|
(11) Parthenope |
| ephemeris |
date |
magn |
radius |
delta |
ra |
dec |
elong |
phase |
| Today | 3 Sep 2026 | 12.1 | 2.569 AU | 3.414 AU | 12h35m | -00°09' | 28.2° | 10.7° |
| Opposition | 30 Jun 2027 | 9.2 | 2.261 AU | 1.246 AU | 18h38m | -19°20' | 176.1° | 1.8° |
(11) Parthenope - 2026-09-03
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 Parthenope are:
e (Eccentricity) : 0.1008882
a (Semimajor axis) : 2.4522592
i (Inclination) : 4.63618
Ω (Longitude of ascending node) : 125.46946
ω (Argument of perihelion) : 196.45557
M (Mean anomaly) : 224.94245
Epoch : 2026 Jun 09
L (Longitude of perihelion) : 141.87409
B (Latitude of perihelion) : -1.31198
P (Orbital period in years) : 3.84
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
2026-09-03 00:00 UT 12 35 10.8 +00 09 32 3.414 2.569 28.2 10.7 107 12.1
2026-09-03 22:14 UT 12 36 37.3 +00 18 54 3.418 2.568 27.7 10.5 107 12.1
2026-09-04 00:00 UT 12 36 44.2 +00 19 39 3.418 2.568 27.6 10.5 107 12.1
2026-09-05 00:00 UT 12 38 17.8 +00 29 47 3.423 2.567 27.1 10.3 107 12.1
2026-09-06 00:00 UT 12 39 51.7 +00 39 55 3.428 2.566 26.5 10.1 106 12.1
2026-09-07 00:00 UT 12 41 25.7 +00 50 03 3.432 2.565 26.0 9.9 106 12.1
2026-09-08 00:00 UT 12 43 00.1 -01 00 12 3.437 2.564 25.5 9.7 106 12.1
2026-09-09 00:00 UT 12 44 34.6 -01 10 22 3.441 2.563 24.9 9.5 106 12.1
2026-09-10 00:00 UT 12 46 09.4 -01 20 31 3.445 2.562 24.4 9.3 106 12.1
2026-09-11 00:00 UT 12 47 44.4 -01 30 41 3.449 2.561 23.9 9.2 105 12.1
2026-09-12 00:00 UT 12 49 19.6 -01 40 50 3.453 2.560 23.3 9.0 105 12.1
2026-09-13 00:00 UT 12 50 55.0 -01 51 00 3.457 2.559 22.8 8.8 105 12.1
2026-09-14 00:00 UT 12 52 30.7 -02 01 10 3.461 2.558 22.3 8.6 105 12.1
2026-09-15 00:00 UT 12 54 06.5 -02 11 19 3.464 2.557 21.7 8.4 104 12.0
2026-09-16 00:00 UT 12 55 42.6 -02 21 29 3.468 2.556 21.2 8.2 104 12.0
2026-09-17 00:00 UT 12 57 18.9 -02 31 38 3.471 2.555 20.7 8.0 104 12.0
2026-09-18 00:00 UT 12 58 55.5 -02 41 47 3.475 2.554 20.1 7.8 104 12.0
2026-09-19 00:00 UT 13 00 32.2 -02 51 56 3.478 2.553 19.6 7.6 103 12.0
2026-09-20 00:00 UT 13 02 09.1 -03 02 04 3.481 2.553 19.1 7.4 103 12.0
2026-09-21 00:00 UT 13 03 46.3 -03 12 12 3.484 2.552 18.5 7.2 103 12.0
2026-09-22 00:00 UT 13 05 23.6 -03 22 19 3.486 2.551 18.0 7.0 102 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.
