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
2016-02-18 05:46:33 C 06 54 46.52 +40 36 03.4 q H45
2016-02-18 05:48:34 C 06 54 46.51 +40 35 59.4 q H45
2016-02-18 05:50:11 C 06 54 46.51 +40 35 56.0 q H45
2016-02-18 05:51:40 C 06 54 46.51 +40 35 52.8 q H45
2016-02-18 05:53:00 C 06 54 46.51 +40 35 49.9 q H45
2016-02-18 05:54:03 C 06 54 46.50 +40 35 47.9 q H45
2016-02-21 01:12:38 C 06 55 20.96 +38 10 22.2 q W55
2016-02-21 01:23:32 C 06 55 21.01 +38 09 58.8 q W55
2016-02-21 01:32:26 C 06 55 21.08 +38 09 40.1 q W55
2016-02-22 06:59:19 C 06 55 47.091 +37 06 16.58 L F51
2016-02-22 07:16:31 C 06 55 47.260 +37 05 39.56 L F51
2016-02-22 07:33:41 C 06 55 47.427 +37 05 02.61 L F51
2016-02-23 02:03:58 C 06 56 07.58 +36 25 08.2 u H21
2016-02-23 02:07:06 C 06 56 07.62 +36 25 01.3 u H21
2016-02-23 02:09:37 C 06 56 07.66 +36 24 56.0 u H21
2016-02-23 02:12:09 C 06 56 07.69 +36 24 50.6 u H21
2016-02-23 02:14:40 C 06 56 07.73 +36 24 45.3 u H21
2016-02-23 02:17:11 C 06 56 07.76 +36 24 39.8 u H21
2016-02-23 02:19:42 C 06 56 07.79 +36 24 34.4 u H21
2016-02-23 02:22:13 C 06 56 07.82 +36 24 29.0 u H21
2016-02-23 02:24:44 C 06 56 07.85 +36 24 23.6 u H21
2016-02-23 02:27:15 C 06 56 07.89 +36 24 18.3 u H21
2016-02-23 02:29:46 C 06 56 07.93 +36 24 12.8 u H21
2016-02-23 02:32:18 C 06 56 07.96 +36 24 07.4 u H21
2016-02-23 02:34:49 C 06 56 08.00 +36 24 02.1 u H21
2016-02-23 02:37:19 C 06 56 08.03 +36 23 56.7 u H21
2016-02-23 02:40:05 C 06 56 08.07 +36 23 50.8 u H21
2016-02-25 14:03:23 C 06 57 27.67 +34 16 55.1 o 300
2016-02-25 14:07:53 C 06 57 27.78 +34 16 45.4 o 300
2016-02-25 14:12:22 C 06 57 27.83 +34 16 36.2 o 300
2016-02-25 14:16:53 C 06 57 27.95 +34 16 26.1 o 300
2016-02-25 14:21:22 C 06 57 28.04 +34 16 16.2 o 300
2016-02-25 14:25:53 C 06 57 28.13 +34 16 06.9 o 300
2016-02-28 03:06:52 C 06 59 15.18 +32 08 09.0 q H45
2016-02-28 03:09:25 C 06 59 15.28 +32 08 03.9 q H45
2016-02-28 03:10:47 C 06 59 15.32 +32 08 01.1 q H45
2016-02-28 03:12:25 C 06 59 15.37 +32 07 57.7 q H45
2016-02-28 03:13:29 C 06 59 15.42 +32 07 55.2 q H45
2016-02-28 03:14:33 C 06 59 15.44 +32 07 53.2 q H45
2016-03-01 21:47:51 C 07 01 37.08 +29 50 04.6 q 160
2016-03-01 21:50:08 C 07 01 37.18 +29 49 59.9 q 160
2016-03-01 21:52:24 C 07 01 37.27 +29 49 55.4 q 160
2016-03-02 12:52:11 C 07 02 13.13 +29 19 23.9 q D29
2016-03-02 13:18:55 C 07 02 14.04 +29 18 29.4 q D29
2016-03-02 13:45:39 C 07 02 14.95 +29 17 35.2 q D29
2016-03-03 08:12:25 C 07 03 00.16 +28 40 15.6 L T05
2016-03-03 08:37:23 C 07 03 01.08 +28 39 24.8 L T05
2016-03-03 09:04:35 C 07 03 02.04 +28 38 29.7 L T05
2016-03-03 09:28:35 C 07 03 02.98 +28 37 40.8 L T05
2016-03-04 04:42:32 C 07 03 52.41 +27 58 56.2 q H45