🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.72 AU - 0.86 AU

Year: 246 Days

Day: 27.6 Hours

Environment

Temp: 193 °C

Axial Tilt: 20.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.95 AU - 1.09 AU

Year: 360 Days

Day: 38.3 Hours

Environment

Temp: 122 °C

Axial Tilt: 33.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.37 AU - 1.59 AU

Year: 630 Days

Day: 44.3 Hours

Environment

Temp: -11 °C

Axial Tilt: 18.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 75,365,394 km

• M1: 559,795 km (0.1 R)
• M2: 858,243 km (0.092 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.82 AU - 1.92 AU

Year: 895 Days

Day: 14 Hours

Environment

Temp: -48 °C

Axial Tilt: 39 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,365,394 km

• M1: 576,251 km (0.095 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 4.04 AU - 5.74 AU

Year: 3783 Days

Day: 16.9 Hours

Environment

Temp: -131 °C

Axial Tilt: 33.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.63 AU - 5.27 AU

Year: 3853 Days

Day: 16.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 8.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.73 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.5

Radius: 9.7

Gravity: 9.99 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 6.6 AU - 10.4 AU

Year: 8670 Days

Day: 8.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,365,394 km

• M1: 121,025 km (0.032 R)
• M2: 875,297 km (0.098 R)
• M3: 1,192,295 km (0.05 R)
• M4: 1,573,470 km (0.101 R)
• M5: 1,920,238 km (0.051 R)
• M6: 2,430,965 km (0.094 R)
• M7: 3,907,496 km (0.093 R)
• M8: 5,071,667 km (0.113 R)
• M9: 6,912,170 km (0.072 R)
• M10: 7,311,596 km (0.113 R)
• M11: 7,684,095 km (0.078 R)
• M12: 9,691,698 km (0.094 R)
• M13: 10,449,710 km (0.09 R)
• M14: 12,198,210 km (0.057 R)
• M15: 13,081,586 km (0.062 R)
• M16: 13,569,724 km (0.097 R)
• M17: 15,919,009 km (0.079 R)
• M18: 16,687,792 km (0.117 R)
• M19: 18,679,837 km (0.114 R)
• M20: 20,254,056 km (0.074 R)
• M21: 22,000,162 km (0.06 R)
• M22: 22,866,035 km (0.112 R)
• M23: 23,844,554 km (0.079 R)
• M24: 28,443,193 km (0.107 R)
• M25: 29,888,308 km (0.106 R)
• M26: 32,589,597 km (0.117 R)
• M27: 33,714,274 km (0.097 R)
• M28: 35,097,755 km (0.102 R)
• M29: 37,000,939 km (0.088 R)
• M30: 38,597,148 km (0.113 R)
• M31: 38,971,891 km (0.118 R)
• M32: 43,256,075 km (0.093 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.4

Radius: 13.5

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 8.75 AU - 9.17 AU

Year: 9383 Days

Day: 7.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,365,394 km

• M1: 169,046 km (0.118 R)
• M2: 652,396 km (0.092 R)
• M3: 1,296,116 km (0.093 R)
• M4: 1,751,941 km (0.081 R)
• M5: 2,331,932 km (0.112 R)
• M6: 6,260,820 km (0.095 R)
• M7: 12,043,825 km (0.118 R)
• M8: 12,537,199 km (0.039 R)
• M9: 13,830,174 km (0.08 R)
• M10: 14,481,523 km (0.081 R)
• M11: 15,039,822 km (0.118 R)
• M12: 19,292,740 km (0.085 R)
• M13: 20,106,403 km (0.099 R)
• M14: 24,054,440 km (0.111 R)
• M15: 29,192,528 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 935.2

Radius: 3.6

Gravity: 72.16 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 12.35 AU - 14.15 AU

Year: 16873 Days

Day: 18.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 75,365,394 km

• M1: 44,879 km (0.056 R)
• M2: 159,322 km (0.096 R)
• M3: 521,648 km (0.109 R)
• M4: 674,836 km (0.101 R)
• M5: 1,152,502 km (0.027 R)
• M6: 1,446,462 km (0.1 R)
• M7: 1,628,373 km (0.11 R)
• M8: 1,881,792 km (0.059 R)
• M9: 2,801,071 km (0.092 R)
• M10: 3,707,334 km (0.095 R)
• M11: 4,722,057 km (0.079 R)
• M12: 5,625,179 km (0.084 R)
• M13: 6,504,665 km (0.101 R)
• M14: 9,687,659 km (0.067 R)
• M15: 10,332,875 km (0.091 R)
• M16: 12,713,425 km (0.101 R)
• M17: 14,289,289 km (0.07 R)
• M18: 14,438,738 km (0.112 R)
• M19: 16,151,933 km (0.097 R)
• M20: 18,522,012 km (0.105 R)
• M21: 19,605,100 km (0.066 R)
• M22: 21,896,640 km (0.119 R)
• M23: 22,698,485 km (0.104 R)
• M24: 23,209,362 km (0.1 R)
• M25: 25,439,417 km (0.101 R)
• M26: 26,775,625 km (0.105 R)
• M27: 27,002,864 km (0.085 R)
• M28: 34,834,612 km (0.108 R)
• M29: 38,033,314 km (0.119 R)
• M30: 41,422,454 km (0.12 R)
• M31: 45,328,454 km (0.083 R)
• M32: 48,120,249 km (0.069 R)
• M33: 50,850,560 km (0.091 R)
• M34: 51,724,361 km (0.107 R)
• M35: 52,430,763 km (0.079 R)
• M36: 60,629,474 km (0.068 R)
• M37: 61,217,693 km (0.109 R)

Kuiper Belt

Range: 31.4 - 56.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 10,905 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit