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 02:53:55 S 05 49 33.521 +27 37 17.00 – V C57
2021-11-25 02:53:55 s 1 +73366.467 0 +363147.53 6970.0 – C57
2021-11-25 03:03:55 S 05 49 33.458 +27 37 03.14 – V C57
2021-11-25 03:03:55 s 1 +73031.310 0 +363338.47 4930.0 – C57
2021-11-25 03:13:55 S 05 49 33.367 +27 36 57.56 – V C57
2021-11-25 03:13:55 s 1 +72695.948 0 +363528.37 2250.0 – C57
2021-11-25 03:23:55 S 05 49 32.976 +27 36 51.44 – V C57
2021-11-25 03:23:55 s 1 +72360.382 0 +363717.25 8960.0 – C57
2021-11-25 03:33:55 S 05 49 33.036 +27 36 41.69 – V C57
2021-11-25 03:33:55 s 1 +72024.615 0 +363905.11 5050.0 – C57
2021-11-25 03:43:55 S 05 49 32.964 +27 36 32.80 – V C57
2021-11-25 03:43:55 s 1 +71688.646 0 +364091.95 530.0 – C57
2021-11-25 03:53:55 S 05 49 32.909 +27 36 23.44 – V C57
2021-11-25 03:53:55 s 1 +71352.477 0 +364277.76 5400.0 – C57
2021-11-25 04:03:55 S 05 49 32.873 +27 36 15.05 – V C57
2021-11-25 04:03:55 s 1 +71016.110 0 +364462.55 9670.0 – C57
2021-11-25 04:13:55 S 05 49 32.906 +27 36 07.45 – V C57
2021-11-25 04:13:55 s 1 +70679.544 0 +364646.32 3340.0 – C57
2021-11-25 04:23:55 S 05 49 32.609 +27 35 57.26 – V C57
2021-11-25 04:23:55 s 1 +70342.783 0 +364829.07 6420.0 – C57
2021-11-25 04:33:55 S 05 49 32.566 +27 35 46.75 – V C57
2021-11-25 04:33:55 s 1 +70005.825 0 +365010.79 8900.0 – C57
2021-11-25 04:43:55 S 05 49 32.681 +27 35 38.76 – V C57
2021-11-25 04:43:55 s 1 +69668.674 0 +365191.49 800.0 – C57
2021-11-25 04:53:55 S 05 49 32.525 +27 35 29.22 – V C57
2021-11-25 04:53:55 s 1 +69331.329 0 +365371.18 2110.0 – C57
2021-11-25 05:03:55 S 05 49 32.412 +27 35 21.73 – V C57
2021-11-25 05:03:55 s 1 +68993.793 0 +365549.84 2850.0 – C57
2021-11-25 05:13:55 S 05 49 32.546 +27 35 14.17 – V C57
2021-11-25 05:13:55 s 1 +68656.065 0 +365727.48 3010.0 – C57
2021-11-25 05:23:55 S 05 49 32.407 +27 35 04.45 – V C57
2021-11-25 05:23:55 s 1 +68318.148 0 +365904.10 2610.0 – C57
2021-11-25 05:33:55 S 05 49 32.335 +27 34 54.66 – V C57
2021-11-25 05:33:55 s 1 +67980.041 0 +366079.71 1640.0 – C57
2021-11-25 05:43:55 S 05 49 32.035 +27 34 49.26 – V C57
2021-11-25 05:43:55 s 1 +67641.748 0 +366254.29 110.0 – C57
2021-11-25 05:53:55 S 05 49 32.208 +27 34 36.73 – V C57
2021-11-25 05:53:55 s 1 +67303.268 0 +366427.86 8020.0 – C57
2021-11-25 06:13:55 S 05 49 31.766 +27 34 20.24 – V C57
2021-11-25 06:13:55 s 1 +66625.753 0 +366771.94 2190.0 – C57
2021-11-25 07:23:55 S 05 49 31.169 +27 33 18.18 – V C57
2021-11-25 07:23:55 s 1 +64248.741 0 +367944.17 4880.0 – C57
2021-11-25 08:23:55 S 05 49 30.881 +27 32 20.69 – V C57
2021-11-25 08:23:55 s 1 +62204.448 0 +368909.35 2770.0 – C57
2021-11-25 08:53:55 S 05 49 30.398 +27 31 56.75 – V C57
2021-11-25 08:53:55 s 1 +61180.008 0 +369378.26 50.0 – C57
2021-11-25 09:03:55 S 05 49 30.818 +27 31 47.89 – V C57
2021-11-25 09:03:55 s 1 +60838.195 0 +369532.54 8180.0 – C57
2021-11-25 09:13:55 S 05 49 30.660 +27 31 40.91 – V C57
2021-11-25 09:13:55 s 1 +60496.218 0 +369685.80 5830.0 – C57