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
2021-08-29 22:44:47 C 22 48 31.37 +06 04 07.7 V Z43
2021-08-29 22:54:21 C 22 48 31.28 +06 04 24.3 V Z43
2021-08-29 23:04:43 C 22 48 31.18 +06 04 41.6 V Z43
2021-08-30 01:21:49 C 22 48 29.47 +06 08 35.0 V L63
2021-08-30 01:32:44 C 22 48 29.35 +06 08 53.5 V L63
2021-08-30 01:43:39 C 22 48 29.25 +06 09 11.8 V L63
2021-08-30 09:34:52 C 22 48 28.10 +06 22 41.9 V T08
2021-08-30 10:25:27 C 22 48 27.47 +06 24 08.1 V T08
2021-08-30 10:31:33 C 22 48 27.39 +06 24 18.4 V T08
2021-08-30 10:42:17 C 22 48 27.25 +06 24 36.6 V T08
2021-08-31 09:14:52 C 22 48 20.75 +07 03 12.5 V T08
2021-08-31 09:22:23 C 22 48 20.65 +07 03 25.6 V T08
2021-08-31 09:33:39 C 22 48 20.50 +07 03 44.9 V T08
2021-08-31 09:44:15 C 22 48 20.37 +07 04 03.3 V T08
2021-09-01 02:15:47 C 22 48 13.50 +07 32 28.3 V L63
2021-09-01 02:27:27 C 22 48 13.39 +07 32 48.5 V L63
2021-09-01 02:39:38 C 22 48 13.26 +07 33 09.4 V L63
2021-09-02 01:08:35 C 22 48 05.71 +08 12 28.7 V L63
2021-09-02 01:18:36 C 22 48 05.58 +08 12 46.4 V L63
2021-09-02 22:07:29 C 22 47 58.98 +08 49 30.1 q G33
2021-09-02 22:09:10 C 22 47 58.97 +08 49 33.3 q G33
2021-09-02 22:10:51 C 22 47 58.95 +08 49 36.2 q G33
2021-09-02 22:12:22 C 22 47 58.94 +08 49 38.8 q G33
2021-09-02 22:14:13 C 22 47 58.91 +08 49 42.0 q G33
2021-09-02 22:15:55 C 22 47 58.90 +08 49 45.1 q G33
2021-09-03 07:02:47 C 22 47 55.50 +09 05 30.0 U I41
2021-09-03 07:38:58 C 22 47 55.01 +09 06 34.5 U I41
2021-09-03 11:14:22 C 22 47 53.192 +09 13 04.77 U F51
2021-09-03 11:32:32 C 22 47 52.932 +09 13 37.23 U F51
2021-09-03 11:50:36 C 22 47 52.678 +09 14 09.37 U F51
2021-09-03 12:08:41 C 22 47 52.438 +09 14 41.46 U F51
2021-09-03 21:32:44 C 22 47 49.74 +09 31 19.2 V 089
2021-09-03 21:36:06 C 22 47 49.68 +09 31 25.2 V 089
2021-09-03 21:39:28 C 22 47 49.65 +09 31 31.6 V 089
2021-09-03 21:46:12 C 22 47 49.56 +09 31 44.0 V 089
2021-09-04 09:09:57 C 22 47 45.67 +09 52 24.9 V T08
2021-09-04 09:13:27 C 22 47 45.62 +09 52 31.2 V T08
2021-09-04 09:18:16 C 22 47 45.55 +09 52 39.9 V T08
2021-09-04 10:09:11 C 22 47 44.81 +09 54 11.7 V T08
2021-09-05 07:42:48 C 22 47 36.29 +10 33 05.5 U I41
2021-09-05 08:52:49 C 22 47 35.33 +10 35 12.4 U I41
2021-09-05 09:11:26 C 22 47 36.27 +10 35 52.4 V T05
2021-09-05 09:14:08 C 22 47 36.23 +10 35 57.4 V T05
2021-09-05 09:20:44 C 22 47 36.14 +10 36 09.4 V T05
2021-09-05 09:27:59 C 22 47 36.03 +10 36 22.5 V T05
2021-09-05 21:07:57 C 22 47 31.29 +10 57 24.6 V 089
2021-09-05 21:11:20 C 22 47 31.23 +10 57 31.2 V 089
2021-09-05 21:14:42 C 22 47 31.20 +10 57 37.3 V 089
2021-09-05 21:18:04 C 22 47 31.16 +10 57 42.7 V 089
2021-09-05 21:21:26 C 22 47 31.10 +10 57 49.0 V 089