🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.85 AU - 2.21 AU

Year: 1062 Days

Day: 13.4 Hours

Environment

Temp: -67 °C

Axial Tilt: 23.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.14 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.8

Radius: 9.6

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 6.1 AU - 6.38 AU

Year: 5722 Days

Day: 13.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,253,504 km

• M1: 119,379 km (0.096 R)
• M2: 426,952 km (0.039 R)
• M3: 873,652 km (0.058 R)
• M4: 3,427,586 km (0.078 R)
• M5: 4,518,155 km (0.066 R)
• M6: 5,205,258 km (0.092 R)
• M7: 5,665,720 km (0.103 R)
• M8: 8,457,665 km (0.069 R)
• M9: 9,058,899 km (0.085 R)
• M10: 11,709,624 km (0.1 R)
• M11: 12,727,936 km (0.087 R)
• M12: 13,470,241 km (0.062 R)
• M13: 17,061,488 km (0.065 R)
• M14: 18,252,287 km (0.03 R)
• M15: 19,196,100 km (0.063 R)
• M16: 20,609,500 km (0.111 R)
• M17: 21,053,058 km (0.113 R)
• M18: 22,024,995 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.7

Radius: 8.7

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 6.22 AU - 7.66 AU

Year: 6711 Days

Day: 8.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,253,504 km

• M1: 108,159 km (0.092 R)
• M2: 1,050,775 km (0.107 R)
• M3: 1,511,836 km (0.08 R)
• M4: 2,379,653 km (0.109 R)
• M5: 3,007,216 km (0.116 R)
• M6: 7,864,958 km (0.119 R)
• M7: 10,878,757 km (0.06 R)
• M8: 15,775,245 km (0.116 R)
• M9: 16,966,194 km (0.041 R)
• M10: 17,646,266 km (0.088 R)
• M11: 21,607,318 km (0.078 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 186.2

Radius: 6.3

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 11.18 AU - 13.74 AU

Year: 16145 Days

Day: 19.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,253,504 km

• M1: 78,389 km (0.068 R)
• M2: 291,566 km (0.043 R)
• M3: 544,985 km (0.115 R)
• M4: 752,926 km (0.108 R)
• M5: 2,152,564 km (0.108 R)
• M6: 2,400,447 km (0.107 R)
• M7: 2,667,480 km (0.086 R)
• M8: 4,825,130 km (0.107 R)
• M9: 5,604,385 km (0.093 R)
• M10: 7,409,732 km (0.075 R)
• M11: 8,061,081 km (0.101 R)
• M12: 9,523,999 km (0.036 R)
• M13: 10,293,381 km (0.1 R)
• M14: 11,738,347 km (0.079 R)
• M15: 13,668,608 km (0.051 R)
• M16: 15,604,404 km (0.093 R)
• M17: 16,877,183 km (0.039 R)
• M18: 17,574,159 km (0.057 R)
• M19: 18,655,303 km (0.105 R)
• M20: 18,876,708 km (0.097 R)
• M21: 21,754,074 km (0.079 R)
• M22: 35,960,785 km (0.118 R)
• M23: 37,934,430 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 181.9

Radius: 3.9

Gravity: 11.96 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 15.29 AU - 16.73 AU

Year: 23516 Days

Day: 21.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,253,504 km

• M1: 50,115 km (0.078 R)
• M2: 188,493 km (0.118 R)
• M3: 1,143,975 km (0.099 R)
• M4: 1,308,533 km (0.096 R)
• M5: 1,547,740 km (0.098 R)
• M6: 2,022,563 km (0.116 R)
• M7: 3,179,104 km (0.088 R)
• M8: 6,374,515 km (0.072 R)
• M9: 6,934,609 km (0.114 R)
• M10: 9,204,009 km (0.063 R)
• M11: 10,946,226 km (0.055 R)
• M12: 14,118,149 km (0.118 R)
• M13: 15,274,990 km (0.083 R)
• M14: 19,613,328 km (0.098 R)
• M15: 20,535,449 km (0.111 R)
• M16: 22,647,173 km (0.116 R)
• M17: 30,171,347 km (0.104 R)
• M18: 31,625,139 km (0.056 R)
• M19: 45,839,780 km (0.089 R)
• M20: 46,424,408 km (0.084 R)
• M21: 47,608,326 km (0.044 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 812

Radius: 4.6

Gravity: 38.37 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 13.12 AU - 21.6 AU

Year: 26552 Days

Day: 22.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 69,253,504 km

• M1: 57,146 km (0.026 R)
• M2: 296,353 km (0.063 R)
• M3: 1,009,935 km (0.084 R)
• M4: 1,224,608 km (0.118 R)
• M5: 1,612,964 km (0.067 R)
• M6: 1,805,646 km (0.116 R)
• M7: 3,333,190 km (0.025 R)
• M8: 4,119,028 km (0.116 R)
• M9: 5,102,185 km (0.106 R)
• M10: 6,419,993 km (0.079 R)
• M11: 6,757,336 km (0.087 R)
• M12: 9,519,661 km (0.074 R)
• M13: 16,766,481 km (0.063 R)
• M14: 19,820,671 km (0.082 R)
• M15: 23,677,453 km (0.092 R)
• M16: 26,509,042 km (0.037 R)
• M17: 29,955,178 km (0.104 R)
• M18: 31,167,220 km (0.101 R)
• M19: 31,440,835 km (0.032 R)
• M20: 35,146,225 km (0.08 R)
• M21: 37,720,056 km (0.068 R)
• M22: 40,093,127 km (0.064 R)
• M23: 42,228,637 km (0.089 R)
• M24: 46,724,950 km (0.11 R)
• M25: 49,273,200 km (0.078 R)
• M26: 53,267,015 km (0.087 R)
• M27: 67,670,597 km (0.087 R)
• M28: 80,287,831 km (0.062 R)
• M29: 84,729,541 km (0.1 R)
• M30: 91,554,794 km (0.107 R)
• M31: 95,532,303 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 203.3

Radius: 6.3

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 19.26 AU - 19.96 AU

Year: 31878 Days

Day: 17.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,253,504 km

• M1: 79,586 km (0.1 R)
• M2: 316,549 km (0.108 R)
• M3: 920,027 km (0.101 R)
• M4: 1,280,259 km (0.058 R)
• M5: 1,713,644 km (0.07 R)
• M6: 2,199,537 km (0.12 R)
• M7: 3,726,184 km (0.117 R)
• M8: 4,025,978 km (0.081 R)
• M9: 5,022,599 km (0.092 R)
• M10: 5,426,214 km (0.087 R)
• M11: 6,637,508 km (0.036 R)
• M12: 8,019,044 km (0.091 R)
• M13: 8,725,296 km (0.096 R)
• M14: 11,400,106 km (0.113 R)
• M15: 14,503,364 km (0.057 R)
• M16: 16,090,747 km (0.087 R)
• M17: 17,707,002 km (0.118 R)
• M18: 20,790,663 km (0.084 R)
• M19: 21,164,359 km (0.046 R)
• M20: 22,215,284 km (0.113 R)
• M21: 29,731,081 km (0.064 R)
• M22: 34,314,012 km (0.083 R)
• M23: 57,717,701 km (0.106 R)
• M24: 60,328,782 km (0.084 R)
• M25: 61,089,038 km (0.115 R)
• M26: 62,048,260 km (0.037 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: 327 - 17,960 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit