🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.53 AU - 0.77 AU

Year: 236 Days

Day: 35.6 Hours

Environment

Temp: -15 °C

Axial Tilt: 39.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.75 AU - 0.91 AU

Year: 340 Days

Day: 20.4 Hours

Environment

Temp: -54 °C

Axial Tilt: 16.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.8 AU - 0.94 AU

Year: 365 Days

Day: 18.5 Hours

Environment

Temp: -64 °C

Axial Tilt: 2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.83 AU - 2.17 AU

Year: 1272 Days

Day: 41.2 Hours

Environment

Temp: -137 °C

Axial Tilt: 1.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,243,555 km

• M1: 507,137 km (0.068 R)

Asteroid Belt

Center: 3.45 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.7

Radius: 14

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.2 AU - 5.6 AU

Year: 4877 Days

Day: 14.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,243,555 km

• M1: 179,966 km (0.106 R)
• M2: 834,607 km (0.091 R)
• M3: 1,475,185 km (0.117 R)
• M4: 2,235,291 km (0.058 R)
• M5: 2,698,297 km (0.093 R)
• M6: 3,206,481 km (0.077 R)
• M7: 3,692,973 km (0.106 R)
• M8: 4,664,761 km (0.116 R)
• M9: 6,066,792 km (0.101 R)
• M10: 6,687,623 km (0.079 R)
• M11: 7,592,990 km (0.043 R)
• M12: 8,203,798 km (0.063 R)
• M13: 8,692,983 km (0.076 R)
• M14: 10,279,019 km (0.063 R)
• M15: 11,812,547 km (0.105 R)
• M16: 13,237,168 km (0.105 R)
• M17: 14,017,620 km (0.096 R)
• M18: 15,900,458 km (0.072 R)
• M19: 19,559,473 km (0.105 R)
• M20: 24,665,398 km (0.102 R)
• M21: 27,150,218 km (0.062 R)
• M22: 28,325,310 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.8

Radius: 14

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 6.26 AU - 8.34 AU

Year: 8868 Days

Day: 6.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,243,555 km

• M1: 174,132 km (0.086 R)
• M2: 648,357 km (0.089 R)
• M3: 1,105,229 km (0.1 R)
• M4: 1,541,756 km (0.046 R)
• M5: 2,351,679 km (0.059 R)
• M6: 2,947,976 km (0.118 R)
• M7: 4,229,880 km (0.115 R)
• M8: 4,937,478 km (0.041 R)
• M9: 6,553,883 km (0.105 R)
• M10: 7,623,657 km (0.106 R)
• M11: 11,429,577 km (0.096 R)
• M12: 14,043,949 km (0.05 R)
• M13: 14,849,833 km (0.119 R)
• M14: 16,016,546 km (0.109 R)
• M15: 16,896,481 km (0.119 R)
• M16: 20,821,032 km (0.067 R)
• M17: 23,896,614 km (0.115 R)
• M18: 24,956,066 km (0.094 R)
• M19: 27,358,758 km (0.091 R)
• M20: 31,142,238 km (0.098 R)
• M21: 32,512,853 km (0.106 R)
• M22: 35,715,145 km (0.12 R)
• M23: 41,091,543 km (0.12 R)
• M24: 41,847,012 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.2

Radius: 9

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 6.78 AU - 8.62 AU

Year: 9606 Days

Day: 6.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,243,555 km

• M1: 112,498 km (0.12 R)
• M2: 515,065 km (0.08 R)
• M3: 1,435,392 km (0.116 R)
• M4: 5,003,002 km (0.066 R)
• M5: 7,445,636 km (0.1 R)
• M6: 9,005,792 km (0.045 R)
• M7: 9,741,963 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 936

Radius: 5.5

Gravity: 30.94 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 7.68 AU - 12.02 AU

Year: 13899 Days

Day: 21.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 66,243,555 km

• M1: 68,516 km (0.102 R)
• M2: 467,344 km (0.048 R)
• M3: 792,420 km (0.1 R)
• M4: 1,649,167 km (0.105 R)
• M5: 1,855,163 km (0.066 R)
• M6: 2,403,589 km (0.067 R)
• M7: 2,601,058 km (0.107 R)
• M8: 3,393,329 km (0.109 R)
• M9: 4,696,326 km (0.09 R)
• M10: 4,901,425 km (0.111 R)
• M11: 5,366,524 km (0.054 R)
• M12: 7,295,739 km (0.087 R)
• M13: 8,340,231 km (0.085 R)
• M14: 8,641,671 km (0.079 R)
• M15: 9,480,915 km (0.097 R)
• M16: 9,753,931 km (0.094 R)
• M17: 10,604,843 km (0.052 R)
• M18: 11,320,220 km (0.079 R)
• M19: 12,714,622 km (0.068 R)
• M20: 13,937,734 km (0.109 R)
• M21: 15,916,166 km (0.093 R)
• M22: 17,012,419 km (0.1 R)
• M23: 21,902,175 km (0.069 R)
• M24: 22,475,883 km (0.095 R)
• M25: 25,182,109 km (0.1 R)
• M26: 25,390,798 km (0.102 R)
• M27: 25,600,684 km (0.077 R)
• M28: 32,571,645 km (0.031 R)
• M29: 32,819,379 km (0.119 R)
• M30: 34,847,328 km (0.048 R)
• M31: 40,137,109 km (0.093 R)
• M32: 41,429,634 km (0.087 R)
• M33: 41,720,602 km (0.094 R)
• M34: 45,782,633 km (0.105 R)
• M35: 48,149,421 km (0.099 R)
• M36: 51,095,751 km (0.072 R)
• M37: 55,208,047 km (0.094 R)
• M38: 56,805,303 km (0.061 R)
• M39: 56,984,671 km (0.098 R)
• M40: 63,117,735 km (0.072 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 300 - 13,945 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit