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 03:03:58 s 1 +128649.25 0 +285534.14 9340.0 C57
2021-08-24 03:13:58 S 22 47 33.718 +02 21 54.18 V C57
2021-08-24 03:13:58 s 1 +128361.54 8 +285999.29 4910.0 C57
2021-08-24 03:23:58 S 22 47 33.612 +02 22 07.18 V C57
2021-08-24 03:23:58 s 1 +128073.25 6 +286463.13 8640.0 C57
2021-08-24 03:33:58 S 22 47 33.682 +02 22 20.82 V C57
2021-08-24 03:33:58 s 1 +127784.37 6 +286925.66 540.0 C57
2021-08-24 03:43:58 S 22 47 33.468 +02 22 38.75 V C57
2021-08-24 03:43:58 s 1 +127494.91 0 +287386.88 610.0 C57
2021-08-24 03:53:58 S 22 47 33.528 +02 22 52.93 V C57
2021-08-24 03:53:58 s 1 +127204.86 3 +287846.79 8870.0 C57
2021-08-24 04:13:58 S 22 47 33.053 +02 23 22.85 V C57
2021-08-24 04:13:58 s 1 +126623.03 3 +288762.71 9970.0 C57
2021-08-24 04:33:58 S 22 47 32.911 +02 23 52.80 V C57
2021-08-24 04:33:58 s 1 +126038.90 8 +289673.42 3920.0 C57
2021-08-24 04:43:58 S 22 47 32.686 +02 24 10.37 V C57
2021-08-24 04:43:58 s 1 +125745.99 2 +290126.83 3240.0 C57
2021-08-24 04:53:58 S 22 47 32.858 +02 24 22.10 V C57
2021-08-24 04:53:58 s 1 +125452.51 1 +290578.93 790.0 C57
2021-08-24 05:03:58 S 22 47 32.549 +02 24 37.69 V C57
2021-08-24 05:03:58 s 1 +125158.46 8 +291029.75 6590.0 C57
2021-08-24 05:13:58 S 22 47 32.474 +02 24 53.68 V C57
2021-08-24 05:13:58 s 1 +124863.86 5 +291479.26 650.0 C57
2021-08-24 05:23:58 S 22 47 32.179 +02 25 08.90 V C57
2021-08-24 05:23:58 s 1 +124568.70 4 +291927.49 2980.0 C57
2021-08-24 05:33:58 S 22 47 32.246 +02 25 22.04 V C57
2021-08-24 05:33:58 s 1 +124272.99 0 +292374.42 3580.0 C57
2021-08-24 05:43:58 S 22 47 32.237 +02 25 39.00 V C57
2021-08-24 05:43:58 s 1 +123976.72 4 +292820.06 2460.0 C57
2021-08-24 05:53:58 S 22 47 32.026 +02 25 51.85 V C57
2021-08-24 05:53:58 s 1 +123679.91 0 +293264.41 9640.0 C57
2021-08-24 06:03:58 S 22 47 31.913 +02 26 07.55 V C57
2021-08-24 06:03:58 s 1 +123382.54 9 +293707.47 5110.0 C57
2021-08-24 06:13:58 S 22 47 32.083 +02 26 23.28 V C57
2021-08-24 06:13:58 s 1 +123084.64 5 +294149.25 8900.0 C57
2021-08-24 06:23:58 S 22 47 31.690 +02 26 38.98 V C57
2021-08-24 06:23:58 s 1 +122786.20 0 +294589.74 1010.0 C57
2021-08-24 06:33:58 S 22 47 31.572 +02 26 54.31 V C57
2021-08-24 06:33:58 s 1 +122487.21 7 +295028.95 1440.0 C57
2021-08-24 06:43:58 S 22 47 31.416 +02 27 07.06 V C57
2021-08-24 06:43:58 s 1 +122187.69 9 +295466.88 210.0 C57
2021-08-24 06:53:58 S 22 47 31.454 +02 27 22.21 V C57
2021-08-24 06:53:58 s 1 +121887.64 8 +295903.52 7320.0 C57
2021-08-24 07:03:58 S 22 47 31.272 +02 27 38.02 V C57
2021-08-24 07:03:58 s 1 +121587.06 7 +296338.89 2790.0 C57
2021-08-24 07:13:58 S 22 47 31.183 +02 27 52.38 V C57
2021-08-24 07:13:58 s 1 +121285.95 8 +296772.98 6620.0 C57
2021-08-24 07:23:58 S 22 47 31.037 +02 28 06.02 V C57
2021-08-24 07:23:58 s 1 +120984.32 4 +297205.79 8820.0 C57
2021-08-24 07:33:58 S 22 47 30.972 +02 28 22.30 V C57