🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.5

Radius: 9.5

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.54 AU - 0.8 AU

Year: 366 Days

Day: 11.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,741,033 km

• M1: 118,182 km (0.026 R)
• M2: 509,830 km (0.112 R)
• M3: 893,847 km (0.108 R)
• M4: 1,205,759 km (0.074 R)
• M5: 1,552,975 km (0.093 R)
• M6: 1,929,214 km (0.119 R)
• M7: 2,297,225 km (0.108 R)
• M8: 2,664,787 km (0.061 R)
• M9: 3,071,394 km (0.092 R)
• M10: 3,947,738 km (0.063 R)
• M11: 4,278,649 km (0.087 R)
• M12: 4,795,958 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.3

Radius: 9.4

Gravity: 10.28 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.75 AU - 0.79 AU

Year: 451 Days

Day: 14.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,741,033 km

• M1: 117,135 km (0.072 R)
• M2: 605,722 km (0.047 R)
• M3: 906,713 km (0.07 R)
• M4: 1,381,836 km (0.106 R)
• M5: 2,836,675 km (0.114 R)
• M6: 3,225,629 km (0.064 R)
• M7: 3,715,712 km (0.072 R)
• M8: 4,445,600 km (0.097 R)
• M9: 5,454,488 km (0.103 R)
• M10: 5,786,894 km (0.104 R)
• M11: 6,531,293 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.1

Radius: 10.7

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.65 AU - 2.59 AU

Year: 2058 Days

Day: 5.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 31,741,033 km

• M1: 133,142 km (0.101 R)
• M2: 474,524 km (0.098 R)
• M3: 987,196 km (0.107 R)
• M4: 1,748,500 km (0.094 R)
• M5: 2,289,446 km (0.086 R)
• M6: 2,648,929 km (0.096 R)
• M7: 3,046,261 km (0.109 R)
• M8: 4,404,311 km (0.117 R)
• M9: 5,596,905 km (0.096 R)
• M10: 6,281,166 km (0.054 R)
• M11: 6,830,190 km (0.053 R)
• M12: 7,297,983 km (0.065 R)
• M13: 7,669,883 km (0.096 R)
• M14: 8,236,410 km (0.113 R)
• M15: 8,608,460 km (0.074 R)
• M16: 10,281,263 km (0.061 R)
• M17: 11,459,646 km (0.07 R)
• M18: 12,002,536 km (0.115 R)
• M19: 13,691,945 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.6

Radius: 10.3

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.63 AU - 3.35 AU

Year: 3448 Days

Day: 5.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,741,033 km

• M1: 128,056 km (0.055 R)
• M2: 461,958 km (0.084 R)
• M3: 889,808 km (0.073 R)
• M4: 2,274,636 km (0.102 R)
• M5: 2,830,990 km (0.1 R)
• M6: 3,385,699 km (0.108 R)
• M7: 6,780,972 km (0.041 R)
• M8: 9,038,853 km (0.049 R)
• M9: 12,743,794 km (0.065 R)
• M10: 17,085,423 km (0.103 R)
• M11: 19,499,035 km (0.071 R)
• M12: 19,972,064 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.9

Radius: 13.4

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.1 AU - 4.04 AU

Year: 4498 Days

Day: 6 Hours

Environment

Temp: -224 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 31,741,033 km

• M1: 166,951 km (0.116 R)
• M2: 903,571 km (0.075 R)
• M3: 2,089,733 km (0.116 R)
• M4: 2,553,187 km (0.108 R)
• M5: 3,066,756 km (0.082 R)
• M6: 4,163,010 km (0.081 R)
• M7: 4,623,621 km (0.06 R)
• M8: 5,619,794 km (0.028 R)
• M9: 6,496,736 km (0.067 R)
• M10: 7,533,150 km (0.117 R)
• M11: 8,146,651 km (0.103 R)
• M12: 10,450,907 km (0.111 R)
• M13: 11,261,279 km (0.109 R)
• M14: 14,928,072 km (0.08 R)
• M15: 17,031,119 km (0.106 R)
• M16: 18,217,430 km (0.067 R)
• M17: 19,929,279 km (0.103 R)
• M18: 20,407,842 km (0.114 R)
• M19: 22,180,427 km (0.053 R)
• M20: 24,285,120 km (0.087 R)
• M21: 25,068,115 km (0.078 R)
• M22: 27,687,275 km (0.054 R)
• M23: 28,888,695 km (0.106 R)
• M24: 29,325,970 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 152.1

Radius: 6.4

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 6.02 AU - 7.28 AU

Year: 11436 Days

Day: 16.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,741,033 km

• M1: 79,586 km (0.115 R)
• M2: 318,045 km (0.092 R)
• M3: 730,935 km (0.104 R)
• M4: 1,041,201 km (0.085 R)
• M5: 1,569,132 km (0.053 R)
• M6: 2,121,148 km (0.077 R)
• M7: 2,326,247 km (0.03 R)
• M8: 2,685,731 km (0.074 R)
• M9: 4,254,863 km (0.025 R)
• M10: 5,463,015 km (0.098 R)
• M11: 7,809,458 km (0.052 R)
• M12: 8,814,755 km (0.114 R)
• M13: 9,348,670 km (0.057 R)
• M14: 10,345,590 km (0.073 R)
• M15: 11,032,843 km (0.045 R)
• M16: 11,316,032 km (0.051 R)
• M17: 12,447,141 km (0.11 R)
• M18: 14,033,178 km (0.105 R)
• M19: 16,596,089 km (0.042 R)
• M20: 17,987,648 km (0.081 R)
• M21: 22,025,893 km (0.105 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 11,389 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit