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
2021-08-21 23:03:58 S 22 48 27.751 +01 04 13.44 V C57
2021-08-21 23:03:58 s 1 +163862.07 6 +67586.918 8750.0 C57
2021-08-21 23:23:58 S 22 48 27.240 +01 04 44.51 V C57
2021-08-21 23:23:58 s 1 +164268.45 6 +69490.661 2030.0 C57
2021-08-21 23:33:58 S 22 48 27.002 +01 05 01.14 V C57
2021-08-21 23:33:58 s 1 +164466.14 7 +70440.196 900.0 C57
2021-08-21 23:43:58 S 22 48 26.662 +01 05 14.21 V C57
2021-08-21 23:43:58 s 1 +164660.20 8 +71388.163 8040.0 C57
2021-08-21 23:53:58 S 22 48 26.542 +01 05 28.18 V C57
2021-08-21 23:53:58 s 1 +164850.66 7 +72334.556 3540.0 C57
2021-08-22 00:03:58 S 22 48 26.110 +01 05 44.99 V C57
2021-08-22 00:03:58 s 1 +165037.55 2 +73279.367 7490.0 C57
2021-08-22 00:23:58 S 22 48 25.771 +01 06 12.82 V C57
2021-08-22 00:23:58 s 1 +165400.70 5 +75164.217 1090.0 C57
2021-08-22 00:43:58 S 22 48 25.382 +01 06 42.62 V C57
2021-08-22 00:43:58 s 1 +165749.87 9 +77042.664 9530.0 C57
2021-08-22 00:53:58 S 22 48 25.123 +01 06 57.31 V C57
2021-08-22 00:53:58 s 1 +165919.28 9 +77979.470 7030.0 C57
2021-08-22 01:03:58 S 22 48 24.869 +01 07 12.07 V C57
2021-08-22 01:03:58 s 1 +166085.28 2 +78914.658 3500.0 C57
2021-08-22 01:13:58 S 22 48 24.646 +01 07 29.14 V C57
2021-08-22 01:13:58 s 1 +166247.88 4 +79848.222 9010.0 C57
2021-08-22 01:23:58 S 22 48 24.389 +01 07 43.72 V C57
2021-08-22 01:23:58 s 1 +166407.12 0 +80780.156 3650.0 C57
2021-08-22 01:33:58 S 22 48 24.156 +01 08 00.02 V C57
2021-08-22 01:33:58 s 1 +166563.01 4 +81710.456 7510.0 C57
2021-08-22 01:43:58 S 22 48 23.974 +01 08 11.54 V C57
2021-08-22 01:43:58 s 1 +166715.59 2 +82639.116 660.0 C57
2021-08-22 01:53:58 S 22 48 23.678 +01 08 27.31 V C57
2021-08-22 01:53:58 s 1 +166864.87 7 +83566.131 3180.0 C57
2021-08-22 02:03:58 S 22 48 23.390 +01 08 42.86 V C57
2021-08-22 02:03:58 s 1 +167010.89 5 +84491.498 5150.0 C57
2021-08-22 02:13:58 S 22 48 23.230 +01 08 57.73 V C57
2021-08-22 02:13:58 s 1 +167153.67 0 +85415.210 6650.0 C57
2021-08-22 02:23:58 S 22 48 22.949 +01 09 12.42 V C57
2021-08-22 02:23:58 s 1 +167293.22 4 +86337.266 7760.0 C57
2021-08-22 02:33:58 S 22 48 22.526 +01 09 28.48 V C57
2021-08-22 02:33:58 s 1 +167429.58 2 +87257.659 8560.0 C57
2021-08-22 02:43:58 S 22 48 22.687 +01 09 44.32 V C57
2021-08-22 02:43:58 s 1 +167562.76 8 +88176.386 9120.0 C57
2021-08-22 02:53:58 S 22 48 22.354 +01 09 58.25 V C57
2021-08-22 02:53:58 s 1 +167692.80 4 +89093.443 9510.0 C57
2021-08-22 03:03:58 S 22 48 21.950 +01 10 11.75 V C57
2021-08-22 03:03:58 s 1 +167819.71 3 +90008.828 9820.0 C57
2021-08-22 03:13:58 S 22 48 21.972 +01 10 25.25 V C57
2021-08-22 03:13:58 s 1 +167943.51 8 +90922.535 110.0 C57
2021-08-22 03:23:58 S 22 48 21.595 +01 10 42.71 V C57
2021-08-22 03:23:58 s 1 +168064.24 2 +91834.561 470.0 C57
2021-08-22 03:33:58 S 22 48 21.300 +01 11 00.24 V C57
2021-08-22 03:33:58 s 1 +168181.90 7 +92744.904 950.0 C57