🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.59 AU - 0.75 AU

Year: 208 Days

Day: 41.5 Hours

Environment

Temp: 193 °C

Axial Tilt: 19.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 45,386,017 km

• M1: 360,082 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.91 AU - 1.35 AU

Year: 455 Days

Day: 33.8 Hours

Environment

Temp: -13 °C

Axial Tilt: 34 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 45,386,017 km

• M1: 100,679 km (0.046 R)
• M2: 890,556 km (0.118 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.1 AU - 1.84 AU

Year: 675 Days

Day: 15.3 Hours

Environment

Temp: -38 °C

Axial Tilt: 29.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.5 AU - 2.28 AU

Year: 984 Days

Day: 14.5 Hours

Environment

Temp: -72 °C

Axial Tilt: 33.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.51 AU - 4.23 AU

Year: 2883 Days

Day: 17.9 Hours

Environment

Temp: -134 °C

Axial Tilt: 2.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.43 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.7

Radius: 10.9

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 4.25 AU - 5.71 AU

Year: 4209 Days

Day: 12.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,386,017 km

• M1: 135,835 km (0.104 R)
• M2: 476,469 km (0.113 R)
• M3: 988,842 km (0.05 R)
• M4: 1,522,009 km (0.114 R)
• M5: 1,950,906 km (0.062 R)
• M6: 2,294,383 km (0.063 R)
• M7: 2,785,213 km (0.104 R)
• M8: 3,190,175 km (0.087 R)
• M9: 4,367,809 km (0.077 R)
• M10: 4,894,394 km (0.119 R)
• M11: 5,340,943 km (0.094 R)
• M12: 5,970,002 km (0.057 R)
• M13: 7,226,325 km (0.107 R)
• M14: 9,809,282 km (0.12 R)
• M15: 11,307,953 km (0.11 R)
• M16: 11,756,897 km (0.047 R)
• M17: 12,217,808 km (0.111 R)
• M18: 12,909,698 km (0.101 R)
• M19: 13,265,442 km (0.1 R)
• M20: 15,389,432 km (0.094 R)
• M21: 16,402,659 km (0.059 R)
• M22: 18,958,239 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270

Radius: 10.6

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.81 AU - 6.13 AU

Year: 4845 Days

Day: 12.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,386,017 km

• M1: 131,945 km (0.111 R)
• M2: 541,993 km (0.073 R)
• M3: 978,819 km (0.041 R)
• M4: 1,672,055 km (0.047 R)
• M5: 2,135,061 km (0.092 R)
• M6: 2,793,291 km (0.116 R)
• M7: 3,562,823 km (0.075 R)
• M8: 5,071,368 km (0.103 R)
• M9: 5,727,953 km (0.08 R)
• M10: 6,847,992 km (0.068 R)
• M11: 7,397,166 km (0.101 R)
• M12: 9,666,266 km (0.067 R)
• M13: 10,358,007 km (0.078 R)
• M14: 11,082,360 km (0.095 R)
• M15: 13,179,722 km (0.1 R)
• M16: 15,170,122 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239.2

Radius: 3.4

Gravity: 20.69 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 10.16 AU - 16.24 AU

Year: 18164 Days

Day: 20.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 45,386,017 km

• M1: 44,580 km (0.055 R)
• M2: 177,124 km (0.05 R)
• M3: 1,279,511 km (0.087 R)
• M4: 1,998,328 km (0.055 R)
• M5: 2,423,934 km (0.064 R)
• M6: 2,732,555 km (0.117 R)
• M7: 3,477,403 km (0.075 R)
• M8: 3,735,459 km (0.116 R)
• M9: 4,648,006 km (0.076 R)
• M10: 7,474,658 km (0.086 R)
• M11: 8,169,689 km (0.092 R)
• M12: 8,578,989 km (0.095 R)
• M13: 9,242,755 km (0.101 R)
• M14: 10,458,986 km (0.107 R)
• M15: 10,832,831 km (0.066 R)
• M16: 12,776,556 km (0.115 R)
• M17: 13,080,688 km (0.119 R)
• M18: 14,280,613 km (0.085 R)
• M19: 15,552,045 km (0.078 R)
• M20: 19,254,293 km (0.106 R)
• M21: 21,564,084 km (0.095 R)
• M22: 21,995,076 km (0.085 R)
• M23: 26,038,557 km (0.112 R)
• M24: 27,927,828 km (0.077 R)
• M25: 33,103,765 km (0.119 R)
• M26: 44,601,259 km (0.1 R)
• M27: 45,300,330 km (0.076 R)
• M28: 45,441,101 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 91.4

Radius: 6.8

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 13.6 AU - 19.26 AU

Year: 25223 Days

Day: 15.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,386,017 km

• M1: 86,916 km (0.099 R)
• M2: 390,450 km (0.097 R)
• M3: 946,805 km (0.081 R)
• M4: 1,200,822 km (0.068 R)
• M5: 1,757,326 km (0.046 R)
• M6: 2,550,793 km (0.11 R)
• M7: 7,870,942 km (0.108 R)
• M8: 13,167,904 km (0.091 R)
• M9: 18,367,477 km (0.042 R)
• M10: 22,419,934 km (0.087 R)
• M11: 24,698,608 km (0.052 R)
• M12: 26,839,204 km (0.1 R)
• M13: 27,417,251 km (0.115 R)
• M14: 29,302,782 km (0.115 R)
• M15: 39,417,543 km (0.119 R)
• M16: 41,557,989 km (0.071 R)
• M17: 44,844,505 km (0.103 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 371 - 18,720 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit