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
2024-05-17 21:18:05 C 13 46 10.315 -32 52 10.85 V M22
2024-05-17 21:22:09 C 13 46 10.114 -32 52 10.09 V M22
2024-05-17 21:29:31 C 13 46 09.754 -32 52 08.54 V M22
2024-05-17 21:43:55 C 13 46 09.050 -32 52 05.66 V M22
2024-05-19 03:09:03 C 13 44 56.470 -32 46 17.98 V W68
2024-05-19 03:14:18 C 13 44 56.234 -32 46 16.86 V W68
2024-05-19 03:21:45 C 13 44 55.877 -32 46 15.24 V W68
2024-05-19 03:37:32 C 13 44 55.128 -32 46 11.78 V W68
2024-05-25 20:54:40 C 13 39 33.022 -32 05 33.40 V M22
2024-05-25 20:58:51 C 13 39 32.873 -32 05 32.28 V M22
2024-05-25 21:07:19 C 13 39 32.590 -32 05 29.69 V M22
2024-05-25 21:26:32 C 13 39 31.980 -32 05 23.53 V M22
2024-05-25 21:47:07 C 13 39 31.308 -32 05 17.38 V M22
2024-05-25 21:54:25 C 13 39 31.075 -32 05 14.96 V M22
2024-05-25 22:08:46 C 13 39 30.617 -32 05 10.61 V M22
2024-05-25 22:12:52 C 13 39 30.487 -32 05 09.10 V M22
2024-05-27 03:20:39 C 13 38 49.078 -31 56 28.75 V W68
2024-05-27 03:25:59 C 13 38 48.936 -31 56 26.88 V W68
2024-05-27 03:29:17 C 13 38 48.806 -31 56 26.20 V W68
2024-05-27 03:35:10 C 13 38 48.631 -31 56 24.36 V W68
2024-05-27 03:36:28 C 13 38 48.588 -31 56 23.71 V W68
2024-05-27 03:44:44 C 13 38 48.350 -31 56 21.30 V W68
2024-05-27 03:50:47 C 13 38 48.190 -31 56 18.92 V W68
2024-05-27 03:59:43 C 13 38 47.923 -31 56 16.26 V W68
2024-05-28 03:18:45 C 13 38 18.881 -31 49 03.72 V W68
2024-05-28 03:23:22 C 13 38 18.756 -31 49 02.35 V W68
2024-05-28 03:31:56 C 13 38 18.523 -31 48 59.36 V W68
2024-05-28 03:47:18 C 13 38 18.127 -31 48 54.22 V W68
2024-05-28 20:47:56 C 13 37 59.510 -31 43 30.43 V M22
2024-05-28 20:53:20 C 13 37 59.388 -31 43 28.63 V M22
2024-05-28 21:02:10 C 13 37 59.167 -31 43 25.72 V M22
2024-05-28 21:19:01 C 13 37 58.750 -31 43 19.99 V M22
2024-05-29 20:56:54 C 13 37 36.005 -31 35 39.80 V M22
2024-05-29 21:00:56 C 13 37 35.918 -31 35 38.47 V M22
2024-05-29 21:09:05 C 13 37 35.743 -31 35 35.56 V M22
2024-05-29 21:24:33 C 13 37 35.414 -31 35 30.26 V M22
2024-05-31 02:57:14 C 13 37 12.806 -31 25 40.55 V W68
2024-05-31 03:01:58 C 13 37 12.742 -31 25 39.18 V W68
2024-05-31 03:10:00 C 13 37 12.576 -31 25 36.16 V W68
2024-06-01 02:24:43 C 13 36 59.621 -31 17 41.14 V W68
2024-06-01 02:28:43 C 13 36 59.561 -31 17 39.73 V W68
2024-06-01 02:36:23 C 13 36 59.441 -31 17 36.96 V W68
2024-06-01 02:52:39 C 13 36 59.191 -31 17 31.20 V W68
2024-06-02 19:26:15 C 13 36 46.28 -31 03 46.9 o C41
2024-06-02 19:58:22 C 13 36 46.03 -31 03 34.0 o C41
2024-06-05 07:28:09 C 13 36 52.157 -30 42 11.84 V T05
2024-06-05 07:35:46 C 13 36 52.130 -30 42 08.89 V T05
2024-06-05 07:41:25 C 13 36 52.114 -30 42 06.73 V T05
2024-06-05 07:56:54 C 13 36 52.078 -30 42 00.97 V T05
2024-06-08 02:10:52 C 13 37 34.207 -30 17 24.65 V W68