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
2021-08-24 12:13:58 s 1 +112019.84 2 +309207.95 9980.0 C57
2021-08-24 12:23:58 S 22 47 27.991 +02 35 37.50 V C57
2021-08-24 12:23:58 s 1 +111703.61 0 +309603.07 7010.0 C57
2021-08-24 12:33:58 S 22 47 28.130 +02 35 54.31 V C57
2021-08-24 12:33:58 s 1 +111386.92 7 +309996.96 2650.0 C57
2021-08-24 12:43:58 S 22 47 28.001 +02 36 05.65 V C57
2021-08-24 12:43:58 s 1 +111069.79 7 +310389.61 6910.0 C57
2021-08-24 12:53:58 S 22 47 27.754 +02 36 21.74 V C57
2021-08-24 12:53:58 s 1 +110752.22 1 +310781.03 9790.0 C57
2021-08-24 13:03:58 S 22 47 27.775 +02 36 38.09 V C57
2021-08-24 13:03:58 s 1 +110434.20 2 +311171.21 1320.0 C57
2021-08-24 13:13:58 S 22 47 27.674 +02 36 51.41 V C57
2021-08-24 13:13:58 s 1 +110115.74 1 +311560.17 1480.0 C57
2021-08-24 13:23:58 S 22 47 27.523 +02 37 07.46 V C57
2021-08-24 13:23:58 s 1 +109796.84 2 +311947.89 300.0 C57
2021-08-24 13:33:58 S 22 47 27.305 +02 37 22.98 V C57
2021-08-24 13:33:58 s 1 +109477.50 6 +312334.38 7770.0 C57
2021-08-24 13:43:58 S 22 47 27.293 +02 37 37.31 V C57
2021-08-24 13:43:58 s 1 +109157.73 5 +312719.65 3900.0 C57
2021-08-24 13:53:58 S 22 47 27.190 +02 37 51.31 V C57
2021-08-24 13:53:58 s 1 +108837.53 2 +313103.69 8710.0 C57
2021-08-24 14:03:58 S 22 47 27.226 +02 38 07.19 V C57
2021-08-24 14:03:58 s 1 +108516.89 9 +313486.50 2190.0 C57
2021-08-24 14:13:58 S 22 47 27.118 +02 38 20.90 V C57
2021-08-24 14:13:58 s 1 +108195.83 7 +313868.09 4350.0 C57
2021-08-24 14:23:58 S 22 47 26.964 +02 38 35.74 V C57
2021-08-24 14:23:58 s 1 +107874.35 0 +314248.46 5210.0 C57
2021-08-24 14:33:58 S 22 47 26.772 +02 38 49.74 V C57
2021-08-24 14:33:58 s 1 +107552.43 9 +314627.60 4770.0 C57
2021-08-24 14:43:58 S 22 47 26.796 +02 39 04.82 V C57
2021-08-24 14:43:58 s 1 +107230.10 6 +315005.52 3030.0 C57
2021-08-24 14:53:58 S 22 47 26.734 +02 39 21.42 V C57
2021-08-24 14:53:58 s 1 +106907.35 4 +315382.22 0.0 C57
2021-08-24 15:03:58 S 22 47 26.618 +02 39 35.82 V C57
2021-08-24 15:03:58 s 1 +106584.18 5 +315757.71 5700.0 C57
2021-08-24 15:13:58 S 22 47 26.525 +02 39 52.81 V C57
2021-08-24 15:13:58 s 1 +106260.60 0 +316131.97 110.0 C57
2021-08-24 15:23:58 S 22 47 26.482 +02 40 07.97 V C57
2021-08-24 15:23:58 s 1 +105936.60 2 +316505.03 3270.0 C57
2021-08-24 15:33:58 S 22 47 26.309 +02 40 22.84 V C57
2021-08-24 15:33:58 s 1 +105612.19 3 +316876.86 5160.0 C57
2021-08-24 15:43:58 S 22 47 26.335 +02 40 37.56 V C57
2021-08-24 15:43:58 s 1 +105287.37 5 +317247.48 5800.0 C57
2021-08-24 15:53:58 S 22 47 26.054 +02 40 52.07 V C57
2021-08-24 15:53:58 s 1 +104962.15 0 +317616.89 5190.0 C57
2021-08-24 16:03:58 S 22 47 26.076 +02 41 03.59 V C57
2021-08-24 16:03:58 s 1 +104636.52 0 +317985.08 3340.0 C57
2021-08-24 16:13:58 S 22 47 25.949 +02 41 20.90 V C57
2021-08-24 16:13:58 s 1 +104310.48 8 +318352.07 260.0 C57
2021-08-24 16:23:58 S 22 47 25.776 +02 41 34.94 V C57