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Sky-Tonight.com / Asteroids / Unitas
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Observation Settings

Or select it on the map:
This Earth map lets you select the observer’s location used to calculate the bearing and elevation of celestial objects. The selected point determines how the sky, rise and set times, and object positions are shown.
Your location: Santa Clara, United States
Timezone:
Latitude:
37.3541
Longitude:
-121.955

Observation details: asteroid Unitas

Unitas

Daily motion of Unitas


306 Unitas will remain visible until February 3, when it moves too close to the Sun and temporarily disappears from the night sky.

Unitas visibility on 2026-08-29

306 Unitas Visible from sunset until early morning

Unitas rise and set timetable

TimeElevation
Unitas rise16:44
Sunset17:4010°
Moonrise, 99.3% illuminated 17:5913°
Civil sunset18:0915°
Twilight start18:4020°
Astronomical observing session begins19:1424°
Unitas transit21:4936°
Unitas set02:54
Astronomical observing session ends03:03-2°
Moonset06:11-39°

Track Unitas Position Throughout the Night

← 29 August 2026 →

Elevation (degrees)
Time
Altitude
Azimuth
Shift the map to change the time and observe Unitas changing position in the night sky.

Unitas Description

This asteroid is designated 306 Unitas, main-belt asteroid Its diameter is approximately 48 km. 306 Unitas completes an orbit around the Sun in 3.6 years. It is currently 1.03 AU (154,048,407 km) from Earth, and is located in the constellation Capricornus.

Current position in the Solar System: Unitas

Earth Unitas
DateSat, 29 August 2026
Distance from Earth1.03192 AU (154,373,035km)
Elongation159°
Angular diameter"
Magnitude11
This interactive projection shows the object, Earth and the Sun in the Solar System. Slide it left or right to change the date and follow their orbital motion.

Finder Chart for Unitas

Double-click to unlock the map.
Object nameUnitas
Field of view
Limiting magnitude
Unitas coordinates21.19296, -16.99697
Center coordinates21.19296, -16.99697

Annual motion of Unitas

Time
DateSat, 29 August 2026
Twilight start19:09
Twilight end02:57
Twilight duration8h 48m
Rise16:44
Set02:53
Elevation at transit36°
Transit time21:48
Equatorial coordinatesRA: 21h 11m 00s", Dec: -17° 07' 53s
Magnitude11
ConstellationCapricornus
The graph summarizes the object’s annual visibility, daily observing windows and transit times.
The vertical axis shows time of day and the horizontal axis shows the days of the year.
The shaded area marks when the object is above the horizon; the white line marks daily transit. You can also view the detailed annual visibility table.

Astrometric and Physical Parameters of 306 Unitas

Coordinates and Visibility

Right Ascension21.19296°
Declination-16.99697°
Magnitude11
ConstellationCapricornus
Elevation-42.8°
Azimuth281.9°

Acknowledgments

Orbital and small-body data are provided by NASA Jet Propulsion Laboratory (JPL) Small-Body Database (SBDB) and Center for Near-Earth Object Studies (CNEOS). These resources support accurate positions, orbits and physical characteristics.