413260 (2003 TL4)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3813757827 ± 2.00e+00
Semi-major axis (a)0.7767229255 AU ± 3.00e+00
Inclination (i)12.18834920° ± 4.00e+00
Long. of Asc. Node (Ω)219.99425820° ± 5.00e+00
Arg. of Perihelion (ω)321.96711649° ± 6.00e+00
Mean Anomaly (M)330.26918746° ± 2.45e-05
Mean Motion (n)1.4398362069°/day ± 8.34e+00
Perihelion dist (q)0.48049961 AU ± 2.42e+00
Aphelion dist (Q)1.07294624 AU ± 4.43e+00
Orbital Period0.68454056 yr ± 3.97e+00
NGA Modelr2
A2-1.30070416e-06 AU/d²
Physical Parameters
H (abs. magnitude)19.57
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-29
RMS Residual0.311″
Uncertainty0
Orbit TypeAten
MOID0.026008 AU
Observations Used421
Oppositions10
Arc Total2003-2025
First Observation Used2003-10-13
Last Observation Used2025-10-05
Observations (473)
Date Type RA Dec Mag Band Observatory
2005-08-29 20:27:03 C 17 47 08.397 +74 08 09.80 c 565
2005-08-29 21:39:56 C 17 47 34.41 +74 04 18.9 c A30
2005-08-29 21:41:02 C 17 47 34.81 +74 04 15.5 c A30
2005-08-29 21:45:20 C 17 47 36.38 +74 04 01.7 c A30
2005-08-29 21:46:48 C 17 47 36.90 +74 03 57.1 c A30
2005-08-29 21:48:17 C 17 47 37.47 +74 03 52.4 c A30
2005-09-05 20:06:11 C 18 31 18.78 +64 42 47.1 c A48
2005-09-05 20:11:21 C 18 31 19.63 +64 42 28.3 c A48
2005-09-05 20:16:32 C 18 31 20.43 +64 42 09.3 c A48
2005-09-05 20:23:47 C 18 31 21.57 +64 41 42.6 c A48
2005-09-06 03:20:08 C 18 32 35.56 +64 16 33.8 o H59
2005-09-06 03:26:21 C 18 32 36.50 +64 16 10.3 o H59
2005-09-06 03:32:32 C 18 32 37.43 +64 15 47.3 o H59
2005-09-06 03:38:43 C 18 32 38.51 +64 15 24.2 o H59
2005-09-09 20:45:44 C 18 46 27.38 +58 42 22.0 o 084
2005-09-09 20:47:51 C 18 46 27.58 +58 42 13.9 o 084
2005-09-13 20:08:23 C 18 58 09.34 +52 31 49.0 o 084
2005-09-13 20:10:30 C 18 58 09.51 +52 31 40.3 o 084
2005-09-24 17:54:27 C 19 22 36.90 +35 19 43.9 o 461
2005-09-24 17:57:07 C 19 22 37.09 +35 19 33.6 o 461
2005-09-24 17:59:46 C 19 22 37.27 +35 19 23.3 o 461
2005-09-24 18:03:17 C 19 22 37.52 +35 19 10.0 o 461
2005-09-24 18:25:56 C 19 22 39.62 +35 17 42.5 o 198
2005-09-24 18:26:21 C 19 22 39.65 +35 17 40.8 o 198
2005-09-24 18:29:51 C 19 22 39.89 +35 17 27.0 o 198
2005-09-24 18:30:18 C 19 22 39.92 +35 17 25.3 o 198
2005-09-24 18:31:11 C 19 22 39.98 +35 17 21.8 o 198
2005-09-24 19:18:27 C 19 22 43.23 +35 14 22.0 c A53
2005-09-24 19:28:28 C 19 22 43.95 +35 13 43.7 c A53
2005-09-25 01:18:54 C 19 23 12.45 +34 51 21.0 r 932
2005-09-25 01:29:23 C 19 23 13.20 +34 50 40.6 r 932
2005-09-25 01:45:48 C 19 23 14.33 +34 49 37.0 r 932
2005-10-10 18:15:10 C 19 52 22.60 +13 31 00.4 o 198
2005-10-10 18:24:18 C 19 52 23.22 +13 30 34.4 o 198
2005-10-10 18:25:11 C 19 52 23.31 +13 30 32.0 o 198
2005-10-10 18:28:14 C 19 52 23.48 +13 30 22.9 o 198
2005-10-15 19:10:23 C 20 01 26.73 +08 04 54.5 o 198
2005-10-15 19:14:27 C 20 01 26.99 +08 04 44.6 o 198
2005-10-15 19:25:04 C 20 01 27.74 +08 04 19.0 o 198
2005-10-27 01:55:19 C 20 21 27.69 -01 46 39.1 18.4 c 704
2005-10-27 02:29:13 C 20 21 29.89 -01 47 42.5 19.1 c 704
2005-10-27 02:46:30 C 20 21 31.02 -01 48 15.2 18.9 c 704
2005-10-27 03:03:30 C 20 21 32.16 -01 48 47.3 19.0 c 704
2007-09-14 02:31:46 C 16 43 41.14 +11 42 49.1 o H55
2007-09-14 02:37:06 C 16 43 42.36 +11 42 41.6 o H55
2007-09-14 02:42:26 C 16 43 43.64 +11 42 34.1 o H55
2009-09-26 03:41:15 C 16 47 23.32 -03 50 39.6 r G96
2009-09-26 03:43:44 C 16 47 23.81 -03 50 41.2 r G96
2009-09-26 03:49:26 C 16 47 25.07 -03 50 44.5 r G96
2014-10-13 11:34:59 C 08 34 20.72 +20 07 48.1 q 703
Radar Observations (10)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2003-10-25 13:40:00 360735.3 0.5 Hz 8560 -14 -14
2003-10-28 16:50:00 25880576.14 1 us 2380 -1 -1
2003-10-28 16:50:00 -1108.097 0.1 Hz 2380 -1 -1
2003-10-28 21:10:00 -34378.2 0.5 Hz 8560 -14 -14
2016-10-19 06:00:00 56233173.66 3 us 8560 -14 -14
2016-10-20 05:20:00 506444.991 0.25 Hz 8560 -14 -14
2016-10-21 05:40:00 46154575.41 0.5 us 8560 -14 -14
2016-10-23 13:00:00 407501.521 0.1 Hz 8560 -14 -14
2016-10-27 18:46:00 25771281.3 0.5 us 2380 -1 -1
2016-10-27 18:46:00 -3501.5152 0.05 Hz 2380 -1 -1
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)