🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.59 AU - 0.85 AU

Year: 228 Days

Day: 39.3 Hours

Environment

Temp: 144 °C

Axial Tilt: 5.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 85,931,168 km

• M1: 19,298 km (0.081 R)
• M2: 98,286 km (0.105 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.89 AU - 1.31 AU

Year: 430 Days

Day: 18.4 Hours

Environment

Temp: -0 °C

Axial Tilt: 26.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.54 AU - 1.92 AU

Year: 848 Days

Day: 30.3 Hours

Environment

Temp: -64 °C

Axial Tilt: 9.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 85,931,168 km

• M1: 45,627 km (0.088 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.33 AU - 5.23 AU

Year: 3301 Days

Day: 20.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 45.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.9

Radius: 14.3

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 6.22 AU - 7.4 AU

Year: 6625 Days

Day: 10.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 85,931,168 km

• M1: 178,021 km (0.09 R)
• M2: 942,467 km (0.039 R)
• M3: 1,648,269 km (0.098 R)
• M4: 2,545,557 km (0.113 R)
• M5: 3,044,616 km (0.096 R)
• M6: 4,560,940 km (0.087 R)
• M7: 5,125,821 km (0.07 R)
• M8: 6,362,996 km (0.117 R)
• M9: 13,412,197 km (0.096 R)
• M10: 15,308,649 km (0.051 R)
• M11: 19,554,985 km (0.084 R)
• M12: 20,219,648 km (0.097 R)
• M13: 30,683,570 km (0.093 R)
• M14: 35,568,390 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.8

Radius: 13.7

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 8.26 AU - 11.78 AU

Year: 11824 Days

Day: 14.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 85,931,168 km

• M1: 170,691 km (0.111 R)
• M2: 794,664 km (0.088 R)
• M3: 1,763,011 km (0.073 R)
• M4: 2,760,380 km (0.086 R)
• M5: 4,354,794 km (0.112 R)
• M6: 4,856,396 km (0.036 R)
• M7: 5,396,594 km (0.052 R)
• M8: 6,700,339 km (0.105 R)
• M9: 7,555,740 km (0.109 R)
• M10: 8,165,650 km (0.084 R)
• M11: 9,746,600 km (0.117 R)
• M12: 10,892,670 km (0.086 R)
• M13: 14,696,644 km (0.105 R)
• M14: 17,875,001 km (0.086 R)
• M15: 19,378,160 km (0.057 R)
• M16: 20,596,186 km (0.081 R)
• M17: 25,221,453 km (0.096 R)
• M18: 28,179,302 km (0.106 R)
• M19: 30,117,791 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.9

Radius: 12.2

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 10.73 AU - 11.47 AU

Year: 13786 Days

Day: 12.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 85,931,168 km

• M1: 151,991 km (0.091 R)
• M2: 1,509,443 km (0.111 R)
• M3: 2,063,403 km (0.048 R)
• M4: 2,447,122 km (0.062 R)
• M5: 2,966,975 km (0.04 R)
• M6: 4,374,840 km (0.1 R)
• M7: 5,016,465 km (0.082 R)
• M8: 5,719,875 km (0.069 R)
• M9: 9,356,150 km (0.109 R)
• M10: 9,854,461 km (0.031 R)
• M11: 11,911,880 km (0.111 R)
• M12: 12,438,465 km (0.064 R)
• M13: 14,371,867 km (0.079 R)
• M14: 16,283,579 km (0.113 R)
• M15: 19,301,267 km (0.118 R)
• M16: 21,795,961 km (0.072 R)
• M17: 26,027,786 km (0.082 R)
• M18: 27,721,383 km (0.1 R)
• M19: 28,960,203 km (0.058 R)
• M20: 29,913,441 km (0.082 R)
• M21: 39,712,700 km (0.084 R)
• M22: 45,543,127 km (0.048 R)
• M23: 46,543,338 km (0.053 R)
• M24: 48,884,395 km (0.056 R)
• M25: 49,932,927 km (0.118 R)
• M26: 50,690,939 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 567

Radius: 5.4

Gravity: 19.44 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 15.07 AU - 19.15 AU

Year: 26383 Days

Day: 22.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 85,931,168 km

• M1: 68,366 km (0.089 R)
• M2: 543,339 km (0.093 R)
• M3: 839,842 km (0.08 R)
• M4: 1,071,570 km (0.099 R)
• M5: 1,457,682 km (0.096 R)
• M6: 2,408,675 km (0.06 R)
• M7: 2,907,135 km (0.073 R)
• M8: 3,237,747 km (0.105 R)
• M9: 3,501,787 km (0.103 R)
• M10: 3,844,067 km (0.047 R)
• M11: 4,704,703 km (0.1 R)
• M12: 5,729,000 km (0.103 R)
• M13: 6,705,126 km (0.108 R)
• M14: 8,700,313 km (0.088 R)
• M15: 12,634,438 km (0.047 R)
• M16: 18,893,313 km (0.092 R)
• M17: 20,235,356 km (0.046 R)
• M18: 22,365,480 km (0.114 R)
• M19: 25,090,854 km (0.094 R)
• M20: 26,709,802 km (0.075 R)
• M21: 28,643,803 km (0.113 R)
• M22: 29,518,502 km (0.057 R)
• M23: 29,771,622 km (0.105 R)
• M24: 30,928,911 km (0.051 R)
• M25: 38,810,475 km (0.07 R)
• M26: 40,190,366 km (0.068 R)
• M27: 41,761,592 km (0.069 R)
• M28: 43,210,447 km (0.113 R)
• M29: 46,037,698 km (0.1 R)
• M30: 54,111,943 km (0.096 R)
• M31: 57,392,326 km (0.118 R)
• M32: 58,980,905 km (0.116 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: 381 - 18,733 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit