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
2020-04-09 05:14:18 s 1 -62410.420 0 +394837.02 7740.0 C57
2020-04-09 06:14:18 S 13 45 43.361 +17 45 42.88 V C57
2020-04-09 06:14:18 s 1 -64555.523 0 +394375.76 8990.0 C57
2020-04-09 06:44:18 S 13 45 43.090 +17 45 47.74 V C57
2020-04-09 06:44:18 s 1 -65625.952 0 +394133.14 4340.0 C57
2020-04-09 07:14:18 S 13 45 42.835 +17 45 50.33 V C57
2020-04-09 07:14:18 s 1 -66694.938 0 +393882.54 9530.0 C57
2020-04-09 07:44:18 S 13 45 42.677 +17 45 54.14 V C57
2020-04-09 07:44:18 s 1 -67762.458 0 +393623.95 4600.0 C57
2020-04-09 08:44:18 S 13 45 41.983 +17 46 02.71 V C57
2020-04-09 08:44:18 s 1 -69893.013 0 +393082.80 4450.0 C57
2020-04-09 10:44:18 S 13 45 40.954 +17 46 15.78 V C57
2020-04-09 10:44:18 s 1 -74135.569 0 +391904.71 3710.0 C57
2020-04-09 11:14:18 S 13 45 40.831 +17 46 21.29 V C57
2020-04-09 11:14:18 s 1 -75192.213 0 +391590.23 8590.0 C57
2020-04-09 11:44:18 S 13 45 40.421 +17 46 24.28 V C57
2020-04-09 11:44:18 s 1 -76247.215 0 +391267.76 3530.0 C57
2020-04-09 12:44:18 S 13 45 39.686 +17 46 31.51 V C57
2020-04-09 12:44:18 s 1 -78352.203 0 +390598.89 3750.0 C57
2020-04-09 13:14:18 S 13 45 39.305 +17 46 30.43 V C57
2020-04-09 13:14:18 s 1 -79402.144 0 +390252.47 9060.0 C57
2020-04-09 14:14:18 S 13 45 38.717 +17 46 40.19 V C57
2020-04-09 14:14:18 s 1 -81496.807 0 +389535.70 240.0 C57
2020-04-09 14:44:18 S 13 45 38.227 +17 46 44.15 V C57
2020-04-09 14:44:18 s 1 -82541.484 0 +389165.33 3850.0 C57
2020-04-09 15:14:18 S 13 45 38.009 +17 46 47.42 V C57
2020-04-09 15:14:18 s 1 -83584.362 0 +388786.98 7690.0 C57
2020-04-09 18:14:18 S 13 45 35.981 +17 47 12.62 V C57
2020-04-09 18:14:18 s 1 -89802.544 0 +386349.10 4080.0 C57
2020-04-09 21:14:18 S 13 45 33.713 +17 47 29.80 V C57
2020-04-09 21:14:18 s 1 -95950.108 0 +383623.34 5070.0 C57
2020-04-09 22:14:17 S 13 45 32.702 +17 47 36.74 V C57
2020-04-09 22:14:17 s 1 -97982.723 0 +382650.70 1020.0 C57
2020-04-09 22:44:18 S 13 45 32.112 +17 47 38.58 V C57
2020-04-09 22:44:18 s 1 -98995.815 0 +382152.35 8050.0 C57
2020-04-09 23:14:18 S 13 45 32.074 +17 47 37.36 V C57
2020-04-09 23:14:18 s 1 -100006.73 2 +381645.99 4430.0 C57
2020-04-09 23:44:17 S 13 45 31.277 +17 47 42.94 V C57
2020-04-09 23:44:17 s 1 -101015.44 9 +381131.60 120.0 C57
2020-04-10 00:14:18 S 13 45 30.756 +17 47 48.08 V C57
2020-04-10 00:14:18 s 1 -102021.94 1 +380609.18 5090.0 C57
2020-04-10 00:44:18 S 13 45 30.245 +17 47 51.00 V C57
2020-04-10 00:44:18 s 1 -103026.18 4 +380078.74 9330.0 C57
2020-04-10 01:44:18 S 13 45 29.424 +17 47 57.23 V C57
2020-04-10 01:44:18 s 1 -105027.82 3 +378993.74 5470.0 C57
2020-04-10 02:14:18 S 13 45 28.783 +17 47 59.06 V C57
2020-04-10 02:14:18 s 1 -106025.17 0 +378439.18 7330.0 C57
2020-04-10 02:44:17 S 13 45 28.226 +17 48 00.83 V C57
2020-04-10 02:44:17 s 1 -107020.16 7 +377876.57 8340.0 C57
2020-04-10 03:14:18 S 13 45 27.914 +17 48 05.76 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)