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
2020-04-10 03:14:18 s 1 -108012.79 1 +377305.91 8480.0 C57
2020-04-10 03:44:18 S 13 45 27.499 +17 48 07.85 V C57
2020-04-10 03:44:18 s 1 -109003.01 5 +376727.20 7710.0 C57
2020-04-10 04:14:17 S 13 45 26.794 +17 48 10.94 V C57
2020-04-10 04:14:17 s 1 -109990.81 3 +376140.42 6020.0 C57
2020-04-10 04:44:18 S 13 45 26.316 +17 48 13.79 V C57
2020-04-10 04:44:18 s 1 -110976.16 1 +375545.58 3380.0 C57
2020-04-10 05:14:18 S 13 45 25.723 +17 48 16.52 V C57
2020-04-10 05:14:18 s 1 -111959.03 3 +374942.67 9750.0 C57
2020-04-10 05:44:17 S 13 45 25.272 +17 48 19.55 V C57
2020-04-10 05:44:17 s 1 -112939.40 1 +374331.69 5120.0 C57
2020-04-10 06:38:56 C 13 41 35.43 +17 50 10.1 u H21
2020-04-10 06:40:53 C 13 41 35.35 +17 50 09.8 u H21
2020-04-10 06:42:51 C 13 41 35.30 +17 50 10.0 u H21
2020-04-10 06:44:18 S 13 45 24.199 +17 48 22.90 V C57
2020-04-10 06:44:18 s 1 -114892.52 6 +373085.47 2710.0 C57
2020-04-10 06:44:49 C 13 41 35.23 +17 50 10.1 u H21
2020-04-10 06:46:46 C 13 41 35.16 +17 50 10.0 u H21
2020-04-10 06:48:44 C 13 41 35.09 +17 50 09.9 u H21
2020-04-10 06:50:41 C 13 41 35.02 +17 50 10.0 u H21
2020-04-10 06:52:38 C 13 41 34.95 +17 50 09.9 u H21
2020-04-10 06:54:35 C 13 41 34.91 +17 50 10.0 u H21
2020-04-10 06:57:02 C 13 41 34.82 +17 50 09.8 u H21
2020-04-10 07:14:17 S 13 45 23.525 +17 48 27.86 V C57
2020-04-10 07:14:17 s 1 -115865.22 9 +372450.23 4890.0 C57
2020-04-10 07:44:18 S 13 45 23.182 +17 48 31.39 V C57
2020-04-10 07:44:18 s 1 -116835.32 4 +371806.89 5940.0 C57
2020-04-10 08:14:18 S 13 45 22.579 +17 48 33.91 V C57
2020-04-10 08:14:18 s 1 -117802.78 5 +371155.45 5850.0 C57
2020-04-10 10:14:17 S 13 45 20.359 +17 48 46.76 V C57
2020-04-10 10:14:17 s 1 -121645.73 3 +368468.53 3430.0 C57
2020-04-10 10:44:18 S 13 45 19.709 +17 48 49.50 V C57
2020-04-10 10:44:18 s 1 -122599.61 0 +367776.48 7180.0 C57
2020-04-10 11:14:18 S 13 45 19.200 +17 48 52.38 V C57
2020-04-10 11:14:18 s 1 -123550.68 7 +367076.29 9600.0 C57
2020-04-10 11:44:17 S 13 45 18.569 +17 48 53.28 V C57
2020-04-10 11:44:17 s 1 -124498.93 7 +366367.95 680.0 C57
2020-04-10 12:14:18 S 13 45 17.880 +17 48 56.30 V C57
2020-04-10 12:14:18 s 1 -125444.33 1 +365651.45 380.0 C57
2020-04-10 12:44:18 S 13 45 17.378 +17 48 59.36 V C57
2020-04-10 12:44:18 s 1 -126386.84 0 +364926.79 8680.0 C57
2020-04-10 13:14:17 S 13 45 16.704 +17 49 01.85 V C57
2020-04-10 13:14:17 s 1 -127326.43 7 +364193.96 5540.0 C57
2020-04-10 13:44:17 S 13 45 16.010 +17 49 05.23 V C57
2020-04-10 13:44:17 s 1 -128263.09 2 +363452.95 940.0 C57
2020-04-10 14:14:18 S 13 45 15.482 +17 49 08.58 V C57
2020-04-10 14:14:18 s 1 -129196.77 6 +362703.76 4850.0 C57
2020-04-10 15:14:17 S 13 45 14.201 +17 49 14.02 V C57
2020-04-10 15:14:17 s 1 -131055.11 2 +361180.78 8050.0 C57
2020-04-10 15:44:18 S 13 45 13.644 +17 49 16.14 V 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)