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
2019-12-20 14:44:24 s 1 -166065.95 4 +303508.55 2480.0 C57
2019-12-20 16:44:24 S 04 26 12.641 +33 37 44.15 V C57
2019-12-20 16:44:24 s 1 -168260.76 3 +298291.06 5710.0 C57
2019-12-20 17:14:24 S 04 26 11.918 +33 37 06.71 V C57
2019-12-20 17:14:24 s 1 -168795.94 8 +296963.06 9040.0 C57
2019-12-20 17:44:24 S 04 26 11.112 +33 36 31.21 V C57
2019-12-20 17:44:24 s 1 -169325.61 1 +295625.55 3140.0 C57
2019-12-20 18:14:24 S 04 26 10.327 +33 35 52.33 V C57
2019-12-20 18:14:24 s 1 -169849.69 2 +294278.50 7890.0 C57
2019-12-20 18:44:24 S 04 26 09.413 +33 35 21.26 V C57
2019-12-20 18:44:24 s 1 -170368.13 2 +292921.87 3150.0 C57
2019-12-20 19:14:24 S 04 26 08.926 +33 34 39.76 V C57
2019-12-20 19:14:24 s 1 -170880.86 9 +291555.65 8810.0 C57
2019-12-20 20:14:24 S 04 26 07.502 +33 33 30.17 V C57
2019-12-20 20:14:24 s 1 -171888.98 7 +288794.25 790.0 C57
2019-12-20 20:44:24 S 04 26 06.722 +33 32 51.54 V C57
2019-12-20 20:44:24 s 1 -172384.24 2 +287399.02 6850.0 C57
2019-12-21 00:14:24 S 04 26 01.966 +33 28 39.32 V C57
2019-12-21 00:14:24 s 1 -175680.51 2 +277357.95 7760.0 C57
2019-12-21 00:44:24 S 04 26 01.243 +33 28 03.47 V C57
2019-12-21 00:44:24 s 1 -176126.22 3 +275883.88 8810.0 C57
2019-12-21 01:14:24 S 04 26 00.648 +33 27 26.96 V C57
2019-12-21 01:14:24 s 1 -176565.42 2 +274399.80 8570.0 C57
2019-12-21 01:44:24 S 04 25 59.851 +33 26 50.93 V C57
2019-12-21 01:44:24 s 1 -176998.03 6 +272905.67 6880.0 C57
2019-12-21 02:14:24 S 04 25 59.184 +33 26 14.71 V C57
2019-12-21 02:14:24 s 1 -177423.98 9 +271401.45 3590.0 C57
2019-12-21 02:44:24 S 04 25 58.630 +33 25 38.96 V C57
2019-12-21 02:44:24 s 1 -177843.20 2 +269887.10 8540.0 C57
2019-12-21 03:14:24 S 04 25 57.924 +33 25 02.89 V C57
2019-12-21 03:14:24 s 1 -178255.59 9 +268362.59 1560.0 C57
2019-12-21 03:44:24 S 04 25 57.235 +33 24 26.50 V C57
2019-12-21 03:44:24 s 1 -178661.10 0 +266827.87 2490.0 C57
2019-12-21 04:14:24 S 04 25 56.594 +33 23 50.71 V C57
2019-12-21 04:14:24 s 1 -179059.62 3 +265282.90 1150.0 C57
2019-12-21 04:44:24 S 04 25 55.954 +33 23 15.04 V C57
2019-12-21 04:44:24 s 1 -179451.08 7 +263727.65 7390.0 C57
2019-12-21 05:44:24 S 04 25 54.590 +33 22 03.04 V C57
2019-12-21 05:44:24 s 1 -180212.49 8 +260586.14 1850.0 C57
2019-12-21 06:14:24 S 04 25 53.962 +33 21 26.46 V C57
2019-12-21 06:14:24 s 1 -180582.27 4 +258999.79 9710.0 C57
2019-12-21 06:44:24 S 04 25 53.386 +33 20 51.58 V C57
2019-12-21 06:44:24 s 1 -180944.64 6 +257402.99 4430.0 C57
2019-12-21 07:14:24 S 04 25 52.740 +33 20 15.14 V C57
2019-12-21 07:14:24 s 1 -181299.52 5 +255795.70 5810.0 C57
2019-12-21 07:44:24 S 04 25 52.133 +33 19 38.53 V C57
2019-12-21 07:44:24 s 1 -181646.81 9 +254177.88 3650.0 C57
2019-12-21 08:14:24 S 04 25 51.490 +33 19 03.00 V C57
2019-12-21 08:14:24 s 1 -181986.43 5 +252549.47 7770.0 C57
2019-12-21 08:44:24 S 04 25 50.830 +33 18 26.75 V C57