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
2020-02-01 12:14:22 S 08 40 59.623 +39 12 20.56 V C57
2020-02-01 12:14:22 s 1 -226906.57 4 +213622.60 9990.0 C57
2020-02-01 12:44:22 S 08 40 57.480 +39 12 37.12 V C57
2020-02-01 12:44:22 s 1 -227014.60 3 +211852.43 130.0 C57
2020-02-01 13:14:22 S 08 40 55.435 +39 12 54.07 V C57
2020-02-01 13:14:22 s 1 -227112.98 8 +210073.18 530.0 C57
2020-02-01 13:44:22 S 08 40 53.309 +39 13 10.42 V C57
2020-02-01 13:44:22 s 1 -227201.62 0 +208284.84 1070.0 C57
2020-02-01 14:14:22 S 08 40 51.199 +39 13 27.01 V C57
2020-02-01 14:14:22 s 1 -227280.38 4 +206487.38 1610.0 C57
2020-02-01 14:44:22 S 08 40 49.085 +39 13 43.36 V C57
2020-02-01 14:44:22 s 1 -227349.16 4 +204680.78 2010.0 C57
2020-02-01 15:14:22 S 08 40 47.018 +39 13 59.66 V C57
2020-02-01 15:14:22 s 1 -227407.84 4 +202865.02 2140.0 C57
2020-02-03 05:15:45 C 08 38 45.22 +39 25 47.2 V 703
2020-02-03 05:23:27 C 08 38 44.71 +39 25 52.3 V 703
2020-02-03 05:31:08 C 08 38 44.20 +39 25 57.0 V 703
2020-02-03 05:38:49 C 08 38 43.69 +39 26 01.9 V 703
2020-02-03 11:05:28 C 08 38 22.79 +39 29 30.2 V T08
2020-02-03 11:10:51 C 08 38 22.41 +39 29 33.4 V T08
2020-02-03 11:19:30 C 08 38 21.82 +39 29 38.6 V T08
2020-02-03 11:34:57 C 08 38 20.76 +39 29 47.8 V T08
2020-02-04 16:30:19 C 08 36 35.12 +39 47 09.9 V C40
2020-02-04 17:12:08 C 08 36 32.37 +39 47 37.0 V C40
2020-02-04 17:22:23 C 08 36 31.63 +39 47 54.1 15.3 q C97
2020-02-04 17:24:34 C 08 36 31.46 +39 47 55.7 15.4 q C97
2020-02-04 17:26:45 C 08 36 31.32 +39 47 56.9 15.4 q C97
2020-02-04 17:28:56 C 08 36 31.19 +39 47 58.3 15.4 q C97
2020-02-04 17:32:01 C 08 36 31.06 +39 47 49.8 V C40
2020-02-04 19:05:07 C 08 36 24.75 +39 48 48.8 V C40
2020-02-04 20:04:37 C 08 36 20.65 +39 49 25.4 V C40
2020-02-04 20:24:29 C 08 36 19.27 +39 49 37.5 V C40
2020-02-04 20:26:18 C 08 36 19.14 +39 49 38.6 V C40
2020-02-05 10:15:29 C 08 35 26.03 +39 58 04.3 V T05
2020-02-05 10:19:56 C 08 35 25.70 +39 58 06.9 V T05
2020-02-05 10:29:01 C 08 35 25.04 +39 58 12.3 V T05
2020-02-05 10:45:24 C 08 35 23.86 +39 58 21.9 V T05
2020-02-05 20:51:15 C 08 34 45.98 +40 04 07.2 V L40
2020-02-05 20:58:11 C 08 34 45.49 +40 04 11.3 V L40
2020-02-05 21:08:47 C 08 34 44.66 +40 04 21.3 V 160
2020-02-05 21:11:44 C 08 34 44.50 +40 04 22.2 V 160
2020-02-05 21:14:41 C 08 34 44.33 +40 04 24.3 V 160
2020-02-06 04:30:04 C 08 34 16.54 +40 08 42.0 U I41
2020-02-06 04:38:34 C 08 34 15.94 +40 08 47.2 U I41
2020-02-06 04:54:06 C 08 34 14.84 +40 08 56.8 U I41
2020-02-06 06:39:35 C 08 34 07.22 +40 10 00.8 U I41
2020-02-06 06:40:56 C 08 34 07.12 +40 10 01.6 U I41
2020-02-06 21:05:29 C 08 33 10.58 +40 18 17.4 V 160
2020-02-06 21:08:26 C 08 33 10.37 +40 18 19.1 V 160
2020-02-06 21:11:22 C 08 33 10.16 +40 18 20.2 V 160
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)