🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.7 AU - 1.04 AU

Year: 359 Days

Day: 22.1 Hours

Environment

Temp: -51 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.85 AU - 1.09 AU

Year: 423 Days

Day: 46.3 Hours

Environment

Temp: -63 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,977,998 km

• M1: 264,190 km (0.059 R)

Asteroid Belt

Center: 1.78 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.2

Radius: 14.3

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.31 AU - 2.87 AU

Year: 1846 Days

Day: 5.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,977,998 km

• M1: 177,872 km (0.113 R)
• M2: 743,053 km (0.065 R)
• M3: 1,259,913 km (0.101 R)
• M4: 2,023,012 km (0.114 R)
• M5: 2,621,403 km (0.119 R)
• M6: 3,878,624 km (0.056 R)
• M7: 4,389,650 km (0.105 R)
• M8: 5,506,698 km (0.053 R)
• M9: 6,591,731 km (0.089 R)
• M10: 7,197,902 km (0.103 R)
• M11: 7,657,317 km (0.077 R)
• M12: 8,921,269 km (0.067 R)
• M13: 9,694,989 km (0.095 R)
• M14: 10,320,159 km (0.112 R)
• M15: 11,038,976 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.1

Radius: 11.9

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.45 AU - 5.41 AU

Year: 4130 Days

Day: 13.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,977,998 km

• M1: 148,251 km (0.119 R)
• M2: 539,151 km (0.069 R)
• M3: 973,433 km (0.118 R)
• M4: 1,636,302 km (0.062 R)
• M5: 2,028,398 km (0.099 R)
• M6: 2,633,820 km (0.118 R)
• M7: 3,064,213 km (0.118 R)
• M8: 3,798,739 km (0.081 R)
• M9: 4,231,825 km (0.066 R)
• M10: 4,774,715 km (0.089 R)
• M11: 8,291,761 km (0.085 R)
• M12: 8,749,830 km (0.108 R)
• M13: 9,758,419 km (0.109 R)
• M14: 10,226,062 km (0.1 R)
• M15: 10,933,061 km (0.106 R)
• M16: 12,395,530 km (0.115 R)
• M17: 13,302,392 km (0.118 R)
• M18: 16,467,285 km (0.1 R)
• M19: 16,948,392 km (0.084 R)
• M20: 19,630,083 km (0.091 R)
• M21: 21,639,182 km (0.102 R)
• M22: 22,071,371 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.9

Radius: 10.7

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 6.18 AU - 6.34 AU

Year: 6937 Days

Day: 14.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,977,998 km

• M1: 133,142 km (0.093 R)
• M2: 519,553 km (0.117 R)
• M3: 869,014 km (0.118 R)
• M4: 1,214,884 km (0.107 R)
• M5: 1,557,015 km (0.062 R)
• M6: 2,041,263 km (0.081 R)
• M7: 2,897,412 km (0.07 R)
• M8: 3,243,431 km (0.108 R)
• M9: 3,675,470 km (0.067 R)
• M10: 5,617,101 km (0.102 R)
• M11: 7,699,054 km (0.094 R)
• M12: 8,299,690 km (0.114 R)
• M13: 9,481,663 km (0.111 R)
• M14: 10,054,622 km (0.119 R)
• M15: 13,085,775 km (0.119 R)
• M16: 14,783,860 km (0.075 R)
• M17: 16,030,010 km (0.088 R)
• M18: 18,086,682 km (0.039 R)
• M19: 21,266,085 km (0.094 R)
• M20: 21,917,584 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.6

Radius: 13.4

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 8.94 AU - 9.46 AU

Year: 12360 Days

Day: 7.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 66,977,998 km

• M1: 186,399 km (0.108 R)
• M2: 613,650 km (0.116 R)
• M3: 1,214,436 km (0.031 R)
• M4: 1,966,763 km (0.103 R)
• M5: 2,390,574 km (0.11 R)
• M6: 2,831,439 km (0.108 R)
• M7: 3,908,244 km (0.028 R)
• M8: 6,859,810 km (0.118 R)
• M9: 7,409,134 km (0.102 R)
• M10: 8,548,322 km (0.093 R)
• M11: 9,235,574 km (0.115 R)
• M12: 10,226,959 km (0.088 R)
• M13: 14,160,336 km (0.105 R)
• M14: 14,913,412 km (0.119 R)
• M15: 18,436,292 km (0.081 R)
• M16: 20,519,891 km (0.068 R)
• M17: 23,222,377 km (0.051 R)
• M18: 26,052,469 km (0.106 R)
• M19: 27,603,201 km (0.07 R)
• M20: 28,887,349 km (0.038 R)
• M21: 31,459,684 km (0.115 R)
• M22: 37,184,346 km (0.08 R)
• M23: 38,485,997 km (0.116 R)
• M24: 41,042,924 km (0.049 R)
• M25: 45,454,415 km (0.092 R)
• M26: 46,792,269 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 482.1

Radius: 8

Gravity: 7.53 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 9.15 AU - 11.73 AU

Year: 14941 Days

Day: 15.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,977,998 km

• M1: 99,632 km (0.106 R)
• M2: 349,311 km (0.106 R)
• M3: 785,090 km (0.088 R)
• M4: 1,320,500 km (0.108 R)
• M5: 2,080,308 km (0.106 R)
• M6: 2,363,796 km (0.079 R)
• M7: 3,399,013 km (0.109 R)
• M8: 4,870,159 km (0.067 R)
• M9: 5,202,116 km (0.101 R)
• M10: 6,524,113 km (0.027 R)
• M11: 7,521,631 km (0.099 R)
• M12: 12,174,424 km (0.104 R)
• M13: 13,744,903 km (0.117 R)
• M14: 14,341,948 km (0.092 R)
• M15: 18,692,254 km (0.039 R)
• M16: 19,590,290 km (0.117 R)
• M17: 22,548,438 km (0.054 R)
• M18: 25,198,116 km (0.111 R)
• M19: 27,316,571 km (0.06 R)
• M20: 38,917,587 km (0.061 R)
• M21: 41,056,388 km (0.083 R)
• M22: 45,859,078 km (0.047 R)
• M23: 46,447,745 km (0.084 R)
• M24: 46,743,799 km (0.035 R)
• M25: 50,085,218 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 786.4

Radius: 4.6

Gravity: 37.16 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 10.11 AU - 11.21 AU

Year: 15416 Days

Day: 22 Hours

Environment

Temp: -210 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 66,977,998 km

• M1: 57,146 km (0.11 R)
• M2: 584,628 km (0.079 R)
• M3: 982,260 km (0.115 R)
• M4: 1,219,821 km (0.106 R)
• M5: 1,526,197 km (0.095 R)
• M6: 2,250,102 km (0.065 R)
• M7: 3,996,358 km (0.112 R)
• M8: 4,404,760 km (0.074 R)
• M9: 4,840,239 km (0.109 R)
• M10: 6,960,939 km (0.12 R)
• M11: 7,274,645 km (0.115 R)
• M12: 7,597,777 km (0.105 R)
• M13: 7,882,312 km (0.119 R)
• M14: 9,685,565 km (0.083 R)
• M15: 10,304,750 km (0.062 R)
• M16: 10,949,966 km (0.053 R)
• M17: 13,871,313 km (0.044 R)
• M18: 14,224,962 km (0.065 R)
• M19: 15,929,331 km (0.103 R)
• M20: 17,273,169 km (0.094 R)
• M21: 19,472,108 km (0.05 R)
• M22: 20,456,013 km (0.105 R)
• M23: 21,472,830 km (0.116 R)
• M24: 29,433,830 km (0.115 R)
• M25: 37,497,753 km (0.088 R)
• M26: 40,005,463 km (0.069 R)
• M27: 45,042,722 km (0.056 R)
• M28: 51,997,826 km (0.093 R)
• M29: 62,849,955 km (0.097 R)
• M30: 63,235,469 km (0.113 R)
• M31: 64,990,401 km (0.093 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 447 - 20,028 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit