🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.4

Radius: 8.2

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.9 AU - 1.3 AU

Year: 769 Days

Day: 14.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,472,372 km

• M1: 102,026 km (0.101 R)
• M2: 372,798 km (0.051 R)
• M3: 696,228 km (0.118 R)
• M4: 1,021,753 km (0.036 R)
• M5: 1,280,857 km (0.107 R)
• M6: 1,608,028 km (0.098 R)
• M7: 2,121,896 km (0.104 R)
• M8: 2,401,943 km (0.098 R)
• M9: 2,684,085 km (0.05 R)
• M10: 3,124,202 km (0.098 R)
• M11: 3,515,700 km (0.062 R)
• M12: 3,954,321 km (0.113 R)
• M13: 4,525,036 km (0.104 R)
• M14: 5,079,446 km (0.057 R)
• M15: 5,436,985 km (0.102 R)
• M16: 6,569,740 km (0.088 R)
• M17: 7,125,646 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.7

Radius: 14.7

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.1 AU - 1.74 AU

Year: 1128 Days

Day: 8.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,472,372 km

• M1: 182,809 km (0.103 R)
• M2: 655,089 km (0.098 R)
• M3: 1,772,286 km (0.101 R)
• M4: 2,989,115 km (0.041 R)
• M5: 3,765,528 km (0.098 R)
• M6: 4,339,236 km (0.037 R)
• M7: 4,953,185 km (0.05 R)
• M8: 5,451,346 km (0.098 R)
• M9: 6,527,853 km (0.081 R)
• M10: 7,790,459 km (0.109 R)
• M11: 8,288,021 km (0.043 R)
• M12: 9,183,065 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.2

Radius: 13.2

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.55 AU - 3.59 AU

Year: 3587 Days

Day: 5.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 84,472,372 km

• M1: 164,109 km (0.109 R)
• M2: 591,660 km (0.072 R)
• M3: 1,222,813 km (0.112 R)
• M4: 1,777,223 km (0.117 R)
• M5: 2,544,809 km (0.106 R)
• M6: 3,015,295 km (0.118 R)
• M7: 3,543,824 km (0.044 R)
• M8: 5,298,906 km (0.118 R)
• M9: 5,901,486 km (0.106 R)
• M10: 7,276,740 km (0.073 R)
• M11: 9,508,590 km (0.119 R)
• M12: 10,610,977 km (0.07 R)
• M13: 13,512,727 km (0.096 R)
• M14: 15,065,403 km (0.097 R)
• M15: 18,277,269 km (0.095 R)
• M16: 20,568,062 km (0.074 R)
• M17: 22,267,493 km (0.052 R)
• M18: 23,912,023 km (0.119 R)
• M19: 24,428,285 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.6

Radius: 9.8

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.46 AU - 3.86 AU

Year: 3746 Days

Day: 14 Hours

Environment

Temp: -209 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 84,472,372 km

• M1: 122,221 km (0.056 R)
• M2: 447,298 km (0.063 R)
• M3: 943,663 km (0.044 R)
• M4: 1,292,077 km (0.038 R)
• M5: 1,727,107 km (0.083 R)
• M6: 2,332,081 km (0.07 R)
• M7: 2,676,306 km (0.106 R)
• M8: 3,352,039 km (0.039 R)
• M9: 3,771,961 km (0.047 R)
• M10: 4,115,288 km (0.089 R)
• M11: 5,842,844 km (0.107 R)
• M12: 6,883,297 km (0.093 R)
• M13: 8,112,992 km (0.117 R)
• M14: 8,872,949 km (0.089 R)
• M15: 9,444,263 km (0.119 R)
• M16: 10,203,024 km (0.069 R)
• M17: 10,915,857 km (0.071 R)
• M18: 12,115,782 km (0.078 R)
• M19: 12,440,858 km (0.111 R)
• M20: 13,599,494 km (0.113 R)
• M21: 14,103,040 km (0.078 R)
• M22: 17,213,778 km (0.089 R)
• M23: 17,862,734 km (0.083 R)
• M24: 18,650,666 km (0.109 R)
• M25: 19,972,213 km (0.111 R)
• M26: 21,898,436 km (0.113 R)
• M27: 22,730,499 km (0.081 R)
• M28: 24,384,154 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752

