|
(494999) 2010 JU39 |
| ephemeris |
date |
magn |
radius |
delta |
ra |
dec |
elong |
phase |
| Today | 9 Feb 2026 | 22.5 | 1.265 AU | 1.294 AU | 17h24m | +10°46' | 65.8° | 45.3° |
(494999) 2010 JU39 - 2026-02-09
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 2010 JU39 are:
e (Eccentricity) : 0.5460131
a (Semimajor axis) : 0.9191390
i (Inclination) : 36.21576
Ω (Longitude of ascending node) : 95.15951
ω (Argument of perihelion) : 311.38090
M (Mean anomaly) : 21.50942
Epoch : 2025 Nov 21
L (Longitude of perihelion) : 52.67769
B (Latitude of perihelion) : -26.31568
P (Orbital period in years) : 0.88
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
2026-02-09 00:00 UT 17 24 22.7 +10 46 26 1.294 1.265 65.8 45.3 292 22.5
2026-02-09 15:40 UT 17 25 36.8 +10 49 58 1.292 1.269 66.1 45.3 291 22.5
2026-02-10 00:00 UT 17 26 16.1 +10 51 52 1.292 1.271 66.2 45.3 291 22.5
2026-02-11 00:00 UT 17 28 08.4 +10 57 25 1.290 1.276 66.6 45.3 291 22.5
2026-02-12 00:00 UT 17 29 59.7 +11 03 05 1.287 1.280 67.0 45.2 290 22.5
2026-02-13 00:00 UT 17 31 50.0 +11 08 53 1.285 1.285 67.4 45.2 290 22.5
2026-02-14 00:00 UT 17 33 39.1 +11 14 48 1.282 1.290 67.9 45.2 289 22.5
2026-02-15 00:00 UT 17 35 27.2 +11 20 50 1.279 1.295 68.3 45.1 289 22.5
2026-02-16 00:00 UT 17 37 14.3 +11 27 01 1.276 1.299 68.7 45.1 288 22.5
2026-02-17 00:00 UT 17 39 00.3 +11 33 19 1.273 1.304 69.1 45.1 288 22.5
2026-02-18 00:00 UT 17 40 45.2 +11 39 44 1.270 1.308 69.5 45.1 287 22.5
2026-02-19 00:00 UT 17 42 29.0 +11 46 17 1.266 1.312 70.0 45.0 287 22.5
2026-02-20 00:00 UT 17 44 11.7 +11 52 58 1.263 1.317 70.4 45.0 287 22.5
2026-02-21 00:00 UT 17 45 53.4 +11 59 47 1.259 1.321 70.8 45.0 286 22.5
2026-02-22 00:00 UT 17 47 33.9 +12 06 43 1.255 1.325 71.2 45.0 286 22.5
2026-02-23 00:00 UT 17 49 13.3 +12 13 47 1.251 1.329 71.7 45.0 285 22.5
2026-02-24 00:00 UT 17 50 51.7 +12 20 58 1.247 1.333 72.1 45.0 285 22.5
2026-02-25 00:00 UT 17 52 28.9 +12 28 18 1.242 1.336 72.6 45.0 284 22.5
2026-02-26 00:00 UT 17 54 05.1 +12 35 45 1.238 1.340 73.0 44.9 284 22.5
2026-02-27 00:00 UT 17 55 40.1 +12 43 19 1.233 1.344 73.5 44.9 283 22.5
2026-02-28 00:00 UT 17 57 14.0 +12 51 02 1.228 1.347 73.9 44.9 283 22.5
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.
