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 14:23:58 S 22 48 07.354 +01 27 05.58 V C57
2021-08-22 14:23:58 s 1 +170190.17 9 +148231.90 650.0 C57
2021-08-22 14:33:58 S 22 48 07.224 +01 27 20.99 V C57
2021-08-22 14:33:58 s 1 +170146.51 2 +149028.66 2040.0 C57
2021-08-22 14:43:58 S 22 48 06.874 +01 27 36.94 V C57
2021-08-22 14:43:58 s 1 +170100.90 2 +149823.71 7200.0 C57
2021-08-22 14:53:58 S 22 48 06.766 +01 27 48.42 V C57
2021-08-22 14:53:58 s 1 +170053.36 4 +150617.04 6170.0 C57
2021-08-22 15:03:58 S 22 48 06.667 +01 28 03.00 V C57
2021-08-22 15:03:58 s 1 +170003.90 8 +151408.68 9000.0 C57
2021-08-22 15:13:58 S 22 48 06.475 +01 28 21.04 V C57
2021-08-22 15:13:58 s 1 +169952.54 7 +152198.60 5710.0 C57
2021-08-22 15:23:58 S 22 48 06.312 +01 28 39.04 V C57
2021-08-22 15:23:58 s 1 +169899.29 3 +152986.83 6350.0 C57
2021-08-22 15:33:58 S 22 48 06.545 +01 28 55.27 V C57
2021-08-22 15:33:58 s 1 +169844.15 8 +153773.35 950.0 C57
2021-08-22 16:23:58 S 22 48 04.891 +01 30 08.75 V C57
2021-08-22 16:23:58 s 1 +169540.67 0 +157680.46 4820.0 C57
2021-08-22 16:33:58 S 22 48 04.915 +01 30 22.00 V C57
2021-08-22 16:33:58 s 1 +169474.49 1 +158456.80 4020.0 C57
2021-08-22 16:43:58 S 22 48 04.848 +01 30 36.90 V C57
2021-08-22 16:43:58 s 1 +169406.51 0 +159231.44 7440.0 C57
2021-08-22 16:53:58 S 22 48 04.522 +01 30 48.82 V C57
2021-08-22 16:53:58 s 1 +169336.73 9 +160004.40 5140.0 C57
2021-08-22 17:03:58 S 22 48 04.258 +01 31 01.70 V C57
2021-08-22 17:03:58 s 1 +169265.18 9 +160775.66 7130.0 C57
2021-08-22 17:13:58 S 22 48 04.174 +01 31 19.24 V C57
2021-08-22 17:13:58 s 1 +169191.87 2 +161545.24 3450.0 C57
2021-08-22 17:23:58 S 22 48 03.998 +01 31 32.38 V C57
2021-08-22 17:23:58 s 1 +169116.79 7 +162313.13 4150.0 C57
2021-08-22 17:33:58 S 22 48 03.893 +01 31 49.37 V C57
2021-08-22 17:33:58 s 1 +169039.97 5 +163079.34 9250.0 C57
2021-08-22 17:43:58 S 22 48 03.478 +01 32 03.95 V C57
2021-08-22 17:43:58 s 1 +168961.41 8 +163843.86 8790.0 C57
2021-08-22 17:53:58 S 22 48 03.271 +01 32 20.04 V C57
2021-08-22 17:53:58 s 1 +168881.13 6 +164606.71 2810.0 C57
2021-08-22 18:03:58 S 22 48 03.149 +01 32 34.94 V C57
2021-08-22 18:03:58 s 1 +168799.13 8 +165367.87 1330.0 C57
2021-08-22 18:13:58 S 22 48 03.010 +01 32 48.66 V C57
2021-08-22 18:13:58 s 1 +168715.43 7 +166127.36 4390.0 C57
2021-08-22 18:23:58 S 22 48 02.822 +01 33 04.21 V C57
2021-08-22 18:23:58 s 1 +168630.04 1 +166885.18 2030.0 C57
2021-08-22 18:33:58 S 22 48 02.532 +01 33 16.16 V C57
2021-08-22 18:33:58 s 1 +168542.96 2 +167641.31 4280.0 C57
2021-08-22 18:43:58 S 22 48 02.275 +01 33 32.98 V C57
2021-08-22 18:43:58 s 1 +168454.20 8 +168395.78 1180.0 C57
2021-08-22 18:53:58 S 22 48 02.254 +01 33 46.51 V C57
2021-08-22 18:53:58 s 1 +168363.79 2 +169148.58 2740.0 C57
2021-08-22 19:03:58 S 22 48 02.100 +01 34 02.24 V C57
2021-08-22 19:03:58 s 1 +168271.72 2 +169899.71 9010.0 C57