🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.95 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.43 AU - 2.35 AU

Year: 974 Days

Day: 28.5 Hours

Environment

Temp: -62 °C

Axial Tilt: 25.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.72 AU - 2.76 AU

Year: 1700 Days

Day: 35 Hours

Environment

Temp: -104 °C

Axial Tilt: 6.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 56,539,854 km

• M1: 401,820 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.2

Radius: 11.1

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 5.41 AU - 8.07 AU

Year: 6557 Days

Day: 10.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,539,854 km

• M1: 138,079 km (0.087 R)
• M2: 533,167 km (0.083 R)
• M3: 1,137,692 km (0.119 R)
• M4: 1,618,200 km (0.046 R)
• M5: 3,281,429 km (0.055 R)
• M6: 3,829,705 km (0.094 R)
• M7: 4,924,463 km (0.069 R)
• M8: 5,720,772 km (0.043 R)
• M9: 6,628,831 km (0.106 R)
• M10: 7,723,289 km (0.049 R)
• M11: 8,428,942 km (0.083 R)
• M12: 10,005,854 km (0.109 R)
• M13: 11,565,411 km (0.109 R)
• M14: 12,190,132 km (0.042 R)
• M15: 16,318,285 km (0.069 R)
• M16: 17,318,198 km (0.069 R)
• M17: 17,860,789 km (0.032 R)
• M18: 19,036,927 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.5

Radius: 10.6

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 8.32 AU - 10.84 AU

Year: 11112 Days

Day: 8.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 56,539,854 km

• M1: 133,441 km (0.093 R)
• M2: 556,803 km (0.098 R)
• M3: 1,244,056 km (0.11 R)
• M4: 2,012,540 km (0.11 R)
• M5: 2,718,642 km (0.09 R)
• M6: 3,981,398 km (0.06 R)
• M7: 4,439,466 km (0.083 R)
• M8: 4,805,832 km (0.093 R)
• M9: 5,427,560 km (0.1 R)
• M10: 6,139,197 km (0.115 R)
• M11: 7,197,004 km (0.055 R)
• M12: 7,532,702 km (0.094 R)
• M13: 9,078,347 km (0.077 R)
• M14: 11,663,248 km (0.067 R)
• M15: 13,979,472 km (0.096 R)
• M16: 16,805,675 km (0.116 R)
• M17: 19,020,920 km (0.1 R)
• M18: 20,573,896 km (0.053 R)
• M19: 30,380,635 km (0.101 R)
• M20: 34,355,899 km (0.096 R)
• M21: 35,795,031 km (0.105 R)
• M22: 36,652,974 km (0.115 R)
• M23: 37,399,019 km (0.113 R)
• M24: 38,921,776 km (0.025 R)
• M25: 40,221,781 km (0.087 R)
• M26: 40,749,862 km (0.079 R)
• M27: 41,416,470 km (0.055 R)
• M28: 47,159,682 km (0.116 R)
• M29: 47,599,649 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.2

Radius: 11.4

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 8.35 AU - 12.65 AU

Year: 12750 Days

Day: 11.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,539,854 km

• M1: 158,424 km (0.112 R)
• M2: 609,611 km (0.073 R)
• M3: 1,191,697 km (0.046 R)
• M4: 1,594,713 km (0.055 R)
• M5: 2,749,310 km (0.064 R)
• M6: 3,492,661 km (0.099 R)
• M7: 4,050,063 km (0.1 R)
• M8: 6,895,265 km (0.063 R)
• M9: 11,365,997 km (0.104 R)
• M10: 17,850,616 km (0.112 R)
• M11: 19,343,005 km (0.116 R)
• M12: 22,574,917 km (0.107 R)
• M13: 27,968,968 km (0.071 R)
• M14: 29,547,674 km (0.071 R)
• M15: 34,520,756 km (0.044 R)
• M16: 42,299,696 km (0.088 R)
• M17: 49,185,686 km (0.104 R)
• M18: 50,401,617 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 189

Radius: 6.1

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 12.86 AU - 19.5 AU

Year: 24389 Days

Day: 23.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,539,854 km

• M1: 75,996 km (0.096 R)
• M2: 274,213 km (0.083 R)
• M3: 507,586 km (0.094 R)
• M4: 780,901 km (0.117 R)
• M5: 1,288,935 km (0.105 R)
• M6: 1,741,768 km (0.083 R)
• M7: 2,475,994 km (0.106 R)
• M8: 2,732,256 km (0.088 R)
• M9: 5,221,115 km (0.102 R)
• M10: 5,464,960 km (0.078 R)
• M11: 5,975,687 km (0.064 R)
• M12: 7,261,630 km (0.106 R)
• M13: 8,199,758 km (0.057 R)
• M14: 10,045,048 km (0.087 R)
• M15: 15,725,878 km (0.064 R)
• M16: 22,863,791 km (0.096 R)
• M17: 25,255,561 km (0.089 R)
• M18: 30,981,121 km (0.1 R)
• M19: 31,781,320 km (0.057 R)
• M20: 37,643,462 km (0.113 R)
• M21: 38,423,465 km (0.117 R)
• M22: 44,187,172 km (0.084 R)
• M23: 48,486,615 km (0.053 R)
• M24: 54,862,775 km (0.075 R)
• M25: 56,201,676 km (0.12 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 397 - 13,397 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit