.07 V C57
2020-01-29 18:14:22 s 1 -156189.96 7 +375053.63 850.0 C57
2020-01-29 18:44:22 S 08 45 22.430 +38 31 35.94 V C57
2020-01-29 18:44:22 s 1 -157009.12 3 +374328.86 420.0 C57
2020-01-29 19:14:22 S 08 45 20.498 +38 31 56.64 V C57
2020-01-29 19:14:22 s 1 -157825.38 5 +373596.90 8110.0 C57
2020-01-29 19:44:22 S 08 45 18.662 +38 32 16.37 V C57
2020-01-29 19:44:22 s 1 -158638.72 8 +372857.74 3890.0 C57
2020-01-29 20:14:22 S 08 45 16.771 +38 32 36.53 V C57
2020-01-29 20:14:22 s 1 -159449.12 8 +372111.37 7740.0 C57
2020-01-29 20:44:22 S 08 45 14.863 +38 32 56.76 V C57
2020-01-29 20:44:22 s 1 -160256.56 1 +371357.78 9630.0 C57
2020-01-29 21:14:22 S 08 45 12.958 +38 33 17.03 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)