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
2022-11-08 10:44:07 C 02 55 57.497 +19 44 36.35 V G96
2022-11-29 05:04:43 C 02 33 48.776 +18 22 36.66 V G96
2022-11-29 05:12:13 C 02 33 48.506 +18 22 35.47 V G96
2022-11-29 05:19:43 C 02 33 48.190 +18 22 34.25 V G96
2022-11-29 05:27:14 C 02 33 47.869 +18 22 33.60 V G96
2022-12-17 01:57:22 C 02 19 44.656 +17 20 04.45 V G96
2022-12-17 02:05:25 C 02 19 44.404 +17 20 03.73 V G96
2022-12-17 02:13:28 C 02 19 44.188 +17 20 02.87 V G96
2022-12-17 02:21:31 C 02 19 43.993 +17 20 01.75 V G96
2022-12-25 03:43:16 C 02 15 47.970 +17 00 34.70 V G96
2022-12-25 03:51:20 C 02 15 47.873 +17 00 34.09 V G96
2022-12-25 03:59:26 C 02 15 47.732 +17 00 32.40 V G96
2022-12-25 04:07:31 C 02 15 47.560 +17 00 32.15 V G96
2022-12-26 03:14:42 C 02 15 26.053 +16 58 40.80 V G96
2022-12-26 03:22:49 C 02 15 25.931 +16 58 39.54 V G96
2022-12-26 03:30:55 C 02 15 25.794 +16 58 39.22 V G96
2022-12-26 03:39:01 C 02 15 25.672 +16 58 38.57 V G96
2024-07-04 23:38:55 C 23 24 43.317 -11 42 51.50 W M01
2024-07-04 23:45:35 C 23 24 43.419 -11 42 49.54 W M01
2024-07-07 00:03:48 C 23 24 23.499 -11 48 46.46 W M01
2024-07-07 00:10:48 C 23 24 23.475 -11 48 46.84 W M01
2024-07-07 00:17:28 C 23 24 23.418 -11 48 47.59 W M01
2024-07-07 07:23:57 C 23 24 19.771 -11 49 37.85 V W68
2024-07-07 07:26:42 C 23 24 19.810 -11 49 37.78 V W68
2024-07-07 07:35:28 C 23 24 19.723 -11 49 39.54 V W68
2024-07-07 07:43:15 C 23 24 19.603 -11 49 39.83 V W68
2024-07-07 23:53:49 C 23 24 10.784 -11 51 56.54 W M01
2024-07-08 00:00:29 C 23 24 10.728 -11 51 57.82 W M01
2024-07-08 00:07:09 C 23 24 10.676 -11 51 58.11 W M01
2024-07-15 06:30:31 C 23 21 39.101 -12 20 25.08 V W68
2024-07-15 06:35:03 C 23 21 38.993 -12 20 26.02 V W68
2024-07-15 06:39:36 C 23 21 38.885 -12 20 27.02 V W68
2024-07-15 06:48:02 C 23 21 38.686 -12 20 27.82 V W68
2024-07-19 09:21:08 B 23 19 27.804 -12 40 26.94 Z H36
2024-07-19 09:36:44 B 23 19 27.391 -12 40 30.32 Z H36
2024-07-19 09:52:24 B 23 19 26.993 -12 40 33.85 Z H36
2024-07-28 12:41:23 C 23 12 45.254 -13 32 41.90 X F52
2024-07-28 12:56:39 C 23 12 44.673 -13 32 45.87 X F52
2024-07-28 13:11:53 C 23 12 44.100 -13 32 49.82 X F52
2024-07-28 13:27:08 C 23 12 43.526 -13 32 53.76 X F52
2024-08-01 00:00:39 C 23 09 34.906 -13 54 43.20 V M22
2024-08-01 00:29:44 C 23 09 33.638 -13 54 50.47 V M22
2024-08-01 00:32:23 C 23 09 33.605 -13 54 52.06 V M22
2024-08-01 00:36:20 C 23 09 33.425 -13 54 52.52 V M22
2024-08-02 00:25:01 C 23 08 35.563 -14 01 20.96 V M22
2024-08-02 00:27:37 C 23 08 35.453 -14 01 21.54 V M22
2024-08-02 00:31:33 C 23 08 35.282 -14 01 21.65 V M22
2024-08-02 00:54:15 C 23 08 34.274 -14 01 29.03 V M22
2024-08-02 21:46:54 C 23 07 42.516 -14 07 12.61 V M22
2024-08-02 21:50:57 C 23 07 42.350 -14 07 13.48 V M22
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)