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
2017-09-18 06:32:55 C 23 51 00.29 -05 48 37.5 o 691
2017-09-18 06:40:58 C 23 50 59.96 -05 48 39.4 o 691
2017-09-22 09:06:58 C 23 46 55.283 -06 10 14.83 L F51
2017-09-22 09:22:49 C 23 46 54.610 -06 10 18.38 L F51
2017-09-22 09:54:37 C 23 46 53.271 -06 10 25.11 L F51
2017-09-28 10:14:52 C 23 41 04.939 -06 39 46.63 L F51
2017-09-28 10:31:50 C 23 41 04.256 -06 39 50.05 L F51
2017-09-28 11:05:40 C 23 41 02.898 -06 39 56.45 L F51
2017-10-26 04:32:06 C 23 20 47.86 -08 02 00.0 U G96
2017-10-26 04:39:51 C 23 20 47.70 -08 02 00.1 U G96
2017-10-26 04:47:32 C 23 20 47.56 -08 02 01.0 U G96
2017-10-26 04:55:20 C 23 20 47.41 -08 02 00.8 U G96
2018-10-04 09:52:57 C 02 25 19.360 +15 03 13.62 U F52
2018-10-04 10:10:45 C 02 25 18.757 +15 03 11.35 U F52
2018-10-04 10:28:34 C 02 25 18.173 +15 03 09.45 U F52
2018-10-04 10:46:26 C 02 25 17.583 +15 03 07.20 U F52
2018-10-16 12:10:39 C 02 14 56.864 +14 22 20.72 U F52
2018-10-16 12:46:56 C 02 14 55.445 +14 22 14.97 U F52
2018-10-16 13:05:03 C 02 14 54.724 +14 22 12.03 U F52
2018-11-01 06:02:51 C 01 59 50.73 +13 16 57.6 V G96
2018-11-01 06:10:54 C 01 59 50.38 +13 16 56.1 V G96
2018-11-01 06:18:56 C 01 59 50.06 +13 16 54.9 V G96
2018-11-01 06:26:56 C 01 59 49.75 +13 16 53.1 V G96
2018-11-01 08:10:39 C 01 59 45.627 +13 16 35.27 U F52
2018-11-01 08:29:55 C 01 59 44.846 +13 16 31.49 U F52
2018-11-01 08:49:13 C 01 59 44.060 +13 16 28.15 U F52
2018-11-02 06:05:17 C 01 58 52.88 +13 12 35.8 V G96
2018-11-02 06:21:14 C 01 58 52.21 +13 12 32.4 V G96
2018-11-02 06:29:13 C 01 58 51.90 +13 12 31.0 V G96
2018-11-02 06:37:11 C 01 58 51.62 +13 12 30.9 V G96
2018-11-10 06:40:36 C 01 51 22.05 +12 37 56.3 V G96
2018-11-10 06:49:52 C 01 51 21.70 +12 37 53.4 V G96
2018-11-10 06:57:17 C 01 51 21.47 +12 37 51.9 V G96
2018-11-10 07:04:41 C 01 51 21.15 +12 37 50.3 V G96
2019-09-28 12:07:04 C 07 07 13.08 +27 19 43.7 V G96
2019-09-28 12:10:28 C 07 07 13.32 +27 19 43.6 V G96
2019-09-28 12:13:53 C 07 07 13.52 +27 19 43.8 V G96
2019-09-28 12:17:18 C 07 07 13.77 +27 19 43.7 V G96
2019-10-16 10:10:41 C 07 35 50.02 +27 17 28.9 U I41
2019-10-16 10:11:21 C 07 35 50.03 +27 17 28.0 U I41
2019-10-16 10:13:56 C 07 35 50.20 +27 17 28.4 U I41
2019-10-16 10:20:27 C 07 35 50.63 +27 17 28.9 U I41
2019-10-16 10:21:44 C 07 35 50.72 +27 17 28.5 U I41
2019-10-16 10:34:45 C 07 35 51.57 +27 17 28.2 U I41
2019-10-16 10:37:20 C 07 35 51.72 +27 17 28.4 U I41
2019-10-16 10:39:57 C 07 35 51.90 +27 17 28.6 U I41
2019-10-16 10:42:31 C 07 35 52.06 +27 17 28.5 U I41
2019-10-16 10:43:11 C 07 35 52.09 +27 17 28.8 U I41
2019-10-16 10:45:08 C 07 35 52.20 +27 17 28.4 U I41
2019-10-16 10:45:46 C 07 35 52.25 +27 17 28.6 U I41
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)