🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.2

Radius: 11.9

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.73 AU - 0.75 AU

Year: 424 Days

Day: 8.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,805,468 km

• M1: 147,952 km (0.037 R)
• M2: 530,474 km (0.118 R)
• M3: 908,807 km (0.111 R)
• M4: 1,288,636 km (0.093 R)
• M5: 1,871,021 km (0.073 R)
• M6: 2,514,740 km (0.113 R)
• M7: 2,938,252 km (0.117 R)
• M8: 3,313,593 km (0.058 R)
• M9: 3,759,843 km (0.117 R)
• M10: 4,593,552 km (0.102 R)
• M11: 5,429,056 km (0.096 R)
• M12: 5,980,923 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.6

Radius: 12.3

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.89 AU - 1.01 AU

Year: 617 Days

Day: 9.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,805,468 km

• M1: 153,039 km (0.065 R)
• M2: 1,029,981 km (0.097 R)
• M3: 2,187,270 km (0.088 R)
• M4: 2,601,208 km (0.052 R)
• M5: 4,326,221 km (0.112 R)
• M6: 5,659,437 km (0.077 R)
• M7: 6,117,655 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.5

Radius: 14.6

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.93 AU - 1.15 AU

Year: 707 Days

Day: 10.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,805,468 km

• M1: 184,305 km (0.069 R)
• M2: 693,237 km (0.1 R)
• M3: 2,060,411 km (0.116 R)
• M4: 2,655,661 km (0.09 R)
• M5: 3,815,344 km (0.07 R)
• M6: 4,624,070 km (0.102 R)
• M7: 5,113,554 km (0.045 R)
• M8: 6,647,232 km (0.061 R)

Asteroid Belt

Center: 1.48 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.2

Radius: 13.6

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.52 AU - 2.32 AU

Year: 1774 Days

Day: 11.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,805,468 km

• M1: 169,195 km (0.113 R)
• M2: 608,115 km (0.05 R)
• M3: 1,161,029 km (0.083 R)
• M4: 1,665,323 km (0.106 R)
• M5: 2,254,290 km (0.067 R)
• M6: 3,118,517 km (0.118 R)
• M7: 3,542,328 km (0.113 R)
• M8: 5,954,145 km (0.061 R)
• M9: 6,404,734 km (0.057 R)
• M10: 6,959,143 km (0.04 R)
• M11: 7,545,717 km (0.069 R)
• M12: 8,502,844 km (0.102 R)
• M13: 9,372,007 km (0.118 R)
• M14: 10,406,477 km (0.108 R)
• M15: 10,877,710 km (0.043 R)
• M16: 12,498,902 km (0.115 R)
• M17: 13,073,508 km (0.095 R)
• M18: 15,364,001 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.5

Radius: 10.6

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 4.21 AU - 4.61 AU

Year: 6176 Days

Day: 7.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 33,805,468 km

• M1: 131,796 km (0.077 R)
• M2: 526,734 km (0.054 R)
• M3: 1,430,604 km (0.064 R)
• M4: 2,081,056 km (0.03 R)
• M5: 2,594,326 km (0.119 R)
• M6: 2,956,802 km (0.089 R)
• M7: 5,897,298 km (0.052 R)
• M8: 6,239,428 km (0.096 R)
• M9: 6,760,777 km (0.097 R)
• M10: 7,890,839 km (0.052 R)
• M11: 9,224,953 km (0.118 R)
• M12: 9,559,753 km (0.032 R)
• M13: 11,500,037 km (0.063 R)
• M14: 14,627,829 km (0.104 R)
• M15: 16,204,741 km (0.109 R)
• M16: 17,317,001 km (0.068 R)
• M17: 18,611,920 km (0.089 R)
• M18: 19,080,012 km (0.12 R)
• M19: 23,189,316 km (0.112 R)
• M20: 24,600,622 km (0.079 R)
• M21: 27,766,711 km (0.095 R)
• M22: 29,177,569 km (0.12 R)
• M23: 30,174,938 km (0.11 R)
• M24: 30,543,098 km (0.104 R)
• M25: 31,382,641 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.2

Radius: 13.8

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 3.86 AU - 6.36 AU

Year: 7703 Days

Day: 6.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,805,468 km

• M1: 184,903 km (0.04 R)
• M2: 888,163 km (0.106 R)
• M3: 1,621,641 km (0.051 R)
• M4: 2,085,095 km (0.109 R)
• M5: 3,423,248 km (0.101 R)
• M6: 4,110,501 km (0.092 R)
• M7: 4,667,005 km (0.085 R)
• M8: 5,487,100 km (0.108 R)
• M9: 13,792,325 km (0.069 R)
• M10: 16,717,562 km (0.109 R)
• M11: 21,028,075 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 109.6

Radius: 7.3

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 6.45 AU - 9.35 AU

Year: 14807 Days

Day: 18 Hours

Environment

Temp: -241 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,805,468 km

• M1: 90,806 km (0.084 R)
• M2: 407,505 km (0.079 R)
• M3: 815,159 km (0.117 R)
• M4: 1,216,380 km (0.067 R)
• M5: 1,703,471 km (0.057 R)
• M6: 2,075,371 km (0.116 R)
• M7: 2,642,497 km (0.108 R)
• M8: 2,904,443 km (0.084 R)
• M9: 3,245,675 km (0.081 R)
• M10: 5,429,206 km (0.112 R)
• M11: 6,944,932 km (0.043 R)
• M12: 8,321,980 km (0.088 R)
• M13: 8,682,660 km (0.061 R)
• M14: 10,050,434 km (0.054 R)
• M15: 14,144,179 km (0.089 R)
• M16: 16,337,583 km (0.114 R)
• M17: 20,795,750 km (0.111 R)
• M18: 22,754,584 km (0.108 R)
• M19: 24,180,551 km (0.062 R)
• M20: 33,603,571 km (0.094 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: 424 - 13,338 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit