🌌 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: 831

Radius: 13

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.59 AU - 0.75 AU

Year: 372 Days

Day: 11.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,235,777 km

• M1: 161,715 km (0.104 R)
• M2: 623,524 km (0.095 R)
• M3: 1,052,720 km (0.113 R)
• M4: 1,519,466 km (0.045 R)
• M5: 2,377,409 km (0.089 R)
• M6: 2,900,852 km (0.114 R)
• M7: 3,489,221 km (0.108 R)
• M8: 3,998,153 km (0.067 R)
• M9: 5,012,725 km (0.099 R)
• M10: 5,419,033 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.7

Radius: 11.1

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.77 AU - 1.07 AU

Year: 599 Days

Day: 14.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,235,777 km

• M1: 139,276 km (0.077 R)
• M2: 669,899 km (0.077 R)
• M3: 1,264,551 km (0.113 R)
• M4: 1,625,680 km (0.09 R)
• M5: 2,011,194 km (0.058 R)
• M6: 2,458,043 km (0.092 R)
• M7: 3,000,784 km (0.088 R)
• M8: 3,486,977 km (0.074 R)
• M9: 3,903,607 km (0.085 R)
• M10: 4,511,124 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.7

Radius: 12.8

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.58 AU - 1.7 AU

Year: 1424 Days

Day: 10.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 36,235,777 km

• M1: 159,172 km (0.081 R)
• M2: 761,304 km (0.108 R)
• M3: 1,474,885 km (0.054 R)
• M4: 2,120,849 km (0.103 R)
• M5: 2,749,758 km (0.102 R)
• M6: 3,522,431 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.5

Radius: 13

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.57 AU - 2.57 AU

Year: 2020 Days

Day: 6.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,235,777 km

• M1: 162,762 km (0.105 R)
• M2: 576,999 km (0.115 R)
• M3: 1,048,980 km (0.069 R)
• M4: 1,948,961 km (0.081 R)
• M5: 2,729,563 km (0.083 R)
• M6: 3,163,696 km (0.048 R)
• M7: 4,173,481 km (0.116 R)
• M8: 4,579,939 km (0.086 R)
• M9: 5,495,029 km (0.065 R)
• M10: 7,365,451 km (0.104 R)
• M11: 8,301,635 km (0.112 R)
• M12: 8,858,438 km (0.12 R)
• M13: 9,628,867 km (0.03 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.3

Radius: 9.9

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.35 AU - 3.73 AU

Year: 3595 Days

Day: 13.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,235,777 km

• M1: 123,269 km (0.106 R)
• M2: 501,302 km (0.112 R)
• M3: 993,180 km (0.085 R)
• M4: 1,829,432 km (0.115 R)
• M5: 2,149,871 km (0.068 R)
• M6: 2,828,447 km (0.109 R)
• M7: 6,939,546 km (0.074 R)
• M8: 7,302,470 km (0.077 R)
• M9: 9,369,614 km (0.116 R)
• M10: 10,302,506 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.8

Radius: 11.9

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.54 AU - 3.96 AU

Year: 4925 Days

Day: 12.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 36,235,777 km

• M1: 148,102 km (0.091 R)
• M2: 544,686 km (0.11 R)
• M3: 1,362,238 km (0.117 R)
• M4: 2,295,729 km (0.106 R)
• M5: 3,575,090 km (0.089 R)
• M6: 4,558,397 km (0.084 R)
• M7: 4,999,112 km (0.056 R)
• M8: 5,631,163 km (0.103 R)
• M9: 6,345,493 km (0.119 R)
• M10: 6,865,196 km (0.113 R)
• M11: 7,714,762 km (0.099 R)
• M12: 8,523,488 km (0.092 R)
• M13: 9,982,666 km (0.094 R)
• M14: 11,647,092 km (0.062 R)
• M15: 13,145,165 km (0.077 R)
• M16: 15,086,646 km (0.057 R)
• M17: 15,903,301 km (0.084 R)
• M18: 16,864,168 km (0.101 R)
• M19: 17,624,724 km (0.048 R)
• M20: 19,979,544 km (0.112 R)
• M21: 20,964,496 km (0.109 R)
• M22: 21,434,981 km (0.067 R)
• M23: 22,188,655 km (0.08 R)
• M24: 23,244,667 km (0.104 R)
• M25: 24,040,228 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.2

Radius: 9.2

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.13 AU - 5.79 AU

Year: 7492 Days

Day: 5.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,235,777 km

• M1: 119,529 km (0.041 R)
• M2: 430,243 km (0.07 R)
• M3: 801,994 km (0.097 R)
• M4: 1,958,984 km (0.052 R)
• M5: 2,478,538 km (0.078 R)
• M6: 3,276,044 km (0.096 R)
• M7: 3,840,776 km (0.053 R)
• M8: 4,711,286 km (0.12 R)
• M9: 6,910,075 km (0.094 R)
• M10: 15,414,116 km (0.088 R)
• M11: 16,798,494 km (0.041 R)
• M12: 17,124,319 km (0.101 R)
• M13: 18,059,305 km (0.09 R)
• M14: 18,401,286 km (0.069 R)
• M15: 20,030,556 km (0.069 R)
• M16: 35,911,717 km (0.104 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 336 - 18,459 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit