🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.82 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167

Radius: 9.8

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.5 AU - 1.78 AU

Year: 1450 Days

Day: 7.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 101.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,372,409 km

• M1: 121,922 km (0.117 R)
• M2: 441,912 km (0.098 R)
• M3: 956,379 km (0.103 R)
• M4: 1,544,000 km (0.06 R)
• M5: 1,889,272 km (0.065 R)
• M6: 2,420,194 km (0.096 R)
• M7: 2,914,466 km (0.092 R)
• M8: 3,263,178 km (0.055 R)
• M9: 4,135,932 km (0.115 R)
• M10: 4,643,817 km (0.036 R)
• M11: 5,557,411 km (0.093 R)
• M12: 5,880,842 km (0.119 R)
• M13: 6,297,622 km (0.092 R)
• M14: 6,776,784 km (0.081 R)
• M15: 7,168,580 km (0.036 R)
• M16: 7,926,294 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.2

Radius: 8.7

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.64 AU - 1.64 AU

Year: 1450 Days

Day: 8.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,372,409 km

• M1: 113,844 km (0.071 R)
• M2: 1,361,490 km (0.119 R)
• M3: 1,739,075 km (0.075 R)
• M4: 2,166,476 km (0.053 R)
• M5: 2,618,561 km (0.118 R)
• M6: 2,974,006 km (0.117 R)
• M7: 3,271,107 km (0.098 R)
• M8: 4,503,345 km (0.11 R)
• M9: 6,078,311 km (0.093 R)
• M10: 6,396,356 km (0.115 R)
• M11: 6,851,732 km (0.119 R)
• M12: 7,284,369 km (0.088 R)
• M13: 7,735,108 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.1

Radius: 9.8

Gravity: 8.73 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.94 AU - 2.8 AU

Year: 2518 Days

Day: 8.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 86.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,372,409 km

• M1: 125,662 km (0.088 R)
• M2: 865,573 km (0.077 R)
• M3: 1,512,285 km (0.116 R)
• M4: 1,841,251 km (0.118 R)
• M5: 2,397,755 km (0.12 R)
• M6: 3,079,622 km (0.108 R)
• M7: 3,484,733 km (0.115 R)
• M8: 4,211,479 km (0.063 R)
• M9: 4,942,115 km (0.12 R)
• M10: 6,207,115 km (0.113 R)
• M11: 7,152,723 km (0.099 R)
• M12: 10,488,456 km (0.06 R)
• M13: 10,802,911 km (0.117 R)
• M14: 13,275,465 km (0.074 R)
• M15: 14,304,848 km (0.099 R)
• M16: 15,386,440 km (0.115 R)
• M17: 17,218,565 km (0.118 R)
• M18: 17,546,633 km (0.1 R)
• M19: 19,485,123 km (0.12 R)
• M20: 20,262,882 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.8

Radius: 14.9

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.09 AU - 3.33 AU

Year: 3079 Days

Day: 7.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,372,409 km

• M1: 185,352 km (0.105 R)
• M2: 715,078 km (0.09 R)
• M3: 1,615,507 km (0.109 R)
• M4: 2,271,344 km (0.091 R)
• M5: 4,946,603 km (0.081 R)
• M6: 6,662,940 km (0.112 R)
• M7: 7,820,229 km (0.112 R)
• M8: 8,621,026 km (0.049 R)
• M9: 10,387,029 km (0.038 R)
• M10: 11,509,911 km (0.082 R)
• M11: 12,712,229 km (0.059 R)
• M12: 13,733,234 km (0.111 R)
• M13: 14,489,003 km (0.108 R)
• M14: 15,603,058 km (0.119 R)
• M15: 16,773,661 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.7

Radius: 13.7

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 4.5 AU - 6.1 AU

Year: 8422 Days

Day: 10.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,372,409 km

• M1: 170,990 km (0.071 R)
• M2: 1,038,508 km (0.036 R)
• M3: 2,568,147 km (0.101 R)
• M4: 3,871,742 km (0.08 R)
• M5: 4,423,908 km (0.102 R)
• M6: 5,910,462 km (0.08 R)
• M7: 6,645,437 km (0.104 R)
• M8: 7,640,861 km (0.112 R)
• M9: 8,405,904 km (0.058 R)
• M10: 10,376,408 km (0.048 R)
• M11: 10,881,749 km (0.093 R)
• M12: 11,896,322 km (0.051 R)
• M13: 13,961,221 km (0.108 R)
• M14: 15,159,051 km (0.107 R)
• M15: 15,921,103 km (0.064 R)
• M16: 17,111,902 km (0.052 R)
• M17: 21,647,560 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 66.9

Radius: 3.7

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 10.6 AU - 10.6 AU

Year: 23822 Days

Day: 17.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,372,409 km

• M1: 57,296 km (0.085 R)
• M2: 181,462 km (0.109 R)
• M3: 420,669 km (0.088 R)
• M4: 820,096 km (0.088 R)
• M5: 1,334,712 km (0.084 R)
• M6: 1,633,010 km (0.031 R)
• M7: 2,203,876 km (0.097 R)
• M8: 2,544,061 km (0.11 R)
• M9: 3,677,564 km (0.097 R)
• M10: 4,532,516 km (0.037 R)
• M11: 5,736,630 km (0.074 R)
• M12: 6,307,495 km (0.105 R)
• M13: 6,989,362 km (0.097 R)
• M14: 8,797,851 km (0.053 R)
• M15: 11,300,922 km (0.11 R)
• M16: 15,219,190 km (0.041 R)
• M17: 17,105,769 km (0.089 R)
• M18: 19,583,109 km (0.031 R)
• M19: 19,880,659 km (0.085 R)
• M20: 20,105,655 km (0.037 R)
• M21: 21,178,720 km (0.1 R)
• M22: 29,486,339 km (0.042 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: 372 - 10,474 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit