🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475

Radius: 14.6

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.41 AU - 0.63 AU

Year: 259 Days

Day: 10.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 13,658,965 km

• M1: 181,612 km (0.087 R)
• M2: 695,331 km (0.102 R)
• M3: 1,160,131 km (0.1 R)
• M4: 1,756,129 km (0.103 R)
• M5: 2,326,995 km (0.113 R)
• M6: 3,076,929 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.1

Radius: 8.4

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.67 AU - 0.95 AU

Year: 503 Days

Day: 7.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 13,658,965 km

• M1: 104,419 km (0.053 R)
• M2: 370,853 km (0.089 R)
• M3: 666,459 km (0.105 R)
• M4: 961,914 km (0.076 R)
• M5: 1,327,532 km (0.03 R)
• M6: 2,217,938 km (0.081 R)
• M7: 2,493,198 km (0.081 R)
• M8: 2,896,215 km (0.055 R)
• M9: 3,389,140 km (0.093 R)
• M10: 3,769,268 km (0.099 R)
• M11: 4,163,907 km (0.078 R)
• M12: 4,644,266 km (0.096 R)
• M13: 5,368,768 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.7

Radius: 12.8

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.89 AU - 0.97 AU

Year: 619 Days

Day: 5.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 13,658,965 km

• M1: 159,172 km (0.109 R)
• M2: 571,314 km (0.089 R)
• M3: 1,069,625 km (0.068 R)
• M4: 1,483,113 km (0.079 R)
• M5: 1,928,915 km (0.117 R)
• M6: 2,556,777 km (0.052 R)
• M7: 3,029,058 km (0.113 R)
• M8: 3,443,743 km (0.111 R)
• M9: 4,065,771 km (0.079 R)
• M10: 4,464,898 km (0.092 R)
• M11: 5,517,917 km (0.11 R)
• M12: 5,990,497 km (0.114 R)
• M13: 6,689,568 km (0.074 R)
• M14: 7,227,672 km (0.037 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.8

Radius: 12.2

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.97 AU - 1.25 AU

Year: 807 Days

Day: 11.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 13,658,965 km

• M1: 151,692 km (0.101 R)
• M2: 576,251 km (0.105 R)
• M3: 961,765 km (0.079 R)
• M4: 2,191,010 km (0.095 R)
• M5: 2,728,964 km (0.037 R)
• M6: 3,456,459 km (0.116 R)
• M7: 3,887,600 km (0.1 R)
• M8: 4,523,690 km (0.03 R)
• M9: 5,384,775 km (0.053 R)
• M10: 6,234,940 km (0.072 R)
• M11: 6,877,613 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.7

Radius: 15

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1 AU - 1.34 AU

Year: 874 Days

Day: 10.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 13,658,965 km

• M1: 186,549 km (0.032 R)
• M2: 683,513 km (0.106 R)
• M3: 1,422,077 km (0.042 R)
• M4: 1,959,583 km (0.09 R)
• M5: 2,576,973 km (0.103 R)
• M6: 3,309,703 km (0.079 R)
• M7: 3,793,054 km (0.102 R)
• M8: 4,710,837 km (0.1 R)
• M9: 5,478,723 km (0.099 R)
• M10: 6,543,860 km (0.106 R)
• M11: 7,265,370 km (0.06 R)
• M12: 8,735,169 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.8

Radius: 13.8

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.02 AU - 1.32 AU

Year: 874 Days

Day: 10.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 13,658,965 km

• M1: 172,038 km (0.119 R)
• M2: 646,861 km (0.111 R)
• M3: 1,266,346 km (0.04 R)
• M4: 2,003,564 km (0.118 R)
• M5: 2,648,182 km (0.11 R)
• M6: 3,527,518 km (0.069 R)
• M7: 4,407,752 km (0.032 R)
• M8: 4,891,402 km (0.086 R)
• M9: 5,449,102 km (0.07 R)
• M10: 6,343,847 km (0.067 R)
• M11: 7,310,848 km (0.093 R)
• M12: 7,842,369 km (0.045 R)
• M13: 9,341,041 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.5

Radius: 12.4

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.63 AU - 1.85 AU

Year: 1584 Days

Day: 9.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 13,658,965 km

• M1: 154,684 km (0.108 R)
• M2: 564,433 km (0.117 R)
• M3: 980,165 km (0.093 R)
• M4: 1,893,460 km (0.045 R)
• M5: 2,681,542 km (0.037 R)
• M6: 3,372,834 km (0.064 R)
• M7: 3,914,527 km (0.094 R)
• M8: 4,307,521 km (0.104 R)
• M9: 4,866,269 km (0.109 R)
• M10: 5,943,224 km (0.111 R)
• M11: 6,367,783 km (0.064 R)
• M12: 6,863,251 km (0.112 R)
• M13: 8,073,049 km (0.108 R)
• M14: 9,263,549 km (0.08 R)
• M15: 9,868,523 km (0.099 R)
• M16: 11,406,838 km (0.069 R)
• M17: 13,297,605 km (0.072 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: 195 - 19,095 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit