🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.6

Radius: 14

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.6 AU - 0.8 AU

Year: 404 Days

Day: 6.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 95.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 19,130,682 km

• M1: 176,077 km (0.079 R)
• M2: 755,619 km (0.077 R)
• M3: 1,260,512 km (0.079 R)
• M4: 1,769,892 km (0.076 R)
• M5: 2,276,431 km (0.086 R)
• M6: 2,983,879 km (0.066 R)
• M7: 3,625,654 km (0.113 R)
• M8: 4,090,604 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.9

Radius: 8.4

Gravity: 13.21 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.87 AU - 1.17 AU

Year: 711 Days

Day: 6.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 19,130,682 km

• M1: 104,569 km (0.11 R)
• M2: 626,815 km (0.1 R)
• M3: 914,791 km (0.098 R)
• M4: 1,386,174 km (0.103 R)
• M5: 1,853,667 km (0.083 R)
• M6: 2,888,286 km (0.078 R)
• M7: 3,426,090 km (0.094 R)
• M8: 3,726,633 km (0.067 R)
• M9: 4,029,119 km (0.102 R)
• M10: 4,649,502 km (0.109 R)
• M11: 4,929,100 km (0.098 R)
• M12: 5,560,852 km (0.045 R)
• M13: 5,896,400 km (0.112 R)
• M14: 6,162,086 km (0.047 R)
• M15: 6,608,336 km (0.069 R)
• M16: 7,306,210 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.1

Radius: 8.7

Gravity: 11.05 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.15 AU - 3.31 AU

Year: 3114 Days

Day: 10.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 19,130,682 km

• M1: 108,309 km (0.039 R)
• M2: 679,474 km (0.116 R)
• M3: 1,053,468 km (0.107 R)
• M4: 1,413,849 km (0.076 R)
• M5: 2,271,344 km (0.054 R)
• M6: 3,018,586 km (0.045 R)
• M7: 3,796,644 km (0.06 R)
• M8: 4,091,053 km (0.059 R)
• M9: 4,870,159 km (0.077 R)
• M10: 5,269,585 km (0.089 R)
• M11: 7,280,180 km (0.087 R)
• M12: 10,969,413 km (0.106 R)
• M13: 12,236,657 km (0.077 R)
• M14: 14,800,166 km (0.114 R)
• M15: 15,962,242 km (0.069 R)
• M16: 16,234,660 km (0.114 R)
• M17: 18,052,274 km (0.086 R)
• M18: 18,949,263 km (0.119 R)
• M19: 19,875,723 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.8

Radius: 9.8

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.87 AU - 4.03 AU

Year: 4423 Days

Day: 12 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 19,130,682 km

• M1: 131,796 km (0.099 R)
• M2: 911,949 km (0.03 R)
• M3: 1,322,744 km (0.074 R)
• M4: 2,076,718 km (0.081 R)
• M5: 3,479,646 km (0.117 R)
• M6: 3,928,141 km (0.117 R)
• M7: 4,887,063 km (0.103 R)
• M8: 7,920,908 km (0.087 R)
• M9: 9,135,044 km (0.056 R)
• M10: 9,528,038 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.2

Radius: 8.2

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.49 AU - 3.63 AU

Year: 4636 Days

Day: 12.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 19,130,682 km

• M1: 102,175 km (0.112 R)
• M2: 1,064,389 km (0.028 R)
• M3: 1,825,842 km (0.111 R)
• M4: 2,193,254 km (0.115 R)
• M5: 2,717,445 km (0.104 R)
• M6: 3,913,480 km (0.108 R)
• M7: 4,730,733 km (0.112 R)
• M8: 5,131,357 km (0.067 R)
• M9: 5,452,842 km (0.1 R)
• M10: 5,866,929 km (0.082 R)
• M11: 6,699,741 km (0.049 R)
• M12: 7,054,288 km (0.09 R)
• M13: 7,832,945 km (0.117 R)
• M14: 8,598,886 km (0.098 R)
• M15: 10,992,601 km (0.074 R)
• M16: 12,875,290 km (0.09 R)
• M17: 13,704,063 km (0.095 R)
• M18: 15,063,309 km (0.086 R)
• M19: 15,672,621 km (0.099 R)
• M20: 19,026,306 km (0.103 R)
• M21: 19,439,346 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 108.7

Radius: 3.3

Gravity: 9.98 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 5.06 AU - 7.4 AU

Year: 10734 Days

Day: 21.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 19,130,682 km

• M1: 109,356 km (0.098 R)
• M2: 311,014 km (0.106 R)
• M3: 569,818 km (0.057 R)
• M4: 1,845,589 km (0.116 R)
• M5: 2,354,970 km (0.082 R)
• M6: 2,549,447 km (0.117 R)
• M7: 4,914,290 km (0.099 R)
• M8: 5,313,567 km (0.046 R)
• M9: 5,648,217 km (0.097 R)
• M10: 6,898,107 km (0.119 R)
• M11: 7,195,209 km (0.108 R)
• M12: 7,850,447 km (0.112 R)
• M13: 8,247,480 km (0.096 R)
• M14: 9,478,371 km (0.066 R)
• M15: 9,640,386 km (0.061 R)
• M16: 12,202,100 km (0.109 R)
• M17: 12,345,714 km (0.1 R)
• M18: 12,685,301 km (0.088 R)
• M19: 13,792,924 km (0.119 R)
• M20: 17,682,768 km (0.051 R)
• M21: 18,489,250 km (0.07 R)
• M22: 21,539,700 km (0.086 R)
• M23: 21,749,586 km (0.118 R)
• M24: 22,031,428 km (0.119 R)
• M25: 26,879,895 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 135.4

Radius: 7.2

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 5.97 AU - 8.37 AU

Year: 13252 Days

Day: 17.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 19,130,682 km

• M1: 89,609 km (0.107 R)
• M2: 595,848 km (0.057 R)
• M3: 917,484 km (0.07 R)
• M4: 1,232,238 km (0.041 R)
• M5: 1,592,619 km (0.114 R)
• M6: 1,861,297 km (0.12 R)
• M7: 3,402,753 km (0.097 R)
• M8: 5,091,564 km (0.052 R)
• M9: 5,321,495 km (0.093 R)
• M10: 6,885,092 km (0.075 R)
• M11: 7,346,751 km (0.095 R)
• M12: 7,715,660 km (0.088 R)
• M13: 7,981,196 km (0.113 R)
• M14: 8,292,210 km (0.077 R)
• M15: 9,401,777 km (0.116 R)
• M16: 9,881,089 km (0.052 R)
• M17: 12,787,327 km (0.09 R)
• M18: 14,664,331 km (0.116 R)
• M19: 16,654,731 km (0.084 R)
• M20: 17,035,009 km (0.112 R)
• M21: 17,291,719 km (0.102 R)
• M22: 18,277,569 km (0.086 R)
• M23: 21,834,707 km (0.094 R)
• M24: 24,419,608 km (0.105 R)
• M25: 26,767,098 km (0.1 R)
• M26: 27,289,045 km (0.044 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 15.7

Radius: 6.2

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 7.65 AU - 9.05 AU

Year: 16655 Days

Day: 22.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 19,130,682 km

• M1: 78,389 km (0.036 R)
• M2: 371,302 km (0.064 R)
• M3: 2,318,767 km (0.115 R)
• M4: 4,010,270 km (0.065 R)
• M5: 4,275,507 km (0.106 R)
• M6: 6,336,367 km (0.085 R)
• M7: 7,188,776 km (0.069 R)
• M8: 8,980,659 km (0.04 R)
• M9: 10,932,313 km (0.114 R)
• M10: 11,451,119 km (0.114 R)
• M11: 15,852,288 km (0.043 R)
• M12: 18,120,192 km (0.111 R)
• M13: 18,676,995 km (0.106 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 16,790 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit