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
2016-04-12 20:11:16 C 08 09 48.51 +03 12 41.2 q 160
2016-04-12 20:14:13 C 08 09 48.72 +03 12 37.5 q 160
2016-04-12 20:17:08 C 08 09 48.93 +03 12 34.3 q 160
2016-04-15 09:09:24 S 08 15 06.228 +02 02 33.07 L C51
2016-04-18 20:16:31 C 08 22 26.50 +00 30 06.1 q 160
2016-04-18 20:19:29 C 08 22 26.81 +00 30 03.5 q 160
2016-04-18 20:22:27 C 08 22 27.12 +00 29 59.4 q 160
2016-04-19 04:20:47 C 08 23 09.70 +00 21 23.1 q 703
2016-04-19 04:29:27 C 08 23 10.46 +00 21 13.4 q 703
2016-04-19 04:38:06 C 08 23 11.20 +00 21 04.0 q 703
2016-04-19 20:11:27 C 08 24 34.92 +00 04 16.5 q 160
2016-04-19 20:14:25 C 08 24 35.20 +00 04 13.5 q 160
2016-04-19 20:16:47 C 08 24 35.37 +00 04 11.0 q 160
2016-04-21 23:18:04 C 08 29 11.91 -00 49 42.3 u 807
2016-04-21 23:21:29 C 08 29 12.21 -00 49 45.9 u 807
2016-04-21 23:25:03 C 08 29 12.52 -00 49 49.6 u 807
2016-04-21 23:28:17 C 08 29 12.80 -00 49 53.0 u 807
2016-04-21 23:31:53 C 08 29 13.12 -00 49 56.7 u 807
2017-08-08 12:41:07 C 01 28 55.669 +24 29 21.05 L F51
2017-08-08 12:57:04 C 01 28 55.883 +24 29 31.86 L F51
2017-08-08 13:29:08 C 01 28 56.304 +24 29 53.21 L F51
2017-09-01 10:42:55 C 01 27 45.130 +30 45 30.84 L F51
2017-09-01 10:58:48 C 01 27 44.757 +30 45 40.85 L F51
2017-09-01 11:14:43 C 01 27 44.379 +30 45 51.04 L F51
2017-09-01 11:30:39 C 01 27 44.012 +30 46 01.10 L F51
2017-09-12 13:34:48 C 01 19 05.023 +33 23 09.69 L F51
2017-09-12 13:53:11 C 01 19 04.183 +33 23 19.66 L F51
2017-09-12 14:29:53 C 01 19 02.505 +33 23 39.40 L F51
2017-09-30 07:10:43 C 00 53 26.34 +36 23 18.1 q 703
2017-09-30 07:18:50 C 00 53 25.66 +36 23 20.3 q 703
2017-09-30 07:27:37 C 00 53 24.99 +36 23 22.0 q 703
2017-09-30 07:36:57 C 00 53 24.26 +36 23 25.2 q 703
2017-10-01 10:15:51 C 00 51 23.56 +36 30 17.7 q G96
2017-10-01 10:38:41 C 00 51 21.77 +36 30 23.2 q G96
2017-10-01 10:51:53 C 00 51 20.76 +36 30 26.3 q G96
2017-10-01 11:04:34 C 00 51 19.77 +36 30 29.0 q G96
2017-10-03 10:33:26 C 00 47 40.994 +36 41 15.46 L F51
2017-10-03 10:49:58 C 00 47 39.664 +36 41 18.97 L F51
2017-10-03 11:06:35 C 00 47 38.322 +36 41 22.36 L F51
2017-10-09 06:19:50 C 00 36 30.90 +37 00 56.6 U 703
2017-10-09 06:28:44 C 00 36 30.16 +37 00 59.1 U 703
2017-10-09 06:37:32 C 00 36 29.39 +37 00 58.7 U 703
2017-10-09 06:46:22 C 00 36 28.58 +37 00 59.1 U 703
2017-10-11 06:06:07 C 00 32 37.40 +37 03 32.9 U G96
2017-10-11 06:13:52 C 00 32 36.73 +37 03 33.2 U G96
2017-10-11 06:21:55 C 00 32 36.05 +37 03 33.7 U G96
2017-10-11 06:28:47 C 00 32 35.48 +37 03 33.7 U G96
2017-10-15 05:25:47 C 00 24 52.77 +37 02 22.4 U 703
2017-10-15 05:34:03 C 00 24 52.05 +37 02 21.5 U 703
2017-10-15 05:42:25 C 00 24 51.43 +37 02 21.5 U 703