🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.4

Radius: 12.1

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.82 AU - 0.96 AU

Year: 569 Days

Day: 5.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,419,977 km

• M1: 151,094 km (0.04 R)
• M2: 638,185 km (0.041 R)
• M3: 1,164,919 km (0.03 R)
• M4: 1,612,665 km (0.032 R)
• M5: 2,583,106 km (0.076 R)
• M6: 3,137,367 km (0.11 R)
• M7: 3,554,445 km (0.095 R)
• M8: 4,408,948 km (0.037 R)
• M9: 6,017,275 km (0.117 R)
• M10: 6,645,437 km (0.063 R)
• M11: 7,316,832 km (0.034 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.8

Radius: 13.7

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.84 AU - 0.94 AU

Year: 569 Days

Day: 13 Hours

Environment

Temp: -162 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,419,977 km

• M1: 170,392 km (0.088 R)
• M2: 670,049 km (0.066 R)
• M3: 1,106,575 km (0.099 R)
• M4: 1,598,304 km (0.048 R)
• M5: 2,098,858 km (0.109 R)
• M6: 2,534,786 km (0.068 R)
• M7: 3,811,155 km (0.093 R)
• M8: 4,577,396 km (0.071 R)
• M9: 5,115,499 km (0.116 R)
• M10: 6,319,463 km (0.043 R)
• M11: 7,072,838 km (0.071 R)

Asteroid Belt

Center: 1.25 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.8

Radius: 9.4

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.53 AU - 1.67 AU

Year: 1373 Days

Day: 12.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,419,977 km

• M1: 118,182 km (0.109 R)
• M2: 581,038 km (0.034 R)
• M3: 1,120,638 km (0.053 R)
• M4: 1,713,793 km (0.076 R)
• M5: 2,690,219 km (0.079 R)
• M6: 3,280,083 km (0.058 R)
• M7: 3,845,563 km (0.103 R)
• M8: 4,225,093 km (0.117 R)
• M9: 5,208,699 km (0.084 R)
• M10: 5,754,432 km (0.104 R)
• M11: 6,446,172 km (0.116 R)
• M12: 6,937,452 km (0.119 R)
• M13: 8,828,967 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.8

Radius: 12.9

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.63 AU - 1.87 AU

Year: 1570 Days

Day: 10.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,419,977 km

• M1: 175,927 km (0.072 R)
• M2: 635,193 km (0.051 R)
• M3: 1,192,445 km (0.099 R)
• M4: 1,633,160 km (0.103 R)
• M5: 2,499,182 km (0.106 R)
• M6: 2,900,852 km (0.06 R)
• M7: 3,393,029 km (0.074 R)
• M8: 4,118,280 km (0.109 R)
• M9: 4,883,622 km (0.118 R)
• M10: 5,474,384 km (0.077 R)
• M11: 8,039,539 km (0.045 R)
• M12: 8,504,489 km (0.076 R)
• M13: 9,713,988 km (0.114 R)
• M14: 10,242,218 km (0.097 R)
• M15: 11,537,437 km (0.038 R)
• M16: 12,243,688 km (0.116 R)
• M17: 13,176,730 km (0.107 R)
• M18: 13,783,649 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.6

Radius: 11.7

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.6 AU - 3.08 AU

Year: 3246 Days

Day: 9.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,419,977 km

• M1: 145,858 km (0.076 R)
• M2: 593,904 km (0.071 R)
• M3: 2,174,704 km (0.117 R)
• M4: 2,829,644 km (0.027 R)
• M5: 3,195,261 km (0.043 R)
• M6: 4,674,185 km (0.068 R)
• M7: 5,087,824 km (0.095 R)
• M8: 6,187,368 km (0.117 R)
• M9: 6,687,324 km (0.119 R)
• M10: 7,735,257 km (0.112 R)
• M11: 9,955,738 km (0.053 R)
• M12: 10,894,016 km (0.062 R)
• M13: 12,341,974 km (0.037 R)
• M14: 13,815,513 km (0.114 R)
• M15: 16,434,373 km (0.109 R)
• M16: 17,511,179 km (0.039 R)
• M17: 19,994,204 km (0.081 R)
• M18: 20,763,287 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 363.1

Radius: 3.9

Gravity: 23.87 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 7.17 AU - 11.25 AU

Year: 18957 Days

Day: 21.7 Hours

Environment

Temp: -242 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,419,977 km

• M1: 55,052 km (0.101 R)
• M2: 214,972 km (0.077 R)
• M3: 355,893 km (0.063 R)
• M4: 838,795 km (0.082 R)
• M5: 2,049,192 km (0.044 R)
• M6: 2,529,102 km (0.062 R)
• M7: 2,935,559 km (0.116 R)
• M8: 4,670,894 km (0.113 R)
• M9: 5,604,235 km (0.095 R)
• M10: 7,249,513 km (0.065 R)
• M11: 14,404,779 km (0.061 R)
• M12: 15,905,994 km (0.071 R)
• M13: 16,203,394 km (0.101 R)
• M14: 17,429,798 km (0.113 R)
• M15: 22,955,644 km (0.116 R)
• M16: 23,526,808 km (0.113 R)
• M17: 26,628,870 km (0.069 R)
• M18: 30,105,973 km (0.062 R)
• M19: 38,208,643 km (0.098 R)
• M20: 47,650,512 km (0.101 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: 516 - 12,828 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit