🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.53 AU - 0.53 AU

Year: 140 Days

Day: 15.1 Hours

Environment

Temp: 174 °C

Axial Tilt: 35.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.6 AU - 0.88 AU

Year: 231 Days

Day: 31 Hours

Environment

Temp: 198 °C

Axial Tilt: 32.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 61,332,122 km

• M1: 16,456 km (0.096 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.3 AU - 1.88 AU

Year: 729 Days

Day: 35.3 Hours

Environment

Temp: -48 °C

Axial Tilt: 122.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.81 AU - 4.33 AU

Year: 2451 Days

Day: 28.3 Hours

Environment

Temp: -105 °C

Axial Tilt: 15.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.37 AU - 4.43 AU

Year: 2799 Days

Day: 29.8 Hours

Environment

Temp: -124 °C

Axial Tilt: 8.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.5

Radius: 10.4

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 7.31 AU - 7.51 AU

Year: 7331 Days

Day: 14.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,332,122 km

• M1: 130,001 km (0.088 R)
• M2: 563,685 km (0.074 R)
• M3: 916,586 km (0.086 R)
• M4: 1,582,297 km (0.089 R)
• M5: 2,353,474 km (0.089 R)
• M6: 3,002,280 km (0.096 R)
• M7: 3,358,323 km (0.063 R)
• M8: 3,813,549 km (0.113 R)
• M9: 4,232,573 km (0.1 R)
• M10: 5,772,084 km (0.079 R)
• M11: 9,423,319 km (0.061 R)
• M12: 12,590,456 km (0.041 R)
• M13: 15,464,829 km (0.06 R)
• M14: 20,481,444 km (0.07 R)
• M15: 21,005,785 km (0.097 R)
• M16: 21,539,101 km (0.032 R)
• M17: 22,474,387 km (0.112 R)
• M18: 28,292,398 km (0.111 R)
• M19: 32,548,906 km (0.063 R)
• M20: 34,829,227 km (0.084 R)
• M21: 35,361,945 km (0.113 R)
• M22: 36,225,573 km (0.042 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 364.9

Radius: 5.4

Gravity: 12.51 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 11.4 AU - 14.22 AU

Year: 16663 Days

Day: 23.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,332,122 km

• M1: 78,988 km (0.098 R)
• M2: 647,908 km (0.119 R)
• M3: 1,093,710 km (0.077 R)
• M4: 1,584,541 km (0.089 R)
• M5: 1,922,333 km (0.094 R)
• M6: 2,507,410 km (0.073 R)
• M7: 2,897,860 km (0.083 R)
• M8: 3,277,989 km (0.113 R)
• M9: 3,663,801 km (0.071 R)
• M10: 5,070,919 km (0.038 R)
• M11: 5,516,122 km (0.108 R)
• M12: 6,406,230 km (0.1 R)
• M13: 8,233,867 km (0.086 R)
• M14: 8,513,764 km (0.057 R)
• M15: 8,800,095 km (0.079 R)
• M16: 12,326,715 km (0.06 R)
• M17: 13,576,755 km (0.084 R)
• M18: 15,395,117 km (0.066 R)
• M19: 16,472,521 km (0.083 R)
• M20: 18,776,478 km (0.062 R)
• M21: 21,373,796 km (0.058 R)
• M22: 26,553,921 km (0.065 R)
• M23: 35,004,107 km (0.085 R)
• M24: 38,004,142 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190.7

Radius: 6

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 16.07 AU - 19.65 AU

Year: 27432 Days

Day: 23.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 61,332,122 km

• M1: 76,445 km (0.079 R)
• M2: 316,250 km (0.072 R)
• M3: 587,022 km (0.101 R)
• M4: 1,599,800 km (0.041 R)
• M5: 1,829,732 km (0.066 R)
• M6: 2,611,979 km (0.057 R)
• M7: 4,265,783 km (0.097 R)
• M8: 4,911,148 km (0.112 R)
• M9: 6,977,095 km (0.1 R)
• M10: 7,325,658 km (0.116 R)
• M11: 8,296,399 km (0.109 R)
• M12: 8,490,726 km (0.109 R)
• M13: 10,266,303 km (0.112 R)
• M14: 14,533,134 km (0.095 R)
• M15: 16,897,528 km (0.116 R)
• M16: 17,766,094 km (0.103 R)
• M17: 22,465,860 km (0.049 R)
• M18: 24,897,574 km (0.039 R)
• M19: 26,437,983 km (0.081 R)
• M20: 29,707,145 km (0.049 R)
• M21: 34,974,486 km (0.064 R)
• M22: 39,310,281 km (0.117 R)
• M23: 42,679,674 km (0.083 R)
• M24: 48,872,278 km (0.047 R)
• M25: 50,146,553 km (0.071 R)
• M26: 50,468,487 km (0.112 R)
• M27: 60,965,321 km (0.05 R)

Kuiper Belt

Range: 30.2 - 50.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 455 - 14,881 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit