480858 (2001 PT9)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4548944155 ± 9.02e-09
Semi-major axis (a)1.4681975142 AU ± 1.11e-09
Inclination (i)7.18020028° ± 5.22e-06
Long. of Asc. Node (Ω)329.94247268° ± 6.57e-06
Arg. of Perihelion (ω)261.66901752° ± 8.75e-06
Mean Anomaly (M)273.63088050° ± 4.23e-06
Mean Motion (n)0.5540328929°/day ± 6.29e-10
Perihelion dist (q)0.80032266 AU ± 1.33e-08
Aphelion dist (Q)2.13607236 AU ± 1.33e-08
Orbital Period1.77900319 yr ± 2.02e-09
Physical Parameters
H (abs. magnitude)20.89
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.441″
Uncertainty0
Orbit TypeApollo
MOID0.028974 AU
Observations Used313
Oppositions11
Arc Total2001-2026
First Observation Used2001-08-11
Last Observation Used2026-01-12
Observations (320)
Date Type RA Dec Mag Band Observatory
2017-08-28 10:17:14 C 21 33 06.41 -13 11 23.8 L T05
2017-08-28 10:23:23 C 21 33 06.09 -13 11 19.3 L T05
2017-08-28 10:26:09 C 21 33 05.88 -13 11 17.3 L T05
2017-08-28 10:37:06 C 21 33 05.21 -13 11 09.3 L T05
2017-08-28 10:39:11 C 21 33 05.11 -13 11 08.0 L T05
2017-08-29 09:40:33 C 21 31 57.73 -12 55 39.4 L T05
2017-08-29 09:51:46 C 21 31 57.12 -12 55 32.6 L T05
2017-08-29 10:03:37 C 21 31 56.43 -12 55 23.8 L T05
2017-08-29 10:14:43 C 21 31 55.85 -12 55 16.6 L T05
2017-08-30 04:07:00 C 21 31 08.00 -12 43 56.9 q W25
2017-08-30 04:38:21 C 21 31 06.38 -12 43 37.5 q W25
2017-09-13 07:44:17 C 21 24 17.708 -10 09 04.81 L F51
2017-09-13 08:03:51 C 21 24 17.569 -10 08 58.22 L F51
2017-09-13 08:23:26 C 21 24 17.420 -10 08 51.74 L F51
2017-09-13 08:43:03 C 21 24 17.279 -10 08 45.15 L F51
2025-12-27 18:32:09 C 09 46 56.820 +24 20 05.51 W O18
2025-12-27 19:44:42 C 09 46 58.407 +24 20 05.61 W O18
2026-01-12 21:07:21 C 09 50 39.88 +24 32 15.5 V D29
2026-01-12 21:27:43 C 09 50 39.58 +24 32 16.7 V D29
2026-01-12 21:48:05 C 09 50 39.39 +24 32 17.1 V D29