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 03:43:58 S 22 48 20.954 +01 11 10.97 V C57
2021-08-22 03:43:58 s 1 +168296.53 4 +93653.560 1640.0 C57
2021-08-22 03:53:58 S 22 48 20.760 +01 11 25.33 V C57
2021-08-22 03:53:58 s 1 +168408.14 7 +94560.526 2610.0 C57
2021-08-22 04:03:58 S 22 48 20.549 +01 11 43.37 V C57
2021-08-22 04:03:58 s 1 +168516.76 7 +95465.800 3930.0 C57
2021-08-22 04:13:58 S 22 48 20.455 +01 11 53.92 V C57
2021-08-22 04:13:58 s 1 +168622.41 4 +96369.378 5660.0 C57
2021-08-22 04:23:58 S 22 48 20.136 +01 12 15.34 V C57
2021-08-22 04:23:58 s 1 +168725.11 2 +97271.258 7880.0 C57
2021-08-22 04:33:58 S 22 48 19.870 +01 12 27.18 V C57
2021-08-22 04:33:58 s 1 +168824.88 0 +98171.437 650.0 C57
2021-08-22 04:43:58 S 22 48 19.762 +01 12 39.67 V C57
2021-08-22 04:43:58 s 1 +168921.73 9 +99069.913 4050.0 C57
2021-08-22 04:53:58 S 22 48 19.630 +01 12 56.84 V C57
2021-08-22 04:53:58 s 1 +169015.71 1 +99966.684 8140.0 C57
2021-08-22 05:03:58 S 22 48 19.162 +01 13 11.93 V C57
2021-08-22 05:03:58 s 1 +169106.81 6 +100861.74 2990.0 C57
2021-08-22 05:13:58 S 22 48 19.092 +01 13 27.55 V C57
2021-08-22 05:13:58 s 1 +169195.07 4 +101755.10 8660.0 C57
2021-08-22 05:23:58 S 22 48 18.806 +01 13 42.78 V C57
2021-08-22 05:23:58 s 1 +169280.50 5 +102646.74 5230.0 C57
2021-08-22 05:33:58 S 22 48 18.802 +01 13 55.27 V C57
2021-08-22 05:33:58 s 1 +169363.13 0 +103536.67 2750.0 C57
2021-08-22 05:43:58 S 22 48 18.324 +01 14 12.70 V C57
2021-08-22 05:43:58 s 1 +169442.96 8 +104424.88 1290.0 C57
2021-08-22 05:53:58 S 22 48 18.108 +01 14 28.90 V C57
2021-08-22 05:53:58 s 1 +169520.03 9 +105311.38 910.0 C57
2021-08-22 06:03:58 S 22 48 18.017 +01 14 42.54 V C57
2021-08-22 06:03:58 s 1 +169594.36 2 +106196.16 1680.0 C57
2021-08-22 06:13:58 S 22 48 17.669 +01 14 56.87 V C57
2021-08-22 06:13:58 s 1 +169665.95 7 +107079.22 3670.0 C57
2021-08-22 06:23:58 S 22 48 17.630 +01 15 08.89 V C57
2021-08-22 06:23:58 s 1 +169734.84 2 +107960.55 6920.0 C57
2021-08-22 06:33:58 S 22 48 17.294 +01 15 27.65 V C57
2021-08-22 06:33:58 s 1 +169801.03 7 +108840.17 1510.0 C57
2021-08-22 06:43:58 S 22 48 16.894 +01 15 43.85 V C57
2021-08-22 06:43:58 s 1 +169864.56 0 +109718.06 7500.0 C57
2021-08-22 06:53:58 S 22 48 16.644 +01 15 57.20 V C57
2021-08-22 06:53:58 s 1 +169925.43 1 +110594.23 4940.0 C57
2021-08-22 07:03:19 C 22 48 58.01 +01 12 15.4 U I41
2021-08-22 07:03:58 S 22 48 16.661 +01 16 10.24 V C57
2021-08-22 07:03:58 s 1 +169983.66 6 +111468.67 3890.0 C57
2021-08-22 07:13:58 S 22 48 16.279 +01 16 26.87 V C57
2021-08-22 07:13:58 s 1 +170039.28 5 +112341.38 4430.0 C57
2021-08-22 07:23:58 S 22 48 16.130 +01 16 42.20 V C57
2021-08-22 07:23:58 s 1 +170092.30 6 +113212.37 6590.0 C57
2021-08-22 07:33:58 S 22 48 16.046 +01 16 53.47 V C57
2021-08-22 07:33:58 s 1 +170142.74 6 +114081.62 450.0 C57
2021-08-22 07:43:58 S 22 48 15.905 +01 17 10.72 V C57