🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.3

Radius: 15

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.63 AU - 0.93 AU

Year: 467 Days

Day: 7 Hours

Environment

Temp: -164 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,417,717 km

• M1: 186,549 km (0.089 R)
• M2: 1,012,927 km (0.103 R)
• M3: 1,513,182 km (0.115 R)
• M4: 2,261,920 km (0.103 R)
• M5: 2,769,805 km (0.118 R)
• M6: 3,238,196 km (0.099 R)
• M7: 3,798,440 km (0.088 R)
• M8: 4,567,971 km (0.099 R)
• M9: 5,053,266 km (0.107 R)
• M10: 5,794,524 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.9

Radius: 11.1

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.74 AU - 1.08 AU

Year: 589 Days

Day: 8.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,417,717 km

• M1: 138,079 km (0.065 R)
• M2: 485,295 km (0.11 R)
• M3: 849,267 km (0.101 R)
• M4: 1,206,507 km (0.113 R)
• M5: 1,666,819 km (0.083 R)
• M6: 2,443,831 km (0.048 R)
• M7: 3,227,275 km (0.089 R)
• M8: 3,851,098 km (0.106 R)
• M9: 4,403,713 km (0.075 R)
• M10: 4,800,895 km (0.075 R)
• M11: 5,289,033 km (0.119 R)
• M12: 5,650,312 km (0.09 R)
• M13: 6,616,714 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.7

Radius: 8.6

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.95 AU - 1.31 AU

Year: 815 Days

Day: 11.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,417,717 km

• M1: 106,962 km (0.108 R)
• M2: 401,820 km (0.045 R)
• M3: 917,633 km (0.078 R)
• M4: 1,306,737 km (0.118 R)
• M5: 1,722,021 km (0.095 R)
• M6: 2,005,958 km (0.102 R)
• M7: 2,633,671 km (0.11 R)
• M8: 3,375,676 km (0.084 R)
• M9: 3,766,575 km (0.079 R)
• M10: 4,113,193 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.2

Radius: 13.6

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.44 AU - 3.14 AU

Year: 3161 Days

Day: 9.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,417,717 km

• M1: 169,195 km (0.112 R)
• M2: 606,021 km (0.111 R)
• M3: 1,092,064 km (0.089 R)
• M4: 1,676,543 km (0.057 R)
• M5: 2,408,975 km (0.041 R)
• M6: 3,383,156 km (0.103 R)
• M7: 3,961,651 km (0.108 R)
• M8: 4,673,737 km (0.086 R)
• M9: 5,444,465 km (0.029 R)
• M10: 6,049,439 km (0.112 R)
• M11: 6,699,142 km (0.102 R)
• M12: 8,477,263 km (0.118 R)
• M13: 9,146,713 km (0.052 R)
• M14: 10,512,093 km (0.106 R)
• M15: 11,622,259 km (0.116 R)
• M16: 15,526,763 km (0.104 R)
• M17: 16,910,842 km (0.116 R)
• M18: 17,973,137 km (0.097 R)
• M19: 18,433,599 km (0.09 R)
• M20: 19,558,874 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.5

Radius: 10.7

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.64 AU - 3.1 AU

Year: 3298 Days

Day: 13.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 156.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,417,717 km

• M1: 133,142 km (0.118 R)
• M2: 676,930 km (0.105 R)
• M3: 1,178,083 km (0.061 R)
• M4: 1,526,048 km (0.072 R)
• M5: 2,043,956 km (0.1 R)
• M6: 2,585,051 km (0.102 R)
• M7: 3,014,098 km (0.09 R)
• M8: 3,471,867 km (0.08 R)
• M9: 3,975,713 km (0.1 R)
• M10: 4,331,158 km (0.106 R)
• M11: 4,776,660 km (0.095 R)
• M12: 5,476,928 km (0.114 R)
• M13: 7,701,897 km (0.112 R)
• M14: 10,315,671 km (0.098 R)
• M15: 11,318,575 km (0.112 R)
• M16: 12,473,321 km (0.078 R)
• M17: 15,066,002 km (0.097 R)
• M18: 17,218,715 km (0.109 R)
• M19: 18,918,596 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.5

Radius: 11.4

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.78 AU - 4.4 AU

Year: 5610 Days

Day: 7.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 36,417,717 km

• M1: 141,819 km (0.083 R)
• M2: 528,080 km (0.112 R)
• M3: 888,013 km (0.111 R)
• M4: 1,964,370 km (0.041 R)
• M5: 2,605,546 km (0.116 R)
• M6: 3,742,191 km (0.117 R)
• M7: 4,703,507 km (0.102 R)
• M8: 5,727,953 km (0.042 R)
• M9: 8,335,294 km (0.116 R)
• M10: 10,954,753 km (0.118 R)
• M11: 11,497,793 km (0.108 R)
• M12: 12,425,150 km (0.113 R)
• M13: 15,262,723 km (0.093 R)
• M14: 16,382,463 km (0.098 R)
• M15: 17,422,916 km (0.072 R)
• M16: 18,368,973 km (0.099 R)
• M17: 20,734,265 km (0.118 R)
• M18: 22,735,735 km (0.083 R)
• M19: 24,610,795 km (0.101 R)
• M20: 27,030,091 km (0.087 R)
• M21: 29,226,487 km (0.114 R)
• M22: 32,437,456 km (0.11 R)
• M23: 33,661,166 km (0.104 R)
• M24: 34,075,852 km (0.054 R)
• M25: 36,092,281 km (0.111 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 434 - 14,117 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit