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- Seen here on November 12, 2015, during its last apparition, Comet 67P/Churyumov-Gerasimenko returns in late 2021 for another go-round.
skyandtelescope.org/astronomy-news/comet-watch-2021/
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Can you see a comet in December 2021?
What is Comet c/2021 A1 (Leonard)?
Which is the brightest comet to see in 2021?
When will a comet c/2021 A1 reach perihelion?
Is Comet Leonard the brightest comet in 2021?
How close was Comet Leonard to Earth in 2021?
Mar 2, 2021 · The newfound comet C/2021 A1 (Leonard) will make its closest approach to Earth on Dec. 12, 2021. (Image credit: NASA/JPL) A new comet is on its way in toward the sun, with prospects that it...
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A small asteroid about as far away as the moon moves across...
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Dec 13, 2021 · There is a new comet in town, and December is your only chance to see it before it disappears forever. Astronomers say that Comet Leonard is our best and brightest comet to see in 2021.
After perihelion, the comet will be ejected from the Solar System. The barycentric orbit will remain hyperbolic after September 2022. [2] On 12 December 2021 the comet was 0.233 AU (34.9 million km) from Earth and on 18 December 2021 it was 0.0285 AU (4.26 million km) from Venus. [3]
- Comet Leonard
- Additional Information
- Distance from Earth
- Closest Approach
- Light Curve
- 15 Days Ephemeris
- Additional Resources
Comet Leonard (C/2021 A1) is in the constellation of Scorpius, at a distance of 1,690,355,955.0 kilometers from Earth. The current Right Ascension is 16h 05m 16s and the Declination is -08° 56’ 08” (apparent coordinates). The predicted magnitude of Comet Leonard (C/2021 A1) is 22.37 (data provided by JPL Horizons).
The observed values of Magnitude, Coma Diameter and Tail Length are derived from the most recent observation recorded at the Comet Observers Database. The value of Predicted Magnitude comes from the JPL Horizonsephemerides service and, in the case of comets, might be inaccurate given the highly dynamic and unpredictable behavior of these objects. W...
The distance of Comet Leonard (C/2021 A1) from Earth is currently 1,690,355,955.0 kilometers, equivalent to 11.2993316488 Astronomical Units. Light takes 1h 33m 58.421sto travel from Comet Leonard (C/2021 A1) and arrive to us. The following chart shows the distance of Comet Leonard (C/2021 A1) from Earth as a function of time. In the chart the dist...
Between 1 January 2013 and 30 December 2100, the closest approach of Comet Leonard (C/2021 A1) to Earth happens on Mon Dec 13 2021 at a distance of 0.233994 Astronomical Units, or 35,005,002 kilometers: NOTE: values for the closest approach are computed with a sampling interval of 1 day.
The following chart is the predicted light curve (visual magnitude as a function of time) of Comet Leonard (C/2021 A1), according to the most recent ephemeridesdata. 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...
The following table lists the ephemeridesof Comet Leonard (C/2021 A1) computed for the past and next 7 days, with a 24 hours interval. Apparent celestial coordinates are provided.
Position and finder charts (see also Where is Comet Leonard (C/2021 A1)?)Distance from Earth (see also How far is Comet Leonard (C/2021 A1) from Earth?)Brightness (see also How bright is Comet Leonard (C/2021 A1)?)Now. +1 day. +1 week. +1 month. 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.
Dec 20, 2021 · Bottom line: Comet Leonard (C/2021 A1) – discovered on January 3, 2021 – is heading inward toward its January 3, 2022, perihelion. It still might become the brightest comet of 2021!
From February 2021 to mid November 2021 the comet will continue to move within the boundaries of the Ursa Major constellation. On December 1st, Comet Leonard will be located in the Coma Berenices constellation and, based on existing raw estimates, might be as bright as magnitude 4.
