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
2021-11-25 09:23:55 S 05 49 30.470 +27 31 31.80 – V C57
2021-11-25 09:23:55 s 1 +60154.077 0 +369838.06 3020.0 – C57
2021-11-25 09:33:55 S 05 49 30.461 +27 31 20.64 – V C57
2021-11-25 09:33:55 s 1 +59811.774 0 +369989.30 9740.0 – C57
2021-11-25 09:43:55 S 05 49 30.257 +27 31 13.26 – V C57
2021-11-25 09:43:55 s 1 +59469.309 0 +370139.53 6010.0 – C57
2021-11-25 09:53:55 S 05 49 30.168 +27 31 04.48 – V C57
2021-11-25 09:53:55 s 1 +59126.685 0 +370288.75 1810.0 – C57
2021-11-25 10:03:55 S 05 49 30.230 +27 30 54.94 – V C57
2021-11-25 10:03:55 s 1 +58783.901 0 +370436.96 7160.0 – C57
2021-11-25 10:13:55 S 05 49 30.130 +27 30 46.19 – V C57
2021-11-25 10:13:55 s 1 +58440.959 0 +370584.16 2060.0 – C57
2021-11-25 10:23:55 S 05 49 30.115 +27 30 39.31 – V C57
2021-11-25 10:23:55 s 1 +58097.860 0 +370730.35 6520.0 – C57
2021-11-25 10:33:55 S 05 49 29.981 +27 30 28.04 – V C57
2021-11-25 10:33:55 s 1 +57754.605 0 +370875.53 530.0 – C57
2021-11-25 10:43:55 S 05 49 29.671 +27 30 19.08 – V C57
2021-11-25 10:43:55 s 1 +57411.195 0 +371019.70 4110.0 – C57
2021-11-25 10:53:55 S 05 49 30.010 +27 30 08.60 – V C57
2021-11-25 10:53:55 s 1 +57067.631 0 +371162.87 7250.0 – C57
2021-11-25 11:03:55 S 05 49 29.866 +27 30 01.80 – V C57
2021-11-25 11:03:55 s 1 +56723.914 0 +371305.02 9970.0 – C57
2021-11-25 11:13:55 S 05 49 29.508 +27 29 51.65 – V C57
2021-11-25 11:13:55 s 1 +56380.046 0 +371446.16 2260.0 – C57
2021-11-25 11:23:55 S 05 49 29.563 +27 29 41.78 – V C57
2021-11-25 11:23:55 s 1 +56036.027 0 +371586.30 4130.0 – C57
2021-11-25 11:43:55 S 05 49 29.386 +27 29 20.87 – V C57
2021-11-25 11:43:55 s 1 +55347.541 0 +371863.55 6620.0 – C57
2021-11-25 12:03:47 C 05 49 20.58 +27 19 42.9 – V T05
2021-11-25 12:03:55 S 05 49 28.992 +27 29 06.83 – V C57
2021-11-25 12:03:55 s 1 +54658.465 0 +372136.77 7470.0 – C57
2021-11-25 12:13:55 S 05 49 29.542 +27 28 59.84 – V C57
2021-11-25 12:13:55 s 1 +54313.708 0 +372271.87 7300.0 – C57
2021-11-25 12:19:41 C 05 49 20.48 +27 19 28.8 – V T05
2021-11-25 12:23:55 S 05 49 29.124 +27 28 49.76 – V C57
2021-11-25 12:23:55 s 1 +53968.807 0 +372405.96 6730.0 – C57
2021-11-25 12:24:19 C 05 49 20.45 +27 19 24.6 – V T05
2021-11-25 12:33:05 C 05 49 20.40 +27 19 16.9 – V T05
2021-11-25 13:03:55 S 05 49 28.942 +27 28 10.42 – V C57
2021-11-25 13:03:55 s 1 +52587.779 0 +372932.27 540.0 – C57
2021-11-25 13:13:55 S 05 49 28.668 +27 28 03.90 – V C57
2021-11-25 13:13:55 s 1 +52242.171 0 +373061.34 8040.0 – C57
2021-11-25 13:33:55 S 05 49 28.548 +27 27 47.20 – V C57
2021-11-25 13:33:55 s 1 +51550.542 0 +373316.45 1930.0 – C57
2021-11-25 13:43:55 S 05 49 28.332 +27 27 36.76 – V C57
2021-11-25 13:43:55 s 1 +51204.523 0 +373442.50 8320.0 – C57
2021-11-25 14:03:55 S 05 49 28.534 +27 27 17.06 – V C57
2021-11-25 14:03:55 s 1 +50512.081 0 +373691.59 20.0 – C57
2021-11-25 14:13:55 S 05 49 28.414 +27 27 08.32 – V C57
2021-11-25 14:13:55 s 1 +50165.660 0 +373814.62 5340.0 – C57