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
2003-10-18 18:24:52 C 06 15 36.09 +72 24 31.8 300
2003-10-18 18:26:51 C 06 15 37.34 +72 24 40.8 300
2003-10-18 18:28:42 C 06 15 38.62 +72 24 46.5 300
2003-10-18 18:30:14 C 06 15 47.01 +72 22 04.6 r 557
2003-10-18 18:30:34 C 06 15 40.18 +72 24 54.2 300
2003-10-18 18:32:25 C 06 15 41.55 +72 25 01.0 300
2003-10-18 18:34:16 C 06 15 42.84 +72 25 07.7 300
2003-10-18 18:36:06 C 06 15 44.51 +72 25 15.9 300
2003-10-18 19:00:48 C 06 16 14.90 +72 24 07.3 r 557
2003-10-18 19:36:45 C 06 16 47.53 +72 26 33.3 r 557
2003-10-18 19:53:13 C 06 17 02.45 +72 27 40.4 r 557
2003-10-18 20:22:58 C 06 17 29.35 +72 29 42.5 r 557
2003-10-18 20:24:32 C 06 17 30.89 +72 29 51.8 c 166
2003-10-18 20:26:15 C 06 17 32.46 +72 29 58.1 c 166
2003-10-18 20:28:00 C 06 17 33.94 +72 30 05.9 c 166
2003-10-18 20:29:42 C 06 17 35.51 +72 30 12.6 c 166
2003-10-18 20:31:24 C 06 17 37.07 +72 30 20.0 c 166
2003-10-18 20:34:59 C 06 17 40.18 +72 30 34.3 c 166
2003-10-18 20:36:44 C 06 17 41.62 +72 30 40.6 c 166
2003-10-18 20:47:06 C 06 17 50.89 +72 31 24.1 c 166
2003-10-18 20:48:55 C 06 17 52.59 +72 31 31.3 c 166
2003-10-18 20:50:23 C 06 17 54.01 +72 31 38.3 c 166
2003-10-18 21:02:27 C 06 18 04.81 +72 32 25.4 r 557
2003-10-18 21:14:28 C 06 18 15.57 +72 33 15.0 r 557
2003-10-18 21:46:01 C 06 18 43.75 +72 35 26.4 r 557
2003-10-18 22:30:41 C 06 19 23.26 +72 38 31.7 r 557
2003-10-18 23:15:36 C 06 20 02.74 +72 41 38.1 r 557
2003-10-18 23:49:07 C 06 20 31.96 +72 43 56.1 r 557
2003-10-19 00:31:22 C 06 21 08.71 +72 46 49.6 r 557
2003-10-19 00:47:45 C 06 21 22.93 +72 47 55.7 r 557
2003-10-19 11:06:27 C 06 31 40.14 +73 28 43.8 c 670
2003-10-19 12:38:51 C 06 33 10.15 +73 34 56.3 c 670
2003-10-19 17:11:09 C 06 38 39.50 +73 52 25.7 300
2003-10-19 17:14:10 C 06 38 42.93 +73 52 38.5 300
2003-10-19 17:17:01 C 06 38 45.97 +73 52 51.2 300
2003-10-19 17:19:52 C 06 38 48.97 +73 53 03.6 300
2003-10-19 17:22:43 C 06 38 52.23 +73 53 15.5 300
2003-10-19 17:26:33 C 06 38 48.57 +73 50 28.6 d 557
2003-10-19 17:57:02 C 06 39 27.49 +73 52 34.7 d 557
2003-10-19 18:26:39 C 06 40 05.41 +73 54 38.7 d 557
2003-10-19 20:37:15 C 06 42 52.92 +74 03 59.5 d 557
2003-10-19 20:54:51 C 06 43 15.42 +74 05 15.8 d 557
2003-10-19 21:13:31 C 06 43 39.25 +74 06 37.3 d 557
2003-10-19 21:47:30 C 06 44 22.61 +74 09 05.8 d 557
2003-10-19 22:01:24 C 06 44 40.34 +74 10 06.8 d 557
2003-10-21 05:42:50 C 07 37 31.30 +76 12 30.6 o 649
2003-10-21 05:44:38 C 07 37 35.14 +76 12 38.0 o 649
2003-10-21 05:46:26 C 07 37 39.02 +76 12 45.4 o 649
2003-10-21 05:48:14 C 07 37 42.93 +76 12 52.6 o 649
2003-10-22 18:04:45 C 09 21 13.16 +77 32 24.7 m 379
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)