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
2016-03-04 04:44:05 C 07 03 52.49 +27 58 53.2 q H45
2016-03-04 04:45:09 C 07 03 52.51 +27 58 50.9 q H45
2016-03-04 04:46:37 C 07 03 52.57 +27 58 48.5 q H45
2016-03-04 04:47:53 C 07 03 52.64 +27 58 45.5 q H45
2016-03-04 04:49:14 C 07 03 52.68 +27 58 43.0 q H45
2016-03-05 03:52:32 C 07 04 54.36 +27 12 47.1 q H45
2016-03-05 03:53:42 C 07 04 54.40 +27 12 44.7 q H45
2016-03-05 03:55:11 C 07 04 54.45 +27 12 41.9 q H45
2016-03-05 03:57:05 C 07 04 54.55 +27 12 37.9 q H45
2016-03-05 03:58:30 C 07 04 54.60 +27 12 35.2 q H45
2016-03-05 03:59:48 C 07 04 54.68 +27 12 32.5 q H45
2016-03-08 08:00:34 C 07 08 34.84 +24 44 28.6 L T05
2016-03-08 08:09:10 C 07 08 35.29 +24 44 10.4 L T05
2016-03-08 08:12:00 C 07 08 35.42 +24 44 06.8 L T05
2016-03-08 08:25:34 C 07 08 36.08 +24 43 41.6 L T05
2016-03-08 08:37:33 C 07 08 36.70 +24 43 16.9 L T05
2016-03-08 08:54:16 C 07 08 37.42 +24 42 46.7 L T05
2016-03-10 11:29:57 C 07 11 19.21 +23 07 07.0 q D29
2016-03-10 11:50:19 C 07 11 20.24 +23 06 29.1 q D29
2016-03-10 12:10:41 C 07 11 21.25 +23 05 51.1 q D29
2016-03-11 11:26:44 C 07 12 39.02 +22 22 44.3 q D29
2016-03-11 11:58:33 C 07 12 40.62 +22 21 45.7 q D29
2016-03-11 12:30:22 C 07 12 42.28 +22 20 47.2 q D29
2016-03-13 02:46:52 C 07 14 54.78 +21 11 04.1 q G96
2016-03-13 02:54:14 C 07 14 55.19 +21 10 50.9 q G96
2016-03-13 03:01:35 C 07 14 55.58 +21 10 37.5 q G96
2016-03-13 03:08:58 C 07 14 55.97 +21 10 24.3 q G96
2016-03-15 03:05:45 C 07 17 48.83 +19 45 07.3 q H45
2016-03-15 03:07:38 C 07 17 48.90 +19 45 03.2 q H45
2016-03-15 03:09:18 C 07 17 49.02 +19 45 01.1 q H45
2016-03-15 03:10:45 C 07 17 49.08 +19 44 58.3 q H45
2016-03-15 03:12:39 C 07 17 49.20 +19 44 54.9 q H45
2016-03-15 03:13:48 C 07 17 49.32 +19 44 53.0 q H45
2016-03-16 07:42:47 C 07 19 35.72 +18 55 21.5 L T05
2016-03-16 08:04:41 C 07 19 36.91 +18 54 45.1 L T05
2016-03-16 08:15:59 C 07 19 37.68 +18 54 24.3 L T05
2016-03-16 08:46:06 C 07 19 39.48 +18 53 32.6 L T05
2016-03-16 09:10:04 C 07 19 40.74 +18 52 52.0 L T05
2016-03-18 21:17:47 C 07 23 34.63 +17 10 51.6 q 160
2016-03-18 21:20:46 C 07 23 34.77 +17 10 46.0 q 160
2016-03-18 21:23:46 C 07 23 34.97 +17 10 41.2 q 160
2016-03-19 20:22:50 C 07 25 07.18 +16 32 41.1 q 160
2016-03-19 20:25:48 C 07 25 07.37 +16 32 36.3 q 160
2016-03-19 20:28:45 C 07 25 07.56 +16 32 31.6 q 160
2016-03-21 22:09:17 C 07 28 31.25 +15 12 12.7 o Z22
2016-03-21 22:20:20 C 07 28 32.02 +15 11 54.9 o Z22
2016-03-22 02:55:46 C 07 28 51.28 +15 04 35.5 q H45
2016-03-22 02:57:26 C 07 28 51.43 +15 04 32.3 q H45
2016-03-22 02:59:02 C 07 28 51.54 +15 04 29.9 q H45
2016-03-22 03:00:39 C 07 28 51.64 +15 04 27.4 q H45