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
2021-08-07 09:35:58 C 21 01 13.01 -30 54 51.3 – V T05
2021-08-07 09:40:34 C 21 01 12.62 -30 54 50.9 – V T05
2021-08-07 10:15:08 C 21 01 09.78 -30 54 42.5 – V T05
2021-08-14 09:12:39 C 20 48 29.618 -30 10 14.44 – U F51
2021-08-14 09:27:38 C 20 48 28.499 -30 10 09.94 – U F51
2021-08-14 09:29:31 C 20 48 28.359 -30 10 09.23 – U F51
2021-08-14 09:42:38 C 20 48 27.376 -30 10 05.30 – U F51
2021-08-14 09:44:30 C 20 48 27.242 -30 10 04.81 – U F51
2021-08-14 09:57:39 C 20 48 26.259 -30 10 00.66 – U F51
2021-08-14 09:59:31 C 20 48 26.118 -30 10 00.25 – U F51
2021-08-28 07:05:46 C 20 28 00.101 -28 10 26.26 – U F51
2021-08-28 07:22:30 C 20 27 59.241 -28 10 19.62 – U F51
2021-08-28 07:23:26 C 20 27 59.195 -28 10 19.23 – U F51
2021-08-28 07:39:16 C 20 27 58.381 -28 10 12.98 – U F51
2021-08-28 07:40:12 C 20 27 58.338 -28 10 12.50 – U F51
2021-08-28 07:56:00 C 20 27 57.521 -28 10 06.25 – U F51
2021-08-28 07:56:55 C 20 27 57.481 -28 10 05.82 – U F51
2021-09-07 07:07:42 C 20 18 32.802 -26 30 22.27 – U F51
2021-09-07 07:23:25 C 20 18 32.307 -26 30 15.47 – U F51
2021-09-07 07:39:04 C 20 18 31.815 -26 30 08.83 – U F51
2021-09-07 07:54:50 C 20 18 31.319 -26 30 02.12 – U F51
2021-09-10 05:55:08 C 20 16 39.510 -26 00 01.87 – U F51
2021-09-10 06:10:56 C 20 16 39.106 -25 59 55.24 – U F51
2021-09-10 06:26:46 C 20 16 38.698 -25 59 48.47 – U F51
2021-09-10 06:42:36 C 20 16 38.287 -25 59 41.71 – U F51
2021-09-24 02:44:04 C 20 12 53.95 -23 37 45.2 – V G96
2021-09-24 02:52:27 C 20 12 53.95 -23 37 41.3 – V G96
2021-09-24 03:00:50 C 20 12 53.91 -23 37 37.7 – V G96
2021-09-24 03:09:12 C 20 12 53.90 -23 37 34.6 – V G96
2023-04-27 02:54:15 C 17 50 29.213 -65 49 40.66 – V M22
2023-04-27 03:32:27 C 17 50 28.817 -65 50 03.95 – V M22
2023-04-27 03:38:46 C 17 50 28.759 -65 50 08.59 – V M22
2023-04-27 03:47:44 C 17 50 28.834 -65 50 13.34 – V M22
2023-05-21 01:54:48 C 17 13 04.298 -69 26 00.46 – V M22
2023-05-21 01:58:52 C 17 13 03.730 -69 26 00.74 – V M22
2023-05-21 02:17:35 C 17 13 01.394 -69 26 01.32 – V M22
2023-05-21 02:41:52 C 17 12 58.085 -69 26 01.43 – V M22
2023-05-25 06:01:05 C 17 00 42.334 -69 21 38.59 – V W68
2023-05-25 06:09:35 C 17 00 41.076 -69 21 37.19 – V W68
2023-05-25 06:14:14 C 17 00 40.522 -69 21 36.68 – V W68
2023-05-25 07:02:39 C 17 00 34.015 -69 21 30.42 – V W68
2024-10-05 13:41:12 C 05 13 48.012 +53 22 54.69 – X F52
2024-10-05 13:53:41 C 05 13 48.867 +53 23 04.44 – X F52
2024-10-05 14:06:08 C 05 13 49.727 +53 23 14.12 – X F52
2024-11-02 21:13:43 C 05 51 01.818 +62 19 20.41 – W M01
2024-11-02 23:15:35 C 05 51 04.529 +62 20 58.38 – W M01
2024-11-03 00:24:12 C 05 51 06.135 +62 21 53.97 – W M01
2024-11-16 12:28:08 C 05 52 14.785 +66 24 50.98 – X F52
2024-11-16 12:52:09 C 05 52 14.026 +66 25 07.72 – X F52
2024-11-16 13:13:26 C 05 52 13.370 +66 25 21.97 – X F52