🌌 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: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.8

Radius: 8.4

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.6 AU - 0.62 AU

Year: 323 Days

Day: 5.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,917,112 km

• M1: 104,419 km (0.112 R)
• M2: 408,701 km (0.072 R)
• M3: 757,863 km (0.108 R)
• M4: 1,052,271 km (0.111 R)
• M5: 1,441,375 km (0.042 R)
• M6: 1,881,792 km (0.117 R)
• M7: 2,196,994 km (0.105 R)
• M8: 2,556,179 km (0.115 R)
• M9: 2,848,643 km (0.078 R)
• M10: 3,194,064 km (0.061 R)
• M11: 3,578,531 km (0.065 R)
• M12: 3,840,177 km (0.059 R)
• M13: 4,200,708 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.7

Radius: 12.6

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.59 AU - 0.65 AU

Year: 331 Days

Day: 12.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,917,112 km

• M1: 156,779 km (0.118 R)
• M2: 549,623 km (0.114 R)
• M3: 1,006,345 km (0.09 R)
• M4: 1,433,148 km (0.106 R)
• M5: 2,012,839 km (0.051 R)
• M6: 2,477,640 km (0.106 R)
• M7: 2,877,814 km (0.057 R)
• M8: 3,472,316 km (0.061 R)
• M9: 4,012,963 km (0.114 R)
• M10: 4,517,108 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.5

Radius: 13.9

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.53 AU - 0.83 AU

Year: 380 Days

Day: 14.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,917,112 km

• M1: 172,935 km (0.025 R)
• M2: 730,038 km (0.094 R)
• M3: 1,177,634 km (0.094 R)
• M4: 1,899,295 km (0.117 R)
• M5: 2,359,009 km (0.095 R)
• M6: 3,116,273 km (0.108 R)
• M7: 4,298,246 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.8

Radius: 12.8

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.65 AU - 1.01 AU

Year: 513 Days

Day: 5 Hours

Environment

Temp: -172 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 53,917,112 km

• M1: 159,621 km (0.082 R)
• M2: 784,790 km (0.102 R)
• M3: 1,241,363 km (0.085 R)
• M4: 1,908,121 km (0.1 R)
• M5: 2,442,634 km (0.041 R)
• M6: 4,744,496 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.9

Radius: 12.3

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.95 AU - 1.57 AU

Year: 959 Days

Day: 7.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,917,112 km

• M1: 154,834 km (0.099 R)
• M2: 758,611 km (0.103 R)
• M3: 1,563,298 km (0.107 R)
• M4: 2,090,929 km (0.056 R)
• M5: 2,943,787 km (0.101 R)
• M6: 3,333,340 km (0.1 R)
• M7: 4,234,966 km (0.1 R)
• M8: 5,515,973 km (0.082 R)
• M9: 6,025,054 km (0.118 R)
• M10: 6,565,402 km (0.042 R)
• M11: 7,186,981 km (0.028 R)
• M12: 8,085,615 km (0.052 R)
• M13: 8,715,871 km (0.106 R)
• M14: 9,202,663 km (0.087 R)
• M15: 9,920,732 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.5

Radius: 11.6

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.32 AU - 3.7 AU

Year: 4460 Days

Day: 9.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,917,112 km

• M1: 144,661 km (0.116 R)
• M2: 814,860 km (0.118 R)
• M3: 1,225,207 km (0.111 R)
• M4: 1,607,728 km (0.104 R)
• M5: 2,639,056 km (0.076 R)
• M6: 4,915,188 km (0.105 R)
• M7: 5,743,511 km (0.025 R)
• M8: 6,289,543 km (0.037 R)
• M9: 6,990,110 km (0.118 R)
• M10: 11,594,583 km (0.104 R)
• M11: 12,026,173 km (0.097 R)
• M12: 19,251,002 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 971.4

Radius: 3.8

Gravity: 67.27 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 4.86 AU - 7.18 AU

Year: 10018 Days

Day: 21 Hours

Environment

Temp: -226 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 53,917,112 km

• M1: 55,351 km (0.106 R)
• M2: 251,773 km (0.119 R)
• M3: 518,207 km (0.081 R)
• M4: 919,578 km (0.11 R)
• M5: 1,294,321 km (0.107 R)
• M6: 1,699,133 km (0.043 R)
• M7: 2,109,031 km (0.104 R)
• M8: 2,688,423 km (0.11 R)
• M9: 2,842,808 km (0.108 R)
• M10: 3,242,833 km (0.073 R)
• M11: 3,520,786 km (0.115 R)
• M12: 4,826,476 km (0.048 R)
• M13: 5,930,658 km (0.09 R)
• M14: 6,231,051 km (0.069 R)
• M15: 6,700,489 km (0.062 R)
• M16: 6,902,895 km (0.116 R)
• M17: 7,448,328 km (0.052 R)
• M18: 7,665,544 km (0.113 R)
• M19: 7,842,369 km (0.039 R)
• M20: 8,482,798 km (0.057 R)
• M21: 9,406,714 km (0.094 R)
• M22: 9,971,147 km (0.107 R)
• M23: 11,167,331 km (0.068 R)
• M24: 12,455,968 km (0.069 R)
• M25: 13,010,527 km (0.115 R)
• M26: 14,368,427 km (0.087 R)
• M27: 16,614,788 km (0.086 R)
• M28: 18,366,729 km (0.054 R)
• M29: 24,544,971 km (0.068 R)
• M30: 25,709,740 km (0.106 R)
• M31: 31,862,252 km (0.082 R)
• M32: 32,090,239 km (0.115 R)
• M33: 36,012,247 km (0.067 R)
• M34: 43,377,847 km (0.111 R)
• M35: 49,670,383 km (0.093 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 278 - 11,600 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit