🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.73 AU - 1.11 AU

Year: 316 Days

Day: 14.2 Hours

Environment

Temp: 91 °C

Axial Tilt: 40 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Gas Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.8

Radius: 14.5

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 5.21 AU - 7.95 AU

Year: 6045 Days

Day: 12.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,047,261 km

• M1: 180,415 km (0.117 R)
• M2: 847,622 km (0.082 R)
• M3: 1,379,592 km (0.118 R)
• M4: 1,925,175 km (0.08 R)
• M5: 3,811,903 km (0.086 R)
• M6: 5,518,516 km (0.109 R)
• M7: 7,091,986 km (0.093 R)
• M8: 7,726,281 km (0.106 R)
• M9: 8,283,683 km (0.093 R)
• M10: 9,109,164 km (0.094 R)
• M11: 11,532,649 km (0.119 R)
• M12: 12,970,734 km (0.103 R)
• M13: 13,493,429 km (0.034 R)
• M14: 15,962,691 km (0.111 R)
• M15: 16,502,740 km (0.106 R)
• M16: 18,522,460 km (0.101 R)
• M17: 25,000,647 km (0.101 R)
• M18: 25,485,194 km (0.067 R)
• M19: 28,877,625 km (0.108 R)
• M20: 30,958,980 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 8.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.7

Radius: 14.5

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 7.34 AU - 9.54 AU

Year: 8782 Days

Day: 14.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,047,261 km

• M1: 180,265 km (0.053 R)
• M2: 692,788 km (0.102 R)
• M3: 1,434,045 km (0.093 R)
• M4: 1,997,880 km (0.047 R)
• M5: 2,692,612 km (0.085 R)
• M6: 3,381,061 km (0.084 R)
• M7: 4,279,397 km (0.055 R)
• M8: 5,007,190 km (0.093 R)
• M9: 5,787,044 km (0.083 R)
• M10: 8,057,341 km (0.117 R)
• M11: 9,290,776 km (0.099 R)
• M12: 10,038,167 km (0.107 R)
• M13: 11,005,616 km (0.054 R)
• M14: 11,653,225 km (0.081 R)
• M15: 14,283,754 km (0.054 R)
• M16: 15,795,590 km (0.088 R)
• M17: 18,938,791 km (0.066 R)
• M18: 20,831,354 km (0.079 R)
• M19: 24,055,637 km (0.048 R)
• M20: 26,600,297 km (0.037 R)
• M21: 28,883,010 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.7

Radius: 8.6

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 7.95 AU - 10.37 AU

Year: 9929 Days

Day: 6.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 33,047,261 km

• M1: 106,962 km (0.083 R)
• M2: 814,710 km (0.099 R)
• M3: 1,146,368 km (0.119 R)
• M4: 1,519,316 km (0.099 R)
• M5: 2,168,122 km (0.119 R)
• M6: 4,399,823 km (0.076 R)
• M7: 4,955,729 km (0.079 R)
• M8: 6,016,677 km (0.07 R)
• M9: 6,369,279 km (0.119 R)
• M10: 6,735,495 km (0.11 R)
• M11: 7,769,216 km (0.11 R)
• M12: 8,304,477 km (0.117 R)
• M13: 8,621,176 km (0.079 R)
• M14: 10,881,151 km (0.103 R)
• M15: 12,046,668 km (0.115 R)
• M16: 13,892,705 km (0.115 R)
• M17: 14,970,259 km (0.113 R)
• M18: 16,347,756 km (0.092 R)
• M19: 16,658,172 km (0.108 R)
• M20: 17,419,026 km (0.086 R)
• M21: 18,202,770 km (0.038 R)
• M22: 19,700,544 km (0.094 R)
• M23: 21,948,252 km (0.097 R)
• M24: 29,524,486 km (0.094 R)
• M25: 32,457,951 km (0.119 R)

Kuiper Belt

Range: 30.6 - 59.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 418 - 17,459 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit