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
2018-09-05 08:08:13 C 18 06 16.86 +62 30 59.4 U T08
2018-09-05 08:25:48 C 18 06 20.58 +62 29 55.5 U T08
2018-09-05 08:29:11 C 18 06 21.31 +62 29 43.9 U T08
2018-09-05 08:35:53 C 18 06 22.82 +62 29 18.9 U T08
2018-09-05 08:54:05 C 18 06 26.73 +62 28 12.2 U T08
2018-09-06 06:10:35 C 18 11 17.79 +61 12 28.3 V 703
2018-09-06 06:19:24 C 18 11 19.56 +61 11 56.5 V 703
2018-09-06 06:28:14 C 18 11 21.51 +61 11 23.6 V 703
2018-09-06 06:37:03 C 18 11 23.23 +61 10 51.4 V 703
2018-09-07 05:14:34 C 18 16 13.46 +59 49 24.4 U I41
2018-09-07 05:53:12 C 18 16 20.70 +59 47 00.4 U I41
2018-09-07 06:13:14 C 18 16 24.48 +59 45 45.5 U I41
2018-09-07 06:46:52 C 18 16 30.89 +59 43 39.2 U I41
2018-09-07 08:06:00 C 18 16 47.82 +59 39 08.7 U T05
2018-09-07 08:09:59 C 18 16 48.53 +59 38 53.8 U T05
2018-09-07 08:30:11 C 18 16 52.24 +59 37 38.6 U T05
2018-09-07 08:38:56 C 18 16 53.90 +59 37 05.2 U T05
2018-09-08 05:56:32 C 18 21 05.91 +58 18 55.0 V 703
2018-09-08 06:04:14 C 18 21 07.24 +58 18 25.8 V 703
2018-09-08 06:19:37 C 18 21 10.00 +58 17 27.6 V 703
2018-09-11 05:59:21 C 18 33 40.30 +53 48 57.4 V 703
2018-09-11 06:07:09 C 18 33 41.42 +53 48 26.3 V 703
2018-09-11 06:14:58 C 18 33 42.57 +53 47 55.9 V 703
2018-09-11 06:22:46 C 18 33 43.74 +53 47 25.0 V 703
2018-09-11 08:07:54 C 18 34 01.22 +53 41 01.4 U T05
2018-09-11 08:26:07 C 18 34 03.82 +53 39 50.5 U T05
2018-09-11 08:50:58 C 18 34 07.37 +53 38 12.9 U T05
2018-09-12 04:14:27 C 18 37 10.37 +52 24 15.4 U I41
2018-09-12 05:24:00 C 18 37 19.76 +52 19 45.1 U I41
2018-09-12 05:47:56 C 18 37 23.04 +52 18 11.5 U I41
2018-09-12 06:14:43 C 18 37 26.75 +52 16 26.3 U I41
2018-09-13 03:21:46 C 18 40 37.21 +50 55 37.5 U I41
2018-09-13 03:39:23 C 18 40 39.44 +50 54 29.3 U I41
2018-09-13 04:13:22 C 18 40 43.76 +50 52 17.6 U I41
2018-09-13 04:51:15 C 18 40 48.60 +50 49 49.9 U I41
2018-09-14 05:28:10 C 18 44 16.05 +49 14 57.2 V 703
2018-09-14 05:35:56 C 18 44 17.06 +49 14 26.2 V 703
2018-09-14 05:43:42 C 18 44 17.93 +49 13 57.0 V 703
2018-09-14 05:51:28 C 18 44 18.99 +49 13 25.2 V 703
2018-09-15 08:07:14 C 18 47 51.36 +47 32 07.9 U T05
2018-09-15 08:20:28 C 18 47 52.94 +47 31 15.4 U T05
2018-09-15 08:21:46 C 18 47 53.05 +47 31 10.6 U T05
2018-09-15 08:31:31 C 18 47 54.24 +47 30 31.9 U T05
2018-09-17 04:09:02 C 18 53 27.45 +44 41 41.4 V G96
2018-09-17 04:16:39 C 18 53 28.21 +44 41 11.8 V G96
2018-09-17 04:24:15 C 18 53 29.09 +44 40 42.0 V G96
2018-09-17 04:31:50 C 18 53 29.91 +44 40 12.0 V G96
2018-09-17 07:57:31 C 18 53 54.41 +44 27 03.6 U T08
2018-09-17 08:06:24 C 18 53 55.33 +44 26 29.5 U T08
2018-09-17 08:08:23 C 18 53 55.59 +44 26 21.8 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)