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
2021-08-21 18:23:58 S 22 48 34.860 +00 57 11.92 V C57
2021-08-21 18:23:58 s 1 +156502.99 0 +40321.666 950.0 C57
2021-08-21 18:33:58 S 22 48 34.685 +00 57 27.29 V C57
2021-08-21 18:33:58 s 1 +156823.67 3 +41313.581 7850.0 C57
2021-08-21 18:43:58 S 22 48 34.332 +00 57 41.98 V C57
2021-08-21 18:43:58 s 1 +157139.77 4 +42304.274 9900.0 C57
2021-08-21 18:53:58 S 22 48 34.116 +00 57 58.61 V C57
2021-08-21 18:53:58 s 1 +157451.32 9 +43293.730 7230.0 C57
2021-08-21 19:03:58 S 22 48 33.907 +00 58 10.56 V C57
2021-08-21 19:03:58 s 1 +157758.37 4 +44281.931 9940.0 C57
2021-08-21 19:23:58 S 22 48 33.374 +00 58 41.20 V C57
2021-08-21 19:23:58 s 1 +158359.07 4 +46254.507 2000.0 C57
2021-08-21 19:33:58 S 22 48 32.897 +00 58 54.48 V C57
2021-08-21 19:33:58 s 1 +158652.80 1 +47238.852 1570.0 C57
2021-08-21 19:43:58 S 22 48 32.830 +00 59 12.08 V C57
2021-08-21 19:43:58 s 1 +158942.15 6 +48221.882 6990.0 C57
2021-08-21 20:03:58 S 22 48 32.251 +00 59 39.62 V C57
2021-08-21 20:03:58 s 1 +159507.89 5 +50183.939 5820.0 C57
2021-08-21 20:13:58 S 22 48 31.771 +00 59 55.28 V C57
2021-08-21 20:13:58 s 1 +159784.34 5 +51162.940 9450.0 C57
2021-08-21 20:23:58 S 22 48 31.745 +01 00 12.82 V C57
2021-08-21 20:23:58 s 1 +160056.55 9 +52140.570 9370.0 C57
2021-08-21 20:33:58 S 22 48 31.502 +01 00 26.75 V C57
2021-08-21 20:33:58 s 1 +160324.57 2 +53116.818 5690.0 C57
2021-08-21 20:53:58 S 22 48 30.941 +01 00 55.15 V C57
2021-08-21 20:53:58 s 1 +160848.12 3 +55065.115 7950.0 C57
2021-08-21 21:03:58 S 22 48 30.881 +01 01 10.81 V C57
2021-08-21 21:03:58 s 1 +161103.72 5 +56037.142 4100.0 C57
2021-08-21 21:13:58 S 22 48 30.425 +01 01 26.36 V C57
2021-08-21 21:13:58 s 1 +161355.25 4 +57007.737 7070.0 C57
2021-08-21 21:23:58 S 22 48 30.175 +01 01 42.13 V C57
2021-08-21 21:23:58 s 1 +161602.74 1 +57976.892 6960.0 C57
2021-08-21 21:33:58 S 22 48 29.887 +01 01 56.28 V C57
2021-08-21 21:33:58 s 1 +161846.21 9 +58944.594 3890.0 C57
2021-08-21 21:43:58 S 22 48 29.758 +01 02 12.70 V C57
2021-08-21 21:43:58 s 1 +162085.71 7 +59910.833 7930.0 C57
2021-08-21 21:53:58 S 22 48 29.323 +01 02 27.02 V C57
2021-08-21 21:53:58 s 1 +162321.26 7 +60875.599 9210.0 C57
2021-08-21 22:03:58 S 22 48 29.318 +01 02 40.16 V C57
2021-08-21 22:03:58 s 1 +162552.89 9 +61838.882 7810.0 C57
2021-08-21 22:13:58 S 22 48 29.153 +01 02 53.66 V C57
2021-08-21 22:13:58 s 1 +162780.64 3 +62800.673 3840.0 C57
2021-08-21 22:23:58 S 22 48 28.757 +01 03 13.75 V C57
2021-08-21 22:23:58 s 1 +163004.52 8 +63760.961 7390.0 C57
2021-08-21 22:33:58 S 22 48 28.625 +01 03 29.70 V C57
2021-08-21 22:33:58 s 1 +163224.58 5 +64719.739 8560.0 C57
2021-08-21 22:43:58 S 22 48 28.258 +01 03 42.26 V C57
2021-08-21 22:43:58 s 1 +163440.84 3 +65676.997 7450.0 C57
2021-08-21 22:53:58 S 22 48 28.008 +01 03 57.85 V C57
2021-08-21 22:53:58 s 1 +163653.33 0 +66632.726 4150.0 C57