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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 06:55 and set before sunset at 12:08. Rising near twilight's end at 01:40, it will fade away by 03:49, peaking at just 22° above the horizon.
51 Nemausa will become visible in January, 25. After being too close to the Sun to observe, it will reappear in the night sky. Starting from January, 25, 51 Nemausa can be seen again, providing a good opportunity for observation.

Nemausa Visibility Timetable on January 10

Nemausa Rise and Set Timetable

TimeElevation
Nemausa transit06:5538°
Nemausa set12:08
Astrosession begin16:40-53°
Moon Rise, 53.2% illuminated22:13-40°
Nemausa rise01:40
Astrosession end03:4922°
Civil sunrise04:5331°
Sunrise05:2334°
Moon Set09:2626°

Track Nemausa Position Throughout the Night

← Sat, 10 January 2026 →

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 2.791 AU (417,527,657 km) from Earth, and it is located in the constellation Scorpius.

Current position of Nemausa in Solar System

Earth Nemausa
DateSat, 10 January 2026
Distance from Earth to Nemausa2.791 AU (417,527,657km)
Elongation48°
Angular diameter"
Magnitude12.77
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 coordinates16.073654240772, -14.749651157192
Center coordinates16.073654240772, -14.749651157192

Annual motion of Nemausa

Time
DateSun, 11 January 2026
Twighlight start16:41
Twighlight end03:47
Twighlight duration11h 6m
Rise01:40
Set12:05
Elevation at transit38°
Transit time06:53
Equatorial coordinatesRA: 16h 06m 21s", Dec: -14° 47' 30s
Magnitude13
ConstellationScorpius
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 Ascension16.073654240772°
Declination-14.749651157192°
Magnitude12.77
ConstellationScorpius
Elevation-45.5°
Azimuth71.3°

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.