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
2019-08-26 06:32:28 C 23 06 46.18 +01 35 11.3 V 703
2019-08-26 06:51:35 C 23 06 44.98 +01 35 13.3 V 703
2019-08-26 07:05:32 C 23 06 44.00 +01 35 16.8 V 703
2019-08-29 11:31:24 C 23 01 44.32 +01 41 57.6 V T08
2019-08-29 11:36:11 C 23 01 44.01 +01 41 58.2 V T08
2019-08-29 11:45:01 C 23 01 43.44 +01 41 57.9 V T08
2019-08-29 12:00:49 C 23 01 42.30 +01 41 59.1 V T08
2019-08-31 10:50:46 C 22 58 34.58 +01 45 20.6 V T05
2019-08-31 11:01:29 C 22 58 33.85 +01 45 21.3 V T05
2019-08-31 11:23:09 C 22 58 32.33 +01 45 21.9 V T05
2019-08-31 11:25:08 C 22 58 32.19 +01 45 22.4 V T05
2019-09-04 07:59:36 C 22 52 14.98 +01 50 23.1 U I41
2019-09-04 09:10:11 C 22 52 10.03 +01 50 26.2 U I41
2019-09-05 07:34:03 C 22 50 38.34 +01 51 21.6 V G96
2019-09-05 07:41:56 C 22 50 37.78 +01 51 21.9 V G96
2019-09-05 07:49:47 C 22 50 37.24 +01 51 22.2 V G96
2019-09-05 07:57:38 C 22 50 36.70 +01 51 22.5 V G96
2019-09-07 07:34:27 C 22 47 21.62 +01 52 58.7 U I41
2019-09-07 09:03:54 C 22 47 15.36 +01 53 01.3 U I41
2019-09-08 22:07:45 C 22 44 44.42 +01 53 54.4 V C95
2019-09-08 22:18:10 C 22 44 43.59 +01 53 56.4 V C95
2019-09-10 07:21:38 C 22 42 29.38 +01 54 33.8 U I41
2019-09-10 09:04:02 C 22 42 22.34 +01 54 34.7 U I41
2019-09-20 04:32:12 C 22 27 15.84 +01 54 14.8 V G96
2019-09-20 04:40:13 C 22 27 15.33 +01 54 14.7 V G96
2019-09-20 04:48:13 C 22 27 14.84 +01 54 14.5 V G96
2019-09-20 04:56:15 C 22 27 14.33 +01 54 14.5 V G96
2019-09-20 05:09:45 C 22 27 13.44 +01 54 13.9 V 703
2019-09-20 05:17:27 C 22 27 13.04 +01 54 14.0 V 703
2019-09-20 05:25:09 C 22 27 12.61 +01 54 14.8 V 703
2019-09-20 05:32:51 C 22 27 12.12 +01 54 14.2 V 703
2019-09-27 08:37:13 C 22 17 42.345 +01 50 58.15 U F51
2019-09-27 08:56:17 C 22 17 41.343 +01 50 57.75 U F51
2019-09-27 09:15:22 C 22 17 40.336 +01 50 57.34 U F51
2019-09-27 09:34:24 C 22 17 39.333 +01 50 56.90 U F51
2019-10-19 06:25:19 C 22 00 24.579 +01 48 31.70 U F51
2019-10-19 06:42:44 C 22 00 24.295 +01 48 32.15 U F51
2019-10-19 07:00:08 C 22 00 24.015 +01 48 32.59 U F51
2019-10-19 07:17:36 C 22 00 23.738 +01 48 33.05 U F51
2019-11-30 05:01:33 C 22 15 29.689 +03 53 10.09 U F51
2019-11-30 05:17:37 C 22 15 30.294 +03 53 13.69 U F51
2019-11-30 05:33:39 C 22 15 30.892 +03 53 17.43 U F51
2019-11-30 05:49:44 C 22 15 31.501 +03 53 21.05 U F51
2021-07-27 22:43:10 C 21 21 17.33 -31 36 14.9 V L81
2021-07-27 22:54:42 C 21 21 16.40 -31 36 13.8 V L81
2021-07-31 09:32:56 C 21 14 40.398 -31 26 03.75 U F51
2021-07-31 09:49:44 C 21 14 39.009 -31 26 01.41 U F51
2021-07-31 10:06:34 C 21 14 37.607 -31 25 59.07 U F51
2021-07-31 10:23:21 C 21 14 36.218 -31 25 56.67 U F51
2021-08-07 09:33:20 C 21 01 13.41 -30 54 53.5 V T05