Radius: 12.6

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.41 AU - 3.51 AU

Year: 4292 Days

Day: 6.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 84,472,372 km

• M1: 156,779 km (0.1 R)
• M2: 770,878 km (0.113 R)
• M3: 1,237,025 km (0.085 R)
• M4: 1,632,113 km (0.053 R)
• M5: 2,214,796 km (0.112 R)
• M6: 2,655,512 km (0.042 R)
• M7: 3,674,872 km (0.045 R)
• M8: 4,440,962 km (0.103 R)
• M9: 6,321,557 km (0.031 R)
• M10: 7,119,213 km (0.116 R)
• M11: 8,384,362 km (0.078 R)
• M12: 9,031,672 km (0.12 R)
• M13: 9,589,523 km (0.102 R)
• M14: 10,043,851 km (0.065 R)
• M15: 11,493,904 km (0.095 R)
• M16: 13,179,872 km (0.112 R)
• M17: 13,587,376 km (0.066 R)
• M18: 14,055,917 km (0.112 R)
• M19: 16,038,687 km (0.107 R)
• M20: 16,917,574 km (0.114 R)
• M21: 22,371,614 km (0.116 R)
• M22: 23,692,413 km (0.083 R)
• M23: 25,691,190 km (0.099 R)
• M24: 27,633,868 km (0.067 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 733.9

Radius: 7.8

Gravity: 12.06 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 7.53 AU - 10.81 AU

Year: 18518 Days

Day: 15.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 84,472,372 km

• M1: 96,939 km (0.096 R)
• M2: 399,576 km (0.046 R)
• M3: 972,536 km (0.093 R)
• M4: 1,307,485 km (0.118 R)
• M5: 2,824,557 km (0.119 R)
• M6: 3,718,405 km (0.038 R)
• M7: 4,086,415 km (0.088 R)
• M8: 4,895,590 km (0.065 R)
• M9: 6,261,269 km (0.067 R)
• M10: 7,380,860 km (0.101 R)
• M11: 8,368,355 km (0.113 R)
• M12: 8,893,893 km (0.12 R)
• M13: 10,482,921 km (0.109 R)
• M14: 12,588,362 km (0.092 R)
• M15: 32,907,193 km (0.116 R)
• M16: 44,347,391 km (0.108 R)
• M17: 48,569,342 km (0.043 R)
• M18: 52,344,744 km (0.048 R)
• M19: 59,318,847 km (0.087 R)
• M20: 69,830,491 km (0.093 R)
• M21: 70,687,088 km (0.08 R)
• M22: 71,984,850 km (0.074 R)
• M23: 73,518,976 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 701.9

Radius: 4.8

Gravity: 30.46 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 8.16 AU - 13.1 AU

Year: 23112 Days

Day: 24.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,472,372 km

• M1: 59,690 km (0.058 R)
• M2: 438,920 km (0.052 R)
• M3: 776,263 km (0.03 R)
• M4: 1,873,265 km (0.034 R)
• M5: 2,407,927 km (0.076 R)
• M6: 6,136,654 km (0.106 R)
• M7: 6,539,671 km (0.081 R)
• M8: 7,751,862 km (0.064 R)
• M9: 10,995,743 km (0.12 R)
• M10: 17,573,262 km (0.054 R)
• M11: 32,360,862 km (0.085 R)
• M12: 38,148,205 km (0.119 R)
• M13: 42,633,897 km (0.054 R)
• M14: 58,570,708 km (0.085 R)
• M15: 60,983,273 km (0.066 R)
• M16: 66,220,395 km (0.101 R)
• M17: 79,995,666 km (0.042 R)
• M18: 82,213,754 km (0.041 R)
• M19: 82,712,064 km (0.155 R)
• M20: 83,463,494 km (0.054 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 18,417 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit