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Dwarf Planets and Asteroids » 

Asteroid 10 Hygiea

Below the horizon.  Rise: 3:31 | Tran: 11:42 | Set: 19:53
Alt: -11.36°   Az: 335.50°   Direction: North-North-West

Asteroid 10 Hygiea is in the constellation of Taurus, at a distance of 663,481,583.0 kilometers from Earth. The current Right Ascension is 04h 26m 51s and the Declination is +23° 40’ 19” (apparent coordinates). The magnitude of Asteroid 10 Hygiea is 11.98.

Finder Charts

Map showing Asteroid 10 Hygiea in Taurus on June, 17 2025. Field of view: 50x30 degrees
View interactive star map
Sky map showing Asteroid 10 Hygiea in Taurus on June, 17 2025. Field of view: 15x9 degrees. View in interactive sky chart

High precision deep sky finder chart, 60 arcmin wide, showing where Asteroid 10 Hygiea is right now. Click on the image to see a more detailed fullscreen tracker view.

10 Hygiea
RA: 04h 25m 19s
Dec: +23° 36’ 56”
Deep sky finder chart for Asteroid 10 Hygiea. Field of view: 60x40 arcmins. View in deep sky object tracker

Also check out Where is Asteroid 10 Hygiea?, a page that provides all the information needed to find Asteroid 10 Hygiea in the sky and additional links to sky charts.

Celestial Coordinates

Apparent

04h 26m 51s
+23° 40’ 19”
10h 14m 33s
14h 41m 25s

J2000

04h 25m 19s
+23° 36’ 56”

Additional Information

Taurus
11.98

Rise and Set Times

Today's rise, transit and set times of Asteroid 10 Hygiea from Greenwich, UK (all times relative to the local timezone Europe/London):

Azimuth: 66.4°
Max altitude: 62.2°
Azimuth: 293.7°
  • 10 Hygiea is below the horizon from Greenwich, UK.
  • Given its current magnitude, 10 Hygiea 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.

Distance from Earth

The distance of Asteroid 10 Hygiea from Earth is currently 663,481,583.0 kilometers, equivalent to 4.4351004456 Astronomical Units. Light takes 36m 53.136s to travel from Asteroid 10 Hygiea and arrive to us.

663,481,583.0
4.4351004456
36m 53.136s

The following chart shows the distance of Asteroid 10 Hygiea 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 10 Hygiea 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 10 Hygiea from Earth is also available as a real time updated value in the Live Position and Data Tracker.

Closest Approach

Between 1 January 1900 and 31 December 2099, the closest approach of Asteroid 10 Hygiea to Earth happens on Fri May 20 2078 at a distance of 1.747301 Astronomical Units, or 261,392,555 kilometers:

Fri May 20 2078
261,392,555
1.747301

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

Light Curve

The following chart is the predicted light curve (visual magnitude as a function of time) of Asteroid 10 Hygiea, 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 10 Hygiea as a function of time

Orbital Elements

The following table lists the orbital elements of Asteroid 10 Hygiea at epoch 24 February 2023 00:00 UTC (JD: 2460000.5). Source: JPL Small-Body Database

Element Symbol Value
Orbit eccentricity e 0.11115904
Orbit inclination i 3.83172841°
Perihelion distance q 2.79112158 AU
417,545,845 km
Aphelion distance Q 3.48924060 AU
521,982,965 km
Semi-major axis a 3.14018109 AU
469,764,405 km
Orbital period period 5.5647 years
2,032.4996 days
Date of perihelion transit Tp 2022-Jul-15 15:50:30
2,459,776.1601 JD
Next perihelion transit 2028-Feb-07 03:49
2,461,808.6597 JD
Argument of perihelion peri 312.4866514797°
Longitude of the ascending node node 283.17317744373°
Mean anomaly M 39.735493038824°
Mean motion n 0.17712181°/day
2h1>Orbit Visualization
Orbit Diagram of Asteroid 10 Hygiea
View Asteroid 10 Hygiea in the 3D Solar System Simulator

Physical Data

The following shows the known values of the most important physical parameters of Asteroid 10 Hygiea. Source: JPL Small-Body Database

Physical Parameter Value Relative to Earth
Diameter 407.12 km 0.0320
Sideral Rotation 27.6230 hours 1.1541
Absolute Magnitude 5.43
Geometric Albedo 0.0717

15 Days Ephemeris

The following table lists the ephemerides of Asteroid 10 Hygiea computed for the past and next 7 days, with a 24 hours interval. Apparent celestial coordinates are provided.

Date Right AscensionR.A. DeclinationDec. MagnitudeMag Constellation
2025 Jun 10 04h 15m 56s +23° 16’ 59” 11.92 Taurus
2025 Jun 11 04h 17m 20s +23° 20’ 06” 11.93 Taurus
2025 Jun 12 04h 18m 43s +23° 23’ 10” 11.94 Taurus
2025 Jun 13 04h 20m 06s +23° 26’ 12” 11.94 Taurus
2025 Jun 14 04h 21m 29s +23° 29’ 11” 11.95 Taurus
2025 Jun 15 04h 22m 52s +23° 32’ 07” 11.96 Taurus
2025 Jun 16 04h 24m 15s +23° 35’ 01” 11.97 Taurus
2025 Jun 17 04h 25m 38s +23° 37’ 52” 11.97 Taurus
2025 Jun 18 04h 27m 01s +23° 40’ 41” 11.98 Taurus
2025 Jun 19 04h 28m 24s +23° 43’ 27” 11.99 Taurus
2025 Jun 20 04h 29m 48s +23° 46’ 10” 11.99 Taurus
2025 Jun 21 04h 31m 11s +23° 48’ 51” 12.00 Taurus
2025 Jun 22 04h 32m 33s +23° 51’ 29” 12.00 Taurus
2025 Jun 23 04h 33m 56s +23° 54’ 04” 12.01 Taurus

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