2017 TF4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2424296620 ± 2.00e+00
Semi-major axis (a)1.0919080089 AU ± 3.00e+00
Inclination (i)60.73990805° ± 4.00e+00
Long. of Asc. Node (Ω)19.94075423° ± 5.00e+00
Arg. of Perihelion (ω)103.31457052° ± 6.00e+00
Mean Anomaly (M)321.63039531° ± 3.21e-01
Mean Motion (n)0.8640125600°/day ± 3.56e+00
Perihelion dist (q)0.82709910 AU ± 3.15e+00
Aphelion dist (Q)1.35639830 AU ± 4.32e+00
Orbital Period1.14073310 yr ± 4.70e+00
Physical Parameters
H (abs. magnitude)23.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.399″
Uncertainty3
Orbit TypeApollo
MOID0.027794 AU
Observations Used74
Oppositions1
Arc Total2017-2017
First Observation Used
Last Observation Used2017-10-19
Observations (75)
Date Type RA Dec Mag Band Observatory
2017-10-14 18:47:01 C 00 19 03.67 +10 58 48.4 U 587
2017-10-14 18:52:24 C 00 18 55.07 +11 00 04.4 U 587
2017-10-14 19:02:32 C 00 18 38.37 +11 02 29.9 q 246
2017-10-14 19:03:06 C 00 18 37.48 +11 02 32.9 q 246
2017-10-14 19:03:33 C 00 18 36.80 +11 02 39.5 q 246
2017-10-14 19:03:41 C 00 18 36.55 +11 02 41.8 q 246
2017-10-14 19:03:50 C 00 18 36.32 +11 02 44.2 q 246
2017-10-14 19:03:59 C 00 18 36.07 +11 02 45.6 q 246
2017-10-14 20:05:06 C 00 16 59.19 +11 17 03.4 U J95
2017-10-14 20:08:21 C 00 16 53.98 +11 17 49.2 U J95
2017-10-14 20:11:30 C 00 16 48.94 +11 18 33.5 U J95
2017-10-15 07:47:39 C 23 58 15.95 +13 58 56.7 U I52
2017-10-15 07:48:44 C 23 58 14.19 +13 59 11.4 U I52
2017-10-15 07:49:55 C 23 58 12.26 +13 59 27.2 U I52
2017-10-15 07:51:14 C 23 58 10.13 +13 59 44.9 U I52
2017-10-15 08:07:15 C 23 57 44.30 +14 03 21.0 o 926
2017-10-15 08:09:19 C 23 57 40.89 +14 03 49.1 o 926
2017-10-15 08:11:25 C 23 57 37.52 +14 04 17.0 o 926
2017-10-19 02:03:10 C 21 50 39.74 +27 49 32.2 U I52
2017-10-19 02:05:21 C 21 50 37.26 +27 49 42.3 U I52
2017-10-19 02:07:25 C 21 50 34.86 +27 49 52.9 U I52
2017-10-19 02:09:32 C 21 50 32.40 +27 50 03.8 U I52
2017-10-19 04:44:13 C 21 47 36.45 +28 02 43.8 o 926
2017-10-19 04:49:09 C 21 47 30.98 +28 03 06.0 o 926
2017-10-19 04:54:06 C 21 47 25.44 +28 03 29.0 o 926