|
(747) Winchester |
| ephemeris |
date |
magn |
radius |
delta |
ra |
dec |
elong |
phase |
| Today | 5 Jul 2026 | 12.6 | 2.173 AU | 3.176 AU | 06h37m | +16°27' | 7.6° | 3.5° |
| Opposition | 22 Feb 2027 | 12.2 | 2.963 AU | 1.988 AU | 10h40m | +20°57' | 168.4° | 3.9° |
(747) Winchester - 2026-07-05
astro.vanbuitenen.nl
The interactive orbit chart above shows the body's path through the solar system and its position at the given date.
Green and blue lines are shown perpendicular to the ecliptic plane: Green if the path is above the ecliptic plane, blue if it is below.
(Left-click and drag to rotate the view; Right-click and drag to move the view; Use scroll wheel to zoom in our out.)
The orbital elements of Winchester are:
e (Eccentricity) : 0.3397865
a (Semimajor axis) : 2.9993934
i (Inclination) : 18.22156
Ω (Longitude of ascending node) : 129.04851
ω (Argument of perihelion) : 277.66406
M (Mean anomaly) : 19.46596
Epoch : 2026 Jun 09
L (Longitude of perihelion) : 47.11199
B (Latitude of perihelion) : -18.05315
P (Orbital period in years) : 5.19
The light curve chart below shows the estimated development of the minor planet's magnitude.
The all-sky chart below shows the path of the minor planet over the same period as the light curve. The current position is marked yellow.
The following chart shows the path of the minor planet in the next few days. The field of view is optimized for (~10x50) binoculars and finderscopes.
Ephemerides:
Date Time RA (2000) DEC (2000) delta radius elong phase PA magn
2026-07-05 00:00 UT 06 37 44.9 +16 27 36 3.176 2.173 7.6 3.5 212 12.6
2026-07-05 22:51 UT 06 39 51.0 +16 28 52 3.178 2.175 7.7 3.6 215 12.6
2026-07-06 00:00 UT 06 39 57.4 +16 28 55 3.178 2.175 7.7 3.6 215 12.6
2026-07-07 00:00 UT 06 42 09.6 +16 30 08 3.181 2.178 7.9 3.7 218 12.6
2026-07-08 00:00 UT 06 44 21.5 +16 31 13 3.183 2.181 8.1 3.8 221 12.6
2026-07-09 00:00 UT 06 46 33.2 +16 32 11 3.185 2.184 8.3 3.9 224 12.6
2026-07-10 00:00 UT 06 48 44.7 +16 33 02 3.187 2.186 8.5 4.0 227 12.6
2026-07-11 00:00 UT 06 50 55.9 +16 33 47 3.188 2.189 8.8 4.1 229 12.6
2026-07-12 00:00 UT 06 53 06.8 +16 34 24 3.190 2.192 9.0 4.2 232 12.6
2026-07-13 00:00 UT 06 55 17.5 +16 34 55 3.192 2.195 9.3 4.3 234 12.6
2026-07-14 00:00 UT 06 57 27.9 +16 35 19 3.193 2.198 9.6 4.4 236 12.7
2026-07-15 00:00 UT 06 59 38.1 +16 35 36 3.195 2.201 9.9 4.6 238 12.7
2026-07-16 00:00 UT 07 01 47.9 +16 35 47 3.196 2.203 10.2 4.7 240 12.7
2026-07-17 00:00 UT 07 03 57.5 +16 35 51 3.198 2.206 10.5 4.8 242 12.7
2026-07-18 00:00 UT 07 06 06.7 +16 35 48 3.199 2.209 10.9 5.0 244 12.7
2026-07-19 00:00 UT 07 08 15.7 +16 35 40 3.200 2.212 11.2 5.1 246 12.7
2026-07-20 00:00 UT 07 10 24.4 +16 35 25 3.201 2.215 11.6 5.3 247 12.7
2026-07-21 00:00 UT 07 12 32.7 +16 35 04 3.202 2.218 11.9 5.4 249 12.7
Terminology:
delta: distance between minor planet and earth in AU
radius: distance between minor planet and sun in AU
magn: magnitude (brightness) estimate
ra: right ascension in hours (24h = 360deg)
dec: declination in degrees
elong: elongation in degrees (angle sun-earth-minor planet)
phase: phase angle in degrees (angle sun-minor planet-earth)
AU: Astronomical Unit (mean distance between earth and sun: 149597870.7 km
Orbital elements provided by the MPC (Minor Planet Center).
Calculations by a modified version of AAPlus, a C# implementation of the AA+ project by PJ Naughter from the algorithms presented in the book "Astronomical Algorithms" by Jean Meeus.
NGC2000 dso catalog and star labels from VizieR as provided by the Strasbourg astronomical Data Center.
Tycho2 catalog from the ESO archive.
