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 16:23:58 s 1 +103984.05 4 +318717.85 5950.0 C57
2021-08-24 16:33:58 S 22 47 25.776 +02 41 51.72 V C57
2021-08-24 16:33:58 s 1 +103657.22 2 +319082.41 420.0 C57
2021-08-24 16:43:58 S 22 47 25.793 +02 42 05.11 V C57
2021-08-24 16:43:58 s 1 +103329.99 4 +319445.78 3680.0 C57
2021-08-24 16:53:58 S 22 47 25.682 +02 42 21.67 V C57
2021-08-24 16:53:58 s 1 +103002.37 0 +319807.93 5730.0 C57
2021-08-24 17:03:58 S 22 47 25.558 +02 42 36.65 V C57
2021-08-24 17:03:58 s 1 +102674.35 4 +320168.88 6580.0 C57
2021-08-24 17:33:58 S 22 47 25.378 +02 43 22.66 V C57
2021-08-24 17:33:58 s 1 +101687.97 0 +321244.51 1990.0 C57
2021-08-24 17:43:58 S 22 47 25.212 +02 43 37.88 V C57
2021-08-24 17:43:58 s 1 +101358.40 4 +321600.65 8100.0 C57
2021-08-24 17:53:58 S 22 47 25.142 +02 43 52.21 V C57
2021-08-24 17:53:58 s 1 +101028.45 5 +321955.59 3040.0 C57
2021-08-24 18:03:58 S 22 47 25.034 +02 44 08.52 V C57
2021-08-24 18:03:58 s 1 +100698.12 5 +322309.33 6830.0 C57
2021-08-24 18:13:58 S 22 47 24.763 +02 44 21.08 V C57
2021-08-24 18:13:58 s 1 +100367.41 6 +322661.88 9460.0 C57
2021-08-24 18:23:58 S 22 47 24.739 +02 44 36.38 V C57
2021-08-24 18:23:58 s 1 +100036.33 1 +323013.23 930.0 C57
2021-08-24 18:33:58 S 22 47 24.679 +02 44 51.43 V C57
2021-08-24 18:33:58 s 1 +99704.870 0 +323363.38 1270.0 C57
2021-08-24 18:43:58 S 22 47 24.653 +02 45 08.10 V C57
2021-08-24 18:43:58 s 1 +99373.037 0 +323712.34 470.0 C57
2021-08-24 18:53:58 S 22 47 24.588 +02 45 22.90 V C57
2021-08-24 18:53:58 s 1 +99040.833 0 +324060.11 8540.0 C57
2021-08-24 19:03:58 S 22 47 24.454 +02 45 38.05 V C57
2021-08-24 19:03:58 s 1 +98708.259 0 +324406.68 5480.0 C57
2021-08-24 19:13:58 S 22 47 24.420 +02 45 53.39 V C57
2021-08-24 19:13:58 s 1 +98375.319 0 +324752.07 1310.0 C57
2021-08-24 19:23:58 S 22 47 24.223 +02 46 05.81 V C57
2021-08-24 19:23:58 s 1 +98042.013 0 +325096.26 6030.0 C57
2021-08-24 19:33:58 S 22 47 24.053 +02 46 21.18 V C57
2021-08-24 19:33:58 s 1 +97708.344 0 +325439.27 9640.0 C57
2021-08-24 19:43:58 S 22 47 23.990 +02 46 37.49 V C57
2021-08-24 19:43:58 s 1 +97374.314 0 +325781.08 2150.0 C57
2021-08-24 19:53:58 S 22 47 24.029 +02 46 52.57 V C57
2021-08-24 19:53:58 s 1 +97039.924 0 +326121.72 3570.0 C57
2021-08-24 20:03:58 S 22 47 23.962 +02 47 07.76 V C57
2021-08-24 20:03:58 s 1 +96705.176 0 +326461.16 3900.0 C57
2021-08-24 20:13:58 S 22 47 23.882 +02 47 20.69 V C57
2021-08-24 20:13:58 s 1 +96370.073 0 +326799.42 3160.0 C57
2021-08-24 20:23:58 S 22 47 23.698 +02 47 41.32 V C57
2021-08-24 20:23:58 s 1 +96034.615 0 +327136.50 1330.0 C57
2021-08-24 21:03:58 S 22 47 23.441 +02 48 35.86 V C57
2021-08-24 21:03:58 s 1 +94689.283 0 +328472.99 3410.0 C57
2021-08-24 21:13:58 S 22 47 23.282 +02 48 52.20 V C57
2021-08-24 21:13:58 s 1 +94352.083 0 +328804.17 6300.0 C57
2021-08-24 21:23:58 S 22 47 23.208 +02 49 09.08 V C57