🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.57 AU - 0.73 AU

Year: 196 Days

Day: 34.3 Hours

Environment

Temp: 152 °C

Axial Tilt: 19.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.88 AU - 0.94 AU

Year: 325 Days

Day: 46.8 Hours

Environment

Temp: 20 °C

Axial Tilt: 9.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.31 AU - 1.53 AU

Year: 634 Days

Day: 30.1 Hours

Environment

Temp: -34 °C

Axial Tilt: 19.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.65 AU - 2.99 AU

Year: 1775 Days

Day: 21.8 Hours

Environment

Temp: -96 °C

Axial Tilt: 0.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.6 AU - 3.46 AU

Year: 1976 Days

Day: 32.3 Hours

Environment

Temp: -118 °C

Axial Tilt: 12.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.2

Radius: 13.2

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 6.09 AU - 6.63 AU

Year: 6011 Days

Day: 14.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,826,958 km

• M1: 164,109 km (0.12 R)
• M2: 589,565 km (0.111 R)
• M3: 1,034,619 km (0.05 R)
• M4: 1,762,861 km (0.105 R)
• M5: 2,521,323 km (0.059 R)
• M6: 3,239,691 km (0.062 R)
• M7: 3,854,389 km (0.107 R)
• M8: 6,626,138 km (0.05 R)
• M9: 7,554,094 km (0.069 R)
• M10: 8,824,479 km (0.102 R)
• M11: 11,383,500 km (0.03 R)
• M12: 12,618,730 km (0.086 R)
• M13: 14,094,214 km (0.117 R)
• M14: 18,404,128 km (0.097 R)
• M15: 20,363,561 km (0.104 R)
• M16: 20,824,622 km (0.099 R)
• M17: 22,950,857 km (0.097 R)
• M18: 23,884,198 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.9

Radius: 10.1

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 6.42 AU - 7.62 AU

Year: 6970 Days

Day: 8.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,826,958 km

• M1: 127,158 km (0.052 R)
• M2: 836,850 km (0.034 R)
• M3: 1,310,627 km (0.096 R)
• M4: 1,802,505 km (0.083 R)
• M5: 2,331,034 km (0.076 R)
• M6: 3,019,184 km (0.092 R)
• M7: 3,347,252 km (0.092 R)
• M8: 4,248,729 km (0.114 R)
• M9: 4,635,888 km (0.079 R)
• M10: 5,046,535 km (0.064 R)
• M11: 5,878,299 km (0.107 R)
• M12: 7,366,498 km (0.069 R)
• M13: 9,007,587 km (0.105 R)
• M14: 10,229,054 km (0.09 R)
• M15: 11,361,210 km (0.06 R)
• M16: 12,627,257 km (0.12 R)
• M17: 15,923,048 km (0.079 R)
• M18: 17,116,839 km (0.088 R)
• M19: 17,636,991 km (0.07 R)
• M20: 19,681,694 km (0.09 R)
• M21: 29,172,482 km (0.049 R)
• M22: 29,914,787 km (0.07 R)
• M23: 30,385,123 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.6

Radius: 9.6

Gravity: 8.48 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 7.1 AU - 11.38 AU

Year: 10525 Days

Day: 12 Hours

Environment

Temp: -178 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 51,826,958 km

• M1: 123,269 km (0.034 R)
• M2: 520,750 km (0.115 R)
• M3: 1,766,601 km (0.039 R)
• M4: 2,432,761 km (0.089 R)
• M5: 2,781,174 km (0.093 R)
• M6: 3,631,189 km (0.078 R)
• M7: 4,494,070 km (0.091 R)
• M8: 4,894,394 km (0.107 R)
• M9: 6,054,974 km (0.115 R)
• M10: 6,467,116 km (0.084 R)
• M11: 7,100,214 km (0.043 R)
• M12: 7,644,451 km (0.06 R)
• M13: 10,104,139 km (0.094 R)
• M14: 12,502,492 km (0.108 R)
• M15: 15,325,554 km (0.089 R)
• M16: 17,253,870 km (0.103 R)
• M17: 17,779,109 km (0.076 R)
• M18: 18,392,460 km (0.114 R)
• M19: 19,580,417 km (0.087 R)
• M20: 21,328,468 km (0.095 R)
• M21: 22,728,255 km (0.077 R)
• M22: 23,178,096 km (0.087 R)
• M23: 26,992,692 km (0.107 R)
• M24: 34,286,486 km (0.045 R)
• M25: 34,640,733 km (0.064 R)
• M26: 37,438,513 km (0.08 R)
• M27: 38,956,333 km (0.079 R)
• M28: 41,176,365 km (0.079 R)
• M29: 47,457,531 km (0.083 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: 539 - 12,189 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit