|
(747) Winchester |
| ephemeris |
date |
magn |
radius |
delta |
ra |
dec |
elong |
phase |
| Today | 14 Aug 2026 | 13.0 | 2.291 AU | 3.199 AU | 08h02m | +15°58' | 22.0° | 9.5° |
| Opposition | 22 Feb 2027 | 12.2 | 2.963 AU | 1.988 AU | 10h40m | +20°57' | 168.4° | 3.9° |
(747) Winchester - 2026-08-14
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
2026-08-14 00:00 UT 08 02 11.0 +15 58 55 3.199 2.291 22.0 9.5 271 13.0
2026-08-14 03:46 UT 08 02 29.8 +15 58 31 3.199 2.292 22.0 9.5 271 13.0
2026-08-15 00:00 UT 08 04 10.5 +15 56 24 3.198 2.294 22.4 9.7 271 13.0
2026-08-16 00:00 UT 08 06 09.6 +15 53 49 3.197 2.298 22.9 9.9 272 13.0
2026-08-17 00:00 UT 08 08 08.3 +15 51 10 3.195 2.301 23.4 10.0 272 13.0
2026-08-18 00:00 UT 08 10 06.5 +15 48 27 3.194 2.304 23.8 10.2 273 13.0
2026-08-19 00:00 UT 08 12 04.4 +15 45 40 3.192 2.307 24.3 10.4 273 13.0
2026-08-20 00:00 UT 08 14 01.8 +15 42 50 3.190 2.311 24.8 10.6 274 13.0
2026-08-21 00:00 UT 08 15 58.8 +15 39 56 3.188 2.314 25.2 10.7 274 13.0
2026-08-22 00:00 UT 08 17 55.4 +15 36 59 3.186 2.317 25.7 10.9 275 13.1
2026-08-23 00:00 UT 08 19 51.5 +15 33 58 3.184 2.320 26.2 11.1 275 13.1
2026-08-24 00:00 UT 08 21 47.2 +15 30 54 3.182 2.324 26.7 11.3 276 13.1
2026-08-25 00:00 UT 08 23 42.5 +15 27 46 3.180 2.327 27.2 11.4 276 13.1
2026-08-26 00:00 UT 08 25 37.4 +15 24 36 3.177 2.330 27.7 11.6 277 13.1
2026-08-27 00:00 UT 08 27 31.8 +15 21 22 3.175 2.333 28.2 11.8 277 13.1
2026-08-28 00:00 UT 08 29 25.8 +15 18 06 3.172 2.337 28.7 12.0 277 13.1
2026-08-29 00:00 UT 08 31 19.3 +15 14 47 3.169 2.340 29.2 12.1 278 13.1
2026-08-30 00:00 UT 08 33 12.4 +15 11 25 3.167 2.343 29.7 12.3 278 13.1
2026-08-31 00:00 UT 08 35 05.1 +15 07 60 3.164 2.347 30.2 12.5 279 13.1
2026-09-01 00:00 UT 08 36 57.3 +15 04 32 3.161 2.350 30.7 12.7 279 13.1
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.
