(25) Phocaea |
ephemeris |
date |
magn |
radius |
delta |
ra |
dec |
elong |
phase |
Today | 4 Jul 2025 | 12.7 | 2.146 AU | 2.566 AU | 02h55m | +20°01' | 54.7° | 22.8° |
Opposition | 22 Nov 2025 | 11.4 | 2.545 AU | 1.581 AU | 04h06m | +04°29' | 163.9° | 6.2° |
(25) Phocaea - 2025-07-04
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 Phocaea are:
e (Eccentricity) : 0.2541175
a (Semimajor axis) : 2.4000402
i (Inclination) : 21.60849
Ω (Longitude of ascending node) : 214.08948
ω (Argument of perihelion) : 90.19895
M (Mean anomaly) : 36.20664
Epoch : 2025 May 05
L (Longitude of perihelion) : 124.30347
B (Latitude of perihelion) : 21.60835
P (Orbital period in years) : 3.72
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
2025-07-04 00:00 UT 02 55 27.5 +20 01 14 2.566 2.146 54.7 22.8 256 12.7
2025-07-04 00:28 UT 02 55 29.6 +20 01 17 2.565 2.146 54.7 22.8 256 12.7
2025-07-05 00:00 UT 02 57 16.6 +20 03 34 2.559 2.148 55.3 22.9 256 12.7
2025-07-06 00:00 UT 02 59 05.2 +20 05 46 2.552 2.151 55.8 23.0 256 12.7
2025-07-07 00:00 UT 03 00 53.3 +20 07 51 2.545 2.154 56.3 23.1 256 12.7
2025-07-08 00:00 UT 03 02 40.8 +20 09 47 2.538 2.157 56.9 23.2 256 12.7
2025-07-09 00:00 UT 03 04 27.8 +20 11 37 2.531 2.160 57.4 23.4 256 12.7
2025-07-10 00:00 UT 03 06 14.2 +20 13 18 2.524 2.163 57.9 23.5 256 12.7
2025-07-11 00:00 UT 03 07 60.0 +20 14 52 2.516 2.166 58.5 23.6 256 12.7
2025-07-12 00:00 UT 03 09 45.2 +20 16 17 2.509 2.169 59.0 23.7 256 12.7
2025-07-13 00:00 UT 03 11 29.9 +20 17 35 2.501 2.172 59.6 23.8 256 12.7
2025-07-14 00:00 UT 03 13 13.9 +20 18 46 2.494 2.174 60.1 23.9 256 12.7
2025-07-15 00:00 UT 03 14 57.4 +20 19 48 2.486 2.177 60.7 24.0 256 12.7
2025-07-16 00:00 UT 03 16 40.2 +20 20 42 2.479 2.180 61.2 24.1 256 12.7
2025-07-17 00:00 UT 03 18 22.4 +20 21 29 2.471 2.183 61.8 24.2 256 12.7
2025-07-18 00:00 UT 03 20 04.0 +20 22 08 2.463 2.186 62.4 24.3 256 12.7
2025-07-19 00:00 UT 03 21 44.8 +20 22 38 2.455 2.189 62.9 24.4 256 12.7
2025-07-20 00:00 UT 03 23 25.1 +20 23 01 2.447 2.192 63.5 24.5 256 12.7
2025-07-21 00:00 UT 03 25 04.6 +20 23 16 2.439 2.195 64.1 24.6 256 12.7
2025-07-22 00:00 UT 03 26 43.4 +20 23 22 2.431 2.198 64.7 24.7 256 12.7
2025-07-23 00:00 UT 03 28 21.5 +20 23 21 2.423 2.201 65.3 24.8 257 12.7
2025-07-24 00:00 UT 03 29 58.9 +20 23 11 2.415 2.203 65.8 24.9 257 12.6
2025-07-25 00:00 UT 03 31 35.6 +20 22 53 2.407 2.206 66.4 25.0 257 12.6
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.