🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390

Radius: 11.7

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.85 AU - 1.25 AU

Year: 743 Days

Day: 14.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 86,924,838 km

• M1: 145,559 km (0.096 R)
• M2: 602,131 km (0.079 R)
• M3: 1,233,883 km (0.038 R)
• M4: 1,783,655 km (0.101 R)
• M5: 2,403,589 km (0.064 R)
• M6: 4,090,006 km (0.117 R)
• M7: 4,471,929 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.6

Radius: 14.2

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.11 AU - 1.23 AU

Year: 874 Days

Day: 9.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 86,924,838 km

• M1: 184,155 km (0.073 R)
• M2: 654,042 km (0.05 R)
• M3: 1,435,242 km (0.068 R)
• M4: 2,098,559 km (0.107 R)
• M5: 2,620,057 km (0.091 R)
• M6: 5,881,141 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.5

Radius: 11.9

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.2 AU - 1.3 AU

Year: 965 Days

Day: 7.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 86,924,838 km

• M1: 147,952 km (0.054 R)
• M2: 534,364 km (0.098 R)
• M3: 1,241,812 km (0.086 R)
• M4: 1,699,581 km (0.114 R)
• M5: 3,052,096 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.9

Radius: 12.6

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.24 AU - 1.98 AU

Year: 1410 Days

Day: 6.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 86,924,838 km

• M1: 156,779 km (0.059 R)
• M2: 766,240 km (0.12 R)
• M3: 1,171,501 km (0.082 R)
• M4: 1,696,290 km (0.052 R)
• M5: 2,185,026 km (0.081 R)
• M6: 2,907,135 km (0.096 R)
• M7: 3,388,093 km (0.086 R)
• M8: 3,817,588 km (0.057 R)
• M9: 4,246,485 km (0.113 R)
• M10: 4,767,535 km (0.114 R)
• M11: 5,663,327 km (0.084 R)
• M12: 6,080,106 km (0.089 R)
• M13: 6,846,496 km (0.094 R)
• M14: 9,123,226 km (0.044 R)
• M15: 10,331,079 km (0.09 R)
• M16: 11,205,629 km (0.054 R)
• M17: 11,716,655 km (0.113 R)
• M18: 13,262,898 km (0.092 R)
• M19: 13,711,094 km (0.032 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 341.5

Radius: 3.9

Gravity: 22.45 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 7.48 AU - 11.06 AU

Year: 19482 Days

Day: 16.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 86,924,838 km

• M1: 50,265 km (0.077 R)
• M2: 225,444 km (0.099 R)
• M3: 417,528 km (0.12 R)
• M4: 544,087 km (0.074 R)
• M5: 909,106 km (0.12 R)
• M6: 1,953,449 km (0.107 R)
• M7: 3,983,642 km (0.036 R)
• M8: 4,161,214 km (0.066 R)
• M9: 5,198,526 km (0.078 R)
• M10: 5,410,656 km (0.032 R)
• M11: 5,555,167 km (0.049 R)
• M12: 5,702,372 km (0.098 R)
• M13: 6,437,346 km (0.064 R)
• M14: 6,890,478 km (0.085 R)
• M15: 7,453,265 km (0.117 R)
• M16: 10,563,405 km (0.087 R)
• M17: 11,546,861 km (0.071 R)
• M18: 11,786,816 km (0.113 R)
• M19: 14,303,651 km (0.073 R)
• M20: 18,757,030 km (0.069 R)
• M21: 19,088,688 km (0.07 R)
• M22: 23,665,934 km (0.109 R)
• M23: 24,740,795 km (0.082 R)
• M24: 26,465,210 km (0.083 R)
• M25: 26,987,306 km (0.069 R)
• M26: 34,784,048 km (0.109 R)
• M27: 35,789,645 km (0.064 R)
• M28: 41,388,345 km (0.039 R)
• M29: 43,811,232 km (0.085 R)
• M30: 44,835,679 km (0.105 R)
• M31: 46,932,442 km (0.054 R)
• M32: 49,881,166 km (0.073 R)
• M33: 50,677,326 km (0.105 R)
• M34: 51,643,579 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 775.6

Radius: 6.6

Gravity: 17.81 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 10.08 AU - 10.6 AU

Year: 22950 Days

Day: 16.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 86,924,838 km

• M1: 82,428 km (0.099 R)
• M2: 444,455 km (0.045 R)
• M3: 1,267,692 km (0.094 R)
• M4: 1,810,433 km (0.097 R)
• M5: 2,450,413 km (0.1 R)
• M6: 3,346,953 km (0.055 R)
• M7: 3,967,336 km (0.095 R)
• M8: 4,339,834 km (0.116 R)
• M9: 5,233,532 km (0.091 R)
• M10: 9,213,882 km (0.104 R)
• M11: 9,626,324 km (0.065 R)
• M12: 9,867,326 km (0.091 R)
• M13: 10,174,450 km (0.112 R)
• M14: 10,872,474 km (0.058 R)
• M15: 11,133,971 km (0.103 R)
• M16: 11,399,807 km (0.097 R)
• M17: 12,363,516 km (0.04 R)
• M18: 13,010,976 km (0.117 R)
• M19: 18,746,408 km (0.117 R)
• M20: 20,086,057 km (0.086 R)
• M21: 27,267,952 km (0.065 R)
• M22: 29,869,160 km (0.119 R)
• M23: 30,125,122 km (0.05 R)
• M24: 30,771,684 km (0.076 R)
• M25: 32,766,870 km (0.051 R)
• M26: 36,572,491 km (0.087 R)
• M27: 47,614,908 km (0.086 R)
• M28: 48,668,526 km (0.09 R)
• M29: 56,678,744 km (0.107 R)
• M30: 64,238,373 km (0.086 R)
• M31: 70,160,205 km (0.052 R)
• M32: 73,835,675 km (0.108 R)
• M33: 81,567,790 km (0.11 R)
• M34: 84,857,298 km (0.066 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 266 - 17,151 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit