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
2020-07-09 09:35:21 C 17 31 57.06 -40 59 09.4 V T08
2020-07-09 09:49:56 C 17 31 57.40 -40 59 01.4 V T08
2020-07-13 08:40:32 C 17 34 54.47 -40 08 46.9 V T08
2020-07-13 08:46:30 C 17 34 54.62 -40 08 43.8 V T08
2020-07-13 08:55:10 C 17 34 54.85 -40 08 39.3 V T08
2020-07-13 09:12:30 C 17 34 55.29 -40 08 30.3 V T08
2020-08-12 07:29:04 C 18 05 06.69 -35 03 24.4 V T05
2020-08-12 07:34:22 C 18 05 06.92 -35 03 22.0 V T05
2020-08-12 07:42:21 C 18 05 07.33 -35 03 19.4 V T05
2020-09-15 06:46:50 C 18 51 58.22 -30 57 43.7 V T08
2020-09-15 06:50:50 C 18 51 58.51 -30 57 42.3 V T08
2020-09-15 06:58:48 C 18 51 58.92 -30 57 40.7 V T08
2020-09-15 07:14:10 C 18 51 59.87 -30 57 36.0 V T08
2021-08-31 10:09:40 C 01 03 54.501 +03 50 02.01 U F52
2021-08-31 10:26:18 C 01 03 54.053 +03 49 59.65 U F52
2021-08-31 10:42:58 C 01 03 53.640 +03 49 56.93 U F52
2021-08-31 10:59:34 C 01 03 53.200 +03 49 54.21 U F52
2021-09-09 12:00:18 C 00 57 35.487 +03 13 23.98 U F52
2021-09-09 12:18:06 C 00 57 34.900 +03 13 20.54 U F52
2021-09-09 12:35:56 C 00 57 34.323 +03 13 17.43 U F52
2021-09-09 12:53:39 C 00 57 33.738 +03 13 14.15 U F52
2021-09-10 08:18:07 C 00 56 56.42 +03 09 38.6 V G96
2021-09-10 08:26:59 C 00 56 56.16 +03 09 37.0 V G96
2021-09-10 08:35:51 C 00 56 55.82 +03 09 35.2 V G96
2021-09-10 08:44:43 C 00 56 55.57 +03 09 33.7 V G96
2021-09-25 09:49:02 C 00 44 05.227 +01 56 57.83 U F52
2021-09-25 10:05:31 C 00 44 04.590 +01 56 54.26 U F52
2021-09-25 10:22:02 C 00 44 03.966 +01 56 50.97 U F52
2021-09-25 10:38:35 C 00 44 03.300 +01 56 47.48 U F52
2021-09-30 09:57:29 C 00 39 30.131 +01 31 37.69 U F52
2021-09-30 10:13:59 C 00 39 29.488 +01 31 34.26 U F52
2021-09-30 10:30:35 C 00 39 28.844 +01 31 30.68 U F52
2021-09-30 10:47:18 C 00 39 28.185 +01 31 27.20 U F52
2021-10-04 08:47:37 C 00 35 52.174 +01 11 48.22 U F51
2021-10-04 08:48:42 C 00 35 52.119 +01 11 47.91 U F51
2021-10-04 09:06:22 C 00 35 51.436 +01 11 44.23 U F51
2021-10-04 09:07:28 C 00 35 51.397 +01 11 43.97 U F51
2021-10-04 09:25:11 C 00 35 50.703 +01 11 40.33 U F51
2021-10-04 09:26:17 C 00 35 50.663 +01 11 40.06 U F51
2021-10-04 09:44:04 C 00 35 49.966 +01 11 36.44 U F51
2021-10-04 09:45:08 C 00 35 49.925 +01 11 36.18 U F51
2021-10-04 15:43:30 C 00 35 36.21 +01 10 21.0 V D29
2021-10-04 16:03:52 C 00 35 35.40 +01 10 16.4 V D29
2021-10-04 16:24:14 C 00 35 34.57 +01 10 12.5 V D29
2021-10-05 08:33:37 C 00 34 57.776 +01 06 53.54 U F52
2021-10-05 08:49:17 C 00 34 57.168 +01 06 50.40 U F52
2021-10-05 09:05:01 C 00 34 56.556 +01 06 47.11 U F52
2021-10-05 09:20:46 C 00 34 55.948 +01 06 43.96 U F52
2021-10-10 07:09:15 C 00 30 29.78 +00 42 59.1 V G96
2021-10-10 07:16:45 C 00 30 29.44 +00 42 57.3 V G96
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)