Asteroid 349 Dembowska (1892 T)
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 ). The current magnitude of Asteroid 349 Dembowska (1892 T) is 11.82 (JPL).
Today's rise, transit and set times of Asteroid 349 Dembowska (1892 T) from Greenwich, United Kingdom (all times relative to the local timezone Europe/London):
- 349 Dembowska is above the horizon from Greenwich, United Kingdom .
- 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
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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.
Field of view: 50x30 degrees
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Field of view: 10x6 degrees
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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.


Field of view: 60x40 arcmins
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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.
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.
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:
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.
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!
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 |