IAA RAS IAA Minor Planet Database

387505 (1998 KN3)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8733563504 ± 3.35e-08
Semi-major axis (a)1.5420258269 AU ± 4.05e-09
Inclination (i)2.28899314° ± 3.33e-06
Long. of Asc. Node (Ω)313.21670388° ± 1.34e-04
Arg. of Perihelion (ω)71.26540037° ± 1.33e-04
Mean Anomaly (M)94.65016706° ± 7.90e-06
Mean Motion (n)0.5147244577°/day ± 2.03e-09
Perihelion dist (q)0.19528778 AU ± 5.17e-08
Aphelion dist (Q)2.88876388 AU ± 5.23e-08
Orbital Period1.91486196 yr ± 7.55e-09
Physical Parameters
H (abs. magnitude)18.78
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual1.288″
Uncertainty0
Orbit TypeApollo
MOID0.018259 AU
Observations Used1460
Oppositions12
Arc Total1998-2023
First Observation Used1998-05-24
Last Observation Used2023-04-29
Observations (2619)
Date Type RA Dec Mag Band Observatory
2021-05-19 06:14:02 S 15 25 15.924 -27 18 37.44 – V C57
2021-05-19 06:14:02 s 1 +10019.650 0 +396191.37 290.0 – C57
2021-05-19 06:24:02 S 15 25 13.003 -27 18 39.38 – V C57
2021-05-19 06:34:02 S 15 25 09.787 -27 18 33.73 – V C57
2021-05-19 06:44:02 S 15 25 07.238 -27 18 26.96 – V C57
2021-05-19 06:54:02 S 15 25 03.989 -27 18 24.23 – V C57
2021-05-19 07:04:02 S 15 25 01.267 -27 18 20.88 – V C57
2021-05-19 07:14:02 S 15 24 58.006 -27 18 10.22 – V C57
2021-05-19 07:24:02 S 15 24 55.294 -27 18 16.74 – V C57
2021-05-19 07:34:02 S 15 24 52.426 -27 18 06.52 – V C57
2021-05-19 08:34:02 S 15 24 35.491 -27 17 44.59 – V C57
2021-05-19 08:44:02 S 15 24 33.000 -27 17 39.23 – V C57
2021-05-19 09:04:02 S 15 24 27.242 -27 17 27.64 – V C57
2021-05-19 09:15:25 C 15 23 12.00 -27 26 33.3 – V T05
2021-05-19 09:34:02 S 15 24 18.374 -27 17 19.64 – V C57
2021-05-19 09:41:03 C 15 23 04.09 -27 26 21.3 – V T05
2021-05-19 09:54:02 S 15 24 12.245 -27 17 13.31 – V C57
2021-05-19 09:55:57 C 15 22 59.49 -27 26 14.2 – V T05
2021-05-19 10:24:58 C 15 22 50.52 -27 26 00.0 – V T05
2021-05-19 10:54:02 S 15 23 55.277 -27 16 46.60 – V C57
2021-05-19 11:04:02 S 15 23 52.157 -27 16 45.26 – V C57
2021-05-19 11:14:02 S 15 23 49.488 -27 16 35.90 – V C57
2021-05-19 11:34:02 S 15 23 43.913 -27 16 23.74 – V C57
2021-05-19 11:44:02 S 15 23 41.033 -27 16 23.23 – V C57
2021-05-19 12:34:02 S 15 23 25.723 -27 16 02.50 – V C57
2021-05-19 12:44:02 S 15 23 22.771 -27 16 03.04 – V C57
2021-05-19 12:54:02 S 15 23 20.263 -27 15 50.47 – V C57
2021-05-19 13:04:02 S 15 23 17.486 -27 15 52.31 – V C57
2021-05-19 13:14:02 S 15 23 14.868 -27 15 42.88 – V C57
2021-05-19 13:24:02 S 15 23 11.314 -27 15 42.30 – V C57
2021-05-19 13:34:02 S 15 23 08.870 -27 15 34.99 – V C57
2021-05-19 13:44:02 S 15 23 05.702 -27 15 30.89 – V C57
2021-05-19 13:54:02 S 15 23 02.719 -27 15 29.12 – V C57
2021-05-19 14:04:02 S 15 22 59.887 -27 15 23.87 – V C57
2021-05-19 14:14:02 S 15 22 56.995 -27 15 22.72 – V C57
2021-05-19 14:24:02 S 15 22 53.681 -27 15 14.36 – V C57
2021-05-19 14:34:02 S 15 22 50.659 -27 15 11.45 – V C57
2021-05-19 14:44:02 S 15 22 48.173 -27 15 08.17 – V C57
2021-05-19 14:54:02 S 15 22 45.396 -27 15 03.78 – V C57
2021-05-19 15:04:02 S 15 22 41.376 -27 14 28.03 – V C57
2021-05-19 15:34:02 S 15 22 33.310 -27 14 49.78 – V C57
2021-05-19 15:34:02 s 1 -10470.470 0 +397121.31 4530.0 – C57
2021-05-19 15:44:02 S 15 22 30.564 -27 14 43.01 – V C57
2021-05-19 15:44:02 s 1 -10835.912 0 +397111.79 460.0 – C57
2021-05-19 15:54:02 S 15 22 27.240 -27 14 37.39 – V C57
2021-05-19 15:54:02 s 1 -11201.321 0 +397101.35 6200.0 – C57
2021-05-19 16:04:02 S 15 22 24.854 -27 14 32.89 – V C57
2021-05-19 16:04:02 s 1 -11566.697 0 +397090.01 1740.0 – C57
2021-05-19 16:14:02 S 15 22 21.804 -27 14 29.76 – V C57
2021-05-19 16:14:02 s 1 -11932.039 0 +397077.74 7080.0 – C57