🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.4

Radius: 9.6

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.4 AU - 0.62 AU

Year: 243 Days

Day: 13.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 29,685,245 km

• M1: 119,379 km (0.114 R)
• M2: 448,195 km (0.114 R)
• M3: 823,087 km (0.074 R)
• M4: 1,171,202 km (0.036 R)
• M5: 1,506,151 km (0.073 R)
• M6: 1,925,175 km (0.092 R)
• M7: 2,459,539 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.2

Radius: 12.6

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.43 AU - 0.61 AU

Year: 250 Days

Day: 5.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 29,685,245 km

• M1: 156,629 km (0.111 R)
• M2: 626,067 km (0.08 R)
• M3: 1,074,562 km (0.077 R)
• M4: 1,501,065 km (0.088 R)
• M5: 2,392,220 km (0.044 R)
• M6: 2,817,676 km (0.033 R)
• M7: 3,630,441 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.5

Radius: 15

Gravity: 0.06 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.01 AU - 1.01 AU

Year: 677 Days

Day: 5.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 29,685,245 km

• M1: 186,549 km (0.048 R)
• M2: 672,891 km (0.073 R)
• M3: 1,520,363 km (0.116 R)
• M4: 1,990,100 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.3

Radius: 14.7

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.88 AU - 1.3 AU

Year: 759 Days

Day: 9.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,685,245 km

• M1: 182,809 km (0.093 R)
• M2: 1,369,120 km (0.093 R)
• M3: 1,842,447 km (0.087 R)
• M4: 2,847,745 km (0.087 R)
• M5: 3,380,164 km (0.064 R)
• M6: 4,282,389 km (0.048 R)
• M7: 4,887,811 km (0.113 R)
• M8: 5,426,962 km (0.112 R)
• M9: 7,160,652 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.1

Radius: 8

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.35 AU - 1.53 AU

Year: 1152 Days

Day: 11.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,685,245 km

• M1: 99,483 km (0.114 R)
• M2: 513,869 km (0.111 R)
• M3: 876,045 km (0.051 R)
• M4: 1,290,730 km (0.094 R)
• M5: 1,958,535 km (0.119 R)
• M6: 2,302,012 km (0.117 R)
• M7: 2,673,763 km (0.042 R)
• M8: 2,935,409 km (0.08 R)
• M9: 4,174,379 km (0.104 R)
• M10: 4,577,844 km (0.064 R)
• M11: 4,971,736 km (0.105 R)
• M12: 5,866,929 km (0.035 R)
• M13: 7,428,432 km (0.116 R)
• M14: 7,733,163 km (0.063 R)
• M15: 8,144,108 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.3

Radius: 14.1

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.99 AU - 2.99 AU

Year: 2620 Days

Day: 10 Hours

Environment

Temp: -217 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,685,245 km

• M1: 175,478 km (0.064 R)
• M2: 669,600 km (0.053 R)
• M3: 1,231,340 km (0.066 R)
• M4: 1,848,730 km (0.071 R)
• M5: 2,562,911 km (0.118 R)
• M6: 3,187,931 km (0.095 R)
• M7: 6,216,091 km (0.064 R)
• M8: 6,950,317 km (0.117 R)
• M9: 7,517,742 km (0.119 R)
• M10: 8,028,469 km (0.113 R)
• M11: 9,505,000 km (0.119 R)
• M12: 12,165,000 km (0.063 R)
• M13: 14,494,089 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 180.9

Radius: 7.8

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 5.23 AU - 6.51 AU

Year: 9484 Days

Day: 20.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 29,685,245 km

• M1: 97,089 km (0.116 R)
• M2: 739,612 km (0.107 R)
• M3: 1,934,450 km (0.105 R)
• M4: 2,320,562 km (0.073 R)
• M5: 2,721,933 km (0.063 R)
• M6: 3,052,844 km (0.115 R)
• M7: 5,046,684 km (0.096 R)
• M8: 6,142,937 km (0.069 R)
• M9: 8,373,591 km (0.109 R)
• M10: 10,776,731 km (0.047 R)
• M11: 11,233,005 km (0.038 R)
• M12: 11,654,721 km (0.043 R)
• M13: 13,240,010 km (0.043 R)
• M14: 15,763,277 km (0.116 R)
• M15: 17,137,782 km (0.065 R)
• M16: 17,949,052 km (0.101 R)
• M17: 25,625,816 km (0.12 R)
• M18: 26,030,179 km (0.048 R)
• M19: 27,690,267 km (0.112 R)
• M20: 28,287,611 km (0.094 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 11,920 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit