|
(364) Isara |
| ephemeris |
date |
magn |
radius |
delta |
ra |
dec |
elong |
phase |
| Today | 22 Oct 2025 | 14.9 | 2.446 AU | 3.424 AU | 13h22m | -04°03' | 9.0° | 3.6° |
| Opposition | 28 May 2026 | 13.2 | 2.546 AU | 1.537 AU | 16h28m | -15°31' | 173.8° | 2.5° |
(364) Isara - 2025-10-22
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 Isara are:
e (Eccentricity) : 0.1492100
a (Semimajor axis) : 2.2202422
i (Inclination) : 6.00618
Ω (Longitude of ascending node) : 105.50189
ω (Argument of perihelion) : 312.97938
M (Mean anomaly) : 135.53601
Epoch : 2025 Nov 21
L (Longitude of perihelion) : 58.63860
B (Latitude of perihelion) : -4.39037
P (Orbital period in years) : 3.31
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
2025-10-22 00:00 UT 13 22 27.7 -04 03 43 3.424 2.446 9.0 3.6 320 14.9
2025-10-22 18:30 UT 13 23 46.7 -04 11 30 3.423 2.446 9.4 3.8 319 14.9
2025-10-23 00:00 UT 13 24 10.2 -04 13 49 3.423 2.447 9.5 3.8 319 14.9
2025-10-24 00:00 UT 13 25 52.6 -04 23 52 3.422 2.448 10.0 4.0 317 14.9
2025-10-25 00:00 UT 13 27 35.0 -04 33 52 3.420 2.449 10.4 4.2 316 14.9
2025-10-26 00:00 UT 13 29 17.4 -04 43 50 3.419 2.450 10.9 4.4 315 14.9
2025-10-27 00:00 UT 13 30 59.8 -04 53 45 3.418 2.451 11.4 4.6 313 14.9
2025-10-28 00:00 UT 13 32 42.1 -05 03 37 3.416 2.452 11.9 4.8 312 14.9
2025-10-29 00:00 UT 13 34 24.4 -05 13 27 3.414 2.453 12.4 5.0 311 15.0
2025-10-30 00:00 UT 13 36 06.7 -05 23 14 3.412 2.455 13.0 5.2 310 15.0
2025-10-31 00:00 UT 13 37 49.0 -05 32 57 3.410 2.456 13.5 5.4 310 15.0
2025-11-01 00:00 UT 13 39 31.2 -05 42 38 3.408 2.457 14.0 5.6 309 15.0
2025-11-02 00:00 UT 13 41 13.5 -05 52 16 3.406 2.458 14.5 5.8 308 15.0
2025-11-03 00:00 UT 13 42 55.6 -06 01 50 3.404 2.459 15.0 6.0 307 15.0
2025-11-04 00:00 UT 13 44 37.8 -06 11 22 3.401 2.460 15.6 6.2 307 15.0
2025-11-05 00:00 UT 13 46 19.9 -06 20 51 3.398 2.461 16.1 6.4 306 15.0
2025-11-06 00:00 UT 13 48 02.0 -06 30 16 3.396 2.462 16.6 6.6 306 15.0
2025-11-07 00:00 UT 13 49 44.0 -06 39 39 3.393 2.463 17.2 6.8 305 15.0
2025-11-08 00:00 UT 13 51 26.0 -06 48 58 3.390 2.464 17.7 7.0 304 15.0
2025-11-09 00:00 UT 13 53 08.0 -06 58 14 3.387 2.465 18.2 7.2 304 15.1
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.
