🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.9

Radius: 9.7

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.52 AU - 0.74 AU

Year: 333 Days

Day: 6.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,854,836 km

• M1: 120,725 km (0.031 R)
• M2: 504,294 km (0.064 R)
• M3: 842,535 km (0.096 R)
• M4: 1,280,707 km (0.108 R)
• M5: 1,619,098 km (0.098 R)
• M6: 1,956,591 km (0.045 R)
• M7: 2,290,643 km (0.096 R)
• M8: 2,691,116 km (0.104 R)
• M9: 2,993,753 km (0.065 R)
• M10: 3,980,351 km (0.098 R)
• M11: 4,454,875 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.3

Radius: 14.1

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.91 AU - 1.47 AU

Year: 866 Days

Day: 14.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,854,836 km

• M1: 175,329 km (0.071 R)
• M2: 630,854 km (0.066 R)
• M3: 1,194,240 km (0.115 R)
• M4: 1,941,332 km (0.094 R)
• M5: 2,475,845 km (0.061 R)
• M6: 2,961,589 km (0.114 R)
• M7: 3,430,728 km (0.042 R)
• M8: 3,964,493 km (0.091 R)
• M9: 5,147,663 km (0.109 R)
• M10: 5,967,609 km (0.114 R)
• M11: 6,680,592 km (0.063 R)
• M12: 8,083,222 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.1

Radius: 12

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.25 AU - 2.03 AU

Year: 1401 Days

Day: 11.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,854,836 km

• M1: 149,299 km (0.065 R)
• M2: 525,986 km (0.077 R)
• M3: 1,170,304 km (0.089 R)
• M4: 2,024,059 km (0.106 R)
• M5: 2,971,163 km (0.082 R)
• M6: 3,689,383 km (0.053 R)
• M7: 4,553,909 km (0.103 R)
• M8: 4,989,388 km (0.095 R)
• M9: 5,665,571 km (0.066 R)
• M10: 6,574,078 km (0.093 R)
• M11: 7,224,380 km (0.107 R)
• M12: 9,160,476 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.5

Radius: 11.2

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.37 AU - 3.49 AU

Year: 3344 Days

Day: 6.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 29,854,836 km

• M1: 140,622 km (0.106 R)
• M2: 545,733 km (0.089 R)
• M3: 1,111,063 km (0.067 R)
• M4: 1,505,703 km (0.091 R)
• M5: 2,845,202 km (0.027 R)
• M6: 3,225,480 km (0.094 R)
• M7: 4,196,968 km (0.093 R)
• M8: 4,930,447 km (0.104 R)
• M9: 5,693,545 km (0.114 R)
• M10: 6,446,172 km (0.094 R)
• M11: 7,616,327 km (0.057 R)
• M12: 8,081,427 km (0.102 R)
• M13: 8,495,214 km (0.052 R)
• M14: 10,698,043 km (0.073 R)
• M15: 13,352,508 km (0.104 R)
• M16: 15,664,692 km (0.108 R)
• M17: 18,290,584 km (0.117 R)
• M18: 19,369,783 km (0.038 R)
• M19: 21,853,107 km (0.101 R)
• M20: 22,726,011 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.3

Radius: 9.3

Gravity: 10.77 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.84 AU - 4.94 AU

Year: 6134 Days

Day: 13.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,854,836 km

• M1: 205,547 km (0.091 R)
• M2: 522,545 km (0.091 R)
• M3: 859,589 km (0.065 R)
• M4: 1,221,467 km (0.117 R)
• M5: 1,514,230 km (0.05 R)
• M6: 3,715,712 km (0.06 R)
• M7: 6,614,021 km (0.058 R)
• M8: 7,008,810 km (0.116 R)
• M9: 7,925,097 km (0.037 R)
• M10: 8,247,630 km (0.099 R)
• M11: 11,203,534 km (0.069 R)
• M12: 12,079,729 km (0.109 R)
• M13: 15,044,459 km (0.074 R)
• M14: 16,303,625 km (0.068 R)
• M15: 16,760,497 km (0.119 R)
• M16: 17,563,538 km (0.114 R)
• M17: 19,978,496 km (0.026 R)
• M18: 23,256,635 km (0.049 R)
• M19: 25,369,405 km (0.058 R)
• M20: 27,606,941 km (0.116 R)
• M21: 33,507,829 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.9

Radius: 11.6

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 5.16 AU - 5.92 AU

Year: 8695 Days

Day: 7.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 29,854,836 km

• M1: 145,409 km (0.072 R)
• M2: 631,153 km (0.078 R)
• M3: 1,212,042 km (0.113 R)
• M4: 1,826,590 km (0.107 R)
• M5: 2,392,968 km (0.115 R)
• M6: 4,039,143 km (0.101 R)
• M7: 5,675,444 km (0.11 R)
• M8: 6,122,891 km (0.082 R)
• M9: 6,887,935 km (0.119 R)
• M10: 7,969,228 km (0.092 R)
• M11: 10,958,792 km (0.108 R)
• M12: 11,372,879 km (0.116 R)
• M13: 12,429,339 km (0.078 R)
• M14: 13,445,557 km (0.068 R)
• M15: 13,920,531 km (0.08 R)
• M16: 18,197,683 km (0.036 R)
• M17: 20,253,457 km (0.104 R)
• M18: 26,184,564 km (0.046 R)
• M19: 26,926,270 km (0.047 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 388 - 11,436 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit