🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.3

Radius: 12.1

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.58 AU - 0.66 AU

Year: 331 Days

Day: 5.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 158.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,006,763 km

• M1: 150,495 km (0.1 R)
• M2: 547,229 km (0.071 R)
• M3: 1,050,177 km (0.114 R)
• M4: 1,595,611 km (0.059 R)
• M5: 2,005,359 km (0.069 R)
• M6: 2,432,013 km (0.069 R)
• M7: 2,858,666 km (0.084 R)
• M8: 3,302,223 km (0.098 R)
• M9: 3,853,043 km (0.097 R)
• M10: 4,478,362 km (0.118 R)
• M11: 4,961,563 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686

Radius: 12.1

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.62 AU - 0.7 AU

Year: 364 Days

Day: 10.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,006,763 km

• M1: 150,495 km (0.076 R)
• M2: 531,970 km (0.095 R)
• M3: 1,112,559 km (0.051 R)
• M4: 1,548,338 km (0.091 R)
• M5: 2,059,065 km (0.109 R)
• M6: 2,540,022 km (0.112 R)
• M7: 2,949,322 km (0.086 R)
• M8: 3,369,094 km (0.091 R)
• M9: 4,042,134 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.5

Radius: 9.7

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.68 AU - 0.74 AU

Year: 406 Days

Day: 14.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,006,763 km

• M1: 120,725 km (0.083 R)
• M2: 444,904 km (0.11 R)
• M3: 753,973 km (0.113 R)
• M4: 1,059,003 km (0.118 R)
• M5: 1,499,419 km (0.067 R)
• M6: 2,132,667 km (0.115 R)
• M7: 2,676,306 km (0.069 R)
• M8: 2,997,193 km (0.072 R)
• M9: 3,332,442 km (0.101 R)
• M10: 3,704,941 km (0.116 R)
• M11: 4,183,504 km (0.108 R)
• M12: 4,745,394 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.9

Radius: 14.8

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.84 AU - 1.14 AU

Year: 668 Days

Day: 5.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,006,763 km

• M1: 184,305 km (0.06 R)
• M2: 644,468 km (0.11 R)
• M3: 1,180,626 km (0.117 R)
• M4: 1,662,182 km (0.081 R)
• M5: 2,636,214 km (0.107 R)
• M6: 3,246,723 km (0.074 R)
• M7: 4,149,695 km (0.111 R)
• M8: 4,645,463 km (0.081 R)
• M9: 5,248,641 km (0.103 R)
• M10: 5,830,427 km (0.083 R)
• M11: 6,553,584 km (0.109 R)

Asteroid Belt

Center: 3.3 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.5

Radius: 14.1

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.22 AU - 7 AU

Year: 9012 Days

Day: 11.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,006,763 km

• M1: 175,478 km (0.067 R)
• M2: 1,312,273 km (0.072 R)
• M3: 1,756,578 km (0.044 R)
• M4: 2,213,600 km (0.063 R)
• M5: 4,851,010 km (0.114 R)
• M6: 8,986,045 km (0.082 R)
• M7: 9,464,758 km (0.076 R)
• M8: 12,586,866 km (0.104 R)
• M9: 16,481,497 km (0.082 R)
• M10: 18,702,127 km (0.112 R)
• M11: 19,804,065 km (0.027 R)
• M12: 26,165,416 km (0.077 R)
• M13: 27,144,833 km (0.108 R)
• M14: 29,281,090 km (0.118 R)
• M15: 32,189,572 km (0.104 R)
• M16: 35,760,773 km (0.102 R)
• M17: 41,009,264 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 692.5

Radius: 5.7

Gravity: 21.31 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 6.73 AU - 8.77 AU

Year: 14633 Days

Day: 16 Hours

Environment

Temp: -231 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 62,006,763 km

• M1: 71,358 km (0.107 R)
• M2: 344,075 km (0.107 R)
• M3: 669,450 km (0.094 R)
• M4: 1,504,655 km (0.111 R)
• M5: 1,776,774 km (0.098 R)
• M6: 2,276,431 km (0.047 R)
• M7: 2,749,160 km (0.062 R)
• M8: 4,064,574 km (0.118 R)
• M9: 4,402,366 km (0.069 R)
• M10: 5,602,739 km (0.043 R)
• M11: 6,298,220 km (0.062 R)
• M12: 7,766,523 km (0.035 R)
• M13: 10,947,871 km (0.069 R)
• M14: 11,968,727 km (0.118 R)
• M15: 13,051,666 km (0.069 R)
• M16: 16,307,065 km (0.036 R)
• M17: 17,158,577 km (0.119 R)
• M18: 18,367,327 km (0.093 R)
• M19: 18,698,836 km (0.114 R)
• M20: 18,950,310 km (0.049 R)
• M21: 22,238,471 km (0.046 R)
• M22: 27,259,275 km (0.062 R)
• M23: 29,124,910 km (0.076 R)
• M24: 29,575,798 km (0.064 R)
• M25: 29,803,187 km (0.087 R)
• M26: 32,500,885 km (0.106 R)
• M27: 33,971,133 km (0.102 R)
• M28: 37,043,425 km (0.026 R)
• M29: 37,839,435 km (0.089 R)
• M30: 44,325,101 km (0.101 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: 485 - 16,736 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit