🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.8

Radius: 12.8

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.65 AU - 0.65 AU

Year: 362 Days

Day: 12.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 26,117,365 km

• M1: 159,322 km (0.071 R)
• M2: 710,590 km (0.052 R)
• M3: 1,256,622 km (0.057 R)
• M4: 2,024,059 km (0.056 R)
• M5: 2,829,195 km (0.066 R)
• M6: 3,290,256 km (0.071 R)
• M7: 4,038,395 km (0.074 R)
• M8: 4,738,812 km (0.109 R)

Asteroid Belt

Center: 0.92 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.8

Radius: 14

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.96 AU - 1.4 AU

Year: 885 Days

Day: 9.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,117,365 km

• M1: 174,132 km (0.098 R)
• M2: 654,790 km (0.082 R)
• M3: 1,114,355 km (0.083 R)
• M4: 1,943,276 km (0.108 R)
• M5: 2,619,908 km (0.086 R)
• M6: 3,749,072 km (0.064 R)
• M7: 4,449,789 km (0.091 R)
• M8: 5,273,624 km (0.049 R)
• M9: 5,971,648 km (0.083 R)
• M10: 6,534,884 km (0.083 R)
• M11: 6,975,001 km (0.052 R)
• M12: 8,013,509 km (0.1 R)
• M13: 8,622,223 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.2

Radius: 10.1

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.16 AU - 1.64 AU

Year: 1143 Days

Day: 13.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 26,117,365 km

• M1: 125,662 km (0.071 R)
• M2: 649,404 km (0.098 R)
• M3: 1,106,426 km (0.12 R)
• M4: 1,447,359 km (0.066 R)
• M5: 1,849,478 km (0.093 R)
• M6: 2,191,310 km (0.082 R)
• M7: 2,843,257 km (0.089 R)
• M8: 3,619,670 km (0.067 R)
• M9: 4,387,406 km (0.063 R)
• M10: 5,932,752 km (0.075 R)
• M11: 7,047,855 km (0.068 R)
• M12: 7,500,239 km (0.094 R)
• M13: 8,052,405 km (0.101 R)
• M14: 8,688,196 km (0.107 R)
• M15: 9,597,451 km (0.091 R)
• M16: 10,248,801 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.6

Radius: 9.3

Gravity: 11.46 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2 AU - 2.02 AU

Year: 1967 Days

Day: 5.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,117,365 km

• M1: 116,387 km (0.109 R)
• M2: 696,228 km (0.104 R)
• M3: 1,299,557 km (0.094 R)
• M4: 2,081,056 km (0.066 R)
• M5: 2,953,511 km (0.076 R)
• M6: 4,672,390 km (0.102 R)
• M7: 5,770,289 km (0.062 R)
• M8: 6,286,402 km (0.079 R)
• M9: 7,322,217 km (0.093 R)
• M10: 8,338,585 km (0.096 R)
• M11: 8,763,742 km (0.028 R)
• M12: 9,728,948 km (0.075 R)
• M13: 10,611,276 km (0.117 R)
• M14: 11,992,364 km (0.098 R)
• M15: 13,668,309 km (0.076 R)
• M16: 15,011,698 km (0.117 R)
• M17: 16,238,849 km (0.105 R)
• M18: 18,230,296 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.5

Radius: 11.4

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.31 AU - 3.45 AU

Year: 3374 Days

Day: 14.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 26,117,365 km

• M1: 143,764 km (0.115 R)
• M2: 542,591 km (0.12 R)
• M3: 1,354,758 km (0.08 R)
• M4: 2,061,758 km (0.043 R)
• M5: 2,664,936 km (0.072 R)
• M6: 4,026,875 km (0.082 R)
• M7: 5,225,902 km (0.114 R)
• M8: 5,732,441 km (0.093 R)
• M9: 7,421,550 km (0.066 R)
• M10: 7,968,779 km (0.08 R)
• M11: 9,989,996 km (0.112 R)
• M12: 10,771,944 km (0.062 R)
• M13: 13,765,846 km (0.113 R)
• M14: 15,019,028 km (0.051 R)
• M15: 15,796,787 km (0.066 R)
• M16: 17,327,173 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.8

Radius: 10.2

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 3.25 AU - 3.51 AU

Year: 4289 Days

Day: 6.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 26,117,365 km

• M1: 127,308 km (0.079 R)
• M2: 540,198 km (0.086 R)
• M3: 1,336,059 km (0.093 R)
• M4: 1,929,962 km (0.12 R)
• M5: 2,692,163 km (0.103 R)
• M6: 3,862,617 km (0.101 R)
• M7: 4,349,259 km (0.118 R)
• M8: 5,242,957 km (0.105 R)
• M9: 5,894,754 km (0.066 R)
• M10: 6,807,002 km (0.119 R)
• M11: 7,486,775 km (0.062 R)
• M12: 8,177,468 km (0.09 R)
• M13: 9,054,262 km (0.089 R)
• M14: 9,685,565 km (0.034 R)
• M15: 11,119,161 km (0.047 R)
• M16: 12,964,750 km (0.079 R)
• M17: 13,480,115 km (0.083 R)
• M18: 16,808,966 km (0.078 R)
• M19: 18,751,644 km (0.11 R)
• M20: 21,352,702 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.1

Radius: 8.6

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.11 AU - 4.67 AU

Year: 5296 Days

Day: 6.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 26,117,365 km

• M1: 106,962 km (0.06 R)
• M2: 399,277 km (0.094 R)
• M3: 677,978 km (0.074 R)
• M4: 1,008,140 km (0.057 R)
• M5: 1,280,558 km (0.108 R)
• M6: 1,614,460 km (0.102 R)
• M7: 2,103,645 km (0.095 R)
• M8: 2,445,626 km (0.064 R)
• M9: 2,859,414 km (0.12 R)
• M10: 3,722,145 km (0.115 R)
• M11: 4,001,294 km (0.109 R)
• M12: 5,000,309 km (0.109 R)
• M13: 6,610,730 km (0.093 R)
• M14: 7,184,288 km (0.041 R)
• M15: 7,652,978 km (0.07 R)
• M16: 9,143,721 km (0.074 R)
• M17: 12,834,001 km (0.089 R)
• M18: 14,291,384 km (0.05 R)
• M19: 14,659,095 km (0.107 R)
• M20: 15,912,127 km (0.062 R)
• M21: 16,650,991 km (0.108 R)
• M22: 21,436,178 km (0.113 R)
• M23: 22,975,839 km (0.063 R)
• M24: 25,040,140 km (0.056 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 391 - 15,353 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit