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 19:13:58 S 22 48 01.997 +01 34 15.92 V C57
2021-08-22 19:13:58 s 1 +168178.00 8 +170649.17 30.0 C57
2021-08-22 19:23:58 S 22 48 01.630 +01 34 31.44 V C57
2021-08-22 19:23:58 s 1 +168082.66 0 +171396.96 5810.0 C57
2021-08-22 19:33:58 S 22 48 01.416 +01 34 47.53 V C57
2021-08-22 19:33:58 s 1 +167985.68 9 +172143.10 6390.0 C57
2021-08-22 19:43:58 S 22 48 01.246 +01 35 02.22 V C57
2021-08-22 19:43:58 s 1 +167887.10 3 +172887.57 1810.0 C57
2021-08-22 19:53:58 S 22 48 01.178 +01 35 15.68 V C57
2021-08-22 19:53:58 s 1 +167786.91 2 +173630.38 2100.0 C57
2021-08-22 20:03:58 S 22 48 01.034 +01 35 31.70 V C57
2021-08-22 20:03:58 s 1 +167685.12 6 +174371.54 7280.0 C57
2021-08-22 20:13:58 S 22 48 00.816 +01 35 44.88 V C57
2021-08-22 20:13:58 s 1 +167581.75 5 +175111.04 7390.0 C57
2021-08-22 20:23:58 S 22 48 00.545 +01 36 03.10 V C57
2021-08-22 20:23:58 s 1 +167476.80 7 +175848.88 2460.0 C57
2021-08-22 20:33:58 S 22 48 00.370 +01 36 16.24 V C57
2021-08-22 20:33:58 s 1 +167370.29 2 +176585.07 2520.0 C57
2021-08-22 20:43:58 S 22 48 00.242 +01 36 31.18 V C57
2021-08-22 20:43:58 s 1 +167262.22 0 +177319.62 7590.0 C57
2021-08-22 20:53:58 S 22 48 00.084 +01 36 46.12 V C57
2021-08-22 20:53:58 s 1 +167152.59 9 +178052.51 7710.0 C57
2021-08-22 21:03:58 S 22 47 59.813 +01 37 03.47 V C57
2021-08-22 21:03:58 s 1 +167041.43 8 +178783.76 2910.0 C57
2021-08-22 21:13:58 S 22 47 59.770 +01 37 14.34 V C57
2021-08-22 21:13:58 s 1 +166928.74 7 +179513.36 3220.0 C57
2021-08-22 21:23:58 S 22 47 59.443 +01 37 29.86 V C57
2021-08-22 21:23:58 s 1 +166814.53 5 +180241.32 8660.0 C57
2021-08-22 21:33:58 S 22 47 59.328 +01 37 45.19 V C57
2021-08-22 21:33:58 s 1 +166698.81 0 +180967.64 9270.0 C57
2021-08-22 21:43:58 S 22 47 59.170 +01 38 00.17 V C57
2021-08-22 21:43:58 s 1 +166581.58 2 +181692.32 5070.0 C57
2021-08-22 21:53:58 S 22 47 58.910 +01 38 14.96 V C57
2021-08-22 21:53:58 s 1 +166462.85 8 +182415.37 6100.0 C57
2021-08-22 22:03:58 S 22 47 58.918 +01 38 30.80 V C57
2021-08-22 22:03:58 s 1 +166342.64 9 +183136.78 2370.0 C57
2021-08-22 22:13:58 S 22 47 58.718 +01 38 46.28 V C57
2021-08-22 22:13:58 s 1 +166220.96 2 +183856.55 3920.0 C57
2021-08-22 22:23:58 S 22 47 58.476 +01 38 58.60 V C57
2021-08-22 22:23:58 s 1 +166097.80 6 +184574.70 780.0 C57
2021-08-22 22:33:58 S 22 47 58.373 +01 39 17.28 V C57
2021-08-22 22:33:58 s 1 +165973.18 9 +185291.22 2980.0 C57
2021-08-22 22:43:58 S 22 47 58.051 +01 39 31.75 V C57
2021-08-22 22:43:58 s 1 +165847.12 1 +186006.11 530.0 C57
2021-08-22 22:53:58 S 22 47 58.044 +01 39 40.82 V C57
2021-08-22 22:53:58 s 1 +165719.60 9 +186719.37 3480.0 C57
2021-08-22 23:13:58 S 22 47 57.677 +01 40 14.70 V C57
2021-08-22 23:13:58 s 1 +165460.28 7 +188141.03 5640.0 C57
2021-08-22 23:23:58 S 22 47 57.322 +01 40 30.29 V C57
2021-08-22 23:23:58 s 1 +165328.49 3 +188849.43 4910.0 C57