31345 (1998 PG)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3914227292 ± 1.56e-08
Semi-major axis (a)2.0150914778 AU ± 6.09e-10
Inclination (i)6.50416036° ± 1.78e-06
Long. of Asc. Node (Ω)222.68283084° ± 1.46e-05
Arg. of Perihelion (ω)156.19339559° ± 1.56e-05
Mean Anomaly (M)168.69415338° ± 3.69e-06
Mean Motion (n)0.3445641795°/day ± 1.56e-10
Perihelion dist (q)1.22633887 AU ± 3.14e-08
Aphelion dist (Q)2.80384408 AU ± 3.14e-08
Orbital Period2.86050130 yr ± 1.30e-09
Physical Parameters
H (abs. magnitude)17.61
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.462″
Uncertainty0
Orbit TypeAmor
MOID0.232233 AU
Observations Used1555
Gaia Obs Used10
Oppositions25
Arc Total1978-2025
First Observation Used1978-10-07
Last Observation Used2025-03-24
Observations (1792)
Date Type RA Dec Mag Band Observatory
1998-08-10 20:36:21 C 22 31 34.66 +13 44 54.9 557
1998-08-10 21:04:58 C 22 31 35.10 +13 45 13.1 557
1998-08-10 23:51:25 C 22 31 37.78 +13 46 58.5 557
1998-08-11 14:59:29 C 22 31 55.44 +13 56 31.2 z 402
1998-08-11 15:00:59 C 22 31 55.44 +13 56 31.5 z 402
1998-08-11 15:02:30 C 22 31 55.47 +13 56 32.6 z 402
1998-08-11 15:04:00 C 22 31 55.49 +13 56 33.7 z 402
1998-08-11 21:37:53 C 22 32 03.22 +14 00 36.8 z 108
1998-08-11 21:43:23 C 22 32 03.44 +14 00 39.6 z 108
1998-08-11 21:48:42 C 22 32 03.58 +14 00 42.0 z 108
1998-08-12 01:32:26 C 22 32 06.68 +14 02 58.2 046
1998-08-12 01:35:17 C 22 32 06.71 +14 02 59.9 046
1998-08-12 01:38:16 C 22 32 06.77 +14 03 01.9 046
1998-08-14 13:17:55 C 22 33 12.06 +14 39 21.6 422
1998-08-14 13:19:03 C 22 33 12.08 +14 39 22.4 422
1998-08-14 13:22:08 C 22 33 12.12 +14 39 24.6 422
1998-08-14 13:24:42 C 22 33 12.15 +14 39 25.8 422
1998-08-14 20:05:52 C 22 33 19.50 +14 42 49.9 z 540
1998-08-14 20:11:25 C 22 33 19.46 +14 42 53.8 z 540
1998-08-14 20:16:39 C 22 33 19.60 +14 42 57.0 z 540
1998-08-14 20:43:41 C 22 33 19.95 +14 43 12.5 557
1998-08-14 21:33:39 C 22 33 20.66 +14 43 42.2 557
1998-08-14 22:29:30 C 22 33 21.41 +14 44 15.1 557
1998-08-14 22:35:16 C 22 33 21.62 +14 44 19.7 z 151
1998-08-14 23:13:16 C 22 33 21.86 +14 44 40.4 z 151
1998-08-14 23:34:42 C 22 33 22.26 +14 44 53.0 557
1998-08-15 00:06:00 C 22 33 22.65 +14 45 11.0 557
1998-08-15 17:12:14 C 22 33 39.61 +14 55 06.2 360
1998-08-15 17:17:14 C 22 33 39.68 +14 55 08.8 360
1998-08-15 17:21:14 C 22 33 39.71 +14 55 11.1 360
1998-08-15 22:46:52 C 22 33 46.06 +14 58 14.6 z 108
1998-08-15 22:52:06 C 22 33 46.09 +14 58 15.7 z 108
1998-08-15 23:00:50 C 22 33 46.10 +14 58 21.4 z 108
1998-08-17 00:17:02 C 22 34 10.36 +15 12 25.1 118
1998-08-17 00:27:20 C 22 34 10.47 +15 12 30.7 118
1998-08-17 20:29:04 C 22 34 30.50 +15 23 21.3 557
1998-08-17 20:32:24 C 22 34 30.54 +15 23 22.9 557
1998-08-17 20:35:45 C 22 34 30.57 +15 23 24.8 557
1998-08-19 08:21:29 C 22 35 02.80 +15 42 17.5 z 670
1998-08-19 08:36:29 C 22 35 03.02 +15 42 24.1 z 670
1998-08-19 08:54:45 C 22 35 03.14 +15 42 33.8 z 670
1998-08-19 09:01:35 C 22 35 02.91 +15 42 38.0 17.8 a 704
1998-08-19 09:18:36 C 22 35 02.94 +15 42 47.2 a 704
1998-08-19 09:36:49 C 22 35 03.19 +15 42 57.3 18.2 a 704
1998-08-19 09:55:11 C 22 35 03.47 +15 43 05.8 18.0 a 704
1998-08-19 10:13:31 C 22 35 03.64 +15 43 14.6 18.0 a 704
1998-08-19 19:35:30 C 22 35 13.74 +15 47 51.8 557
1998-08-19 20:01:26 C 22 35 14.03 +15 48 05.9 557
1998-08-19 20:40:50 C 22 35 14.54 +15 48 25.8 557
1998-08-19 20:44:09 C 22 35 14.58 +15 48 27.7 557