🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.3

Radius: 13.7

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.64 AU - 0.7 AU

Year: 366 Days

Day: 7.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,652,779 km

• M1: 170,392 km (0.051 R)
• M2: 731,833 km (0.112 R)
• M3: 1,193,641 km (0.104 R)
• M4: 1,761,365 km (0.063 R)
• M5: 2,333,876 km (0.106 R)
• M6: 2,779,828 km (0.088 R)
• M7: 4,227,785 km (0.098 R)
• M8: 4,705,751 km (0.068 R)
• M9: 5,204,211 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381

Radius: 8.4

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.75 AU - 0.99 AU

Year: 541 Days

Day: 11.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,652,779 km

• M1: 104,569 km (0.106 R)
• M2: 461,360 km (0.102 R)
• M3: 755,619 km (0.102 R)
• M4: 1,300,005 km (0.091 R)
• M5: 1,695,841 km (0.099 R)
• M6: 2,011,194 km (0.099 R)
• M7: 2,411,667 km (0.052 R)
• M8: 2,731,208 km (0.107 R)
• M9: 3,246,573 km (0.072 R)
• M10: 4,428,695 km (0.072 R)
• M11: 4,805,383 km (0.104 R)
• M12: 5,125,073 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.8

Radius: 9.9

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.11 AU - 1.53 AU

Year: 1011 Days

Day: 13.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,652,779 km

• M1: 123,119 km (0.094 R)
• M2: 514,168 km (0.092 R)
• M3: 876,195 km (0.1 R)
• M4: 1,367,474 km (0.111 R)
• M5: 2,218,536 km (0.119 R)
• M6: 2,688,423 km (0.063 R)
• M7: 3,116,572 km (0.032 R)
• M8: 3,813,549 km (0.052 R)
• M9: 5,114,751 km (0.115 R)
• M10: 5,959,231 km (0.116 R)
• M11: 6,825,702 km (0.112 R)
• M12: 7,337,028 km (0.077 R)
• M13: 7,873,486 km (0.09 R)
• M14: 8,514,812 km (0.105 R)
• M15: 9,135,194 km (0.116 R)
• M16: 9,641,433 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398

Radius: 8.9

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.5 AU - 4.92 AU

Year: 5760 Days

Day: 5.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 43,652,779 km

• M1: 111,151 km (0.085 R)
• M2: 468,541 km (0.067 R)
• M3: 1,386,772 km (0.097 R)
• M4: 1,902,436 km (0.084 R)
• M5: 2,334,176 km (0.117 R)
• M6: 2,640,702 km (0.104 R)
• M7: 3,010,807 km (0.113 R)
• M8: 5,436,387 km (0.088 R)
• M9: 5,746,204 km (0.079 R)
• M10: 7,825,465 km (0.043 R)
• M11: 8,668,449 km (0.097 R)
• M12: 10,149,617 km (0.088 R)
• M13: 10,708,066 km (0.11 R)
• M14: 12,217,658 km (0.078 R)
• M15: 13,968,552 km (0.117 R)
• M16: 14,337,759 km (0.049 R)
• M17: 15,206,324 km (0.095 R)
• M18: 15,880,562 km (0.114 R)
• M19: 17,168,001 km (0.117 R)
• M20: 23,164,632 km (0.093 R)
• M21: 25,126,758 km (0.107 R)
• M22: 26,307,833 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.9

Radius: 11.8

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 4.4 AU - 6.02 AU

Year: 7930 Days

Day: 13.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,652,779 km

• M1: 147,055 km (0.087 R)
• M2: 567,275 km (0.111 R)
• M3: 1,102,387 km (0.079 R)
• M4: 1,603,240 km (0.094 R)
• M5: 1,980,377 km (0.09 R)
• M6: 2,519,527 km (0.03 R)
• M7: 3,340,520 km (0.112 R)
• M8: 4,207,291 km (0.049 R)
• M9: 5,189,700 km (0.112 R)
• M10: 6,125,434 km (0.117 R)
• M11: 6,617,163 km (0.082 R)
• M12: 7,064,311 km (0.11 R)
• M13: 7,458,501 km (0.047 R)
• M14: 11,067,998 km (0.088 R)
• M15: 11,502,879 km (0.1 R)
• M16: 16,753,466 km (0.114 R)
• M17: 20,978,259 km (0.075 R)
• M18: 23,257,083 km (0.079 R)
• M19: 26,034,069 km (0.107 R)
• M20: 28,571,548 km (0.102 R)
• M21: 30,133,349 km (0.099 R)
• M22: 30,508,840 km (0.09 R)
• M23: 30,982,766 km (0.039 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 251.9

Radius: 5.4

Gravity: 8.64 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 6.96 AU - 8.5 AU

Year: 14332 Days

Day: 23 Hours

Environment

Temp: -237 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 43,652,779 km

• M1: 74,350 km (0.069 R)
• M2: 329,863 km (0.102 R)
• M3: 764,595 km (0.094 R)
• M4: 1,605,185 km (0.087 R)
• M5: 3,027,412 km (0.052 R)
• M6: 3,856,484 km (0.096 R)
• M7: 4,199,960 km (0.116 R)
• M8: 4,947,950 km (0.053 R)
• M9: 6,266,655 km (0.116 R)
• M10: 6,930,271 km (0.069 R)
• M11: 9,018,657 km (0.12 R)
• M12: 9,202,064 km (0.107 R)
• M13: 10,354,566 km (0.07 R)
• M14: 14,137,896 km (0.086 R)
• M15: 19,049,494 km (0.081 R)
• M16: 27,790,048 km (0.09 R)
• M17: 31,001,316 km (0.085 R)
• M18: 36,500,235 km (0.044 R)
• M19: 38,148,953 km (0.04 R)
• M20: 39,356,507 km (0.096 R)
• M21: 42,486,543 km (0.091 R)
• M22: 43,522,209 km (0.11 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 12,689 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit