🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489

Radius: 13.5

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.71 AU - 1.05 AU

Year: 533 Days

Day: 8.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,003,832 km

• M1: 168,148 km (0.116 R)
• M2: 687,701 km (0.09 R)
• M3: 1,254,677 km (0.048 R)
• M4: 1,773,184 km (0.109 R)
• M5: 2,607,341 km (0.106 R)
• M6: 3,065,560 km (0.076 R)
• M7: 4,243,344 km (0.118 R)
• M8: 4,702,011 km (0.075 R)
• M9: 5,552,175 km (0.025 R)
• M10: 5,996,780 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.4

Radius: 10.6

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.13 AU - 1.55 AU

Year: 1002 Days

Day: 5.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 79,003,832 km

• M1: 133,591 km (0.109 R)
• M2: 526,585 km (0.086 R)
• M3: 1,329,626 km (0.107 R)
• M4: 2,299,020 km (0.104 R)
• M5: 2,786,111 km (0.103 R)
• M6: 3,164,743 km (0.059 R)
• M7: 7,074,633 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275

Radius: 9.8

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.52 AU - 3.7 AU

Year: 3541 Days

Day: 9.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,003,832 km

• M1: 212,878 km (0.11 R)
• M2: 537,356 km (0.104 R)
• M3: 1,019,509 km (0.112 R)
• M4: 1,360,144 km (0.077 R)
• M5: 1,821,653 km (0.096 R)
• M6: 2,279,722 km (0.048 R)
• M7: 2,889,632 km (0.092 R)
• M8: 3,411,430 km (0.065 R)
• M9: 3,731,868 km (0.116 R)
• M10: 4,331,307 km (0.116 R)
• M11: 4,643,817 km (0.039 R)
• M12: 5,290,977 km (0.099 R)
• M13: 5,624,431 km (0.037 R)
• M14: 6,150,866 km (0.079 R)
• M15: 6,987,866 km (0.058 R)
• M16: 8,303,729 km (0.113 R)
• M17: 8,722,453 km (0.114 R)
• M18: 9,428,555 km (0.098 R)
• M19: 11,458,748 km (0.111 R)
• M20: 13,280,401 km (0.113 R)
• M21: 13,587,077 km (0.095 R)
• M22: 14,169,162 km (0.109 R)
• M23: 14,767,853 km (0.074 R)
• M24: 16,114,533 km (0.114 R)
• M25: 17,228,738 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.1

Radius: 8.6

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 4.7 AU - 5.7 AU

Year: 7656 Days

Day: 11 Hours

Environment

Temp: -208 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,003,832 km

• M1: 106,962 km (0.102 R)
• M2: 395,537 km (0.108 R)
• M3: 820,096 km (0.104 R)
• M4: 2,168,870 km (0.068 R)
• M5: 4,768,881 km (0.085 R)
• M6: 5,056,408 km (0.074 R)
• M7: 5,495,328 km (0.091 R)
• M8: 6,049,289 km (0.05 R)
• M9: 9,805,093 km (0.077 R)
• M10: 11,854,734 km (0.112 R)
• M11: 12,141,662 km (0.103 R)
• M12: 14,992,250 km (0.076 R)
• M13: 17,510,580 km (0.084 R)
• M14: 18,324,243 km (0.066 R)
• M15: 20,916,774 km (0.071 R)
• M16: 21,904,120 km (0.094 R)
• M17: 23,668,777 km (0.087 R)
• M18: 26,246,797 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 211.6

Radius: 3.9

Gravity: 13.91 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 5.72 AU - 7.58 AU

Year: 11073 Days

Day: 15.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 79,003,832 km

• M1: 59,390 km (0.095 R)
• M2: 329,714 km (0.042 R)
• M3: 557,850 km (0.111 R)
• M4: 816,954 km (0.096 R)
• M5: 1,021,454 km (0.089 R)
• M6: 1,172,698 km (0.094 R)
• M7: 1,994,140 km (0.114 R)
• M8: 4,751,228 km (0.113 R)
• M9: 5,002,702 km (0.095 R)
• M10: 5,262,853 km (0.04 R)
• M11: 6,770,500 km (0.091 R)
• M12: 7,380,261 km (0.069 R)
• M13: 7,566,212 km (0.089 R)
• M14: 10,371,321 km (0.086 R)
• M15: 10,557,870 km (0.105 R)
• M16: 11,326,504 km (0.114 R)
• M17: 11,978,002 km (0.12 R)
• M18: 13,799,356 km (0.075 R)
• M19: 15,735,901 km (0.053 R)
• M20: 19,707,275 km (0.058 R)
• M21: 29,088,857 km (0.112 R)
• M22: 29,740,356 km (0.033 R)
• M23: 32,443,889 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 597.2

Radius: 6.3

Gravity: 15.05 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 9.62 AU - 11.82 AU

Year: 22662 Days

Day: 21.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,003,832 km

• M1: 78,389 km (0.098 R)
• M2: 1,013,825 km (0.054 R)
• M3: 3,207,827 km (0.119 R)
• M4: 4,652,943 km (0.081 R)
• M5: 5,719,426 km (0.072 R)
• M6: 6,755,840 km (0.069 R)
• M7: 8,116,732 km (0.111 R)
• M8: 15,798,433 km (0.097 R)
• M9: 18,707,064 km (0.096 R)
• M10: 18,979,631 km (0.046 R)
• M11: 21,653,394 km (0.086 R)
• M12: 27,033,981 km (0.119 R)
• M13: 29,170,388 km (0.087 R)
• M14: 33,642,168 km (0.048 R)
• M15: 35,690,910 km (0.053 R)
• M16: 47,867,429 km (0.075 R)
• M17: 49,929,935 km (0.1 R)
• M18: 52,410,268 km (0.12 R)
• M19: 62,544,177 km (0.092 R)
• M20: 75,735,119 km (0.117 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 535 - 14,710 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit