🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.2

Radius: 11.6

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.7 AU - 0.98 AU

Year: 513 Days

Day: 12.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,738,741 km

• M1: 144,212 km (0.115 R)
• M2: 632,051 km (0.092 R)
• M3: 1,060,799 km (0.114 R)
• M4: 1,766,302 km (0.105 R)
• M5: 2,249,354 km (0.051 R)
• M6: 3,656,770 km (0.063 R)
• M7: 4,620,629 km (0.107 R)
• M8: 5,691,451 km (0.091 R)
• M9: 6,776,036 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.3

Radius: 14.9

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.84 AU - 1.26 AU

Year: 717 Days

Day: 9.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,738,741 km

• M1: 189,092 km (0.087 R)
• M2: 699,968 km (0.068 R)
• M3: 1,220,569 km (0.089 R)
• M4: 1,716,037 km (0.093 R)
• M5: 2,348,537 km (0.107 R)
• M6: 3,258,990 km (0.104 R)
• M7: 4,827,673 km (0.119 R)
• M8: 5,687,262 km (0.071 R)
• M9: 6,564,803 km (0.063 R)
• M10: 7,090,341 km (0.104 R)
• M11: 7,827,110 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.2

Radius: 13.3

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.98 AU - 2.74 AU

Year: 2418 Days

Day: 6.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,738,741 km

• M1: 165,455 km (0.114 R)
• M2: 579,243 km (0.075 R)
• M3: 1,013,526 km (0.071 R)
• M4: 1,452,595 km (0.097 R)
• M5: 2,454,303 km (0.105 R)
• M6: 2,996,296 km (0.071 R)
• M7: 4,046,622 km (0.086 R)
• M8: 5,615,306 km (0.046 R)
• M9: 7,092,136 km (0.109 R)
• M10: 8,044,925 km (0.092 R)
• M11: 9,667,014 km (0.107 R)
• M12: 10,241,321 km (0.111 R)
• M13: 10,762,370 km (0.094 R)
• M14: 11,458,299 km (0.085 R)
• M15: 11,898,267 km (0.093 R)
• M16: 12,684,703 km (0.039 R)
• M17: 16,533,557 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.2

Radius: 14

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.15 AU - 3.13 AU

Year: 2860 Days

Day: 14.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,738,741 km

• M1: 174,282 km (0.12 R)
• M2: 684,709 km (0.057 R)
• M3: 1,963,622 km (0.091 R)
• M4: 2,498,584 km (0.12 R)
• M5: 3,063,166 km (0.091 R)
• M6: 4,540,146 km (0.114 R)
• M7: 5,487,998 km (0.054 R)
• M8: 6,478,785 km (0.098 R)
• M9: 8,167,745 km (0.092 R)
• M10: 9,132,800 km (0.072 R)
• M11: 9,905,623 km (0.103 R)
• M12: 11,373,029 km (0.098 R)
• M13: 12,050,707 km (0.1 R)
• M14: 15,903,600 km (0.092 R)
• M15: 18,137,096 km (0.057 R)
• M16: 20,325,863 km (0.052 R)
• M17: 20,821,480 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.5

Radius: 12.4

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.84 AU - 4.84 AU

Year: 6029 Days

Day: 14.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 75.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,738,741 km

• M1: 154,684 km (0.088 R)
• M2: 698,622 km (0.104 R)
• M3: 1,646,175 km (0.119 R)
• M4: 2,611,680 km (0.098 R)
• M5: 3,391,833 km (0.089 R)
• M6: 3,962,100 km (0.095 R)
• M7: 4,531,320 km (0.113 R)
• M8: 6,795,782 km (0.101 R)
• M9: 7,984,487 km (0.056 R)
• M10: 11,120,657 km (0.107 R)
• M11: 14,336,413 km (0.071 R)
• M12: 16,952,431 km (0.096 R)
• M13: 17,479,614 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 433

Radius: 5.5

Gravity: 14.31 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 7.41 AU - 11.73 AU

Year: 19742 Days

Day: 17.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 64,738,741 km

• M1: 68,516 km (0.079 R)
• M2: 273,764 km (0.109 R)
• M3: 451,935 km (0.103 R)
• M4: 720,164 km (0.084 R)
• M5: 996,322 km (0.119 R)
• M6: 1,472,941 km (0.064 R)
• M7: 1,662,032 km (0.086 R)
• M8: 2,148,076 km (0.12 R)
• M9: 2,913,119 km (0.107 R)
• M10: 3,239,093 km (0.079 R)
• M11: 5,614,857 km (0.12 R)
• M12: 5,844,340 km (0.098 R)
• M13: 6,404,285 km (0.031 R)
• M14: 6,868,786 km (0.066 R)
• M15: 7,446,234 km (0.112 R)
• M16: 7,864,659 km (0.114 R)
• M17: 10,195,244 km (0.118 R)
• M18: 12,044,873 km (0.093 R)
• M19: 15,630,734 km (0.069 R)
• M20: 16,009,067 km (0.094 R)
• M21: 16,783,984 km (0.088 R)
• M22: 17,746,646 km (0.095 R)
• M23: 19,258,781 km (0.076 R)
• M24: 24,712,820 km (0.113 R)
• M25: 30,055,110 km (0.117 R)
• M26: 30,288,183 km (0.073 R)
• M27: 33,428,542 km (0.08 R)
• M28: 34,309,673 km (0.08 R)
• M29: 34,564,289 km (0.099 R)
• M30: 56,749,803 km (0.076 R)
• M31: 58,545,276 km (0.095 R)
• M32: 64,544,899 km (0.119 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 16,709 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit