388945 (2008 TZ3)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3916765282 ± 4.84e-09
Semi-major axis (a)1.5924880899 AU ± 1.14e-09
Inclination (i)8.68659676° ± 8.75e-07
Long. of Asc. Node (Ω)43.91266942° ± 9.07e-07
Arg. of Perihelion (ω)219.78765982° ± 2.11e-06
Mean Anomaly (M)257.93909135° ± 9.27e-07
Mean Motion (n)0.4904536678°/day ± 5.28e-10
Perihelion dist (q)0.96874788 AU ± 7.74e-09
Aphelion dist (Q)2.21622830 AU ± 7.87e-09
Orbital Period2.00962160 yr ± 2.16e-09
NGA Modelr2
A26.32926936e-14 ± 6.41e-15 AU/d²
Physical Parameters
H (abs. magnitude)20.45
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.320″
Uncertainty0
Orbit TypeApollo
MOID0.016589 AU
Observations Used2213
Radar Obs Used7
Oppositions8
Arc Total2008-2024
First Observation Used2008-10-06
Last Observation Used2024-10-08
Observations (2791)
Date Type RA Dec Mag Band Observatory
2020-04-14 04:44:17 s 1 -201563.89 6 +96370.813 390.0 C57
2020-04-14 05:14:17 S 13 41 07.238 +17 49 16.93 V C57
2020-04-14 05:14:17 s 1 -200968.23 3 +93935.320 7870.0 C57
2020-04-14 05:44:17 S 13 41 04.658 +17 49 11.93 V C57
2020-04-14 05:44:17 s 1 -200349.05 9 +91488.843 3840.0 C57
2020-04-14 06:14:17 S 13 41 02.028 +17 49 06.74 V C57
2020-04-14 06:14:17 s 1 -199705.93 8 +89031.436 7850.0 C57
2020-04-14 06:44:17 S 13 40 59.342 +17 49 01.74 V C57
2020-04-14 06:44:17 s 1 -199038.42 4 +86563.162 9460.0 C57
2020-04-14 07:14:17 S 13 40 56.940 +17 48 56.56 V C57
2020-04-14 07:14:17 s 1 -198346.05 5 +84084.084 8180.0 C57
2020-04-14 11:14:17 S 13 40 35.297 +17 48 13.10 V C57
2020-04-14 11:14:17 s 1 -191853.02 3 +63872.991 3590.0 C57
2020-04-14 11:14:40 C 13 38 57.73 +17 37 54.5 V T08
2020-04-14 11:24:15 C 13 38 57.27 +17 37 51.9 V T08
2020-04-14 11:42:10 C 13 38 56.38 +17 37 47.5 V T08
2020-04-14 11:44:17 S 13 40 32.304 +17 48 05.76 V C57
2020-04-14 11:44:17 s 1 -190914.13 1 +61300.948 2970.0 C57
2020-04-14 11:49:01 C 13 38 56.02 +17 37 45.6 V T08
2020-04-14 12:14:17 S 13 40 29.681 +17 47 57.37 V C57
2020-04-14 12:14:17 s 1 -189945.04 2 +58719.218 3970.0 C57
2020-04-14 12:44:17 S 13 40 26.993 +17 47 54.10 V C57
2020-04-14 12:44:17 s 1 -188945.13 3 +56127.970 5930.0 C57
2020-04-14 13:14:17 S 13 40 24.122 +17 47 46.54 V C57
2020-04-14 13:14:17 s 1 -187913.76 9 +53527.387 8200.0 C57
2020-04-14 13:44:17 S 13 40 21.194 +17 47 39.62 V C57
2020-04-14 13:44:17 s 1 -186850.29 1 +50917.668 70.0 C57
2020-04-14 14:14:17 S 13 40 18.245 +17 47 34.66 V C57
2020-04-14 14:14:17 s 1 -185754.02 6 +48299.024 850.0 C57
2020-04-14 17:14:17 S 13 40 00.610 +17 46 47.64 V C57
2020-04-14 17:14:17 s 1 -178447.56 0 +32413.889 9840.0 C57
2020-04-14 17:44:17 S 13 39 57.463 +17 46 39.07 V C57
2020-04-14 17:44:17 s 1 -177101.16 8 +29740.268 1090.0 C57
2020-04-14 18:14:17 S 13 39 54.418 +17 46 30.94 V C57
2020-04-14 18:14:17 s 1 -175715.83 7 +27060.121 4700.0 C57
2020-04-14 18:44:17 S 13 39 51.490 +17 46 23.34 V C57
2020-04-14 18:44:17 s 1 -174290.69 5 +24373.859 9720.0 C57
2020-04-14 19:14:17 S 13 39 48.305 +17 46 13.33 V C57
2020-04-14 19:14:17 s 1 -172824.84 4 +21681.919 5170.0 C57
2020-04-14 19:44:17 S 13 39 45.182 +17 46 04.76 V C57
2020-04-14 19:44:17 s 1 -171317.36 2 +18984.772 60.0 C57
2020-04-14 20:14:17 S 13 39 41.947 +17 45 54.68 V C57
2020-04-14 20:14:17 s 1 -169767.30 1 +16282.922 3350.0 C57
2020-04-14 20:44:17 S 13 39 38.815 +17 45 46.73 V C57
2020-04-14 20:44:17 s 1 -168173.68 6 +13576.913 3970.0 C57
2020-04-14 21:14:17 S 13 39 35.705 +17 45 37.44 V C57
2020-04-14 21:14:17 s 1 -166535.51 3 +10867.324 820.0 C57
2020-04-14 21:42:04 C 13 38 39.46 +17 34 46.4 q 557
2020-04-14 21:44:17 S 13 39 32.438 +17 45 28.04 V C57
2020-04-14 21:44:17 s 1 -164851.75 4 + 8154.778 2760.0 C57
Radar Observations (7)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2018-05-03 03:00:00 484985.031 0.25 Hz 8560 -14 -14
2018-05-03 03:30:00 36766333.83 20 us 8560 -14 -14
2020-04-28 02:41:00 66289905.62 0.5 us 2380 -1 -1
2024-05-20 23:10:00 115460.105 0.2 Hz 8560 -14 -14
2024-05-24 21:30:00 29048.116 0.4 Hz 8560 -14 -14
2024-05-24 23:20:00 74788003.816 10 us 8560 -14 -14
2024-05-28 00:30:00 -66898.512 0.4 Hz 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)