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
2007-03-16 06:12:55 C 09 02 34.66 -04 48 47.2 16.3 c 704
2007-03-16 21:35:24 C 09 02 04.24 -05 14 48.8 c A24
2007-03-16 22:10:51 C 09 02 02.90 -05 15 49.8 c A24
2007-03-16 22:12:20 C 09 02 02.84 -05 15 51.5 c A24
2007-03-16 22:46:03 C 09 02 01.62 -05 16 48.7 c A24
2007-03-17 05:07:19 C 09 01 49.99 -05 27 19.1 16.8 c 704
2007-03-17 05:22:37 C 09 01 49.43 -05 27 44.0 17.1 c 704
2007-03-17 05:38:07 C 09 01 48.88 -05 28 10.4 16.7 c 704
2007-03-17 05:53:28 C 09 01 48.31 -05 28 36.0 16.9 c 704
2007-03-17 06:09:00 C 09 01 47.76 -05 29 01.4 16.8 c 704
2007-03-24 20:51:38 C 08 58 32.388 -09 59 20.9 r 084
2007-03-24 20:54:48 C 08 58 32.337 -09 59 24.9 r 084
2007-03-27 04:08:55 C 08 58 26.73 -11 09 20.6 17.2 c 704
2007-03-27 04:25:57 C 08 58 26.69 -11 09 41.9 17.2 c 704
2007-03-27 04:41:46 C 08 58 26.63 -11 10 01.0 17.1 c 704
2007-03-27 04:57:49 C 08 58 26.54 -11 10 20.1 17.4 c 704
2007-03-27 05:13:47 C 08 58 26.52 -11 10 39.6 17.3 c 704
2007-04-07 00:10:29 C 09 02 40.02 -15 40 34.3 r 808
2007-04-07 00:20:30 C 09 02 40.28 -15 40 43.3 r 808
2007-04-07 00:37:40 C 09 02 40.66 -15 40 58.0 r 808
2007-04-10 19:50:34 C 09 05 44.88 -16 58 08.9 c 246
2007-04-10 19:52:33 C 09 05 44.96 -16 58 10.5 c 246
2007-04-10 19:53:37 C 09 05 44.99 -16 58 11.1 c 246
2007-04-10 19:54:33 C 09 05 45.03 -16 58 12.1 c 246
2007-04-10 19:56:23 C 09 05 45.09 -16 58 13.2 c 246
2007-04-10 19:57:20 C 09 05 45.14 -16 58 13.9 c 246
2007-04-10 19:58:20 C 09 05 45.16 -16 58 14.6 c 246
2007-04-12 12:28:15 C 09 07 20.53 -17 29 33.7 r E12
2007-04-12 12:41:34 C 09 07 21.00 -17 29 43.7 r E12
2007-04-12 12:54:51 C 09 07 21.54 -17 29 53.9 r E12
2007-04-12 13:08:09 C 09 07 22.04 -17 30 03.9 r E12
2007-04-16 10:31:25 C 09 11 34.36 -18 38 04.5 r E12
2007-04-16 10:43:38 C 09 11 34.94 -18 38 12.9 r E12
2007-04-16 10:55:50 C 09 11 35.48 -18 38 21.4 r E12
2007-04-16 11:08:05 C 09 11 35.98 -18 38 29.3 r E12
2008-08-19 07:23:12 C 01 57 58.30 +30 58 23.7 o H55
2008-08-19 07:40:53 C 01 57 58.60 +30 58 36.1 o H55
2008-08-19 07:58:35 C 01 57 58.81 +30 58 49.4 o H55
2008-10-09 06:48:35 C 01 21 04.19 +43 43 30.9 19.0 c 704
2008-10-09 07:07:02 C 01 21 02.54 +43 43 36.5 19.3 c 704
2008-10-09 07:25:31 C 01 21 00.94 +43 43 41.9 19.8 c 704
2008-10-09 07:43:59 C 01 20 59.42 +43 43 47.6 19.8 c 704
2008-10-09 08:02:29 C 01 20 57.85 +43 43 53.6 19.8 c 704
2008-10-12 00:46:33 C 01 15 35.29 +44 01 31.3 c B67
2008-10-12 01:04:42 C 01 15 33.73 +44 01 35.2 c B67
2008-10-12 01:22:49 C 01 15 32.15 +44 01 39.6 c B67
2008-11-07 04:38:52 C 00 23 49.00 +43 08 20.5 19.4 c 704
2008-11-07 04:56:15 C 00 23 47.74 +43 08 15.9 19.4 c 704
2008-11-07 05:31:00 C 00 23 45.47 +43 08 02.3 19.4 c 704
2008-11-07 05:48:22 C 00 23 44.21 +43 07 55.7 19.9 c 704