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A comprehensive list of bright and interesting comets visible today, updated with fresh data multiple times per day.
Jan 20, 2021 · Discovered at 15th magnitude on January 3rd in photos taken with NASA's NEOWISE space telescope, the comet will reach perihelion on the 22nd and pass closest to the Earth on February 3rd at a distance of 0.5 a.u. NEOWISE is expected to reach a peak brightness of magnitude 10 in mid-February and then fade.
- 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)?)4 days ago · Closest approach to Earth: December 9, 2024 (mag 10) Where to observe: Both hemispheres. Visibility forecast: In November 2024, the comet might become visible through large binoculars or a small telescope. Description: 333P/LINEAR is a Jupiter family periodic comet discovered by the LINEAR project in 2007.
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!
Dec 13, 2021 · This NASA sky map shows the location of Comet Leonard in the night sky from Dec. 14 to Dec. 25 in 2021. (Image credit: NASA/JPL-Caltech) On Sunday (tonight), Comet Leonard can be...
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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.
