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
2020-05-06 19:58:30 C 12 22 15.58 -12 07 33.0 V C40
2020-05-06 20:05:39 C 12 22 10.50 -12 09 32.1 V C40
2020-05-06 20:42:29 C 12 21 44.32 -12 19 45.2 V C40
2020-05-06 20:49:45 C 12 21 39.18 -12 21 46.1 V C40
2020-05-07 21:18:00 C 12 02 47.71 -20 12 40.7 V 204
2020-05-07 21:20:12 C 12 02 45.51 -20 13 28.2 V 204
2020-05-07 21:22:36 C 12 02 43.11 -20 14 20.6 V 204
2020-05-07 21:25:01 C 12 02 40.69 -20 15 12.9 V 204
2020-05-07 21:27:13 C 12 02 38.47 -20 16 00.9 V 204
2020-09-14 11:27:48 C 01 10 14.403 -17 21 09.88 U F52
2020-09-14 11:59:16 C 01 10 10.850 -17 21 01.96 U F52
2020-09-14 12:15:03 C 01 10 09.076 -17 20 58.01 U F52
2020-09-15 09:40:34 C 01 07 52.46 -17 15 28.8 V G96
2020-09-15 09:47:58 C 01 07 51.61 -17 15 26.4 V G96
2020-09-15 09:55:22 C 01 07 50.79 -17 15 24.2 V G96
2020-09-15 10:02:45 C 01 07 49.98 -17 15 22.5 V G96
2020-09-23 10:29:45 C 00 47 59.230 -16 13 14.32 U F52
2020-09-23 10:44:35 C 00 47 57.709 -16 13 08.80 U F52
2020-09-23 10:59:24 C 00 47 56.151 -16 13 03.38 U F52
2020-09-25 06:53:44 C 00 43 41.19 -15 55 58.6 V G96
2020-09-25 07:00:30 C 00 43 40.51 -15 55 56.1 V G96
2020-09-25 07:07:19 C 00 43 39.82 -15 55 53.1 V G96
2020-09-25 07:14:06 C 00 43 39.15 -15 55 50.7 V G96
2020-10-10 08:48:39 C 00 15 18.745 -13 05 04.90 U F51
2020-10-10 09:05:22 C 00 15 17.676 -13 04 56.18 U F51
2020-10-10 09:22:09 C 00 15 16.606 -13 04 47.44 U F51
2020-10-20 06:59:17 C 00 04 13.224 -10 57 03.65 U F51
2020-10-20 07:15:30 C 00 04 12.612 -10 56 54.86 U F51
2020-10-20 07:31:42 C 00 04 12.002 -10 56 46.17 U F51
2020-10-21 04:54:30 C 00 03 29.94 -10 45 04.9 V G96
2020-10-21 05:03:21 C 00 03 29.64 -10 45 00.5 V G96
2020-10-21 05:12:13 C 00 03 29.30 -10 44 55.2 V G96
2020-10-21 05:21:06 C 00 03 29.00 -10 44 50.6 V G96
2022-02-03 12:21:52 C 12 52 38.295 +12 59 01.24 U F52
2022-02-03 12:37:29 C 12 52 39.080 +12 59 02.94 U F52
2022-02-03 12:53:04 C 12 52 39.838 +12 59 04.65 U F52
2022-02-03 13:08:44 C 12 52 40.620 +12 59 06.32 U F52
2022-02-06 10:49:50 C 12 56 14.94 +13 06 46.5 V G96
2022-02-06 10:57:17 C 12 56 15.23 +13 06 48.1 V G96
2022-02-06 11:04:42 C 12 56 15.59 +13 06 48.7 V G96
2022-02-06 11:12:09 C 12 56 15.98 +13 06 51.3 V G96
2022-02-09 11:09:59 C 12 59 48.404 +13 16 47.70 U F52
2022-02-09 11:27:42 C 12 59 49.211 +13 16 50.61 U F52
2022-02-09 11:44:20 C 12 59 49.965 +13 16 53.18 U F52
2022-02-09 12:00:54 C 12 59 50.713 +13 16 56.07 U F52
2022-03-01 09:05:25 C 13 18 02.55 +15 14 32.4 V G96
2022-03-01 09:12:53 C 13 18 02.69 +15 14 35.2 V G96
2022-03-01 09:20:21 C 13 18 02.84 +15 14 37.8 V G96
2022-03-01 09:27:53 C 13 18 03.02 +15 14 40.0 V G96
2022-03-15 05:49:15 C 13 23 09.50 +17 23 30.6 V G96
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)