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
2007-03-13 23:39:14 C 09 04 40.66 -03 12 40.2 c A24
2007-03-13 23:40:40 C 09 04 40.61 -03 12 42.7 c A24
2007-03-13 23:53:04 C 09 04 40.02 -03 13 05.3 c A24
2007-03-14 00:04:48 C 09 04 39.48 -03 13 26.8 c A24
2007-03-14 00:16:10 C 09 04 38.94 -03 13 47.5 c A24
2007-03-14 00:17:35 C 09 04 38.88 -03 13 50.0 c A24
2007-03-14 00:28:56 C 09 04 38.34 -03 14 10.7 c A24
2007-03-14 00:46:35 C 09 04 37.50 -03 14 42.7 c A24
2007-03-14 01:03:50 C 09 04 36.68 -03 15 14.2 c A24
2007-03-14 01:22:38 C 09 04 35.78 -03 15 48.2 c A24
2007-03-14 19:38:02 C 09 03 52.37 -03 48 39.7 r 113
2007-03-14 19:41:38 C 09 03 52.17 -03 48 45.5 r 113
2007-03-14 19:44:02 C 09 03 52.08 -03 48 50.0 r 113
2007-03-14 19:47:38 C 09 03 51.93 -03 48 55.7 r 113
2007-03-14 19:51:14 C 09 03 51.75 -03 49 02.2 r 113
2007-03-14 19:54:50 C 09 03 51.62 -03 49 09.2 r 113
2007-03-14 19:58:26 C 09 03 51.44 -03 49 15.2 r 113
2007-03-14 20:02:12 C 09 03 51.26 -03 49 21.8 r 113
2007-03-14 21:36:55 C 09 03 47.12 -03 52 08.9 c A24
2007-03-14 21:54:38 C 09 03 46.35 -03 52 40.1 c A24
2007-03-14 22:29:39 C 09 03 44.84 -03 53 42.1 c A24
2007-03-14 22:46:37 C 09 03 44.09 -03 54 12.0 c A24
2007-03-14 22:48:04 C 09 03 44.05 -03 54 14.7 c A24
2007-03-14 22:58:35 C 09 03 43.55 -03 54 33.7 c A24
2007-03-14 23:10:33 C 09 03 43.06 -03 54 54.4 c A24
2007-03-14 23:22:31 C 09 03 42.52 -03 55 15.5 c A24
2007-03-14 23:32:58 C 09 03 42.08 -03 55 33.7 c A24
2007-03-14 23:44:50 C 09 03 41.56 -03 55 54.9 c A24
2007-03-14 23:55:16 C 09 03 41.10 -03 56 12.7 c A24
2007-03-14 23:56:43 C 09 03 41.06 -03 56 16.1 c A24
2007-03-15 00:11:51 C 09 03 40.40 -03 56 42.2 c A24
2007-03-15 00:28:03 C 09 03 39.69 -03 57 10.9 c A24
2007-03-15 00:44:11 C 09 03 38.99 -03 57 39.4 c A24
2007-03-15 01:01:38 C 09 03 38.24 -03 58 10.2 c A24
2007-03-15 21:30:30 C 09 02 53.29 -04 33 56.0 c A24
2007-03-15 21:40:09 C 09 02 52.92 -04 34 12.3 c A24
2007-03-15 21:41:37 C 09 02 52.83 -04 34 15.1 c A24
2007-03-15 21:52:51 C 09 02 52.40 -04 34 34.2 c A24
2007-03-15 22:05:33 C 09 02 51.88 -04 34 56.0 c A24
2007-03-15 22:10:30 C 09 02 51.548 -04 35 07.8 r 084
2007-03-15 22:13:40 C 09 02 51.403 -04 35 13.3 r 084
2007-03-15 22:16:47 C 09 02 51.36 -04 35 14.8 c A24
2007-03-15 22:18:15 C 09 02 51.38 -04 35 17.9 c A24
2007-03-15 22:51:54 C 09 02 49.99 -04 36 15.8 c A24
2007-03-15 22:53:21 C 09 02 49.98 -04 36 17.9 c A24
2007-03-15 23:09:42 C 09 02 49.27 -04 36 46.1 c A24
2007-03-16 05:09:46 C 09 02 37.21 -04 46 59.7 16.1 c 704
2007-03-16 05:25:52 C 09 02 36.55 -04 47 27.2 16.4 c 704
2007-03-16 05:41:50 C 09 02 35.92 -04 47 54.2 16.4 c 704
2007-03-16 05:57:22 C 09 02 35.29 -04 48 20.7 16.3 c 704