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
2021-11-15 16:53:55 S 05 46 36.809 +30 15 11.30 – V C57
2021-11-15 16:53:55 s 1 -110630.43 1 +319530.91 6090.0 – C57
2021-11-15 17:53:55 S 05 46 37.718 +30 14 36.06 – V C57
2021-11-15 17:53:55 s 1 -112411.08 6 +317355.30 3510.0 – C57
2021-11-15 18:23:55 S 05 46 38.242 +30 14 19.21 – V C57
2021-11-15 18:23:55 s 1 -113295.88 6 +316251.81 9100.0 – C57
2021-11-15 19:43:55 S 05 46 39.163 +30 13 23.92 – V C57
2021-11-15 19:43:55 s 1 -115636.85 2 +313257.82 3450.0 – C57
2021-11-15 19:53:55 S 05 46 39.494 +30 13 20.24 – V C57
2021-11-15 19:53:55 s 1 -115927.54 6 +312878.30 960.0 – C57
2021-11-15 20:23:55 S 05 46 39.874 +30 12 56.09 – V C57
2021-11-15 20:23:55 s 1 -116797.00 8 +311732.68 2590.0 – C57
2021-11-15 22:13:55 S 05 46 41.011 +30 11 47.62 – V C57
2021-11-15 22:13:55 s 1 -119950.65 5 +307441.14 2300.0 – C57
2021-11-15 22:23:55 S 05 46 41.268 +30 11 39.44 – V C57
2021-11-15 22:23:55 s 1 -120234.60 8 +307043.88 1810.0 – C57
2021-11-15 22:33:55 S 05 46 41.611 +30 11 31.38 – V C57
2021-11-15 22:33:55 s 1 -120518.09 5 +306645.43 9380.0 – C57
2021-11-15 23:03:55 S 05 46 41.736 +30 11 16.73 – V C57
2021-11-15 23:03:55 s 1 -121365.73 9 +305442.91 430.0 – C57
2021-11-15 23:13:55 S 05 46 42.158 +30 11 05.89 – V C57
2021-11-15 23:13:55 s 1 -121647.34 0 +305039.68 190.0 – C57
2021-11-16 00:53:55 S 05 46 43.483 +30 09 56.34 – V C57
2021-11-16 00:53:55 s 1 -124436.75 3 +300941.34 7840.0 – C57
2021-11-16 01:23:55 S 05 46 43.778 +30 09 41.36 – V C57
2021-11-16 01:23:55 s 1 -125263.94 2 +299688.32 4350.0 – C57
2021-11-16 02:33:55 S 05 46 44.674 +30 08 55.14 – V C57
2021-11-16 02:33:55 s 1 -127176.21 8 +296722.10 9410.0 – C57
2021-11-16 02:43:55 S 05 46 44.681 +30 08 45.20 – V C57
2021-11-16 02:43:55 s 1 -127447.32 8 +296293.48 5890.0 – C57
2021-11-16 03:03:55 S 05 46 45.002 +30 08 30.59 – V C57
2021-11-16 03:03:55 s 1 -127987.97 0 +295432.57 2360.0 – C57
2021-11-16 03:53:55 S 05 46 45.389 +30 08 01.18 – V C57
2021-11-16 03:53:55 s 1 -129330.25 5 +293258.83 220.0 – C57
2021-11-16 04:03:55 S 05 46 45.869 +30 07 52.75 – V C57
2021-11-16 04:03:55 s 1 -129597.09 4 +292820.39 9150.0 – C57
2021-11-16 04:23:55 S 05 46 46.106 +30 07 38.64 – V C57
2021-11-16 04:23:55 s 1 -130129.13 6 +291939.82 300.0 – C57
2021-11-16 04:33:55 S 05 46 46.363 +30 07 33.31 – V C57
2021-11-16 04:33:55 s 1 -130394.33 4 +291497.68 2490.0 – C57
2021-11-16 04:43:55 S 05 46 46.248 +30 07 25.82 – V C57
2021-11-16 04:43:55 s 1 -130658.97 8 +291054.30 2420.0 – C57
2021-11-16 04:53:55 S 05 46 46.546 +30 07 16.68 – V C57
2021-11-16 04:53:55 s 1 -130923.06 8 +290609.69 80.0 – C57
2021-11-16 05:13:55 S 05 46 46.291 +30 06 59.76 – V C57
2021-11-16 05:13:55 s 1 -131449.57 3 +289716.75 8520.0 – C57
2021-11-16 05:43:55 S 05 46 47.294 +30 06 43.92 – V C57
2021-11-16 05:43:55 s 1 -132235.10 2 +288368.01 3870.0 – C57
2021-11-16 05:53:55 S 05 46 47.546 +30 06 38.99 – V C57
2021-11-16 05:53:55 s 1 -132495.80 8 +287915.94 7660.0 – C57