🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362

Radius: 8.5

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.86 AU - 1.08 AU

Year: 627 Days

Day: 14.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 21,297,081 km

• M1: 105,766 km (0.071 R)
• M2: 624,571 km (0.032 R)
• M3: 1,010,384 km (0.063 R)
• M4: 2,166,626 km (0.038 R)
• M5: 2,640,552 km (0.076 R)
• M6: 3,967,635 km (0.026 R)
• M7: 5,241,161 km (0.097 R)
• M8: 5,726,457 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.4

Radius: 11.1

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.13 AU - 1.27 AU

Year: 862 Days

Day: 8.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 21,297,081 km

• M1: 138,079 km (0.115 R)
• M2: 483,201 km (0.054 R)
• M3: 935,884 km (0.081 R)
• M4: 1,413,700 km (0.067 R)
• M5: 1,859,950 km (0.066 R)
• M6: 2,236,937 km (0.055 R)
• M7: 2,689,471 km (0.099 R)
• M8: 3,903,906 km (0.074 R)
• M9: 4,308,269 km (0.079 R)
• M10: 5,144,820 km (0.1 R)
• M11: 5,512,382 km (0.101 R)
• M12: 5,876,803 km (0.07 R)
• M13: 6,300,763 km (0.089 R)
• M14: 6,813,435 km (0.094 R)
• M15: 7,746,327 km (0.079 R)
• M16: 8,387,953 km (0.101 R)
• M17: 9,316,955 km (0.087 R)
• M18: 9,865,232 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.4

Radius: 8.4

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.97 AU - 1.51 AU

Year: 906 Days

Day: 15 Hours

Environment

Temp: -177 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,297,081 km

• M1: 104,868 km (0.109 R)
• M2: 795,561 km (0.106 R)
• M3: 1,278,015 km (0.069 R)
• M4: 1,858,604 km (0.105 R)
• M5: 2,406,581 km (0.079 R)
• M6: 2,882,153 km (0.083 R)
• M7: 3,167,286 km (0.059 R)
• M8: 3,617,127 km (0.118 R)
• M9: 5,418,285 km (0.073 R)
• M10: 5,967,609 km (0.11 R)
• M11: 6,255,884 km (0.082 R)
• M12: 7,049,351 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.1

Radius: 14.8

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.47 AU - 2.35 AU

Year: 1732 Days

Day: 5.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,297,081 km

• M1: 193,580 km (0.106 R)
• M2: 711,188 km (0.069 R)
• M3: 1,245,701 km (0.102 R)
• M4: 1,720,974 km (0.107 R)
• M5: 2,473,002 km (0.076 R)
• M6: 3,347,103 km (0.103 R)
• M7: 3,915,126 km (0.106 R)
• M8: 6,063,650 km (0.065 R)
• M9: 6,573,929 km (0.086 R)
• M10: 7,549,756 km (0.079 R)
• M11: 8,224,592 km (0.077 R)
• M12: 10,041,757 km (0.081 R)
• M13: 10,892,819 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.5

Radius: 8.6

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.85 AU - 2.51 AU

Year: 2112 Days

Day: 10.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 21,297,081 km

• M1: 106,962 km (0.105 R)
• M2: 458,966 km (0.066 R)
• M3: 913,145 km (0.1 R)
• M4: 1,562,101 km (0.087 R)
• M5: 2,583,256 km (0.111 R)
• M6: 4,551,964 km (0.115 R)
• M7: 5,379,539 km (0.03 R)
• M8: 5,746,653 km (0.102 R)
• M9: 6,790,846 km (0.118 R)
• M10: 7,385,796 km (0.118 R)
• M11: 7,724,785 km (0.081 R)
• M12: 8,835,699 km (0.119 R)
• M13: 9,380,385 km (0.056 R)
• M14: 9,778,315 km (0.114 R)
• M15: 12,445,944 km (0.081 R)
• M16: 13,130,504 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973

Radius: 8.6

Gravity: 13.16 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.29 AU - 2.57 AU

Year: 2485 Days

Day: 14.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 21,297,081 km

• M1: 106,962 km (0.088 R)
• M2: 542,891 km (0.104 R)
• M3: 1,875,359 km (0.099 R)
• M4: 2,421,242 km (0.081 R)
• M5: 3,120,911 km (0.118 R)
• M6: 3,556,091 km (0.112 R)
• M7: 4,262,791 km (0.039 R)
• M8: 5,011,977 km (0.086 R)
• M9: 5,405,420 km (0.066 R)
• M10: 6,116,309 km (0.114 R)
• M11: 6,537,427 km (0.117 R)
• M12: 8,016,052 km (0.087 R)
• M13: 8,975,274 km (0.113 R)
• M14: 9,482,560 km (0.078 R)
• M15: 9,970,698 km (0.091 R)
• M16: 11,409,979 km (0.118 R)
• M17: 12,354,989 km (0.093 R)
• M18: 13,166,258 km (0.104 R)
• M19: 13,538,159 km (0.101 R)
• M20: 13,916,791 km (0.07 R)
• M21: 15,709,572 km (0.068 R)
• M22: 16,500,047 km (0.112 R)
• M23: 17,041,591 km (0.072 R)
• M24: 18,332,321 km (0.113 R)
• M25: 20,419,511 km (0.115 R)
• M26: 20,980,802 km (0.1 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 14,193 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit