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
2009-09-24 02:33:37 C 02 29 41.02 +43 22 03.2 17.0 r 084
2009-09-24 02:36:29 C 02 29 40.61 +43 22 03.5 17.2 r 084
2009-09-24 18:20:12 C 02 27 41.01 +43 22 05.2 r C00
2009-09-24 18:24:25 C 02 27 40.43 +43 22 05.7 r C00
2009-09-24 18:35:54 C 02 27 38.96 +43 22 06.8 r C00
2009-09-25 21:17:50 C 02 24 15.61 +43 21 26.6 16.8 r 084
2009-09-25 21:51:33 C 02 24 11.97 +43 21 30.4 r 118
2009-09-25 22:12:48 C 02 24 09.16 +43 21 30.3 r 118
2009-09-25 22:34:03 C 02 24 06.34 +43 21 30.2 r 118
2009-09-25 22:59:33 C 02 24 02.96 +43 21 29.8 r 118
2009-09-26 19:02:36 C 02 21 37.33 +43 19 41.5 r 118
2009-09-26 19:08:59 C 02 21 36.55 +43 19 41.4 r 118
2009-09-26 19:19:36 C 02 21 35.25 +43 19 41.2 r 118
2009-09-26 19:28:06 C 02 21 34.21 +43 19 41.1 r 118
2009-09-26 23:49:09 C 02 21 01.90 +43 19 31.5 w B19
2009-09-26 23:57:42 C 02 21 00.80 +43 19 31.3 w B19
2009-09-27 00:06:13 C 02 20 59.65 +43 19 30.8 w B19
2009-09-27 06:44:18 C 02 20 12.14 +43 18 51.3 r H45
2009-09-27 06:46:14 C 02 20 11.89 +43 18 51.1 r H45
2009-09-27 06:49:23 C 02 20 11.48 +43 18 50.8 r H45
2009-09-27 06:51:25 C 02 20 11.21 +43 18 50.7 r H45
2009-09-27 06:53:09 C 02 20 11.00 +43 18 50.3 r H45
2009-09-27 06:55:35 C 02 20 10.68 +43 18 50.2 r H45
2009-09-27 12:21:53 C 02 19 33.88 +43 17 59.1 r 379
2009-09-27 12:25:23 C 02 19 33.47 +43 17 59.2 r 379
2009-09-27 13:34:51 C 02 19 24.80 +43 17 55.6 r 379
2009-09-27 13:41:51 C 02 19 23.93 +43 17 55.4 r 379
2009-09-27 13:51:55 C 02 19 22.65 +43 17 55.0 r 379
2009-09-27 13:55:24 C 02 19 22.20 +43 17 54.7 r 379
2009-09-27 19:33:08 C 02 18 43.02 +43 16 47.9 c 127
2009-09-27 19:46:13 C 02 18 41.49 +43 16 47.3 c 127
2009-09-27 19:55:12 C 02 18 40.46 +43 16 46.6 c 127
2009-09-27 20:04:50 C 02 18 39.25 +43 16 48.5 r 557
2009-09-27 20:09:49 C 02 18 38.72 +43 16 45.7 c 127
2009-09-27 21:01:29 C 02 18 32.43 +43 16 44.4 r 557
2009-09-27 21:05:32 C 02 18 31.94 +43 16 43.3 r 113
2009-09-27 21:08:08 C 02 18 31.63 +43 16 43.1 r 113
2009-09-27 21:10:47 C 02 18 31.31 +43 16 42.8 r 113
2009-09-27 21:13:24 C 02 18 30.99 +43 16 42.6 r 113
2009-09-27 21:15:59 C 02 18 30.67 +43 16 42.4 r 113
2009-09-27 22:06:15 C 02 18 24.50 +43 16 38.8 r 557
2009-09-27 23:03:41 C 02 18 17.38 +43 16 32.9 r 557
2009-09-28 00:00:21 C 02 18 10.29 +43 16 26.1 r 557
2009-09-28 01:05:07 C 02 18 02.18 +43 16 17.0 r 557
2009-09-28 02:01:45 C 02 17 55.11 +43 16 07.8 r 557
2009-09-28 03:06:31 C 02 17 47.10 +43 15 56.1 r 557
2009-09-28 18:24:21 C 02 16 05.77 +43 13 09.2 o 151
2009-09-28 18:27:12 C 02 16 05.45 +43 13 09.1 o 151
2009-09-28 18:30:03 C 02 16 05.13 +43 13 08.8 o 151
2009-09-29 02:48:42 C 02 15 05.76 +43 11 58.0 w 160
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)