🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.9

Radius: 11.1

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.63 AU - 1.89 AU

Year: 1532 Days

Day: 6.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 115.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,121,757 km

• M1: 138,079 km (0.026 R)
• M2: 524,640 km (0.068 R)
• M3: 876,943 km (0.05 R)
• M4: 1,463,965 km (0.088 R)
• M5: 1,848,431 km (0.115 R)
• M6: 2,300,666 km (0.05 R)
• M7: 2,651,323 km (0.098 R)
• M8: 3,170,428 km (0.114 R)
• M9: 4,431,987 km (0.104 R)
• M10: 4,779,502 km (0.084 R)
• M11: 5,166,063 km (0.114 R)
• M12: 6,749,706 km (0.102 R)
• M13: 7,396,717 km (0.077 R)
• M14: 9,242,007 km (0.054 R)
• M15: 10,238,478 km (0.059 R)
• M16: 10,953,257 km (0.117 R)
• M17: 12,180,558 km (0.082 R)
• M18: 12,866,314 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.3

Radius: 8.1

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.94 AU - 2.16 AU

Year: 1925 Days

Day: 5.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,121,757 km

• M1: 100,679 km (0.11 R)
• M2: 417,228 km (0.067 R)
• M3: 970,292 km (0.112 R)
• M4: 1,364,333 km (0.09 R)
• M5: 1,750,445 km (0.108 R)
• M6: 2,050,538 km (0.113 R)
• M7: 2,844,753 km (0.086 R)
• M8: 3,192,419 km (0.104 R)
• M9: 3,925,149 km (0.104 R)
• M10: 4,203,999 km (0.088 R)
• M11: 5,218,123 km (0.111 R)
• M12: 6,386,931 km (0.089 R)
• M13: 8,082,175 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.7

Radius: 8.9

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.25 AU - 2.47 AU

Year: 2378 Days

Day: 12.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,121,757 km

• M1: 113,994 km (0.111 R)
• M2: 457,620 km (0.12 R)
• M3: 1,010,982 km (0.069 R)
• M4: 1,611,169 km (0.106 R)
• M5: 1,900,491 km (0.094 R)
• M6: 2,284,509 km (0.077 R)
• M7: 5,756,077 km (0.085 R)
• M8: 6,614,619 km (0.045 R)
• M9: 8,059,136 km (0.093 R)
• M10: 10,096,809 km (0.089 R)
• M11: 10,535,430 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.9

Radius: 13.3

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 3.43 AU - 4.65 AU

Year: 5327 Days

Day: 13.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,121,757 km

• M1: 172,038 km (0.099 R)
• M2: 867,069 km (0.09 R)
• M3: 1,309,729 km (0.098 R)
• M4: 2,468,365 km (0.118 R)
• M5: 2,914,017 km (0.113 R)
• M6: 3,599,923 km (0.082 R)
• M7: 4,224,345 km (0.117 R)
• M8: 6,702,134 km (0.092 R)
• M9: 10,025,900 km (0.052 R)
• M10: 11,591,890 km (0.111 R)
• M11: 12,261,939 km (0.108 R)
• M12: 12,907,155 km (0.107 R)
• M13: 16,419,862 km (0.118 R)
• M14: 19,109,931 km (0.077 R)
• M15: 21,649,505 km (0.092 R)
• M16: 22,372,810 km (0.091 R)
• M17: 25,110,900 km (0.062 R)
• M18: 26,890,217 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.5

Radius: 14.1

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.27 AU - 4.65 AU

Year: 6179 Days

Day: 9.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,121,757 km

• M1: 175,329 km (0.078 R)
• M2: 623,075 km (0.112 R)
• M3: 1,193,342 km (0.102 R)
• M4: 2,009,548 km (0.111 R)
• M5: 3,425,492 km (0.093 R)
• M6: 4,284,633 km (0.078 R)
• M7: 4,860,884 km (0.108 R)
• M8: 5,669,161 km (0.071 R)
• M9: 7,591,045 km (0.079 R)
• M10: 8,279,943 km (0.102 R)
• M11: 9,220,465 km (0.112 R)
• M12: 13,378,687 km (0.116 R)
• M13: 14,328,035 km (0.117 R)
• M14: 16,361,220 km (0.096 R)
• M15: 22,429,658 km (0.115 R)
• M16: 26,434,692 km (0.106 R)
• M17: 27,219,033 km (0.045 R)
• M18: 27,661,394 km (0.103 R)
• M19: 28,560,477 km (0.096 R)
• M20: 31,569,190 km (0.078 R)
• M21: 32,057,627 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157.8

Radius: 6.8

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 9.46 AU - 9.84 AU

Year: 19665 Days

Day: 22.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 46,121,757 km

• M1: 84,672 km (0.12 R)
• M2: 458,368 km (0.117 R)
• M3: 737,069 km (0.094 R)
• M4: 980,614 km (0.088 R)
• M5: 1,365,230 km (0.09 R)
• M6: 2,008,052 km (0.086 R)
• M7: 4,421,066 km (0.032 R)
• M8: 4,864,324 km (0.119 R)
• M9: 6,013,535 km (0.097 R)
• M10: 6,977,245 km (0.098 R)
• M11: 8,791,119 km (0.08 R)
• M12: 9,207,151 km (0.038 R)
• M13: 9,587,728 km (0.079 R)
• M14: 10,329,883 km (0.065 R)
• M15: 11,378,115 km (0.076 R)
• M16: 13,623,130 km (0.097 R)
• M17: 16,079,228 km (0.119 R)
• M18: 16,423,004 km (0.1 R)
• M19: 16,912,338 km (0.091 R)
• M20: 19,428,874 km (0.116 R)
• M21: 20,534,103 km (0.115 R)
• M22: 20,857,384 km (0.069 R)
• M23: 25,190,486 km (0.103 R)
• M24: 30,714,836 km (0.097 R)
• M25: 31,671,964 km (0.113 R)
• M26: 33,089,403 km (0.076 R)
• M27: 34,434,887 km (0.096 R)
• M28: 35,933,109 km (0.083 R)
• M29: 46,121,772 km (0.07 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 16,102 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit