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
2021-10-10 22:15:30 C 23 00 27.60 +34 28 58.9 Y 557
2021-10-10 23:23:28 C 23 00 30.98 +34 30 18.0 Y 557
2021-10-11 00:21:25 C 23 00 33.95 +34 31 24.6 Y 557
2021-10-11 01:22:40 C 23 00 37.19 +34 32 34.4 Y 557
2021-10-11 02:20:36 C 23 00 40.37 +34 33 40.0 Y 557
2021-10-11 05:10:23 C 23 00 51.61 +34 37 20.9 V 703
2021-10-11 05:18:49 C 23 00 52.02 +34 37 31.3 V 703
2021-10-11 05:27:11 C 23 00 52.41 +34 37 40.7 V 703
2021-10-11 05:35:14 C 23 00 52.79 +34 37 50.3 V 703
2021-10-11 08:43:09 C 23 01 03.42 +34 41 38.2 V T08
2021-10-11 08:49:09 C 23 01 03.71 +34 41 44.8 V T08
2021-10-11 08:57:07 C 23 01 04.10 +34 41 54.5 V T08
2021-10-11 09:14:24 C 23 01 04.92 +34 42 14.3 V T08
2021-10-11 21:11:13 C 23 01 47.72 +34 55 51.9 X Z43
2021-10-11 21:17:04 C 23 01 48.03 +34 55 58.8 X Z43
2021-10-11 21:22:54 C 23 01 48.32 +34 56 05.5 X Z43
2021-10-11 23:20:20 C 23 01 54.18 +34 58 21.1 16.9 122
2021-10-11 23:26:03 C 23 01 54.25 +34 58 26.6 V L63
2021-10-11 23:36:21 C 23 01 54.81 +34 58 38.3 V L63
2021-10-11 23:36:47 C 23 01 55.03 +34 58 39.3 17.0 122
2021-10-11 23:47:40 C 23 01 55.40 +34 58 50.7 V L63
2021-10-11 23:55:53 C 23 01 56.05 +34 59 00.9 17.1 122
2021-10-13 09:09:33 C 23 03 59.25 +35 36 28.6 V T05
2021-10-13 09:14:10 C 23 03 59.49 +35 36 33.5 V T05
2021-10-13 09:22:49 C 23 03 59.95 +35 36 42.7 V T05
2021-10-13 09:37:20 C 23 04 00.74 +35 36 58.2 V T05
2021-10-13 18:17:11 C 23 04 36.19 +35 46 05.2 Y 557
2021-10-13 19:06:48 C 23 04 39.10 +35 46 59.8 Y 557
2021-10-13 20:02:36 C 23 04 42.34 +35 48 00.6 Y 557
2021-10-13 20:13:24 C 23 04 43.46 +35 48 12.4 X Z43
2021-10-13 20:24:36 C 23 04 44.12 +35 48 24.3 X Z43
2021-10-13 20:35:49 C 23 04 44.77 +35 48 36.8 X Z43
2021-10-13 21:00:32 C 23 04 45.68 +35 49 02.8 Y 557
2021-10-13 21:36:04 C 23 04 47.74 +35 49 43.9 V L47
2021-10-13 21:39:02 C 23 04 47.90 +35 49 47.2 V L47
2021-10-13 22:13:39 C 23 04 49.95 +35 50 20.2 Y 557
2021-10-13 23:08:32 C 23 04 53.20 +35 51 17.5 Y 557
2021-10-13 23:26:29 C 23 04 54.23 +35 51 40.4 V L63
2021-10-13 23:36:47 C 23 04 54.84 +35 51 49.9 V L63
2021-10-13 23:48:08 C 23 04 55.52 +35 52 01.8 V L63
2021-10-14 09:14:23 C 23 05 33.602 +36 02 17.63 U F52
2021-10-14 09:29:04 C 23 05 34.437 +36 02 32.73 U F52
2021-10-14 09:43:43 C 23 05 35.277 +36 02 47.68 U F52
2021-10-14 09:58:20 C 23 05 36.115 +36 03 02.50 U F52
2021-10-14 17:33:55 C 23 06 09.48 +36 10 44.1 V L47
2021-10-14 17:37:26 C 23 06 09.76 +36 10 48.0 V L47
2021-10-14 17:53:07 C 23 06 10.64 +36 11 04.9 V L47
2021-10-14 17:56:31 C 23 06 10.90 +36 11 08.7 V L47
2021-10-14 22:15:08 C 23 06 26.78 +36 15 37.3 V A16
2021-10-14 22:36:08 C 23 06 28.07 +36 15 58.5 V A16