🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.92 AU - 1.02 AU

Year: 368 Days

Day: 24.8 Hours

Environment

Temp: -1 °C

Axial Tilt: 13.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.02 AU - 1.24 AU

Year: 462 Days

Day: 17 Hours

Environment

Temp: -19 °C

Axial Tilt: 25.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 28,171,500 km

• M1: 59,989 km (0.086 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.54 AU - 1.58 AU

Year: 750 Days

Day: 38.7 Hours

Environment

Temp: -53 °C

Axial Tilt: 13.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,171,500 km

• M1: 149,299 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.4

Radius: 14.2

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 6.05 AU - 9.83 AU

Year: 8614 Days

Day: 10.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 28,171,500 km

• M1: 246,088 km (0.06 R)
• M2: 485,146 km (0.062 R)
• M3: 754,123 km (0.114 R)
• M4: 1,073,814 km (0.102 R)
• M5: 1,721,124 km (0.076 R)
• M6: 2,376,362 km (0.04 R)
• M7: 2,889,333 km (0.109 R)
• M8: 3,140,807 km (0.082 R)
• M9: 3,800,833 km (0.117 R)
• M10: 4,037,198 km (0.059 R)
• M11: 4,503,793 km (0.027 R)
• M12: 4,670,296 km (0.107 R)
• M13: 5,181,921 km (0.098 R)
• M14: 5,290,828 km (0.1 R)
• M15: 5,400,483 km (0.07 R)
• M16: 5,734,086 km (0.115 R)
• M17: 6,166,424 km (0.082 R)
• M18: 6,633,020 km (0.112 R)
• M19: 7,650,136 km (0.11 R)
• M20: 8,949,992 km (0.05 R)
• M21: 9,345,379 km (0.082 R)
• M22: 10,207,960 km (0.115 R)
• M23: 10,648,975 km (0.099 R)
• M24: 12,621,124 km (0.1 R)
• M25: 14,579,958 km (0.101 R)
• M26: 15,045,507 km (0.112 R)
• M27: 16,150,437 km (0.115 R)
• M28: 16,374,684 km (0.1 R)
• M29: 16,535,352 km (0.112 R)
• M30: 17,445,356 km (0.057 R)
• M31: 20,965,244 km (0.09 R)
• M32: 22,375,952 km (0.049 R)
• M33: 22,625,930 km (0.082 R)
• M34: 23,962,886 km (0.081 R)
• M35: 24,622,613 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 57.1

Radius: 7.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 9.7 AU - 13.9 AU

Year: 15606 Days

Day: 24.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 28,171,500 km

• M1: 92,003 km (0.09 R)
• M2: 221,106 km (0.105 R)
• M3: 289,472 km (0.109 R)
• M4: 357,539 km (0.087 R)
• M5: 441,912 km (0.044 R)
• M6: 492,027 km (0.059 R)
• M7: 666,309 km (0.067 R)
• M8: 797,805 km (0.037 R)
• M9: 873,203 km (0.039 R)
• M10: 1,044,941 km (0.098 R)
• M11: 1,184,666 km (0.111 R)
• M12: 2,180,688 km (0.058 R)
• M13: 2,470,609 km (0.1 R)
• M14: 2,544,959 km (0.03 R)
• M15: 2,601,208 km (0.098 R)
• M16: 2,967,573 km (0.073 R)
• M17: 3,288,610 km (0.052 R)
• M18: 3,748,175 km (0.119 R)
• M19: 5,340,644 km (0.083 R)
• M20: 5,510,138 km (0.109 R)
• M21: 5,656,894 km (0.093 R)
• M22: 5,755,329 km (0.084 R)
• M23: 6,079,508 km (0.034 R)
• M24: 6,129,922 km (0.073 R)
• M25: 6,333,076 km (0.104 R)
• M26: 7,113,977 km (0.092 R)
• M27: 8,257,653 km (0.108 R)
• M28: 8,566,572 km (0.107 R)
• M29: 8,708,242 km (0.065 R)
• M30: 9,224,803 km (0.069 R)
• M31: 9,340,891 km (0.099 R)
• M32: 9,899,041 km (0.037 R)
• M33: 10,924,833 km (0.08 R)
• M34: 11,857,726 km (0.085 R)
• M35: 12,301,732 km (0.093 R)
• M36: 12,525,830 km (0.032 R)
• M37: 13,140,827 km (0.036 R)
• M38: 13,633,303 km (0.093 R)
• M39: 14,534,929 km (0.098 R)
• M40: 14,636,356 km (0.077 R)
• M41: 16,184,844 km (0.111 R)
• M42: 16,430,484 km (0.102 R)
• M43: 16,500,795 km (0.097 R)
• M44: 17,174,434 km (0.064 R)
• M45: 17,317,450 km (0.088 R)
• M46: 17,676,634 km (0.113 R)
• M47: 17,784,793 km (0.078 R)
• M48: 18,621,943 km (0.06 R)
• M49: 18,879,251 km (0.097 R)
• M50: 19,063,705 km (0.096 R)
• M51: 19,397,309 km (0.101 R)
• M52: 19,658,207 km (0.069 R)
• M53: 19,882,754 km (0.088 R)
• M54: 19,995,251 km (0.048 R)
• M55: 20,334,240 km (0.116 R)
• M56: 20,485,484 km (0.099 R)
• M57: 21,017,902 km (0.097 R)
• M58: 21,285,832 km (0.064 R)
• M59: 21,439,469 km (0.102 R)
• M60: 21,941,071 km (0.105 R)
• M61: 22,563,996 km (0.034 R)
• M62: 22,995,586 km (0.068 R)
• M63: 23,074,275 km (0.051 R)
• M64: 23,311,088 km (0.091 R)
• M65: 24,748,873 km (0.08 R)
• M66: 24,910,439 km (0.091 R)
• M67: 26,132,953 km (0.067 R)
• M68: 26,627,523 km (0.078 R)
• M69: 27,333,326 km (0.07 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 182 - 19,501 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit