🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.4

Radius: 10.8

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.68 AU - 0.9 AU

Year: 453 Days

Day: 14.2 Hours

Environment

Temp: -136 °C

Axial Tilt: 127.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,976,395 km

• M1: 135,236 km (0.061 R)
• M2: 619,934 km (0.085 R)
• M3: 1,934,600 km (0.102 R)
• M4: 2,490,505 km (0.116 R)
• M5: 2,911,773 km (0.1 R)
• M6: 3,840,477 km (0.069 R)
• M7: 4,228,234 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.8

Radius: 12.9

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.07 AU - 1.15 AU

Year: 755 Days

Day: 12.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,976,395 km

• M1: 161,865 km (0.114 R)
• M2: 565,630 km (0.049 R)
• M3: 1,028,934 km (0.109 R)
• M4: 1,562,999 km (0.098 R)
• M5: 2,056,372 km (0.087 R)
• M6: 2,541,518 km (0.11 R)
• M7: 3,149,634 km (0.11 R)
• M8: 3,893,883 km (0.116 R)
• M9: 5,437,733 km (0.116 R)
• M10: 6,188,116 km (0.093 R)
• M11: 6,745,667 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.4

Radius: 12.6

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 4.18 AU - 5.18 AU

Year: 6537 Days

Day: 8.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 31,976,395 km

• M1: 156,779 km (0.076 R)
• M2: 625,469 km (0.074 R)
• M3: 1,172,698 km (0.095 R)
• M4: 1,738,926 km (0.094 R)
• M5: 3,475,757 km (0.088 R)
• M6: 4,400,122 km (0.064 R)
• M7: 5,392,704 km (0.116 R)
• M8: 5,942,327 km (0.084 R)
• M9: 7,934,073 km (0.074 R)
• M10: 8,728,437 km (0.077 R)
• M11: 11,187,826 km (0.051 R)
• M12: 12,867,810 km (0.11 R)
• M13: 13,964,512 km (0.065 R)
• M14: 17,761,755 km (0.08 R)
• M15: 18,229,847 km (0.05 R)
• M16: 20,402,008 km (0.082 R)
• M17: 20,989,479 km (0.089 R)
• M18: 24,097,973 km (0.033 R)
• M19: 24,920,612 km (0.105 R)
• M20: 29,503,393 km (0.065 R)
• M21: 30,635,699 km (0.079 R)
• M22: 32,786,318 km (0.068 R)
• M23: 34,309,224 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465

Radius: 11.7

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 4.44 AU - 5.82 AU

Year: 7502 Days

Day: 9.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 31,976,395 km

• M1: 145,559 km (0.084 R)
• M2: 540,048 km (0.065 R)
• M3: 938,876 km (0.105 R)
• M4: 1,617,901 km (0.118 R)
• M5: 2,621,104 km (0.052 R)
• M6: 3,075,882 km (0.09 R)
• M7: 3,451,372 km (0.108 R)
• M8: 3,857,531 km (0.028 R)
• M9: 4,713,081 km (0.036 R)
• M10: 5,509,091 km (0.082 R)
• M11: 8,084,867 km (0.099 R)
• M12: 8,847,368 km (0.107 R)
• M13: 9,968,005 km (0.12 R)
• M14: 11,924,147 km (0.106 R)
• M15: 17,028,576 km (0.064 R)
• M16: 17,812,768 km (0.11 R)
• M17: 20,237,600 km (0.078 R)
• M18: 21,117,385 km (0.051 R)
• M19: 21,870,012 km (0.086 R)
• M20: 23,508,408 km (0.093 R)
• M21: 25,395,136 km (0.093 R)
• M22: 25,988,890 km (0.08 R)
• M23: 27,380,898 km (0.064 R)
• M24: 28,639,016 km (0.08 R)
• M25: 29,935,432 km (0.1 R)
• M26: 31,659,248 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 748.2

Radius: 7.8

Gravity: 12.3 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 5.36 AU - 7.22 AU

Year: 10186 Days

Day: 20.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,976,395 km

• M1: 133,292 km (0.043 R)
• M2: 1,685,818 km (0.081 R)
• M3: 1,938,788 km (0.085 R)
• M4: 3,055,537 km (0.113 R)
• M5: 4,951,690 km (0.108 R)
• M6: 8,082,324 km (0.05 R)
• M7: 9,628,418 km (0.084 R)
• M8: 10,924,235 km (0.102 R)
• M9: 15,572,989 km (0.069 R)
• M10: 16,696,469 km (0.084 R)
• M11: 17,131,350 km (0.088 R)
• M12: 18,635,706 km (0.107 R)
• M13: 19,025,109 km (0.089 R)
• M14: 19,739,888 km (0.072 R)
• M15: 20,063,169 km (0.03 R)
• M16: 24,687,837 km (0.103 R)
• M17: 25,252,420 km (0.119 R)
• M18: 32,154,118 km (0.094 R)
• M19: 33,855,045 km (0.106 R)
• M20: 40,735,051 km (0.106 R)
• M21: 41,523,283 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 48.2

Radius: 3.5

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 8.69 AU - 11.39 AU

Year: 20541 Days

Day: 19.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,976,395 km

• M1: 44,281 km (0.118 R)
• M2: 205,996 km (0.066 R)
• M3: 347,815 km (0.115 R)
• M4: 637,736 km (0.09 R)
• M5: 1,484,310 km (0.114 R)
• M6: 1,967,062 km (0.071 R)
• M7: 4,229,880 km (0.092 R)
• M8: 8,453,776 km (0.12 R)
• M9: 8,572,407 km (0.066 R)
• M10: 8,732,327 km (0.108 R)
• M11: 12,826,821 km (0.111 R)
• M12: 16,577,838 km (0.106 R)
• M13: 21,804,937 km (0.06 R)
• M14: 28,650,236 km (0.08 R)
• M15: 29,368,456 km (0.116 R)
• M16: 29,731,978 km (0.049 R)
• M17: 31,785,209 km (0.032 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 259 - 15,974 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit