🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.46 AU - 0.68 AU

Year: 151 Days

Day: 16.2 Hours

Environment

Temp: 216 °C

Axial Tilt: 46.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 57,097,545 km

• M1: 296,204 km (0.111 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.59 AU - 0.67 AU

Year: 175 Days

Day: 18.7 Hours

Environment

Temp: 164 °C

Axial Tilt: 31.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.6 AU - 0.76 AU

Year: 196 Days

Day: 35.5 Hours

Environment

Temp: 212 °C

Axial Tilt: 1.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.56 AU - 0.8 AU

Year: 196 Days

Day: 34.8 Hours

Environment

Temp: 143 °C

Axial Tilt: 35.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.91 AU - 1.15 AU

Year: 366 Days

Day: 43 Hours

Environment

Temp: 72 °C

Axial Tilt: 36.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 57,097,545 km

• M1: 18,401 km (0.038 R)
• M2: 30,368 km (0.114 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.05 AU - 1.31 AU

Year: 448 Days

Day: 44.3 Hours

Environment

Temp: 33 °C

Axial Tilt: 6.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 57,097,545 km

• M1: 667,057 km (0.097 R)

Planet 7 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.33 AU - 1.43 AU

Year: 567 Days

Day: 38.6 Hours

Environment

Temp: 4 °C

Axial Tilt: 7.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 8 - Terrestrial

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.01 AU - 2.59 AU

Year: 1220 Days

Day: 17.4 Hours

Environment

Temp: -62 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 57,097,545 km

• M1: 117,285 km (0.083 R)
• M2: 258,505 km (0.077 R)

Asteroid Belt

Center: 7.06 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 11.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.3

Radius: 8.5

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 9.4 AU - 14.22 AU

Year: 14199 Days

Day: 8.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 57,097,545 km

• M1: 139,126 km (0.026 R)
• M2: 243,396 km (0.068 R)
• M3: 372,798 km (0.041 R)
• M4: 667,954 km (0.068 R)
• M5: 723,904 km (0.038 R)
• M6: 801,097 km (0.102 R)
• M7: 1,276,369 km (0.11 R)
• M8: 1,670,260 km (0.104 R)
• M9: 1,827,488 km (0.11 R)
• M10: 1,881,044 km (0.052 R)
• M11: 2,270,596 km (0.107 R)
• M12: 2,357,363 km (0.059 R)
• M13: 3,123,155 km (0.097 R)
• M14: 3,719,003 km (0.117 R)
• M15: 3,787,369 km (0.112 R)
• M16: 4,171,088 km (0.101 R)
• M17: 4,349,708 km (0.114 R)
• M18: 5,013,324 km (0.072 R)
• M19: 5,126,869 km (0.119 R)
• M20: 5,203,164 km (0.044 R)
• M21: 5,747,700 km (0.065 R)
• M22: 6,188,266 km (0.092 R)
• M23: 6,639,752 km (0.104 R)
• M24: 7,968,480 km (0.074 R)
• M25: 8,279,793 km (0.104 R)
• M26: 8,640,324 km (0.079 R)
• M27: 10,325,694 km (0.059 R)
• M28: 10,616,362 km (0.048 R)
• M29: 10,860,656 km (0.114 R)
• M30: 11,304,961 km (0.072 R)
• M31: 11,454,410 km (0.065 R)
• M32: 12,313,550 km (0.109 R)
• M33: 13,561,496 km (0.101 R)
• M34: 13,932,947 km (0.045 R)
• M35: 14,093,316 km (0.093 R)
• M36: 14,740,477 km (0.108 R)
• M37: 15,177,302 km (0.112 R)
• M38: 15,729,319 km (0.115 R)
• M39: 16,400,415 km (0.113 R)
• M40: 16,966,792 km (0.093 R)
• M41: 18,177,188 km (0.118 R)
• M42: 18,235,382 km (0.119 R)
• M43: 18,999,378 km (0.034 R)
• M44: 19,117,860 km (0.04 R)
• M45: 19,177,101 km (0.05 R)
• M46: 19,713,708 km (0.086 R)
• M47: 21,291,667 km (0.067 R)
• M48: 21,661,622 km (0.032 R)
• M49: 21,785,340 km (0.107 R)
• M50: 22,033,522 km (0.049 R)
• M51: 22,407,667 km (0.075 R)
• M52: 22,783,905 km (0.094 R)
• M53: 23,352,228 km (0.102 R)
• M54: 24,245,327 km (0.117 R)
• M55: 25,279,796 km (0.118 R)
• M56: 26,065,185 km (0.118 R)
• M57: 27,525,559 km (0.115 R)
• M58: 27,659,599 km (0.101 R)
• M59: 29,490,976 km (0.066 R)
• M60: 30,248,241 km (0.112 R)
• M61: 30,455,883 km (0.079 R)
• M62: 30,802,950 km (0.079 R)
• M63: 30,942,225 km (0.067 R)
• M64: 31,151,363 km (0.118 R)
• M65: 32,700,000 km (0.105 R)
• M66: 33,340,728 km (0.117 R)
• M67: 33,626,759 km (0.074 R)
• M68: 34,634,600 km (0.043 R)
• M69: 34,779,411 km (0.114 R)
• M70: 34,996,926 km (0.1 R)
• M71: 40,427,777 km (0.115 R)
• M72: 41,960,856 km (0.099 R)
• M73: 43,434,844 km (0.118 R)
• M74: 43,591,024 km (0.054 R)
• M75: 43,669,114 km (0.077 R)
• M76: 43,825,594 km (0.1 R)
• M77: 44,217,391 km (0.084 R)
• M78: 44,295,930 km (0.102 R)
• M79: 44,453,157 km (0.102 R)
• M80: 45,004,724 km (0.115 R)
• M81: 45,558,536 km (0.088 R)
• M82: 47,233,433 km (0.043 R)
• M83: 48,442,184 km (0.09 R)
• M84: 48,604,049 km (0.085 R)
• M85: 49,824,319 km (0.104 R)
• M86: 50,643,367 km (0.09 R)
• M87: 50,889,904 km (0.084 R)
• M88: 52,045,997 km (0.079 R)
• M89: 52,544,158 km (0.117 R)
• M90: 53,544,967 km (0.034 R)
• M91: 53,796,292 km (0.083 R)
• M92: 54,383,912 km (0.051 R)
• M93: 56,841,207 km (0.095 R)

Kuiper Belt

Range: 31.4 - 48.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 19,533 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit