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
2017-08-05 07:33:21 C 23 06 03.49 -28 24 09.2 q W25
2017-08-05 10:18:37 C 23 04 55.79 -28 14 35.6 L T08
2017-08-05 10:29:08 C 23 04 51.14 -28 14 01.6 L T08
2017-08-05 10:39:36 C 23 04 46.41 -28 13 27.0 L T08
2017-08-05 10:50:07 C 23 04 41.69 -28 12 53.6 L T08
2017-08-10 11:54:16 C 22 25 30.75 -22 33 06.2 L T08
2017-08-10 12:09:52 C 22 25 26.61 -22 32 30.1 L T08
2017-08-10 12:10:38 C 22 25 26.40 -22 32 28.0 L T08
2017-08-10 12:40:09 C 22 25 18.66 -22 31 19.7 L T08
2017-08-12 11:20:38 C 22 14 58.83 -20 50 57.6 L T05
2017-08-12 11:35:19 C 22 14 55.60 -20 50 28.2 L T05
2017-08-12 11:47:48 C 22 14 52.89 -20 50 03.1 L T05
2017-08-12 11:55:52 C 22 14 51.11 -20 49 47.0 L T05
2017-08-12 12:00:17 C 22 14 50.16 -20 49 38.2 L T05
2017-08-12 12:02:30 C 22 14 49.66 -20 49 33.5 L T05
2017-08-13 23:00:31 C 22 08 16.22 -19 43 47.5 U 107
2017-08-13 23:06:12 C 22 08 15.17 -19 43 37.5 U 107
2017-08-13 23:11:53 C 22 08 14.09 -19 43 27.4 U 107
2017-08-13 23:17:33 C 22 08 13.04 -19 43 17.0 U 107
2017-08-14 11:27:31 C 22 06 06.64 -19 21 42.8 L T08
2017-08-14 11:42:28 C 22 06 03.90 -19 21 16.9 L T08
2017-08-14 11:44:43 C 22 06 03.47 -19 21 13.0 L T08
2017-08-14 12:05:39 C 22 05 59.66 -19 20 36.7 L T08
2017-08-16 11:03:59 C 21 58 46.39 -18 05 30.7 L T05
2017-08-16 11:17:58 C 21 58 44.22 -18 05 09.6 L T05
2017-08-16 11:20:04 C 21 58 43.88 -18 05 06.6 L T05
2017-08-16 11:24:15 C 21 58 43.23 -18 05 00.5 L T05
2017-08-17 04:17:42 C 21 56 25.38 -17 39 55.6 q W98
2017-08-17 04:27:52 C 21 56 23.90 -17 39 41.0 q W98
2017-08-17 04:38:02 C 21 56 22.42 -17 39 27.0 q W98
2017-08-18 10:54:34 C 21 52 32.92 -16 59 04.2 L T08
2017-08-18 11:03:35 C 21 52 31.71 -16 58 52.3 L T08
2017-08-18 11:17:45 C 21 52 29.87 -16 58 34.0 L T08
2017-08-18 11:25:57 C 21 52 28.76 -16 58 22.9 L T08
2017-08-18 11:29:42 C 21 52 28.27 -16 58 18.3 L T08
2017-08-18 11:32:39 C 21 52 27.88 -16 58 14.3 L T08
2017-08-18 11:34:54 C 21 52 27.58 -16 58 11.3 L T08
2017-08-18 11:40:06 C 21 52 26.90 -16 58 04.4 L T08
2017-08-20 10:41:35 C 21 47 17.11 -16 01 17.1 L T05
2017-08-20 10:54:14 C 21 47 15.65 -16 01 02.7 L T05
2017-08-20 10:57:04 C 21 47 15.33 -16 00 59.2 L T05
2017-08-20 11:12:22 C 21 47 13.61 -16 00 42.2 L T05
2017-08-21 15:37:16 C 21 44 30.07 -15 29 57.9 q D29
2017-08-21 15:57:37 C 21 44 27.96 -15 29 37.2 q D29
2017-08-21 16:17:59 C 21 44 25.87 -15 29 15.7 q D29
2017-08-22 10:34:15 C 21 42 48.51 -15 10 34.2 L T08
2017-08-22 10:47:00 C 21 42 47.28 -15 10 21.6 L T08
2017-08-22 10:52:58 C 21 42 46.70 -15 10 15.5 L T08
2017-08-22 11:10:11 C 21 42 45.00 -15 09 58.8 L T08
2017-08-28 09:58:45 C 21 33 07.54 -13 11 36.0 L T05