🌌 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: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.1

Radius: 11

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.5 AU - 0.78 AU

Year: 341 Days

Day: 11.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,555,071 km

• M1: 137,331 km (0.114 R)
• M2: 526,884 km (0.109 R)
• M3: 915,389 km (0.083 R)
• M4: 1,310,627 km (0.107 R)
• M5: 1,888,972 km (0.11 R)
• M6: 2,299,469 km (0.098 R)
• M7: 3,360,118 km (0.082 R)
• M8: 3,904,355 km (0.097 R)
• M9: 4,299,144 km (0.045 R)
• M10: 5,294,418 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.8

Radius: 14.1

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.52 AU - 0.84 AU

Year: 374 Days

Day: 14.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,555,071 km

• M1: 175,329 km (0.03 R)
• M2: 702,063 km (0.085 R)
• M3: 1,269,936 km (0.11 R)
• M4: 1,780,514 km (0.088 R)
• M5: 2,257,731 km (0.066 R)
• M6: 3,526,321 km (0.064 R)
• M7: 4,235,714 km (0.051 R)
• M8: 4,961,862 km (0.059 R)
• M9: 5,601,393 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.4

Radius: 8.5

Gravity: 9.83 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.98 AU - 1.5 AU

Year: 921 Days

Day: 14.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,555,071 km

• M1: 105,766 km (0.074 R)
• M2: 375,341 km (0.087 R)
• M3: 651,349 km (0.114 R)
• M4: 922,570 km (0.045 R)
• M5: 1,201,720 km (0.083 R)
• M6: 2,198,790 km (0.108 R)
• M7: 2,732,106 km (0.098 R)
• M8: 3,334,985 km (0.117 R)
• M9: 3,743,687 km (0.106 R)
• M10: 4,039,890 km (0.112 R)
• M11: 4,351,652 km (0.114 R)
• M12: 4,840,389 km (0.06 R)
• M13: 5,116,995 km (0.096 R)
• M14: 5,522,106 km (0.062 R)
• M15: 6,266,356 km (0.055 R)
• M16: 7,603,611 km (0.096 R)
• M17: 9,776,370 km (0.026 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.5

Radius: 8.7

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.05 AU - 1.59 AU

Year: 1011 Days

Day: 14.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,555,071 km

• M1: 110,254 km (0.072 R)
• M2: 390,450 km (0.109 R)
• M3: 720,314 km (0.118 R)
• M4: 1,052,421 km (0.065 R)
• M5: 1,345,782 km (0.113 R)
• M6: 1,623,286 km (0.117 R)
• M7: 2,641,749 km (0.077 R)
• M8: 2,985,674 km (0.118 R)
• M9: 3,320,774 km (0.074 R)
• M10: 3,806,667 km (0.094 R)
• M11: 4,293,010 km (0.079 R)
• M12: 4,870,159 km (0.059 R)
• M13: 5,160,229 km (0.093 R)
• M14: 6,003,662 km (0.115 R)
• M15: 6,499,130 km (0.048 R)
• M16: 7,043,068 km (0.101 R)
• M17: 7,708,030 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.9

Radius: 12.2

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.64 AU - 2.32 AU

Year: 1858 Days

Day: 12.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,555,071 km

• M1: 152,291 km (0.101 R)
• M2: 574,905 km (0.116 R)
• M3: 1,087,876 km (0.083 R)
• M4: 2,957,849 km (0.092 R)
• M5: 3,536,793 km (0.117 R)
• M6: 4,061,881 km (0.074 R)
• M7: 5,053,117 km (0.079 R)
• M8: 5,492,336 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.4

Radius: 14.4

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.3 AU - 2.56 AU

Year: 2526 Days

Day: 7.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,555,071 km

• M1: 179,069 km (0.066 R)
• M2: 884,722 km (0.101 R)
• M3: 1,367,325 km (0.057 R)
• M4: 1,995,336 km (0.091 R)
• M5: 2,589,240 km (0.099 R)
• M6: 3,181,648 km (0.114 R)
• M7: 3,902,260 km (0.117 R)
• M8: 4,491,377 km (0.073 R)
• M9: 5,046,385 km (0.079 R)
• M10: 6,485,666 km (0.078 R)
• M11: 7,167,982 km (0.056 R)
• M12: 8,055,845 km (0.05 R)
• M13: 8,743,696 km (0.107 R)
• M14: 11,045,260 km (0.118 R)
• M15: 11,978,451 km (0.117 R)
• M16: 14,141,636 km (0.062 R)
• M17: 15,389,881 km (0.059 R)
• M18: 18,326,487 km (0.061 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 406.8

Radius: 4

Gravity: 25.43 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 8.15 AU - 13.45 AU

Year: 23668 Days

Day: 16.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 71,555,071 km

• M1: 49,816 km (0.074 R)
• M2: 241,750 km (0.042 R)
• M3: 790,625 km (0.078 R)
• M4: 1,088,474 km (0.103 R)
• M5: 1,221,467 km (0.098 R)
• M6: 1,380,489 km (0.046 R)
• M7: 2,263,416 km (0.107 R)
• M8: 3,526,770 km (0.041 R)
• M9: 4,835,153 km (0.108 R)
• M10: 5,655,996 km (0.093 R)
• M11: 6,017,126 km (0.038 R)
• M12: 8,934,434 km (0.106 R)
• M13: 9,368,567 km (0.117 R)
• M14: 9,816,762 km (0.105 R)
• M15: 11,184,685 km (0.081 R)
• M16: 11,309,300 km (0.092 R)
• M17: 25,105,365 km (0.081 R)
• M18: 25,750,581 km (0.111 R)
• M19: 34,375,796 km (0.037 R)
• M20: 35,170,908 km (0.041 R)
• M21: 38,191,588 km (0.089 R)
• M22: 41,380,566 km (0.071 R)
• M23: 46,168,745 km (0.119 R)
• M24: 48,612,726 km (0.079 R)
• M25: 53,579,525 km (0.106 R)
• M26: 56,642,840 km (0.115 R)
• M27: 62,329,803 km (0.105 R)
• M28: 63,115,641 km (0.114 R)
• M29: 63,313,110 km (0.058 R)
• M30: 67,969,942 km (0.082 R)
• M31: 68,177,434 km (0.104 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 532 - 16,934 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit