(5) Astraea |
ephemeris |
date |
magn |
radius |
delta |
ra |
dec |
elong |
phase |
Today | 12 Nov 2024 | 11.9 | 2.289 AU | 3.203 AU | 14h00m | -08°43' | 18.8° | 8.0° |
Opposition | 5 Jun 2025 | 10.6 | 2.695 AU | 1.686 AU | 17h00m | -14°51' | 172.1° | 3.0° |
(5) Astraea - 2024-11-12
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 Astraea are:
e (Eccentricity) : 0.1872507
a (Semimajor axis) : 2.5758979
i (Inclination) : 5.35914
Ω (Longitude of ascending node) : 141.46063
ω (Argument of perihelion) : 359.23648
M (Mean anomaly) : 350.98291
Epoch : 2024 Mar 31
L (Longitude of perihelion) : 140.70045
B (Latitude of perihelion) : -0.07131
P (Orbital period in years) : 4.13
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.
A more printer-friendly version of the same chart can be found below.
Ephemerides:
Date Time RA (2000) DEC (2000) delta radius elong phase PA magn
2024-11-12 00:00 UT 14 00 59.7 -08 43 29 3.203 2.289 18.8 8.0 300 11.9
2024-11-12 05:52 UT 14 01 27.8 -08 45 48 3.203 2.289 19.0 8.1 300 11.9
2024-11-13 00:00 UT 14 02 54.6 -08 52 56 3.201 2.291 19.3 8.2 300 11.9
2024-11-14 00:00 UT 14 04 49.3 -09 02 18 3.198 2.293 19.8 8.4 299 11.9
2024-11-15 00:00 UT 14 06 44.0 -09 11 37 3.196 2.294 20.3 8.6 299 11.9
2024-11-16 00:00 UT 14 08 38.6 -09 20 50 3.193 2.296 20.9 8.8 299 11.9
2024-11-17 00:00 UT 14 10 33.2 -09 29 60 3.190 2.298 21.4 9.0 298 11.9
2024-11-18 00:00 UT 14 12 27.6 -09 39 05 3.188 2.300 21.9 9.2 298 11.9
2024-11-19 00:00 UT 14 14 21.9 -09 48 05 3.185 2.302 22.4 9.4 298 11.9
2024-11-20 00:00 UT 14 16 16.2 -09 57 01 3.181 2.304 22.9 9.6 298 11.9
2024-11-21 00:00 UT 14 18 10.4 -10 05 52 3.178 2.305 23.4 9.8 297 12.0
2024-11-22 00:00 UT 14 20 04.5 -10 14 39 3.175 2.307 23.9 10.0 297 12.0
2024-11-23 00:00 UT 14 21 58.5 -10 23 21 3.172 2.309 24.4 10.2 297 12.0
2024-11-24 00:00 UT 14 23 52.4 -10 31 58 3.168 2.311 25.0 10.4 296 12.0
2024-11-25 00:00 UT 14 25 46.1 -10 40 30 3.165 2.313 25.5 10.6 296 12.0
2024-11-26 00:00 UT 14 27 39.8 -10 48 58 3.161 2.315 26.0 10.8 296 12.0
2024-11-27 00:00 UT 14 29 33.4 -10 57 20 3.157 2.317 26.5 11.0 296 12.0
2024-11-28 00:00 UT 14 31 26.8 -11 05 38 3.153 2.319 27.0 11.2 295 12.0
2024-11-29 00:00 UT 14 33 20.2 -11 13 51 3.149 2.320 27.6 11.3 295 12.0
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.