🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.86 AU - 1.02 AU

Year: 345 Days

Day: 28.5 Hours

Environment

Temp: 23 °C

Axial Tilt: 12.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.96 AU - 1.44 AU

Year: 498 Days

Day: 35.2 Hours

Environment

Temp: -4 °C

Axial Tilt: 0.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.15 AU - 1.59 AU

Year: 607 Days

Day: 28 Hours

Environment

Temp: -33 °C

Axial Tilt: 47.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.22 AU - 2.44 AU

Year: 1347 Days

Day: 21 Hours

Environment

Temp: -82 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 3.71 AU - 4.41 AU

Year: 3098 Days

Day: 16.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 8.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,113,815 km

• M1: 1,242,560 km (0.074 R)

Asteroid Belt

Center: 4.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.6

Radius: 12.8

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 5.01 AU - 5.73 AU

Year: 4713 Days

Day: 8.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,113,815 km

• M1: 159,322 km (0.105 R)
• M2: 2,075,970 km (0.067 R)
• M3: 2,525,062 km (0.098 R)
• M4: 2,982,832 km (0.069 R)
• M5: 3,644,503 km (0.039 R)
• M6: 4,426,601 km (0.076 R)
• M7: 6,200,383 km (0.082 R)
• M8: 7,075,979 km (0.1 R)
• M9: 7,668,536 km (0.043 R)
• M10: 8,834,502 km (0.109 R)
• M11: 9,357,347 km (0.07 R)
• M12: 10,115,210 km (0.094 R)
• M13: 10,553,831 km (0.104 R)
• M14: 10,959,241 km (0.095 R)
• M15: 11,563,467 km (0.071 R)
• M16: 13,197,375 km (0.092 R)
• M17: 14,980,432 km (0.099 R)
• M18: 15,609,042 km (0.084 R)
• M19: 17,916,888 km (0.045 R)
• M20: 18,430,308 km (0.103 R)
• M21: 20,029,809 km (0.091 R)
• M22: 21,575,603 km (0.094 R)
• M23: 25,062,730 km (0.103 R)
• M24: 28,127,541 km (0.113 R)
• M25: 29,973,878 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.4

Radius: 9.1

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 5.34 AU - 7.1 AU

Year: 5875 Days

Day: 5.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,113,815 km

• M1: 113,246 km (0.101 R)
• M2: 706,850 km (0.057 R)
• M3: 1,037,012 km (0.075 R)
• M4: 1,449,155 km (0.12 R)
• M5: 1,808,489 km (0.108 R)
• M6: 2,364,993 km (0.119 R)
• M7: 3,299,531 km (0.111 R)
• M8: 4,414,184 km (0.12 R)
• M9: 4,939,871 km (0.07 R)
• M10: 6,267,702 km (0.056 R)
• M11: 8,143,061 km (0.044 R)
• M12: 10,933,959 km (0.057 R)
• M13: 11,569,451 km (0.1 R)
• M14: 12,133,584 km (0.104 R)
• M15: 13,779,759 km (0.114 R)
• M16: 15,344,702 km (0.094 R)
• M17: 15,796,638 km (0.091 R)
• M18: 18,953,003 km (0.088 R)
• M19: 19,670,923 km (0.105 R)
• M20: 24,901,613 km (0.091 R)
• M21: 26,886,926 km (0.102 R)
• M22: 27,709,864 km (0.046 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 446.1

Radius: 7.8

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 13.97 AU - 16.81 AU

Year: 22867 Days

Day: 20.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,113,815 km

• M1: 97,837 km (0.119 R)
• M2: 509,979 km (0.118 R)
• M3: 1,195,437 km (0.038 R)
• M4: 1,530,386 km (0.033 R)
• M5: 3,686,092 km (0.087 R)
• M6: 4,671,642 km (0.113 R)
• M7: 5,244,303 km (0.094 R)
• M8: 5,862,890 km (0.065 R)
• M9: 6,358,059 km (0.108 R)
• M10: 6,659,499 km (0.059 R)
• M11: 7,106,796 km (0.109 R)
• M12: 7,573,991 km (0.077 R)
• M13: 7,962,347 km (0.103 R)
• M14: 8,517,953 km (0.118 R)
• M15: 10,048,938 km (0.098 R)
• M16: 11,374,225 km (0.082 R)
• M17: 12,812,160 km (0.108 R)
• M18: 14,441,131 km (0.113 R)
• M19: 15,343,655 km (0.063 R)
• M20: 16,604,765 km (0.103 R)
• M21: 21,085,221 km (0.034 R)
• M22: 25,224,595 km (0.108 R)
• M23: 27,540,968 km (0.113 R)
• M24: 30,722,765 km (0.069 R)
• M25: 34,404,369 km (0.103 R)
• M26: 34,668,559 km (0.032 R)
• M27: 39,950,261 km (0.107 R)
• M28: 43,702,924 km (0.042 R)
• M29: 45,903,658 km (0.116 R)
• M30: 52,073,972 km (0.071 R)
• M31: 52,422,385 km (0.047 R)
• M32: 53,831,747 km (0.086 R)
• M33: 64,412,056 km (0.077 R)
• M34: 65,419,149 km (0.056 R)
• M35: 66,028,311 km (0.102 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 319 - 17,316 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit