🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.89 AU - 0.95 AU

Year: 319 Days

Day: 27.7 Hours

Environment

Temp: 159 °C

Axial Tilt: 3.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.23 AU - 1.53 AU

Year: 586 Days

Day: 43.6 Hours

Environment

Temp: -0 °C

Axial Tilt: 34.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.23 AU - 2.49 AU

Year: 1311 Days

Day: 28 Hours

Environment

Temp: -86 °C

Axial Tilt: 5.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 109,780,699 km

• M1: 44,281 km (0.118 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.01 AU - 3.07 AU

Year: 1464 Days

Day: 40.8 Hours

Environment

Temp: -88 °C

Axial Tilt: 8.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.84 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.4

Radius: 11.5

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 4.48 AU - 5.8 AU

Year: 4214 Days

Day: 10.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 109,780,699 km

• M1: 145,708 km (0.114 R)
• M2: 568,173 km (0.074 R)
• M3: 975,378 km (0.119 R)
• M4: 1,365,679 km (0.074 R)
• M5: 2,244,566 km (0.092 R)
• M6: 2,960,691 km (0.06 R)
• M7: 3,662,156 km (0.114 R)
• M8: 4,095,691 km (0.105 R)
• M9: 5,216,777 km (0.069 R)
• M10: 6,184,226 km (0.088 R)
• M11: 7,299,329 km (0.1 R)
• M12: 7,888,146 km (0.086 R)
• M13: 8,794,260 km (0.083 R)
• M14: 13,124,520 km (0.045 R)
• M15: 13,799,057 km (0.119 R)
• M16: 15,061,214 km (0.111 R)
• M17: 15,587,051 km (0.108 R)
• M18: 17,640,132 km (0.115 R)
• M19: 18,942,980 km (0.096 R)
• M20: 23,445,577 km (0.029 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 69.1

Radius: 6.4

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 14.34 AU - 21.56 AU

Year: 27503 Days

Day: 17.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 109,780,699 km

• M1: 79,586 km (0.075 R)
• M2: 305,928 km (0.063 R)
• M3: 632,649 km (0.112 R)
• M4: 1,344,586 km (0.1 R)
• M5: 2,294,233 km (0.091 R)
• M6: 2,920,001 km (0.113 R)
• M7: 8,478,609 km (0.065 R)
• M8: 13,053,611 km (0.064 R)
• M9: 16,330,702 km (0.102 R)
• M10: 17,724,954 km (0.119 R)
• M11: 18,672,657 km (0.044 R)
• M12: 23,229,109 km (0.075 R)
• M13: 25,079,036 km (0.098 R)
• M14: 25,625,218 km (0.03 R)
• M15: 37,565,521 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 806.9

Radius: 6

Gravity: 22.41 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 16.12 AU - 23.54 AU

Year: 31936 Days

Day: 17.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 109,780,699 km

• M1: 74,649 km (0.079 R)
• M2: 273,764 km (0.069 R)
• M3: 549,772 km (0.056 R)
• M4: 815,308 km (0.113 R)
• M5: 1,324,240 km (0.038 R)
• M6: 1,668,315 km (0.113 R)
• M7: 3,066,457 km (0.112 R)
• M8: 3,703,295 km (0.109 R)
• M9: 4,273,413 km (0.086 R)
• M10: 5,150,505 km (0.115 R)
• M11: 5,631,612 km (0.053 R)
• M12: 7,525,521 km (0.119 R)
• M13: 8,980,809 km (0.1 R)
• M14: 13,140,079 km (0.086 R)
• M15: 13,787,837 km (0.075 R)
• M16: 14,036,170 km (0.063 R)
• M17: 15,768,663 km (0.09 R)
• M18: 16,968,288 km (0.1 R)
• M19: 19,340,761 km (0.044 R)
• M20: 19,861,511 km (0.119 R)
• M21: 20,284,723 km (0.041 R)
• M22: 21,701,714 km (0.095 R)
• M23: 27,245,811 km (0.092 R)
• M24: 28,297,484 km (0.078 R)
• M25: 30,903,330 km (0.116 R)
• M26: 35,028,341 km (0.109 R)
• M27: 36,586,104 km (0.108 R)
• M28: 42,228,188 km (0.09 R)
• M29: 42,927,707 km (0.09 R)
• M30: 47,288,635 km (0.116 R)
• M31: 69,126,184 km (0.095 R)
• M32: 69,610,732 km (0.074 R)
• M33: 73,317,468 km (0.066 R)
• M34: 78,724,832 km (0.079 R)
• M35: 82,202,085 km (0.107 R)
• M36: 83,566,268 km (0.102 R)
• M37: 85,501,466 km (0.114 R)
• M38: 88,888,063 km (0.114 R)
• M39: 103,329,044 km (0.056 R)

Kuiper Belt

Range: 30.3 - 57.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 17,483 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit