🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.5 AU - 0.74 AU

Year: 183 Days

Day: 28.8 Hours

Environment

Temp: 195 °C

Axial Tilt: 10.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.75 AU - 2.25 AU

Year: 1060 Days

Day: 28.3 Hours

Environment

Temp: -81 °C

Axial Tilt: 8.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,033,466 km

• M1: 495,169 km (0.101 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.07 AU - 4.09 AU

Year: 2538 Days

Day: 16 Hours

Environment

Temp: -112 °C

Axial Tilt: 29.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,033,466 km

• M1: 1,282,353 km (0.108 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.81 AU - 4.39 AU

Year: 2560 Days

Day: 12.1 Hours

Environment

Temp: -120 °C

Axial Tilt: 14.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,033,466 km

• M1: 1,917,994 km (0.088 R)

Asteroid Belt

Center: 5.94 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.3

Radius: 9.4

Gravity: 8.77 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 7.68 AU - 8.86 AU

Year: 8912 Days

Day: 13.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 84,033,466 km

• M1: 118,930 km (0.071 R)
• M2: 520,301 km (0.119 R)
• M3: 1,005,148 km (0.057 R)
• M4: 1,301,501 km (0.109 R)
• M5: 2,061,608 km (0.106 R)
• M6: 2,530,897 km (0.097 R)
• M7: 3,273,949 km (0.082 R)
• M8: 4,074,597 km (0.105 R)
• M9: 4,378,131 km (0.111 R)
• M10: 5,000,010 km (0.041 R)
• M11: 5,446,709 km (0.116 R)
• M12: 8,528,275 km (0.119 R)
• M13: 9,120,234 km (0.108 R)
• M14: 9,594,011 km (0.098 R)
• M15: 10,386,131 km (0.11 R)
• M16: 11,491,061 km (0.099 R)
• M17: 14,883,791 km (0.099 R)
• M18: 15,275,738 km (0.027 R)
• M19: 16,012,358 km (0.093 R)
• M20: 16,772,464 km (0.032 R)
• M21: 18,141,734 km (0.112 R)
• M22: 18,815,672 km (0.075 R)
• M23: 19,740,187 km (0.096 R)
• M24: 20,694,771 km (0.098 R)
• M25: 21,265,487 km (0.104 R)
• M26: 22,099,196 km (0.117 R)
• M27: 23,566,003 km (0.109 R)
• M28: 29,161,263 km (0.112 R)
• M29: 33,644,112 km (0.081 R)
• M30: 33,980,857 km (0.117 R)
• M31: 34,661,228 km (0.11 R)
• M32: 35,235,086 km (0.118 R)
• M33: 38,811,821 km (0.102 R)
• M34: 40,687,928 km (0.076 R)
• M35: 41,326,412 km (0.083 R)
• M36: 44,350,234 km (0.075 R)
• M37: 45,985,039 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.5

Radius: 14.5

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 11.27 AU - 11.33 AU

Year: 14235 Days

Day: 6.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,033,466 km

• M1: 198,965 km (0.102 R)
• M2: 1,106,127 km (0.116 R)
• M3: 2,399,251 km (0.106 R)
• M4: 4,019,994 km (0.118 R)
• M5: 6,952,711 km (0.043 R)
• M6: 9,157,185 km (0.056 R)
• M7: 10,118,351 km (0.104 R)
• M8: 15,759,388 km (0.086 R)
• M9: 17,858,844 km (0.082 R)
• M10: 25,087,114 km (0.105 R)
• M11: 27,352,774 km (0.104 R)
• M12: 27,939,946 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 509.4

Radius: 4.3

Gravity: 27.55 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 16.99 AU - 17.57 AU

Year: 26918 Days

Day: 16.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 84,033,466 km

• M1: 53,556 km (0.12 R)
• M2: 354,248 km (0.111 R)
• M3: 787,633 km (0.083 R)
• M4: 1,546,543 km (0.119 R)
• M5: 1,762,113 km (0.084 R)
• M6: 2,507,260 km (0.115 R)
• M7: 3,016,940 km (0.068 R)
• M8: 4,341,929 km (0.088 R)
• M9: 4,517,706 km (0.09 R)
• M10: 7,305,163 km (0.039 R)
• M11: 12,769,674 km (0.096 R)
• M12: 14,178,587 km (0.108 R)
• M13: 21,052,460 km (0.085 R)
• M14: 24,307,260 km (0.118 R)
• M15: 30,493,432 km (0.073 R)
• M16: 31,398,798 km (0.035 R)
• M17: 35,482,521 km (0.105 R)
• M18: 42,569,271 km (0.112 R)
• M19: 58,067,461 km (0.064 R)
• M20: 60,058,608 km (0.062 R)
• M21: 61,071,087 km (0.105 R)
• M22: 62,300,931 km (0.115 R)
• M23: 62,714,569 km (0.075 R)
• M24: 64,387,223 km (0.049 R)
• M25: 71,375,837 km (0.088 R)
• M26: 72,283,447 km (0.07 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 16,602 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit