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
2016-01-16 08:10:09 C 07 48 34.71 +62 34 30.8 q H45
2016-01-16 08:11:23 C 07 48 34.54 +62 34 29.7 q H45
2016-01-16 08:12:28 C 07 48 34.40 +62 34 28.9 q H45
2016-01-16 08:13:48 C 07 48 34.20 +62 34 27.6 q H45
2016-01-16 08:14:57 C 07 48 34.05 +62 34 26.7 q H45
2016-01-16 08:16:21 C 07 48 33.86 +62 34 25.6 q H45
2016-01-21 05:51:12 C 07 33 48.71 +60 40 14.8 q 703
2016-01-21 06:14:31 C 07 33 45.60 +60 39 48.6 q 703
2016-01-21 06:26:10 C 07 33 44.11 +60 39 35.5 q 703
2016-01-23 05:12:55 C 07 28 16.78 +59 44 00.8 u H21
2016-01-23 05:15:28 C 07 28 16.48 +59 43 57.8 u H21
2016-01-23 05:18:24 C 07 28 16.14 +59 43 54.2 u H21
2016-01-23 05:21:21 C 07 28 15.78 +59 43 50.5 u H21
2016-01-23 05:24:17 C 07 28 15.43 +59 43 46.8 u H21
2016-01-23 05:27:14 C 07 28 15.04 +59 43 43.0 u H21
2016-01-23 05:30:10 C 07 28 14.67 +59 43 39.4 u H21
2016-01-23 05:33:06 C 07 28 14.32 +59 43 35.8 u H21
2016-01-23 09:27:48 C 07 27 48.211 +59 38 47.29 L F51
2016-01-23 09:46:32 C 07 27 45.897 +59 38 23.77 L F51
2016-01-23 10:05:17 C 07 27 43.600 +59 38 00.14 L F51
2016-01-24 05:25:11 C 07 25 35.07 +59 13 05.2 u H21
2016-01-24 05:28:17 C 07 25 34.71 +59 13 01.0 u H21
2016-01-24 05:31:23 C 07 25 34.33 +59 12 57.1 u H21
2016-01-24 05:34:29 C 07 25 33.96 +59 12 53.0 u H21
2016-01-24 05:37:35 C 07 25 33.59 +59 12 48.8 u H21
2016-01-24 05:40:41 C 07 25 33.23 +59 12 44.7 u H21
2016-01-24 05:43:48 C 07 25 32.86 +59 12 40.6 u H21
2016-01-24 05:46:54 C 07 25 32.49 +59 12 36.5 u H21
2016-01-24 05:50:00 C 07 25 32.14 +59 12 32.6 u H21
2016-01-24 05:53:06 C 07 25 31.74 +59 12 28.6 u H21
2016-01-24 05:56:13 C 07 25 31.38 +59 12 24.4 u H21
2016-01-24 05:59:56 C 07 25 30.94 +59 12 19.6 u H21
2016-01-24 07:23:41 C 07 25 21.65 +59 10 31.3 t 705
2016-01-24 07:25:08 C 07 25 21.51 +59 10 29.4 t 705
2016-01-24 07:26:35 C 07 25 21.38 +59 10 27.9 t 705
2016-01-26 09:47:34 C 07 20 05.59 +58 01 16.5 L T05
2016-01-26 10:19:38 C 07 20 02.10 +58 00 30.7 L T05
2016-01-26 10:24:27 C 07 20 01.48 +58 00 23.7 L T05
2016-01-26 10:47:28 C 07 19 58.95 +57 59 49.8 L T05
2016-01-29 10:25:45 C 07 13 20.54 +56 10 34.8 o D54
2016-01-29 10:36:21 C 07 13 19.65 +56 10 17.2 o D54
2016-01-29 11:06:10 C 07 13 16.81 +56 09 30.5 o D54
2016-01-30 06:13:49 C 07 11 39.04 +55 38 35.5 q 703
2016-01-30 06:20:22 C 07 11 38.40 +55 38 24.5 q 703
2016-01-30 06:26:53 C 07 11 37.96 +55 38 12.6 q 703
2016-01-30 06:33:26 C 07 11 37.32 +55 38 02.5 q 703
2016-01-30 07:47:43 C 07 11 30.06 +55 35 55.6 q H45
2016-01-30 07:49:22 C 07 11 29.90 +55 35 52.9 q H45
2016-01-30 07:50:54 C 07 11 29.73 +55 35 50.6 q H45
2016-01-30 07:52:27 C 07 11 29.63 +55 35 47.7 q H45