🌌 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: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.54 AU - 0.72 AU

Year: 177 Days

Day: 19.2 Hours

Environment

Temp: 246 °C

Axial Tilt: 39.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.62 AU - 0.7 AU

Year: 189 Days

Day: 38.9 Hours

Environment

Temp: 142 °C

Axial Tilt: 22.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 30,060,439 km

• M1: 198,068 km (0.095 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.6 AU - 0.8 AU

Year: 207 Days

Day: 22.6 Hours

Environment

Temp: 195 °C

Axial Tilt: 33.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.7 AU - 0.96 AU

Year: 267 Days

Day: 18.3 Hours

Environment

Temp: 130 °C

Axial Tilt: 0.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 30,060,439 km

• M1: 222,602 km (0.107 R)
• M2: 375,640 km (0.092 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.95 AU - 1.43 AU

Year: 458 Days

Day: 29.8 Hours

Environment

Temp: 18 °C

Axial Tilt: 20 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 30,060,439 km

• M1: 630,705 km (0.114 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.24 AU - 1.4 AU

Year: 535 Days

Day: 40.3 Hours

Environment

Temp: 17 °C

Axial Tilt: 32.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 30,060,439 km

• M1: 256,860 km (0.116 R)

Planet 7 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.49 AU - 2.27 AU

Year: 910 Days

Day: 17 Hours

Environment

Temp: -52 °C

Axial Tilt: 3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.57 AU - 3.81 AU

Year: 2012 Days

Day: 31.6 Hours

Environment

Temp: -101 °C

Axial Tilt: 32 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Terrestrial

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.17 AU - 4.15 AU

Year: 2472 Days

Day: 21.3 Hours

Environment

Temp: -105 °C

Axial Tilt: 26.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.86 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Gas Giant

Semi-Major Axis: 10.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.5

Radius: 11.8

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 9.65 AU - 10.45 AU

Year: 11250 Days

Day: 13.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 30,060,439 km

• M1: 181,313 km (0.045 R)
• M2: 318,045 km (0.082 R)
• M3: 481,256 km (0.061 R)
• M4: 631,004 km (0.078 R)
• M5: 748,887 km (0.086 R)
• M6: 836,402 km (0.075 R)
• M7: 981,512 km (0.09 R)
• M8: 1,092,663 km (0.111 R)
• M9: 1,390,213 km (0.026 R)
• M10: 1,500,616 km (0.101 R)
• M11: 1,764,357 km (0.116 R)
• M12: 1,989,951 km (0.095 R)
• M13: 2,431,115 km (0.094 R)
• M14: 2,624,246 km (0.104 R)
• M15: 2,822,313 km (0.097 R)
• M16: 2,963,983 km (0.037 R)
• M17: 3,046,112 km (0.053 R)
• M18: 4,044,079 km (0.091 R)
• M19: 4,460,709 km (0.104 R)
• M20: 4,674,185 km (0.091 R)
• M21: 5,210,195 km (0.119 R)
• M22: 5,334,810 km (0.101 R)
• M23: 5,410,057 km (0.092 R)
• M24: 5,612,613 km (0.101 R)
• M25: 5,791,682 km (0.085 R)
• M26: 6,208,461 km (0.098 R)
• M27: 6,287,748 km (0.092 R)
• M28: 6,906,485 km (0.055 R)
• M29: 7,071,192 km (0.063 R)
• M30: 7,181,595 km (0.087 R)
• M31: 7,320,572 km (0.055 R)
• M32: 7,488,421 km (0.042 R)
• M33: 7,885,304 km (0.115 R)
• M34: 9,146,713 km (0.118 R)
• M35: 9,662,676 km (0.098 R)
• M36: 9,785,346 km (0.111 R)
• M37: 9,877,798 km (0.087 R)
• M38: 10,063,598 km (0.079 R)
• M39: 11,590,993 km (0.102 R)
• M40: 11,786,966 km (0.045 R)
• M41: 12,116,081 km (0.069 R)
• M42: 12,315,046 km (0.065 R)
• M43: 12,581,929 km (0.119 R)
• M44: 13,291,771 km (0.081 R)
• M45: 13,979,921 km (0.119 R)
• M46: 14,679,590 km (0.098 R)
• M47: 15,319,271 km (0.105 R)
• M48: 15,498,489 km (0.09 R)
• M49: 16,149,689 km (0.091 R)
• M50: 16,441,853 km (0.062 R)
• M51: 16,735,963 km (0.098 R)
• M52: 17,217,518 km (0.081 R)
• M53: 18,422,230 km (0.05 R)
• M54: 18,651,115 km (0.086 R)
• M55: 18,881,046 km (0.06 R)
• M56: 19,111,876 km (0.074 R)
• M57: 19,654,019 km (0.091 R)
• M58: 20,555,795 km (0.111 R)
• M59: 20,674,426 km (0.118 R)
• M60: 20,952,079 km (0.114 R)
• M61: 21,913,395 km (0.076 R)
• M62: 22,237,125 km (0.07 R)
• M63: 22,440,279 km (0.114 R)
• M64: 22,521,660 km (0.068 R)
• M65: 22,848,232 km (0.066 R)
• M66: 25,305,377 km (0.117 R)
• M67: 25,559,843 km (0.073 R)
• M68: 25,644,965 km (0.099 R)
• M69: 26,586,683 km (0.079 R)
• M70: 26,888,572 km (0.089 R)
• M71: 27,670,370 km (0.11 R)
• M72: 28,592,043 km (0.114 R)
• M73: 28,680,305 km (0.075 R)
• M74: 28,989,973 km (0.097 R)
• M75: 29,123,115 km (0.095 R)
• M76: 30,060,495 km (0.116 R)

Kuiper Belt

Range: 31.1 - 61.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 449 - 17,678 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit