🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.42 AU - 0.62 AU

Year: 142 Days

Day: 25.5 Hours

Environment

Temp: 172 °C

Axial Tilt: 49.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 73,888,223 km

• M1: 102,475 km (0.033 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.6 AU - 0.8 AU

Year: 222 Days

Day: 44.1 Hours

Environment

Temp: 140 °C

Axial Tilt: 39.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.77 AU - 1.03 AU

Year: 323 Days

Day: 43.6 Hours

Environment

Temp: 29 °C

Axial Tilt: 165 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.02 AU - 1.12 AU

Year: 419 Days

Day: 34.1 Hours

Environment

Temp: 15 °C

Axial Tilt: 10.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 73,888,223 km

• M1: 421,417 km (0.052 R)
• M2: 440,416 km (0.111 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.97 AU - 1.59 AU

Year: 548 Days

Day: 47.1 Hours

Environment

Temp: -35 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,888,223 km

• M1: 39,943 km (0.069 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.96 AU - 3.06 AU

Year: 1506 Days

Day: 19.3 Hours

Environment

Temp: -102 °C

Axial Tilt: 46.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,888,223 km

• M1: 40,092 km (0.05 R)

Asteroid Belt

Center: 4.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.5

Radius: 8.1

Gravity: 15.2 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.84 AU - 7.78 AU

Year: 6731 Days

Day: 11.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,888,223 km

• M1: 105,915 km (0.032 R)
• M2: 381,774 km (0.11 R)
• M3: 815,608 km (0.1 R)
• M4: 1,126,472 km (0.1 R)
• M5: 1,451,997 km (0.114 R)
• M6: 1,855,014 km (0.025 R)
• M7: 2,209,261 km (0.099 R)
• M8: 2,513,394 km (0.095 R)
• M9: 2,969,667 km (0.059 R)
• M10: 6,582,905 km (0.084 R)
• M11: 7,216,900 km (0.087 R)
• M12: 9,047,230 km (0.089 R)
• M13: 10,361,298 km (0.084 R)
• M14: 15,444,335 km (0.09 R)
• M15: 16,360,771 km (0.042 R)
• M16: 17,944,414 km (0.097 R)
• M17: 20,859,030 km (0.075 R)
• M18: 24,597,181 km (0.078 R)
• M19: 26,670,009 km (0.065 R)
• M20: 27,511,946 km (0.051 R)
• M21: 30,955,091 km (0.064 R)
• M22: 35,007,248 km (0.063 R)
• M23: 36,356,771 km (0.118 R)
• M24: 37,507,777 km (0.045 R)
• M25: 38,209,839 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.5

Radius: 10.4

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 9.64 AU - 13.34 AU

Year: 14751 Days

Day: 7.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,888,223 km

• M1: 130,150 km (0.061 R)
• M2: 735,124 km (0.109 R)
• M3: 1,091,167 km (0.11 R)
• M4: 1,565,093 km (0.077 R)
• M5: 2,053,829 km (0.107 R)
• M6: 2,848,194 km (0.12 R)
• M7: 3,293,098 km (0.025 R)
• M8: 5,100,539 km (0.106 R)
• M9: 8,167,595 km (0.105 R)
• M10: 8,520,796 km (0.072 R)
• M11: 8,884,318 km (0.118 R)
• M12: 9,401,029 km (0.077 R)
• M13: 11,450,969 km (0.109 R)
• M14: 12,406,451 km (0.049 R)
• M15: 15,931,276 km (0.098 R)
• M16: 17,121,177 km (0.092 R)
• M17: 17,701,168 km (0.087 R)
• M18: 19,286,307 km (0.089 R)
• M19: 27,850,336 km (0.104 R)
• M20: 46,558,448 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 475.2

Radius: 4.8

Gravity: 20.63 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 12.75 AU - 18.13 AU

Year: 22978 Days

Day: 21.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 73,888,223 km

• M1: 59,839 km (0.087 R)
• M2: 237,262 km (0.086 R)
• M3: 462,257 km (0.095 R)
• M4: 624,122 km (0.112 R)
• M5: 1,172,249 km (0.095 R)
• M6: 2,433,808 km (0.074 R)
• M7: 2,737,043 km (0.075 R)
• M8: 2,935,858 km (0.099 R)
• M9: 4,575,301 km (0.025 R)
• M10: 5,767,297 km (0.069 R)
• M11: 6,565,551 km (0.087 R)
• M12: 8,534,559 km (0.1 R)
• M13: 8,745,492 km (0.118 R)
• M14: 9,399,384 km (0.096 R)
• M15: 12,749,329 km (0.114 R)
• M16: 14,689,165 km (0.095 R)
• M17: 14,840,258 km (0.098 R)
• M18: 15,611,286 km (0.077 R)
• M19: 18,170,905 km (0.048 R)
• M20: 19,413,465 km (0.115 R)
• M21: 21,092,701 km (0.114 R)
• M22: 22,664,676 km (0.081 R)
• M23: 23,789,652 km (0.099 R)
• M24: 25,058,691 km (0.095 R)
• M25: 25,819,545 km (0.108 R)
• M26: 27,961,936 km (0.118 R)
• M27: 28,662,354 km (0.108 R)
• M28: 29,976,721 km (0.112 R)
• M29: 32,983,039 km (0.111 R)
• M30: 37,859,930 km (0.041 R)
• M31: 42,121,524 km (0.111 R)
• M32: 47,347,128 km (0.053 R)
• M33: 48,008,500 km (0.08 R)
• M34: 59,444,210 km (0.115 R)
• M35: 59,828,078 km (0.071 R)
• M36: 65,582,809 km (0.085 R)
• M37: 65,992,707 km (0.105 R)
• M38: 71,262,142 km (0.096 R)
• M39: 73,005,855 km (0.094 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 364 - 13,899 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit