🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.8

Radius: 8.6

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.49 AU - 0.79 AU

Year: 353 Days

Day: 10 Hours

Environment

Temp: -145 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,887,899 km

• M1: 106,962 km (0.103 R)
• M2: 559,197 km (0.092 R)
• M3: 1,041,800 km (0.098 R)
• M4: 1,382,434 km (0.084 R)
• M5: 1,750,145 km (0.096 R)
• M6: 2,509,205 km (0.112 R)
• M7: 3,931,432 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.5

Radius: 9.5

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.01 AU - 1.15 AU

Year: 775 Days

Day: 5.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,887,899 km

• M1: 120,576 km (0.089 R)
• M2: 425,756 km (0.089 R)
• M3: 932,743 km (0.041 R)
• M4: 1,287,140 km (0.081 R)
• M5: 1,756,429 km (0.045 R)
• M6: 2,367,685 km (0.033 R)
• M7: 2,769,057 km (0.084 R)
• M8: 3,266,320 km (0.05 R)
• M9: 3,570,752 km (0.118 R)
• M10: 4,299,144 km (0.092 R)
• M11: 4,698,869 km (0.102 R)
• M12: 6,287,000 km (0.092 R)
• M13: 6,909,776 km (0.051 R)
• M14: 7,436,959 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.9

Radius: 11.7

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.12 AU - 1.54 AU

Year: 1059 Days

Day: 5.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 51,887,899 km

• M1: 164,109 km (0.081 R)
• M2: 1,062,743 km (0.077 R)
• M3: 1,491,192 km (0.093 R)
• M4: 1,924,277 km (0.078 R)
• M5: 2,467,467 km (0.051 R)
• M6: 4,361,825 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.8

Radius: 11.1

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.24 AU - 2.5 AU

Year: 2518 Days

Day: 12.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,887,899 km

• M1: 138,079 km (0.067 R)
• M2: 742,753 km (0.07 R)
• M3: 1,093,411 km (0.037 R)
• M4: 1,441,824 km (0.113 R)
• M5: 1,865,934 km (0.079 R)
• M6: 2,942,291 km (0.116 R)
• M7: 3,617,127 km (0.069 R)
• M8: 4,954,382 km (0.046 R)
• M9: 5,609,471 km (0.088 R)
• M10: 6,985,921 km (0.082 R)
• M11: 7,612,138 km (0.104 R)
• M12: 8,334,995 km (0.101 R)
• M13: 8,945,653 km (0.092 R)
• M14: 9,423,170 km (0.11 R)
• M15: 10,603,497 km (0.118 R)
• M16: 12,693,379 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.7

Radius: 11.6

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.36 AU - 2.72 AU

Year: 2794 Days

Day: 8.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,887,899 km

• M1: 144,212 km (0.109 R)
• M2: 588,817 km (0.1 R)
• M3: 990,039 km (0.064 R)
• M4: 1,733,391 km (0.07 R)
• M5: 2,998,989 km (0.088 R)
• M6: 3,418,611 km (0.046 R)
• M7: 3,897,623 km (0.041 R)
• M8: 4,291,365 km (0.047 R)
• M9: 4,967,397 km (0.115 R)
• M10: 6,647,381 km (0.108 R)
• M11: 7,808,710 km (0.108 R)
• M12: 8,235,662 km (0.077 R)
• M13: 8,678,023 km (0.062 R)
• M14: 9,172,294 km (0.072 R)
• M15: 9,536,864 km (0.103 R)
• M16: 11,215,951 km (0.104 R)
• M17: 12,104,113 km (0.114 R)
• M18: 14,850,880 km (0.103 R)
• M19: 15,973,761 km (0.103 R)
• M20: 18,330,825 km (0.101 R)
• M21: 20,229,222 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 593

Radius: 7.8

Gravity: 9.75 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 5.58 AU - 7.92 AU

Year: 12105 Days

Day: 19.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,887,899 km

• M1: 97,837 km (0.063 R)
• M2: 419,622 km (0.076 R)
• M3: 718,967 km (0.071 R)
• M4: 2,961,439 km (0.037 R)
• M5: 4,243,493 km (0.068 R)
• M6: 5,647,469 km (0.084 R)
• M7: 5,932,752 km (0.063 R)
• M8: 6,378,554 km (0.079 R)
• M9: 11,061,566 km (0.09 R)
• M10: 12,026,921 km (0.079 R)
• M11: 16,598,183 km (0.057 R)
• M12: 17,110,705 km (0.051 R)
• M13: 17,408,405 km (0.113 R)
• M14: 19,347,343 km (0.091 R)
• M15: 22,386,125 km (0.06 R)
• M16: 27,825,204 km (0.071 R)
• M17: 29,496,811 km (0.115 R)
• M18: 33,154,030 km (0.081 R)
• M19: 36,117,863 km (0.087 R)
• M20: 37,601,425 km (0.083 R)
• M21: 38,996,575 km (0.117 R)
• M22: 39,512,388 km (0.084 R)
• M23: 41,087,055 km (0.106 R)
• M24: 43,942,729 km (0.093 R)
• M25: 44,641,650 km (0.029 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 11,677 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit