137126 (1999 CF9)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6008300378 ± 2.00e+00
Semi-major axis (a)1.7700615799 AU ± 3.00e+00
Inclination (i)5.54396360° ± 4.00e+00
Long. of Asc. Node (Ω)156.84544990° ± 5.00e+00
Arg. of Perihelion (ω)90.61272758° ± 6.00e+00
Mean Anomaly (M)88.13582052° ± 4.25e-07
Mean Motion (n)0.4185330061°/day ± 1.06e+00
Perihelion dist (q)0.70655541 AU ± 3.74e+00
Aphelion dist (Q)2.83356775 AU ± 5.97e+00
Orbital Period2.35495473 yr ± 5.99e+00
NGA Modelr2
A2-1.50216202e-06 AU/d²
Physical Parameters
H (abs. magnitude)18.08
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.304″
Uncertainty0
Orbit TypeApollo
MOID0.017566 AU
Observations Used1164
Oppositions15
Arc Total1999-2025
First Observation Used1999-01-15
Last Observation Used2025-12-24
Observations (1221)
Date Type RA Dec Mag Band Observatory
2025-02-20 07:42:29 C 11 58 07.583 -00 30 03.56 V 703
2025-02-20 07:45:45 C 11 58 08.152 -00 30 03.49 V 703
2025-02-20 08:51:01 C 11 58 19.477 -00 30 01.04 V G96
2025-02-20 08:58:28 C 11 58 20.766 -00 30 00.79 V G96
2025-02-20 09:05:57 C 11 58 22.069 -00 30 00.54 V G96
2025-02-20 09:13:24 C 11 58 23.354 -00 30 00.22 V G96
2025-02-20 11:46:32 C 11 58 52.320 -00 29 44.38 V T08
2025-02-20 11:51:09 C 11 58 53.124 -00 29 44.20 V T08
2025-02-20 12:22:02 C 11 58 58.512 -00 29 42.86 V T08
2025-02-20 13:02:51 C 11 59 05.662 -00 29 41.14 V T08
2025-02-20 20:41:32 C 12 00 34.99 -00 29 45.1 q 168
2025-02-20 21:13:37 C 12 00 41.01 -00 29 43.5 q 168
2025-02-20 21:55:35 C 12 00 48.92 -00 29 41.6 q 168
2025-02-20 22:27:39 C 12 00 54.98 -00 29 39.8 q 168
2025-02-20 22:56:33 C 12 01 00.46 -00 29 38.3 q 168
2025-02-20 23:22:37 C 12 01 05.40 -00 29 37.1 q 168
2025-02-21 00:09:57 C 12 01 15.626 -00 29 28.43 V L54
2025-02-21 01:00:02 C 12 01 25.092 -00 29 25.76 V L54
2025-02-21 01:50:06 C 12 01 34.594 -00 29 23.14 V L54
2025-02-21 02:20:15 B 12 01 44.23 -00 28 41.2 Z X33
2025-02-21 02:22:47 B 12 01 44.77 -00 28 41.6 Z X33
2025-02-21 02:25:20 B 12 01 45.29 -00 28 41.8 Z X33
2025-02-21 21:55:59 C 12 05 50.55 -00 28 06.6 Y 557
2025-02-21 22:56:21 C 12 06 03.41 -00 28 02.0 Y 557
2025-02-21 23:56:43 C 12 06 16.25 -00 27 57.4 Y 557
2025-02-22 00:55:33 C 12 06 28.79 -00 27 52.7 Y 557
2025-02-22 01:55:29 C 12 06 41.66 -00 27 47.9 Y 557
2025-02-22 02:55:51 C 12 06 54.69 -00 27 42.9 Y 557
2025-02-22 03:56:13 C 12 07 07.87 -00 27 37.8 Y 557
2025-02-22 20:35:35 C 12 11 07.27 -00 26 08.3 q 168
2025-02-22 21:06:02 C 12 11 16.133 -00 25 57.54 V L54
2025-02-22 21:18:08 C 12 11 17.44 -00 26 03.9 q 168
2025-02-22 21:55:03 C 12 11 26.31 -00 25 59.9 q 168
2025-02-22 22:15:43 C 12 11 33.06 -00 25 53.1 Y 557
2025-02-22 22:37:11 C 12 11 36.44 -00 25 55.2 q 168
2025-02-22 23:07:59 B 12 11 46.123 -00 25 48.76 W Z80
2025-02-22 23:13:05 B 12 11 47.378 -00 25 47.82 W Z80
2025-02-22 23:13:29 C 12 11 46.733 -00 25 44.08 V L54
2025-02-22 23:16:30 C 12 11 47.73 -00 25 46.6 Y 557
2025-02-22 23:16:45 B 12 11 46.74 -00 25 44.6 X L76
2025-02-22 23:18:08 B 12 11 48.617 -00 25 47.17 W Z80
2025-02-22 23:21:58 B 12 11 47.99 -00 25 44.1 X L76
2025-02-22 23:26:07 C 12 11 48.28 -00 25 50.1 q 168
2025-02-22 23:27:13 B 12 11 49.25 -00 25 43.4 X L76
2025-02-22 23:32:29 B 12 11 50.52 -00 25 43.0 X L76
2025-02-22 23:37:46 B 12 11 51.78 -00 25 42.4 X L76
2025-02-22 23:43:02 B 12 11 53.05 -00 25 41.8 X L76
2025-02-23 00:03:42 C 12 11 58.978 -00 24 26.78 V M22
2025-02-23 00:08:16 C 12 12 00.065 -00 24 26.24 V M22
2025-02-23 00:14:46 C 12 12 01.613 -00 24 25.52 V M22
Radar Observations (12)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2013-08-21 03:10:00 319773.944 1.5 Hz 8560 -14 -14
2013-08-21 04:00:00 66346826.79 10 us 8560 -14 -14
2013-08-21 04:30:00 66282046.75 2 us 8560 -14 -14
2013-08-22 03:40:00 63921527.254 4 us 8560 -14 -14
2013-08-22 04:20:00 139016.798 2 Hz 8560 -14 -14
2013-08-23 03:20:00 63238391.082 2 us 8560 -14 -14
2013-08-23 03:40:00 -33068.671 1.5 Hz 8560 -14 -14
2013-08-25 01:20:00 66987518.311 2 us 8560 -14 -14
2025-03-08 09:30:00 -51357.8 2 Hz 8560 -14 -14
2025-03-08 10:20:00 52842415 2 us 8560 -14 -14
2025-03-08 10:50:00 52855887 1 us 8560 -14 -14
2025-03-10 16:10:00 59591765 1 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)