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
2018-10-22 05:26:44 C 20 10 10.958 +01 45 08.90 U F52
2018-10-22 05:27:44 C 20 10 11.033 +01 45 06.90 U F52
2018-10-22 05:47:04 C 20 10 12.410 +01 44 28.03 U F52
2018-10-22 05:48:05 C 20 10 12.480 +01 44 26.11 U F52
2018-11-03 05:38:13 C 20 32 46.269 -06 33 43.42 U F52
2018-11-03 05:55:32 C 20 32 47.475 -06 34 08.84 U F52
2018-11-03 06:13:00 C 20 32 48.678 -06 34 34.79 U F52
2018-11-03 06:30:18 C 20 32 49.890 -06 35 00.37 U F52
2020-11-19 01:58:39 C 20 55 32.89 -10 30 12.4 V G96
2020-11-19 02:07:00 C 20 55 33.88 -10 30 15.0 V G96
2020-11-19 02:15:20 C 20 55 34.83 -10 30 16.6 V G96
2020-11-19 02:23:41 C 20 55 35.80 -10 30 19.2 V G96
2020-12-03 05:27:02 C 21 34 29.547 -11 45 03.06 U F51
2020-12-03 05:45:29 C 21 34 31.538 -11 45 06.03 U F51
2020-12-03 06:04:09 C 21 34 33.558 -11 45 09.25 U F51
2022-12-25 01:42:13 C 22 18 41.058 -09 00 44.32 V V00
2022-12-25 01:49:30 C 22 18 41.965 -09 00 42.70 V V00
2022-12-25 01:56:39 C 22 18 42.815 -09 00 41.33 V V00
2022-12-25 02:03:48 C 22 18 43.686 -09 00 39.67 V V00
2025-10-05 12:01:20 C 08 40 31.566 +15 53 54.46 V G96
2025-10-05 12:06:03 C 08 40 32.610 +15 53 45.89 V G96
2025-10-05 12:10:47 C 08 40 33.744 +15 53 37.79 V G96
2025-10-05 12:15:30 C 08 40 34.795 +15 53 30.34 V G96
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)