🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.9

Radius: 11.6

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.47 AU - 0.74 AU

Year: 327 Days

Day: 5.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,590,115 km

• M1: 144,661 km (0.103 R)
• M2: 514,766 km (0.072 R)
• M3: 1,060,051 km (0.081 R)
• M4: 2,214,647 km (0.111 R)
• M5: 2,974,305 km (0.029 R)
• M6: 3,365,354 km (0.105 R)
• M7: 3,827,162 km (0.041 R)
• M8: 4,304,679 km (0.063 R)
• M9: 4,779,652 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.8

Radius: 13.8

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.14 AU - 1.56 AU

Year: 1103 Days

Day: 9.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,590,115 km

• M1: 172,935 km (0.09 R)
• M2: 664,514 km (0.102 R)
• M3: 1,285,195 km (0.052 R)
• M4: 2,065,498 km (0.102 R)
• M5: 4,017,451 km (0.095 R)
• M6: 4,643,219 km (0.078 R)
• M7: 6,642,893 km (0.106 R)
• M8: 7,084,506 km (0.08 R)
• M9: 7,595,533 km (0.107 R)
• M10: 8,939,969 km (0.118 R)
• M11: 9,421,674 km (0.043 R)
• M12: 9,861,192 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.8

Radius: 8.2

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.4 AU - 2.02 AU

Year: 1572 Days

Day: 8.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,590,115 km

• M1: 103,223 km (0.088 R)
• M2: 380,727 km (0.115 R)
• M3: 838,496 km (0.044 R)
• M4: 1,251,237 km (0.115 R)
• M5: 1,775,577 km (0.117 R)
• M6: 2,285,257 km (0.1 R)
• M7: 2,587,594 km (0.067 R)
• M8: 3,141,555 km (0.036 R)
• M9: 3,454,813 km (0.069 R)
• M10: 4,922,219 km (0.058 R)
• M11: 6,290,291 km (0.074 R)
• M12: 7,496,798 km (0.025 R)
• M13: 8,734,571 km (0.062 R)
• M14: 9,944,518 km (0.116 R)
• M15: 10,855,420 km (0.05 R)
• M16: 11,159,852 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.2

Radius: 11

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.54 AU - 2.1 AU

Year: 1726 Days

Day: 11.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,590,115 km

• M1: 140,472 km (0.079 R)
• M2: 522,695 km (0.106 R)
• M3: 933,491 km (0.113 R)
• M4: 1,383,631 km (0.118 R)
• M5: 1,877,453 km (0.069 R)
• M6: 2,232,898 km (0.113 R)
• M7: 2,972,659 km (0.093 R)
• M8: 4,170,340 km (0.111 R)
• M9: 6,055,722 km (0.06 R)
• M10: 7,489,917 km (0.065 R)
• M11: 8,648,851 km (0.08 R)
• M12: 8,992,777 km (0.11 R)
• M13: 9,830,974 km (0.097 R)
• M14: 10,687,721 km (0.102 R)
• M15: 11,285,963 km (0.027 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.9

Radius: 10.8

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.81 AU - 2.79 AU

Year: 2452 Days

Day: 14.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,590,115 km

• M1: 134,339 km (0.042 R)
• M2: 676,033 km (0.047 R)
• M3: 1,118,244 km (0.055 R)
• M4: 2,280,171 km (0.087 R)
• M5: 2,714,453 km (0.113 R)
• M6: 3,624,756 km (0.101 R)
• M7: 5,356,202 km (0.117 R)
• M8: 5,798,713 km (0.1 R)
• M9: 8,756,263 km (0.109 R)
• M10: 9,583,389 km (0.11 R)
• M11: 10,173,852 km (0.112 R)
• M12: 11,189,023 km (0.036 R)
• M13: 11,773,801 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.5

Radius: 14.9

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.17 AU - 4.25 AU

Year: 6072 Days

Day: 5.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 38,590,115 km

• M1: 185,352 km (0.083 R)
• M2: 747,092 km (0.118 R)
• M3: 1,405,472 km (0.107 R)
• M4: 2,224,371 km (0.11 R)
• M5: 2,697,399 km (0.092 R)
• M6: 3,174,616 km (0.057 R)
• M7: 3,900,166 km (0.101 R)
• M8: 4,515,313 km (0.066 R)
• M9: 5,685,317 km (0.074 R)
• M10: 8,371,646 km (0.099 R)
• M11: 10,086,188 km (0.077 R)
• M12: 11,505,572 km (0.085 R)
• M13: 13,792,475 km (0.1 R)
• M14: 15,351,883 km (0.077 R)
• M15: 16,826,918 km (0.088 R)
• M16: 17,633,101 km (0.084 R)
• M17: 18,184,668 km (0.074 R)
• M18: 19,395,364 km (0.06 R)
• M19: 20,206,932 km (0.089 R)
• M20: 22,616,505 km (0.086 R)
• M21: 24,438,757 km (0.117 R)
• M22: 27,261,818 km (0.117 R)
• M23: 28,468,475 km (0.07 R)
• M24: 30,988,301 km (0.048 R)
• M25: 32,097,869 km (0.085 R)
• M26: 35,585,893 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 215.5

Radius: 5.2

Gravity: 7.97 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 6.16 AU - 7.74 AU

Year: 12879 Days

Day: 21.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 38,590,115 km

• M1: 69,713 km (0.104 R)
• M2: 300,841 km (0.101 R)
• M3: 831,465 km (0.111 R)
• M4: 1,136,345 km (0.026 R)
• M5: 1,315,264 km (0.1 R)
• M6: 1,487,302 km (0.074 R)
• M7: 1,773,782 km (0.107 R)
• M8: 2,145,383 km (0.088 R)
• M9: 2,739,287 km (0.1 R)
• M10: 3,085,157 km (0.082 R)
• M11: 3,575,240 km (0.115 R)
• M12: 4,880,331 km (0.032 R)
• M13: 5,639,391 km (0.069 R)
• M14: 5,997,229 km (0.089 R)
• M15: 6,198,737 km (0.096 R)
• M16: 6,509,303 km (0.067 R)
• M17: 7,161,848 km (0.071 R)
• M18: 7,620,366 km (0.059 R)
• M19: 8,261,991 km (0.097 R)
• M20: 9,606,427 km (0.103 R)
• M21: 10,354,417 km (0.111 R)
• M22: 11,755,700 km (0.105 R)
• M23: 15,299,374 km (0.119 R)
• M24: 15,930,677 km (0.111 R)
• M25: 16,382,762 km (0.105 R)
• M26: 17,177,426 km (0.092 R)
• M27: 18,067,234 km (0.063 R)
• M28: 20,311,950 km (0.082 R)
• M29: 23,062,307 km (0.112 R)
• M30: 23,640,652 km (0.098 R)
• M31: 25,172,235 km (0.103 R)
• M32: 28,620,466 km (0.114 R)
• M33: 29,000,744 km (0.113 R)
• M34: 36,324,457 km (0.089 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 311 - 15,359 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit