🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.7

Radius: 13

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.79 AU - 1.03 AU

Year: 599 Days

Day: 14.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 95,168,340 km

• M1: 161,715 km (0.047 R)
• M2: 601,234 km (0.077 R)
• M3: 1,016,069 km (0.05 R)
• M4: 1,447,210 km (0.054 R)
• M5: 2,076,568 km (0.117 R)
• M6: 2,678,101 km (0.119 R)
• M7: 3,595,286 km (0.058 R)
• M8: 4,516,360 km (0.107 R)
• M9: 5,834,467 km (0.098 R)
• M10: 6,346,839 km (0.066 R)
• M11: 6,803,861 km (0.094 R)
• M12: 7,462,391 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.6

Radius: 11.5

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.88 AU - 1.46 AU

Year: 874 Days

Day: 7.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 95,168,340 km

• M1: 143,165 km (0.106 R)
• M2: 530,773 km (0.051 R)
• M3: 1,196,185 km (0.104 R)
• M4: 1,583,194 km (0.119 R)
• M5: 2,751,853 km (0.109 R)
• M6: 3,286,067 km (0.115 R)
• M7: 4,143,263 km (0.048 R)
• M8: 4,829,618 km (0.071 R)
• M9: 5,200,471 km (0.117 R)
• M10: 6,041,660 km (0.112 R)
• M11: 6,878,959 km (0.077 R)
• M12: 7,325,808 km (0.085 R)
• M13: 9,538,659 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.4

Radius: 15

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.15 AU - 1.65 AU

Year: 1143 Days

Day: 11.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 95,168,340 km

• M1: 186,549 km (0.078 R)
• M2: 678,127 km (0.116 R)
• M3: 1,148,014 km (0.03 R)
• M4: 1,885,980 km (0.062 R)
• M5: 2,709,816 km (0.108 R)
• M6: 3,280,233 km (0.116 R)
• M7: 3,854,539 km (0.098 R)
• M8: 4,860,435 km (0.117 R)
• M9: 5,650,461 km (0.11 R)
• M10: 6,287,449 km (0.073 R)
• M11: 7,392,229 km (0.091 R)
• M12: 8,361,025 km (0.113 R)
• M13: 9,273,572 km (0.027 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771

Radius: 13

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.47 AU - 2.13 AU

Year: 1667 Days

Day: 8.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 95,168,340 km

• M1: 161,715 km (0.06 R)
• M2: 733,478 km (0.078 R)
• M3: 2,360,804 km (0.037 R)
• M4: 2,813,637 km (0.094 R)
• M5: 3,670,982 km (0.115 R)
• M6: 4,984,900 km (0.055 R)
• M7: 6,191,407 km (0.114 R)
• M8: 7,782,530 km (0.082 R)
• M9: 8,612,050 km (0.078 R)
• M10: 9,144,020 km (0.087 R)
• M11: 9,598,349 km (0.058 R)
• M12: 10,729,758 km (0.112 R)
• M13: 11,199,046 km (0.104 R)
• M14: 11,947,933 km (0.056 R)
• M15: 13,011,574 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.1

Radius: 10.9

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3 AU - 4.66 AU

Year: 5174 Days

Day: 9.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 95,168,340 km

• M1: 135,984 km (0.039 R)
• M2: 528,828 km (0.045 R)
• M3: 910,453 km (0.057 R)
• M4: 1,292,376 km (0.101 R)
• M5: 1,935,796 km (0.068 R)
• M6: 2,394,912 km (0.105 R)
• M7: 3,299,231 km (0.102 R)
• M8: 4,060,086 km (0.101 R)
• M9: 4,727,293 km (0.103 R)
• M10: 6,876,117 km (0.091 R)
• M11: 8,017,847 km (0.097 R)
• M12: 8,823,432 km (0.093 R)
• M13: 10,753,245 km (0.109 R)
• M14: 11,276,538 km (0.114 R)
• M15: 11,901,558 km (0.077 R)
• M16: 12,330,904 km (0.114 R)
• M17: 13,403,820 km (0.095 R)
• M18: 15,429,375 km (0.086 R)
• M19: 16,834,697 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 736.6

Radius: 7.9

Gravity: 11.8 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 5.23 AU - 8.47 AU

Year: 12375 Days

Day: 20.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 95,168,340 km

• M1: 100,530 km (0.112 R)
• M2: 467,793 km (0.106 R)
• M3: 1,338,602 km (0.114 R)
• M4: 2,459,090 km (0.093 R)
• M5: 3,660,660 km (0.118 R)
• M6: 3,992,618 km (0.105 R)
• M7: 5,420,828 km (0.104 R)
• M8: 7,505,924 km (0.03 R)
• M9: 13,695,835 km (0.068 R)
• M10: 16,122,761 km (0.08 R)
• M11: 18,660,838 km (0.116 R)
• M12: 19,982,236 km (0.041 R)
• M13: 32,994,858 km (0.114 R)
• M14: 45,695,567 km (0.099 R)
• M15: 48,544,659 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 522.3

Radius: 4.5

Gravity: 25.79 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 8.34 AU - 10.54 AU

Year: 20020 Days

Day: 16.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 95,168,340 km

• M1: 57,894 km (0.119 R)
• M2: 330,163 km (0.077 R)
• M3: 1,970,354 km (0.068 R)
• M4: 7,180,249 km (0.114 R)
• M5: 7,457,903 km (0.072 R)
• M6: 7,985,235 km (0.08 R)
• M7: 9,660,582 km (0.102 R)
• M8: 11,809,854 km (0.112 R)
• M9: 13,687,158 km (0.066 R)
• M10: 16,540,588 km (0.025 R)
• M11: 18,105,531 km (0.062 R)
• M12: 18,361,493 km (0.112 R)
• M13: 20,220,097 km (0.041 R)
• M14: 21,910,104 km (0.084 R)
• M15: 26,432,747 km (0.071 R)
• M16: 33,038,989 km (0.091 R)
• M17: 39,940,986 km (0.106 R)
• M18: 45,666,545 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 961

Radius: 6.4

Gravity: 23.46 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 9.64 AU - 11.44 AU

Year: 23620 Days

Day: 19.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 95,168,340 km

• M1: 79,736 km (0.092 R)
• M2: 303,235 km (0.071 R)
• M3: 580,589 km (0.078 R)
• M4: 817,702 km (0.111 R)
• M5: 1,092,064 km (0.086 R)
• M6: 3,137,367 km (0.117 R)
• M7: 4,741,654 km (0.066 R)
• M8: 5,720,174 km (0.101 R)
• M9: 5,939,933 km (0.116 R)
• M10: 7,745,729 km (0.106 R)
• M11: 11,198,298 km (0.063 R)
• M12: 11,682,696 km (0.113 R)
• M13: 14,156,147 km (0.055 R)
• M14: 14,969,661 km (0.083 R)
• M15: 16,689,438 km (0.099 R)
• M16: 17,139,129 km (0.116 R)
• M17: 17,412,743 km (0.087 R)
• M18: 19,410,922 km (0.095 R)
• M19: 20,618,775 km (0.034 R)
• M20: 20,928,443 km (0.081 R)
• M21: 22,851,673 km (0.112 R)
• M22: 23,406,232 km (0.114 R)
• M23: 33,257,402 km (0.092 R)
• M24: 39,082,444 km (0.105 R)
• M25: 43,153,301 km (0.05 R)
• M26: 45,377,971 km (0.12 R)
• M27: 49,498,943 km (0.111 R)
• M28: 57,248,113 km (0.117 R)
• M29: 58,889,202 km (0.106 R)
• M30: 60,350,623 km (0.102 R)
• M31: 68,479,173 km (0.106 R)
• M32: 69,399,350 km (0.113 R)
• M33: 70,094,830 km (0.076 R)
• M34: 74,124,099 km (0.054 R)
• M35: 82,640,407 km (0.084 R)
• M36: 84,471,186 km (0.089 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: 251 - 17,908 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit