31346 (1998 PB1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4295369353 ± 1.38e-08
Semi-major axis (a)2.0317058364 AU ± 3.90e-10
Inclination (i)5.96560714° ± 1.46e-06
Long. of Asc. Node (Ω)299.67971278° ± 1.18e-05
Arg. of Perihelion (ω)350.65365124° ± 1.18e-05
Mean Anomaly (M)164.42707883° ± 1.87e-06
Mean Motion (n)0.3403463002°/day ± 9.80e-11
Perihelion dist (q)1.15901314 AU ± 2.79e-08
Aphelion dist (Q)2.90439853 AU ± 2.80e-08
Orbital Period2.89595122 yr ± 8.34e-10
Physical Parameters
H (abs. magnitude)17.16
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.305″
Uncertainty0
Orbit TypeAmor
MOID0.141931 AU
Observations Used1028
Oppositions18
Arc Total1998-2026
First Observation Used1998-07-14
Last Observation Used2026-01-08
Observations (1111)
Date Type RA Dec Mag Band Observatory
2001-08-25 09:53:21 C 01 57 13.11 +23 52 05.9 19.1 c 704
2001-08-25 10:11:44 C 01 57 13.11 +23 52 13.1 19.3 c 704
2001-08-25 10:30:07 C 01 57 13.13 +23 52 21.0 18.6 c 704
2001-09-10 07:55:02 C 01 51 24.55 +25 33 39.5 18.2 c 704
2001-09-10 08:16:28 C 01 51 23.68 +25 33 41.7 19.0 c 704
2001-09-10 08:37:00 C 01 51 22.97 +25 33 45.7 19.3 c 704
2001-09-10 08:57:01 C 01 51 22.23 +25 33 47.0 19.4 c 704
2001-09-10 09:16:49 C 01 51 21.45 +25 33 50.0 19.2 c 704
2001-09-19 05:49:49 C 01 42 12.33 +25 39 28.9 c 699
2001-09-19 06:25:54 C 01 42 10.41 +25 39 27.1 c 699
2001-09-19 07:01:53 C 01 42 08.47 +25 39 25.5 c 699
2001-09-19 07:37:51 C 01 42 06.51 +25 39 23.1 c 699
2001-09-19 09:23:25 C 01 42 00.81 +25 39 16.8 17.7 d 644
2001-09-19 09:53:54 C 01 41 59.13 +25 39 14.9 17.8 d 644
2001-09-19 10:24:15 C 01 41 57.45 +25 39 12.3 17.8 d 644
2001-09-23 09:33:35 C 01 36 47.83 +25 28 33.2 17.4 c 704
2001-09-23 09:54:09 C 01 36 46.62 +25 28 29.8 17.5 c 704
2001-09-23 10:14:44 C 01 36 45.37 +25 28 26.6 17.9 c 704
2001-09-25 07:49:05 C 01 34 08.00 +25 20 33.7 18.4 c 704
2001-09-25 08:10:42 C 01 34 06.66 +25 20 29.8 18.5 c 704
2001-09-25 08:32:18 C 01 34 05.31 +25 20 25.4 18.4 c 704
2001-09-25 08:53:52 C 01 34 03.98 +25 20 21.3 18.3 c 704
2001-09-25 09:15:27 C 01 34 02.64 +25 20 17.4 18.3 c 704
2001-09-26 07:52:11 C 01 32 42.82 +25 15 42.2 18.2 i 704
2001-09-26 08:15:00 C 01 32 41.41 +25 15 37.5 18.3 i 704
2001-09-26 08:36:15 C 01 32 40.07 +25 15 33.1 18.2 i 704
2001-09-26 08:57:30 C 01 32 38.69 +25 15 28.3 18.3 i 704
2001-09-26 09:20:13 C 01 32 37.28 +25 15 23.1 18.5 i 704
2001-10-13 07:25:15 C 01 08 05.24 +22 52 50.6 c 699
2001-10-13 08:00:17 C 01 08 03.16 +22 52 34.9 c 699
2001-10-13 08:30:54 C 01 08 01.41 +22 52 21.0 t 644
2001-10-13 08:35:20 C 01 08 01.03 +22 52 18.9 c 699
2001-10-13 09:00:20 C 01 07 59.66 +22 52 07.3 t 644
2001-10-13 09:19:01 C 01 07 58.47 +22 51 59.1 c 699
2001-10-13 09:29:34 C 01 07 57.95 +22 51 53.8 t 644
2001-10-16 22:15:41 C 01 03 24.17 +22 12 16.1 c 198
2001-10-16 22:31:07 C 01 03 23.33 +22 12 08.7 c 198
2001-10-16 22:57:17 C 01 03 21.89 +22 11 55.6 c 198
2001-10-18 05:54:46 C 01 01 47.78 +21 57 08.6 18.7 c 704
2001-10-18 06:18:20 C 01 01 46.53 +21 56 57.1 18.7 c 704
2001-10-18 06:42:11 C 01 01 45.32 +21 56 45.8 19.0 c 704
2001-10-18 07:05:15 C 01 01 44.05 +21 56 34.4 18.9 c 704
2001-10-18 07:28:58 C 01 01 42.80 +21 56 22.2 19.0 c 704
2001-10-19 06:06:17 C 01 00 36.60 +21 45 29.4 18.7 c 704
2001-10-19 06:30:43 C 01 00 35.33 +21 45 17.8 18.6 c 704
2001-10-19 06:54:42 C 01 00 34.04 +21 45 06.3 18.6 c 704
2001-10-20 06:41:03 C 00 59 26.43 +21 33 34.1 c 699
2001-10-20 07:09:18 C 00 59 25.09 +21 33 20.0 c 699
2001-10-20 07:37:33 C 00 59 23.64 +21 33 06.5 c 699
2001-10-20 08:05:52 C 00 59 22.25 +21 32 52.1 c 699