🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.76 AU - 1.04 AU

Year: 318 Days

Day: 29 Hours

Environment

Temp: 33 °C

Axial Tilt: 26.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.6

Radius: 11.6

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 4.5 AU - 6.12 AU

Year: 4561 Days

Day: 10.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,773,457 km

• M1: 146,307 km (0.106 R)
• M2: 555,756 km (0.081 R)
• M3: 1,056,759 km (0.08 R)
• M4: 1,419,235 km (0.094 R)
• M5: 2,164,532 km (0.086 R)
• M6: 2,890,530 km (0.051 R)
• M7: 3,293,547 km (0.09 R)
• M8: 4,447,395 km (0.087 R)
• M9: 4,940,769 km (0.093 R)
• M10: 5,984,962 km (0.074 R)
• M11: 6,475,194 km (0.086 R)
• M12: 6,874,920 km (0.054 R)
• M13: 7,755,752 km (0.071 R)
• M14: 9,341,041 km (0.119 R)
• M15: 10,191,205 km (0.06 R)
• M16: 10,931,715 km (0.059 R)
• M17: 11,335,779 km (0.106 R)
• M18: 14,594,319 km (0.045 R)
• M19: 20,066,011 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.4

Radius: 10.1

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 5.22 AU - 5.8 AU

Year: 4821 Days

Day: 14.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,773,457 km

• M1: 125,662 km (0.114 R)
• M2: 513,869 km (0.069 R)
• M3: 897,438 km (0.108 R)
• M4: 1,651,411 km (0.112 R)
• M5: 2,476,892 km (0.084 R)
• M6: 3,076,929 km (0.111 R)
• M7: 3,994,413 km (0.091 R)
• M8: 4,394,288 km (0.066 R)
• M9: 5,084,682 km (0.1 R)
• M10: 6,300,165 km (0.086 R)
• M11: 7,699,653 km (0.08 R)
• M12: 8,625,364 km (0.113 R)
• M13: 9,175,286 km (0.075 R)
• M14: 13,440,621 km (0.118 R)
• M15: 14,233,938 km (0.08 R)
• M16: 17,660,178 km (0.106 R)
• M17: 19,067,445 km (0.056 R)
• M18: 19,397,458 km (0.117 R)
• M19: 20,686,244 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.8

Radius: 10.6

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 4.7 AU - 7.42 AU

Year: 5561 Days

Day: 7.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 33,773,457 km

• M1: 131,796 km (0.117 R)
• M2: 470,784 km (0.066 R)
• M3: 854,653 km (0.105 R)
• M4: 1,308,084 km (0.078 R)
• M5: 1,714,541 km (0.046 R)
• M6: 2,366,638 km (0.102 R)
• M7: 2,863,004 km (0.095 R)
• M8: 3,829,107 km (0.115 R)
• M9: 4,464,449 km (0.089 R)
• M10: 4,972,035 km (0.1 R)
• M11: 5,370,564 km (0.081 R)
• M12: 6,039,864 km (0.037 R)
• M13: 7,881,115 km (0.057 R)
• M14: 8,543,834 km (0.054 R)
• M15: 9,117,093 km (0.089 R)
• M16: 11,135,467 km (0.109 R)
• M17: 11,919,958 km (0.068 R)
• M18: 13,875,053 km (0.106 R)
• M19: 16,035,246 km (0.115 R)
• M20: 16,592,797 km (0.086 R)
• M21: 17,878,292 km (0.112 R)
• M22: 18,410,561 km (0.118 R)
• M23: 26,843,992 km (0.117 R)
• M24: 27,542,314 km (0.069 R)
• M25: 27,896,113 km (0.119 R)
• M26: 29,710,137 km (0.114 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: 343 - 10,368 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit