🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.47 AU - 0.61 AU

Year: 143 Days

Day: 16 Hours

Environment

Temp: 185 °C

Axial Tilt: 8.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.6 AU - 0.68 AU

Year: 184 Days

Day: 28.3 Hours

Environment

Temp: 159 °C

Axial Tilt: 2.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 18,516,373 km

• M1: 42,785 km (0.099 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.09 AU - 1.69 AU

Year: 590 Days

Day: 24.8 Hours

Environment

Temp: -7 °C

Axial Tilt: 21.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 18,516,373 km

• M1: 148,700 km (0.046 R)
• M2: 630,705 km (0.087 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.39 AU - 1.79 AU

Year: 722 Days

Day: 20.5 Hours

Environment

Temp: -33 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 18,516,373 km

• M1: 288,574 km (0.094 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.98 AU - 2.86 AU

Year: 1355 Days

Day: 20.7 Hours

Environment

Temp: -78 °C

Axial Tilt: 47.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 18,516,373 km

• M1: 182,659 km (0.105 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.93 AU - 4.85 AU

Year: 2761 Days

Day: 27.8 Hours

Environment

Temp: -125 °C

Axial Tilt: 11.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 18,516,373 km

• M1: 2,024,209 km (0.114 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.84 AU - 4.14 AU

Year: 2868 Days

Day: 27.3 Hours

Environment

Temp: -115 °C

Axial Tilt: 11.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.94 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.2

Radius: 10.2

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 5.32 AU - 6.46 AU

Year: 5145 Days

Day: 8.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 18,516,373 km

• M1: 127,457 km (0.08 R)
• M2: 213,027 km (0.026 R)
• M3: 326,273 km (0.037 R)
• M4: 397,182 km (0.086 R)
• M5: 489,484 km (0.077 R)
• M6: 690,993 km (0.079 R)
• M7: 862,731 km (0.088 R)
• M8: 968,945 km (0.085 R)
• M9: 1,348,176 km (0.091 R)
• M10: 1,450,052 km (0.12 R)
• M11: 1,858,754 km (0.115 R)
• M12: 2,398,054 km (0.057 R)
• M13: 2,635,466 km (0.073 R)
• M14: 2,764,419 km (0.113 R)
• M15: 3,347,103 km (0.037 R)
• M16: 3,518,392 km (0.106 R)
• M17: 3,597,081 km (0.083 R)
• M18: 3,676,517 km (0.053 R)
• M19: 3,772,559 km (0.025 R)
• M20: 4,198,763 km (0.025 R)
• M21: 4,316,048 km (0.105 R)
• M22: 4,657,431 km (0.106 R)
• M23: 4,761,700 km (0.116 R)
• M24: 4,937,029 km (0.12 R)
• M25: 5,512,382 km (0.078 R)
• M26: 5,957,885 km (0.095 R)
• M27: 6,146,977 km (0.037 R)
• M28: 6,338,163 km (0.117 R)
• M29: 6,550,592 km (0.099 R)
• M30: 6,824,505 km (0.08 R)
• M31: 6,962,883 km (0.106 R)
• M32: 7,222,436 km (0.088 R)
• M33: 7,668,686 km (0.067 R)
• M34: 7,978,204 km (0.072 R)
• M35: 8,186,893 km (0.057 R)
• M36: 8,291,761 km (0.083 R)
• M37: 8,588,264 km (0.112 R)
• M38: 8,952,834 km (0.05 R)
• M39: 9,169,601 km (0.073 R)
• M40: 9,674,943 km (0.116 R)
• M41: 10,370,424 km (0.074 R)
• M42: 10,438,640 km (0.109 R)
• M43: 10,804,706 km (0.081 R)
• M44: 10,943,084 km (0.084 R)
• M45: 11,455,457 km (0.078 R)
• M46: 11,928,186 km (0.114 R)
• M47: 12,190,880 km (0.047 R)
• M48: 12,407,199 km (0.069 R)
• M49: 12,503,689 km (0.106 R)
• M50: 12,721,953 km (0.08 R)
• M51: 13,359,389 km (0.062 R)
• M52: 13,557,606 km (0.085 R)
• M53: 13,657,089 km (0.051 R)
• M54: 13,731,888 km (0.097 R)
• M55: 13,806,836 km (0.052 R)
• M56: 14,032,430 km (0.114 R)
• M57: 14,233,938 km (0.093 R)
• M58: 14,844,298 km (0.12 R)
• M59: 15,049,546 km (0.111 R)
• M60: 15,489,064 km (0.09 R)
• M61: 15,671,424 km (0.092 R)
• M62: 16,222,244 km (0.053 R)
• M63: 16,407,296 km (0.059 R)
• M64: 16,513,361 km (0.072 R)
• M65: 16,966,643 km (0.106 R)
• M66: 17,424,113 km (0.103 R)
• M67: 17,559,349 km (0.112 R)
• M68: 17,749,488 km (0.085 R)
• M69: 17,967,452 km (0.093 R)
• M70: 18,378,697 km (0.11 R)

Kuiper Belt

Range: 30.5 - 57.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 501 - 16,794 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit