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
2021-05-18 11:04:02 S 15 30 33.830 -27 25 51.56 – V C57
2021-05-18 11:04:02 s 1 +51757.609 0 +385189.38 7540.0 – C57
2021-05-18 11:24:02 S 15 30 27.895 -27 25 46.63 – V C57
2021-05-18 11:24:02 s 1 +51041.445 0 +385486.59 9800.0 – C57
2021-05-18 11:34:02 S 15 30 25.318 -27 25 43.90 – V C57
2021-05-18 11:34:02 s 1 +50683.180 0 +385633.77 670.0 – C57
2021-05-18 11:44:02 S 15 30 23.100 -27 25 39.18 – V C57
2021-05-18 11:44:02 s 1 +50324.795 0 +385780.01 1380.0 – C57
2021-05-18 11:54:02 S 15 30 20.393 -27 25 27.41 – V C57
2021-05-18 11:54:02 s 1 +49966.291 0 +385925.30 1930.0 – C57
2021-05-18 12:04:02 S 15 30 17.225 -27 25 28.16 – V C57
2021-05-18 12:04:02 s 1 +49607.668 0 +386069.64 2320.0 – C57
2021-05-18 12:14:02 S 15 30 14.501 -27 25 26.90 – V C57
2021-05-18 12:14:02 s 1 +49248.928 0 +386213.03 2550.0 – C57
2021-05-18 12:24:02 S 15 30 12.216 -27 25 29.78 – V C57
2021-05-18 12:24:02 s 1 +48890.071 0 +386355.48 2620.0 – C57
2021-05-18 12:34:02 S 15 30 09.413 -27 25 26.62 – V C57
2021-05-18 12:34:02 s 1 +48531.100 0 +386496.98 2540.0 – C57
2021-05-18 12:54:02 S 15 30 03.857 -27 25 12.76 – V C57
2021-05-18 12:54:02 s 1 +47812.813 0 +386777.16 1930.0 – C57
2021-05-18 13:04:02 S 15 30 01.526 -27 25 11.42 – V C57
2021-05-18 13:04:02 s 1 +47453.501 0 +386915.82 1400.0 – C57
2021-05-18 13:14:02 S 15 29 58.632 -27 25 11.06 – V C57
2021-05-18 13:14:02 s 1 +47094.077 0 +387053.55 730.0 – C57
2021-05-18 13:24:02 S 15 29 56.170 -27 25 05.20 – V C57
2021-05-18 13:24:02 s 1 +46734.543 0 +387190.33 9910.0 – C57
2021-05-18 13:34:02 S 15 29 53.112 -27 24 54.50 – V C57
2021-05-18 13:34:02 s 1 +46374.899 0 +387326.16 8960.0 – C57
2021-05-18 13:44:02 S 15 29 50.602 -27 24 55.84 – V C57
2021-05-18 13:44:02 s 1 +46015.147 0 +387461.06 7870.0 – C57
2021-05-18 14:24:02 S 15 29 39.842 -27 24 41.40 – V C57
2021-05-18 14:24:02 s 1 +44575.071 0 +387991.20 2170.0 – C57
2021-05-18 14:34:02 S 15 29 37.135 -27 24 41.11 – V C57
2021-05-18 14:34:02 s 1 +44214.791 0 +388121.38 420.0 – C57
2021-05-18 14:54:02 S 15 29 31.246 -27 24 34.74 – V C57
2021-05-18 14:54:02 s 1 +43493.923 0 +388378.92 6560.0 – C57
2021-05-18 15:14:02 S 15 29 26.071 -27 24 23.26 – V C57
2021-05-18 15:14:02 s 1 +42772.652 0 +388632.69 2230.0 – C57
2021-05-18 15:24:02 S 15 29 23.275 -27 24 17.96 – V C57
2021-05-18 15:24:02 s 1 +42411.867 0 +388758.17 9890.0 – C57
2021-05-18 15:34:02 S 15 29 20.287 -27 24 19.15 – V C57
2021-05-18 15:34:02 s 1 +42050.985 0 +388882.70 7430.0 – C57
2021-05-18 15:44:02 S 15 29 17.618 -27 24 13.57 – V C57
2021-05-18 15:44:02 s 1 +41690.006 0 +389006.30 4870.0 – C57
2021-05-18 15:54:02 S 15 29 15.293 -27 24 14.04 – V C57
2021-05-18 15:54:02 s 1 +41328.931 0 +389128.96 2200.0 – C57
2021-05-18 16:04:02 S 15 29 12.362 -27 24 03.74 – V C57
2021-05-18 16:04:02 s 1 +40967.761 0 +389250.67 9420.0 – C57
2021-05-18 16:14:02 S 15 29 10.082 -27 23 59.68 – V C57
2021-05-18 16:14:02 s 1 +40606.496 0 +389371.45 6540.0 – C57