🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.01 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.73 AU - 2.29 AU

Year: 1097 Days

Day: 35.4 Hours

Environment

Temp: -87 °C

Axial Tilt: 1.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 64,572,970 km

• M1: 135,236 km (0.12 R)
• M2: 932,144 km (0.096 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.81 AU - 2.27 AU

Year: 1122 Days

Day: 43.5 Hours

Environment

Temp: -96 °C

Axial Tilt: 69.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.21 AU - 4.27 AU

Year: 2785 Days

Day: 14.8 Hours

Environment

Temp: -123 °C

Axial Tilt: 23.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,572,970 km

• M1: 33,660 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.6

Radius: 14.6

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.2 AU - 4.84 AU

Year: 3700 Days

Day: 6.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,572,970 km

• M1: 181,612 km (0.076 R)
• M2: 652,845 km (0.064 R)
• M3: 1,265,149 km (0.115 R)
• M4: 1,766,751 km (0.067 R)
• M5: 2,403,290 km (0.12 R)
• M6: 3,273,501 km (0.095 R)
• M7: 3,951,777 km (0.077 R)
• M8: 4,594,450 km (0.084 R)
• M9: 6,014,283 km (0.116 R)
• M10: 7,179,501 km (0.101 R)
• M11: 8,140,667 km (0.059 R)
• M12: 8,751,027 km (0.1 R)
• M13: 10,136,303 km (0.088 R)
• M14: 13,470,989 km (0.077 R)
• M15: 14,007,297 km (0.056 R)
• M16: 14,557,818 km (0.09 R)
• M17: 16,957,367 km (0.062 R)
• M18: 17,955,335 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.5

Radius: 9.6

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 8.58 AU - 10.04 AU

Year: 10937 Days

Day: 11.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,572,970 km

• M1: 119,379 km (0.093 R)
• M2: 475,123 km (0.111 R)
• M3: 808,876 km (0.027 R)
• M4: 1,113,457 km (0.086 R)
• M5: 1,419,684 km (0.106 R)
• M6: 1,847,534 km (0.034 R)
• M7: 2,194,002 km (0.065 R)
• M8: 3,973,619 km (0.063 R)
• M9: 5,749,046 km (0.12 R)
• M10: 7,038,879 km (0.082 R)
• M11: 10,651,668 km (0.108 R)
• M12: 11,181,992 km (0.083 R)
• M13: 13,633,901 km (0.11 R)
• M14: 14,312,178 km (0.102 R)
• M15: 17,493,377 km (0.065 R)
• M16: 22,381,487 km (0.09 R)
• M17: 23,178,245 km (0.102 R)
• M18: 24,370,690 km (0.086 R)
• M19: 27,039,666 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.9

Radius: 13.1

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 7.83 AU - 11.07 AU

Year: 11185 Days

Day: 6.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,572,970 km

• M1: 164,707 km (0.087 R)
• M2: 622,327 km (0.067 R)
• M3: 1,846,038 km (0.081 R)
• M4: 2,392,668 km (0.104 R)
• M5: 2,872,578 km (0.099 R)
• M6: 4,570,813 km (0.117 R)
• M7: 7,943,946 km (0.04 R)
• M8: 11,209,069 km (0.081 R)
• M9: 15,603,656 km (0.107 R)
• M10: 17,292,766 km (0.116 R)
• M11: 21,231,977 km (0.09 R)
• M12: 24,167,835 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.8

Radius: 12.2

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 8.09 AU - 12.39 AU

Year: 12616 Days

Day: 8 Hours

Environment

Temp: -190 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,572,970 km

• M1: 161,117 km (0.084 R)
• M2: 1,620,295 km (0.105 R)
• M3: 2,084,946 km (0.106 R)
• M4: 3,266,320 km (0.073 R)
• M5: 5,123,278 km (0.076 R)
• M6: 6,104,042 km (0.114 R)
• M7: 11,522,028 km (0.105 R)
• M8: 12,566,670 km (0.026 R)
• M9: 14,467,460 km (0.106 R)
• M10: 15,227,418 km (0.064 R)
• M11: 21,312,610 km (0.07 R)
• M12: 22,296,665 km (0.053 R)
• M13: 26,538,064 km (0.086 R)
• M14: 28,552,100 km (0.076 R)
• M15: 29,245,636 km (0.089 R)
• M16: 37,396,476 km (0.092 R)
• M17: 37,869,504 km (0.066 R)
• M18: 43,208,802 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.5

Radius: 11.2

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 8.63 AU - 13.87 AU

Year: 14528 Days

Day: 5.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,572,970 km

• M1: 139,575 km (0.098 R)
• M2: 1,245,851 km (0.079 R)
• M3: 1,913,955 km (0.106 R)
• M4: 2,583,406 km (0.093 R)
• M5: 3,403,052 km (0.076 R)
• M6: 5,050,723 km (0.099 R)
• M7: 6,248,853 km (0.113 R)
• M8: 6,701,685 km (0.103 R)
• M9: 7,220,640 km (0.11 R)
• M10: 8,049,413 km (0.107 R)
• M11: 10,061,504 km (0.053 R)
• M12: 12,711,032 km (0.061 R)
• M13: 16,481,945 km (0.113 R)
• M14: 17,752,779 km (0.064 R)
• M15: 18,663,681 km (0.115 R)
• M16: 20,578,533 km (0.066 R)
• M17: 22,334,962 km (0.116 R)
• M18: 23,691,516 km (0.113 R)
• M19: 24,999,599 km (0.105 R)
• M20: 29,326,718 km (0.057 R)
• M21: 30,016,214 km (0.068 R)
• M22: 30,716,482 km (0.111 R)
• M23: 35,019,964 km (0.12 R)
• M24: 38,877,495 km (0.099 R)
• M25: 44,499,682 km (0.09 R)
• M26: 49,499,392 km (0.061 R)
• M27: 50,476,865 km (0.06 R)
• M28: 56,790,493 km (0.112 R)
• M29: 60,598,357 km (0.11 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: 266 - 13,580 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit