🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.4

Radius: 10.1

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.58 AU - 0.62 AU

Year: 310 Days

Day: 7.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 10,792,914 km

• M1: 125,662 km (0.07 R)
• M2: 468,092 km (0.092 R)
• M3: 842,834 km (0.056 R)
• M4: 1,332,618 km (0.072 R)
• M5: 1,653,655 km (0.074 R)
• M6: 1,998,927 km (0.102 R)
• M7: 2,337,916 km (0.085 R)
• M8: 3,086,204 km (0.09 R)
• M9: 3,615,781 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.8

Radius: 12.5

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.79 AU - 1.11 AU

Year: 617 Days

Day: 8.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 10,792,914 km

• M1: 155,432 km (0.072 R)
• M2: 596,896 km (0.085 R)
• M3: 1,010,833 km (0.063 R)
• M4: 1,542,055 km (0.082 R)
• M5: 1,975,889 km (0.088 R)
• M6: 2,367,536 km (0.072 R)
• M7: 2,916,560 km (0.096 R)
• M8: 3,455,561 km (0.096 R)
• M9: 4,507,833 km (0.059 R)
• M10: 4,902,771 km (0.032 R)
• M11: 5,687,561 km (0.034 R)
• M12: 6,492,697 km (0.111 R)
• M13: 7,621,413 km (0.093 R)
• M14: 8,064,971 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.8

Radius: 13.6

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.31 AU - 1.45 AU

Year: 1081 Days

Day: 8.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 10,792,914 km

• M1: 169,943 km (0.071 R)
• M2: 692,189 km (0.114 R)
• M3: 1,155,195 km (0.086 R)
• M4: 1,609,374 km (0.05 R)
• M5: 2,097,512 km (0.111 R)
• M6: 3,106,998 km (0.04 R)
• M7: 3,846,311 km (0.112 R)
• M8: 4,354,196 km (0.118 R)
• M9: 5,337,652 km (0.089 R)
• M10: 6,359,405 km (0.056 R)
• M11: 7,322,517 km (0.049 R)
• M12: 8,712,131 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.8

Radius: 14.8

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.28 AU - 1.52 AU

Year: 1105 Days

Day: 13.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 10,792,914 km

• M1: 184,604 km (0.104 R)
• M2: 1,006,644 km (0.119 R)
• M3: 1,587,084 km (0.025 R)
• M4: 3,391,533 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.5

Radius: 9

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.08 AU - 2.98 AU

Year: 2684 Days

Day: 7.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 10,792,914 km

• M1: 111,899 km (0.112 R)
• M2: 417,079 km (0.039 R)
• M3: 774,319 km (0.046 R)
• M4: 1,172,847 km (0.11 R)
• M5: 1,462,469 km (0.077 R)
• M6: 2,264,762 km (0.093 R)
• M7: 3,605,309 km (0.111 R)
• M8: 4,019,695 km (0.105 R)
• M9: 5,118,790 km (0.1 R)
• M10: 6,078,760 km (0.064 R)
• M11: 6,853,826 km (0.102 R)
• M12: 7,577,581 km (0.107 R)
• M13: 8,017,847 km (0.12 R)
• M14: 9,275,517 km (0.107 R)
• M15: 10,587,640 km (0.113 R)
• M16: 11,477,747 km (0.101 R)
• M17: 11,980,246 km (0.085 R)
• M18: 12,740,951 km (0.087 R)
• M19: 13,321,840 km (0.114 R)
• M20: 15,729,019 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.9

Radius: 13.8

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.11 AU - 3.71 AU

Year: 4199 Days

Day: 5.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 10,792,914 km

• M1: 171,738 km (0.116 R)
• M2: 906,114 km (0.112 R)
• M3: 2,342,254 km (0.11 R)
• M4: 2,831,738 km (0.096 R)
• M5: 3,506,125 km (0.108 R)
• M6: 4,609,858 km (0.061 R)
• M7: 6,191,706 km (0.073 R)
• M8: 7,139,110 km (0.101 R)
• M9: 8,251,370 km (0.11 R)
• M10: 8,905,262 km (0.056 R)
• M11: 9,751,088 km (0.119 R)
• M12: 11,293,891 km (0.032 R)
• M13: 12,707,292 km (0.107 R)
• M14: 13,383,026 km (0.086 R)
• M15: 14,545,102 km (0.085 R)
• M16: 18,314,519 km (0.107 R)
• M17: 22,621,143 km (0.104 R)
• M18: 23,614,622 km (0.115 R)
• M19: 24,934,375 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35

Radius: 10.6

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.65 AU - 3.73 AU

Year: 4727 Days

Day: 6.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 10,792,914 km

• M1: 131,796 km (0.06 R)
• M2: 565,779 km (0.098 R)
• M3: 1,189,901 km (0.093 R)
• M4: 1,895,854 km (0.076 R)
• M5: 2,332,530 km (0.041 R)
• M6: 2,772,348 km (0.06 R)
• M7: 3,396,021 km (0.115 R)
• M8: 5,249,688 km (0.088 R)
• M9: 6,009,945 km (0.117 R)
• M10: 9,861,940 km (0.077 R)
• M11: 10,570,586 km (0.116 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: 398 - 14,885 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit