480823 (1998 YW5)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6203017857 ± 3.92e-08
Semi-major axis (a)1.2401854961 AU ± 1.91e-09
Inclination (i)8.34063091° ± 3.10e-06
Long. of Asc. Node (Ω)219.76914439° ± 2.33e-05
Arg. of Perihelion (ω)355.16832191° ± 2.64e-05
Mean Anomaly (M)118.78001424° ± 7.12e-06
Mean Motion (n)0.7136451263°/day ± 1.65e-09
Perihelion dist (q)0.47089622 AU ± 4.86e-08
Aphelion dist (Q)2.00947477 AU ± 4.87e-08
Orbital Period1.38111541 yr ± 3.19e-09
Physical Parameters
H (abs. magnitude)20.20
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.242″
Uncertainty0
Orbit TypeApollo
MOID0.128439 AU
Observations Used137
Oppositions7
Arc Total1998-2025
First Observation Used1998-12-19
Last Observation Used2025-10-12
Observations (159)
Date Type RA Dec Mag Band Observatory
2009-11-27 09:30:23 C 04 41 27.96 +12 09 22.5 c 926
2009-11-27 09:36:19 C 04 41 27.43 +12 09 18.2 c 926
2009-11-27 09:42:14 C 04 41 26.71 +12 09 13.9 c 926
2009-12-25 01:50:46 C 03 13 24.73 +03 43 32.4 o 291
2009-12-25 01:56:08 C 03 13 24.10 +03 43 28.2 o 291
2009-12-25 02:01:49 C 03 13 23.37 +03 43 24.7 o 291
2010-01-18 13:34:56 S 02 21 33.91 -00 27 32.1 L C51
2010-01-18 15:10:05 S 02 21 28.50 -00 27 53.6 L C51
2010-01-18 18:20:48 S 02 21 18.18 -00 28 37.5 L C51
2010-01-18 19:55:57 S 02 21 12.73 -00 28 57.0 L C51
2010-01-18 21:31:19 S 02 21 07.91 -00 29 19.3 L C51
2014-09-19 12:21:47 C 00 31 16.099 +17 24 20.64 L F51
2014-09-19 12:39:50 C 00 31 13.933 +17 24 01.86 L F51
2014-09-19 12:57:16 C 00 31 11.841 +17 23 43.58 L F51
2014-10-26 02:43:22 C 23 24 45.44 +04 02 55.3 u H21
2014-10-26 02:59:12 C 23 24 44.90 +04 02 46.4 u H21
2014-10-26 03:16:53 C 23 24 44.42 +04 02 36.3 u H21
2016-12-11 10:24:30 C 07 52 19.45 -05 29 32.8 o 291
2016-12-11 10:27:29 C 07 52 19.56 -05 29 41.6 o 291
2016-12-11 10:30:27 C 07 52 19.67 -05 29 50.6 o 291
2016-12-23 01:57:37 C 08 09 48.75 -27 48 22.4 U 204
2016-12-23 02:05:59 C 08 09 49.49 -27 49 24.6 U 204
2016-12-23 02:14:30 C 08 09 50.21 -27 50 27.9 U 204
2016-12-27 16:14:33 C 08 25 17.91 -44 19 35.4 r Q62
2016-12-27 17:03:22 C 08 25 26.94 -44 28 12.0 r Q62
2016-12-27 17:35:54 C 08 25 32.99 -44 33 55.2 r Q62
2016-12-31 13:49:53 S 08 57 30.75 -62 29 32.0 L C51
2016-12-31 16:58:34 S 08 59 22.96 -63 08 16.0 L C51
2020-12-05 07:54:23 C 03 21 13.32 +10 12 28.6 V G96
2020-12-05 08:01:47 C 03 21 12.51 +10 12 23.3 V G96
2020-12-05 08:16:32 C 03 21 10.86 +10 12 14.4 V G96
2021-01-06 07:59:13 C 02 22 26.824 +04 44 21.72 U F51
2021-01-06 08:18:01 C 02 22 26.125 +04 44 18.58 U F51
2021-01-06 08:36:40 C 02 22 25.444 +04 44 15.33 U F51
2021-01-06 08:55:17 C 02 22 24.753 +04 44 11.84 U F51
2021-10-07 05:47:33 C 01 11 15.53 +14 49 46.6 V G96
2021-10-07 05:54:58 C 01 11 14.82 +14 49 41.6 V G96
2021-10-07 06:02:24 C 01 11 14.08 +14 49 35.6 V G96
2021-10-07 06:09:49 C 01 11 13.43 +14 49 30.2 V G96
2024-12-04 05:32:21 C 01 50 46.734 +08 39 07.63 V V00
2024-12-04 05:40:27 C 01 50 46.295 +08 39 04.32 V V00
2024-12-04 05:48:31 C 01 50 45.874 +08 39 00.76 V V00
2024-12-04 05:56:36 C 01 50 45.434 +08 38 57.88 V V00
2025-08-21 12:04:12 C 01 11 03.358 +32 52 55.24 V T08
2025-08-21 12:16:13 C 01 11 00.876 +32 52 42.71 V T08
2025-08-21 12:28:14 C 01 10 58.411 +32 52 29.14 V T08
2025-08-21 12:40:15 C 01 10 56.227 +32 52 16.90 V T08
2025-08-23 11:29:46 C 01 01 54.004 +31 56 24.85 X F52
2025-08-23 11:47:10 C 01 01 50.522 +31 56 03.69 X F52
2025-08-23 12:04:30 C 01 01 47.061 +31 55 42.46 X F52