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
2024-03-16 06:14:51 C 14 22 55.169 -26 26 27.67 V W68
2024-03-16 06:19:15 C 14 22 55.375 -26 26 29.98 V W68
2024-03-16 06:29:14 C 14 22 55.387 -26 26 34.12 V W68
2024-03-17 23:39:10 C 14 23 42.895 -26 46 26.47 V M22
2024-03-17 23:45:09 C 14 23 42.979 -26 46 28.85 V M22
2024-03-17 23:49:48 C 14 23 42.974 -26 46 31.22 V M22
2024-03-17 23:58:00 C 14 23 43.186 -26 46 36.19 V M22
2024-03-18 23:34:35 C 14 24 07.807 -26 57 55.94 V M22
2024-03-18 23:38:49 C 14 24 07.831 -26 57 57.13 V M22
2024-03-18 23:46:42 C 14 24 07.987 -26 58 02.03 V M22
2024-03-18 23:55:58 C 14 24 08.105 -26 58 05.09 V M22
2024-03-21 07:19:55 C 14 24 58.394 -27 24 33.41 V W68
2024-03-21 07:24:02 C 14 24 58.414 -27 24 36.29 V W68
2024-03-21 07:56:57 C 14 24 58.757 -27 24 51.95 V W68
2024-03-21 08:37:40 C 14 24 59.090 -27 25 11.82 V W68
2024-04-01 06:49:51 C 14 26 24.614 -29 26 07.94 V W68
2024-04-01 06:54:26 C 14 26 24.569 -29 26 09.60 V W68
2024-04-01 07:02:20 C 14 26 24.514 -29 26 13.31 V W68
2024-04-01 07:17:50 C 14 26 24.403 -29 26 20.65 V W68
2024-04-02 00:43:31 C 14 26 20.333 -29 34 00.01 V M22
2024-04-02 01:02:35 C 14 26 20.170 -29 34 08.36 V M22
2024-04-02 01:20:40 C 14 26 20.016 -29 34 15.96 V M22
2024-04-04 23:32:13 C 14 25 50.069 -30 04 29.93 V M22
2024-04-04 23:42:09 C 14 25 49.918 -30 04 34.03 V M22
2024-04-04 23:52:06 C 14 25 49.793 -30 04 38.17 V M22
2024-04-11 04:20:38 C 14 23 33.226 -31 04 11.50 V W68
2024-04-11 04:29:36 C 14 23 33.000 -31 04 15.13 V W68
2024-04-11 04:39:33 C 14 23 32.750 -31 04 18.91 V W68
2024-04-11 06:06:07 C 14 23 30.21 -31 04 53.3 q X74
2024-04-11 06:13:32 C 14 23 29.99 -31 04 56.1 q X74
2024-04-11 06:20:42 C 14 23 29.81 -31 04 58.8 q X74
2024-04-18 05:44:49 C 14 18 57.545 -32 02 22.06 V W68
2024-04-18 05:49:23 C 14 18 57.396 -32 02 23.42 V W68
2024-04-18 06:23:43 C 14 18 56.081 -32 02 33.68 V W68
2024-04-18 06:31:03 C 14 18 55.805 -32 02 35.77 V W68
2024-04-19 23:10:32 C 14 17 32.126 -32 14 35.56 V M22
2024-04-19 23:15:50 C 14 17 31.908 -32 14 37.21 V M22
2024-04-19 23:18:31 C 14 17 31.788 -32 14 37.68 V M22
2024-04-19 23:24:08 C 14 17 31.560 -32 14 39.41 V M22
2024-04-19 23:26:07 C 14 17 31.490 -32 14 39.91 V M22
2024-04-19 23:31:32 C 14 17 31.267 -32 14 41.42 V M22
2024-04-19 23:41:00 C 14 17 30.886 -32 14 44.12 V M22
2024-04-20 00:19:51 C 14 17 29.309 -32 14 54.78 V M22
2024-04-27 23:36:49 C 14 09 33.463 -32 58 30.68 V M22
2024-04-27 23:41:38 C 14 09 33.202 -32 58 31.19 V M22
2024-04-27 23:49:11 C 14 09 32.842 -32 58 32.45 V M22
2024-04-28 00:06:05 C 14 09 31.973 -32 58 34.64 V M22
2024-04-28 05:00:33 C 14 09 18.13 -32 59 26.5 q X74
2024-04-28 05:05:23 C 14 09 17.88 -32 59 27.1 q X74
2024-04-28 05:10:17 C 14 09 17.61 -32 59 27.7 q X74