🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.5

Radius: 11.4

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.65 AU - 0.65 AU

Year: 362 Days

Day: 9 Hours

Environment

Temp: -161 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,166,564 km

• M1: 141,819 km (0.119 R)
• M2: 536,907 km (0.082 R)
• M3: 1,104,182 km (0.081 R)
• M4: 1,494,932 km (0.105 R)
• M5: 2,084,946 km (0.043 R)
• M6: 2,491,403 km (0.073 R)
• M7: 2,866,894 km (0.06 R)
• M8: 3,291,901 km (0.044 R)
• M9: 3,733,813 km (0.115 R)
• M10: 4,134,586 km (0.113 R)
• M11: 4,521,147 km (0.088 R)
• M12: 5,208,998 km (0.12 R)
• M13: 5,594,960 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.8

Radius: 14.9

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.71 AU - 2.31 AU

Year: 1967 Days

Day: 8.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,166,564 km

• M1: 185,352 km (0.101 R)
• M2: 903,721 km (0.042 R)
• M3: 1,380,340 km (0.06 R)
• M4: 2,031,389 km (0.118 R)
• M5: 3,326,009 km (0.118 R)
• M6: 4,138,475 km (0.107 R)
• M7: 7,727,328 km (0.076 R)
• M8: 9,574,563 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.7

Radius: 12.2

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.49 AU - 2.93 AU

Year: 3079 Days

Day: 9.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 41,166,564 km

• M1: 173,833 km (0.077 R)
• M2: 950,395 km (0.105 R)
• M3: 2,320,562 km (0.092 R)
• M4: 2,979,690 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.6

Radius: 14.4

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.69 AU - 2.75 AU

Year: 3096 Days

Day: 13.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,166,564 km

• M1: 179,069 km (0.111 R)
• M2: 958,474 km (0.062 R)
• M3: 1,747,154 km (0.07 R)
• M4: 2,337,317 km (0.1 R)
• M5: 3,833,595 km (0.047 R)
• M6: 4,351,952 km (0.075 R)
• M7: 5,794,823 km (0.12 R)
• M8: 6,458,589 km (0.092 R)
• M9: 7,196,705 km (0.052 R)
• M10: 9,782,354 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 95.3

Radius: 3.6

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 8.39 AU - 11.31 AU

Year: 21339 Days

Day: 18.1 Hours

Environment

Temp: -242 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,166,564 km

• M1: 47,423 km (0.062 R)
• M2: 160,070 km (0.119 R)
• M3: 305,180 km (0.073 R)
• M4: 430,991 km (0.106 R)
• M5: 558,299 km (0.111 R)
• M6: 957,127 km (0.119 R)
• M7: 1,079,199 km (0.101 R)
• M8: 1,456,335 km (0.093 R)
• M9: 2,521,771 km (0.059 R)
• M10: 2,920,599 km (0.043 R)
• M11: 3,223,834 km (0.061 R)
• M12: 3,406,344 km (0.054 R)
• M13: 7,540,630 km (0.067 R)
• M14: 9,892,758 km (0.117 R)
• M15: 10,474,693 km (0.083 R)
• M16: 13,612,509 km (0.088 R)
• M17: 14,453,997 km (0.104 R)
• M18: 15,202,285 km (0.067 R)
• M19: 18,310,929 km (0.112 R)
• M20: 32,380,160 km (0.094 R)
• M21: 38,393,994 km (0.108 R)
• M22: 39,343,642 km (0.118 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 452 - 11,716 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit