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Comet 8P/Tuttle

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Comet 8P/Tuttle Position

Comet 8P/Tuttle is currently in the constellation of Cygnus. The current Right Ascension is 21h 16m 15s and the Declination is +30° 06’ 42”.

21h 16m 15s
+30° 06’ 42”

Simplified sky chart showing where Comet 8P/Tuttle is right now in the sky with respect to the brightest stars and constellations (see full screen Online Planetarium)

Map showing Comet 8P/Tuttle in Cygnus on April, 04 2020
Field of view: 60x30 degrees
View fullscreen
 = visible to the naked eye
 = binocular, brighter than 10th magnitude
= current altitude ≥ 30°   = current altitude < 30°   = below the horizon
Location: Greenwich, United Kingdom [change]

Higher precision deep sky finder chart showing where Comet 8P/Tuttle is right now (view fullscreen)

RA: 21h 16m 15s
Dec: +30° 06’ 42”
Deep sky finder chart for Comet 8P/Tuttle
Field of view: 60x40 arcmins
View fullscreen

Also check out Where is Comet 8P/Tuttle?, a page that provides all the information needed to find Comet 8P/Tuttle in the sky and additional links to sky charts.

Comet 8P/Tuttle Distance

The distance of Comet 8P/Tuttle from Earth is currently 846,540,360 kilometers, equivalent to 5.658773 Astronomical Units. Light takes 47 minutes and 3.7547 seconds to travel from Comet 8P/Tuttle and arrive to us.

47 minutes and 3.7547 seconds

The following chart shows the distance of Comet 8P/Tuttle from Earth as a function of time. In the chart the distance data is measured in Astronomical Units and sampled with an interval of 1 day.

Distance of Comet 8P/Tuttle from Earth between January 2013 and December 2100

The value of the reported distance might be somewhat inaccurate around the times of closest approach for objects passing extremely close to Earth. The value of the distance of 8P/Tuttle from Earth is also available as a real time updated value in the Live Position and Data Tracker.

Closest approach of Comet 8P/Tuttle to Earth

Between January 2013 and December 2100 the closest approach of Comet 8P/Tuttle to Earth happens on Mon Dec 28 2048 at a distance of 0.17536701 Astronomical Units, or 26,234,532 kilometers:

Mon Dec 28 2048

NOTE: values for the closest approach are computed with a sampling interval of 1 day.

Comet 8P/Tuttle brightness

The current visual magnitude of Comet 8P/Tuttle is 28.57.


The observed magnitude and coma diameter values are derived from the Comet Observers Database by averaging the values reported in recent observations (more recent than 4 days), when available. The Estimated Magnitude comes from the JPL Horizons ephemerides service and might be inaccurate given the highly dynamic and unpredictable behavior of comets. When available, please refer to the Observed Magnitude value and consider the Estimated Magnitude as a directional indication. We acknowledge with thanks the comet observations from the COBS Comet Observation Database contributed by observers worldwide and used in this table to report recent comet observations.

The following chart is the predicted light curve (visual magnitude as a function of time) of Comet 8P/Tuttle, according to the most recent ephemerides data. Magnitude data is sampled with a 2 days interval and there might be inaccuracies for objects changing brightness very rapidly during the course of a few days. For comets there could be large discrepancies between the observed and predicted brightness because of their highly dynamic behaviour.

Predicted magnitude of Comet 8P/Tuttle between January 2013 and December 2100

Comet 8P/Tuttle rise and set times

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's Comet 8P/Tuttle rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 59.9°
Max altitude: 68.5°
Azimuth: 300.1°
Comet 8P/Tuttle is below the horizon from Greenwich, United Kingdom

The rise and set times are defined as the time at which the upper limb of Comet 8P/Tuttle touches the horizon, considering the effect of the atmospheric refraction. As the atmospheric conditions cannot be modeled precisely the times reported here should be considered correct with an approximation of few minutes.

Comet 8P/Tuttle Orbital Elements

The following table lists the orbital elements of Comet 8P/Tuttle at epoch 30 September 2007 00:00 UTC (JD: 2454374.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 0.81979975
Orbit inclination i 54.98318484°
Perihelion distance q 1.02711659 AU
153,654,455 km
Aphelion distance Q 10.37260755 AU
1,551,720,007 km
Semi-major axis a 5.69986207 AU
852,687,231 km
Orbital period period 13.6100 years
4,970.4413 days
Date of perihelion transit Tp 2008-Jan-27 00:36:47
2,454,492.5256 JD
Next perihelion transit 2021-Sep-05 11:12
2,459,462.9668 JD
Argument of perihelion peri 207.50924597274°
Longitude of the ascending node node 270.34165200508°
Mean anomaly M 351.45162452903°
Mean motion n 0.07242818°/day

Visualization of Comet 8P/Tuttle Orbit

This 3d orbit diagram is a feature of our 3D Solar System Simulator and shows the orbit of Comet 8P/Tuttle with respect of the Sun and the orbits of the major planets. The position of Comet 8P/Tuttle and the planets along their orbits in this diagram accurately represents the current configuration of the objects in the Solar System. This is an experimental feature and it requires a WebGL enabled browser. Please provide us feedback!

Comet 8P/Tuttle 15 Days Ephemeris

The following table lists the ephemerides of Comet 8P/Tuttle computed for the past and next 7 days, with a 24 hours interval. Click on each row of the table to locate Comet 8P/Tuttle in our Online Planetarium at the chosen date.

Date Right AscensionR.A. DeclinationDec. MagnitudeMag Constellation
2020 Mar 28 21h 11m 18s +28° 54’ 55” 28.70 Cygnus
2020 Mar 29 21h 11m 57s +29° 03’ 43” 28.68 Cygnus
2020 Mar 30 21h 12m 36s +29° 12’ 37” 28.66 Cygnus
2020 Mar 31 21h 13m 14s +29° 21’ 35” 28.65 Cygnus
2020 Apr 01 21h 13m 51s +29° 30’ 38” 28.63 Cygnus
2020 Apr 02 21h 14m 29s +29° 39’ 45” 28.62 Cygnus
2020 Apr 03 21h 15m 06s +29° 48’ 56” 28.60 Cygnus
2020 Apr 04 21h 15m 42s +29° 58’ 11” 28.58 Cygnus
2020 Apr 05 21h 16m 18s +30° 07’ 32” 28.57 Cygnus
2020 Apr 06 21h 16m 54s +30° 16’ 55” 28.55 Cygnus
2020 Apr 07 21h 17m 30s +30° 26’ 24” 28.53 Cygnus
2020 Apr 08 21h 18m 06s +30° 35’ 57” 28.51 Cygnus
2020 Apr 09 21h 18m 41s +30° 45’ 33” 28.50 Cygnus
2020 Apr 10 21h 19m 14s +30° 55’ 14” 28.48 Cygnus