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
2024-05-01 23:16:35 C 14 04 56.494 -33 11 09.74 V M22
2024-05-01 23:21:25 C 14 04 56.210 -33 11 10.03 V M22
2024-05-01 23:28:48 C 14 04 55.810 -33 11 10.75 V M22
2024-05-01 23:47:14 C 14 04 54.780 -33 11 12.19 V M22
2024-05-02 01:26:05 B 14 04 51.42 -33 11 31.9 q X33
2024-05-02 01:32:10 B 14 04 51.11 -33 11 31.8 q X33
2024-05-02 01:38:15 B 14 04 50.56 -33 11 31.5 q X33
2024-05-03 04:24:16 C 14 03 29.066 -33 13 41.09 V W68
2024-05-03 04:28:53 C 14 03 28.790 -33 13 41.38 V W68
2024-05-03 04:37:38 C 14 03 28.303 -33 13 42.06 V W68
2024-05-03 05:28:39 C 14 03 25.440 -33 13 45.19 V W68
2024-05-04 04:16:22 C 14 02 16.411 -33 15 14.80 V W68
2024-05-04 05:04:51 C 14 02 13.642 -33 15 17.03 V W68
2024-05-04 05:09:26 C 14 02 13.378 -33 15 17.35 V W68
2024-05-04 05:17:01 C 14 02 12.955 -33 15 17.68 V W68
2024-05-05 00:29:15 C 14 01 13.625 -33 16 10.24 V M22
2024-05-05 00:33:21 C 14 01 13.406 -33 16 10.31 V M22
2024-05-05 00:50:24 C 14 01 12.458 -33 16 10.49 V M22
2024-05-05 22:26:06 C 14 00 06.701 -33 16 54.23 V M22
2024-05-05 22:30:30 C 14 00 06.442 -33 16 54.34 V M22
2024-05-05 22:37:59 C 14 00 06.005 -33 16 54.34 V M22
2024-05-05 22:56:17 C 14 00 04.961 -33 16 54.62 V M22
2024-05-07 04:02:54 C 13 58 35.446 -33 17 15.47 V W68
2024-05-07 04:08:05 C 13 58 35.148 -33 17 15.36 V W68
2024-05-07 04:16:38 C 13 58 34.651 -33 17 15.40 V W68
2024-05-07 04:30:50 C 13 58 33.835 -33 17 15.22 V W68
2024-05-08 05:20:22 C 13 57 16.958 -33 16 59.05 V W68
2024-05-08 05:35:09 C 13 57 16.092 -33 16 58.40 V W68
2024-05-08 05:50:07 C 13 57 15.264 -33 16 57.61 V W68
2024-05-08 22:13:22 C 13 56 25.445 -33 16 32.09 V M22
2024-05-08 22:17:34 C 13 56 25.202 -33 16 31.91 V M22
2024-05-08 22:25:37 C 13 56 24.737 -33 16 31.40 V M22
2024-05-08 23:17:05 C 13 56 21.799 -33 16 28.78 V M22
2024-05-09 21:50:19 C 13 55 13.394 -33 15 32.04 V M22
2024-05-09 21:55:33 C 13 55 13.094 -33 15 31.68 V M22
2024-05-09 22:03:05 C 13 55 12.662 -33 15 31.32 V M22
2024-05-09 22:24:26 C 13 55 11.436 -33 15 29.92 V M22
2024-05-09 23:13:07 C 13 55 08.690 -33 15 26.60 V M22
2024-05-12 03:49:33 C 13 52 31.183 -33 11 38.90 V W68
2024-05-12 03:54:50 C 13 52 30.883 -33 11 38.65 V W68
2024-05-12 04:03:16 C 13 52 30.413 -33 11 37.72 V W68
2024-05-12 04:18:08 C 13 52 29.587 -33 11 36.13 V W68
2024-05-12 21:55:30 C 13 51 37.915 -33 09 50.36 V M22
2024-05-12 22:00:42 C 13 51 37.622 -33 09 49.90 V M22
2024-05-12 22:09:20 C 13 51 37.164 -33 09 48.67 V M22
2024-05-12 22:24:08 C 13 51 36.346 -33 09 47.05 V M22
2024-05-13 21:52:36 C 13 50 28.706 -33 07 05.66 V M22
2024-05-13 21:56:56 C 13 50 28.481 -33 07 05.27 V M22
2024-05-13 22:07:01 C 13 50 27.938 -33 07 03.79 V M22
2024-05-13 22:25:37 C 13 50 26.935 -33 07 01.31 V M22