🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.6

Radius: 14.5

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.49 AU - 0.75 AU

Year: 326 Days

Day: 8.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,656,632 km

• M1: 180,415 km (0.116 R)
• M2: 639,980 km (0.106 R)
• M3: 1,473,240 km (0.105 R)
• M4: 1,939,536 km (0.117 R)
• M5: 2,506,363 km (0.103 R)
• M6: 3,231,912 km (0.092 R)
• M7: 3,693,571 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.8

Radius: 14.3

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.63 AU - 0.99 AU

Year: 486 Days

Day: 14.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,656,632 km

• M1: 179,667 km (0.117 R)
• M2: 638,334 km (0.08 R)
• M3: 1,097,001 km (0.047 R)
• M4: 1,554,771 km (0.109 R)
• M5: 2,826,652 km (0.098 R)
• M6: 3,352,039 km (0.074 R)
• M7: 4,526,981 km (0.067 R)
• M8: 5,218,423 km (0.114 R)
• M9: 6,501,374 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.3

Radius: 14.2

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.79 AU - 1.21 AU

Year: 667 Days

Day: 12.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,656,632 km

• M1: 176,525 km (0.085 R)
• M2: 653,443 km (0.108 R)
• M3: 1,131,110 km (0.103 R)
• M4: 1,728,454 km (0.084 R)
• M5: 2,367,087 km (0.095 R)
• M6: 3,248,967 km (0.107 R)
• M7: 3,816,840 km (0.027 R)
• M8: 5,032,173 km (0.084 R)
• M9: 5,515,075 km (0.103 R)
• M10: 5,970,152 km (0.042 R)
• M11: 6,935,058 km (0.083 R)
• M12: 7,421,401 km (0.112 R)
• M13: 7,930,482 km (0.102 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 203.5

Radius: 5.4

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 6.48 AU - 8.6 AU

Year: 13807 Days

Day: 16.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 39,656,632 km

• M1: 68,067 km (0.083 R)
• M2: 351,705 km (0.105 R)
• M3: 1,388,867 km (0.111 R)
• M4: 1,636,900 km (0.104 R)
• M5: 2,040,066 km (0.054 R)
• M6: 2,896,813 km (0.041 R)
• M7: 3,485,780 km (0.101 R)
• M8: 3,698,807 km (0.084 R)
• M9: 4,047,670 km (0.109 R)
• M10: 4,500,353 km (0.102 R)
• M11: 6,982,481 km (0.092 R)
• M12: 7,791,506 km (0.107 R)
• M13: 9,411,352 km (0.118 R)
• M14: 9,779,063 km (0.077 R)
• M15: 10,989,609 km (0.071 R)
• M16: 12,296,945 km (0.057 R)
• M17: 12,903,714 km (0.101 R)
• M18: 13,072,610 km (0.102 R)
• M19: 14,659,843 km (0.103 R)
• M20: 15,153,816 km (0.088 R)
• M21: 15,531,550 km (0.11 R)
• M22: 17,860,789 km (0.071 R)
• M23: 19,512,349 km (0.1 R)
• M24: 23,198,441 km (0.077 R)
• M25: 24,038,433 km (0.094 R)
• M26: 24,638,321 km (0.079 R)
• M27: 30,395,146 km (0.063 R)
• M28: 31,808,546 km (0.095 R)
• M29: 35,202,922 km (0.095 R)
• M30: 35,422,831 km (0.108 R)
• M31: 35,865,192 km (0.057 R)
• M32: 36,535,690 km (0.108 R)
• M33: 38,480,761 km (0.027 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 14,756 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit