🌌 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: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.6

Radius: 8.2

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.51 AU - 0.67 AU

Year: 302 Days

Day: 11.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,294,636 km

• M1: 102,475 km (0.067 R)
• M2: 455,077 km (0.097 R)
• M3: 800,349 km (0.094 R)
• M4: 1,141,133 km (0.112 R)
• M5: 1,487,751 km (0.073 R)
• M6: 1,990,848 km (0.113 R)
• M7: 2,514,291 km (0.114 R)
• M8: 2,891,428 km (0.117 R)
• M9: 3,219,945 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.9

Radius: 13.6

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.7 AU - 1 AU

Year: 523 Days

Day: 14.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,294,636 km

• M1: 169,195 km (0.049 R)
• M2: 618,737 km (0.095 R)
• M3: 1,112,111 km (0.104 R)
• M4: 1,645,726 km (0.11 R)
• M5: 2,156,603 km (0.108 R)
• M6: 2,616,616 km (0.112 R)
• M7: 3,166,089 km (0.116 R)
• M8: 3,805,321 km (0.1 R)
• M9: 4,713,081 km (0.052 R)
• M10: 5,760,565 km (0.113 R)
• M11: 6,368,381 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.5

Radius: 12.2

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.11 AU - 1.29 AU

Year: 877 Days

Day: 5.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,294,636 km

• M1: 155,881 km (0.106 R)
• M2: 576,251 km (0.101 R)
• M3: 1,333,964 km (0.092 R)
• M4: 2,082,851 km (0.103 R)
• M5: 2,603,601 km (0.118 R)
• M6: 3,425,043 km (0.064 R)
• M7: 3,963,745 km (0.1 R)
• M8: 4,440,962 km (0.094 R)
• M9: 4,893,646 km (0.115 R)
• M10: 5,769,391 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.7

Radius: 14.2

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.06 AU - 1.46 AU

Year: 943 Days

Day: 10.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,294,636 km

• M1: 177,273 km (0.078 R)
• M2: 701,165 km (0.111 R)
• M3: 1,315,115 km (0.112 R)
• M4: 2,253,094 km (0.043 R)
• M5: 2,954,857 km (0.049 R)
• M6: 5,110,562 km (0.072 R)
• M7: 5,621,888 km (0.086 R)
• M8: 6,662,790 km (0.097 R)
• M9: 7,923,750 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.6

Radius: 8.8

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.87 AU - 2.95 AU

Year: 2495 Days

Day: 12.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 20,294,636 km

• M1: 110,553 km (0.057 R)
• M2: 446,400 km (0.112 R)
• M3: 720,463 km (0.077 R)
• M4: 1,206,208 km (0.04 R)
• M5: 1,646,025 km (0.089 R)
• M6: 2,081,654 km (0.109 R)
• M7: 2,579,067 km (0.116 R)
• M8: 2,878,413 km (0.06 R)
• M9: 3,314,042 km (0.078 R)
• M10: 3,883,561 km (0.076 R)
• M11: 5,216,927 km (0.059 R)
• M12: 7,158,408 km (0.107 R)
• M13: 7,494,853 km (0.078 R)
• M14: 7,783,428 km (0.117 R)
• M15: 9,240,062 km (0.101 R)
• M16: 11,927,887 km (0.082 R)
• M17: 12,683,805 km (0.079 R)
• M18: 13,094,302 km (0.112 R)
• M19: 14,915,656 km (0.097 R)
• M20: 15,280,824 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.6

Radius: 11.6

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2 AU - 2.84 AU

Year: 2510 Days

Day: 14.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 20,294,636 km

• M1: 162,014 km (0.029 R)
• M2: 530,175 km (0.067 R)
• M3: 1,008,439 km (0.11 R)
• M4: 1,508,545 km (0.096 R)
• M5: 2,235,142 km (0.112 R)
• M6: 2,835,328 km (0.071 R)
• M7: 3,282,028 km (0.113 R)
• M8: 4,060,385 km (0.112 R)
• M9: 4,441,710 km (0.087 R)
• M10: 4,957,673 km (0.105 R)
• M11: 5,932,004 km (0.091 R)
• M12: 6,371,673 km (0.114 R)
• M13: 7,671,977 km (0.085 R)
• M14: 8,939,969 km (0.11 R)
• M15: 9,415,241 km (0.099 R)
• M16: 9,907,418 km (0.107 R)
• M17: 10,715,546 km (0.091 R)
• M18: 11,968,727 km (0.094 R)
• M19: 12,338,234 km (0.063 R)
• M20: 13,273,669 km (0.099 R)
• M21: 14,119,047 km (0.049 R)
• M22: 14,811,536 km (0.095 R)
• M23: 16,414,626 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.8

Radius: 8.9

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.88 AU - 3.52 AU

Year: 3817 Days

Day: 11.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 20,294,636 km

• M1: 110,702 km (0.074 R)
• M2: 486,343 km (0.04 R)
• M3: 772,075 km (0.034 R)
• M4: 1,166,564 km (0.073 R)
• M5: 1,830,031 km (0.068 R)
• M6: 2,233,047 km (0.036 R)
• M7: 3,031,302 km (0.091 R)
• M8: 3,342,166 km (0.115 R)
• M9: 3,888,049 km (0.111 R)
• M10: 4,470,433 km (0.11 R)
• M11: 4,828,570 km (0.101 R)
• M12: 5,552,026 km (0.102 R)
• M13: 6,181,234 km (0.118 R)
• M14: 6,741,329 km (0.112 R)
• M15: 7,770,562 km (0.11 R)
• M16: 10,522,565 km (0.097 R)
• M17: 12,549,915 km (0.088 R)
• M18: 13,678,781 km (0.086 R)
• M19: 13,959,426 km (0.113 R)
• M20: 14,339,704 km (0.098 R)
• M21: 15,981,989 km (0.104 R)
• M22: 16,662,061 km (0.108 R)
• M23: 19,341,210 km (0.109 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 19,373 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit