🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926

Radius: 13.5

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.68 AU - 0.92 AU

Year: 462 Days

Day: 14.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,537,993 km

• M1: 167,849 km (0.046 R)
• M2: 668,104 km (0.087 R)
• M3: 1,092,962 km (0.11 R)
• M4: 1,627,326 km (0.052 R)
• M5: 2,169,768 km (0.081 R)
• M6: 2,964,731 km (0.089 R)
• M7: 3,400,060 km (0.119 R)
• M8: 3,851,248 km (0.098 R)
• M9: 4,688,397 km (0.109 R)
• M10: 5,401,830 km (0.092 R)
• M11: 6,038,368 km (0.085 R)
• M12: 6,567,795 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.9

Radius: 10

Gravity: 9.21 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.17 AU - 1.73 AU

Year: 1127 Days

Day: 12.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 170.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 25,537,993 km

• M1: 132,095 km (0.054 R)
• M2: 524,789 km (0.084 R)
• M3: 1,069,176 km (0.108 R)
• M4: 1,434,195 km (0.116 R)
• M5: 3,543,076 km (0.065 R)
• M6: 4,996,868 km (0.073 R)
• M7: 6,265,159 km (0.085 R)
• M8: 6,716,047 km (0.116 R)
• M9: 7,036,934 km (0.113 R)
• M10: 7,656,419 km (0.101 R)
• M11: 8,006,777 km (0.111 R)
• M12: 9,548,234 km (0.099 R)
• M13: 12,127,151 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.4

Radius: 9.3

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.66 AU - 2.62 AU

Year: 2021 Days

Day: 8.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 25,537,993 km

• M1: 116,238 km (0.082 R)
• M2: 592,258 km (0.108 R)
• M3: 1,173,595 km (0.107 R)
• M4: 1,751,342 km (0.099 R)
• M5: 2,281,816 km (0.104 R)
• M6: 2,579,366 km (0.088 R)
• M7: 3,021,428 km (0.079 R)
• M8: 3,324,513 km (0.099 R)
• M9: 4,325,024 km (0.076 R)
• M10: 5,615,605 km (0.092 R)
• M11: 7,943,497 km (0.092 R)
• M12: 9,191,592 km (0.083 R)
• M13: 10,348,283 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.9

Radius: 11.5

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.08 AU - 2.3 AU

Year: 2093 Days

Day: 10.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 25,537,993 km

• M1: 143,913 km (0.066 R)
• M2: 507,436 km (0.116 R)
• M3: 876,195 km (0.12 R)
• M4: 1,239,418 km (0.076 R)
• M5: 1,884,185 km (0.113 R)
• M6: 2,290,044 km (0.114 R)
• M7: 2,666,881 km (0.111 R)
• M8: 4,539,996 km (0.043 R)
• M9: 5,199,424 km (0.08 R)
• M10: 5,666,917 km (0.113 R)
• M11: 6,162,235 km (0.086 R)
• M12: 6,593,077 km (0.115 R)
• M13: 7,314,438 km (0.086 R)
• M14: 8,008,124 km (0.075 R)
• M15: 8,439,414 km (0.081 R)
• M16: 10,259,721 km (0.086 R)
• M17: 11,162,245 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.6

Radius: 14.7

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.25 AU - 2.81 AU

Year: 2598 Days

Day: 8 Hours

Environment

Temp: -205 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 25,537,993 km

• M1: 182,809 km (0.092 R)
• M2: 675,584 km (0.115 R)
• M3: 1,328,130 km (0.083 R)
• M4: 2,051,585 km (0.042 R)
• M5: 3,508,968 km (0.099 R)
• M6: 4,073,849 km (0.104 R)
• M7: 4,699,318 km (0.075 R)
• M8: 6,419,544 km (0.09 R)
• M9: 9,436,185 km (0.102 R)
• M10: 9,991,941 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.2

Radius: 9.3

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.38 AU - 3.84 AU

Year: 4429 Days

Day: 10.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 25,537,993 km

• M1: 116,686 km (0.08 R)
• M2: 429,047 km (0.093 R)
• M3: 1,141,581 km (0.073 R)
• M4: 1,635,254 km (0.092 R)
• M5: 2,401,495 km (0.098 R)
• M6: 3,409,186 km (0.101 R)
• M7: 3,752,513 km (0.114 R)
• M8: 4,141,019 km (0.101 R)
• M9: 6,000,371 km (0.088 R)
• M10: 6,442,283 km (0.1 R)
• M11: 6,748,809 km (0.077 R)
• M12: 9,924,323 km (0.102 R)
• M13: 11,143,845 km (0.059 R)
• M14: 11,452,615 km (0.039 R)
• M15: 13,526,340 km (0.073 R)
• M16: 15,563,414 km (0.114 R)
• M17: 16,229,275 km (0.041 R)
• M18: 18,648,571 km (0.114 R)
• M19: 20,962,701 km (0.09 R)
• M20: 24,189,676 km (0.095 R)
• M21: 25,234,169 km (0.083 R)
• M22: 25,538,002 km (0.114 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 501 - 12,872 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit