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
2017-10-15 05:50:48 C 00 24 50.72 +37 02 21.0 U 703
2017-10-22 04:47:23 C 00 11 51.72 +36 40 58.9 U 703
2017-10-22 04:54:50 C 00 11 51.16 +36 40 56.9 U 703
2017-10-22 05:02:20 C 00 11 50.54 +36 40 54.8 U 703
2017-10-22 05:10:01 C 00 11 50.04 +36 40 53.4 U 703
2017-10-25 05:23:10 C 00 06 38.70 +36 24 54.3 U 703
2017-10-25 05:31:59 C 00 06 38.01 +36 24 51.5 U 703
2017-10-25 05:40:34 C 00 06 37.39 +36 24 49.1 U 703
2017-10-25 05:48:59 C 00 06 36.76 +36 24 47.8 U 703
2017-10-28 05:02:45 C 00 01 51.08 +36 05 40.3 U 703
2017-10-28 05:21:59 C 00 01 49.62 +36 05 35.0 U 703
2017-10-28 05:31:12 C 00 01 49.05 +36 05 31.4 U 703
2017-10-29 04:28:04 C 00 00 22.05 +35 58 45.1 U G96
2017-10-29 04:36:17 C 00 00 21.51 +35 58 42.7 U G96
2017-10-29 04:44:31 C 00 00 20.97 +35 58 40.3 U G96
2017-10-29 04:52:48 C 00 00 20.45 +35 58 38.1 U G96
2017-11-12 02:51:38 C 23 44 32.86 +33 58 33.3 U G96
2017-11-12 02:59:55 C 23 44 32.57 +33 58 30.1 U G96
2017-11-12 03:08:08 C 23 44 32.30 +33 58 26.9 U G96
2017-11-12 03:16:20 C 23 44 32.03 +33 58 23.7 U G96
2017-11-23 12:18:14 C 23 39 40.60 +32 14 06.0 q D29
2017-11-23 12:41:09 C 23 39 40.42 +32 13 57.9 q D29
2017-11-23 13:04:03 C 23 39 40.32 +32 13 48.9 q D29
2017-12-09 03:11:43 C 23 44 04.25 +30 21 11.7 U G96
2017-12-09 03:19:09 C 23 44 04.43 +30 21 09.9 U G96
2017-12-09 03:26:34 C 23 44 04.62 +30 21 08.0 U G96
2017-12-09 03:33:59 C 23 44 04.80 +30 21 06.3 U G96
2017-12-09 11:02:32 C 23 44 17.08 +30 19 22.4 q D29
2017-12-09 11:28:00 C 23 44 17.72 +30 19 16.1 q D29
2017-12-09 11:53:27 C 23 44 18.36 +30 19 11.1 q D29
2017-12-14 03:04:52 C 23 47 48.36 +29 55 58.0 U 703
2017-12-14 03:20:11 C 23 47 48.82 +29 55 54.4 U 703
2017-12-14 03:27:50 C 23 47 49.00 +29 55 54.2 U 703
2018-01-17 05:23:50 C 00 36 18.491 +29 29 22.72 U F51
2018-01-17 05:38:41 C 00 36 19.656 +29 29 24.13 U F51
2018-01-17 05:53:33 C 00 36 20.817 +29 29 25.49 U F51
2018-01-17 06:08:28 C 00 36 21.991 +29 29 26.83 U F51
2019-08-07 13:30:43 C 23 30 45.516 +00 24 42.87 U F52
2019-08-07 13:47:28 C 23 30 44.811 +00 24 46.42 U F52
2019-08-07 14:04:10 C 23 30 44.097 +00 24 50.00 U F52
2019-08-07 14:20:49 C 23 30 43.397 +00 24 53.62 U F52
2019-08-21 09:06:09 C 23 14 01.93 +01 21 54.0 V 703
2019-08-21 09:13:34 C 23 14 01.48 +01 21 54.1 V 703
2019-08-21 09:20:59 C 23 14 01.08 +01 21 56.2 V 703
2019-08-21 09:28:24 C 23 14 00.67 +01 21 57.1 V 703
2019-08-22 12:24:23 C 23 12 23.628 +01 25 20.15 U F52
2019-08-22 12:42:03 C 23 12 22.520 +01 25 22.36 U F52
2019-08-22 12:59:43 C 23 12 21.416 +01 25 24.48 U F52
2019-08-22 13:17:28 C 23 12 20.308 +01 25 26.72 U F52
2019-08-26 06:24:57 C 23 06 46.70 +01 35 10.3 V 703