🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.44 AU - 0.64 AU

Year: 144 Days

Day: 33.9 Hours

Environment

Temp: 186 °C

Axial Tilt: 33.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.47 AU - 0.73 AU

Year: 168 Days

Day: 39.9 Hours

Environment

Temp: 203 °C

Axial Tilt: 41.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.58 AU - 0.72 AU

Year: 190 Days

Day: 30.9 Hours

Environment

Temp: 216 °C

Axial Tilt: 19.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.95 AU - 1.25 AU

Year: 417 Days

Day: 25 Hours

Environment

Temp: 26 °C

Axial Tilt: 29.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.6 AU - 1.98 AU

Year: 866 Days

Day: 32.1 Hours

Environment

Temp: -46 °C

Axial Tilt: 2.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 3.31 AU - 3.55 AU

Year: 2297 Days

Day: 34.7 Hours

Environment

Temp: -101 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 89,984,591 km

• M1: 102,175 km (0.063 R)

Asteroid Belt

Center: 8.57 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 13.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 520.9

Radius: 3.5

Gravity: 42.52 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 12.04 AU - 15.36 AU

Year: 18339 Days

Day: 16.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 89,984,591 km

• M1: 43,533 km (0.117 R)
• M2: 171,439 km (0.045 R)
• M3: 282,740 km (0.119 R)
• M4: 406,757 km (0.047 R)
• M5: 544,387 km (0.102 R)
• M6: 779,704 km (0.111 R)
• M7: 1,361,789 km (0.106 R)
• M8: 2,150,021 km (0.049 R)
• M9: 2,419,147 km (0.061 R)
• M10: 2,804,212 km (0.028 R)
• M11: 3,023,971 km (0.074 R)
• M12: 3,228,920 km (0.1 R)
• M13: 3,695,067 km (0.098 R)
• M14: 4,427,349 km (0.084 R)
• M15: 5,288,135 km (0.104 R)
• M16: 6,052,580 km (0.045 R)
• M17: 6,587,393 km (0.031 R)
• M18: 6,888,084 km (0.11 R)
• M19: 8,681,912 km (0.06 R)
• M20: 9,631,111 km (0.103 R)
• M21: 11,181,543 km (0.053 R)
• M22: 11,733,260 km (0.07 R)
• M23: 14,985,368 km (0.106 R)
• M24: 17,296,057 km (0.057 R)
• M25: 18,705,568 km (0.1 R)
• M26: 26,695,890 km (0.092 R)
• M27: 27,458,390 km (0.092 R)
• M28: 33,708,439 km (0.065 R)
• M29: 37,498,950 km (0.107 R)
• M30: 42,587,073 km (0.071 R)
• M31: 43,777,124 km (0.12 R)
• M32: 43,927,320 km (0.078 R)
• M33: 47,797,268 km (0.092 R)
• M34: 52,733,698 km (0.109 R)
• M35: 54,799,645 km (0.111 R)
• M36: 62,455,166 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 627

Radius: 5.6

Gravity: 19.99 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 14.3 AU - 21.06 AU

Year: 26885 Days

Day: 19.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 89,984,591 km

• M1: 69,713 km (0.096 R)
• M2: 300,841 km (0.075 R)
• M3: 559,795 km (0.098 R)
• M4: 757,115 km (0.079 R)
• M5: 950,844 km (0.057 R)
• M6: 1,163,572 km (0.052 R)
• M7: 1,508,545 km (0.095 R)
• M8: 3,156,216 km (0.105 R)
• M9: 3,359,968 km (0.109 R)
• M10: 3,729,924 km (0.107 R)
• M11: 4,587,269 km (0.115 R)
• M12: 5,738,275 km (0.084 R)
• M13: 6,131,568 km (0.061 R)
• M14: 7,268,512 km (0.101 R)
• M15: 7,939,757 km (0.1 R)
• M16: 8,707,942 km (0.12 R)
• M17: 9,464,608 km (0.086 R)
• M18: 11,376,619 km (0.093 R)
• M19: 14,947,819 km (0.111 R)
• M20: 16,201,001 km (0.109 R)
• M21: 17,342,283 km (0.095 R)
• M22: 20,984,542 km (0.096 R)
• M23: 26,991,794 km (0.107 R)
• M24: 28,466,680 km (0.102 R)
• M25: 30,124,224 km (0.107 R)
• M26: 31,979,986 km (0.113 R)
• M27: 35,192,001 km (0.101 R)
• M28: 46,106,064 km (0.093 R)
• M29: 53,362,608 km (0.073 R)
• M30: 56,268,845 km (0.105 R)
• M31: 56,466,315 km (0.112 R)
• M32: 58,668,545 km (0.095 R)
• M33: 60,099,299 km (0.1 R)
• M34: 60,927,323 km (0.101 R)
• M35: 65,836,377 km (0.086 R)
• M36: 67,826,927 km (0.049 R)
• M37: 82,132,522 km (0.112 R)
• M38: 83,408,143 km (0.11 R)

Kuiper Belt

Range: 30.3 - 49.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 337 - 18,150 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit