🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.47 AU - 0.75 AU

Year: 166 Days

Day: 16.7 Hours

Environment

Temp: 250 °C

Axial Tilt: 44.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.74 AU - 1.94 AU

Year: 869 Days

Day: 17.5 Hours

Environment

Temp: -33 °C

Axial Tilt: 9.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.56 AU - 2.26 AU

Year: 919 Days

Day: 17.5 Hours

Environment

Temp: -53 °C

Axial Tilt: 21.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.75 AU - 2.27 AU

Year: 992 Days

Day: 23.1 Hours

Environment

Temp: -56 °C

Axial Tilt: 28.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 54,790,346 km

• M1: 17,952 km (0.106 R)
• M2: 540,796 km (0.039 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 4.75 AU - 5.03 AU

Year: 3766 Days

Day: 46.4 Hours

Environment

Temp: -117 °C

Axial Tilt: 27.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,790,346 km

• M1: 880,832 km (0.033 R)

Asteroid Belt

Center: 5.84 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.8

Radius: 13.3

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 6.79 AU - 6.79 AU

Year: 6162 Days

Day: 8.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,790,346 km

• M1: 165,605 km (0.087 R)
• M2: 854,952 km (0.113 R)
• M3: 1,507,049 km (0.095 R)
• M4: 2,685,431 km (0.095 R)
• M5: 3,734,262 km (0.076 R)
• M6: 4,876,143 km (0.089 R)
• M7: 5,968,805 km (0.115 R)
• M8: 6,949,719 km (0.09 R)
• M9: 8,739,358 km (0.098 R)
• M10: 10,155,601 km (0.026 R)
• M11: 11,510,659 km (0.108 R)
• M12: 12,537,498 km (0.062 R)
• M13: 13,164,313 km (0.084 R)
• M14: 14,048,138 km (0.086 R)
• M15: 14,675,402 km (0.065 R)
• M16: 16,669,990 km (0.1 R)
• M17: 19,248,160 km (0.085 R)
• M18: 20,143,353 km (0.061 R)
• M19: 20,570,605 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435

Radius: 15

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 10.84 AU - 11.4 AU

Year: 12914 Days

Day: 5.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,790,346 km

• M1: 186,549 km (0.051 R)
• M2: 748,438 km (0.064 R)
• M3: 1,221,018 km (0.114 R)
• M4: 1,781,411 km (0.075 R)
• M5: 2,632,025 km (0.1 R)
• M6: 3,615,182 km (0.119 R)
• M7: 4,276,255 km (0.108 R)
• M8: 8,507,033 km (0.114 R)
• M9: 10,387,328 km (0.1 R)
• M10: 11,071,738 km (0.079 R)
• M11: 11,618,668 km (0.043 R)
• M12: 13,863,683 km (0.119 R)
• M13: 16,106,006 km (0.1 R)
• M14: 29,344,370 km (0.116 R)
• M15: 45,436,912 km (0.034 R)
• M16: 46,276,605 km (0.107 R)
• M17: 47,412,203 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129

Radius: 5.6

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 14.23 AU - 23.17 AU

Year: 28162 Days

Day: 19.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,790,346 km

• M1: 69,862 km (0.102 R)
• M2: 261,796 km (0.104 R)
• M3: 527,332 km (0.066 R)
• M4: 752,926 km (0.088 R)
• M5: 955,781 km (0.029 R)
• M6: 1,232,686 km (0.1 R)
• M7: 1,503,159 km (0.098 R)
• M8: 3,704,791 km (0.091 R)
• M9: 4,123,815 km (0.103 R)
• M10: 6,008,598 km (0.032 R)
• M11: 7,285,715 km (0.092 R)
• M12: 11,308,103 km (0.095 R)
• M13: 12,490,225 km (0.082 R)
• M14: 14,821,559 km (0.114 R)
• M15: 15,028,004 km (0.106 R)
• M16: 21,269,526 km (0.067 R)
• M17: 22,333,765 km (0.115 R)
• M18: 22,605,285 km (0.079 R)
• M19: 25,937,728 km (0.091 R)
• M20: 29,692,335 km (0.113 R)
• M21: 33,912,790 km (0.112 R)
• M22: 37,487,581 km (0.095 R)
• M23: 38,646,067 km (0.083 R)
• M24: 40,094,174 km (0.086 R)
• M25: 42,264,540 km (0.111 R)
• M26: 43,519,068 km (0.098 R)

Kuiper Belt

Range: 31.5 - 57.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 191 - 19,807 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit