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Comet 75D/Kohoutek (Lost)

Below the horizon.  Rise: 3:08 | Tran: 7:16 | Set: 11:25
Alt: -37.43°   Az: 74.69°   Direction: East-North-East

Comet 75D/Kohoutek (Lost) is in the constellation of Sagittarius, at a distance of 747,208,492.0 kilometers from Earth. The current Right Ascension is 19h 39m 38s and the Declination is -20° 10’ 55” (apparent coordinates). The predicted magnitude of Comet 75D/Kohoutek (Lost) is 21.06 (data provided by JPL Horizons).

Finder Charts

Map showing Comet 75D/Kohoutek (Lost) in Sagittarius on April, 12 2025. Field of view: 50x30 degrees
View interactive star map
Sky map showing Comet 75D/Kohoutek (Lost) in Sagittarius on April, 12 2025. Field of view: 15x9 degrees. View in interactive sky chart

High precision deep sky finder chart, 60 arcmin wide, showing where Comet 75D/Kohoutek (Lost) is right now. Click on the image to see a more detailed fullscreen tracker view.

75D/Kohoutek (Lost)
RA: 19h 38m 09s
Dec: -20° 14’ 27”
Deep sky finder chart for Comet 75D/Kohoutek (Lost). Field of view: 60x40 arcmins. View in deep sky object tracker

Also check out Where is Comet 75D/Kohoutek (Lost)?, a page that provides all the information needed to find Comet 75D/Kohoutek (Lost) in the sky and additional links to sky charts.

Celestial Coordinates

Apparent

19h 39m 38s
-20° 10’ 55”
15h 38m 45s
11h 18m 23s

J2000

19h 38m 09s
-20° 14’ 27”

Additional Information

Sagittarius
n/a
n/a
n/a
n/a
21.06

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 Horizons ephemerides service and, in the case of comets, might be inaccurate given the highly dynamic and unpredictable behavior of these objects. When available, please refer to the Observed Magnitude value and consider the Predicted 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.

Rise and Set Times

Today's rise, transit and set times of Comet 75D/Kohoutek (Lost) from Greenwich, UK (all times relative to the local timezone Europe/London):

Azimuth: 110.2°
Max altitude: 18.3°
Azimuth: 249.8°
  • 75D/Kohoutek (Lost) is below the horizon from Greenwich, UK.
  • Given its current magnitude, 75D/Kohoutek (Lost) is visible only through long exposure photography.
  • Go to interactive sky chart

If you need to access this information frequently for your observations, you can create a simple customized Quick Access page, so that you can easily bookmark it in your browser favorites or add a shortcut to your mobile phones' home screen.

Distance from Earth

The distance of Comet 75D/Kohoutek (Lost) from Earth is currently 747,208,492.0 kilometers, equivalent to 4.9947802633 Astronomical Units. Light takes 41m 32.419s to travel from Comet 75D/Kohoutek (Lost) and arrive to us.

747,208,492.0
4.9947802633
41m 32.419s

The following chart shows the distance of Comet 75D/Kohoutek (Lost) 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.

Chart of the distance of Comet 75D/Kohoutek (Lost) from Earth in Astronomical Units (au)

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 75D/Kohoutek (Lost) from Earth is also available as a real time updated value in the Live Position and Data Tracker.

Closest Approach

Between 1 January 2000 and 31 December 2099, the closest approach of Comet 75D/Kohoutek (Lost) to Earth happens on Thu Dec 28 2056 at a distance of 0.331356 Astronomical Units, or 49,570,221 kilometers:

Thu Dec 28 2056
49,570,221
0.331356

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

Light Curve

The following chart is the predicted light curve (visual magnitude as a function of time) of Comet 75D/Kohoutek (Lost), 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.

Chart of the magnitude of Comet 75D/Kohoutek (Lost) as a function of time

Orbital Elements

The following table lists the orbital elements of Comet 75D/Kohoutek (Lost) at epoch 16 June 1994 00:00 UTC (JD: 2449520.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 0.49630740
Orbit inclination i 5.90720926°
Perihelion distance q 1.78465694 AU
266,980,879 km
Aphelion distance Q 5.30163706 AU
793,113,617 km
Semi-major axis a 3.54314700 AU
530,047,248 km
Orbital period period 6.6695 years
2,436.0275 days
Date of perihelion transit Tp 1994-Jun-29 21:33:48
2,449,533.3985 JD
Next perihelion transit 2001-Feb-28 22:13
2,451,969.4260 JD
Argument of perihelion peri 175.80172466179°
Longitude of the ascending node node 269.68609454603°
Mean anomaly M 358.0938421757°
Mean motion n 0.14778158°/day

Orbit Visualization

Orbit Diagram of Comet 75D/Kohoutek (Lost)
View Comet 75D/Kohoutek (Lost) in the 3D Solar System Simulator

15 Days Ephemeris

The following table lists the ephemerides of Comet 75D/Kohoutek (Lost) computed for the past and next 7 days, with a 24 hours interval. Apparent celestial coordinates are provided.

Date Right AscensionR.A. DeclinationDec. MagnitudeMag Constellation
2025 Apr 05 19h 37m 03s -20° 21’ 55” 21.13 Sagittarius
2025 Apr 06 19h 37m 26s -20° 20’ 27” 21.12 Sagittarius
2025 Apr 07 19h 37m 47s -20° 19’ 00” 21.12 Sagittarius
2025 Apr 08 19h 38m 08s -20° 17’ 36” 21.11 Sagittarius
2025 Apr 09 19h 38m 27s -20° 16’ 12” 21.10 Sagittarius
2025 Apr 10 19h 38m 47s -20° 14’ 49” 21.09 Sagittarius
2025 Apr 11 19h 39m 05s -20° 13’ 28” 21.08 Sagittarius
2025 Apr 12 19h 39m 23s -20° 12’ 07” 21.07 Sagittarius
2025 Apr 13 19h 39m 40s -20° 10’ 49” 21.06 Sagittarius
2025 Apr 14 19h 39m 57s -20° 09’ 31” 21.05 Sagittarius
2025 Apr 15 19h 40m 12s -20° 08’ 15” 21.04 Sagittarius
2025 Apr 16 19h 40m 27s -20° 07’ 00” 21.04 Sagittarius
2025 Apr 17 19h 40m 41s -20° 05’ 47” 21.03 Sagittarius
2025 Apr 18 19h 40m 55s -20° 04’ 35” 21.02 Sagittarius

Additional Resources