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Sky-Tonight.com / Asteroids / 51 Nemausa
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Observation Settings

Or select it on the map:
This Earth map fragment is intended to illustrate celestial motion across the sky, emphasizing both bearing and elevational perspectives. The map's center point corresponds to the transit, showcasing celestial objects at their highest point, while elevation gradually decreases towards the map edges. This dynamic representation offers insights into the changing positions of celestial bodies with a focus on their bearing and elevational trajectories.
Your location: Santa Clara, United States
Timezone:
Latitude:
37.3541
Longitude:
-121.955

Asteroid 51 Nemausa Observation Details

Nemausa

Nemausa Daily Motion

Tonight, observing Nemausa may prove challenging owing to its low elevation. It will reach its transit at by 08:15 and set before sunset at 13:38. Rising near twilight's end at 02:50, it will fade away by 03:30, peaking at just 8° above the horizon.
51 Nemausa will become visible in January, 26. After being too close to the Sun to observe, it will reappear in the night sky. Starting from January, 26, 51 Nemausa can be seen again, providing a good opportunity for observation.

Nemausa Visibility Timetable on November 30

Nemausa Rise and Set Timetable

TimeElevation
Nemausa transit08:1541°
Moon Rise, 67.1% illuminated11:2124°
Nemausa set13:38
Astrosession begin16:22-32°
Moon Set23:56-34°
Nemausa rise02:50
Astrosession end03:308°
Civil sunrise04:3419°
Sunrise05:0424°

Track Nemausa Position Throughout the Night

← Sun, 30 November 2025 →

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

Nemausa Description

Nemausa, designated as 51 Nemausa, is a main-belt asteroid, located between Mars and Jupiter in the solar system. With a diameter of 138 km, 51 Nemausa completes its orbit around the Sun in 3.6 years. At the moment, 51 Nemausa is 3.072 AU (459,564,659 km) from Earth, and it is located in the constellation Libra.

Current position of Nemausa in Solar System

Earth Nemausa
DateSun, 30 November 2025
Distance from Earth to Nemausa3.072 AU (459,564,659km)
Elongation26°
Angular diameter"
Magnitude12.67
This section provides an interactive projection of the solar system, illustrating the relative positions of Nemausa, Earth, and the Sun throughout the year. By sliding the image left or right, you can change the day of the year, observing how the positions of Nemausa and Earth shift in their orbits around the Sun.

Finder Chart for Nemausa

Double-click to unlock the map.
Object name51 Nemausa
Field of view
Limiting magnitude
51 Nemausa coordinates14.730069208143, -11.480893551303
Center coordinates14.730069208143, -11.480893551303

Annual motion of Nemausa

Time
DateMon, 1 December 2025
Twighlight start16:18
Twighlight end03:24
Twighlight duration11h 6m
Rise02:47
Set13:33
Elevation at transit41°
Transit time08:10
Equatorial coordinatesRA: 14h 45m 48s", Dec: -11° 35' 41s
Magnitude13
ConstellationLibra
The graph illustrates the annual visibility pattern of a Nemausa, providing a comprehensive overview of its daily appearances and transit times throughout the year.
The graph is structured with the vertical axis showing the hours of the day, ranging from 12 AM to 12 AM the next day, while the horizontal axis spans each day of the year.
The reddish shaded area indicates the periods when the Nemausa is above the horizon, visible to observers. The white line marks the times when the celestial object reaches its highest point in the sky each day, known as the transit.

Astrometric & Physical Parameters of 51 Nemausa

Coordinates & Visibility

Right Ascension14.730069208143°
Declination-11.480893551303°
Magnitude12.67
ConstellationLibra
Elevation-11.7°
Azimuth-95.6°

Acknowledgments

We acknowledge NASA's Jet Propulsion Laboratory (JPL) for providing essential data on asteroids and comets through their Small-Body Database (SBDB) and Center for Near-Earth Object Studies (CNEOS). Their continuous efforts in tracking and cataloging these celestial bodies make it possible to offer accurate and up-to-date information on their positions, orbits, and physical characteristics.