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
2024-10-07 06:53:45 C 20 43 16.291 -06 52 31.91 V T08
2024-10-07 06:58:24 C 20 43 16.855 -06 52 29.68 V T08
2024-10-07 07:12:29 C 20 43 18.535 -06 52 23.63 V T08
2024-10-09 07:25:57 C 20 49 10.073 -06 31 22.58 V T05
2024-10-09 07:31:09 C 20 49 10.675 -06 31 20.57 V T05
2024-10-09 07:43:40 C 20 49 12.156 -06 31 15.24 V T05
2024-10-09 07:59:57 C 20 49 14.074 -06 31 07.97 V T05
2024-10-09 08:13:46 C 20 49 15.641 -06 31 02.06 V T05
2024-10-20 02:48:42 C 21 18 58.896 -04 42 57.02 V G96
2024-10-20 02:56:05 C 21 18 59.684 -04 42 54.04 V G96
2024-10-20 03:03:29 C 21 19 00.484 -04 42 50.90 V G96
2024-10-20 03:10:51 C 21 19 01.261 -04 42 48.02 V G96
2024-10-21 03:19:01 C 21 21 39.661 -04 33 00.83 V 703
2024-10-21 03:29:01 C 21 21 40.752 -04 32 56.72 V 703
2024-10-24 02:05:56 C 21 29 17.429 -04 04 20.32 V W68
2024-10-24 02:31:00 C 21 29 20.059 -04 04 10.06 V W68
2024-10-24 02:58:17 C 21 29 22.908 -04 03 59.47 V W68
2024-10-24 03:19:37 C 21 29 25.140 -04 03 51.05 V W68
2024-10-26 03:58:13 C 21 34 34.464 -03 44 37.82 V 703
2024-10-26 04:01:34 C 21 34 34.828 -03 44 36.78 V 703
2024-10-26 04:04:54 C 21 34 35.144 -03 44 36.13 V 703
2024-10-26 04:08:14 C 21 34 35.472 -03 44 34.66 V 703
2024-10-28 00:42:32 C 21 39 15.149 -03 26 42.14 V W68
2024-10-28 00:47:09 C 21 39 15.617 -03 26 39.70 V W68
2024-10-28 00:55:43 C 21 39 16.466 -03 26 36.20 V W68
2024-10-28 01:12:11 C 21 39 18.115 -03 26 29.69 V W68
2024-10-30 05:32:24 C 21 44 42.259 -03 05 56.80 X F51
2024-10-30 05:50:50 C 21 44 44.099 -03 05 49.55 X F51
2024-10-30 06:09:29 C 21 44 45.955 -03 05 42.18 X F51
2024-10-30 06:27:52 C 21 44 47.783 -03 05 34.91 X F51
2024-11-01 03:02:14 C 21 49 20.269 -02 48 01.33 V G96
2024-11-01 03:09:40 C 21 49 21.022 -02 47 58.70 V G96
2024-11-01 03:17:06 C 21 49 21.720 -02 47 55.72 V G96
2024-11-01 03:24:31 C 21 49 22.458 -02 47 52.76 V G96
2024-11-04 05:35:03 C 21 56 49.369 -02 18 37.86 X F51
2024-11-04 05:53:23 C 21 56 51.143 -02 18 30.63 X F51
2024-11-04 06:11:42 C 21 56 52.924 -02 18 23.42 X F51
2024-11-13 06:41:23 C 22 17 55.261 -00 53 01.28 X F51
2024-11-13 06:53:57 C 22 17 56.416 -00 52 56.17 X F51
2024-11-13 07:18:56 C 22 17 58.745 -00 52 46.33 X F51
2024-12-14 01:57:16 C 23 24 08.402 +04 04 59.09 V G96
2024-12-14 02:05:23 C 23 24 09.076 +04 05 02.72 V G96
2024-12-14 02:13:29 C 23 24 09.709 +04 05 05.53 V G96
2024-12-14 02:21:38 C 23 24 10.451 +04 05 09.06 V G96
2024-12-19 05:07:49 C 23 34 35.550 +04 55 51.90 X F51
2024-12-19 05:15:17 C 23 34 36.146 +04 55 54.86 X F51
2024-12-19 05:22:45 C 23 34 36.772 +04 55 58.00 X F51
2024-12-19 05:30:14 C 23 34 37.393 +04 56 01.19 X F51
2025-02-23 03:02:14 C 01 42 25.578 +15 35 12.80 V V00
2025-02-23 03:10:19 C 01 42 26.212 +15 35 15.97 V V00