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 07:33:58 s 1 +120682.16 8 +297637.32 9390.0 C57
2021-08-24 07:53:58 S 22 47 30.878 +02 28 52.36 V C57
2021-08-24 07:53:58 s 1 +120076.29 9 +298496.58 5710.0 C57
2021-08-24 08:03:58 S 22 47 30.761 +02 29 07.30 V C57
2021-08-24 08:03:58 s 1 +119772.59 2 +298924.30 1480.0 C57
2021-08-24 08:13:58 S 22 47 30.622 +02 29 24.43 V C57
2021-08-24 08:13:58 s 1 +119468.37 2 +299350.74 5650.0 C57
2021-08-24 08:23:58 S 22 47 30.490 +02 29 37.72 V C57
2021-08-24 08:23:58 s 1 +119163.64 2 +299775.92 8240.0 C57
2021-08-24 08:33:58 S 22 47 30.463 +02 29 52.19 V C57
2021-08-24 08:33:58 s 1 +118858.40 5 +300199.84 9260.0 C57
2021-08-24 08:43:58 S 22 47 30.314 +02 30 07.67 V C57
2021-08-24 08:43:58 s 1 +118552.66 4 +300622.48 8720.0 C57
2021-08-24 08:53:58 S 22 47 30.302 +02 30 22.46 V C57
2021-08-24 08:53:58 s 1 +118246.42 1 +301043.86 6620.0 C57
2021-08-24 09:03:58 S 22 47 30.058 +02 30 38.70 V C57
2021-08-24 09:03:58 s 1 +117939.67 8 +301463.98 2970.0 C57
2021-08-24 09:13:58 S 22 47 30.089 +02 30 53.14 V C57
2021-08-24 09:13:58 s 1 +117632.43 7 +301882.84 7780.0 C57
2021-08-24 09:23:58 S 22 47 29.808 +02 31 05.27 V C57
2021-08-24 09:23:58 s 1 +117324.70 2 +302300.44 1060.0 C57
2021-08-24 09:33:58 S 22 47 29.866 +02 31 22.80 V C57
2021-08-24 09:33:58 s 1 +117016.47 5 +302716.77 2810.0 C57
2021-08-24 09:43:58 S 22 47 29.717 +02 31 36.73 V C57
2021-08-24 09:43:58 s 1 +116707.75 8 +303131.85 3050.0 C57
2021-08-24 09:53:58 S 22 47 29.662 +02 31 51.85 V C57
2021-08-24 09:53:58 s 1 +116398.55 3 +303545.68 1790.0 C57
2021-08-24 10:03:58 S 22 47 29.532 +02 32 06.11 V C57
2021-08-24 10:03:58 s 1 +116088.86 4 +303958.24 9020.0 C57
2021-08-24 10:13:58 S 22 47 29.369 +02 32 20.87 V C57
2021-08-24 10:13:58 s 1 +115778.69 2 +304369.55 4750.0 C57
2021-08-24 10:23:58 S 22 47 29.342 +02 32 35.05 V C57
2021-08-24 10:23:58 s 1 +115468.03 9 +304779.61 9010.0 C57
2021-08-24 10:33:58 S 22 47 29.100 +02 32 51.83 V C57
2021-08-24 10:33:58 s 1 +115156.90 9 +305188.42 1780.0 C57
2021-08-24 10:43:58 S 22 47 29.054 +02 33 06.52 V C57
2021-08-24 10:43:58 s 1 +114845.30 4 +305595.98 3090.0 C57
2021-08-24 10:53:58 S 22 47 28.889 +02 33 23.15 V C57
2021-08-24 10:53:58 s 1 +114533.22 5 +306002.29 2940.0 C57
2021-08-24 11:03:58 S 22 47 28.946 +02 33 35.60 V C57
2021-08-24 11:03:58 s 1 +114220.67 5 +306407.35 1330.0 C57
2021-08-24 11:13:58 S 22 47 28.901 +02 33 50.72 V C57
2021-08-24 11:13:58 s 1 +113907.65 7 +306811.16 8270.0 C57
2021-08-24 11:23:58 S 22 47 28.644 +02 34 05.74 V C57
2021-08-24 11:23:58 s 1 +113594.17 3 +307213.73 3780.0 C57
2021-08-24 11:53:58 S 22 47 28.366 +02 34 52.64 V C57
2021-08-24 11:53:58 s 1 +112650.94 7 +308413.98 1730.0 C57
2021-08-24 12:03:58 S 22 47 28.315 +02 35 06.36 V C57
2021-08-24 12:03:58 s 1 +112335.62 2 +308811.58 1560.0 C57
2021-08-24 12:13:58 S 22 47 28.102 +02 35 20.51 V C57