🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393

Radius: 9.1

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.8 AU - 1.16 AU

Year: 682 Days

Day: 10.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 31,600,130 km

• M1: 113,246 km (0.119 R)
• M2: 658,530 km (0.05 R)
• M3: 964,757 km (0.067 R)
• M4: 1,408,165 km (0.075 R)
• M5: 1,708,557 km (0.082 R)
• M6: 1,991,896 km (0.12 R)
• M7: 4,596,993 km (0.114 R)
• M8: 5,201,817 km (0.117 R)
• M9: 5,985,710 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.1

Radius: 14.3

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.39 AU - 2.01 AU

Year: 1558 Days

Day: 6.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,600,130 km

• M1: 177,872 km (0.118 R)
• M2: 659,427 km (0.1 R)
• M3: 1,298,958 km (0.073 R)
• M4: 1,793,529 km (0.111 R)
• M5: 2,576,823 km (0.107 R)
• M6: 3,709,429 km (0.118 R)
• M7: 4,225,392 km (0.048 R)
• M8: 4,672,689 km (0.057 R)
• M9: 5,172,496 km (0.063 R)
• M10: 5,797,067 km (0.084 R)
• M11: 6,691,363 km (0.066 R)
• M12: 8,118,527 km (0.097 R)
• M13: 8,755,066 km (0.113 R)
• M14: 12,870,653 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.4

Radius: 11.6

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.74 AU - 2.16 AU

Year: 1914 Days

Day: 8.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,600,130 km

• M1: 144,212 km (0.068 R)
• M2: 609,163 km (0.032 R)
• M3: 989,889 km (0.081 R)
• M4: 1,526,945 km (0.094 R)
• M5: 2,279,273 km (0.103 R)
• M6: 3,519,888 km (0.078 R)
• M7: 3,881,915 km (0.052 R)
• M8: 4,349,558 km (0.079 R)
• M9: 5,144,072 km (0.117 R)
• M10: 6,212,201 km (0.09 R)
• M11: 6,881,951 km (0.046 R)
• M12: 7,422,598 km (0.037 R)
• M13: 9,015,067 km (0.115 R)
• M14: 11,754,952 km (0.071 R)
• M15: 12,445,795 km (0.109 R)
• M16: 17,018,852 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.4

Radius: 13.3

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.9 AU - 3.44 AU

Year: 3967 Days

Day: 8.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,600,130 km

• M1: 165,455 km (0.063 R)
• M2: 840,291 km (0.112 R)
• M3: 1,619,397 km (0.051 R)
• M4: 2,669,424 km (0.103 R)
• M5: 3,311,798 km (0.065 R)
• M6: 3,795,896 km (0.096 R)
• M7: 5,564,442 km (0.115 R)
• M8: 9,972,194 km (0.079 R)
• M9: 10,436,247 km (0.117 R)
• M10: 14,459,233 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.8

Radius: 8.5

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.88 AU - 3.92 AU

Year: 4407 Days

Day: 10.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 31,600,130 km

• M1: 105,766 km (0.113 R)
• M2: 493,374 km (0.045 R)
• M3: 871,557 km (0.114 R)
• M4: 1,208,601 km (0.111 R)
• M5: 1,746,854 km (0.083 R)
• M6: 2,019,272 km (0.061 R)
• M7: 2,348,986 km (0.087 R)
• M8: 2,619,758 km (0.117 R)
• M9: 2,996,296 km (0.103 R)
• M10: 3,408,587 km (0.059 R)
• M11: 4,023,884 km (0.056 R)
• M12: 5,095,603 km (0.118 R)
• M13: 6,375,412 km (0.083 R)
• M14: 7,627,995 km (0.112 R)
• M15: 8,749,531 km (0.042 R)
• M16: 9,110,211 km (0.116 R)
• M17: 9,631,709 km (0.091 R)
• M18: 10,251,942 km (0.096 R)
• M19: 10,612,323 km (0.06 R)
• M20: 11,358,518 km (0.099 R)
• M21: 12,317,589 km (0.078 R)
• M22: 12,679,467 km (0.095 R)
• M23: 13,953,143 km (0.076 R)
• M24: 14,950,213 km (0.103 R)
• M25: 15,623,254 km (0.094 R)
• M26: 18,815,074 km (0.082 R)
• M27: 20,217,703 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139

Radius: 8.9

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 4.25 AU - 4.77 AU

Year: 6732 Days

Day: 11.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,600,130 km

• M1: 110,702 km (0.105 R)
• M2: 777,161 km (0.035 R)
• M3: 1,858,155 km (0.039 R)
• M4: 2,388,629 km (0.096 R)
• M5: 3,731,270 km (0.045 R)
• M6: 4,690,940 km (0.108 R)
• M7: 5,622,337 km (0.108 R)
• M8: 6,215,343 km (0.067 R)
• M9: 7,430,975 km (0.095 R)
• M10: 9,191,892 km (0.074 R)
• M11: 11,979,349 km (0.073 R)
• M12: 13,377,042 km (0.12 R)
• M13: 15,543,069 km (0.119 R)
• M14: 17,989,892 km (0.095 R)
• M15: 20,000,936 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.1

Radius: 10.2

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.77 AU - 5.43 AU

Year: 6935 Days

Day: 12.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 31,600,130 km

• M1: 131,347 km (0.088 R)
• M2: 485,295 km (0.061 R)
• M3: 817,702 km (0.053 R)
• M4: 1,363,884 km (0.12 R)
• M5: 1,733,989 km (0.101 R)
• M6: 2,392,668 km (0.084 R)
• M7: 3,852,295 km (0.083 R)
• M8: 5,193,739 km (0.106 R)
• M9: 5,713,442 km (0.075 R)
• M10: 6,891,076 km (0.11 R)
• M11: 8,611,601 km (0.116 R)
• M12: 9,299,303 km (0.105 R)
• M13: 9,635,300 km (0.105 R)
• M14: 10,154,554 km (0.118 R)
• M15: 12,370,547 km (0.102 R)
• M16: 13,834,063 km (0.086 R)
• M17: 15,177,751 km (0.082 R)
• M18: 17,102,029 km (0.073 R)
• M19: 18,057,959 km (0.096 R)
• M20: 18,648,272 km (0.075 R)
• M21: 19,048,895 km (0.039 R)
• M22: 20,638,373 km (0.104 R)
• M23: 21,067,270 km (0.12 R)
• M24: 22,314,467 km (0.041 R)
• M25: 29,839,988 km (0.036 R)
• M26: 30,665,320 km (0.077 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 483 - 13,765 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit