31210 (1998 BX7)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5020349390 ± 8.09e-09
Semi-major axis (a)2.6064392742 AU ± 1.26e-09
Inclination (i)8.95606879° ± 1.66e-06
Long. of Asc. Node (Ω)144.86834382° ± 7.44e-06
Arg. of Perihelion (ω)271.46446802° ± 8.48e-06
Mean Anomaly (M)251.11509217° ± 1.87e-06
Mean Motion (n)0.2342291054°/day ± 1.70e-10
Perihelion dist (q)1.29791569 AU ± 2.11e-08
Aphelion dist (Q)3.91496286 AU ± 2.12e-08
Orbital Period4.20795819 yr ± 3.06e-09
Physical Parameters
H (abs. magnitude)16.40
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.241″
Uncertainty0
Orbit TypeAmor
MOID0.355410 AU
Observations Used1338
Oppositions53
Arc Total1955-2025
First Observation Used1955-11-23
Last Observation Used2025-06-17
Observations (1500)
Date Type RA Dec Mag Band Observatory
1998-02-08 01:23:13 C 09 25 58.47 +13 01 24.9 z 118
1998-02-08 01:26:13 C 09 25 58.31 +13 01 26.6 z 118
1998-02-08 19:47:55 C 09 25 12.82 +13 12 07.6 z 118
1998-02-08 20:11:16 C 09 25 11.81 +13 12 21.2 z 118
1998-02-18 23:49:28 C 09 16 01.51 +15 21 55.4 046
1998-02-18 23:52:28 C 09 16 01.42 +15 21 56.9 046
1998-02-18 23:56:00 C 09 16 01.30 +15 21 58.6 046
1998-02-18 23:59:14 C 09 16 01.18 +15 22 00.1 046
1998-02-20 22:20:19 C 09 14 33.79 +15 43 37.0 557
1998-02-20 22:31:16 C 09 14 33.46 +15 43 41.9 557
1998-02-20 22:47:22 C 09 14 32.94 +15 43 49.2 557
1998-02-24 05:07:21 c 09 12 20.57 +16 17 54.4 i 691
1998-02-24 05:39:06 c 09 12 19.68 +16 18 07.5 i 691
1998-02-24 06:17:18 c 09 12 18.59 +16 18 23.7 i 691
1998-02-24 11:59:28 C 09 12 09.97 +16 20 53.0 426
1998-02-24 12:42:15 C 09 12 08.75 +16 21 11.1 426
1998-02-24 13:22:41 C 09 12 07.70 +16 21 27.7 426
1998-02-24 23:39:28 C 09 11 52.02 +16 25 30.1 954
1998-02-24 23:42:14 C 09 11 51.94 +16 25 31.5 954
1998-02-24 23:45:00 C 09 11 51.86 +16 25 32.4 954
1998-02-24 23:47:48 C 09 11 51.80 +16 25 33.6 954
1998-02-24 23:50:33 C 09 11 51.71 +16 25 34.9 954
1998-02-25 22:18:14 C 09 11 18.78 +16 34 29.1 z 118
1998-02-25 22:25:21 C 09 11 18.59 +16 34 31.7 z 118
1998-02-25 22:28:48 C 09 11 18.51 +16 34 33.1 z 118
1998-02-26 05:58:42 c 09 11 08.07 +16 37 31.1 i 691
1998-02-26 06:30:40 c 09 11 07.29 +16 37 43.8 i 691
1998-02-26 07:03:07 c 09 11 06.43 +16 37 56.3 i 691
1998-02-27 21:09:00 C 09 10 16.04 +16 52 17.8 z 587
1998-02-27 21:25:30 C 09 10 15.66 +16 52 24.2 z 587
1998-03-02 20:52:54 C 09 08 55.07 +17 17 19.9 z 587
1998-03-02 21:35:49 C 09 08 54.30 +17 17 33.7 z 587
1998-03-03 07:22:11 C 09 08 44.42 +17 20 47.9 z 711
1998-03-03 07:41:14 C 09 08 44.08 +17 20 53.9 z 711
1998-03-04 07:07:07 C 09 08 22.67 +17 28 21.5 z 711
1998-03-04 07:26:13 C 09 08 22.36 +17 28 27.4 z 711
1998-03-17 08:06:49 C 09 06 45.50 +18 41 41.0 658
1998-03-17 08:25:41 C 09 06 45.55 +18 41 43.8 658
1998-03-28 05:51:07 C 09 09 34.14 +19 09 40.6 658
1998-03-28 05:57:02 C 09 09 34.26 +19 09 41.0 658
1998-03-28 06:02:55 C 09 09 34.36 +19 09 41.1 658
1998-04-15 05:17:32 C 09 20 49.38 +19 03 56.4 658
1998-04-15 05:26:13 C 09 20 49.61 +19 03 55.8 658
1998-04-15 05:38:15 C 09 20 50.03 +19 03 54.9 658
2001-07-19 09:14:23 C 23 34 15.78 -03 18 21.6 c 699
2001-07-19 09:41:32 C 23 34 16.71 -03 18 21.7 c 699
2001-07-19 10:08:39 C 23 34 17.70 -03 18 23.0 c 699
2001-07-19 10:35:51 C 23 34 18.70 -03 18 23.0 c 699
2001-07-22 09:11:23 C 23 36 55.72 -03 21 07.3 18.3 c 704
2001-07-22 09:41:51 C 23 36 56.78 -03 21 09.2 18.8 c 704