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
2009-09-04 01:43:48 C 04 18 42.94 +34 36 57.5 r J51
2009-09-04 01:50:51 C 04 18 39.88 +34 37 24.2 r J51
2009-09-04 01:57:52 C 04 18 36.82 +34 37 50.9 r J51
2009-09-05 03:58:39 C 04 08 01.19 +36 03 08.4 w J05
2009-09-05 04:03:59 C 04 07 59.01 +36 03 24.7 w J05
2009-09-05 04:09:14 C 04 07 56.85 +36 03 40.7 w J05
2009-09-05 04:14:29 C 04 07 54.72 +36 03 56.8 w J05
2009-09-06 02:26:29 C 03 59 42.18 +37 05 33.2 r 118
2009-09-06 02:31:24 C 03 59 40.33 +37 05 46.1 r 118
2009-09-06 02:34:41 C 03 59 39.13 +37 05 54.8 r 118
2009-09-06 02:54:19 C 03 59 31.68 +37 06 46.6 r 118
2009-09-06 02:57:36 C 03 59 30.49 +37 06 55.0 r 118
2009-09-06 03:02:31 C 03 59 28.62 +37 07 07.8 r 118
2009-09-09 10:54:19 C 03 34 38.93 +39 49 03.5 v H47
2009-09-09 10:57:26 C 03 34 37.95 +39 49 08.4 v H47
2009-09-09 11:00:05 C 03 34 37.22 +39 49 12.5 v H47
2009-09-09 21:49:30 C 03 31 47.03 +40 04 47.9 16.6 r 084
2009-09-09 21:52:16 C 03 31 46.27 +40 04 52.7 16.8 r 084
2009-09-09 23:08:19 C 03 31 27.50 +40 06 56.7 w 160
2009-09-09 23:11:00 C 03 31 26.79 +40 07 01.1 w 160
2009-09-09 23:13:28 C 03 31 26.11 +40 07 04.9 w 160
2009-09-09 23:16:30 C 03 31 25.29 +40 07 09.9 w 160
2009-09-09 23:19:31 C 03 31 24.47 +40 07 14.7 w 160
2009-09-10 23:11:43 C 03 25 19.27 +40 39 26.5 16.2 r 084
2009-09-10 23:14:39 C 03 25 18.52 +40 39 30.6 16.3 r 084
2009-09-11 00:56:08 C 03 24 54.51 +40 41 43.9 r J95
2009-09-11 02:37:26 C 03 24 28.46 +40 43 57.0 r J95
2009-09-11 03:34:28 C 03 24 13.74 +40 45 09.0 r J95
2009-09-11 04:36:23 C 03 24 02.61 +40 46 07.7 o H26
2009-09-11 04:37:01 C 03 24 02.43 +40 46 08.8 o H26
2009-09-11 04:37:39 C 03 24 02.27 +40 46 09.4 o H26
2009-09-11 04:38:17 C 03 24 02.13 +40 46 10.5 o H26
2009-09-11 04:38:57 C 03 24 01.97 +40 46 11.2 o H26
2009-09-11 04:39:36 C 03 24 01.81 +40 46 12.3 o H26
2009-09-11 04:40:14 C 03 24 01.64 +40 46 13.0 o H26
2009-09-11 04:40:52 C 03 24 01.52 +40 46 13.9 o H26
2009-09-11 04:41:30 C 03 24 01.35 +40 46 15.1 o H26
2009-09-11 04:42:09 C 03 24 01.22 +40 46 15.7 o H26
2009-09-11 23:50:24 C 03 19 29.82 +41 08 15.6 o J16
2009-09-11 23:52:36 C 03 19 29.36 +41 08 18.6 o J16
2009-09-11 23:57:44 C 03 19 28.13 +41 08 24.1 o J16
2009-09-12 00:02:57 C 03 19 26.92 +41 08 31.1 o J16
2009-09-12 00:19:15 C 03 19 23.03 +41 08 49.9 o J16
2009-09-12 00:24:22 C 03 19 21.83 +41 08 56.3 o J16
2009-09-12 00:29:37 C 03 19 20.57 +41 09 02.2 o J16
2009-09-12 00:42:13 C 03 19 15.73 +41 09 20.3 16.3 o 084
2009-09-12 00:43:10 C 03 19 15.49 +41 09 21.6 16.5 r 084
2009-09-12 00:45:00 C 03 19 15.06 +41 09 23.6 16.5 r 084
2009-09-15 19:32:32 C 03 00 39.00 +42 24 24.4 r C00
2009-09-15 19:44:45 C 03 00 36.73 +42 24 33.1 r C00
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)