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
2018-09-17 08:25:00 C 18 53 57.37 +44 25 16.1 U T08
2018-09-18 05:39:52 C 18 56 30.27 +43 03 01.5 V G96
2018-09-18 05:49:11 C 18 56 31.28 +43 02 24.8 V G96
2018-09-18 05:58:31 C 18 56 32.29 +43 01 47.9 V G96
2018-09-18 06:07:51 C 18 56 33.36 +43 01 12.1 V G96
2018-09-20 20:12:44 C 19 03 36.63 +39 02 59.4 q 160
2018-09-20 20:16:46 C 19 03 37.04 +39 02 44.1 q 160
2018-09-20 20:20:48 C 19 03 37.45 +39 02 28.6 q 160
2018-09-21 19:44:06 C 19 06 08.72 +37 33 42.1 q 160
2018-09-21 19:47:57 C 19 06 09.09 +37 33 27.4 q 160
2018-09-21 19:51:59 C 19 06 09.45 +37 33 11.5 q 160
2018-09-24 07:48:43 C 19 12 18.91 +33 49 12.4 U T08
2018-09-24 08:00:41 C 19 12 19.99 +33 48 27.9 U T08
2018-09-24 08:12:55 C 19 12 21.05 +33 47 41.3 U T08
2018-09-24 08:24:52 C 19 12 22.07 +33 46 56.3 U T08
2018-09-26 19:52:53 C 19 18 11.73 +30 10 17.6 q 160
2018-09-26 19:56:19 C 19 18 12.03 +30 10 05.2 q 160
2018-09-26 19:59:43 C 19 18 12.34 +30 09 52.4 q 160
2018-09-27 19:47:51 C 19 20 27.53 +28 45 13.5 q 160
2018-09-27 19:54:16 C 19 20 28.03 +28 44 50.7 q 160
2018-09-27 19:57:38 C 19 20 28.32 +28 44 39.2 q 160
2018-09-28 07:14:57 C 19 21 31.15 +28 05 14.6 U T08
2018-09-28 07:24:11 C 19 21 31.94 +28 04 40.9 U T08
2018-09-28 07:27:05 C 19 21 32.12 +28 04 29.9 U T08
2018-09-28 07:43:07 C 19 21 33.45 +28 03 33.7 U T08
2018-09-28 07:58:51 C 19 21 34.77 +28 02 38.7 U T08
2018-09-28 20:29:04 C 19 22 44.95 +27 18 43.0 q 160
2018-09-28 20:33:05 C 19 22 45.28 +27 18 29.3 q 160
2018-09-28 20:37:03 C 19 22 45.64 +27 18 15.3 q 160
2018-09-29 19:43:28 C 19 24 53.23 +25 58 36.8 q 160
2018-09-29 19:47:13 C 19 24 53.56 +25 58 23.8 q 160
2018-09-29 19:50:45 C 19 24 53.88 +25 58 11.5 q 160
2018-09-30 01:22:48 S 19 25 24.506 +25 39 30.85 L C51
2018-09-30 13:56:26 S 19 26 32.798 +24 56 55.64 L C51
2018-09-30 15:30:41 S 19 26 41.237 +24 51 36.58 L C51
2018-09-30 18:39:00 S 19 26 58.234 +24 41 02.76 L C51
2018-09-30 21:47:30 S 19 27 15.187 +24 30 28.91 L C51
2018-09-30 23:21:34 S 19 27 23.638 +24 25 13.80 L C51
2018-10-01 05:38:34 S 19 27 57.370 +24 04 11.32 L C51
2018-10-01 16:37:57 S 19 28 56.220 +23 27 42.26 L C51
2018-10-04 19:54:34 C 19 35 31.97 +19 25 45.6 q 160
2018-10-04 19:58:23 C 19 35 32.11 +19 25 32.9 q 160
2018-10-04 20:02:14 C 19 35 32.51 +19 25 21.4 q 160
2018-10-09 19:33:05 C 19 45 43.34 +13 33 33.6 q 160
2018-10-09 19:36:04 C 19 45 43.56 +13 33 25.6 q 160
2018-10-09 19:39:10 C 19 45 43.80 +13 33 16.7 q 160
2018-10-13 18:50:54 C 19 53 40.14 +09 21 37.7 q 160
2018-10-13 18:54:27 C 19 53 40.38 +09 21 28.4 q 160
2018-10-22 05:06:22 C 20 10 09.506 +01 45 49.91 U F52
2018-10-22 05:07:22 C 20 10 09.575 +01 45 47.91 U F52
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)