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Comets » 

Comet 146P/Shoemaker-LINEAR

Above the horizon.  Circumpolar today
Alt: 21.21°   Az: 54.19°   Direction: North-East

Comet 146P/Shoemaker-LINEAR is in the constellation of Lynx, at a distance of 605,196,833.0 kilometers from Earth. The current Right Ascension is 08h 06m 43s and the Declination is +38° 31’ 18” (apparent coordinates). The predicted magnitude of Comet 146P/Shoemaker-LINEAR is 26.52 (data provided by JPL Horizons).

Finder Charts

Map showing Comet 146P/Shoemaker-LINEAR in Lynx on June, 13 2025. Field of view: 50x30 degrees
View interactive star map
Sky map showing Comet 146P/Shoemaker-LINEAR in Lynx on June, 13 2025. Field of view: 15x9 degrees. View in interactive sky chart

High precision deep sky finder chart, 60 arcmin wide, showing where Comet 146P/Shoemaker-LINEAR is right now. Click on the image to see a more detailed fullscreen tracker view.

146P/Shoemaker-LINEAR
RA: 08h 05m 01s
Dec: +38° 35’ 44”
Deep sky finder chart for Comet 146P/Shoemaker-LINEAR. Field of view: 60x40 arcmins. View in deep sky object tracker

Also check out Where is Comet 146P/Shoemaker-LINEAR?, a page that provides all the information needed to find Comet 146P/Shoemaker-LINEAR in the sky and additional links to sky charts.

Celestial Coordinates

Apparent

08h 06m 43s
+38° 31’ 18”
17h 00m 19s
01h 07m 03s

J2000

08h 05m 01s
+38° 35’ 44”

Additional Information

Lynx
n/a
n/a
n/a
n/a
26.52

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 146P/Shoemaker-LINEAR from Greenwich, UK (all times relative to the local timezone Europe/London):

Today Comet 146P/Shoemaker-LINEAR is circumpolar and transits at 14:38 UTC reaching a maximum altitude of 77.0°.
  • 146P/Shoemaker-LINEAR is above the horizon from Greenwich, UK.
  • Right now it is placed in the North-East direction at an altitude of 21.21° above the horizon.
  • Given its current magnitude, 146P/Shoemaker-LINEAR 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 146P/Shoemaker-LINEAR from Earth is currently 605,196,833.0 kilometers, equivalent to 4.0454909563 Astronomical Units. Light takes 33m 38.719s to travel from Comet 146P/Shoemaker-LINEAR and arrive to us.

605,196,833.0
4.0454909563
33m 38.719s

The following chart shows the distance of Comet 146P/Shoemaker-LINEAR 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 146P/Shoemaker-LINEAR 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 146P/Shoemaker-LINEAR 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 146P/Shoemaker-LINEAR to Earth happens on Tue Oct 21 2081 at a distance of 0.563913 Astronomical Units, or 84,360,181 kilometers:

Tue Oct 21 2081
84,360,181
0.563913

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 146P/Shoemaker-LINEAR, 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 146P/Shoemaker-LINEAR as a function of time

Orbital Elements

The following table lists the orbital elements of Comet 146P/Shoemaker-LINEAR at epoch 27 March 2022 00:00 UTC (JD: 2459666.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 0.64732474
Orbit inclination i 23.10862637°
Perihelion distance q 1.42160367 AU
212,668,883 km
Aphelion distance Q 6.64022452 AU
993,363,452 km
Semi-major axis a 4.03091410 AU
603,016,167 km
Orbital period period 8.0931 years
2,955.9953 days
Date of perihelion transit Tp 2024-Aug-05 08:59:23
2,460,527.8746 JD
Next perihelion transit 2032-Sep-08 08:52
2,463,483.8699 JD
Argument of perihelion peri 316.98900191297°
Longitude of the ascending node node 53.38016623504°
Mean anomaly M 255.09629976837°
Mean motion n 0.12178639°/day
2h1>Orbit Visualization
Orbit Diagram of Comet 146P/Shoemaker-LINEAR
View Comet 146P/Shoemaker-LINEAR in the 3D Solar System Simulator

15 Days Ephemeris

The following table lists the ephemerides of Comet 146P/Shoemaker-LINEAR 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 Jun 06 07h 54m 52s +39° 07’ 56” 26.32 Lynx
2025 Jun 07 07h 56m 30s +39° 02’ 58” 26.35 Lynx
2025 Jun 08 07h 58m 07s +38° 58’ 00” 26.38 Lynx
2025 Jun 09 07h 59m 45s +38° 53’ 01” 26.41 Lynx
2025 Jun 10 08h 01m 22s +38° 48’ 01” 26.43 Lynx
2025 Jun 11 08h 02m 58s +38° 43’ 00” 26.46 Lynx
2025 Jun 12 08h 04m 35s +38° 37’ 58” 26.49 Lynx
2025 Jun 13 08h 06m 12s +38° 32’ 55” 26.51 Lynx
2025 Jun 14 08h 07m 48s +38° 27’ 50” 26.54 Lynx
2025 Jun 15 08h 09m 25s +38° 22’ 45” 26.56 Lynx
2025 Jun 16 08h 11m 01s +38° 17’ 39” 26.59 Lynx
2025 Jun 17 08h 12m 36s +38° 12’ 31” 26.62 Lynx
2025 Jun 18 08h 14m 12s +38° 07’ 23” 26.64 Lynx
2025 Jun 19 08h 15m 48s +38° 02’ 14” 26.67 Lynx

Additional Resources on TheSkyLive