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
2024-11-25 10:47:03 C 05 42 15.115 +68 38 13.42 V T05
2024-11-25 10:51:01 C 05 42 14.856 +68 38 15.79 V T05
2024-11-25 10:55:00 C 05 42 14.402 +68 38 18.10 V T05
2024-11-25 11:29:37 C 05 42 11.750 +68 38 36.56 V T05
2024-11-29 10:50:32 C 05 34 24.549 +69 24 49.89 X F51
2024-11-29 11:29:50 C 05 34 20.554 +69 25 06.87 X F51
2024-11-29 11:49:30 C 05 34 18.553 +69 25 15.32 X F51
2024-11-29 12:14:04 C 05 34 16.128 +69 25 26.00 V T05
2024-11-29 12:18:41 C 05 34 15.554 +69 25 28.27 V T05
2024-11-29 13:06:10 C 05 34 10.670 +69 25 47.89 V T05
2024-11-29 13:29:22 C 05 34 08.316 +69 25 56.68 V T05
2024-12-03 10:08:24 C 05 24 38.923 +69 59 53.20 V T05
2024-12-03 10:11:40 C 05 24 38.630 +69 59 54.06 V T05
2024-12-03 10:15:41 C 05 24 37.997 +69 59 55.97 V T05
2024-12-03 10:48:05 C 05 24 34.111 +70 00 05.15 V T05
2024-12-09 10:53:01 C 05 06 49.879 +70 27 00.68 V T08
2024-12-09 10:57:40 C 05 06 49.289 +70 27 00.90 V T08
2024-12-09 11:41:58 C 05 06 42.960 +70 27 02.52 V T08
2024-12-09 11:49:57 C 05 06 41.765 +70 27 03.31 V T08
2024-12-19 09:57:50 C 04 35 09.780 +69 50 33.50 V T05
2024-12-19 10:03:03 C 04 35 09.098 +69 50 31.63 V T05
2024-12-19 10:10:59 C 04 35 08.018 +69 50 28.28 V T05
2024-12-19 10:26:14 C 04 35 05.906 +69 50 22.31 V T05
2024-12-21 09:24:28 C 04 29 25.325 +69 30 44.57 V T08
2024-12-21 09:29:11 C 04 29 24.698 +69 30 42.66 V T08
2024-12-21 09:37:51 C 04 29 23.587 +69 30 38.20 V T08
2024-12-21 10:25:59 C 04 29 17.400 +69 30 15.41 V T08
2024-12-23 09:17:34 C 04 24 00.766 +69 06 38.63 V T05
2024-12-23 09:22:10 C 04 24 00.163 +69 06 35.96 V T05
2024-12-23 09:30:03 C 04 23 59.254 +69 06 31.75 V T05
2024-12-23 10:20:57 C 04 23 53.201 +69 06 02.84 V T05
2024-12-27 09:16:13 C 04 14 36.521 +68 06 35.39 V T05
2024-12-27 09:20:48 C 04 14 36.122 +68 06 31.72 V T05
2024-12-27 09:30:41 C 04 14 35.081 +68 06 24.77 V T05
2024-12-27 09:45:13 C 04 14 33.725 +68 06 14.51 V T05
2024-12-27 17:49:19 C 04 13 54.432 +68 00 23.40 X M26
2024-12-27 18:00:18 C 04 13 53.311 +68 00 15.59 X M26
2024-12-29 08:50:18 C 04 10 45.456 +67 31 24.89 V T08
2024-12-29 08:58:16 C 04 10 44.671 +67 31 18.70 V T08
2024-12-29 09:14:12 C 04 10 43.344 +67 31 06.85 V T08
2024-12-29 09:19:29 C 04 10 42.960 +67 31 01.70 V T08
2024-12-29 09:24:07 C 04 10 42.540 +67 30 58.64 V T08
2024-12-29 09:32:13 C 04 10 41.858 +67 30 51.98 V T08
2024-12-29 09:47:30 C 04 10 40.562 +67 30 39.78 V T08
2025-01-02 08:16:39 C 04 04 45.660 +66 11 12.70 V T08
2025-01-02 08:21:16 C 04 04 45.439 +66 11 08.66 V T08
2025-01-02 08:31:58 C 04 04 44.758 +66 10 58.76 V T08
2025-01-02 08:47:15 C 04 04 43.867 +66 10 44.87 V T08
2025-01-02 08:57:11 C 04 04 43.219 +66 10 35.51 V T08
2025-01-02 09:01:48 C 04 04 42.982 +66 10 31.66 V T08