buy this star Random Star Random Location

RFD821: yellow giant star with 3 planets

  RFD821.1  
RFD821.2
 
RFD821.3
 

Solar system 'RFD821' is a dual star system that comprises the stars 'RFD821.A' and 'RFD821.B' and the retinue of celestial objects gravitationally bound to them: 3 planets and their 168 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'RFD821.A' and 'RFD821.B' that dominate it gravitationally. 'RFD821.A' is a yellow giant class star that contains about 94% of the system's known mass, 'RFD821.B' is a red giant class star that contains about 5% of the system's known mass.

System 'RFD821' is located more than 403 lightyears from the center of the galaxy.

This solar system comprises 3 planets

RFD821.1 is a small terrestrial planet (3896 km radius) which orbits its star in 87 Earth days, one day on RFD821.1 lasts 19 Earth hours. Its average temperature is 1345 K (1072 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 0 moons.
RFD821.2 is a large terrestrial planet (7288 km radius) which orbits its star in 1973 Earth days, one day on RFD821.2 lasts 7 Earth hours. Its average temperature is 1673 K (1400 C), its atmosphere mainly consists of hydrogen, helium and it has 40 moons.
RFD821.3 is a large gas giant (48921 km radius) which orbits its star in 15638 Earth days, one day on RFD821.3 lasts 3 Earth hours. Its average temperature is 1192 K (919 C), its atmosphere mainly consists of hydrogen and it has 128 moons.
More planetary details...

Location

Planetary Orbits

Permalink

Use the following URL to link to this solar system:

Widget

Copy-paste the following piece of HTML code to place this solar system as a real-time widget on your website or blog:

Planetary Statistics

planet:RFD821.1RFD821.2RFD821.3
distance from star:26*106 km213*106 km849*106 km
radius:3896 km7288 km48921 km
mass:473*1021 kg3096*1021 kg936647*1021 kg
surface gravity: 2.07 m/s2
0.21 Earths
3.89 m/s2
0.39 Earths
26.1 m/s2
2.66 Earths
escape velocity:4.025 km/s7.530 km/s50.55 km/s
year: 109 RFD821.1 days
87 Earth days
6764 RFD821.2 days
1973 Earth days
125104 RFD821.3 days
15638 Earth days
day:19 hrs7 hrs3 hrs
axial tilt:17°
temperature:1345 K
1072 C
1673 K
1400 C
1192 K
919 C
atmosphere:12% H2
2% He
54% N2
32% O2
0% other
80% H2
20% He
0% other
90% H2
10% He
0% other
moons:040128
rings:02011

as seen on...
You may also want to check out our other web projects:
Morzino, an e-Learning community with online training software
Jamplifier, a platform that allows artists to improve their music
©2006-2019 Joopita Research a.s.b.l | About | Buy a Star | Name a Star | Info Pages
Donations | Sponsoring | Advertising | Affiliate Program | Support | Press
Copyright | Disclaimer | Privacy Policy | Terms of Use | Contact Us
Some photographies used on this site are by NASA, they are in the public domain.
Sign up now, it's free!Signup
Username or E-mail Password - Forgot your password?Signup
keep me logged in
HomeInfoSolar SystemsWikiNewsfeedForumBlogCommunityStore