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 19:33:55 S 05 49 25.692 +27 22 13.94 – V C57
2021-11-25 19:33:55 s 1 +39016.015 0 +377223.08 1960.0 – C57
2021-11-25 19:43:55 S 05 49 25.334 +27 22 10.45 – V C57
2021-11-25 19:43:55 s 1 +38665.772 0 +377313.11 7770.0 – C57
2021-11-25 19:53:55 S 05 49 25.409 +27 22 00.41 – V C57
2021-11-25 19:53:55 s 1 +38315.429 0 +377402.14 3360.0 – C57
2021-11-25 20:03:55 S 05 49 25.217 +27 21 51.01 – V C57
2021-11-25 20:03:55 s 1 +37964.989 0 +377490.17 8740.0 – C57
2021-11-25 20:13:55 S 05 49 25.090 +27 21 40.93 – V C57
2021-11-25 20:13:55 s 1 +37614.451 0 +377577.21 3890.0 – C57
2021-11-25 20:23:55 S 05 49 25.150 +27 21 32.98 – V C57
2021-11-25 20:23:55 s 1 +37263.818 0 +377663.25 8830.0 – C57
2021-11-25 20:33:55 S 05 49 25.171 +27 21 23.18 – V C57
2021-11-25 20:33:55 s 1 +36913.090 0 +377748.30 3570.0 – C57
2021-11-25 20:43:55 S 05 49 25.001 +27 21 13.93 – V C57
2021-11-25 20:43:55 s 1 +36562.267 0 +377832.35 8100.0 – C57
2021-11-25 20:53:55 S 05 49 24.785 +27 21 03.64 – V C57
2021-11-25 20:53:55 s 1 +36211.352 0 +377915.40 2430.0 – C57
2021-11-25 21:03:55 S 05 49 24.869 +27 20 52.69 – V C57
2021-11-25 21:03:55 s 1 +35860.345 0 +377997.45 6560.0 – C57
2021-11-25 21:13:55 S 05 49 24.768 +27 20 48.66 – V C57
2021-11-25 21:13:55 s 1 +35509.247 0 +378078.51 500.0 – C57
2021-11-25 22:13:55 S 05 49 24.043 +27 19 49.22 – V C57
2021-11-25 22:13:55 s 1 +33400.801 0 +378543.97 300.0 – C57
2021-11-25 22:23:55 S 05 49 24.034 +27 19 41.70 – V C57
2021-11-25 22:23:55 s 1 +33049.092 0 +378618.06 3000.0 – C57
2021-11-25 22:33:55 S 05 49 23.978 +27 19 30.11 – V C57
2021-11-25 22:33:55 s 1 +32697.301 0 +378691.16 5530.0 – C57
2021-11-25 22:43:55 S 05 49 23.455 +27 19 21.65 – V C57
2021-11-25 22:43:55 s 1 +32345.427 0 +378763.26 7900.0 – C57
2021-11-25 22:53:55 S 05 49 23.520 +27 19 12.72 – V C57
2021-11-25 22:53:55 s 1 +31993.473 0 +378834.37 120.0 – C57
2021-11-25 23:03:55 S 05 49 23.777 +27 19 05.77 – V C57
2021-11-25 23:03:55 s 1 +31641.437 0 +378904.49 2180.0 – C57
2021-11-25 23:13:55 S 05 49 23.453 +27 18 58.97 – V C57
2021-11-25 23:13:55 s 1 +31289.323 0 +378973.61 4100.0 – C57
2021-11-25 23:23:55 S 05 49 23.230 +27 18 47.20 – V C57
2021-11-25 23:23:55 s 1 +30937.130 0 +379041.73 5870.0 – C57
2021-11-25 23:43:55 S 05 49 23.278 +27 18 26.93 – V C57
2021-11-25 23:43:55 s 1 +30232.512 0 +379175.00 9000.0 – C57
2021-11-25 23:53:55 S 05 49 23.254 +27 18 19.08 – V C57
2021-11-25 23:53:55 s 1 +29880.090 0 +379240.15 360.0 – C57
2021-11-26 00:03:55 S 05 49 23.203 +27 18 09.47 – V C57
2021-11-26 00:03:55 s 1 +29527.593 0 +379304.30 1590.0 – C57
2021-11-26 00:13:55 S 05 49 23.189 +27 18 00.14 – V C57
2021-11-26 00:13:55 s 1 +29175.022 0 +379367.45 2690.0 – C57
2021-11-26 00:33:55 S 05 49 22.846 +27 17 40.78 – V C57
2021-11-26 00:33:55 s 1 +28469.664 0 +379490.78 4540.0 – C57
2021-11-26 00:43:55 S 05 49 22.810 +27 17 31.16 – V C57
2021-11-26 00:43:55 s 1 +28116.879 0 +379550.96 5290.0 – C57