451124 (2009 KC3)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6983714945 ± 5.28e-09
Semi-major axis (a)3.2097701784 AU ± 3.78e-08
Inclination (i)10.00822134° ± 1.55e-06
Long. of Asc. Node (Ω)340.11424507° ± 3.18e-06
Arg. of Perihelion (ω)337.25629695° ± 3.37e-06
Mean Anomaly (M)300.38725832° ± 1.89e-05
Mean Motion (n)0.1713962712°/day ± 3.03e-09
Perihelion dist (q)0.96815818 AU ± 2.04e-08
Aphelion dist (Q)5.45138217 AU ± 6.64e-08
Orbital Period5.75057016 yr ± 1.02e-07
Physical Parameters
H (abs. magnitude)18.08
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.299″
Uncertainty0
Orbit TypeApollo
MOID0.007242 AU
Observations Used426
Radar Obs Used19
Oppositions1
Arc Total2009-2026
First Observation Used2009-05-04
Last Observation Used2026-02-25
Observations (445)
Date Type RA Dec Mag Band Observatory
2009-10-14 01:45:07 C 01 43 20.97 +40 46 00.2 w 160
2009-10-14 01:49:25 C 01 43 20.66 +40 45 57.6 w 160
2009-10-14 19:14:24 C 01 42 13.63 +40 35 50.0 o B84
2009-10-14 19:17:17 C 01 42 13.46 +40 35 48.6 o B84
2009-10-14 19:21:37 C 01 42 13.15 +40 35 46.7 o B84
2009-10-14 20:28:07 C 01 42 08.63 +40 35 10.6 o B84
2009-10-14 20:32:28 C 01 42 08.34 +40 35 08.2 o B84
2009-10-14 20:38:16 C 01 42 07.96 +40 35 05.3 o B84
2009-10-14 23:05:59 C 01 41 57.52 +40 33 46.0 v B75
2009-10-14 23:07:52 C 01 41 57.42 +40 33 44.5 v B75
2009-10-14 23:09:48 C 01 41 57.33 +40 33 43.5 v B75
2009-10-14 23:12:33 C 01 41 57.04 +40 33 41.6 v B75
2009-10-14 23:13:56 C 01 41 56.95 +40 33 40.9 v B75
2009-10-15 14:50:48 C 01 40 57.02 +40 24 37.7 r 379
2009-10-15 14:53:28 C 01 40 56.83 +40 24 36.1 r 379
2009-10-15 15:00:10 C 01 40 56.35 +40 24 31.8 r 379
2009-10-15 15:12:09 C 01 40 55.52 +40 24 25.3 r 379
2009-10-15 15:14:49 C 01 40 55.32 +40 24 23.8 r 379
2009-10-15 15:17:28 C 01 40 55.15 +40 24 22.2 r 379
2009-10-15 15:24:09 C 01 40 54.62 +40 24 17.7 r 379
2009-10-15 15:26:49 C 01 40 54.46 +40 24 16.5 r 379
2009-10-15 15:36:10 C 01 40 53.80 +40 24 10.6 r 379
2009-10-17 02:31:31 C 01 38 45.41 +40 03 11.2 w 232
2009-10-17 03:06:18 C 01 38 43.17 +40 02 49.0 w 232
2009-10-17 03:41:04 C 01 38 41.03 +40 02 26.1 w 232
2009-10-17 06:42:14 C 01 38 31.82 +40 00 45.2 17.4 c 704
2009-10-17 07:01:24 C 01 38 30.55 +40 00 33.9 17.6 c 704
2009-10-17 07:20:36 C 01 38 29.28 +40 00 21.7 17.6 c 704
2009-10-17 07:39:50 C 01 38 28.03 +40 00 10.1 17.7 c 704
2009-10-17 07:59:03 C 01 38 26.75 +39 59 58.1 17.5 c 704
2009-10-18 04:01:11 C 01 37 19.27 +39 47 38.8 u H45
2009-10-18 04:03:31 C 01 37 19.14 +39 47 37.6 u H45
2009-10-18 04:05:43 C 01 37 19.00 +39 47 36.1 u H45
2009-10-18 04:07:22 C 01 37 18.88 +39 47 35.2 u H45
2009-10-18 04:09:44 C 01 37 18.76 +39 47 33.5 u H45
2009-10-18 04:11:41 C 01 37 18.63 +39 47 32.3 u H45
2009-10-18 13:40:34 C 01 36 46.61 +39 41 41.0 r 379
2009-10-18 13:43:16 C 01 36 46.43 +39 41 39.0 r 379
2009-10-18 14:18:08 C 01 36 44.26 +39 41 18.0 r 379
2009-10-18 14:20:48 C 01 36 44.12 +39 41 16.5 r 379
2009-10-18 14:30:09 C 01 36 43.49 +39 41 10.3 r 379
2009-10-18 14:32:49 C 01 36 43.34 +39 41 08.7 r 379
2009-10-18 14:44:47 C 01 36 42.64 +39 41 01.6 r 379
2009-10-18 14:47:29 C 01 36 42.45 +39 40 59.7 r 379
2009-10-18 14:56:49 C 01 36 41.88 +39 40 54.0 r 379
2009-10-18 22:24:48 C 01 36 17.88 +39 36 10.3 o B75
2009-10-19 13:33:08 C 01 35 29.68 +39 26 45.2 r 379
2009-10-19 13:35:48 C 01 35 29.51 +39 26 43.5 r 379
2009-10-19 13:45:09 C 01 35 28.95 +39 26 37.7 r 379
2009-10-19 13:47:49 C 01 35 28.77 +39 26 36.1 r 379
Radar Observations (24)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2009-08-22 17:40:00 166378.75 1 Hz 8560 -14 -14
2009-08-22 18:50:00 50194420.27 10 us 8560 -14 -14
2009-08-22 19:50:00 50130850.38 4 us 8560 -14 -14
2009-08-22 20:50:50 50069982.15 3 us 8560 -14 -14
2009-08-22 20:50:50 138811.733 2.2 Hz 8560 -14 -14
2009-08-22.736111 16637875 100 Hz 8560 253 253
2009-08-22.784722 5019442027 10000 us 8560 253 253
2009-08-22.826389 5013085038 4000 us 8560 253 253
2009-08-23 13:50:00 49188655.76 4 us 8560 -14 -14
2009-08-23 14:20:49 49165728.7 3 us 8560 -14 -14
2009-08-23 14:20:49 104100.066 2.2 Hz 8560 -14 -14
2009-08-23.576389 4918865576 4000 us 8560 253 253
2009-08-25 12:40:00 49198900.4 4 us 8560 -14 -14
2009-08-25 14:20:49 49255455.78 3 us 8560 -14 -14
2009-08-25 14:20:49 -87049.065 2.2 Hz 8560 -14 -14
2009-08-25.527778 4919890040 4000 us 8560 253 253
2009-08-26 12:41:00 50556530.23 3 us 2380 -1 -1
2009-08-26 12:41:00 -50087.459 0.6 Hz 2380 -1 -1
2009-08-27 12:23:00 52743040.65 3 us 2380 -1 -1
2009-08-27 12:23:00 -71805.554 0.6 Hz 2380 -1 -1
2009-08-28 12:06:00 55649852.25 3 us 2380 -1 -1
2009-08-28 12:06:00 -90448.274 0.6 Hz 2380 -1 -1
2009-08-29 11:42:00 59144816.97 3 us 2380 -1 -1
2009-08-29 11:42:00 -105658.547 0.6 Hz 2380 -1 -1
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)