🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.17 AU - 1.41 AU

Year: 626 Days

Day: 48 Hours

Environment

Temp: -86 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 92,519,230 km

• M1: 42,336 km (0.111 R)
• M2: 1,058,704 km (0.036 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.25 AU - 1.85 AU

Year: 825 Days

Day: 45.9 Hours

Environment

Temp: -104 °C

Axial Tilt: 25.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 92,519,230 km

• M1: 46,076 km (0.114 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.27 AU - 1.99 AU

Year: 890 Days

Day: 29.1 Hours

Environment

Temp: -103 °C

Axial Tilt: 28.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 92,519,230 km

• M1: 202,855 km (0.093 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.68 AU - 2.16 AU

Year: 1137 Days

Day: 47.5 Hours

Environment

Temp: -107 °C

Axial Tilt: 1.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.2

Radius: 15

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.08 AU - 4.28 AU

Year: 3018 Days

Day: 6.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 92,519,230 km

• M1: 186,698 km (0.084 R)
• M2: 728,990 km (0.117 R)
• M3: 1,284,597 km (0.031 R)
• M4: 1,836,015 km (0.07 R)
• M5: 2,396,558 km (0.055 R)
• M6: 3,124,501 km (0.071 R)
• M7: 4,366,911 km (0.037 R)
• M8: 4,928,801 km (0.085 R)
• M9: 6,430,913 km (0.109 R)
• M10: 7,004,621 km (0.117 R)
• M11: 10,122,241 km (0.071 R)
• M12: 14,472,846 km (0.09 R)
• M13: 17,286,483 km (0.103 R)
• M14: 17,925,565 km (0.081 R)
• M15: 19,189,368 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.3

Radius: 11.8

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 5.34 AU - 6.86 AU

Year: 6441 Days

Day: 12.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 92,519,230 km

• M1: 150,196 km (0.074 R)
• M2: 528,380 km (0.107 R)
• M3: 1,501,065 km (0.11 R)
• M4: 2,758,585 km (0.108 R)
• M5: 6,027,448 km (0.119 R)
• M6: 7,172,769 km (0.092 R)
• M7: 7,700,401 km (0.113 R)
• M8: 8,749,381 km (0.079 R)
• M9: 9,177,231 km (0.072 R)
• M10: 11,129,483 km (0.063 R)
• M11: 15,403,345 km (0.109 R)
• M12: 16,347,457 km (0.096 R)
• M13: 23,900,953 km (0.032 R)
• M14: 24,739,299 km (0.092 R)
• M15: 27,463,028 km (0.045 R)
• M16: 28,662,503 km (0.071 R)
• M17: 34,021,249 km (0.085 R)
• M18: 36,824,713 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.8

Radius: 14.3

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 6.11 AU - 6.25 AU

Year: 6568 Days

Day: 10.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 92,519,230 km

• M1: 201,060 km (0.089 R)
• M2: 850,015 km (0.05 R)
• M3: 1,378,993 km (0.078 R)
• M4: 1,825,543 km (0.08 R)
• M5: 2,594,027 km (0.087 R)
• M6: 3,417,563 km (0.08 R)
• M7: 5,863,339 km (0.067 R)
• M8: 6,446,621 km (0.106 R)
• M9: 8,233,418 km (0.055 R)
• M10: 9,876,451 km (0.036 R)
• M11: 12,500,099 km (0.088 R)
• M12: 16,175,419 km (0.112 R)
• M13: 18,463,818 km (0.117 R)
• M14: 19,155,559 km (0.096 R)
• M15: 19,649,980 km (0.075 R)
• M16: 20,152,928 km (0.089 R)
• M17: 22,019,759 km (0.069 R)
• M18: 24,657,319 km (0.071 R)
• M19: 25,327,069 km (0.114 R)
• M20: 26,181,423 km (0.043 R)
• M21: 26,703,220 km (0.115 R)
• M22: 28,493,009 km (0.09 R)
• M23: 31,423,182 km (0.113 R)
• M24: 34,966,707 km (0.045 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 244.4

Radius: 4.2

Gravity: 13.85 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 12.05 AU - 12.31 AU

Year: 18172 Days

Day: 18 Hours

Environment

Temp: -205 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 92,519,230 km

• M1: 52,210 km (0.093 R)
• M2: 388,206 km (0.036 R)
• M3: 527,332 km (0.104 R)
• M4: 1,104,032 km (0.117 R)
• M5: 1,648,120 km (0.1 R)
• M6: 2,411,817 km (0.111 R)
• M7: 2,915,812 km (0.112 R)
• M8: 4,243,792 km (0.101 R)
• M9: 6,373,916 km (0.073 R)
• M10: 6,643,193 km (0.057 R)
• M11: 8,193,924 km (0.095 R)
• M12: 8,838,841 km (0.114 R)
• M13: 9,467,451 km (0.099 R)
• M14: 10,491,897 km (0.117 R)
• M15: 11,196,054 km (0.059 R)
• M16: 12,458,660 km (0.081 R)
• M17: 13,813,119 km (0.051 R)
• M18: 14,991,951 km (0.027 R)
• M19: 16,236,455 km (0.115 R)
• M20: 18,615,809 km (0.08 R)
• M21: 23,050,788 km (0.083 R)
• M22: 27,228,757 km (0.119 R)
• M23: 30,565,687 km (0.111 R)
• M24: 32,784,074 km (0.12 R)
• M25: 35,825,249 km (0.106 R)
• M26: 36,674,965 km (0.098 R)
• M27: 38,037,353 km (0.108 R)
• M28: 42,326,324 km (0.087 R)
• M29: 44,796,334 km (0.11 R)
• M30: 44,936,208 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 740.9

Radius: 8

Gravity: 11.58 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 14.41 AU - 16.35 AU

Year: 25785 Days

Day: 20 Hours

Environment

Temp: -218 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 92,519,230 km

• M1: 127,308 km (0.11 R)
• M2: 405,261 km (0.079 R)
• M3: 1,329,775 km (0.112 R)
• M4: 2,021,516 km (0.104 R)
• M5: 3,127,942 km (0.096 R)
• M6: 3,994,413 km (0.088 R)
• M7: 7,294,841 km (0.114 R)
• M8: 7,865,258 km (0.098 R)
• M9: 9,391,754 km (0.109 R)
• M10: 10,513,290 km (0.087 R)
• M11: 10,774,039 km (0.115 R)
• M12: 11,652,029 km (0.107 R)
• M13: 18,697,191 km (0.113 R)
• M14: 19,567,252 km (0.099 R)
• M15: 20,464,091 km (0.072 R)
• M16: 21,913,246 km (0.105 R)
• M17: 24,554,546 km (0.078 R)
• M18: 30,460,221 km (0.11 R)
• M19: 34,883,231 km (0.108 R)
• M20: 36,796,139 km (0.045 R)
• M21: 40,032,390 km (0.117 R)
• M22: 47,952,700 km (0.058 R)
• M23: 67,473,427 km (0.075 R)
• M24: 79,839,336 km (0.1 R)
• M25: 82,378,611 km (0.095 R)
• M26: 82,892,928 km (0.068 R)
• M27: 92,519,252 km (0.071 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 183 - 10,591 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit