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
2007-02-11 08:55:49 C 10 11 03.17 +24 35 17.8 r H45
2007-02-11 08:57:22 C 10 11 02.99 +24 35 14.5 r H45
2007-02-11 08:58:45 C 10 11 02.82 +24 35 11.5 r H45
2007-02-11 08:59:47 C 10 11 02.69 +24 35 09.3 r H45
2007-02-11 09:01:56 C 10 11 02.43 +24 35 04.7 r H45
2007-02-13 23:25:34 C 10 03 54.02 +22 19 16.8 r 203
2007-02-13 23:51:55 C 10 03 50.81 +22 18 17.5 r 203
2007-02-14 00:19:19 C 10 03 47.47 +22 17 16.5 c A24
2007-02-14 00:20:46 C 10 03 47.30 +22 17 13.1 c A24
2007-02-15 09:16:30 C 09 59 58.67 +21 02 32.4 o 644
2007-02-15 09:18:12 C 09 59 58.46 +21 02 28.5 o 644
2007-02-15 09:45:58 C 09 59 55.04 +21 01 24.3 o 644
2007-02-15 09:47:42 C 09 59 54.84 +21 01 20.4 o 644
2007-02-15 10:15:35 C 09 59 51.42 +21 00 15.7 o 644
2007-02-15 10:17:17 C 09 59 51.22 +21 00 11.7 o 644
2007-02-15 22:45:48 C 09 58 26.11 +20 31 17.3 c A24
2007-02-15 22:47:15 C 09 58 25.94 +20 31 14.0 c A24
2007-02-15 23:38:42 C 09 58 19.68 +20 29 14.8 c A24
2007-02-15 23:40:09 C 09 58 19.49 +20 29 11.4 c A24
2007-02-16 07:38:51 C 09 57 24.19 +20 10 43.5 r 703
2007-02-16 07:52:06 C 09 57 22.60 +20 10 11.2 r 703
2007-02-16 08:05:21 C 09 57 20.95 +20 09 40.2 r 703
2007-02-16 08:18:36 C 09 57 19.36 +20 09 09.3 r 703
2007-02-16 23:13:16 C 09 55 36.85 +19 34 03.5 c A24
2007-02-16 23:14:43 C 09 55 36.67 +19 34 00.2 c A24
2007-02-17 01:01:44 C 09 55 23.69 +19 29 47.3 c A24
2007-02-17 01:03:12 C 09 55 23.52 +19 29 44.0 c A24
2007-02-17 01:08:27 C 09 55 22.88 +19 29 31.4 c A24
2007-02-17 10:07:14 C 09 54 20.69 +19 08 21.6 o 644
2007-02-17 10:08:56 C 09 54 20.47 +19 08 17.4 o 644
2007-02-17 10:38:10 C 09 54 16.96 +19 07 07.6 o 644
2007-02-17 10:39:52 C 09 54 16.75 +19 07 03.4 o 644
2007-02-17 11:07:16 C 09 54 13.46 +19 05 57.8 o 644
2007-02-17 11:09:00 C 09 54 13.26 +19 05 53.7 o 644
2007-02-18 06:41:16 C 09 52 00.90 +18 19 19.5 15.0 c 704
2007-02-18 06:58:17 C 09 51 58.82 +18 18 39.2 15.2 c 704
2007-02-18 07:15:19 C 09 51 56.76 +18 17 58.3 15.3 c 704
2007-02-18 07:49:16 C 09 51 52.64 +18 16 36.7 15.3 c 704
2007-02-18 21:40:22 C 09 50 19.27 +17 43 10.6 c A24
2007-02-18 21:41:54 C 09 50 19.09 +17 43 07.1 c A24
2007-02-18 22:40:15 C 09 50 12.12 +17 40 46.7 c A24
2007-02-18 22:41:48 C 09 50 11.96 +17 40 42.9 c A24
2007-02-19 22:19:48 C 09 47 32.64 +16 43 21.9 15.7 r B24
2007-02-19 22:21:31 C 09 47 32.43 +16 43 18.1 15.8 r B24
2007-02-19 23:06:06 C 09 47 27.11 +16 41 31.3 c A24
2007-02-19 23:32:24 C 09 47 23.62 +16 40 20.6 15.3 r 084
2007-02-19 23:35:33 C 09 47 23.25 +16 40 12.9 15.3 r 084
2007-02-19 23:59:00 C 09 47 20.85 +16 39 22.3 c A24
2007-02-20 00:00:29 C 09 47 20.66 +16 39 18.8 c A24
2007-02-20 00:35:56 C 09 47 16.49 +16 37 52.1 c A24