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
2016-10-16 14:09:39 C 04 37 34.429 +74 30 28.02 L F51
2016-10-17 00:26:31 C 04 38 37.21 +75 17 12.9 q Z80
2016-10-17 00:28:23 C 04 38 37.15 +75 17 22.7 q Z80
2016-10-17 00:30:16 C 04 38 37.11 +75 17 32.3 q Z80
2016-10-17 00:32:09 C 04 38 37.15 +75 17 41.1 q Z80
2016-10-17 00:34:01 C 04 38 37.14 +75 17 50.7 q Z80
2016-10-17 00:35:53 C 04 38 37.20 +75 18 00.3 q Z80
2016-10-17 00:37:46 C 04 38 37.21 +75 18 09.8 q Z80
2016-10-17 00:39:38 C 04 38 37.15 +75 18 18.8 q Z80
2016-10-17 00:41:30 C 04 38 37.18 +75 18 28.3 q Z80
2016-10-18 10:10:19 C 04 41 46.03 +78 19 56.9 o 926
2016-10-18 10:15:18 C 04 41 45.81 +78 20 27.2 o 926
2016-10-18 10:21:28 C 04 41 45.50 +78 21 04.3 o 926
2016-10-19 02:30:38 C 04 45 07.52 +80 02 27.5 q W19
2016-10-19 02:37:09 C 04 45 08.85 +80 03 15.0 q W19
2016-10-19 02:43:32 C 04 45 10.27 +80 04 01.5 q W19
2016-10-19 02:49:53 C 04 45 11.57 +80 04 47.9 q W19
2016-10-19 02:56:22 C 04 45 12.71 +80 05 35.3 q W19
2016-10-19 06:47:37 C 04 46 00.65 +80 33 29.6 o 926
2016-10-19 06:51:25 C 04 46 00.98 +80 33 58.1 o 926
2016-10-20 10:50:05 C 04 56 15.11 +84 14 27.6 o 926
2016-10-20 10:53:14 C 04 56 15.98 +84 14 54.9 o 926
2016-10-20 10:57:38 C 04 56 17.17 +84 15 32.8 o 926
2016-10-22 19:19:11 C 15 55 16.07 +84 58 59.5 q B69
2016-10-22 19:22:58 C 15 55 22.29 +84 57 59.7 q B69
2016-10-22 19:45:25 C 15 55 58.60 +84 52 22.0 q B69
2016-10-22 19:53:11 C 15 56 11.48 +84 50 24.4 q B69
2016-10-22 19:54:52 C 15 56 13.98 +84 49 58.5 q B69
2016-10-24 03:58:18 S 16 18 22.445 +75 42 31.36 L C51
2016-10-28 02:09:46 C 16 27 27.73 +31 19 23.8 o 291
2016-10-28 02:11:15 C 16 27 27.73 +31 18 34.3 o 291
2016-10-28 02:12:46 C 16 27 27.75 +31 17 42.9 o 291
2018-09-03 21:22:27 S 17 57 38.41 +64 31 15.7 L C51
2018-09-04 00:30:46 S 17 58 28.26 +64 20 30.7 L C51
2018-09-04 00:30:57 S 17 58 28.27 +64 20 29.7 L C51
2018-09-04 03:38:32 S 17 59 17.30 +64 09 47.8 L C51
2018-09-04 06:47:35 S 18 00 06.28 +63 58 54.8 L C51
2018-09-04 06:47:46 S 18 00 06.40 +63 58 54.0 L C51
2018-09-04 09:56:05 S 18 00 54.59 +63 48 03.9 L C51
2018-09-04 13:03:51 S 18 01 42.06 +63 37 15.9 L C51
2018-09-04 16:12:54 S 18 02 29.47 +63 26 17.9 L C51
2018-09-04 19:21:13 S 18 03 16.16 +63 15 22.5 L C51
2018-09-04 19:21:24 S 18 03 16.09 +63 15 21.1 L C51
2018-09-04 22:29:43 S 18 04 02.39 +63 04 24.0 L C51
2018-09-05 01:38:02 S 18 04 48.08 +62 53 25.4 L C51
2018-09-05 01:38:13 S 18 04 48.22 +62 53 24.1 L C51
2018-09-05 04:45:48 S 18 05 33.15 +62 42 28.3 L C51
2018-09-05 07:39:16 C 18 06 10.63 +62 32 45.1 U T08
2018-09-05 08:02:49 C 18 06 15.67 +62 31 20.0 U T08
2018-09-05 08:04:49 C 18 06 16.16 +62 31 11.9 U T08
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)