🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.43 AU - 0.69 AU

Year: 128 Days

Day: 38.9 Hours

Environment

Temp: 356 °C

Axial Tilt: 32.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.97 AU - 1.21 AU

Year: 349 Days

Day: 21.3 Hours

Environment

Temp: 165 °C

Axial Tilt: 10.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.49 AU - 1.69 AU

Year: 615 Days

Day: 18.7 Hours

Environment

Temp: 96 °C

Axial Tilt: 32.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 90,937,965 km

• M1: 418,425 km (0.098 R)
• M2: 456,423 km (0.044 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.73 AU - 1.91 AU

Year: 753 Days

Day: 24.4 Hours

Environment

Temp: 26 °C

Axial Tilt: 43.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 5.07 AU - 5.13 AU

Year: 3530 Days

Day: 21.5 Hours

Environment

Temp: -93 °C

Axial Tilt: 28.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.83 AU - 6.83 AU

Year: 4315 Days

Day: 30.1 Hours

Environment

Temp: -101 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 10.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 15.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.9

Radius: 10.5

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 14.84 AU - 16.28 AU

Year: 18813 Days

Day: 7.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 90,937,965 km

• M1: 133,292 km (0.086 R)
• M2: 471,682 km (0.083 R)
• M3: 803,939 km (0.113 R)
• M4: 1,182,721 km (0.09 R)
• M5: 2,096,764 km (0.092 R)
• M6: 2,811,542 km (0.095 R)
• M7: 3,595,734 km (0.096 R)
• M8: 4,101,375 km (0.032 R)
• M9: 7,145,542 km (0.088 R)
• M10: 8,754,916 km (0.11 R)
• M11: 9,232,881 km (0.069 R)
• M12: 14,280,314 km (0.076 R)
• M13: 16,893,639 km (0.113 R)
• M14: 19,272,843 km (0.119 R)
• M15: 19,810,348 km (0.068 R)
• M16: 26,620,791 km (0.089 R)
• M17: 27,738,437 km (0.077 R)
• M18: 30,547,885 km (0.107 R)
• M19: 31,033,929 km (0.116 R)
• M20: 37,137,671 km (0.032 R)
• M21: 40,251,551 km (0.064 R)
• M22: 45,399,663 km (0.069 R)
• M23: 50,292,560 km (0.108 R)
• M24: 53,566,809 km (0.094 R)
• M25: 56,614,417 km (0.107 R)
• M26: 57,902,305 km (0.086 R)
• M27: 63,446,252 km (0.115 R)
• M28: 65,035,730 km (0.12 R)
• M29: 65,840,267 km (0.057 R)
• M30: 70,173,668 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 766.3

Radius: 5

Gravity: 30.65 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 18.53 AU - 18.79 AU

Year: 24707 Days

Day: 23.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 90,937,965 km

• M1: 62,382 km (0.105 R)
• M2: 223,200 km (0.054 R)
• M3: 493,075 km (0.056 R)
• M4: 685,457 km (0.115 R)
• M5: 1,003,652 km (0.108 R)
• M6: 1,350,121 km (0.05 R)
• M7: 1,551,330 km (0.088 R)
• M8: 2,717,445 km (0.082 R)
• M9: 3,327,954 km (0.114 R)
• M10: 3,761,489 km (0.118 R)
• M11: 4,093,596 km (0.074 R)
• M12: 4,554,208 km (0.079 R)
• M13: 5,248,192 km (0.11 R)
• M14: 5,748,298 km (0.094 R)
• M15: 6,463,974 km (0.111 R)
• M16: 8,070,207 km (0.112 R)
• M17: 9,199,222 km (0.065 R)
• M18: 9,863,137 km (0.107 R)
• M19: 11,084,305 km (0.101 R)
• M20: 13,977,976 km (0.037 R)
• M21: 16,365,857 km (0.054 R)
• M22: 18,631,368 km (0.081 R)
• M23: 19,108,286 km (0.094 R)
• M24: 22,569,681 km (0.119 R)
• M25: 29,143,610 km (0.087 R)
• M26: 30,045,685 km (0.074 R)
• M27: 30,437,931 km (0.075 R)
• M28: 45,723,542 km (0.111 R)
• M29: 46,069,113 km (0.11 R)
• M30: 51,649,114 km (0.1 R)
• M31: 59,698,077 km (0.099 R)
• M32: 60,525,354 km (0.103 R)
• M33: 66,531,708 km (0.1 R)
• M34: 70,595,534 km (0.114 R)
• M35: 73,631,324 km (0.028 R)
• M36: 84,550,622 km (0.112 R)
• M37: 86,645,292 km (0.057 R)
• M38: 88,238,808 km (0.03 R)
• M39: 89,581,599 km (0.084 R)

Kuiper Belt

Range: 35.7 - 50.7 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 12,675 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit