🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.4

Radius: 10.6

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.55 AU - 0.71 AU

Year: 333 Days

Day: 8 Hours

Environment

Temp: -148 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 13,201,992 km

• M1: 131,796 km (0.086 R)
• M2: 672,442 km (0.069 R)
• M3: 1,006,794 km (0.083 R)
• M4: 1,397,843 km (0.105 R)
• M5: 1,777,971 km (0.115 R)
• M6: 2,187,270 km (0.094 R)
• M7: 2,677,652 km (0.053 R)
• M8: 3,024,420 km (0.078 R)
• M9: 3,478,150 km (0.113 R)
• M10: 4,616,590 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.5

Radius: 10.6

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.52 AU - 0.8 AU

Year: 358 Days

Day: 9.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 13,201,992 km

• M1: 131,796 km (0.11 R)
• M2: 581,786 km (0.091 R)
• M3: 1,021,753 km (0.107 R)
• M4: 1,374,206 km (0.102 R)
• M5: 1,712,297 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485

Radius: 11.5

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.76 AU - 0.94 AU

Year: 523 Days

Day: 9.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 13,201,992 km

• M1: 148,401 km (0.089 R)
• M2: 656,585 km (0.109 R)
• M3: 1,015,620 km (0.09 R)
• M4: 2,391,771 km (0.119 R)
• M5: 3,380,313 km (0.087 R)
• M6: 4,265,783 km (0.034 R)
• M7: 5,015,119 km (0.096 R)
• M8: 5,380,736 km (0.116 R)
• M9: 5,850,025 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.8

Radius: 11.7

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.04 AU - 1.18 AU

Year: 780 Days

Day: 12.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 13,201,992 km

• M1: 145,559 km (0.101 R)
• M2: 533,017 km (0.082 R)
• M3: 1,058,854 km (0.078 R)
• M4: 1,601,894 km (0.087 R)
• M5: 2,188,617 km (0.052 R)
• M6: 2,796,134 km (0.079 R)
• M7: 3,269,611 km (0.107 R)
• M8: 3,835,989 km (0.08 R)
• M9: 4,263,390 km (0.072 R)
• M10: 5,364,280 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287

Radius: 14.1

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.26 AU - 1.74 AU

Year: 1225 Days

Day: 7.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 13,201,992 km

• M1: 175,329 km (0.102 R)
• M2: 632,649 km (0.099 R)
• M3: 1,140,385 km (0.092 R)
• M4: 1,579,155 km (0.08 R)
• M5: 2,222,127 km (0.085 R)
• M6: 2,866,146 km (0.102 R)
• M7: 3,604,561 km (0.084 R)
• M8: 4,057,693 km (0.102 R)
• M9: 4,549,122 km (0.092 R)
• M10: 5,169,803 km (0.084 R)
• M11: 8,114,488 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192

Radius: 14.9

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.07 AU - 2.43 AU

Year: 2251 Days

Day: 10.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 13,201,992 km

• M1: 185,501 km (0.108 R)
• M2: 763,847 km (0.098 R)
• M3: 1,512,584 km (0.077 R)
• M4: 2,044,405 km (0.096 R)
• M5: 3,483,835 km (0.035 R)
• M6: 4,412,838 km (0.08 R)
• M7: 5,647,170 km (0.077 R)
• M8: 6,390,971 km (0.097 R)
• M9: 7,323,863 km (0.063 R)
• M10: 8,650,946 km (0.108 R)
• M11: 10,577,018 km (0.096 R)
• M12: 11,504,076 km (0.06 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.7

Radius: 13.6

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.59 AU - 4.05 AU

Year: 4034 Days

Day: 13.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 13,201,992 km

• M1: 173,384 km (0.117 R)
• M2: 731,234 km (0.118 R)
• M3: 1,308,832 km (0.115 R)
• M4: 1,743,563 km (0.06 R)
• M5: 2,187,719 km (0.074 R)
• M6: 2,641,300 km (0.118 R)
• M7: 3,451,372 km (0.086 R)
• M8: 4,326,520 km (0.11 R)
• M9: 6,932,964 km (0.047 R)
• M10: 8,816,850 km (0.103 R)
• M11: 10,449,561 km (0.093 R)
• M12: 16,969,036 km (0.102 R)
• M13: 17,575,506 km (0.027 R)
• M14: 19,879,313 km (0.063 R)
• M15: 20,965,244 km (0.088 R)
• M16: 22,018,862 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.7

Radius: 11.9

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.71 AU - 4.21 AU

Year: 4292 Days

Day: 10.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 13,201,992 km

• M1: 148,102 km (0.112 R)
• M2: 712,535 km (0.068 R)
• M3: 1,150,108 km (0.074 R)
• M4: 1,600,697 km (0.119 R)
• M5: 2,124,589 km (0.115 R)
• M6: 2,748,113 km (0.095 R)
• M7: 5,459,275 km (0.089 R)
• M8: 8,422,061 km (0.095 R)
• M9: 9,952,746 km (0.103 R)
• M10: 12,585,370 km (0.086 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 12,559 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit