353938 (1998 QR15)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5584874298 ± 1.21e-08
Semi-major axis (a)2.7690201995 AU ± 1.29e-09
Inclination (i)9.44754907° ± 1.97e-06
Long. of Asc. Node (Ω)320.07138133° ± 8.24e-06
Arg. of Perihelion (ω)57.05125124° ± 1.39e-05
Mean Anomaly (M)320.81880749° ± 1.91e-06
Mean Motion (n)0.2139060610°/day ± 1.49e-10
Perihelion dist (q)1.22255723 AU ± 3.36e-08
Aphelion dist (Q)4.31548317 AU ± 3.37e-08
Orbital Period4.60775295 yr ± 3.22e-09
Physical Parameters
H (abs. magnitude)18.33
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.364″
Uncertainty0
Orbit TypeAmor
MOID0.262430 AU
Observations Used1447
Oppositions19
Arc Total1998-2022
First Observation Used1998-08-17
Last Observation Used2022-01-22
Observations (1981)
Date Type RA Dec Mag Band Observatory
1998-10-23 18:22:39 C 22 42 33.13 +34 30 43.0 z 540
1998-10-23 23:01:44 C 22 43 01.84 +34 35 16.1 z 071
1998-10-23 23:04:29 C 22 43 02.08 +34 35 19.7 z 071
1998-10-23 23:07:14 C 22 43 02.42 +34 35 22.0 z 071
1998-10-25 11:13:44 C 22 47 10.11 +35 09 57.1 360
1998-10-25 11:17:30 C 22 47 10.53 +35 10 00.6 360
1998-10-25 11:21:00 C 22 47 10.92 +35 10 03.9 360
1998-10-25 19:33:03 C 22 48 08.07 +35 17 29.8 16.8 143
1998-10-25 19:39:49 C 22 48 08.77 +35 17 36.4 17.4 143
1998-10-25 19:46:35 C 22 48 09.38 +35 17 42.0 16.6 143
1998-10-26 19:25:24 C 22 50 57.44 +35 38 47.8 118
1998-10-26 19:27:41 C 22 50 57.72 +35 38 50.0 118
1998-10-26 19:29:45 C 22 50 57.95 +35 38 51.9 118
1998-10-27 20:16:29 C 22 53 58.29 +36 00 03.2 z 587
1998-10-27 20:28:39 C 22 53 59.77 +36 00 13.0 z 587
1998-10-28 19:01:05 C 22 56 48.34 +36 18 41.9 17.3 z 132
1998-10-28 20:01:20 C 22 56 55.50 +36 19 27.7 17.2 z 132
1998-10-28 20:09:40 C 22 56 56.49 +36 19 34.5 z 587
1998-10-28 20:13:39 C 22 56 56.92 +36 19 37.5 z 587
1998-11-05 18:51:45 C 23 22 47.48 +38 23 20.5 118
1998-11-05 19:00:50 C 23 22 48.75 +38 23 25.2 118
1998-11-06 06:18:43 C 23 24 25.40 +38 29 03.5 a 699
1998-11-06 06:54:31 C 23 24 30.37 +38 29 18.2 a 699
1998-11-06 07:30:18 C 23 24 35.26 +38 29 34.8 a 699
1998-11-08 18:50:49 C 23 33 20.40 +38 55 29.8 118
1998-11-08 19:05:13 C 23 33 22.42 +38 55 35.5 118
1998-11-19 01:47:15 C 00 11 23.24 +39 49 36.8 18.2 a 704
1998-11-19 02:20:54 C 00 11 28.24 +39 49 39.7 18.6 a 704
1998-11-19 02:53:45 C 00 11 33.06 +39 49 42.1 18.7 a 704
1998-11-19 03:26:32 C 00 11 38.16 +39 49 45.3 18.4 a 704
1998-11-19 03:59:24 C 00 11 42.86 +39 49 46.9 19.1 a 704
1998-11-24 19:00:57 C 00 32 56.29 +39 47 18.8 118
1998-11-24 19:03:40 C 00 32 56.69 +39 47 18.4 118
1998-11-24 19:09:52 C 00 32 57.63 +39 47 18.0 118
1998-11-25 12:53:00 C 00 35 43.35 +39 45 42.5 360
1998-11-25 12:56:59 C 00 35 43.95 +39 45 42.3 360
1998-11-25 13:00:29 C 00 35 44.45 +39 45 42.0 360
1998-12-23 10:06:46 C 02 11 34.35 +36 36 26.4 z 402
1998-12-23 10:09:02 C 02 11 34.85 +36 36 25.7 z 402
1998-12-23 10:11:21 C 02 11 35.11 +36 36 24.6 z 402
2002-06-08 05:48:50 C 15 10 15.08 -31 59 46.8 c 809
2002-06-08 05:52:20 C 15 10 14.93 -31 59 45.9 c 809
2002-06-08 05:55:48 C 15 10 14.78 -31 59 44.5 c 809
2002-06-08 05:59:16 C 15 10 14.63 -31 59 44.3 c 809
2007-12-14 01:56:41 C 21 29 33.90 -08 17 07.7 o 291
2007-12-14 02:02:00 C 21 29 34.62 -08 17 03.1 o 291
2007-12-14 02:07:33 C 21 29 35.52 -08 16 58.7 o 291
2012-12-12 09:26:42 C 08 54 56.30 +27 26 02.6 q 448
2012-12-12 10:23:58 C 08 54 54.23 +27 26 04.5 q 448
2012-12-12 11:27:02 C 08 54 52.13 +27 26 04.2 q 448