85640 (1998 OX4)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4857453630 ± 3.69e-08
Semi-major axis (a)1.5803806899 AU ± 1.59e-09
Inclination (i)4.51579140° ± 6.20e-06
Long. of Asc. Node (Ω)299.56230554° ± 5.53e-05
Arg. of Perihelion (ω)117.31540859° ± 5.49e-05
Mean Anomaly (M)213.71304109° ± 8.55e-06
Mean Motion (n)0.4961005452°/day ± 7.48e-10
Perihelion dist (q)0.81271810 AU ± 5.82e-08
Aphelion dist (Q)2.34804328 AU ± 5.83e-08
Orbital Period1.98674703 yr ± 3.00e-09
Physical Parameters
H (abs. magnitude)21.14
G (slope)0.15
Alternative Designations

2002 PJ34

Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.393″
Uncertainty0
Orbit TypeApollo
MOID0.000720 AU
Observations Used262
Oppositions10
Arc Total1998-2019
First Observation Used1998-07-26
Last Observation Used2019-05-01
Observations (276)
Date Type RA Dec Mag Band Observatory
1998-07-26 07:15:30 c 20 56 50.94 -15 45 10.1 i 691
1998-07-26 08:29:05 c 20 56 45.16 -15 45 03.8 i 691
1998-07-26 09:04:21 c 20 56 42.36 -15 45 01.6 i 691
1998-07-27 06:31:06 c 20 55 05.79 -15 43 17.2 i 691
1998-07-27 06:36:45 c 20 55 05.33 -15 43 17.0 i 691
1998-07-27 06:45:11 c 20 55 04.64 -15 43 16.1 i 691
1998-07-27 09:38:28 c 20 54 50.36 -15 43 02.0 i 691
1998-07-27 09:41:35 C 20 54 50.18 -15 43 02.4 673
1998-07-27 09:44:20 c 20 54 49.89 -15 43 01.6 i 691
1998-07-27 09:47:38 C 20 54 49.82 -15 43 02.7 673
1998-07-27 09:49:58 c 20 54 49.41 -15 43 00.8 i 691
1998-07-27 09:56:13 C 20 54 49.20 -15 43 01.8 673
1998-07-31 06:58:26 C 20 47 01.33 -15 35 01.7 696
1998-07-31 07:00:31 C 20 47 01.17 -15 35 01.2 696
1998-07-31 07:02:35 C 20 47 00.95 -15 35 01.2 696
1998-07-31 07:04:40 C 20 47 00.75 -15 35 00.9 696
1998-08-01 08:58:22 C 20 44 37.13 -15 32 35.2 696
1998-08-01 09:00:56 C 20 44 36.88 -15 32 35.2 696
1998-08-01 09:03:31 C 20 44 36.61 -15 32 35.2 696
1998-08-01 09:06:04 C 20 44 36.36 -15 32 34.6 696
1998-08-01 09:08:39 C 20 44 36.13 -15 32 34.6 696
1998-08-02 09:01:31 C 20 42 19.72 -15 30 16.9 658
1998-08-02 09:06:14 C 20 42 19.29 -15 30 16.8 658
1998-08-03 08:25:43 C 20 40 01.57 -15 27 53.4 658
1998-08-03 08:30:50 C 20 40 00.97 -15 27 52.1 658
1998-08-03 08:35:59 C 20 40 00.40 -15 27 52.1 658
1998-08-04 08:57:32 C 20 37 31.67 -15 25 13.5 658
1998-08-04 09:09:45 C 20 37 30.30 -15 25 12.8 658
2002-08-06 10:30:16 C 21 34 34.69 -08 58 25.6 20.2 c 644
2002-08-06 10:45:14 C 21 34 33.63 -08 58 19.0 19.7 c 644
2002-08-06 11:00:20 C 21 34 32.49 -08 58 11.7 20.1 c 644
2002-08-08 08:18:09 C 21 31 20.87 -08 37 08.0 19.4 c 644
2002-08-08 08:33:09 C 21 31 19.64 -08 37 00.7 19.2 c 644
2002-08-08 08:50:02 C 21 31 18.25 -08 36 52.5 19.2 c 644
2002-08-16 08:33:46 C 21 13 26.05 -06 49 18.3 o 644
2002-08-16 09:04:07 C 21 13 22.35 -06 48 57.8 o 644
2002-08-31 03:25:35 C 20 15 42.98 -01 05 01.5 18.0 c 644
2002-08-31 03:55:55 C 20 15 35.82 -01 04 19.3 18.0 c 644
2002-08-31 04:31:46 C 20 15 27.33 -01 03 29.7 18.1 c 644
2002-09-04 04:32:17 C 19 51 43.44 +01 25 09.2 c 670
2002-09-04 04:35:51 C 19 51 42.42 +01 25 14.7 c 670
2002-09-23 02:04:08 C 16 39 51.59 +19 10 02.5 c 649
2002-09-23 02:12:56 C 16 39 46.44 +19 10 21.0 c 649
2002-09-23 02:18:50 C 16 39 42.95 +19 10 33.5 c 649
2002-09-24 02:17:30 C 16 25 54.04 +20 00 41.7 c 649
2002-09-24 02:35:25 C 16 25 43.50 +20 01 16.5 c 649
2002-09-24 02:53:13 C 16 25 32.95 +20 01 50.8 c 649
2003-03-24 05:45:09 C 11 42 38.95 -08 46 41.2 d 291
2003-03-24 05:50:50 C 11 42 38.60 -08 46 37.5 d 291
2003-03-24 05:56:30 C 11 42 38.12 -08 46 34.5 d 291