🌌 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: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.52 AU - 0.76 AU

Year: 187 Days

Day: 17.5 Hours

Environment

Temp: 181 °C

Axial Tilt: 35.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 52,678,659 km

• M1: 20,944 km (0.073 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.59 AU - 0.71 AU

Year: 191 Days

Day: 17.8 Hours

Environment

Temp: 137 °C

Axial Tilt: 104.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.6 AU - 0.86 AU

Year: 228 Days

Day: 46.4 Hours

Environment

Temp: 187 °C

Axial Tilt: 39.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.76 AU - 0.98 AU

Year: 296 Days

Day: 25.1 Hours

Environment

Temp: 135 °C

Axial Tilt: 21.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 52,678,659 km

• M1: 658,231 km (0.106 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.54 AU - 2.02 AU

Year: 867 Days

Day: 12.3 Hours

Environment

Temp: -61 °C

Axial Tilt: 12.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 52,678,659 km

• M1: 166,502 km (0.045 R)
• M2: 360,232 km (0.089 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.63 AU - 2.67 AU

Year: 1151 Days

Day: 12.9 Hours

Environment

Temp: -69 °C

Axial Tilt: 27.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 52,678,659 km

• M1: 449,691 km (0.046 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.06 AU - 2.82 AU

Year: 1392 Days

Day: 38.4 Hours

Environment

Temp: -83 °C

Axial Tilt: 5.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 10.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.5

Radius: 8.6

Gravity: 7.56 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 8.42 AU - 12.94 AU

Year: 12748 Days

Day: 10.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 52,678,659 km

• M1: 144,512 km (0.055 R)
• M2: 302,487 km (0.089 R)
• M3: 393,891 km (0.079 R)
• M4: 451,187 km (0.052 R)
• M5: 527,482 km (0.027 R)
• M6: 592,108 km (0.099 R)
• M7: 677,230 km (0.065 R)
• M8: 978,220 km (0.088 R)
• M9: 1,059,751 km (0.116 R)
• M10: 1,296,565 km (0.102 R)
• M11: 1,479,373 km (0.088 R)
• M12: 1,646,325 km (0.1 R)
• M13: 1,769,444 km (0.112 R)
• M14: 3,284,122 km (0.093 R)
• M15: 3,377,322 km (0.079 R)
• M16: 3,471,568 km (0.098 R)
• M17: 4,392,343 km (0.034 R)
• M18: 4,703,656 km (0.094 R)
• M19: 4,915,337 km (0.088 R)
• M20: 5,022,300 km (0.09 R)
• M21: 6,996,393 km (0.116 R)
• M22: 7,076,578 km (0.091 R)
• M23: 7,979,700 km (0.115 R)
• M24: 8,530,370 km (0.048 R)
• M25: 9,049,474 km (0.051 R)
• M26: 9,268,785 km (0.105 R)
• M27: 9,668,062 km (0.089 R)
• M28: 10,209,157 km (0.107 R)
• M29: 11,086,100 km (0.043 R)
• M30: 11,415,215 km (0.112 R)
• M31: 12,131,191 km (0.089 R)
• M32: 12,616,636 km (0.092 R)
• M33: 13,857,999 km (0.11 R)
• M34: 14,621,397 km (0.099 R)
• M35: 14,827,243 km (0.116 R)
• M36: 14,982,376 km (0.117 R)
• M37: 15,241,929 km (0.08 R)
• M38: 15,450,618 km (0.078 R)
• M39: 15,976,753 km (0.113 R)
• M40: 16,348,504 km (0.09 R)
• M41: 16,669,392 km (0.073 R)
• M42: 17,317,450 km (0.108 R)
• M43: 18,083,839 km (0.101 R)
• M44: 18,139,041 km (0.118 R)
• M45: 19,141,796 km (0.093 R)
• M46: 19,310,542 km (0.113 R)
• M47: 20,219,499 km (0.044 R)
• M48: 20,276,795 km (0.099 R)
• M49: 21,726,099 km (0.106 R)
• M50: 21,961,117 km (0.119 R)
• M51: 22,020,059 km (0.1 R)
• M52: 22,433,697 km (0.109 R)
• M53: 23,750,308 km (0.1 R)
• M54: 25,030,417 km (0.043 R)
• M55: 26,145,369 km (0.061 R)
• M56: 27,023,659 km (0.083 R)
• M57: 28,103,157 km (0.081 R)
• M58: 28,809,259 km (0.118 R)
• M59: 29,651,196 km (0.048 R)
• M60: 29,716,271 km (0.114 R)
• M61: 31,359,154 km (0.088 R)
• M62: 32,091,436 km (0.088 R)
• M63: 32,292,047 km (0.098 R)
• M64: 33,369,301 km (0.101 R)
• M65: 33,504,837 km (0.099 R)
• M66: 33,912,341 km (0.086 R)
• M67: 34,458,374 km (0.047 R)
• M68: 34,801,102 km (0.096 R)
• M69: 35,628,229 km (0.085 R)
• M70: 35,697,343 km (0.079 R)
• M71: 36,392,076 km (0.098 R)
• M72: 37,442,402 km (0.099 R)
• M73: 37,583,174 km (0.065 R)
• M74: 37,653,634 km (0.11 R)
• M75: 40,436,005 km (0.102 R)
• M76: 41,961,455 km (0.106 R)
• M77: 42,767,937 km (0.083 R)
• M78: 43,431,703 km (0.117 R)
• M79: 44,098,760 km (0.073 R)
• M80: 44,694,608 km (0.116 R)
• M81: 46,725,100 km (0.117 R)
• M82: 47,789,788 km (0.113 R)
• M83: 49,865,458 km (0.117 R)
• M84: 51,187,455 km (0.068 R)
• M85: 51,892,061 km (0.095 R)
• M86: 52,363,593 km (0.045 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 509 - 13,865 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit