🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.6 AU - 0.62 AU

Year: 174 Days

Day: 20.2 Hours

Environment

Temp: 196 °C

Axial Tilt: 22.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 65,011,197 km

• M1: 261,946 km (0.106 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.65 AU - 0.65 AU

Year: 191 Days

Day: 33.1 Hours

Environment

Temp: 187 °C

Axial Tilt: 31.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.96 AU - 1.32 AU

Year: 445 Days

Day: 38.7 Hours

Environment

Temp: 19 °C

Axial Tilt: 18.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.45

Radius: 1.16

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.24 AU - 1.42 AU

Year: 560 Days

Day: 44.6 Hours

Environment

Temp: -20 °C

Axial Tilt: 7.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.51 AU - 1.95 AU

Year: 831 Days

Day: 20.6 Hours

Environment

Temp: -62 °C

Axial Tilt: 37 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.74 AU - 1.92 AU

Year: 904 Days

Day: 41.8 Hours

Environment

Temp: -55 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.8

Radius: 14.3

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 4.39 AU - 5.63 AU

Year: 4096 Days

Day: 13.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,011,197 km

• M1: 177,872 km (0.077 R)
• M2: 776,563 km (0.116 R)
• M3: 1,223,561 km (0.116 R)
• M4: 1,968,708 km (0.113 R)
• M5: 2,656,409 km (0.095 R)
• M6: 5,363,981 km (0.094 R)
• M7: 5,897,148 km (0.1 R)
• M8: 7,202,838 km (0.114 R)
• M9: 8,103,118 km (0.084 R)
• M10: 9,194,285 km (0.071 R)
• M11: 11,714,560 km (0.087 R)
• M12: 12,470,927 km (0.059 R)
• M13: 14,665,528 km (0.053 R)
• M14: 16,810,014 km (0.078 R)
• M15: 21,019,698 km (0.117 R)
• M16: 22,208,402 km (0.052 R)
• M17: 25,181,660 km (0.119 R)
• M18: 25,964,655 km (0.062 R)
• M19: 26,763,657 km (0.099 R)
• M20: 27,251,047 km (0.069 R)
• M21: 27,744,272 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.4

Radius: 10.2

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 5.71 AU - 9.07 AU

Year: 7338 Days

Day: 13.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,011,197 km

• M1: 126,859 km (0.055 R)
• M2: 645,216 km (0.099 R)
• M3: 1,032,225 km (0.092 R)
• M4: 1,399,338 km (0.103 R)
• M5: 1,795,922 km (0.116 R)
• M6: 2,133,864 km (0.117 R)
• M7: 2,460,137 km (0.04 R)
• M8: 3,742,640 km (0.053 R)
• M9: 4,489,582 km (0.067 R)
• M10: 4,913,243 km (0.114 R)
• M11: 5,907,171 km (0.117 R)
• M12: 7,029,903 km (0.099 R)
• M13: 8,372,694 km (0.106 R)
• M14: 9,373,354 km (0.067 R)
• M15: 13,887,021 km (0.094 R)
• M16: 16,777,551 km (0.107 R)
• M17: 19,376,365 km (0.032 R)
• M18: 20,655,876 km (0.055 R)
• M19: 26,340,744 km (0.119 R)
• M20: 26,887,524 km (0.085 R)
• M21: 34,159,627 km (0.118 R)
• M22: 37,493,864 km (0.119 R)
• M23: 37,954,177 km (0.049 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 318.1

Radius: 5.3

Gravity: 11.32 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 14.97 AU - 16.85 AU

Year: 23179 Days

Day: 19.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 65,011,197 km

• M1: 66,122 km (0.102 R)
• M2: 285,134 km (0.068 R)
• M3: 457,470 km (0.104 R)
• M4: 898,036 km (0.104 R)
• M5: 1,194,240 km (0.104 R)
• M6: 2,000,722 km (0.072 R)
• M7: 2,551,541 km (0.12 R)
• M8: 2,732,854 km (0.113 R)
• M9: 3,801,132 km (0.114 R)
• M10: 4,775,164 km (0.097 R)
• M11: 5,301,898 km (0.075 R)
• M12: 11,904,400 km (0.089 R)
• M13: 13,815,363 km (0.116 R)
• M14: 14,952,756 km (0.111 R)
• M15: 19,774,445 km (0.109 R)
• M16: 21,308,422 km (0.083 R)
• M17: 24,610,944 km (0.066 R)
• M18: 24,815,145 km (0.108 R)
• M19: 29,255,958 km (0.097 R)
• M20: 32,575,385 km (0.096 R)
• M21: 33,069,058 km (0.116 R)
• M22: 36,401,201 km (0.091 R)
• M23: 37,066,762 km (0.096 R)
• M24: 38,421,969 km (0.094 R)
• M25: 52,642,892 km (0.116 R)
• M26: 53,836,384 km (0.044 R)
• M27: 61,004,964 km (0.063 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 449 - 18,959 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit