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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:02  
clear_day Transit: 12:47  
SunsetSet: 18:32 south
sunny DaytimeWhat's Visible Now
Dwarf Planets and Asteroids » 

Asteroid 349 Dembowska (1892 T)

Altitude: 42.8°   Azimuth: 115.8°   Direction: East-South-East

Asteroid 349 Dembowska is a main-belt asteroid that was discovered on February 9, 1892, by Max Wolf at the Heidelberg Observatory in Germany. It is named after the Polish astronomer, Anna Dembowska. This asteroid has an irregular shape with dimensions of 139.77±4.3 × 140 × 145.23±17.21 km, and a rotation period of 4.7 hours. Its surface is relatively bright and is composed of silicate minerals and some metallic nickel-iron. Dembowska has an orbital period of 4.32 years and a distance from the Sun of about 2.4 astronomical units.

Asteroid 349 Dembowska (1892 T) is currently in the constellation of Leo. The current Right Ascension of Asteroid 349 Dembowska (1892 T) is 09h 59m 08s and the Declination is +19° 28’ 46” (topocentric coordinates computed for the selected location: Greenwich, United Kingdom edit_location_alt). The current magnitude of Asteroid 349 Dembowska (1892 T) is 11.82 (JPL).

09h 59m 08s
+19° 28’ 46”

Today's rise, transit and set times of Asteroid 349 Dembowska (1892 T) from Greenwich, United Kingdom edit_location_alt (all times relative to the local timezone Europe/London):

Azimuth: 70.5°
Max altitude: 58.0°
Azimuth: 289.4°
  • 349 Dembowska is above the horizon from Greenwich, United Kingdom edit_location_alt.
  • Right now it is placed in the East-South-East direction at an altitude of 43° above the horizon.
  • Given its current magnitude, 349 Dembowska is visible with the help of a telescope having an aperture of 4 inches (100mm) or more.
  • 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.

Available Resources

Asteroid 349 Dembowska (1892 T) Position and Finder Charts

Below we provide Asteroid 349 Dembowska (1892 T) finder charts showing where the object is right now in the sky with respect to the brightest stars. The first finder chart has a field of view of 50 degrees, while the second one has a field of view of 10 degrees. Click on each finder chart to access a full screen interactive Online Planetarium.

Finder chart of 349 Dembowska in Leo on October,03 2023
Map showing Asteroid 349 Dembowska (1892 T) in Leo on October, 03 2023
Field of view: 50x30 degrees
View fullscreen
Finder chart of 349 Dembowska
Map showing Asteroid 349 Dembowska (1892 T) in Leo on October, 03 2023
Field of view: 10x6 degrees
View fullscreen

Higher precision deep sky finder chart, 60 arcmin wide, showing where Asteroid 349 Dembowska (1892 T) is right now. Click on the image to see a more detailed fullscreen tracker view.

349 Dembowska
RA: 09h 59m 08s
Dec: +19° 28’ 46”
Deep sky finder chart for Asteroid 349 Dembowska (1892 T)
Field of view: 60x40 arcmins
View fullscreen

Also check out Where is Asteroid 349 Dembowska (1892 T)?, a page that provides all the information needed to find Asteroid 349 Dembowska (1892 T) in the sky and additional links to sky charts.

Asteroid 349 Dembowska (1892 T) Distance from Earth

The distance of Asteroid 349 Dembowska (1892 T) from Earth is currently 544,614,266 kilometers, equivalent to 3.640522 Astronomical Units. Light takes 30 minutes and 16.6376 seconds to travel from Asteroid 349 Dembowska (1892 T) and arrive to us.

30 minutes and 16.6376 seconds

The following chart shows the distance of Asteroid 349 Dembowska (1892 T) 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 Asteroid 349 Dembowska (1892 T) 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 349 Dembowska from Earth is also available as a real time updated value in the Live Position and Data Tracker.

Closest Approach of Asteroid 349 Dembowska (1892 T) to Earth

Between 1 January 1900 and 31 December 2099, the closest approach of Asteroid 349 Dembowska (1892 T) to Earth happens on Wed Nov 24 2077 at a distance of 1.740168 Astronomical Units, or 260,325,416 kilometers:

Wed Nov 24 2077

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

Asteroid 349 Dembowska (1892 T) Brightness and Light Curve

The following chart is the predicted light curve (visual magnitude as a function of time) of Asteroid 349 Dembowska (1892 T), 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 Asteroid 349 Dembowska (1892 T) as a function of time

Asteroid 349 Dembowska (1892 T) Orbital Elements

The following table lists the orbital elements of Asteroid 349 Dembowska (1892 T) at epoch 24 February 2023 00:00 UTC (JD: 2460000.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 0.08945363
Orbit inclination i 8.25090113°
Perihelion distance q 2.66158113 AU
398,166,870 km
Aphelion distance Q 3.18453765 AU
476,400,053 km
Semi-major axis a 2.92305939 AU
437,283,461 km
Orbital period period 4.9976 years
1,825.3867 days
Date of perihelion transit Tp 2022-Apr-16 19:25:36
2,459,686.3094 JD
Next perihelion transit 2027-Apr-16 04:42
2,461,511.6962 JD
Argument of perihelion peri 344.31385486018°
Longitude of the ascending node node 32.192410931239°
Mean anomaly M 61.964184619407°
Mean motion n 0.19721848°/day

Visualization of Asteroid 349 Dembowska (1892 T) Orbit

This 3d orbit diagram is a feature of our 3D Solar System Simulator and shows the orbit of Asteroid 349 Dembowska (1892 T) with respect of the Sun and the orbits of the major planets. The position of Asteroid 349 Dembowska (1892 T) 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 Asteroid 349 Dembowska (1892 T)
View Asteroid 349 Dembowska (1892 T) in the 3D Solar System Simulator

Asteroid 349 Dembowska (1892 T) 15 Days Ephemeris

The following table lists the ephemerides of Asteroid 349 Dembowska (1892 T) computed for the past and next 7 days, with a 24 hours interval. Click on each row of the table to locate Asteroid 349 Dembowska (1892 T) in our Online Planetarium at the chosen date.

Date Right AscensionR.A. DeclinationDec. MagnitudeMag Constellation
2023 Sep 26 09h 49m 05s +20° 13’ 36” 11.82 Leo
2023 Sep 27 09h 50m 30s +20° 07’ 23” 11.82 Leo
2023 Sep 28 09h 51m 52s +20° 01’ 11” 11.82 Leo
2023 Sep 29 09h 53m 17s +19° 55’ 00” 11.82 Leo
2023 Sep 30 09h 54m 39s +19° 48’ 50” 11.82 Leo
2023 Oct 01 09h 56m 02s +19° 42’ 39” 11.82 Leo
2023 Oct 02 09h 57m 24s +19° 36’ 30” 11.82 Leo
2023 Oct 03 09h 58m 46s +19° 30’ 23” 11.82 Leo
2023 Oct 04 10h 00m 07s +19° 24’ 15” 11.82 Leo
2023 Oct 05 10h 01m 28s +19° 18’ 10” 11.82 Leo
2023 Oct 06 10h 02m 49s +19° 12’ 05” 11.82 Leo
2023 Oct 07 10h 04m 09s +19° 06’ 01” 11.82 Leo
2023 Oct 08 10h 05m 30s +18° 59’ 58” 11.82 Leo
2023 Oct 09 10h 06m 48s +18° 53’ 57” 11.81 Leo