(5) Astraea |
ephemeris |
date |
magn |
radius |
delta |
ra |
dec |
elong |
phase |
Today | 27 Jul 2024 | 11.8 | 2.133 AU | 2.944 AU | 10h28m | +11°27' | 30.6° | 14.0° |
Opposition | 5 Jun 2025 | 10.6 | 2.695 AU | 1.686 AU | 17h00m | -14°51' | 172.1° | 3.0° |
(5) Astraea - 2024-07-27
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
2024-07-27 00:00 UT 10 28 40.9 +11 27 34 2.944 2.133 30.6 14.0 108 11.8
2024-07-27 08:29 UT 10 29 24.0 +11 23 48 2.946 2.133 30.4 13.9 108 11.8
2024-07-28 00:00 UT 10 30 42.8 +11 16 53 2.950 2.134 30.1 13.8 108 11.8
2024-07-29 00:00 UT 10 32 44.6 +11 06 09 2.957 2.135 29.7 13.6 108 11.8
2024-07-30 00:00 UT 10 34 46.4 +10 55 22 2.963 2.136 29.3 13.4 108 11.8
2024-07-31 00:00 UT 10 36 48.0 +10 44 32 2.969 2.137 28.9 13.3 108 11.8
2024-08-01 00:00 UT 10 38 49.6 +10 33 39 2.975 2.138 28.4 13.1 108 11.8
2024-08-02 00:00 UT 10 40 51.1 +10 22 42 2.981 2.139 28.0 12.9 108 11.8
2024-08-03 00:00 UT 10 42 52.4 +10 11 43 2.987 2.140 27.6 12.7 108 11.8
2024-08-04 00:00 UT 10 44 53.7 +10 00 41 2.993 2.141 27.2 12.5 108 11.8
2024-08-05 00:00 UT 10 46 54.9 +09 49 37 2.999 2.142 26.7 12.3 108 11.8
2024-08-06 00:00 UT 10 48 56.0 +09 38 29 3.005 2.143 26.3 12.1 108 11.8
2024-08-07 00:00 UT 10 50 57.1 +09 27 19 3.010 2.144 25.9 11.9 108 11.8
2024-08-08 00:00 UT 10 52 58.0 +09 16 07 3.016 2.145 25.5 11.7 108 11.8
2024-08-09 00:00 UT 10 54 58.8 +09 04 53 3.022 2.147 25.0 11.5 108 11.8
2024-08-10 00:00 UT 10 56 59.5 +08 53 36 3.027 2.148 24.6 11.3 108 11.8
2024-08-11 00:00 UT 10 59 00.2 +08 42 16 3.033 2.149 24.2 11.1 108 11.8
2024-08-12 00:00 UT 11 01 00.7 +08 30 55 3.038 2.150 23.8 11.0 108 11.7
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.