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
2021-09-30 09:14:26 C 22 50 15.96 +28 37 15.8 V T05
2021-09-30 09:25:24 C 22 50 16.14 +28 37 33.1 V T05
2021-09-30 09:39:37 C 22 50 16.36 +28 37 55.3 V T05
2021-09-30 10:24:25 C 22 50 16.22 +28 38 51.4 U I41
2021-09-30 21:33:32 C 22 50 36.03 +28 56 24.6 17.0 q 122
2021-09-30 21:53:13 C 22 50 36.40 +28 56 55.5 17.1 q 122
2021-09-30 22:10:21 C 22 50 36.73 +28 57 22.1 17.0 q 122
2021-10-01 04:46:22 C 22 50 48.38 +29 07 44.4 U I41
2021-10-01 04:47:42 C 22 50 48.41 +29 07 46.5 U I41
2021-10-01 06:11:14 C 22 50 49.97 +29 09 56.8 U I41
2021-10-01 06:12:36 C 22 50 50.00 +29 09 58.9 U I41
2021-10-01 19:29:09 C 22 51 13.57 +29 30 17.6 V G02
2021-10-01 19:34:52 C 22 51 13.70 +29 30 26.4 V G02
2021-10-01 19:40:40 C 22 51 13.83 +29 30 35.6 V G02
2021-10-01 23:43:12 C 22 51 19.46 +29 36 48.1 V L63
2021-10-01 23:58:36 C 22 51 19.77 +29 37 10.7 V L63
2021-10-02 00:13:59 C 22 51 20.18 +29 37 33.9 V L63
2021-10-02 05:34:13 C 22 51 31.06 +29 45 50.8 V 703
2021-10-02 05:42:19 C 22 51 32.954 +29 46 05.81 U F51
2021-10-02 05:43:06 C 22 51 31.22 +29 46 03.9 V 703
2021-10-02 05:51:25 C 22 51 31.41 +29 46 16.5 V 703
2021-10-02 05:59:31 C 22 51 31.59 +29 46 29.3 V 703
2021-10-02 06:19:45 C 22 51 33.793 +29 47 04.14 U F51
2021-10-02 06:38:33 C 22 51 34.197 +29 47 33.39 U F51
2021-10-02 12:42:06 C 22 51 42.19 +29 56 37.1 V T08
2021-10-02 12:46:45 C 22 51 42.30 +29 56 43.9 V T08
2021-10-02 12:54:42 C 22 51 42.52 +29 56 55.4 V T08
2021-10-02 13:12:43 C 22 51 43.00 +29 57 21.3 V T08
2021-10-02 23:49:17 C 22 52 04.49 +30 13 09.9 V L63
2021-10-02 23:57:32 C 22 52 04.69 +30 13 22.2 V L63
2021-10-03 00:07:49 C 22 52 04.97 +30 13 37.2 V L63
2021-10-04 09:35:29 C 22 53 14.69 +31 02 56.2 V T05
2021-10-04 10:08:49 C 22 53 15.59 +31 03 43.3 V T05
2021-10-04 10:15:10 C 22 53 15.75 +31 03 52.3 V T05
2021-10-04 10:23:16 C 22 53 15.97 +31 04 03.6 V T05
2021-10-06 08:16:15 C 22 55 05.19 +32 08 31.9 V T08
2021-10-06 09:04:53 C 22 55 06.72 +32 09 38.3 V T08
2021-10-06 09:10:12 C 22 55 06.92 +32 09 45.4 V T08
2021-10-06 09:45:56 C 22 55 08.04 +32 10 33.5 V T08
2021-10-08 23:25:49 C 22 57 58.29 +33 31 25.9 Y 557
2021-10-09 00:31:03 C 22 58 01.23 +33 32 45.9 Y 557
2021-10-09 01:38:51 C 22 58 04.41 +33 34 08.4 Y 557
2021-10-09 02:33:44 C 22 58 07.10 +33 35 15.0 Y 557
2021-10-09 19:44:54 C 22 59 02.19 +33 56 52.5 V G02
2021-10-09 19:54:03 C 22 59 02.60 +33 57 03.7 V G02
2021-10-09 20:03:14 C 22 59 03.02 +33 57 15.0 V G02
2021-10-10 18:03:48 C 23 00 15.32 +34 23 56.8 Y 557
2021-10-10 19:18:07 C 23 00 18.98 +34 25 27.6 Y 557
2021-10-10 20:15:43 C 23 00 21.77 +34 26 37.1 Y 557
2021-10-10 21:17:01 C 23 00 24.74 +34 27 50.2 Y 557