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
2025-02-23 03:18:27 C 01 42 26.860 +15 35 18.46 V V00
2025-12-14 09:54:24 C 08 04 41.323 +22 15 01.30 X F51
2025-12-14 10:13:08 C 08 04 40.667 +22 15 02.72 X F51
2025-12-14 10:50:40 C 08 04 39.361 +22 15 05.35 X F51
2025-12-22 10:03:29 C 07 57 19.609 +22 28 26.00 V G96
2025-12-22 10:18:28 C 07 57 18.943 +22 28 26.65 V G96
2025-12-22 10:25:57 C 07 57 18.666 +22 28 27.80 V G96
2026-01-08 09:05:06 C 07 37 28.029 +22 58 16.63 X F51
2026-01-08 09:17:52 C 07 37 27.320 +22 58 17.75 X F51
2026-01-08 09:30:26 C 07 37 26.671 +22 58 18.41 X F51
2026-01-08 09:43:10 C 07 37 25.972 +22 58 19.20 X F51