38239 (1999 OR3)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5756843401 ± 3.96e-08
Semi-major axis (a)2.0355478099 AU ± 1.55e-08
Inclination (i)9.40329136° ± 7.12e-06
Long. of Asc. Node (Ω)199.75456903° ± 7.53e-05
Arg. of Perihelion (ω)28.56687090° ± 7.03e-05
Mean Anomaly (M)44.77971878° ± 3.31e-05
Mean Motion (n)0.3393831804°/day ± 3.87e-09
Perihelion dist (q)0.86371481 AU ± 8.09e-08
Aphelion dist (Q)3.20738081 AU ± 8.42e-08
Orbital Period2.90416951 yr ± 3.31e-08
Physical Parameters
H (abs. magnitude)18.33
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.506″
Uncertainty0
Orbit TypeApollo
MOID0.054125 AU
Observations Used194
Oppositions17
Arc Total1999-2025
First Observation Used1999-07-27
Last Observation Used2025-02-19
Observations (205)
Date Type RA Dec Mag Band Observatory
2002-03-10 14:59:00 C 14 09 18.36 -68 19 13.9 m 428
2002-03-10 15:00:11 C 14 09 20.68 -68 19 19.6 m 428
2002-03-10 15:01:22 C 14 09 22.95 -68 19 25.4 m 428
2002-03-10 15:06:27 C 14 09 32.83 -68 19 49.8 m 428
2002-08-02 05:22:10 C 23 43 06.47 +15 18 44.9 o 950
2002-08-02 05:24:10 C 23 43 06.32 +15 18 43.9 o 950
2002-08-27 11:42:19 C 23 06 30.21 +09 03 00.0 19.6 c 644
2002-08-27 11:57:49 C 23 06 29.16 +09 02 47.7 19.9 c 644
2002-08-27 12:13:06 C 23 06 28.12 +09 02 35.8 20.0 c 644
2002-09-12 06:08:50 C 22 43 58.23 +04 05 46.2 20.3 c 644
2002-09-12 06:46:11 C 22 43 56.17 +04 05 18.2 20.2 c 644
2002-09-12 07:45:38 C 22 43 53.09 +04 04 33.0 20.0 c 644
2005-09-06 00:21:41 C 00 13 41.17 +09 25 27.1 o 461
2005-09-06 00:30:22 C 00 13 40.70 +09 25 21.9 o 461
2005-09-12 07:40:22 C 00 04 57.889 +08 01 46.38 n 645
2005-09-12 07:41:33 C 00 04 57.823 +08 01 45.90 n 645
2005-09-12 07:43:57 C 00 04 57.679 +08 01 44.65 n 645
2005-09-12 07:45:08 C 00 04 57.607 +08 01 43.95 n 645
2008-09-04 09:46:22 C 01 04 43.97 +11 32 09.4 o 691
2008-09-04 10:11:42 C 01 04 42.83 +11 32 00.2 o 691
2008-09-04 10:37:05 C 01 04 41.75 +11 31 50.7 o 691
2008-09-21 04:22:19 C 00 45 08.63 +08 42 37.8 o 691
2008-09-21 04:47:37 C 00 45 07.23 +08 42 25.0 o 691
2008-10-01 07:47:02 C 00 32 15.03 +06 45 39.9 r G96
2008-10-01 07:54:06 C 00 32 14.60 +06 45 36.4 r G96
2008-10-01 08:01:07 C 00 32 14.24 +06 45 32.2 r G96
2008-10-01 08:08:13 C 00 32 13.88 +06 45 29.7 r G96
2008-10-07 03:42:01 C 00 25 11.54 +05 39 05.3 o 691
2008-10-07 04:12:18 C 00 25 10.04 +05 38 50.3 o 691
2008-10-07 04:47:32 C 00 25 08.24 +05 38 35.1 o 691
2008-10-08 08:50:53 C 00 23 46.669 +05 25 33.22 n 645
2008-10-08 08:52:05 C 00 23 46.602 +05 25 32.56 n 645
2008-10-08 08:55:40 C 00 23 46.431 +05 25 31.08 n 645
2014-09-25 07:17:26 C 01 50 03.47 +11 20 40.0 u H21
2014-09-25 07:39:33 C 01 50 02.49 +11 20 32.7 u H21
2014-09-25 08:01:27 C 01 50 01.56 +11 20 25.3 u H21
2015-12-08 10:58:27 C 04 48 07.861 +10 42 31.93 L F51
2015-12-08 11:14:34 C 04 48 06.958 +10 42 29.38 L F51
2015-12-08 11:30:38 C 04 48 06.073 +10 42 27.09 L F51
2015-12-08 11:46:37 C 04 48 05.185 +10 42 24.22 L F51
2019-01-11 01:56:03 C 04 39 05.00 +09 21 59.9 u H21
2019-01-11 02:07:44 C 04 39 04.50 +09 22 00.1 u H21
2019-01-11 02:17:57 C 04 39 04.10 +09 22 00.3 u H21
2025-01-06 06:54:40 C 06 06 13.093 +06 54 45.79 V G96
2025-01-06 07:03:28 C 06 06 12.478 +06 54 45.07 V G96
2025-01-06 07:10:34 C 06 06 11.977 +06 54 45.29 V G96
2025-01-06 07:17:42 C 06 06 11.513 +06 54 44.78 V G96
2025-01-27 04:32:21 C 05 36 26.053 +07 29 40.38 V G96
2025-01-27 04:39:48 C 05 36 25.693 +07 29 41.06 V G96
2025-01-27 04:47:15 C 05 36 25.351 +07 29 42.07 V G96