
Star profile
Zeta Ursae Minoris
What is Zeta Ursae Minoris
Zeta Ursae Minoris sits at the northwest corner of the Little Dipper's bowl, closest to the handle. It is a white main-sequence star, young at just 180 million years, surrounded by a cold dust disk detected in the infrared at roughly 42 astronomical units. The light arriving tonight set out 369 years ago, when Kepler's telescopes were still a novelty.
Where it is and when to see it
Zeta Ursae Minoris lies in the northern celestial hemisphere. It is visible to the naked eye under a dark sky. Its best month of the year is January, when it culminates around midnight.
- From London it never sets and culminates about 64° up.
- From New York it never sets and culminates about 53° up.
- From Sydney it never rises above the horizon.
It can be seen from anywhere north of 12° S.
It ranks no. 6 in brightness among the 25 stars of Ursa Minor in our catalogue. To find it, start from Polaris, the brightest: it lies about 13° away (a fist at arm's length covers about 10°).
The light you see today left it about 370 years ago.
It opens in your browser. Free, no account, nothing to install.
Leave your signature on Zeta Ursae Minoris
Your name and a message go up on the map for everyone to read. Signing is free.
Without a lock, someone else can replace your signature. How the lock works
We'll ask for an email to confirm it's you, no password.
A public signature from a real person. The chosen name is a symbolic denomination within Stelvia, with no official standing or IAU recognition: the sky is not for sale and belongs to no one.
Astronomical data for Zeta Ursae Minoris
- Constellation
- Ursa Minor
- Apparent magnitude
- 4.29
- Distance
- 369.0 light years
- Coordinates (J2000)
- RA 236.014° · Dec 77.794°
- Catalogue
- HIP 77055 · HD 142105
A symbolic commemorative gift: neither the signature nor the chosen name implies ownership of the star or recognition by the IAU.
Other stars in Ursa Minor
Ursa Minor has 25 stars in Stelvia's catalogue. Here are a few of them.
- PolarisAlpha Ursae Minoris1.97
- KochabBeta Ursae Minoris2.07
- PherkadGamma Ursae Minoris3.00
- Epsilon Ursae Minoris4.21
- 5 Ursae Minoris4.25
- YildunDelta Ursae Minoris4.35
- HIP 731994.63
- 4 Ursae Minoris4.80