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 05:03:55 S 05 49 20.354 +27 13 28.09 – V C57
2021-11-26 05:03:55 s 1 +18922.778 0 +380767.15 3370.0 – C57
2021-11-26 05:13:55 S 05 49 19.915 +27 13 18.26 – V C57
2021-11-26 05:13:55 s 1 +18568.445 0 +380800.53 4320.0 – C57
2021-11-26 05:23:55 S 05 49 20.230 +27 13 09.98 – V C57
2021-11-26 05:23:55 s 1 +18214.068 0 +380832.92 5280.0 – C57
2021-11-26 05:33:55 S 05 49 20.129 +27 12 56.99 – V C57
2021-11-26 05:33:55 s 1 +17859.647 0 +380864.33 6260.0 – C57
2021-11-26 05:53:55 S 05 49 19.790 +27 12 42.88 – V C57
2021-11-26 05:53:55 s 1 +17150.682 0 +380924.16 8210.0 – C57
2021-11-26 06:03:55 S 05 49 19.800 +27 12 30.42 – V C57
2021-11-26 06:03:55 s 1 +16796.138 0 +380952.59 9180.0 – C57
2021-11-26 06:13:55 S 05 49 19.608 +27 12 22.36 – V C57
2021-11-26 06:13:55 s 1 +16441.555 0 +380980.02 150.0 – C57
2021-11-26 06:23:55 S 05 49 19.586 +27 12 11.88 – V C57
2021-11-26 06:23:55 s 1 +16086.934 0 +381006.47 1110.0 – C57
2021-11-26 06:33:55 S 05 49 19.387 +27 12 01.73 – V C57
2021-11-26 06:33:55 s 1 +15732.275 0 +381031.92 2050.0 – C57
2021-11-26 07:43:55 S 05 49 18.874 +27 10 57.72 – V C57
2021-11-26 07:43:55 s 1 +13248.696 0 +381182.35 7940.0 – C57
2021-11-26 08:23:55 S 05 49 18.434 +27 10 20.10 – V C57
2021-11-26 08:23:55 s 1 +11828.830 0 +381246.51 440.0 – C57
2021-11-26 08:43:54 S 05 49 18.094 +27 09 56.84 – V C57
2021-11-26 08:43:54 s 1 +11118.736 0 +381272.64 1360.0 – C57
2021-11-26 09:03:55 S 05 49 18.017 +27 09 40.00 – V C57
2021-11-26 09:03:55 s 1 +10408.546 0 +381294.80 2010.0 – C57
2021-11-26 09:13:55 S 05 49 17.700 +27 09 33.95 – V C57
2021-11-26 09:13:55 s 1 +10053.417 0 +381304.40 2230.0 – C57
2021-11-26 09:23:55 S 05 49 18.029 +27 09 18.43 – V C57
2021-11-26 09:33:55 S 05 49 17.911 +27 09 12.20 – V C57
2021-11-26 09:43:55 S 05 49 17.669 +27 09 03.31 – V C57
2021-11-26 09:53:55 S 05 49 17.482 +27 08 51.61 – V C57
2021-11-26 10:03:55 S 05 49 17.347 +27 08 41.14 – V C57
2021-11-26 10:13:54 S 05 49 17.338 +27 08 35.38 – V C57
2021-11-26 10:43:55 S 05 49 16.975 +27 08 07.26 – V C57
2021-11-26 10:53:55 S 05 49 16.903 +27 08 00.71 – V C57
2021-11-26 11:03:55 S 05 49 16.817 +27 07 47.68 – V C57
2021-11-26 11:13:55 S 05 49 16.690 +27 07 34.68 – V C57
2021-11-26 11:23:55 S 05 49 16.733 +27 07 25.61 – V C57
2021-11-26 11:33:55 S 05 49 16.531 +27 07 15.17 – V C57
2021-11-26 11:43:54 S 05 49 16.426 +27 07 07.46 – V C57
2021-11-26 12:03:55 S 05 49 16.267 +27 06 47.09 – V C57
2021-11-26 12:13:55 S 05 49 16.250 +27 06 40.14 – V C57
2021-11-26 12:23:55 S 05 49 15.893 +27 06 27.79 – V C57
2021-11-26 12:33:55 S 05 49 15.931 +27 06 20.92 – V C57
2021-11-26 12:43:55 S 05 49 15.893 +27 06 15.30 – V C57
2021-11-26 12:53:55 S 05 49 15.648 +27 06 00.22 – V C57
2021-11-26 13:03:55 S 05 49 15.487 +27 05 50.35 – V C57
2021-11-26 13:13:54 S 05 49 15.194 +27 05 41.46 – V C57
2021-11-26 13:23:55 S 05 49 15.283 +27 05 31.70 – V C57