🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.5

Radius: 14.1

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.51 AU - 0.51 AU

Year: 247 Days

Day: 8.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 21,125,989 km

• M1: 177,273 km (0.106 R)
• M2: 926,160 km (0.057 R)
• M3: 1,650,663 km (0.1 R)
• M4: 2,279,273 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.7

Radius: 9.9

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.45 AU - 0.71 AU

Year: 300 Days

Day: 7.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 21,125,989 km

• M1: 123,119 km (0.104 R)
• M2: 444,455 km (0.108 R)
• M3: 775,067 km (0.049 R)
• M4: 1,116,748 km (0.113 R)
• M5: 1,614,909 km (0.105 R)
• M6: 2,415,557 km (0.101 R)
• M7: 3,108,943 km (0.088 R)
• M8: 3,502,685 km (0.084 R)
• M9: 3,828,210 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.4

Radius: 10.5

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.49 AU - 0.81 AU

Year: 355 Days

Day: 13.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,125,989 km

• M1: 130,599 km (0.101 R)
• M2: 492,327 km (0.115 R)
• M3: 842,386 km (0.032 R)
• M4: 1,232,537 km (0.09 R)
• M5: 1,563,597 km (0.08 R)
• M6: 1,970,952 km (0.077 R)
• M7: 2,561,116 km (0.104 R)
• M8: 3,165,341 km (0.111 R)
• M9: 3,627,449 km (0.103 R)
• M10: 4,133,988 km (0.083 R)
• M11: 4,530,422 km (0.087 R)
• M12: 4,982,207 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.8

Radius: 13.3

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.92 AU - 1.04 AU

Year: 658 Days

Day: 13.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 21,125,989 km

• M1: 170,242 km (0.043 R)
• M2: 597,494 km (0.088 R)
• M3: 1,145,471 km (0.077 R)
• M4: 1,702,424 km (0.087 R)
• M5: 2,428,572 km (0.081 R)
• M6: 2,870,185 km (0.042 R)
• M7: 3,808,762 km (0.109 R)
• M8: 4,639,928 km (0.067 R)
• M9: 5,074,210 km (0.11 R)
• M10: 6,563,607 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.8

Radius: 10.5

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.22 AU - 1.26 AU

Year: 937 Days

Day: 9.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 21,125,989 km

• M1: 130,599 km (0.099 R)
• M2: 477,068 km (0.082 R)
• M3: 841,338 km (0.081 R)
• M4: 1,237,623 km (0.102 R)
• M5: 1,751,043 km (0.111 R)
• M6: 2,143,438 km (0.111 R)
• M7: 2,550,943 km (0.11 R)
• M8: 2,914,017 km (0.098 R)
• M9: 3,324,663 km (0.09 R)
• M10: 3,888,797 km (0.079 R)
• M11: 4,435,726 km (0.093 R)
• M12: 4,964,405 km (0.103 R)
• M13: 5,778,517 km (0.077 R)
• M14: 7,465,233 km (0.116 R)
• M15: 7,975,212 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.1

Radius: 13.4

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.49 AU - 1.71 AU

Year: 1373 Days

Day: 11.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,125,989 km

• M1: 166,802 km (0.079 R)
• M2: 623,225 km (0.064 R)
• M3: 1,229,694 km (0.105 R)
• M4: 1,864,588 km (0.037 R)
• M5: 2,427,824 km (0.107 R)
• M6: 3,502,086 km (0.104 R)
• M7: 7,011,353 km (0.081 R)
• M8: 7,811,253 km (0.074 R)
• M9: 9,198,923 km (0.041 R)
• M10: 10,158,294 km (0.068 R)
• M11: 11,081,013 km (0.067 R)
• M12: 12,312,204 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.2

Radius: 11

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.23 AU - 2.57 AU

Year: 2522 Days

Day: 10.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 21,125,989 km

• M1: 138,677 km (0.049 R)
• M2: 617,540 km (0.062 R)
• M3: 1,006,195 km (0.11 R)
• M4: 1,420,581 km (0.077 R)
• M5: 1,793,978 km (0.051 R)
• M6: 2,288,249 km (0.114 R)
• M7: 2,713,556 km (0.107 R)
• M8: 3,387,045 km (0.064 R)
• M9: 4,877,489 km (0.101 R)
• M10: 5,536,468 km (0.081 R)
• M11: 6,008,000 km (0.103 R)
• M12: 6,393,215 km (0.097 R)
• M13: 7,460,147 km (0.079 R)
• M14: 8,607,712 km (0.05 R)
• M15: 9,098,243 km (0.114 R)
• M16: 9,533,573 km (0.078 R)
• M17: 10,212,598 km (0.114 R)
• M18: 12,710,882 km (0.117 R)
• M19: 13,072,311 km (0.032 R)
• M20: 14,489,152 km (0.11 R)
• M21: 15,540,227 km (0.069 R)
• M22: 17,459,119 km (0.096 R)
• M23: 18,475,487 km (0.084 R)
• M24: 20,750,421 km (0.117 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: 352 - 20,083 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit