494697 (2004 SW55)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3339835777 ± 1.55e-08
Semi-major axis (a)1.4275687525 AU ± 4.66e-10
Inclination (i)8.78530517° ± 2.56e-06
Long. of Asc. Node (Ω)75.11716199° ± 1.62e-05
Arg. of Perihelion (ω)352.85626071° ± 1.62e-05
Mean Anomaly (M)112.35110450° ± 3.74e-06
Mean Motion (n)0.5778521403°/day ± 2.83e-10
Perihelion dist (q)0.95078423 AU ± 2.22e-08
Aphelion dist (Q)1.90435327 AU ± 2.22e-08
Orbital Period1.70567212 yr ± 8.36e-10
Physical Parameters
H (abs. magnitude)20.77
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.286″
Uncertainty0
Orbit TypeApollo
MOID0.031885 AU
Observations Used162
Oppositions7
Arc Total2004-2022
First Observation Used2004-09-24
Last Observation Used2022-02-24
Observations (175)
Date Type RA Dec Mag Band Observatory
2022-01-22 00:38:11 S 02 08 40.865 +58 21 50.04 L C51
2022-01-22 05:20:23 S 02 11 01.301 +58 35 39.05 L C51
2022-01-22 08:28:31 S 02 12 35.693 +58 44 42.58 L C51
2022-01-24 00:43:12 C 02 33 28.01 +60 31 27.3 X W34
2022-01-24 00:57:47 C 02 33 35.48 +60 32 02.1 X W34
2022-01-24 01:10:58 C 02 33 42.21 +60 32 33.4 X W34
2022-01-29 06:30:56 C 03 44 41.09 +64 03 33.3 V T05
2022-01-29 06:35:33 C 03 44 43.70 +64 03 37.7 V T05
2022-01-29 06:43:28 C 03 44 48.01 +64 03 45.2 V T05
2022-01-29 07:00:42 C 03 44 57.53 +64 04 00.4 V T05
2022-01-30 18:22:25 C 04 05 32.11 +64 31 43.5 V 130
2022-01-30 18:32:26 C 04 05 37.73 +64 31 50.0 V 130
2022-01-30 18:42:27 C 04 05 43.29 +64 31 55.9 V 130
2022-01-30 18:53:11 C 04 05 49.20 +64 32 02.3 V 130
2022-02-07 05:33:47 C 05 39 38.42 +64 08 45.8 V V00
2022-02-07 05:41:00 C 05 39 41.55 +64 08 40.2 V V00
2022-02-07 05:48:11 C 05 39 44.69 +64 08 34.5 V V00
2022-02-07 05:55:24 C 05 39 47.81 +64 08 28.9 V V00
2022-02-19 04:10:03 C 07 16 22.53 +58 39 57.2 V G96
2022-02-19 04:17:40 C 07 16 24.25 +58 39 46.9 V G96
2022-02-19 04:25:17 C 07 16 25.94 +58 39 36.4 V G96
2022-02-19 04:32:54 C 07 16 27.69 +58 39 26.2 V G96
2022-02-24 05:55:31 C 07 42 19.634 +55 49 45.59 U F52
2022-02-24 06:36:22 C 07 42 26.817 +55 48 49.50 U F52
2022-02-24 06:56:47 C 07 42 30.405 +55 48 21.35 U F52