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
2021-08-22 07:43:58 s 1 +170190.62 4 +114949.15 6060.0 C57
2021-08-22 07:53:58 S 22 48 15.382 +01 17 25.40 V C57
2021-08-22 07:53:58 s 1 +170235.95 7 +115814.95 3480.0 C57
2021-08-22 08:03:58 S 22 48 15.233 +01 17 40.85 V C57
2021-08-22 08:03:58 s 1 +170278.76 2 +116679.02 2760.0 C57
2021-08-22 08:13:58 S 22 48 15.096 +01 17 53.38 V C57
2021-08-22 08:13:58 s 1 +170319.05 7 +117541.35 3970.0 C57
2021-08-22 08:16:36 C 22 48 57.61 +01 14 04.2 U I41
2021-08-22 08:23:58 S 22 48 14.664 +01 18 08.75 V C57
2021-08-22 08:23:58 s 1 +170356.85 9 +118401.96 7150.0 C57
2021-08-22 08:33:58 S 22 48 14.604 +01 18 30.53 V C57
2021-08-22 08:33:58 s 1 +170392.18 4 +119260.83 2360.0 C57
2021-08-22 08:43:58 S 22 48 14.201 +01 18 40.93 V C57
2021-08-22 08:43:58 s 1 +170425.05 0 +120117.98 9660.0 C57
2021-08-22 08:53:58 S 22 48 13.970 +01 18 52.20 V C57
2021-08-22 08:53:58 s 1 +170455.47 4 +120973.39 9100.0 C57
2021-08-22 09:03:58 S 22 48 13.949 +01 19 10.38 V C57
2021-08-22 09:03:58 s 1 +170483.47 1 +121827.06 730.0 C57
2021-08-22 09:13:58 S 22 48 13.793 +01 19 24.56 V C57
2021-08-22 09:13:58 s 1 +170509.05 9 +122679.01 4610.0 C57
2021-08-22 09:23:58 S 22 48 13.550 +01 19 39.25 V C57
2021-08-22 09:23:58 s 1 +170532.25 3 +123529.22 800.0 C57
2021-08-22 09:33:58 S 22 48 13.596 +01 19 51.53 V C57
2021-08-22 09:33:58 s 1 +170553.07 0 +124377.70 9340.0 C57
2021-08-22 09:43:58 S 22 48 13.522 +01 20 12.37 V C57
2021-08-22 09:43:58 s 1 +170571.52 5 +125224.45 280.0 C57
2021-08-22 10:13:58 S 22 48 12.583 +01 20 55.75 V C57
2021-08-22 10:13:58 s 1 +170612.88 0 +127754.30 8060.0 C57
2021-08-22 10:23:58 S 22 48 12.094 +01 21 06.77 V C57
2021-08-22 10:23:58 s 1 +170622.04 7 +128594.12 9130.0 C57
2021-08-22 11:23:58 S 22 48 10.961 +01 22 31.55 V C57
2021-08-22 11:23:58 s 1 +170629.61 4 +133596.70 3130.0 C57
2021-08-22 11:33:58 S 22 48 10.848 +01 22 50.74 V C57
2021-08-22 11:33:58 s 1 +170623.10 9 +134424.42 3840.0 C57
2021-08-22 11:43:58 S 22 48 10.327 +01 23 09.06 V C57
2021-08-22 11:43:58 s 1 +170614.42 2 +135250.40 7540.0 C57
2021-08-22 11:53:58 S 22 48 10.843 +01 23 25.73 V C57
2021-08-22 11:53:58 s 1 +170603.57 0 +136074.66 4280.0 C57
2021-08-22 13:23:58 S 22 48 08.570 +01 25 38.21 V C57
2021-08-22 13:23:58 s 1 +170410.71 6 +143415.41 9250.0 C57
2021-08-22 13:33:58 S 22 48 08.158 +01 25 52.10 V C57
2021-08-22 13:33:58 s 1 +170378.96 0 +144222.44 8870.0 C57
2021-08-22 13:43:58 S 22 48 08.275 +01 26 07.76 V C57
2021-08-22 13:43:58 s 1 +170345.18 7 +145027.76 2010.0 C57
2021-08-22 13:53:58 S 22 48 08.090 +01 26 21.73 V C57
2021-08-22 13:53:58 s 1 +170309.41 0 +145831.37 8710.0 C57
2021-08-22 14:03:58 S 22 48 07.733 +01 26 39.55 V C57
2021-08-22 14:03:58 s 1 +170271.64 1 +146633.26 9030.0 C57
2021-08-22 14:13:58 S 22 48 07.490 +01 26 49.60 V C57
2021-08-22 14:13:58 s 1 +170231.89 3 +147433.44 3000.0 C57