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
2021-08-14 11:03:41 C 22 48 13.80 -03 05 03.2 V T08
2021-08-14 11:07:47 C 22 48 13.80 -03 04 57.9 V T08
2021-08-14 11:34:49 C 22 48 13.84 -03 04 24.0 V T08
2021-08-14 23:56:53 C 22 48 19.40 -02 48 53.4 V 160
2021-08-14 23:59:46 C 22 48 19.42 -02 48 49.9 V 160
2021-08-15 00:02:41 C 22 48 19.41 -02 48 46.3 V 160
2021-08-15 10:42:42 C 22 48 24.002 -02 35 01.14 U F51
2021-08-15 11:16:35 C 22 48 24.024 -02 34 17.65 U F51
2021-08-15 11:33:31 C 22 48 24.035 -02 33 55.86 U F51
2021-08-16 10:57:17 C 22 48 32.82 -02 03 32.2 V T05
2021-08-16 10:59:55 C 22 48 32.82 -02 03 29.0 V T05
2021-08-16 11:09:52 C 22 48 32.81 -02 03 15.7 V T05
2021-08-16 11:33:31 C 22 48 32.80 -02 02 44.8 V T05
2021-08-16 22:57:24 C 22 48 36.95 -01 47 50.9 V Z80
2021-08-16 23:03:28 C 22 48 37.01 -01 47 42.5 V Z80
2021-08-18 10:53:26 C 22 48 46.28 -00 59 11.9 V T08
2021-08-18 10:57:25 C 22 48 46.27 -00 59 06.3 V T08
2021-08-18 11:07:35 C 22 48 46.25 -00 58 52.3 V T08
2021-08-18 11:38:38 C 22 48 46.16 -00 58 09.8 V T08
2021-08-20 01:24:31 C 22 48 52.73 -00 05 36.9 V L63
2021-08-20 01:36:53 C 22 48 52.74 -00 05 19.4 V L63
2021-08-20 01:48:33 C 22 48 52.71 -00 05 03.3 V L63
2021-08-20 07:36:06 C 22 48 54.31 +00 03 14.5 U I41
2021-08-20 08:54:11 C 22 48 54.02 +00 05 05.9 U I41
2021-08-20 08:58:16 C 22 48 54.01 +00 05 11.7 U I41
2021-08-20 10:06:06 C 22 48 53.75 +00 06 48.5 U I41
2021-08-21 04:43:58 S 22 48 57.684 +00 36 13.90 V C57
2021-08-21 04:43:58 s 1 +110561.23 0 -42234.924 9140.0 C57
2021-08-21 04:53:58 S 22 48 57.346 +00 36 30.42 V C57
2021-08-21 04:53:58 s 1 +111407.30 9 -41269.620 7610.0 C57
2021-08-21 05:03:58 S 22 48 57.130 +00 36 40.86 V C57
2021-08-21 05:03:58 s 1 +112245.07 0 -40301.245 8840.0 C57
2021-08-21 05:13:58 S 22 48 56.762 +00 37 02.03 V C57
2021-08-21 05:13:58 s 1 +113074.55 5 -39329.909 2960.0 C57
2021-08-21 05:23:58 S 22 48 56.729 +00 37 16.72 V C57
2021-08-21 05:23:58 s 1 +113895.80 4 -38355.718 110.0 C57
2021-08-21 05:33:58 S 22 48 56.227 +00 37 32.59 V C57
2021-08-21 05:33:58 s 1 +114708.85 9 -37378.779 430.0 C57
2021-08-21 05:43:58 S 22 48 56.237 +00 37 47.35 V C57
2021-08-21 05:43:58 s 1 +115513.76 4 -36399.195 4080.0 C57
2021-08-21 05:53:58 S 22 48 56.014 +00 38 04.06 V C57
2021-08-21 05:53:58 s 1 +116310.56 3 -35417.067 1200.0 C57
2021-08-21 06:03:58 S 22 48 55.589 +00 38 19.68 V C57
2021-08-21 06:03:58 s 1 +117099.30 0 -34432.495 1940.0 C57
2021-08-21 06:13:58 S 22 48 55.164 +00 38 37.75 V C57
2021-08-21 06:13:58 s 1 +117880.02 0 -33445.577 6460.0 C57
2021-08-21 06:23:58 S 22 48 54.686 +00 38 50.24 V C57
2021-08-21 06:23:58 s 1 +118652.76 8 -32456.409 4900.0 C57
2021-08-21 07:13:58 S 22 48 53.530 +00 40 08.47 V C57
2021-08-21 07:13:58 s 1 +122398.58 4 -27480.038 1570.0 C57