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Comet C/2019 D1 (Flewelling)

Available Resources

Comet C/2019 D1 (Flewelling) Sky Charts and Coordinates

This is a simplified sky chart, showing where Comet C/2019 D1 (Flewelling) is now with respect to the brightest stars and constellations.

More advanced sky charts are available on TheSkyLive for this object: 1) the Online Planetarium which is interactive and allows to select dates and additional objects to visualize; and 2) the Live Position and Data Tracker which provides the highest precision position data and features deep sky imagery from the Digitized Sky Survey.

Comet C/2019 D1 (Flewelling) in Pegasus on April, 25 2019
High Precision Live Sky Chart
 = visible to the naked eye
 = binocular, brighter than 10th magnitude
= current altitude ≥ 30°   = current altitude < 30°   = below the horizon
Location: Greenwich, United Kingdom [change]
21h 19m 36s
+14° 00’ 47”

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 behvior 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.

Comet C/2019 D1 (Flewelling) Rise and Set Times

Today's Comet C/2019 D1 (Flewelling) rise, transit and set times from Greenwich, United Kingdom [change]. All times are relative to the Europe/London timezone.

Azimuth: 75.6°
Max altitude: 52.5°
Azimuth: 284.2°

Comet C/2019 D1 (Flewelling) Orbit Diagram

This 3d orbit diagram is a feature of our 3D Solar System Simulator and shows the orbit of Comet C/2019 D1 (Flewelling) with respect of the Sun and the orbits of the major planets. The position of Comet C/2019 D1 (Flewelling) 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!

Orbit Diagram of Comet C/2019 D1 (Flewelling)
View Comet C/2019 D1 (Flewelling) in the 3D Solar System Simulator

Comet C/2019 D1 (Flewelling) Ephemeris

The following table lists the ephemerides of Comet C/2019 D1 (Flewelling) computed for the past and next 7 days, with a 24 hours interval. Click on each row of the table to locate Comet C/2019 D1 (Flewelling) in our Online Planetarium at the chosen date.

Date Right AscensionR.A. DeclinationDec. MagnitudeMag Constellation
2019 Apr 18 20h 58m 57s +10° 08’ 12” 15.91 Equuleus
2019 Apr 19 21h 01m 46s +10° 40’ 01” 15.89 Equuleus
2019 Apr 20 21h 04m 36s +11° 11’ 54” 15.87 Equuleus
2019 Apr 21 21h 07m 27s +11° 43’ 50” 15.85 Equuleus
2019 Apr 22 21h 10m 18s +12° 15’ 46” 15.84 Equuleus
2019 Apr 23 21h 13m 08s +12° 47’ 44” 15.82 Equuleus
2019 Apr 24 21h 15m 57s +13° 19’ 41” 15.81 Pegasus
2019 Apr 25 21h 18m 47s +13° 51’ 38” 15.79 Pegasus
2019 Apr 26 21h 21m 37s +14° 23’ 35” 15.78 Pegasus
2019 Apr 27 21h 24m 26s +14° 55’ 30” 15.77 Pegasus
2019 Apr 28 21h 27m 16s +15° 27’ 20” 15.75 Pegasus
2019 Apr 29 21h 30m 06s +15° 59’ 08” 15.74 Pegasus
2019 Apr 30 21h 32m 54s +16° 30’ 51” 15.73 Pegasus
2019 May 01 21h 35m 44s +17° 02’ 30” 15.72 Pegasus

Distance of Comet C/2019 D1 (Flewelling) from Earth

The following chart shows the distance of Comet C/2019 D1 (Flewelling) from Earth as a function of time. Distance data is measured in Astronomical Units and sampled with a 2 days interval.

The reported distances might be inaccurate around the times of closest approach for objects passing extremely close to Earth. The value of the distance of C/2019 D1 (Flewelling) is also available as a real time updated value in the Live Position and Data Tracker.

Distance of Comet C/2019 D1 (Flewelling) from Earth between January 2013 and December 2100

Light Curve of Comet C/2019 D1 (Flewelling)

The following chart is the predicted light curve (visual magnitude as a function of time) of Comet C/2019 D1 (Flewelling), 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 C/2019 D1 (Flewelling) between January 2013 and December 2100

Comet C/2019 D1 (Flewelling) Orbital Elements

The following table lists the orbital elements of Comet C/2019 D1 (Flewelling) at epoch 09 March 2019 00:00 UTC (JD: 2458552.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 0.98532656
Orbit inclination i 34.09965893°
Perihelion distance q 1.57658729 AU
235,854,102 km
Aphelion distance Q 213.31336529 AU
31,911,225,303 km
Semi-major axis a 107.44497629 AU
16,073,539,702 km
Orbital period period 1,113.7500 years
406,796.8660 days
Date of perihelion transit Tp 2019-May-11 22:13:48
2,458,615.4263 JD
Argument of perihelion peri 70.529704366738°
Longitude of the ascending node node 231.70321306166°
Mean anomaly M 359.94431262395°
Mean motion n 0.00088496°/day
Closest approach to Earth* 2019-Sep-10
Distance of closest approach* 1.52064309 AU
227,484,969 km

* NOTE: values for the closest approach are computed for the time interval between 2013-Jan-01 and 2100-Dec-31, with a sampling interval of 1 day.