🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.59 AU - 0.91 AU

Year: 247 Days

Day: 23.6 Hours

Environment

Temp: 166 °C

Axial Tilt: 28.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 41,557,373 km

• M1: 38,746 km (0.036 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.84 AU - 0.86 AU

Year: 298 Days

Day: 36.4 Hours

Environment

Temp: 25 °C

Axial Tilt: 34.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.79 AU - 0.93 AU

Year: 304 Days

Day: 18.2 Hours

Environment

Temp: 22 °C

Axial Tilt: 9.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.8 AU - 0.94 AU

Year: 309 Days

Day: 14.7 Hours

Environment

Temp: 16 °C

Axial Tilt: 36.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 41,557,373 km

• M1: 219,610 km (0.097 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.81 AU - 1.25 AU

Year: 398 Days

Day: 26.1 Hours

Environment

Temp: 13 °C

Axial Tilt: 34.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 41,557,373 km

• M1: 717,920 km (0.095 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.57 AU - 2.97 AU

Year: 1756 Days

Day: 12.3 Hours

Environment

Temp: -109 °C

Axial Tilt: 90.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.27 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.6

Radius: 9.4

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 5.75 AU - 5.77 AU

Year: 5264 Days

Day: 14.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,557,373 km

• M1: 118,631 km (0.047 R)
• M2: 519,703 km (0.036 R)
• M3: 929,601 km (0.087 R)
• M4: 2,465,822 km (0.11 R)
• M5: 3,054,938 km (0.043 R)
• M6: 3,472,765 km (0.099 R)
• M7: 4,788,777 km (0.119 R)
• M8: 5,233,682 km (0.042 R)
• M9: 5,559,356 km (0.066 R)
• M10: 9,219,567 km (0.102 R)
• M11: 9,817,510 km (0.093 R)
• M12: 10,314,474 km (0.041 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.1

Radius: 8.2

Gravity: 10.83 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 10.72 AU - 11.66 AU

Year: 14254 Days

Day: 12.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 41,557,373 km

• M1: 132,544 km (0.087 R)
• M2: 699,669 km (0.106 R)
• M3: 1,000,511 km (0.114 R)
• M4: 1,333,067 km (0.073 R)
• M5: 1,673,851 km (0.111 R)
• M6: 2,304,705 km (0.087 R)
• M7: 3,036,238 km (0.092 R)
• M8: 4,001,593 km (0.089 R)
• M9: 5,123,577 km (0.068 R)
• M10: 6,281,166 km (0.066 R)
• M11: 7,880,367 km (0.116 R)
• M12: 8,163,257 km (0.027 R)
• M13: 11,140,404 km (0.112 R)
• M14: 11,617,621 km (0.095 R)
• M15: 12,359,028 km (0.093 R)
• M16: 13,263,347 km (0.114 R)
• M17: 13,529,781 km (0.068 R)
• M18: 15,421,895 km (0.097 R)
• M19: 15,865,303 km (0.077 R)
• M20: 18,292,528 km (0.088 R)
• M21: 20,510,616 km (0.046 R)
• M22: 20,777,499 km (0.081 R)
• M23: 28,231,213 km (0.11 R)
• M24: 28,783,528 km (0.042 R)
• M25: 29,118,328 km (0.092 R)
• M26: 30,138,286 km (0.047 R)
• M27: 37,290,261 km (0.076 R)
• M28: 42,542,942 km (0.074 R)
• M29: 43,414,948 km (0.082 R)
• M30: 44,745,322 km (0.118 R)
• M31: 46,868,414 km (0.103 R)
• M32: 49,856,034 km (0.114 R)
• M33: 51,314,463 km (0.049 R)
• M34: 51,971,796 km (0.089 R)
• M35: 54,827,919 km (0.089 R)
• M36: 57,081,312 km (0.098 R)
• M37: 57,786,965 km (0.101 R)
• M38: 60,484,962 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 754.7

Radius: 4.5

Gravity: 37.27 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 11.11 AU - 14.05 AU

Year: 16991 Days

Day: 15.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 41,557,373 km

• M1: 55,950 km (0.116 R)
• M2: 221,704 km (0.058 R)
• M3: 372,349 km (0.092 R)
• M4: 531,521 km (0.082 R)
• M5: 869,014 km (0.113 R)
• M6: 1,585,737 km (0.105 R)
• M7: 1,864,289 km (0.102 R)
• M8: 2,195,199 km (0.068 R)
• M9: 3,594,837 km (0.109 R)
• M10: 5,054,014 km (0.111 R)
• M11: 7,368,892 km (0.093 R)
• M12: 9,181,270 km (0.083 R)
• M13: 9,959,777 km (0.069 R)
• M14: 10,601,702 km (0.108 R)
• M15: 11,774,699 km (0.076 R)
• M16: 12,492,021 km (0.071 R)
• M17: 13,727,849 km (0.098 R)
• M18: 14,967,865 km (0.032 R)
• M19: 15,808,905 km (0.027 R)
• M20: 18,261,861 km (0.057 R)
• M21: 20,769,720 km (0.116 R)
• M22: 21,145,809 km (0.051 R)
• M23: 22,695,493 km (0.108 R)
• M24: 23,906,189 km (0.115 R)
• M25: 25,910,351 km (0.039 R)
• M26: 29,771,173 km (0.081 R)
• M27: 33,739,257 km (0.098 R)
• M28: 34,258,810 km (0.048 R)
• M29: 36,662,848 km (0.081 R)
• M30: 39,895,209 km (0.036 R)
• M31: 42,704,657 km (0.063 R)
• M32: 44,701,041 km (0.111 R)
• M33: 45,327,706 km (0.101 R)
• M34: 48,713,704 km (0.09 R)
• M35: 52,437,644 km (0.08 R)
• M36: 57,445,882 km (0.048 R)
• M37: 69,023,111 km (0.081 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 83.8

Radius: 3.4

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 14.3 AU - 16.56 AU

Year: 23080 Days

Day: 20.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,557,373 km

• M1: 43,832 km (0.027 R)
• M2: 209,138 km (0.074 R)
• M3: 690,993 km (0.062 R)
• M4: 1,480,570 km (0.095 R)
• M5: 2,903,545 km (0.088 R)
• M6: 3,052,545 km (0.081 R)
• M7: 3,483,087 km (0.067 R)
• M8: 3,627,150 km (0.104 R)
• M9: 6,083,996 km (0.039 R)
• M10: 7,216,452 km (0.084 R)
• M11: 7,730,620 km (0.12 R)
• M12: 8,875,642 km (0.075 R)
• M13: 9,652,055 km (0.116 R)
• M14: 9,936,440 km (0.118 R)
• M15: 13,444,510 km (0.081 R)
• M16: 13,859,046 km (0.053 R)
• M17: 19,441,739 km (0.119 R)
• M18: 23,184,528 km (0.118 R)
• M19: 27,098,308 km (0.075 R)
• M20: 29,014,208 km (0.074 R)
• M21: 29,606,017 km (0.12 R)
• M22: 37,002,285 km (0.103 R)
• M23: 40,446,477 km (0.117 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 369 - 14,131 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit