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
2021-05-24 21:44:02 S 14 36 18.420 -25 39 59.29 – V C57
2021-05-24 21:44:02 s 1 -188008.69 7 +104053.08 3230.0 – C57
2021-05-24 21:54:02 S 14 36 14.021 -25 39 47.95 – V C57
2021-05-24 21:54:02 s 1 -187869.45 9 +103215.76 1330.0 – C57
2021-05-24 22:04:02 S 14 36 08.957 -25 39 32.18 – V C57
2021-05-24 22:04:02 s 1 -187727.66 5 +102377.04 2940.0 – C57
2021-05-24 22:14:02 S 14 36 05.038 -25 39 21.67 – V C57
2021-05-24 22:14:02 s 1 -187583.29 8 +101536.92 8030.0 – C57
2021-05-24 22:24:02 S 14 36 00.504 -25 39 12.67 – V C57
2021-05-24 22:24:02 s 1 -187436.34 3 +100695.40 6550.0 – C57
2021-05-24 22:34:02 S 14 35 55.594 -25 38 55.75 – V C57
2021-05-24 22:34:02 s 1 -187286.78 2 +99852.490 8460.0 – C57
2021-05-24 22:44:02 S 14 35 51.163 -25 38 45.20 – V C57
2021-05-24 22:44:02 s 1 -187134.59 9 +99008.173 3730.0 – C57
2021-05-24 22:54:02 S 14 35 46.212 -25 38 31.27 – V C57
2021-05-24 22:54:02 s 1 -186979.77 7 +98162.461 2300.0 – C57
2021-05-24 23:04:02 S 14 35 41.782 -25 38 18.35 – V C57
2021-05-24 23:04:02 s 1 -186822.29 9 +97315.356 4140.0 – C57
2021-05-24 23:14:02 S 14 35 37.378 -25 38 08.70 – V C57
2021-05-24 23:14:02 s 1 -186662.14 7 +96466.858 9210.0 – C57
2021-05-24 23:24:02 S 14 35 32.321 -25 37 56.17 – V C57
2021-05-24 23:24:02 s 1 -186499.30 4 +95616.969 7460.0 – C57
2021-05-24 23:34:02 S 14 35 27.967 -25 37 40.73 – V C57
2021-05-24 23:34:02 s 1 -186333.75 2 +94765.693 8860.0 – C57
2021-05-24 23:44:02 S 14 35 23.681 -25 37 28.81 – V C57
2021-05-24 23:44:02 s 1 -186165.47 4 +93913.030 3340.0 – C57
2021-05-24 23:54:02 S 14 35 19.164 -25 37 18.05 – V C57
2021-05-24 23:54:02 s 1 -185994.45 1 +93058.982 880.0 – C57
2021-05-25 00:04:02 S 14 35 14.489 -25 37 03.83 – V C57
2021-05-25 00:04:02 s 1 -185820.66 6 +92203.553 1430.0 – C57
2021-05-25 00:14:02 S 14 35 09.874 -25 36 50.87 – V C57
2021-05-25 00:14:02 s 1 -185644.10 0 +91346.744 4950.0 – C57
2021-05-25 00:24:02 S 14 35 05.362 -25 36 38.92 – V C57
2021-05-25 00:24:02 s 1 -185464.73 5 +90488.558 1380.0 – C57
2021-05-25 00:34:02 S 14 35 00.742 -25 36 24.41 – V C57
2021-05-25 00:34:02 s 1 -185282.55 3 +89628.997 690.0 – C57
2021-05-25 00:44:02 S 14 34 55.798 -25 36 12.74 – V C57
2021-05-25 00:44:02 s 1 -185097.53 3 +88768.063 2820.0 – C57
2021-05-25 00:54:02 S 14 34 51.235 -25 36 02.12 – V C57
2021-05-25 00:54:02 s 1 -184909.65 9 +87905.761 7740.0 – C57
2021-05-25 01:04:02 S 14 34 46.898 -25 35 45.10 – V C57
2021-05-25 01:04:02 s 1 -184718.90 9 +87042.091 5390.0 – C57
2021-05-25 01:14:02 S 14 34 42.742 -25 35 34.19 – V C57
2021-05-25 01:14:02 s 1 -184525.26 6 +86177.057 5730.0 – C57
2021-05-25 01:24:02 S 14 34 37.663 -25 35 21.41 – V C57
2021-05-25 01:24:02 s 1 -184328.71 0 +85310.662 8710.0 – C57
2021-05-25 01:44:02 S 14 34 28.265 -25 34 56.53 – V C57
2021-05-25 01:44:02 s 1 -183926.77 9 +83573.802 2400.0 – C57
2021-05-25 01:54:02 S 14 34 23.525 -25 34 43.03 – V C57
2021-05-25 01:54:02 s 1 -183721.36 4 +82703.343 3010.0 – C57