IAA RAS IAA Minor Planet Database

162149 (1998 YQ11)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3965435601 ± 1.34e-08
Semi-major axis (a)1.8743296252 AU ± 8.23e-10
Inclination (i)11.93086553° ± 2.10e-06
Long. of Asc. Node (Ω)256.53991892° ± 5.78e-06
Arg. of Perihelion (ω)245.80635025° ± 8.14e-06
Mean Anomaly (M)166.32474788° ± 2.28e-06
Mean Motion (n)0.3840991285°/day ± 2.53e-10
Perihelion dist (q)1.13107628 AU ± 2.51e-08
Aphelion dist (Q)2.61758297 AU ± 2.51e-08
Orbital Period2.56607269 yr ± 1.69e-09
Physical Parameters
H (abs. magnitude)17.51
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.466″
Uncertainty0
Orbit TypeAmor
MOID0.229168 AU
Observations Used2182
Oppositions16
Arc Total1998-2025
First Observation Used1998-12-23
Last Observation Used2025-06-04
Observations (3437)
Date Type RA Dec Mag Band Observatory
2021-11-26 13:33:55 S 05 49 15.374 +27 05 19.97 – V C57
2021-11-26 13:43:55 S 05 49 14.914 +27 05 13.31 – V C57
2021-11-26 14:03:55 S 05 49 15.070 +27 04 53.44 – V C57
2021-11-26 14:13:55 S 05 49 14.878 +27 04 42.42 – V C57
2021-11-26 14:23:54 S 05 49 14.712 +27 04 33.46 – V C57
2021-11-26 14:33:55 S 05 49 14.453 +27 04 23.66 – V C57
2021-11-26 14:43:54 S 05 49 14.515 +27 04 16.61 – V C57
2021-11-26 14:53:55 S 05 49 14.388 +27 04 05.27 – V C57
2021-11-26 15:03:55 S 05 49 14.184 +27 03 55.55 – V C57
2021-11-26 15:13:55 S 05 49 14.129 +27 03 45.58 – V C57
2021-11-26 15:23:55 S 05 49 14.208 +27 03 34.31 – V C57
2021-11-26 15:33:55 S 05 49 13.958 +27 03 25.63 – V C57
2021-11-26 15:43:55 S 05 49 13.978 +27 03 15.05 – V C57
2021-11-26 15:53:54 S 05 49 14.064 +27 03 06.55 – V C57
2021-11-26 16:03:55 S 05 49 13.711 +27 02 55.82 – V C57
2021-11-26 16:13:54 S 05 49 13.678 +27 02 49.20 – V C57
2021-11-26 16:23:55 S 05 49 13.327 +27 02 36.64 – V C57
2021-11-26 16:33:55 S 05 49 13.414 +27 02 30.26 – V C57
2021-11-26 16:43:55 S 05 49 13.176 +27 02 19.36 – V C57
2021-11-26 16:53:55 S 05 49 13.238 +27 02 10.21 – V C57
2021-11-26 17:03:55 S 05 49 13.118 +27 01 59.77 – V C57
2021-11-26 17:13:55 S 05 49 13.094 +27 01 48.29 – V C57
2021-11-26 17:23:54 S 05 49 12.703 +27 01 39.58 – V C57
2021-11-26 17:33:55 S 05 49 12.593 +27 01 29.89 – V C57
2021-11-26 17:43:54 S 05 49 12.588 +27 01 21.11 – V C57
2021-11-26 17:53:55 S 05 49 12.598 +27 01 13.37 – V C57
2021-11-26 18:03:55 S 05 49 12.394 +27 01 00.91 – V C57
2021-11-26 18:13:55 S 05 49 12.382 +27 00 50.62 – V C57
2021-11-26 18:23:55 S 05 49 12.250 +27 00 41.44 – V C57
2021-11-26 18:33:55 S 05 49 12.096 +27 00 37.19 – V C57
2021-11-26 18:43:55 S 05 49 12.074 +27 00 21.96 – V C57
2021-11-26 18:43:55 s 1 -10193.405 0 +380215.38 110.0 – C57
2021-11-26 19:03:55 S 05 49 11.748 +27 00 01.76 – V C57
2021-11-26 19:03:55 s 1 -10902.997 0 +380118.44 9240.0 – C57
2021-11-26 19:13:54 S 05 49 11.621 +26 59 52.76 – V C57
2021-11-26 19:13:54 s 1 -11257.742 0 +380068.48 8370.0 – C57
2021-11-26 19:23:55 S 05 49 11.590 +26 59 43.12 – V C57
2021-11-26 19:23:55 s 1 -11612.451 0 +380017.52 7190.0 – C57
2021-11-26 19:33:55 S 05 49 11.587 +26 59 30.70 – V C57
2021-11-26 19:33:55 s 1 -11967.125 0 +379965.56 5720.0 – C57
2021-11-26 19:43:55 S 05 49 11.494 +26 59 24.54 – V C57
2021-11-26 19:43:55 s 1 -12321.761 0 +379912.61 3940.0 – C57
2021-11-26 19:53:55 S 05 49 11.225 +26 59 13.99 – V C57
2021-11-26 19:53:55 s 1 -12676.360 0 +379858.66 1860.0 – C57
2021-11-26 20:03:54 S 05 49 11.040 +26 59 03.73 – V C57
2021-11-26 20:03:54 s 1 -13030.919 0 +379803.72 9460.0 – C57
2021-11-26 20:13:55 S 05 49 11.023 +26 58 54.48 – V C57
2021-11-26 20:13:55 s 1 -13385.438 0 +379747.78 6740.0 – C57
2021-11-26 20:33:55 S 05 49 10.630 +26 58 37.85 – V C57
2021-11-26 20:33:55 s 1 -14094.353 0 +379632.91 340.0 – C57