🌌 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: 168.6

Radius: 10.5

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.59 AU - 0.61 AU

Year: 310 Days

Day: 10 Hours

Environment

Temp: -147 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 35,705,218 km

• M1: 130,599 km (0.032 R)
• M2: 489,035 km (0.075 R)
• M3: 815,757 km (0.102 R)
• M4: 1,241,812 km (0.077 R)
• M5: 1,744,760 km (0.07 R)
• M6: 2,161,839 km (0.052 R)
• M7: 2,637,261 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323

Radius: 13.4

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.28 AU - 1.34 AU

Year: 1000 Days

Day: 11.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,705,218 km

• M1: 167,250 km (0.115 R)
• M2: 659,128 km (0.082 R)
• M3: 1,104,032 km (0.12 R)
• M4: 2,125,187 km (0.112 R)
• M5: 2,674,212 km (0.058 R)
• M6: 3,648,842 km (0.091 R)
• M7: 4,318,442 km (0.094 R)
• M8: 4,932,092 km (0.098 R)
• M9: 5,511,784 km (0.101 R)
• M10: 6,235,389 km (0.079 R)
• M11: 6,850,834 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.1

Radius: 12.6

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.61 AU - 2.68 AU

Year: 2088 Days

Day: 8.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,705,218 km

• M1: 156,629 km (0.119 R)
• M2: 572,960 km (0.095 R)
• M3: 1,069,774 km (0.101 R)
• M4: 1,493,585 km (0.116 R)
• M5: 2,129,226 km (0.083 R)
• M6: 2,553,336 km (0.079 R)
• M7: 3,002,579 km (0.079 R)
• M8: 3,558,036 km (0.053 R)
• M9: 4,530,123 km (0.089 R)
• M10: 5,170,850 km (0.1 R)
• M11: 5,721,371 km (0.114 R)
• M12: 6,127,080 km (0.098 R)
• M13: 7,551,252 km (0.111 R)
• M14: 7,978,354 km (0.095 R)
• M15: 9,708,303 km (0.12 R)
• M16: 10,967,169 km (0.104 R)
• M17: 11,878,520 km (0.049 R)
• M18: 12,331,951 km (0.081 R)
• M19: 14,079,254 km (0.076 R)
• M20: 15,348,442 km (0.11 R)
• M21: 16,437,814 km (0.088 R)
• M22: 18,276,372 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.3

Radius: 11.1

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.94 AU - 2.42 AU

Year: 2146 Days

Day: 9 Hours

Environment

Temp: -203 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,705,218 km

• M1: 138,079 km (0.086 R)
• M2: 648,956 km (0.11 R)
• M3: 1,156,092 km (0.117 R)
• M4: 2,074,922 km (0.079 R)
• M5: 4,132,791 km (0.12 R)
• M6: 4,912,794 km (0.094 R)
• M7: 7,401,205 km (0.051 R)
• M8: 9,073,709 km (0.05 R)
• M9: 14,441,879 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.8

Radius: 9.3

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.68 AU - 3.24 AU

Year: 3396 Days

Day: 5.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,705,218 km

• M1: 115,938 km (0.105 R)
• M2: 449,093 km (0.099 R)
• M3: 747,092 km (0.104 R)
• M4: 1,052,571 km (0.048 R)
• M5: 1,566,140 km (0.113 R)
• M6: 1,991,896 km (0.091 R)
• M7: 2,689,471 km (0.071 R)
• M8: 3,163,845 km (0.108 R)
• M9: 5,615,156 km (0.092 R)
• M10: 6,420,142 km (0.063 R)
• M11: 7,178,155 km (0.118 R)
• M12: 11,468,622 km (0.116 R)
• M13: 12,189,384 km (0.105 R)
• M14: 12,805,428 km (0.08 R)
• M15: 14,004,455 km (0.114 R)
• M16: 14,877,359 km (0.109 R)
• M17: 16,253,958 km (0.044 R)
• M18: 20,398,866 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.3

Radius: 11.9

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 4.43 AU - 5.69 AU

Year: 7590 Days

Day: 9.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,705,218 km

• M1: 148,401 km (0.115 R)
• M2: 679,324 km (0.061 R)
• M3: 1,313,469 km (0.048 R)
• M4: 2,829,793 km (0.106 R)
• M5: 4,563,932 km (0.097 R)
• M6: 5,561,750 km (0.061 R)
• M7: 9,046,034 km (0.115 R)
• M8: 9,829,627 km (0.089 R)
• M9: 14,811,386 km (0.097 R)
• M10: 15,622,805 km (0.106 R)
• M11: 16,692,878 km (0.098 R)
• M12: 17,334,354 km (0.103 R)
• M13: 21,808,976 km (0.11 R)
• M14: 23,796,384 km (0.114 R)
• M15: 24,460,000 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 78.9

Radius: 7.1

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 8.88 AU - 9.74 AU

Year: 18943 Days

Day: 19.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,705,218 km

• M1: 88,412 km (0.114 R)
• M2: 377,585 km (0.112 R)
• M3: 1,180,477 km (0.093 R)
• M4: 2,727,020 km (0.11 R)
• M5: 3,692,524 km (0.077 R)
• M6: 6,719,039 km (0.106 R)
• M7: 7,477,949 km (0.099 R)
• M8: 9,381,432 km (0.082 R)
• M9: 9,734,782 km (0.068 R)
• M10: 14,579,659 km (0.102 R)
• M11: 16,475,662 km (0.094 R)
• M12: 27,462,579 km (0.113 R)
• M13: 30,529,036 km (0.116 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 272 - 17,492 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit