🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.3

Radius: 11.2

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.46 AU - 0.72 AU

Year: 302 Days

Day: 6.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 61,018,269 km

• M1: 338,241 km (0.076 R)
• M2: 711,637 km (0.052 R)
• M3: 1,375,852 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.5

Radius: 10.3

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.89 AU - 4.93 AU

Year: 6176 Days

Day: 7.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 61,018,269 km

• M1: 128,505 km (0.087 R)
• M2: 524,490 km (0.067 R)
• M3: 969,843 km (0.1 R)
• M4: 1,605,484 km (0.07 R)
• M5: 3,879,970 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.5

Radius: 13.6

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 4.02 AU - 4.84 AU

Year: 6218 Days

Day: 13.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,018,269 km

• M1: 169,195 km (0.114 R)
• M2: 641,775 km (0.071 R)
• M3: 1,200,224 km (0.113 R)
• M4: 1,688,810 km (0.118 R)
• M5: 2,114,566 km (0.05 R)
• M6: 2,803,015 km (0.065 R)
• M7: 3,498,945 km (0.034 R)
• M8: 4,799,399 km (0.055 R)
• M9: 5,389,862 km (0.032 R)
• M10: 5,864,237 km (0.09 R)
• M11: 6,366,437 km (0.043 R)
• M12: 7,117,867 km (0.096 R)
• M13: 9,234,826 km (0.091 R)
• M14: 13,438,377 km (0.102 R)
• M15: 25,028,023 km (0.054 R)
• M16: 26,264,898 km (0.1 R)
• M17: 30,220,116 km (0.068 R)
• M18: 31,622,297 km (0.097 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 412.1

Radius: 5.3

Gravity: 14.67 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 7.51 AU - 10.83 AU

Year: 18518 Days

Day: 15.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 61,018,269 km

• M1: 67,768 km (0.08 R)
• M2: 288,574 km (0.099 R)
• M3: 477,367 km (0.102 R)
• M4: 1,226,104 km (0.119 R)
• M5: 1,583,493 km (0.076 R)
• M6: 2,007,603 km (0.093 R)
• M7: 2,216,741 km (0.064 R)
• M8: 3,463,640 km (0.07 R)
• M9: 3,996,208 km (0.059 R)
• M10: 4,297,648 km (0.108 R)
• M11: 5,048,479 km (0.106 R)
• M12: 6,154,905 km (0.11 R)
• M13: 10,827,595 km (0.088 R)
• M14: 12,776,107 km (0.087 R)
• M15: 14,875,563 km (0.11 R)
• M16: 18,811,633 km (0.116 R)
• M17: 19,657,160 km (0.107 R)
• M18: 19,915,665 km (0.092 R)
• M19: 21,606,121 km (0.056 R)
• M20: 26,506,948 km (0.111 R)
• M21: 28,328,601 km (0.101 R)
• M22: 30,003,798 km (0.079 R)
• M23: 33,550,314 km (0.116 R)
• M24: 37,234,611 km (0.089 R)
• M25: 42,746,395 km (0.051 R)
• M26: 45,545,072 km (0.109 R)
• M27: 47,066,033 km (0.093 R)
• M28: 58,671,836 km (0.081 R)
• M29: 59,747,146 km (0.1 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 203 - 15,129 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit