480822 (1998 YM4)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7195661734 ± 5.62e-08
Semi-major axis (a)1.4767783261 AU ± 2.64e-09
Inclination (i)3.43207123° ± 4.43e-06
Long. of Asc. Node (Ω)341.74440117° ± 1.56e-04
Arg. of Perihelion (ω)344.55517478° ± 1.57e-04
Mean Anomaly (M)35.71949053° ± 2.14e-05
Mean Motion (n)0.5492111068°/day ± 1.47e-09
Perihelion dist (q)0.41413860 AU ± 8.30e-08
Aphelion dist (Q)2.53941806 AU ± 8.31e-08
Orbital Period1.79462191 yr ± 4.81e-09
Physical Parameters
H (abs. magnitude)19.67
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.444″
Uncertainty0
Orbit TypeApollo
MOID0.046549 AU
Observations Used260
Oppositions12
Arc Total1998-2026
First Observation Used1998-12-19
Last Observation Used2026-01-10
Observations (262)
Date Type RA Dec Mag Band Observatory
2007-12-18 08:06:11 C 08 22 01.05 +31 21 09.5 19.3 c 704
2007-12-18 08:24:42 C 08 21 55.59 +31 21 22.0 19.2 c 704
2007-12-18 08:43:13 C 08 21 50.07 +31 21 32.9 18.9 c 704
2007-12-18 09:01:43 C 08 21 44.54 +31 21 43.8 19.0 c 704
2007-12-18 16:09:40 C 08 19 41.00 +31 25 55.0 o D62
2007-12-18 16:10:57 C 08 19 40.65 +31 25 55.4 o D62
2007-12-18 16:11:58 C 08 19 40.39 +31 25 55.7 o D62
2007-12-18 16:13:20 C 08 19 40.04 +31 25 56.6 o D62
2007-12-19 07:36:37 C 08 15 14.97 +31 34 23.5 r G96
2007-12-19 07:44:00 C 08 15 12.81 +31 34 27.5 r G96
2007-12-19 07:51:18 C 08 15 10.69 +31 34 31.5 r G96
2007-12-19 07:58:44 C 08 15 08.53 +31 34 35.6 r G96
2007-12-19 14:35:32 C 08 13 15.79 +31 37 57.6 o D62
2007-12-19 14:36:45 C 08 13 15.42 +31 37 58.1 o D62
2007-12-19 14:37:49 C 08 13 15.20 +31 37 58.4 o D62
2007-12-20 05:09:50 C 08 09 08.92 +31 44 53.1 r G96
2007-12-20 05:26:38 C 08 09 04.17 +31 45 01.4 r G96
2007-12-20 05:43:08 C 08 08 59.49 +31 45 09.5 r G96
2007-12-20 05:59:42 C 08 08 54.74 +31 45 17.9 r G96
2007-12-28 21:20:53 C 07 16 36.51 +32 21 24.2 r B15
2007-12-28 21:23:12 C 07 16 36.02 +32 21 25.0 r B15
2007-12-28 21:43:25 C 07 16 31.50 +32 21 22.9 r B15
2007-12-28 21:53:15 C 07 16 29.31 +32 21 22.8 r B15
2007-12-30 07:10:38 C 07 09 22.17 +32 18 40.2 r G96
2007-12-30 07:17:03 C 07 09 20.80 +32 18 39.5 r G96
2007-12-30 07:23:18 C 07 09 19.47 +32 18 38.9 r G96
2007-12-30 07:29:40 C 07 09 18.10 +32 18 38.2 r G96
2007-12-30 14:55:01 C 07 07 45.98 +32 17 47.0 355
2007-12-30 15:00:00 C 07 07 44.97 +32 17 46.4 355
2007-12-30 15:10:01 C 07 07 42.84 +32 17 43.6 355
2007-12-30 15:13:20 C 07 07 42.14 +32 17 43.0 355
2009-03-02 09:47:51 C 12 23 50.65 -04 10 24.9 o 691
2009-03-02 10:13:16 C 12 23 48.94 -04 10 16.6 o 691
2009-03-02 10:38:40 C 12 23 47.43 -04 10 09.6 o 691
2009-03-15 07:24:12 C 11 59 34.05 -02 08 03.4 o 291
2009-03-15 07:29:35 C 11 59 33.60 -02 08 00.6 o 291
2009-03-15 07:34:53 C 11 59 33.06 -02 07 58.2 o 291
2009-03-19 05:11:20 C 11 50 21.78 -01 19 21.4 o 691
2009-03-19 05:33:18 C 11 50 19.46 -01 19 08.5 o 691
2009-03-19 05:55:14 C 11 50 17.22 -01 18 56.5 o 691
2009-03-19 08:57:22 C 11 49 58.08 -01 17 17.3 r G96
2009-03-19 09:08:20 C 11 49 56.92 -01 17 11.1 r G96
2009-03-19 09:19:16 C 11 49 55.81 -01 17 05.4 r G96
2009-03-19 09:30:11 C 11 49 54.62 -01 16 58.9 r G96
2016-12-06 11:00:20 C 09 33 05.00 +23 17 10.7 q G96
2016-12-06 11:06:33 C 09 33 04.04 +23 17 15.5 q G96
2016-12-06 11:12:45 C 09 33 03.09 +23 17 21.2 q G96
2016-12-06 11:18:59 C 09 33 02.13 +23 17 25.9 q G96
2016-12-27 07:44:01 C 08 04 49.15 +28 33 42.1 R G45
2016-12-27 07:45:37 C 08 04 48.92 +28 33 43.3 R G45