🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189

Radius: 8

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.56 AU - 0.9 AU

Year: 403 Days

Day: 6.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,755,556 km

• M1: 99,782 km (0.047 R)
• M2: 356,193 km (0.09 R)
• M3: 618,587 km (0.06 R)
• M4: 901,178 km (0.104 R)
• M5: 1,425,219 km (0.086 R)
• M6: 1,798,615 km (0.119 R)
• M7: 2,228,709 km (0.105 R)
• M8: 3,215,905 km (0.05 R)
• M9: 3,570,752 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.1

Radius: 11.9

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.97 AU - 2.55 AU

Year: 2194 Days

Day: 13.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,755,556 km

• M1: 147,952 km (0.084 R)
• M2: 655,987 km (0.067 R)
• M3: 1,060,649 km (0.089 R)
• M4: 1,526,796 km (0.08 R)
• M5: 2,259,377 km (0.033 R)
• M6: 2,644,890 km (0.118 R)
• M7: 3,705,090 km (0.051 R)
• M8: 4,933,588 km (0.116 R)
• M9: 5,589,874 km (0.035 R)
• M10: 6,081,153 km (0.112 R)
• M11: 7,652,829 km (0.087 R)
• M12: 8,644,513 km (0.043 R)
• M13: 10,432,058 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.1

Radius: 11

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.85 AU - 4.47 AU

Year: 4521 Days

Day: 7.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,755,556 km

• M1: 137,181 km (0.107 R)
• M2: 506,688 km (0.058 R)
• M3: 888,611 km (0.088 R)
• M4: 1,773,483 km (0.096 R)
• M5: 2,191,010 km (0.098 R)
• M6: 2,559,021 km (0.106 R)
• M7: 3,521,983 km (0.032 R)
• M8: 4,280,593 km (0.106 R)
• M9: 5,521,657 km (0.085 R)
• M10: 7,020,927 km (0.047 R)
• M11: 7,935,419 km (0.044 R)
• M12: 8,366,560 km (0.058 R)
• M13: 11,929,981 km (0.108 R)
• M14: 12,353,343 km (0.106 R)
• M15: 12,933,484 km (0.082 R)
• M16: 13,684,166 km (0.086 R)
• M17: 14,729,855 km (0.098 R)
• M18: 20,435,219 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.9

Radius: 8.7

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.85 AU - 5.25 AU

Year: 6267 Days

Day: 14.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,755,556 km

• M1: 108,159 km (0.07 R)
• M2: 396,135 km (0.095 R)
• M3: 869,463 km (0.065 R)
• M4: 1,507,199 km (0.116 R)
• M5: 2,051,735 km (0.119 R)
• M6: 3,197,804 km (0.114 R)
• M7: 3,728,278 km (0.065 R)
• M8: 4,121,571 km (0.108 R)
• M9: 4,619,582 km (0.058 R)
• M10: 5,528,689 km (0.114 R)
• M11: 5,917,793 km (0.088 R)
• M12: 7,266,268 km (0.112 R)
• M13: 8,297,895 km (0.038 R)
• M14: 8,570,462 km (0.047 R)
• M15: 9,936,889 km (0.025 R)
• M16: 11,635,573 km (0.066 R)
• M17: 12,175,771 km (0.085 R)
• M18: 12,887,408 km (0.082 R)
• M19: 14,282,258 km (0.043 R)
• M20: 16,254,706 km (0.11 R)
• M21: 20,589,753 km (0.077 R)
• M22: 25,067,666 km (0.108 R)
• M23: 31,267,451 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 678.7

Radius: 4.8

Gravity: 29.46 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 8.29 AU - 10.11 AU

Year: 18018 Days

Day: 20.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,755,556 km

• M1: 60,737 km (0.038 R)
• M2: 218,562 km (0.083 R)
• M3: 1,231,938 km (0.074 R)
• M4: 2,026,303 km (0.078 R)
• M5: 2,887,688 km (0.072 R)
• M6: 5,410,506 km (0.099 R)
• M7: 5,641,336 km (0.079 R)
• M8: 6,331,580 km (0.049 R)
• M9: 6,896,163 km (0.037 R)
• M10: 12,015,252 km (0.116 R)
• M11: 12,474,966 km (0.118 R)
• M12: 24,621,416 km (0.057 R)
• M13: 25,255,711 km (0.041 R)
• M14: 32,460,644 km (0.116 R)
• M15: 35,180,931 km (0.102 R)
• M16: 36,938,856 km (0.08 R)
• M17: 42,865,774 km (0.097 R)
• M18: 58,591,352 km (0.111 R)
• M19: 62,022,380 km (0.086 R)
• M20: 67,621,678 km (0.097 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 17,479 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit