🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.8

Radius: 13.3

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.76 AU - 1.22 AU

Year: 668 Days

Day: 11.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,968,166 km

• M1: 165,455 km (0.117 R)
• M2: 628,161 km (0.051 R)
• M3: 1,338,602 km (0.101 R)
• M4: 1,793,080 km (0.095 R)
• M5: 2,211,057 km (0.076 R)
• M6: 2,780,725 km (0.103 R)
• M7: 3,237,896 km (0.079 R)
• M8: 4,146,554 km (0.11 R)
• M9: 4,794,612 km (0.062 R)
• M10: 5,757,274 km (0.093 R)
• M11: 6,764,217 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.8

Radius: 9.1

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.15 AU - 1.17 AU

Year: 847 Days

Day: 13.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,968,166 km

• M1: 113,395 km (0.119 R)
• M2: 466,297 km (0.106 R)
• M3: 817,403 km (0.072 R)
• M4: 1,257,071 km (0.063 R)
• M5: 1,540,708 km (0.11 R)
• M6: 1,931,159 km (0.089 R)
• M7: 2,251,298 km (0.036 R)
• M8: 2,938,102 km (0.026 R)
• M9: 3,310,601 km (0.099 R)
• M10: 3,656,770 km (0.115 R)
• M11: 4,357,487 km (0.09 R)
• M12: 5,477,975 km (0.117 R)
• M13: 6,415,654 km (0.087 R)
• M14: 7,294,991 km (0.117 R)
• M15: 7,981,196 km (0.086 R)
• M16: 8,504,340 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.5

Radius: 15

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.64 AU - 2.48 AU

Year: 2005 Days

Day: 6.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,968,166 km

• M1: 186,549 km (0.081 R)
• M2: 667,057 km (0.101 R)
• M3: 1,245,253 km (0.089 R)
• M4: 1,906,625 km (0.087 R)
• M5: 2,569,044 km (0.095 R)
• M6: 3,537,391 km (0.071 R)
• M7: 4,673,886 km (0.074 R)
• M8: 8,088,009 km (0.078 R)
• M9: 9,945,566 km (0.049 R)
• M10: 10,974,649 km (0.08 R)
• M11: 11,712,616 km (0.083 R)
• M12: 12,524,932 km (0.078 R)
• M13: 13,244,647 km (0.117 R)
• M14: 14,171,855 km (0.093 R)
• M15: 15,189,121 km (0.084 R)
• M16: 16,304,223 km (0.115 R)
• M17: 16,907,252 km (0.107 R)
• M18: 17,629,660 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.6

Radius: 14.7

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 3.16 AU - 4.82 AU

Year: 5406 Days

Day: 14.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,968,166 km

• M1: 182,809 km (0.096 R)
• M2: 874,848 km (0.082 R)
• M3: 1,534,425 km (0.051 R)
• M4: 2,355,568 km (0.047 R)
• M5: 3,132,879 km (0.076 R)
• M6: 4,414,184 km (0.076 R)
• M7: 5,868,874 km (0.115 R)
• M8: 6,924,437 km (0.092 R)
• M9: 7,696,212 km (0.069 R)
• M10: 9,246,345 km (0.088 R)
• M11: 12,446,842 km (0.054 R)
• M12: 17,186,252 km (0.072 R)
• M13: 19,339,265 km (0.091 R)
• M14: 21,230,182 km (0.099 R)
• M15: 24,972,373 km (0.077 R)
• M16: 25,622,525 km (0.116 R)
• M17: 29,582,829 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.2

Radius: 9.3

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.3 AU - 4.8 AU

Year: 5528 Days

Day: 12.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,968,166 km

• M1: 116,387 km (0.026 R)
• M2: 570,566 km (0.103 R)
• M3: 1,424,920 km (0.044 R)
• M4: 1,723,367 km (0.092 R)
• M5: 2,022,563 km (0.117 R)
• M6: 4,767,235 km (0.094 R)
• M7: 5,177,433 km (0.082 R)
• M8: 5,751,440 km (0.054 R)
• M9: 8,741,452 km (0.068 R)
• M10: 10,589,884 km (0.057 R)
• M11: 11,112,130 km (0.043 R)
• M12: 11,834,987 km (0.056 R)
• M13: 12,207,934 km (0.075 R)
• M14: 12,830,710 km (0.08 R)
• M15: 16,612,844 km (0.109 R)
• M16: 18,227,453 km (0.058 R)
• M17: 18,788,296 km (0.084 R)
• M18: 20,943,253 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.4

Radius: 10.2

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.01 AU - 5.97 AU

Year: 7560 Days

Day: 7.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,968,166 km

• M1: 127,009 km (0.087 R)
• M2: 445,951 km (0.108 R)
• M3: 818,749 km (0.086 R)
• M4: 1,177,784 km (0.091 R)
• M5: 2,045,601 km (0.108 R)
• M6: 3,494,157 km (0.061 R)
• M7: 4,250,225 km (0.067 R)
• M8: 5,356,950 km (0.093 R)
• M9: 6,761,824 km (0.038 R)
• M10: 7,118,166 km (0.111 R)
• M11: 8,130,644 km (0.104 R)
• M12: 8,845,423 km (0.059 R)
• M13: 9,675,841 km (0.092 R)
• M14: 10,167,718 km (0.099 R)
• M15: 11,160,450 km (0.085 R)
• M16: 12,972,080 km (0.095 R)
• M17: 13,430,747 km (0.064 R)
• M18: 13,995,479 km (0.102 R)
• M19: 15,940,850 km (0.103 R)
• M20: 17,444,159 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.6

Radius: 13.2

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.16 AU - 5.46 AU

Year: 8299 Days

Day: 7.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 32,968,166 km

• M1: 170,841 km (0.104 R)
• M2: 652,546 km (0.114 R)
• M3: 1,160,431 km (0.088 R)
• M4: 1,582,745 km (0.109 R)
• M5: 2,036,177 km (0.1 R)
• M6: 2,864,350 km (0.09 R)
• M7: 4,338,937 km (0.092 R)
• M8: 5,681,727 km (0.097 R)
• M9: 6,765,265 km (0.091 R)
• M10: 7,392,528 km (0.09 R)
• M11: 7,869,297 km (0.045 R)
• M12: 8,643,167 km (0.08 R)
• M13: 12,306,370 km (0.052 R)
• M14: 13,728,447 km (0.108 R)
• M15: 15,433,863 km (0.102 R)
• M16: 18,053,471 km (0.102 R)
• M17: 19,399,702 km (0.103 R)
• M18: 20,523,930 km (0.108 R)
• M19: 22,065,088 km (0.102 R)
• M20: 24,559,782 km (0.054 R)
• M21: 28,378,417 km (0.087 R)
• M22: 29,642,968 km (0.092 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: 253 - 15,268 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit