13P/Olbers |
ephemeris |
date |
magn |
radius |
delta |
ra |
dec |
elong |
phase |
PA |
Perihelion | 30 Jun 2024 | 6.5 | 1.175 AU | 1.938 AU | 08h28m | +42°23' | 30.1° | 25.7° | 59° |
Nearest approach | 20 Jul 2024 | 6.7 | 1.214 AU | 1.895 AU | 10h17m | +39°22' | 35.1° | 28.8° | 68° |
Today | 23 Dec 2024 | 15.7 | 2.676 AU | 3.611 AU | 17h15m | -14°40' | 15.5° | 5.6° | 306° |
13P/Olbers- 2024-12-23
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 13P/Olbers are:
e (Eccentricity) : 0.9303470
q (Perihelion distance) : 1.1754640
i (Inclination) : 44.66660
Ω (Longitude of ascending node) : 85.84670
ω (Argument of perihelion) : 64.41780
L (Longitude of perihelion) : 141.90094
B (Latitude of perihelion) : 39.35065
T (Time of perihelion passage) : 2460491.55390
P (Orbital period in years) : 69.33
Epoch : 2024 Dec 22
Reference : MPEC 2024-UQ8
Classification(s): : Nearly isotropic; Returning (a < 10000 AU); Halley type (P < 200 years)
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 manually by the author. (3.50 + 5 log[∆] + 22.00 log[r]).
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
2024-12-23 00:00 UT 17 14 00.5 -14 34 33 3.605 2.668 15.1 5.5 308 15.7
2024-12-23 19:07 UT 17 15 11.3 -14 40 12 3.611 2.676 15.5 5.6 306 15.7
2024-12-24 00:00 UT 17 15 29.4 -14 41 38 3.613 2.678 15.6 5.7 306 15.7
2024-12-25 00:00 UT 17 16 57.7 -14 48 36 3.620 2.689 16.1 5.8 304 15.7
2024-12-26 00:00 UT 17 18 25.5 -14 55 28 3.627 2.699 16.6 6.0 303 15.8
2024-12-27 00:00 UT 17 19 52.8 -15 02 14 3.634 2.710 17.1 6.1 301 15.8
2024-12-28 00:00 UT 17 21 19.6 -15 08 54 3.641 2.720 17.7 6.3 300 15.9
2024-12-29 00:00 UT 17 22 45.9 -15 15 27 3.647 2.731 18.2 6.5 299 15.9
2024-12-30 00:00 UT 17 24 11.6 -15 21 55 3.654 2.741 18.8 6.6 297 15.9
2024-12-31 00:00 UT 17 25 36.8 -15 28 16 3.660 2.752 19.4 6.8 296 16.0
2025-01-01 00:00 UT 17 27 01.5 -15 34 33 3.666 2.762 19.9 7.0 295 16.0
2025-01-02 00:00 UT 17 28 25.6 -15 40 43 3.672 2.772 20.5 7.1 294 16.1
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.