🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.45 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.7

Radius: 13.3

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.4 AU - 3.4 AU

Year: 3293 Days

Day: 6.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,444,031 km

• M1: 165,455 km (0.083 R)
• M2: 982,409 km (0.073 R)
• M3: 1,596,957 km (0.116 R)
• M4: 2,601,058 km (0.106 R)
• M5: 4,812,264 km (0.076 R)
• M6: 5,581,048 km (0.085 R)
• M7: 6,023,708 km (0.108 R)
• M8: 6,948,671 km (0.067 R)
• M9: 7,594,186 km (0.093 R)
• M10: 8,350,254 km (0.057 R)
• M11: 8,857,241 km (0.092 R)
• M12: 9,500,362 km (0.091 R)
• M13: 11,574,088 km (0.102 R)
• M14: 12,022,582 km (0.115 R)
• M15: 12,529,420 km (0.048 R)
• M16: 14,493,640 km (0.051 R)
• M17: 17,578,049 km (0.042 R)
• M18: 17,992,136 km (0.113 R)
• M19: 18,473,392 km (0.085 R)
• M20: 19,650,877 km (0.072 R)
• M21: 22,569,232 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.9

Radius: 14

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.69 AU - 3.85 AU

Year: 3943 Days

Day: 7.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,444,031 km

• M1: 174,132 km (0.062 R)
• M2: 838,047 km (0.091 R)
• M3: 1,281,904 km (0.052 R)
• M4: 2,096,465 km (0.109 R)
• M5: 2,622,151 km (0.025 R)
• M6: 3,109,392 km (0.071 R)
• M7: 4,269,374 km (0.093 R)
• M8: 4,851,459 km (0.04 R)
• M9: 6,526,955 km (0.077 R)
• M10: 8,103,417 km (0.098 R)
• M11: 9,036,759 km (0.114 R)
• M12: 11,074,730 km (0.067 R)
• M13: 13,846,031 km (0.12 R)
• M14: 15,339,167 km (0.12 R)
• M15: 19,257,734 km (0.051 R)
• M16: 23,020,420 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.3

Radius: 12.4

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.88 AU - 3.88 AU

Year: 4144 Days

Day: 13.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,444,031 km

• M1: 154,535 km (0.113 R)
• M2: 577,747 km (0.092 R)
• M3: 1,050,775 km (0.111 R)
• M4: 1,463,666 km (0.112 R)
• M5: 2,325,499 km (0.072 R)
• M6: 3,008,712 km (0.09 R)
• M7: 4,186,048 km (0.107 R)
• M8: 4,598,639 km (0.093 R)
• M9: 5,065,234 km (0.105 R)
• M10: 5,824,593 km (0.068 R)
• M11: 6,309,589 km (0.084 R)
• M12: 7,747,973 km (0.081 R)
• M13: 9,111,857 km (0.062 R)
• M14: 9,600,294 km (0.098 R)
• M15: 10,020,813 km (0.072 R)
• M16: 10,541,414 km (0.106 R)
• M17: 14,542,559 km (0.068 R)
• M18: 15,438,051 km (0.101 R)
• M19: 17,338,992 km (0.065 R)
• M20: 19,126,387 km (0.115 R)
• M21: 22,178,782 km (0.085 R)
• M22: 23,440,640 km (0.101 R)
• M23: 26,515,475 km (0.098 R)
• M24: 27,177,894 km (0.117 R)
• M25: 28,535,943 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.7

Radius: 12

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.85 AU - 5.61 AU

Year: 6860 Days

Day: 13.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,444,031 km

• M1: 149,299 km (0.097 R)
• M2: 528,828 km (0.082 R)
• M3: 1,140,983 km (0.064 R)
• M4: 2,334,924 km (0.057 R)
• M5: 3,950,880 km (0.074 R)
• M6: 4,418,074 km (0.109 R)
• M7: 5,717,631 km (0.077 R)
• M8: 6,282,961 km (0.082 R)
• M9: 7,880,666 km (0.068 R)
• M10: 10,639,849 km (0.094 R)
• M11: 12,728,834 km (0.097 R)
• M12: 13,752,981 km (0.106 R)
• M13: 16,290,011 km (0.115 R)
• M14: 18,762,116 km (0.086 R)
• M15: 19,490,957 km (0.086 R)
• M16: 20,466,634 km (0.069 R)
• M17: 23,255,288 km (0.082 R)
• M18: 26,288,086 km (0.077 R)
• M19: 26,741,966 km (0.104 R)
• M20: 27,200,932 km (0.12 R)
• M21: 28,040,326 km (0.063 R)
• M22: 29,771,023 km (0.074 R)
• M23: 32,395,120 km (0.061 R)
• M24: 35,279,666 km (0.05 R)
• M25: 39,032,478 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.7

Radius: 8.4

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 5.26 AU - 5.74 AU

Year: 8601 Days

Day: 12.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,444,031 km

• M1: 104,569 km (0.118 R)
• M2: 683,213 km (0.056 R)
• M3: 1,157,738 km (0.057 R)
• M4: 1,982,920 km (0.104 R)
• M5: 2,376,362 km (0.113 R)
• M6: 2,673,015 km (0.091 R)
• M7: 3,034,144 km (0.032 R)
• M8: 4,266,382 km (0.043 R)
• M9: 5,559,356 km (0.061 R)
• M10: 7,131,330 km (0.049 R)
• M11: 9,146,863 km (0.055 R)
• M12: 13,815,064 km (0.08 R)
• M13: 18,145,923 km (0.087 R)
• M14: 24,588,355 km (0.053 R)
• M15: 26,516,073 km (0.087 R)
• M16: 27,737,540 km (0.096 R)
• M17: 29,270,768 km (0.079 R)
• M18: 32,603,659 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 666.7

Radius: 7.9

Gravity: 10.68 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 7.41 AU - 10.37 AU

Year: 17676 Days

Day: 19.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,444,031 km

• M1: 98,286 km (0.115 R)
• M2: 604,525 km (0.088 R)
• M3: 986,748 km (0.05 R)
• M4: 1,524,701 km (0.098 R)
• M5: 2,847,895 km (0.117 R)
• M6: 3,387,793 km (0.097 R)
• M7: 6,459,636 km (0.053 R)
• M8: 6,936,554 km (0.112 R)
• M9: 7,206,429 km (0.099 R)
• M10: 7,577,132 km (0.087 R)
• M11: 9,135,643 km (0.079 R)
• M12: 13,281,598 km (0.097 R)
• M13: 13,628,366 km (0.09 R)
• M14: 13,910,358 km (0.095 R)
• M15: 19,142,394 km (0.113 R)
• M16: 19,764,272 km (0.102 R)
• M17: 22,192,695 km (0.114 R)
• M18: 25,981,410 km (0.093 R)
• M19: 45,448,432 km (0.109 R)
• M20: 47,516,772 km (0.109 R)
• M21: 49,980,200 km (0.114 R)
• M22: 51,328,376 km (0.112 R)
• M23: 54,804,432 km (0.071 R)
• M24: 58,805,726 km (0.118 R)
• M25: 61,835,233 km (0.081 R)
• M26: 67,588,468 km (0.115 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 352 - 18,232 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit