🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.54 AU - 0.76 AU

Year: 224 Days

Day: 24.3 Hours

Environment

Temp: 10 °C

Axial Tilt: 0.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.64 AU - 0.68 AU

Year: 229 Days

Day: 44.9 Hours

Environment

Temp: 2 °C

Axial Tilt: 44.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.81 AU - 0.93 AU

Year: 347 Days

Day: 21.3 Hours

Environment

Temp: -43 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.88 AU - 1.24 AU

Year: 467 Days

Day: 28.8 Hours

Environment

Temp: -64 °C

Axial Tilt: 46 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.49 AU - 2.37 AU

Year: 1146 Days

Day: 13.9 Hours

Environment

Temp: -104 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.3

Radius: 13.3

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.6 AU - 4.82 AU

Year: 3693 Days

Day: 5.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,651,171 km

• M1: 165,455 km (0.065 R)
• M2: 588,817 km (0.115 R)
• M3: 1,195,437 km (0.045 R)
• M4: 1,966,314 km (0.12 R)
• M5: 2,471,506 km (0.109 R)
• M6: 3,749,072 km (0.119 R)
• M7: 4,496,912 km (0.103 R)
• M8: 5,492,935 km (0.117 R)
• M9: 6,101,948 km (0.097 R)
• M10: 8,203,349 km (0.075 R)
• M11: 9,849,075 km (0.117 R)
• M12: 12,716,567 km (0.06 R)
• M13: 13,342,634 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567

Radius: 12.5

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 4.15 AU - 4.69 AU

Year: 3972 Days

Day: 13.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,651,171 km

• M1: 156,330 km (0.091 R)
• M2: 585,077 km (0.056 R)
• M3: 1,023,848 km (0.058 R)
• M4: 1,713,644 km (0.052 R)
• M5: 2,342,852 km (0.11 R)
• M6: 2,794,638 km (0.077 R)
• M7: 3,753,111 km (0.065 R)
• M8: 4,490,778 km (0.098 R)
• M9: 5,093,209 km (0.066 R)
• M10: 6,342,800 km (0.08 R)
• M11: 7,390,883 km (0.113 R)
• M12: 11,667,138 km (0.034 R)
• M13: 12,620,974 km (0.076 R)
• M14: 14,683,779 km (0.116 R)
• M15: 15,365,496 km (0.115 R)
• M16: 17,133,743 km (0.119 R)
• M17: 17,889,512 km (0.101 R)
• M18: 18,305,543 km (0.111 R)
• M19: 19,530,152 km (0.119 R)
• M20: 20,290,707 km (0.1 R)
• M21: 22,346,930 km (0.118 R)
• M22: 23,531,745 km (0.059 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 950.2

Radius: 6.5

Gravity: 22.49 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 13.2 AU - 13.22 AU

Year: 20525 Days

Day: 20.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 66,651,171 km

• M1: 189,541 km (0.095 R)
• M2: 421,118 km (0.049 R)
• M3: 672,442 km (0.064 R)
• M4: 1,157,888 km (0.1 R)
• M5: 1,704,219 km (0.111 R)
• M6: 2,409,723 km (0.119 R)
• M7: 3,294,744 km (0.117 R)
• M8: 3,842,870 km (0.116 R)
• M9: 4,240,800 km (0.089 R)
• M10: 5,316,409 km (0.075 R)
• M11: 6,157,149 km (0.1 R)
• M12: 9,093,456 km (0.058 R)
• M13: 11,322,016 km (0.092 R)
• M14: 11,658,012 km (0.115 R)
• M15: 16,564,673 km (0.118 R)
• M16: 19,563,213 km (0.115 R)
• M17: 22,905,080 km (0.077 R)
• M18: 25,105,215 km (0.082 R)
• M19: 27,563,108 km (0.049 R)
• M20: 43,913,557 km (0.077 R)
• M21: 44,909,730 km (0.112 R)
• M22: 51,939,034 km (0.063 R)
• M23: 52,866,092 km (0.081 R)
• M24: 56,489,951 km (0.066 R)
• M25: 65,295,431 km (0.085 R)
• M26: 69,238,083 km (0.114 R)
• M27: 72,182,169 km (0.09 R)
• M28: 76,633,454 km (0.082 R)
• M29: 78,318,524 km (0.051 R)
• M30: 78,561,322 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 317.9

Radius: 5.1

Gravity: 12.22 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 11.66 AU - 17.72 AU

Year: 24069 Days

Day: 18.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 66,651,171 km

• M1: 75,697 km (0.112 R)
• M2: 292,613 km (0.086 R)
• M3: 671,395 km (0.117 R)
• M4: 1,103,883 km (0.119 R)
• M5: 1,478,625 km (0.069 R)
• M6: 1,687,464 km (0.1 R)
• M7: 2,413,163 km (0.049 R)
• M8: 4,585,923 km (0.05 R)
• M9: 6,090,877 km (0.116 R)
• M10: 6,845,150 km (0.117 R)
• M11: 7,754,406 km (0.04 R)
• M12: 8,139,620 km (0.047 R)
• M13: 8,690,140 km (0.119 R)
• M14: 9,211,788 km (0.064 R)
• M15: 9,480,316 km (0.113 R)
• M16: 10,260,020 km (0.114 R)
• M17: 16,476,709 km (0.075 R)
• M18: 16,713,523 km (0.102 R)
• M19: 17,355,896 km (0.044 R)
• M20: 18,861,150 km (0.089 R)
• M21: 19,469,415 km (0.086 R)
• M22: 25,967,198 km (0.084 R)
• M23: 26,611,217 km (0.06 R)
• M24: 28,267,714 km (0.081 R)
• M25: 31,662,838 km (0.117 R)
• M26: 33,395,032 km (0.038 R)
• M27: 37,182,252 km (0.045 R)
• M28: 37,726,040 km (0.113 R)
• M29: 38,690,497 km (0.084 R)
• M30: 51,241,160 km (0.034 R)
• M31: 58,425,448 km (0.088 R)
• M32: 59,160,273 km (0.1 R)
• M33: 64,282,654 km (0.105 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: 437 - 15,660 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit