🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.9

Radius: 13.6

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.46 AU - 0.56 AU

Year: 247 Days

Day: 12.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 78,143,485 km

• M1: 169,345 km (0.037 R)
• M2: 626,067 km (0.119 R)
• M3: 1,596,359 km (0.114 R)
• M4: 2,286,903 km (0.11 R)
• M5: 2,749,459 km (0.072 R)
• M6: 3,451,522 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.7

Radius: 12.6

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.95 AU - 1.57 AU

Year: 959 Days

Day: 5.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,143,485 km

• M1: 156,629 km (0.068 R)
• M2: 586,872 km (0.052 R)
• M3: 1,295,218 km (0.118 R)
• M4: 2,110,976 km (0.071 R)
• M5: 3,145,445 km (0.089 R)
• M6: 3,666,345 km (0.085 R)
• M7: 5,658,689 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955

Radius: 10.4

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.57 AU - 1.69 AU

Year: 1411 Days

Day: 13.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,143,485 km

• M1: 137,630 km (0.106 R)
• M2: 487,539 km (0.104 R)
• M3: 912,547 km (0.041 R)
• M4: 1,475,633 km (0.104 R)
• M5: 1,895,555 km (0.116 R)
• M6: 2,765,765 km (0.075 R)
• M7: 3,883,112 km (0.117 R)
• M8: 4,246,784 km (0.118 R)
• M9: 4,794,163 km (0.116 R)
• M10: 5,703,120 km (0.091 R)
• M11: 6,078,161 km (0.044 R)
• M12: 7,440,250 km (0.065 R)
• M13: 8,565,376 km (0.068 R)
• M14: 8,995,918 km (0.096 R)
• M15: 9,603,136 km (0.091 R)
• M16: 11,627,046 km (0.096 R)
• M17: 12,347,808 km (0.085 R)
• M18: 13,920,381 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.6

Radius: 11.3

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.76 AU - 2.3 AU

Year: 1962 Days

Day: 7.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 78,143,485 km

• M1: 141,819 km (0.104 R)
• M2: 767,138 km (0.059 R)
• M3: 1,390,662 km (0.065 R)
• M4: 1,990,848 km (0.101 R)
• M5: 3,020,830 km (0.084 R)
• M6: 3,584,963 km (0.052 R)
• M7: 4,669,698 km (0.08 R)
• M8: 5,261,357 km (0.078 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 336.4

Radius: 6.6

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 6.64 AU - 8.58 AU

Year: 14239 Days

Day: 20.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,143,485 km

• M1: 82,129 km (0.05 R)
• M2: 776,114 km (0.037 R)
• M3: 1,296,266 km (0.078 R)
• M4: 3,186,135 km (0.089 R)
• M5: 4,069,511 km (0.106 R)
• M6: 5,074,509 km (0.028 R)
• M7: 6,272,340 km (0.105 R)
• M8: 6,570,638 km (0.103 R)
• M9: 8,884,318 km (0.053 R)
• M10: 11,747,322 km (0.119 R)
• M11: 13,325,430 km (0.025 R)
• M12: 15,846,902 km (0.042 R)
• M13: 18,822,853 km (0.06 R)
• M14: 20,482,492 km (0.086 R)
• M15: 22,323,443 km (0.094 R)
• M16: 26,814,371 km (0.118 R)
• M17: 27,304,005 km (0.118 R)
• M18: 35,851,579 km (0.097 R)
• M19: 36,445,781 km (0.088 R)
• M20: 37,046,417 km (0.06 R)
• M21: 39,013,180 km (0.097 R)
• M22: 40,404,889 km (0.049 R)
• M23: 43,421,380 km (0.088 R)
• M24: 44,641,501 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 915.2

Radius: 5.4

Gravity: 31.39 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 8.18 AU - 9.62 AU

Year: 18008 Days

Day: 21.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 78,143,485 km

• M1: 74,201 km (0.093 R)
• M2: 300,243 km (0.041 R)
• M3: 485,595 km (0.097 R)
• M4: 759,658 km (0.079 R)
• M5: 1,146,518 km (0.066 R)
• M6: 1,377,048 km (0.098 R)
• M7: 1,912,908 km (0.099 R)
• M8: 3,082,015 km (0.112 R)
• M9: 3,385,998 km (0.094 R)
• M10: 3,832,697 km (0.103 R)
• M11: 4,021,939 km (0.095 R)
• M12: 4,770,227 km (0.106 R)
• M13: 6,449,613 km (0.057 R)
• M14: 7,373,230 km (0.09 R)
• M15: 8,919,474 km (0.11 R)
• M16: 10,003,460 km (0.076 R)
• M17: 11,365,100 km (0.093 R)
• M18: 13,270,827 km (0.108 R)
• M19: 13,705,259 km (0.109 R)
• M20: 15,939,803 km (0.081 R)
• M21: 16,184,096 km (0.08 R)
• M22: 19,497,090 km (0.108 R)
• M23: 25,939,672 km (0.094 R)
• M24: 26,618,398 km (0.092 R)
• M25: 29,943,659 km (0.078 R)
• M26: 31,449,661 km (0.067 R)
• M27: 33,269,818 km (0.051 R)
• M28: 33,802,536 km (0.106 R)
• M29: 36,410,476 km (0.12 R)
• M30: 39,149,464 km (0.105 R)
• M31: 44,710,166 km (0.112 R)
• M32: 49,038,332 km (0.118 R)
• M33: 49,728,127 km (0.106 R)
• M34: 54,738,310 km (0.075 R)
• M35: 56,795,280 km (0.107 R)
• M36: 71,545,930 km (0.042 R)
• M37: 72,432,895 km (0.062 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: 474 - 11,866 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit