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
2016-12-27 07:50:43 C 08 04 47.91 +28 33 44.6 R G45
2016-12-27 07:52:10 C 08 04 47.63 +28 33 44.8 R G45
2016-12-27 08:00:14 C 08 04 46.10 +28 33 48.4 R G45
2016-12-27 08:06:09 C 08 04 45.01 +28 33 50.3 R G45
2016-12-27 08:08:34 C 08 04 44.53 +28 33 50.8 R G45
2016-12-27 08:13:25 C 08 04 43.65 +28 33 53.0 R G45
2016-12-27 08:14:41 C 08 04 43.42 +28 33 53.4 R G45
2016-12-29 21:45:57 C 07 53 36.60 +28 53 16.8 q 246
2016-12-29 21:49:48 C 07 53 35.91 +28 53 18.3 q 246
2016-12-29 21:50:31 C 07 53 35.81 +28 53 18.8 q 246
2016-12-29 21:51:36 C 07 53 35.55 +28 53 17.3 q 246
2016-12-29 21:53:38 C 07 53 35.25 +28 53 18.8 q 246
2017-01-05 05:58:18 C 07 27 55.03 +29 20 46.5 q G96
2017-01-05 06:04:28 C 07 27 54.08 +29 20 46.5 q G96
2017-01-05 06:10:39 C 07 27 53.06 +29 20 47.7 q G96
2017-01-05 06:19:49 C 07 27 51.59 +29 20 48.6 q G96
2018-03-20 08:19:22 C 12 11 38.64 -04 14 41.4 U G96
2018-03-20 08:26:46 C 12 11 37.84 -04 14 38.2 U G96
2018-03-20 08:34:10 C 12 11 37.04 -04 14 34.1 U G96
2018-03-20 08:41:34 C 12 11 36.27 -04 14 30.0 U G96
2018-04-14 05:10:32 C 10 54 34.82 +02 31 18.0 U G96
2018-04-14 05:17:58 C 10 54 33.80 +02 31 24.1 U G96
2018-04-14 05:25:25 C 10 54 32.72 +02 31 29.1 U G96
2018-04-14 05:32:52 C 10 54 31.63 +02 31 35.1 U G96
2018-04-21 04:12:13 C 10 32 22.50 +04 31 12.8 U G96
2018-04-21 04:20:20 C 10 32 21.40 +04 31 17.8 U G96
2018-04-21 04:28:27 C 10 32 20.39 +04 31 23.7 U G96
2018-04-21 04:36:33 C 10 32 19.32 +04 31 28.8 U G96
2025-11-03 11:26:23 C 10 17 30.656 +16 09 20.48 V G96
2025-11-03 11:35:14 C 10 17 30.358 +16 09 23.11 V G96
2025-11-03 11:44:07 C 10 17 30.052 +16 09 25.67 V G96
2025-11-03 11:52:58 C 10 17 29.742 +16 09 28.76 V G96
2025-11-29 12:53:42 C 09 48 17.753 +19 57 29.95 X F52
2025-11-29 13:11:24 C 09 48 16.372 +19 57 38.64 X F52
2025-11-29 13:29:05 C 09 48 15.014 +19 57 47.28 X F52
2025-11-29 13:46:45 C 09 48 13.638 +19 57 55.94 X F52
2025-11-29 20:52:05 C 09 47 41.49 +20 01 19.2 V D29
2025-11-29 21:32:49 C 09 47 38.31 +20 01 38.6 V D29
2025-11-30 19:04:06 C 09 45 59.945 +20 12 06.83 W O18
2025-11-30 19:58:23 C 09 45 55.595 +20 12 34.06 W O18
2025-12-03 12:29:56 C 09 40 36.944 +20 45 15.16 V G96
2025-12-03 12:38:04 C 09 40 36.196 +20 45 19.12 V G96
2025-12-03 12:46:12 C 09 40 35.494 +20 45 23.33 V G96
2025-12-03 12:54:19 C 09 40 34.741 +20 45 27.40 V G96
2025-12-15 12:05:17 C 09 10 22.579 +23 24 16.23 X F52
2025-12-15 12:22:09 C 09 10 20.441 +23 24 26.02 X F52
2025-12-15 12:38:57 C 09 10 18.294 +23 24 35.84 X F52
2025-12-15 12:55:46 C 09 10 16.164 +23 24 45.49 X F52
2025-12-22 11:08:03 C 08 48 10.897 +24 55 47.96 V G96
2025-12-22 11:15:27 C 08 48 09.842 +24 55 51.53 V G96