🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.3

Radius: 8.4

Gravity: 12.56 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.44 AU - 0.62 AU

Year: 262 Days

Day: 5.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 124.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,119,855 km

• M1: 104,419 km (0.056 R)
• M2: 377,585 km (0.119 R)
• M3: 660,175 km (0.067 R)
• M4: 929,003 km (0.042 R)
• M5: 1,538,016 km (0.108 R)
• M6: 1,950,008 km (0.058 R)
• M7: 2,239,779 km (0.109 R)
• M8: 2,630,978 km (0.089 R)
• M9: 2,996,445 km (0.085 R)
• M10: 3,395,572 km (0.096 R)
• M11: 4,135,334 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.7

Radius: 8.8

Gravity: 12.15 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.87 AU - 1.01 AU

Year: 618 Days

Day: 8.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,119,855 km

• M1: 109,506 km (0.114 R)
• M2: 582,235 km (0.108 R)
• M3: 952,041 km (0.112 R)
• M4: 1,319,453 km (0.112 R)
• M5: 1,840,951 km (0.067 R)
• M6: 2,377,260 km (0.066 R)
• M7: 2,763,073 km (0.076 R)
• M8: 3,039,081 km (0.049 R)
• M9: 3,413,375 km (0.117 R)
• M10: 3,703,594 km (0.082 R)
• M11: 4,792,517 km (0.095 R)
• M12: 5,139,734 km (0.098 R)
• M13: 6,489,256 km (0.119 R)
• M14: 7,775,050 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.6

Radius: 11.2

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.04 AU - 1.06 AU

Year: 730 Days

Day: 14.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,119,855 km

• M1: 139,276 km (0.086 R)
• M2: 677,828 km (0.105 R)
• M3: 1,373,458 km (0.055 R)
• M4: 1,782,010 km (0.082 R)
• M5: 2,700,242 km (0.104 R)
• M6: 3,272,453 km (0.084 R)
• M7: 3,650,786 km (0.1 R)
• M8: 4,660,273 km (0.097 R)
• M9: 5,598,401 km (0.1 R)
• M10: 6,807,601 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.2

Radius: 11.7

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.09 AU - 1.35 AU

Year: 914 Days

Day: 5.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,119,855 km

• M1: 146,008 km (0.119 R)
• M2: 530,025 km (0.072 R)
• M3: 1,130,362 km (0.099 R)
• M4: 1,815,819 km (0.099 R)
• M5: 2,352,127 km (0.093 R)
• M6: 3,071,843 km (0.117 R)
• M7: 3,564,917 km (0.093 R)
• M8: 4,395,036 km (0.081 R)
• M9: 4,801,493 km (0.034 R)
• M10: 5,508,343 km (0.091 R)
• M11: 6,066,942 km (0.072 R)
• M12: 6,572,433 km (0.052 R)
• M13: 7,493,657 km (0.09 R)
• M14: 8,552,959 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.8

Radius: 10.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.15 AU - 2.33 AU

Year: 2274 Days

Day: 7.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,119,855 km

• M1: 128,205 km (0.062 R)
• M2: 701,016 km (0.035 R)
• M3: 1,022,950 km (0.095 R)
• M4: 1,693,448 km (0.088 R)
• M5: 2,127,581 km (0.084 R)
• M6: 2,529,999 km (0.109 R)
• M7: 3,504,330 km (0.109 R)
• M8: 4,085,518 km (0.027 R)
• M9: 4,658,926 km (0.12 R)
• M10: 6,050,486 km (0.088 R)
• M11: 7,676,316 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.7

Radius: 14.6

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.22 AU - 2.36 AU

Year: 2350 Days

Day: 6.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,119,855 km

• M1: 183,856 km (0.071 R)
• M2: 679,474 km (0.06 R)
• M3: 1,622,539 km (0.097 R)
• M4: 2,301,563 km (0.096 R)
• M5: 6,069,634 km (0.103 R)
• M6: 6,556,725 km (0.1 R)
• M7: 7,149,282 km (0.115 R)
• M8: 7,637,719 km (0.079 R)
• M9: 9,786,693 km (0.076 R)
• M10: 10,254,186 km (0.084 R)
• M11: 11,054,535 km (0.086 R)
• M12: 11,933,721 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 860.2

Radius: 6.2

Gravity: 22.38 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 5.77 AU - 6.35 AU

Year: 10118 Days

Day: 15.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,119,855 km

• M1: 77,193 km (0.048 R)
• M2: 380,577 km (0.116 R)
• M3: 623,674 km (0.107 R)
• M4: 1,482,216 km (0.113 R)
• M5: 1,719,328 km (0.057 R)
• M6: 2,445,028 km (0.111 R)
• M7: 3,559,981 km (0.034 R)
• M8: 3,878,026 km (0.11 R)
• M9: 4,632,298 km (0.114 R)
• M10: 7,522,080 km (0.073 R)
• M11: 9,970,848 km (0.089 R)
• M12: 14,435,447 km (0.1 R)
• M13: 17,173,686 km (0.082 R)
• M14: 20,405,898 km (0.087 R)
• M15: 20,995,612 km (0.081 R)
• M16: 21,509,930 km (0.119 R)
• M17: 22,653,157 km (0.043 R)
• M18: 23,468,016 km (0.075 R)
• M19: 28,771,859 km (0.048 R)
• M20: 35,181,230 km (0.043 R)
• M21: 48,017,177 km (0.099 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: 185 - 11,504 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit