C/2024 G3 (ATLAS) |
ephemeris |
date |
magn |
radius |
delta |
ra |
dec |
elong |
phase |
PA |
Today | 9 May 2024 | 18.4 | 4.265 AU | 3.721 AU | 16h53m | -79°53' | 116.3° | 12.2° | 331° |
Perihelion | 13 Jan 2025 | 0.6 | 0.094 AU | 0.940 AU | 19h40m | -16°31' | 4.9° | 115.2° | 1° |
Nearest approach | 13 Jan 2025 | 0.7 | 0.098 AU | 0.937 AU | 19h52m | -16°52' | 5.1° | 115.8° | 28° |
Please be aware that cometary behaviour is difficult to predict by nature.
Predictions on this page are based on standard models and the latest observations available to me, and will gradually improve with time.
The ability of comets to either disappoint or pleasantly surprise us, is one of many things that make them so interesting.
C/2024 G3 (ATLAS)- 2024-05-09
astro.vanbuitenen.nl
The interactive orbit chart above shows the comet'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 C/2024 G3 (ATLAS) are:
e (Eccentricity) : 1.0000350
q (Perihelion distance) : 0.0935320
i (Inclination) : 116.86840
Ω (Longitude of ascending node) : 220.30430
ω (Argument of perihelion) : 108.10480
L (Longitude of perihelion) : 274.42168
B (Latitude of perihelion) : 57.98198
T (Time of perihelion passage) : 2460688.89550
Epoch : 2024 May 08
Reference : MPEC 2024-JC2
Classification(s): : Nearly isotropic; New (a > 10000 AU); Sunskirter
The light curve chart below shows the estimated development of the comet's magnitude. Blue and black dots are visual and photometric CCD observations respectively from COBS or the MPC.
The light curve is estimated based on previous apparitions. (10.00 + 5 log[∆] + 8.75 log[r]). The additional green curve shows the effect of forward scattering, occurring when the comet is between the earth and the sun, for a gas-to-dust light ratio δ90 of 0.30. (See Marcus 2007)
The all-sky chart below shows the path of the comet over the same period as the light curve. The comet's current position is marked yellow.
The following chart shows the short-term path of the comet in a field of view that is optimized for (~10x50) binoculars and finderscopes.
A more printer-friendly version of the same chart can be found further down this page as well.
The following chart shows the current location of the comet in a smaller, upside-down telescopic field of view.
A printable version of the short-term path of the comet in a field of view that is optimized for (~10x50) binoculars and finderscopes.
Ephemerides:
Date Time RA (2000) DEC (2000) delta radius elong phase PA magn
2024-05-09 00:00 UT 16 54 36.6 -79 51 47 3.725 4.268 116.3 12.2 330 18.4
2024-05-09 05:38 UT 16 53 22.8 -79 53 10 3.721 4.265 116.3 12.2 331 18.4
2024-05-10 00:00 UT 16 49 17.8 -79 57 31 3.708 4.257 116.6 12.2 333 18.3
2024-05-11 00:00 UT 16 43 47.6 -80 02 45 3.690 4.245 117.0 12.2 335 18.3
2024-05-12 00:00 UT 16 38 06.5 -80 07 28 3.673 4.233 117.3 12.2 338 18.3
2024-05-13 00:00 UT 16 32 15.0 -80 11 38 3.657 4.221 117.7 12.2 341 18.3
2024-05-14 00:00 UT 16 26 13.8 -80 15 14 3.640 4.210 118.0 12.2 343 18.3
2024-05-15 00:00 UT 16 20 03.6 -80 18 13 3.624 4.198 118.3 12.2 346 18.2
2024-05-16 00:00 UT 16 13 45.3 -80 20 34 3.608 4.186 118.6 12.2 349 18.2
2024-05-17 00:00 UT 16 07 19.9 -80 22 17 3.592 4.174 118.8 12.3 351 18.2
2024-05-18 00:00 UT 16 00 48.4 -80 23 18 3.576 4.163 119.1 12.3 354 18.2
2024-05-19 00:00 UT 15 54 12.0 -80 23 38 3.561 4.151 119.3 12.3 357 18.2
Terminology:
delta: distance between comet and earth in AU
radius: distance between comet 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-comet)
phase: phase angle in degrees (angle sun-comet-earth)
AU: Astronomical Unit (mean distance between earth and sun: 149597870.7 km
Orbital elements usually provided by the MPC (Minor Planet Center).
Observations contributed by observers worldwide, via COBS (Comet Observation Database) or 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.