🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.6

Radius: 14.7

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.67 AU - 0.95 AU

Year: 486 Days

Day: 12.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,781,173 km

• M1: 182,809 km (0.118 R)
• M2: 740,061 km (0.111 R)
• M3: 1,262,606 km (0.095 R)
• M4: 2,325,648 km (0.047 R)
• M5: 2,974,754 km (0.091 R)
• M6: 3,530,061 km (0.118 R)
• M7: 4,086,266 km (0.095 R)
• M8: 4,760,952 km (0.11 R)
• M9: 5,229,942 km (0.089 R)
• M10: 5,833,719 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.3

Radius: 10.5

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.76 AU - 1.2 AU

Year: 647 Days

Day: 11.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,781,173 km

• M1: 130,599 km (0.074 R)
• M2: 465,698 km (0.111 R)
• M3: 924,964 km (0.048 R)
• M4: 1,639,892 km (0.079 R)
• M5: 2,832,187 km (0.118 R)
• M6: 3,253,454 km (0.117 R)
• M7: 4,102,123 km (0.078 R)
• M8: 4,472,079 km (0.073 R)
• M9: 4,924,463 km (0.097 R)
• M10: 5,635,352 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.1

Radius: 12.9

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.24 AU - 1.98 AU

Year: 1362 Days

Day: 5.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,781,173 km

• M1: 160,519 km (0.119 R)
• M2: 1,016,368 km (0.087 R)
• M3: 2,189,365 km (0.101 R)
• M4: 3,056,434 km (0.084 R)
• M5: 3,538,139 km (0.111 R)
• M6: 3,966,737 km (0.104 R)
• M7: 5,749,944 km (0.1 R)
• M8: 6,831,985 km (0.06 R)
• M9: 7,238,891 km (0.117 R)
• M10: 8,270,518 km (0.109 R)
• M11: 9,243,952 km (0.098 R)
• M12: 10,524,659 km (0.074 R)
• M13: 11,775,297 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.5

Radius: 9.9

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.39 AU - 2.13 AU

Year: 1557 Days

Day: 12.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,781,173 km

• M1: 123,119 km (0.088 R)
• M2: 447,896 km (0.109 R)
• M3: 846,425 km (0.096 R)
• M4: 1,191,397 km (0.109 R)
• M5: 1,823,748 km (0.119 R)
• M6: 2,537,928 km (0.106 R)
• M7: 2,867,342 km (0.106 R)
• M8: 3,275,296 km (0.057 R)
• M9: 4,514,714 km (0.071 R)
• M10: 6,473,100 km (0.092 R)
• M11: 6,882,250 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.4

Radius: 9.5

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.81 AU - 3.87 AU

Year: 4071 Days

Day: 8.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,781,173 km

• M1: 119,529 km (0.113 R)
• M2: 535,261 km (0.104 R)
• M3: 927,357 km (0.111 R)
• M4: 1,654,852 km (0.063 R)
• M5: 2,277,179 km (0.03 R)
• M6: 2,943,039 km (0.1 R)
• M7: 3,397,816 km (0.081 R)
• M8: 4,334,897 km (0.042 R)
• M9: 4,683,012 km (0.115 R)
• M10: 6,353,721 km (0.075 R)
• M11: 6,896,611 km (0.07 R)
• M12: 7,634,877 km (0.043 R)
• M13: 9,005,941 km (0.048 R)
• M14: 10,451,954 km (0.047 R)
• M15: 10,867,986 km (0.112 R)
• M16: 12,458,211 km (0.061 R)
• M17: 13,897,193 km (0.104 R)
• M18: 15,497,591 km (0.106 R)
• M19: 17,856,899 km (0.086 R)
• M20: 19,682,143 km (0.108 R)
• M21: 23,416,405 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.1

Radius: 11.3

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.78 AU - 6.06 AU

Year: 8415 Days

Day: 13.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,781,173 km

• M1: 140,472 km (0.115 R)
• M2: 712,684 km (0.111 R)
• M3: 1,529,937 km (0.089 R)
• M4: 1,986,660 km (0.092 R)
• M5: 4,717,419 km (0.084 R)
• M6: 7,171,572 km (0.093 R)
• M7: 8,017,548 km (0.12 R)
• M8: 8,758,058 km (0.066 R)
• M9: 12,130,891 km (0.04 R)
• M10: 15,400,802 km (0.071 R)
• M11: 22,723,468 km (0.051 R)
• M12: 24,883,362 km (0.094 R)
• M13: 25,749,533 km (0.109 R)
• M14: 28,188,278 km (0.12 R)
• M15: 34,898,191 km (0.093 R)
• M16: 36,644,896 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 72.6

Radius: 3.3

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 8.9 AU - 10.18 AU

Year: 19650 Days

Day: 16.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,781,173 km

• M1: 72,555 km (0.07 R)
• M2: 1,089,820 km (0.073 R)
• M3: 2,693,360 km (0.068 R)
• M4: 3,850,500 km (0.083 R)
• M5: 7,267,315 km (0.115 R)
• M6: 8,390,047 km (0.072 R)
• M7: 16,909,197 km (0.032 R)
• M8: 18,722,174 km (0.044 R)
• M9: 25,353,698 km (0.12 R)
• M10: 30,903,330 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 150.3

Radius: 6.7

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 9.53 AU - 10.15 AU

Year: 20584 Days

Day: 16.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,781,173 km

• M1: 91,105 km (0.112 R)
• M2: 885,320 km (0.062 R)
• M3: 1,108,371 km (0.108 R)
• M4: 1,918,742 km (0.116 R)
• M5: 3,162,499 km (0.083 R)
• M6: 5,410,805 km (0.095 R)
• M7: 5,644,776 km (0.094 R)
• M8: 7,980,448 km (0.09 R)
• M9: 9,053,962 km (0.107 R)
• M10: 9,480,316 km (0.101 R)
• M11: 11,429,577 km (0.105 R)
• M12: 11,649,186 km (0.101 R)
• M13: 14,191,303 km (0.116 R)
• M14: 16,032,105 km (0.115 R)
• M15: 17,224,250 km (0.092 R)
• M16: 17,513,273 km (0.116 R)
• M17: 18,399,341 km (0.056 R)
• M18: 18,929,815 km (0.113 R)
• M19: 24,534,649 km (0.115 R)
• M20: 25,736,967 km (0.077 R)
• M21: 27,662,591 km (0.102 R)
• M22: 29,579,089 km (0.108 R)
• M23: 30,728,151 km (0.078 R)
• M24: 34,467,649 km (0.088 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 19,867 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit