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
2009-09-15 19:55:19 C 03 00 34.76 +42 24 40.6 r C00
2009-09-16 00:21:55 C 02 59 44.24 +42 27 44.3 r 118
2009-09-16 00:31:39 C 02 59 42.33 +42 27 50.5 r 118
2009-09-16 00:41:23 C 02 59 40.42 +42 27 56.8 r 118
2009-09-16 00:54:20 C 02 59 37.87 +42 28 04.9 r 118
2009-09-16 01:07:19 C 02 59 35.31 +42 28 13.0 r 118
2009-09-16 01:15:25 C 02 59 33.71 +42 28 18.0 r 118
2009-09-17 18:29:40 C 02 52 21.19 +42 48 51.4 r C00
2009-09-17 18:48:44 C 02 52 18.01 +42 49 01.7 r C00
2009-09-17 21:20:02 C 02 51 52.86 +42 50 14.2 c 127
2009-09-17 21:25:37 C 02 51 51.89 +42 50 17.1 c 127
2009-09-17 21:32:30 C 02 51 50.75 +42 50 20.4 c 127
2009-09-17 21:38:50 C 02 51 49.63 +42 50 24.5 c 127
2009-09-18 01:12:40 C 02 51 10.88 +42 52 01.9 16.4 r 084
2009-09-18 01:15:35 C 02 51 10.38 +42 52 03.0 16.5 r 084
2009-09-18 20:10:31 C 02 48 07.14 +42 59 06.8 r C00
2009-09-18 20:16:40 C 02 48 06.13 +42 59 09.7 r C00
2009-09-20 18:26:34 C 02 40 57.50 +43 12 09.6 r C00
2009-09-20 18:45:06 C 02 40 54.78 +43 12 15.2 r C00
2009-09-20 18:58:54 C 02 40 52.73 +43 12 19.2 r C00
2009-09-20 20:05:46 C 02 40 42.96 +43 12 35.9 o B76
2009-09-20 20:17:12 C 02 40 41.33 +43 12 39.6 o B76
2009-09-20 20:28:39 C 02 40 39.56 +43 12 43.0 o B76
2009-09-21 23:10:35 C 02 36 46.08 +43 17 45.5 o B75
2009-09-21 23:12:36 C 02 36 45.82 +43 17 45.6 o B75
2009-09-21 23:13:44 C 02 36 45.65 +43 17 46.0 o B75
2009-09-21 23:16:03 C 02 36 45.27 +43 17 46.6 o B75
2009-09-21 23:17:37 C 02 36 44.97 +43 17 47.4 o B75
2009-09-21 23:25:50 C 02 36 45.20 +43 17 51.1 r J51
2009-09-21 23:43:44 C 02 36 42.55 +43 17 55.8 r J51
2009-09-21 23:59:39 C 02 36 40.20 +43 17 59.7 r J51
2009-09-22 21:11:37 C 02 33 42.07 +43 20 16.5 r 160
2009-09-22 21:13:41 C 02 33 41.77 +43 20 16.9 r 160
2009-09-22 21:15:46 C 02 33 41.48 +43 20 17.2 r 160
2009-09-22 22:05:46 C 02 33 34.06 +43 20 20.9 c 127
2009-09-22 22:18:14 C 02 33 32.29 +43 20 23.1 c 127
2009-09-22 22:24:49 C 02 33 31.32 +43 20 24.0 c 127
2009-09-22 22:30:17 C 02 33 30.52 +43 20 24.9 c 127
2009-09-22 23:33:30 C 02 33 21.46 +43 20 38.0 o B75
2009-09-23 22:28:37 C 02 30 16.04 +43 22 06.1 o A92
2009-09-23 22:35:37 C 02 30 15.00 +43 22 07.0 o A92
2009-09-23 22:49:17 C 02 30 13.01 +43 22 07.7 o A92
2009-09-23 23:00:35 C 02 30 11.40 +43 22 08.2 o A92
2009-09-23 23:05:32 C 02 30 10.74 +43 22 09.2 o A92
2009-09-23 23:17:02 C 02 30 09.88 +43 22 05.6 v B75
2009-09-23 23:21:23 C 02 30 09.08 +43 22 05.6 v B75
2009-09-24 01:14:28 C 02 29 52.87 +43 22 13.9 r 130
2009-09-24 01:15:55 C 02 29 52.67 +43 22 13.6 r 130
2009-09-24 01:18:05 C 02 29 52.35 +43 22 13.9 r 130
2009-09-24 01:20:15 C 02 29 52.02 +43 22 14.0 r 130
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)