31221 (1998 BP26)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2569976914 ± 2.85e-08
Semi-major axis (a)1.7232698844 AU ± 1.25e-09
Inclination (i)20.21787331° ± 2.90e-06
Long. of Asc. Node (Ω)331.00578191° ± 3.34e-06
Arg. of Perihelion (ω)186.78961271° ± 6.50e-06
Mean Anomaly (M)99.22913393° ± 5.63e-06
Mean Motion (n)0.4356947517°/day ± 4.75e-10
Perihelion dist (q)1.28039350 AU ± 4.91e-08
Aphelion dist (Q)2.16614627 AU ± 4.92e-08
Orbital Period2.26219453 yr ± 2.47e-09
Physical Parameters
H (abs. magnitude)17.23
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.348″
Uncertainty0
Orbit TypeAmor
MOID0.292311 AU
Observations Used1148
Gaia Obs Used43
Oppositions10
Arc Total1998-2025
First Observation Used1998-01-29
Last Observation Used2025-04-26
Observations (1208)
Date Type RA Dec Mag Band Observatory
2007-02-26 03:51:42 C 09 31 46.52 +10 35 52.8 r G96
2007-02-26 04:04:35 C 09 31 45.19 +10 35 21.4 r G96
2007-02-26 04:14:18 C 09 31 44.18 +10 34 57.8 r G96
2007-02-26 04:24:06 C 09 31 43.17 +10 34 33.9 r G96
2007-02-26 06:09:07 C 09 31 32.16 +10 30 17.9 r 703
2007-02-26 06:24:33 C 09 31 30.54 +10 29 40.2 r 703
2007-03-10 22:11:40 C 09 08 14.04 -00 53 15.6 c A24
2007-03-10 22:13:07 C 09 08 13.94 -00 53 18.4 c A24
2007-03-10 22:52:39 C 09 08 11.63 -00 54 36.4 c A24
2007-03-10 22:54:06 C 09 08 11.52 -00 54 39.5 c A24
2007-03-11 04:38:35 C 09 07 53.90 -01 05 52.8 r 703
2007-03-11 04:47:55 C 09 07 53.32 -01 06 11.0 r 703
2007-03-11 04:57:22 C 09 07 52.78 -01 06 29.7 r 703
2007-03-11 05:06:45 C 09 07 52.21 -01 06 48.1 r 703
2007-03-11 20:09:30 C 09 07 05.77 -01 36 08.7 16.4 r 130
2007-03-11 20:11:11 C 09 07 05.68 -01 36 11.9 16.5 r 130
2007-03-11 20:12:52 C 09 07 05.58 -01 36 15.0 16.5 r 130
2007-03-11 20:13:59 C 09 07 05.53 -01 36 17.2 16.4 r 130
2007-03-11 23:03:52 C 09 06 56.12 -01 41 44.3 c A24
2007-03-11 23:05:19 C 09 06 56.04 -01 41 46.7 c A24
2007-03-11 23:44:20 C 09 06 53.94 -01 43 02.1 c A24
2007-03-11 23:45:47 C 09 06 53.85 -01 43 04.7 c A24
2007-03-12 00:22:45 C 09 06 51.85 -01 44 15.5 c A24
2007-03-12 00:24:11 C 09 06 51.78 -01 44 18.4 c A24
2007-03-12 21:34:52 C 09 05 51.15 -02 24 30.3 c A24
2007-03-12 21:54:25 C 09 05 50.15 -02 25 06.7 c A24
2007-03-12 22:10:17 C 09 05 49.33 -02 25 36.4 c A24
2007-03-12 22:26:03 C 09 05 48.53 -02 26 05.8 c A24
2007-03-12 22:54:46 C 09 05 47.05 -02 26 59.7 c A24
2007-03-12 22:56:13 C 09 05 46.97 -02 27 02.1 c A24
2007-03-12 23:07:41 C 09 05 46.39 -02 27 23.7 c A24
2007-03-12 23:20:35 C 09 05 45.74 -02 27 47.9 c A24
2007-03-12 23:32:02 C 09 05 45.15 -02 28 09.3 c A24
2007-03-12 23:33:29 C 09 05 45.06 -02 28 12.1 c A24
2007-03-12 23:44:58 C 09 05 44.49 -02 28 33.4 c A24
2007-03-12 23:57:53 C 09 05 43.84 -02 28 57.6 c A24
2007-03-13 00:09:23 C 09 05 43.27 -02 29 19.0 c A24
2007-03-13 00:10:49 C 09 05 43.18 -02 29 21.8 c A24
2007-03-13 00:25:31 C 09 05 42.45 -02 29 49.2 c A24
2007-03-13 00:43:37 C 09 05 41.51 -02 30 22.9 c A24
2007-03-13 01:01:56 C 09 05 40.57 -02 30 57.2 c A24
2007-03-13 01:21:01 C 09 05 39.58 -02 31 32.8 c A24
2007-03-13 21:48:19 C 09 04 45.92 -03 09 18.8 c A24
2007-03-13 22:19:05 C 09 04 44.46 -03 10 14.8 c A24
2007-03-13 22:34:44 C 09 04 43.72 -03 10 43.2 c A24
2007-03-13 22:50:42 C 09 04 42.96 -03 11 12.1 c A24
2007-03-13 23:01:52 C 09 04 42.42 -03 11 32.4 c A24
2007-03-13 23:03:18 C 09 04 42.36 -03 11 35.1 c A24
2007-03-13 23:15:50 C 09 04 41.76 -03 11 57.8 c A24
2007-03-13 23:27:44 C 09 04 41.21 -03 12 19.3 c A24