IAA RAS IAA Minor Planet Database

99248 (2001 KY66)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5077035333 ± 6.40e-09
Semi-major axis (a)1.8664342312 AU ± 1.78e-09
Inclination (i)10.61167784° ± 1.60e-06
Long. of Asc. Node (Ω)284.10982964° ± 6.36e-06
Arg. of Perihelion (ω)61.54929256° ± 6.68e-06
Mean Anomaly (M)154.34676223° ± 1.30e-06
Mean Motion (n)0.3865389296°/day ± 5.53e-10
Perihelion dist (q)0.91883898 AU ± 1.20e-08
Aphelion dist (Q)2.81402949 AU ± 1.22e-08
Orbital Period2.54987585 yr ± 3.65e-09
Physical Parameters
H (abs. magnitude)16.54
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.381″
Uncertainty0
Orbit TypeApollo
MOID0.046263 AU
Observations Used3265
Oppositions21
Arc Total1991-2025
First Observation Used1991-06-08
Last Observation Used2025-03-10
Observations (5287)
Date Type RA Dec Mag Band Observatory
2019-09-22 00:44:27 s 1 -203919.01 1 +167620.52 8250.0 – C57
2019-09-22 01:14:27 S 13 50 56.729 +58 28 23.88 – V C57
2019-09-22 01:14:27 s 1 -203882.96 4 +165571.06 6500.0 – C57
2019-09-22 01:44:27 S 13 50 48.206 +58 29 57.34 – V C57
2019-09-22 01:44:27 s 1 -203833.16 2 +163510.40 9570.0 – C57
2019-09-22 03:14:27 S 13 50 19.522 +58 35 10.86 – V C57
2019-09-22 03:14:27 s 1 -203599.22 6 +157261.02 2170.0 – C57
2019-09-22 03:44:27 S 13 50 10.946 +58 36 47.99 – V C57
2019-09-22 03:44:27 s 1 -203492.38 3 +155155.35 8900.0 – C57
2019-09-22 04:44:27 S 13 49 51.478 +58 40 15.53 – V C57
2019-09-22 04:44:27 s 1 -203234.11 6 +150910.11 7530.0 – C57
2019-09-22 05:14:27 S 13 49 42.458 +58 41 53.56 – V C57
2019-09-22 05:14:27 s 1 -203082.24 6 +148770.49 8180.0 – C57
2019-09-22 05:44:27 S 13 49 33.046 +58 43 32.45 – V C57
2019-09-22 05:44:27 s 1 -202914.91 4 +146619.52 8860.0 – C57
2019-09-22 06:14:27 S 13 49 23.854 +58 45 10.30 – V C57
2019-09-22 06:14:27 s 1 -202731.88 3 +144457.18 8900.0 – C57
2019-09-22 07:14:27 S 13 49 05.455 +58 48 25.85 – V C57
2019-09-22 07:14:27 s 1 -202317.76 1 +140098.36 4330.0 – C57
2019-09-22 07:44:27 S 13 48 55.198 +58 50 11.26 – V C57
2019-09-22 07:44:27 s 1 -202086.17 0 +137901.84 8320.0 – C57
2019-09-22 08:14:27 S 13 48 45.977 +58 51 47.66 – V C57
2019-09-22 08:14:27 s 1 -201837.88 6 +135693.92 8860.0 – C57
2019-09-22 08:44:27 S 13 48 36.406 +58 53 27.67 – V C57
2019-09-22 08:44:27 s 1 -201572.64 3 +133474.57 5190.0 – C57
2019-09-22 09:14:27 S 13 48 26.954 +58 55 04.66 – V C57
2019-09-22 09:14:27 s 1 -201290.17 2 +131243.79 6560.0 – C57
2019-09-22 09:44:27 S 13 48 16.632 +58 56 49.74 – V C57
2019-09-22 09:44:27 s 1 -200990.19 7 +129001.58 2190.0 – C57
2019-09-22 10:14:27 S 13 48 07.594 +58 58 21.83 – V C57
2019-09-22 10:14:27 s 1 -200672.43 4 +126747.94 1250.0 – C57
2019-09-22 11:14:27 S 13 47 47.602 +59 01 43.82 – V C57
2019-09-22 11:14:27 s 1 -199982.37 9 +122206.34 6410.0 – C57
2019-09-22 11:44:27 S 13 47 37.162 +59 03 26.24 – V C57
2019-09-22 11:44:27 s 1 -199609.48 5 +119918.39 790.0 – C57
2019-09-22 12:14:27 S 13 47 28.567 +59 04 54.08 – V C57
2019-09-22 12:14:27 s 1 -199217.60 2 +117619.01 5190.0 – C57
2019-09-22 12:44:27 S 13 47 18.470 +59 06 34.45 – V C57
2019-09-22 12:44:27 s 1 -198806.40 8 +115308.21 8700.0 – C57
2019-09-22 13:14:27 S 13 47 08.710 +59 08 08.99 – V C57
2019-09-22 13:14:27 s 1 -198375.57 7 +112986.01 400.0 – C57
2019-09-22 14:14:27 S 13 46 47.686 +59 11 35.88 – V C57
2019-09-22 14:14:27 s 1 -197453.65 2 +108307.45 4440.0 – C57
2019-09-22 15:14:27 S 13 46 28.990 +59 14 37.82 – V C57
2019-09-22 15:14:27 s 1 -196449.03 5 +103583.48 9350.0 – C57
2019-09-22 19:14:27 S 13 45 06.331 +59 27 35.68 – V C57
2019-09-22 19:14:27 s 1 -191542.54 3 +84238.783 1850.0 – C57
2019-09-22 19:44:27 S 13 44 55.915 +59 29 12.01 – V C57
2019-09-22 19:44:27 s 1 -190822.46 4 +81771.009 2310.0 – C57
2019-09-22 20:14:27 S 13 44 46.558 +59 30 38.34 – V C57