🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.3

Radius: 9.1

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.57 AU - 0.67 AU

Year: 337 Days

Day: 11 Hours

Environment

Temp: -149 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,758,546 km

• M1: 113,096 km (0.095 R)
• M2: 455,226 km (0.101 R)
• M3: 756,816 km (0.076 R)
• M4: 1,749,996 km (0.106 R)
• M5: 2,379,803 km (0.104 R)
• M6: 2,784,615 km (0.09 R)
• M7: 3,360,267 km (0.1 R)
• M8: 4,073,101 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.4

Radius: 9.6

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.6 AU - 0.94 AU

Year: 466 Days

Day: 12.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,758,546 km

• M1: 119,529 km (0.105 R)
• M2: 420,220 km (0.105 R)
• M3: 762,351 km (0.051 R)
• M4: 1,080,695 km (0.066 R)
• M5: 1,456,335 km (0.102 R)
• M6: 2,382,346 km (0.119 R)
• M7: 2,717,745 km (0.025 R)
• M8: 3,245,526 km (0.032 R)
• M9: 3,634,331 km (0.092 R)
• M10: 3,932,928 km (0.077 R)
• M11: 4,404,461 km (0.116 R)
• M12: 4,774,865 km (0.065 R)
• M13: 5,312,220 km (0.06 R)
• M14: 5,646,721 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.1

Radius: 12

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.9 AU - 1.12 AU

Year: 701 Days

Day: 11.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,758,546 km

• M1: 149,299 km (0.116 R)
• M2: 527,033 km (0.066 R)
• M3: 931,097 km (0.038 R)
• M4: 1,409,960 km (0.09 R)
• M5: 2,139,848 km (0.114 R)
• M6: 2,648,481 km (0.105 R)
• M7: 3,069,599 km (0.101 R)
• M8: 3,677,116 km (0.101 R)
• M9: 4,477,913 km (0.072 R)
• M10: 5,447,606 km (0.06 R)
• M11: 6,768,556 km (0.059 R)
• M12: 8,317,642 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.5

Radius: 12

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.83 AU - 1.23 AU

Year: 722 Days

Day: 9 Hours

Environment

Temp: -177 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,758,546 km

• M1: 149,299 km (0.07 R)
• M2: 530,175 km (0.104 R)
• M3: 918,232 km (0.102 R)
• M4: 1,324,390 km (0.064 R)
• M5: 1,830,779 km (0.114 R)
• M6: 2,464,924 km (0.116 R)
• M7: 2,890,231 km (0.063 R)
• M8: 3,285,768 km (0.071 R)
• M9: 3,803,675 km (0.045 R)
• M10: 4,485,692 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.8

Radius: 8.4

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.55 AU - 2.87 AU

Year: 3079 Days

Day: 14.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,758,546 km

• M1: 104,419 km (0.039 R)
• M2: 374,443 km (0.104 R)
• M3: 671,246 km (0.117 R)
• M4: 1,008,140 km (0.081 R)
• M5: 1,438,234 km (0.083 R)
• M6: 1,869,375 km (0.119 R)
• M7: 2,425,729 km (0.074 R)
• M8: 2,849,989 km (0.086 R)
• M9: 4,139,523 km (0.079 R)
• M10: 4,924,762 km (0.105 R)
• M11: 5,293,670 km (0.042 R)
• M12: 6,377,058 km (0.12 R)
• M13: 8,609,956 km (0.082 R)
• M14: 9,776,221 km (0.118 R)
• M15: 13,543,993 km (0.086 R)
• M16: 14,548,243 km (0.111 R)
• M17: 15,164,437 km (0.078 R)
• M18: 15,552,195 km (0.072 R)
• M19: 17,379,682 km (0.109 R)
• M20: 17,697,727 km (0.119 R)
• M21: 18,236,280 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 114.4

Radius: 8

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 6.86 AU - 8.24 AU

Year: 14320 Days

Day: 15.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,758,546 km

• M1: 99,483 km (0.098 R)
• M2: 779,854 km (0.113 R)
• M3: 1,323,044 km (0.033 R)
• M4: 3,166,688 km (0.085 R)
• M5: 5,971,349 km (0.074 R)
• M6: 6,690,914 km (0.074 R)
• M7: 32,345,752 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 860.8

Radius: 6.8

Gravity: 18.62 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 5.94 AU - 9.4 AU

Year: 14662 Days

Day: 22.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,758,546 km

• M1: 84,523 km (0.106 R)
• M2: 610,060 km (0.096 R)
• M3: 844,031 km (0.063 R)
• M4: 1,411,606 km (0.09 R)
• M5: 1,710,652 km (0.093 R)
• M6: 2,775,041 km (0.098 R)
• M7: 3,169,530 km (0.107 R)
• M8: 5,239,067 km (0.087 R)
• M9: 5,534,972 km (0.092 R)
• M10: 6,574,378 km (0.091 R)
• M11: 8,519,300 km (0.089 R)
• M12: 10,123,587 km (0.103 R)
• M13: 10,351,724 km (0.113 R)
• M14: 10,641,794 km (0.098 R)
• M15: 11,544,468 km (0.052 R)
• M16: 13,639,287 km (0.106 R)
• M17: 14,630,672 km (0.115 R)
• M18: 14,849,234 km (0.088 R)
• M19: 19,515,641 km (0.113 R)
• M20: 20,498,947 km (0.117 R)
• M21: 21,049,019 km (0.102 R)
• M22: 22,467,207 km (0.065 R)
• M23: 24,763,684 km (0.086 R)
• M24: 30,523,501 km (0.108 R)
• M25: 34,736,326 km (0.099 R)
• M26: 39,461,525 km (0.06 R)
• M27: 44,750,857 km (0.11 R)
• M28: 45,366,302 km (0.105 R)
• M29: 45,831,552 km (0.118 R)
• M30: 50,826,625 km (0.092 R)
• M31: 51,496,524 km (0.061 R)
• M32: 63,997,221 km (0.098 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 442 - 13,187 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit