🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.48

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.43 AU - 0.67 AU

Year: 152 Days

Day: 16.4 Hours

Environment

Temp: 190 °C

Axial Tilt: 4.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.59 AU - 0.85 AU

Year: 228 Days

Day: 24.7 Hours

Environment

Temp: 148 °C

Axial Tilt: 48 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 86,687,998 km

• M1: 357,539 km (0.119 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.93 AU - 1.11 AU

Year: 384 Days

Day: 15.4 Hours

Environment

Temp: 3 °C

Axial Tilt: 20.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.21 AU - 2.89 AU

Year: 1518 Days

Day: 23.5 Hours

Environment

Temp: -105 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,687,998 km

• M1: 37,250 km (0.056 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 4.39 AU - 4.55 AU

Year: 3523 Days

Day: 33.9 Hours

Environment

Temp: -126 °C

Axial Tilt: 5.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.17 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.5

Radius: 9.6

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 4.65 AU - 7.07 AU

Year: 5288 Days

Day: 11.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 86,687,998 km

• M1: 119,379 km (0.073 R)
• M2: 427,551 km (0.082 R)
• M3: 854,653 km (0.07 R)
• M4: 1,190,949 km (0.089 R)
• M5: 1,768,247 km (0.092 R)
• M6: 2,416,155 km (0.051 R)
• M7: 3,052,694 km (0.067 R)
• M8: 4,179,615 km (0.062 R)
• M9: 5,431,151 km (0.119 R)
• M10: 5,834,616 km (0.108 R)
• M11: 6,824,056 km (0.109 R)
• M12: 8,910,498 km (0.11 R)
• M13: 10,504,014 km (0.071 R)
• M14: 11,303,615 km (0.103 R)
• M15: 12,097,980 km (0.107 R)
• M16: 13,504,050 km (0.08 R)
• M17: 13,946,411 km (0.105 R)
• M18: 14,756,484 km (0.088 R)
• M19: 17,607,071 km (0.093 R)
• M20: 18,977,687 km (0.087 R)
• M21: 21,728,642 km (0.088 R)
• M22: 23,024,907 km (0.048 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 332.4

Radius: 4.6

Gravity: 15.71 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 13.81 AU - 20.67 AU

Year: 26685 Days

Day: 19.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 86,687,998 km

• M1: 69,862 km (0.119 R)
• M2: 231,428 km (0.044 R)
• M3: 1,045,689 km (0.062 R)
• M4: 1,286,242 km (0.098 R)
• M5: 4,656,683 km (0.054 R)
• M6: 5,498,769 km (0.085 R)
• M7: 5,654,949 km (0.069 R)
• M8: 5,814,121 km (0.103 R)
• M9: 6,225,216 km (0.104 R)
• M10: 6,481,029 km (0.062 R)
• M11: 9,947,510 km (0.066 R)
• M12: 12,909,997 km (0.068 R)
• M13: 17,481,708 km (0.05 R)
• M14: 19,668,230 km (0.083 R)
• M15: 21,737,468 km (0.119 R)
• M16: 25,429,244 km (0.095 R)
• M17: 29,517,904 km (0.117 R)
• M18: 31,717,292 km (0.089 R)
• M19: 32,729,022 km (0.094 R)
• M20: 33,113,937 km (0.09 R)
• M21: 33,892,744 km (0.064 R)
• M22: 38,537,907 km (0.04 R)
• M23: 39,834,921 km (0.097 R)
• M24: 52,666,978 km (0.101 R)
• M25: 67,583,232 km (0.089 R)
• M26: 68,416,043 km (0.105 R)
• M27: 68,625,330 km (0.083 R)
• M28: 68,835,067 km (0.071 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 510.1

Radius: 7.5

Gravity: 9.07 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 13.55 AU - 22.21 AU

Year: 28184 Days

Day: 17.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 86,687,998 km

• M1: 93,199 km (0.081 R)
• M2: 397,332 km (0.106 R)
• M3: 1,973,944 km (0.119 R)
• M4: 2,526,110 km (0.088 R)
• M5: 2,774,143 km (0.118 R)
• M6: 4,408,799 km (0.048 R)
• M7: 4,920,274 km (0.077 R)
• M8: 5,761,014 km (0.076 R)
• M9: 6,327,392 km (0.092 R)
• M10: 8,250,173 km (0.068 R)
• M11: 13,131,701 km (0.091 R)
• M12: 15,546,360 km (0.114 R)
• M13: 19,942,593 km (0.094 R)
• M14: 24,988,978 km (0.049 R)
• M15: 27,926,482 km (0.098 R)
• M16: 29,163,357 km (0.106 R)
• M17: 29,541,391 km (0.065 R)
• M18: 31,086,438 km (0.083 R)
• M19: 33,092,695 km (0.046 R)
• M20: 33,780,097 km (0.114 R)
• M21: 37,509,273 km (0.084 R)
• M22: 37,956,421 km (0.109 R)
• M23: 42,142,618 km (0.073 R)
• M24: 45,773,208 km (0.08 R)
• M25: 46,283,936 km (0.054 R)
• M26: 46,798,403 km (0.114 R)
• M27: 53,461,193 km (0.091 R)
• M28: 62,174,521 km (0.065 R)
• M29: 63,220,808 km (0.109 R)
• M30: 63,854,206 km (0.073 R)
• M31: 76,228,941 km (0.106 R)
• M32: 77,668,372 km (0.117 R)
• M33: 77,910,122 km (0.099 R)
• M34: 78,881,760 km (0.091 R)
• M35: 86,428,524 km (0.112 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 341 - 17,336 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit