(25) Phocaea |
ephemeris |
date |
magn |
radius |
delta |
ra |
dec |
elong |
phase |
Today | 16 Oct 2025 | 11.8 | 2.445 AU | 1.658 AU | 04h36m | +11°46' | 132.5° | 17.5° |
Opposition | 22 Nov 2025 | 11.4 | 2.545 AU | 1.581 AU | 04h06m | +04°29' | 163.9° | 6.2° |
(25) Phocaea - 2025-10-16
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) : 0.2540340
a (Semimajor axis) : 2.4002954
i (Inclination) : 21.60663
Ω (Longitude of ascending node) : 214.08841
ω (Argument of perihelion) : 90.23190
M (Mean anomaly) : 89.19817
Epoch : 2025 Nov 21
L (Longitude of perihelion) : 124.33784
B (Latitude of perihelion) : 21.60644
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
2025-10-16 00:00 UT 04 36 10.5 +11 46 58 1.658 2.445 132.5 17.5 271 11.8
2025-10-16 17:44 UT 04 35 54.2 +11 38 19 1.653 2.447 133.3 17.2 272 11.8
2025-10-17 00:00 UT 04 35 48.2 +11 35 15 1.651 2.447 133.6 17.2 272 11.8
2025-10-18 00:00 UT 04 35 24.0 +11 23 27 1.645 2.450 134.6 16.8 272 11.8
2025-10-19 00:00 UT 04 34 58.0 +11 11 34 1.639 2.453 135.7 16.5 273 11.8
2025-10-20 00:00 UT 04 34 30.1 +10 59 37 1.634 2.456 136.7 16.1 273 11.8
2025-10-21 00:00 UT 04 34 00.4 +10 47 36 1.628 2.458 137.8 15.8 274 11.7
2025-10-22 00:00 UT 04 33 29.0 +10 35 32 1.623 2.461 138.9 15.4 275 11.7
2025-10-23 00:00 UT 04 32 55.8 +10 23 25 1.618 2.464 139.9 15.1 275 11.7
2025-10-24 00:00 UT 04 32 20.9 +10 11 16 1.613 2.467 141.0 14.7 276 11.7
2025-10-25 00:00 UT 04 31 44.3 +09 59 04 1.608 2.469 142.1 14.3 277 11.7
2025-10-26 00:00 UT 04 31 06.0 +09 46 50 1.604 2.472 143.1 14.0 278 11.7
2025-10-27 00:00 UT 04 30 26.1 +09 34 35 1.599 2.475 144.2 13.6 278 11.6
2025-10-28 00:00 UT 04 29 44.7 +09 22 19 1.595 2.478 145.3 13.2 279 11.6
2025-10-29 00:00 UT 04 29 01.8 +09 10 03 1.591 2.480 146.3 12.8 280 11.6
2025-10-30 00:00 UT 04 28 17.3 +08 57 46 1.588 2.483 147.4 12.4 281 11.6
2025-10-31 00:00 UT 04 27 31.4 +08 45 30 1.585 2.486 148.4 12.1 283 11.6
2025-11-01 00:00 UT 04 26 44.2 +08 33 15 1.582 2.488 149.5 11.7 284 11.6
2025-11-02 00:00 UT 04 25 55.6 +08 21 01 1.579 2.491 150.5 11.3 285 11.5
2025-11-03 00:00 UT 04 25 05.7 +08 08 49 1.576 2.494 151.5 10.9 286 11.5
2025-11-04 00:00 UT 04 24 14.7 +07 56 40 1.574 2.496 152.6 10.5 288 11.5
2025-11-05 00:00 UT 04 23 22.4 +07 44 33 1.572 2.499 153.6 10.2 290 11.5
2025-11-06 00:00 UT 04 22 29.0 +07 32 29 1.570 2.502 154.5 9.8 291 11.5
2025-11-07 00:00 UT 04 21 34.6 +07 20 30 1.569 2.504 155.5 9.4 293 11.5
2025-11-08 00:00 UT 04 20 39.2 +07 08 34 1.567 2.507 156.4 9.1 295 11.5
2025-11-09 00:00 UT 04 19 42.8 +06 56 44 1.566 2.510 157.3 8.8 298 11.4
2025-11-10 00:00 UT 04 18 45.6 +06 44 59 1.566 2.512 158.2 8.4 300 11.4
2025-11-11 00:00 UT 04 17 47.5 +06 33 20 1.565 2.515 159.0 8.1 303 11.4
2025-11-12 00:00 UT 04 16 48.8 +06 21 47 1.565 2.518 159.8 7.8 305 11.4
2025-11-13 00:00 UT 04 15 49.3 +06 10 21 1.565 2.520 160.6 7.5 308 11.4
2025-11-14 00:00 UT 04 14 49.2 +05 59 03 1.566 2.523 161.3 7.2 312 11.4
2025-11-15 00:00 UT 04 13 48.6 +05 47 53 1.566 2.526 161.9 7.0 315 11.4
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.