🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.21

Radius: 1.08

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.51 AU - 0.69 AU

Year: 165 Days

Day: 29.1 Hours

Environment

Temp: 254 °C

Axial Tilt: 48.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.7 AU - 0.86 AU

Year: 244 Days

Day: 41.9 Hours

Environment

Temp: 174 °C

Axial Tilt: 69.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.48 AU - 1.72 AU

Year: 718 Days

Day: 37.2 Hours

Environment

Temp: -33 °C

Axial Tilt: 22.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.2 AU - 2.32 AU

Year: 1205 Days

Day: 38.5 Hours

Environment

Temp: -58 °C

Axial Tilt: 10.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.44 AU - 2.84 AU

Year: 1522 Days

Day: 41.6 Hours

Environment

Temp: -76 °C

Axial Tilt: 6.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 31,874,308 km

• M1: 2,188,318 km (0.092 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.77 AU - 3.75 AU

Year: 2088 Days

Day: 19.9 Hours

Environment

Temp: -98 °C

Axial Tilt: 43.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.54 AU - 5.46 AU

Year: 3966 Days

Day: 36.1 Hours

Environment

Temp: -126 °C

Axial Tilt: 8.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.3

Radius: 13.6

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 6.49 AU - 8.77 AU

Year: 7477 Days

Day: 10.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (64)

Outer Limit: 31,874,308 km

• M1: 183,856 km (0.1 R)
• M2: 294,409 km (0.108 R)
• M3: 512,971 km (0.065 R)
• M4: 694,583 km (0.116 R)
• M5: 1,025,194 km (0.088 R)
• M6: 1,171,800 km (0.055 R)
• M7: 1,341,594 km (0.101 R)
• M8: 1,503,608 km (0.066 R)
• M9: 1,865,635 km (0.119 R)
• M10: 1,974,393 km (0.095 R)
• M11: 2,085,245 km (0.105 R)
• M12: 2,430,816 km (0.069 R)
• M13: 2,530,149 km (0.049 R)
• M14: 2,983,730 km (0.034 R)
• M15: 3,220,244 km (0.098 R)
• M16: 3,307,908 km (0.118 R)
• M17: 3,418,461 km (0.119 R)
• M18: 4,445,450 km (0.083 R)
• M19: 4,543,287 km (0.113 R)
• M20: 4,791,321 km (0.075 R)
• M21: 5,095,004 km (0.064 R)
• M22: 5,667,964 km (0.087 R)
• M23: 5,827,884 km (0.115 R)
• M24: 6,677,899 km (0.113 R)
• M25: 7,478,996 km (0.116 R)
• M26: 7,891,138 km (0.085 R)
• M27: 8,069,908 km (0.059 R)
• M28: 9,580,846 km (0.104 R)
• M29: 9,676,140 km (0.092 R)
• M30: 9,867,775 km (0.053 R)
• M31: 10,417,697 km (0.046 R)
• M32: 10,581,357 km (0.113 R)
• M33: 10,811,737 km (0.028 R)
• M34: 11,077,274 km (0.071 R)
• M35: 11,311,394 km (0.088 R)
• M36: 11,716,505 km (0.09 R)
• M37: 12,092,145 km (0.119 R)
• M38: 12,229,776 km (0.116 R)
• M39: 12,402,411 km (0.042 R)
• M40: 12,925,406 km (0.053 R)
• M41: 13,741,462 km (0.088 R)
• M42: 14,029,139 km (0.078 R)
• M43: 14,318,910 km (0.089 R)
• M44: 15,423,092 km (0.11 R)
• M45: 15,534,991 km (0.119 R)
• M46: 16,326,214 km (0.111 R)
• M47: 16,554,650 km (0.118 R)
• M48: 17,284,987 km (0.076 R)
• M49: 17,401,374 km (0.077 R)
• M50: 18,618,353 km (0.113 R)
• M51: 19,498,736 km (0.113 R)
• M52: 21,051,263 km (0.076 R)
• M53: 22,220,520 km (0.12 R)
• M54: 23,453,655 km (0.068 R)
• M55: 25,190,785 km (0.12 R)
• M56: 25,852,906 km (0.077 R)
• M57: 26,030,478 km (0.064 R)
• M58: 26,744,659 km (0.081 R)
• M59: 27,374,914 km (0.077 R)
• M60: 28,650,087 km (0.094 R)
• M61: 29,017,948 km (0.096 R)
• M62: 29,898,032 km (0.091 R)
• M63: 30,177,780 km (0.077 R)
• M64: 30,692,846 km (0.102 R)

Kuiper Belt

Range: 30.9 - 56.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 15,032 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit