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
2016-01-30 07:53:54 C 07 11 29.51 +55 35 44.9 q H45
2016-01-30 07:55:05 C 07 11 29.39 +55 35 43.5 q H45
2016-01-30 13:42:48 C 07 11 02.73 +55 26 07.8 o D54
2016-01-30 13:53:19 C 07 11 01.84 +55 25 50.1 o D54
2016-01-30 14:03:59 C 07 11 00.83 +55 25 32.1 o D54
2016-01-31 02:03:25 C 07 10 05.34 +55 05 27.5 R G45
2016-01-31 02:03:31 C 07 10 05.32 +55 05 27.5 R G45
2016-01-31 02:10:39 C 07 10 04.75 +55 05 15.7 R G45
2016-01-31 02:10:45 C 07 10 04.73 +55 05 15.6 R G45
2016-01-31 02:18:10 C 07 10 04.10 +55 05 03.6 R G45
2016-01-31 02:18:16 C 07 10 04.11 +55 05 03.2 R G45
2016-01-31 02:25:35 C 07 10 03.51 +55 04 51.3 R G45
2016-01-31 09:13:18 C 07 09 30.24 +54 53 29.4 L T05
2016-01-31 09:47:37 C 07 09 27.28 +54 52 30.2 L T05
2016-01-31 10:05:32 C 07 09 25.81 +54 51 59.4 L T05
2016-01-31 10:35:40 C 07 09 23.20 +54 51 07.5 L T05
2016-02-01 12:34:31 C 07 07 29.73 +54 06 02.6 o D54
2016-02-01 12:44:57 C 07 07 28.95 +54 05 44.5 o D54
2016-02-01 12:55:26 C 07 07 28.12 +54 05 26.3 o D54
2016-02-02 13:29:02 C 07 05 47.04 +53 21 44.9 o D54
2016-02-02 13:30:31 C 07 05 46.93 +53 21 43.3 o D54
2016-02-02 13:39:45 C 07 05 46.23 +53 21 26.4 o D54
2016-02-02 13:41:21 C 07 05 46.12 +53 21 24.0 o D54
2016-02-02 13:53:42 C 07 05 45.21 +53 21 01.8 o D54
2016-02-03 13:32:19 C 07 04 15.38 +52 37 55.7 o D54
2016-02-03 13:43:14 C 07 04 14.73 +52 37 35.5 o D54
2016-02-05 05:35:47 C 07 01 58.84 +51 22 51.9 q 703
2016-02-05 05:42:19 C 07 01 58.44 +51 22 39.4 q 703
2016-02-05 05:48:52 C 07 01 58.11 +51 22 27.0 q 703
2016-02-05 05:55:23 C 07 01 57.63 +51 22 14.1 q 703
2016-02-06 05:27:28 C 07 00 46.95 +50 36 54.4 q 703
2016-02-06 05:36:15 C 07 00 46.45 +50 36 36.8 q 703
2016-02-06 05:45:05 C 07 00 45.96 +50 36 19.9 q 703
2016-02-06 05:53:57 C 07 00 45.54 +50 36 02.6 q 703
2016-02-09 01:56:11 C 06 57 59.90 +48 20 38.9 R G45
2016-02-09 01:56:16 C 06 57 59.90 +48 20 38.5 R G45
2016-02-09 02:13:59 C 06 57 59.21 +48 20 03.1 R G45
2016-02-09 02:14:05 C 06 57 59.19 +48 20 03.0 R G45
2016-02-09 02:21:02 C 06 57 58.92 +48 19 49.1 R G45
2016-02-09 02:21:07 C 06 57 58.93 +48 19 49.0 R G45
2016-02-09 02:28:03 C 06 57 58.63 +48 19 35.1 R G45
2016-02-09 02:28:09 C 06 57 58.63 +48 19 34.9 R G45
2016-02-09 13:12:19 C 06 57 36.33 +47 57 39.4 o D54
2016-02-09 13:15:25 C 06 57 36.16 +47 57 32.9 o D54
2016-02-09 13:23:33 C 06 57 35.90 +47 57 16.6 o D54
2016-02-09 13:26:43 C 06 57 35.67 +47 57 09.1 o D54
2016-02-13 08:37:35 C 06 55 26.82 +44 47 20.8 L T05
2016-02-13 08:44:38 C 06 55 26.63 +44 47 05.6 L T05
2016-02-13 09:16:18 C 06 55 25.94 +44 45 57.9 L T05
2016-02-13 09:40:02 C 06 55 25.35 +44 45 06.9 L T05