🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.54 AU - 0.72 AU

Year: 177 Days

Day: 17.4 Hours

Environment

Temp: 186 °C

Axial Tilt: 39.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.23 AU - 1.91 AU

Year: 695 Days

Day: 16.1 Hours

Environment

Temp: -27 °C

Axial Tilt: 59.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,382,451 km

• M1: 134,189 km (0.12 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.82 AU - 2.16 AU

Year: 991 Days

Day: 40.3 Hours

Environment

Temp: -59 °C

Axial Tilt: 20.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,382,451 km

• M1: 68,815 km (0.053 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 4.03 AU - 4.77 AU

Year: 3259 Days

Day: 24.9 Hours

Environment

Temp: -127 °C

Axial Tilt: 34.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 5.28 AU - 5.4 AU

Year: 4357 Days

Day: 40.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 15.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.6

Radius: 13.4

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.15 AU - 5.69 AU

Year: 4456 Days

Day: 13.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 42,382,451 km

• M1: 201,808 km (0.119 R)
• M2: 314,006 km (0.112 R)
• M3: 432,188 km (0.117 R)
• M4: 565,630 km (0.068 R)
• M5: 702,811 km (0.064 R)
• M6: 925,113 km (0.115 R)
• M7: 1,163,572 km (0.085 R)
• M8: 1,294,919 km (0.111 R)
• M9: 1,757,625 km (0.057 R)
• M10: 1,919,939 km (0.113 R)
• M11: 2,157,949 km (0.08 R)
• M12: 2,332,530 km (0.09 R)
• M13: 2,608,837 km (0.105 R)
• M14: 3,158,759 km (0.065 R)
• M15: 3,453,317 km (0.1 R)
• M16: 3,610,096 km (0.058 R)
• M17: 3,732,317 km (0.109 R)
• M18: 4,299,742 km (0.11 R)
• M19: 5,166,961 km (0.079 R)
• M20: 5,305,339 km (0.101 R)
• M21: 6,116,907 km (0.03 R)
• M22: 6,724,723 km (0.112 R)
• M23: 6,891,226 km (0.084 R)
• M24: 7,120,260 km (0.08 R)
• M25: 7,243,529 km (0.101 R)
• M26: 7,476,602 km (0.118 R)
• M27: 7,570,550 km (0.073 R)
• M28: 8,206,790 km (0.088 R)
• M29: 8,466,043 km (0.109 R)
• M30: 8,629,553 km (0.079 R)
• M31: 9,126,368 km (0.109 R)
• M32: 9,243,652 km (0.116 R)
• M33: 9,769,040 km (0.057 R)
• M34: 10,199,732 km (0.054 R)
• M35: 10,848,838 km (0.053 R)
• M36: 11,475,204 km (0.093 R)
• M37: 12,021,386 km (0.067 R)
• M38: 12,150,189 km (0.101 R)
• M39: 12,334,793 km (0.084 R)
• M40: 12,445,944 km (0.111 R)
• M41: 12,594,794 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 90.5

Radius: 6.1

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 14.08 AU - 18.18 AU

Year: 22874 Days

Day: 21.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 42,382,451 km

• M1: 777,011 km (0.085 R)
• M2: 1,275,771 km (0.068 R)
• M3: 1,433,896 km (0.027 R)
• M4: 1,640,490 km (0.118 R)
• M5: 1,856,510 km (0.075 R)
• M6: 2,174,405 km (0.054 R)
• M7: 2,533,590 km (0.066 R)
• M8: 2,657,606 km (0.12 R)
• M9: 3,469,623 km (0.096 R)
• M10: 3,859,924 km (0.053 R)
• M11: 3,945,345 km (0.117 R)
• M12: 4,411,641 km (0.049 R)
• M13: 6,176,896 km (0.053 R)
• M14: 7,413,322 km (0.07 R)
• M15: 8,574,501 km (0.085 R)
• M16: 8,649,001 km (0.106 R)
• M17: 8,911,246 km (0.101 R)
• M18: 9,481,962 km (0.072 R)
• M19: 9,868,972 km (0.079 R)
• M20: 11,263,822 km (0.036 R)
• M21: 12,005,080 km (0.071 R)
• M22: 12,634,587 km (0.11 R)
• M23: 14,013,431 km (0.085 R)
• M24: 14,189,059 km (0.063 R)
• M25: 15,439,099 km (0.11 R)
• M26: 15,484,427 km (0.035 R)
• M27: 16,077,283 km (0.084 R)
• M28: 16,307,365 km (0.106 R)
• M29: 16,584,869 km (0.114 R)
• M30: 18,377,949 km (0.11 R)
• M31: 18,618,502 km (0.118 R)
• M32: 18,763,313 km (0.119 R)
• M33: 19,689,025 km (0.106 R)
• M34: 19,935,113 km (0.106 R)
• M35: 20,629,546 km (0.092 R)
• M36: 22,348,875 km (0.101 R)
• M37: 22,400,187 km (0.106 R)
• M38: 23,589,939 km (0.043 R)
• M39: 23,798,927 km (0.118 R)
• M40: 24,008,513 km (0.114 R)
• M41: 24,588,205 km (0.097 R)
• M42: 24,959,507 km (0.111 R)
• M43: 25,225,791 km (0.035 R)
• M44: 27,007,053 km (0.062 R)
• M45: 27,664,835 km (0.089 R)
• M46: 28,272,352 km (0.051 R)
• M47: 28,438,854 km (0.114 R)
• M48: 30,689,255 km (0.108 R)
• M49: 30,917,392 km (0.076 R)
• M50: 30,974,538 km (0.049 R)
• M51: 35,657,400 km (0.084 R)
• M52: 36,017,333 km (0.066 R)
• M53: 37,104,610 km (0.113 R)
• M54: 37,286,970 km (0.069 R)
• M55: 37,774,360 km (0.117 R)
• M56: 37,957,767 km (0.118 R)
• M57: 39,125,827 km (0.099 R)
• M58: 41,308,161 km (0.039 R)
• M59: 41,434,122 km (0.081 R)

Kuiper Belt

Range: 31.1 - 47.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 510 - 14,017 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit