🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.58 AU - 0.68 AU

Year: 328 Days

Day: 27.2 Hours

Environment

Temp: -133 °C

Axial Tilt: 44.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733

Radius: 9.7

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.7 AU - 0.88 AU

Year: 461 Days

Day: 9.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,914,451 km

• M1: 121,324 km (0.102 R)
• M2: 615,296 km (0.116 R)
• M3: 999,613 km (0.089 R)
• M4: 1,558,062 km (0.045 R)
• M5: 2,727,468 km (0.066 R)
• M6: 3,213,811 km (0.065 R)
• M7: 4,217,912 km (0.117 R)
• M8: 5,027,087 km (0.098 R)
• M9: 6,207,713 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.2

Radius: 12.3

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.87 AU - 1.03 AU

Year: 607 Days

Day: 11.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,914,451 km

• M1: 154,385 km (0.104 R)
• M2: 703,559 km (0.08 R)
• M3: 1,121,535 km (0.068 R)
• M4: 1,858,604 km (0.074 R)
• M5: 2,829,045 km (0.101 R)
• M6: 3,274,249 km (0.097 R)
• M7: 3,850,649 km (0.114 R)
• M8: 4,261,595 km (0.099 R)
• M9: 4,718,317 km (0.032 R)
• M10: 5,348,573 km (0.115 R)
• M11: 5,805,594 km (0.067 R)
• M12: 7,358,270 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.8

Radius: 12.7

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3.09 AU - 3.37 AU

Year: 3808 Days

Day: 9.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,914,451 km

• M1: 158,424 km (0.116 R)
• M2: 635,342 km (0.082 R)
• M3: 1,261,260 km (0.08 R)
• M4: 2,097,213 km (0.062 R)
• M5: 2,647,583 km (0.06 R)
• M6: 3,163,546 km (0.12 R)
• M7: 3,705,240 km (0.114 R)
• M8: 4,129,649 km (0.094 R)
• M9: 6,459,935 km (0.073 R)
• M10: 7,941,104 km (0.063 R)
• M11: 10,996,191 km (0.119 R)
• M12: 12,478,407 km (0.064 R)
• M13: 13,145,913 km (0.106 R)
• M14: 14,866,438 km (0.093 R)
• M15: 18,201,274 km (0.112 R)
• M16: 19,122,797 km (0.094 R)
• M17: 19,882,155 km (0.109 R)
• M18: 21,461,161 km (0.12 R)
• M19: 23,051,237 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.6

Radius: 9.3

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.99 AU - 3.51 AU

Year: 3844 Days

Day: 9.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,914,451 km

• M1: 115,639 km (0.109 R)
• M2: 542,591 km (0.07 R)
• M3: 881,131 km (0.091 R)
• M4: 1,402,330 km (0.109 R)
• M5: 1,734,139 km (0.092 R)
• M6: 2,810,794 km (0.113 R)
• M7: 4,282,538 km (0.114 R)
• M8: 4,777,558 km (0.096 R)
• M9: 5,087,674 km (0.12 R)
• M10: 5,487,848 km (0.107 R)
• M11: 6,966,174 km (0.086 R)
• M12: 7,683,945 km (0.083 R)
• M13: 8,279,345 km (0.083 R)
• M14: 10,095,612 km (0.093 R)
• M15: 10,409,169 km (0.067 R)
• M16: 10,729,159 km (0.058 R)
• M17: 12,207,037 km (0.085 R)
• M18: 12,971,931 km (0.118 R)
• M19: 13,342,784 km (0.113 R)
• M20: 13,768,390 km (0.076 R)
• M21: 18,131,860 km (0.087 R)
• M22: 18,595,763 km (0.038 R)
• M23: 19,366,492 km (0.101 R)
• M24: 21,098,685 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.8

Radius: 10.4

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 5.1 AU - 5.44 AU

Year: 7936 Days

Day: 12.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,914,451 km

• M1: 130,599 km (0.061 R)
• M2: 488,736 km (0.093 R)
• M3: 933,042 km (0.091 R)
• M4: 1,496,577 km (0.051 R)
• M5: 2,089,284 km (0.109 R)
• M6: 2,509,205 km (0.117 R)
• M7: 3,245,077 km (0.116 R)
• M8: 3,975,115 km (0.12 R)
• M9: 4,598,339 km (0.081 R)
• M10: 6,102,995 km (0.09 R)
• M11: 6,459,337 km (0.107 R)
• M12: 7,143,149 km (0.083 R)
• M13: 7,724,336 km (0.1 R)
• M14: 8,898,829 km (0.088 R)
• M15: 9,400,581 km (0.1 R)
• M16: 9,965,462 km (0.086 R)
• M17: 11,307,056 km (0.068 R)
• M18: 13,029,077 km (0.118 R)
• M19: 15,568,501 km (0.082 R)
• M20: 17,498,912 km (0.058 R)
• M21: 17,955,933 km (0.076 R)
• M22: 19,375,168 km (0.1 R)
• M23: 19,723,731 km (0.11 R)
• M24: 20,867,706 km (0.115 R)
• M25: 21,234,071 km (0.08 R)
• M26: 25,469,636 km (0.094 R)
• M27: 27,961,936 km (0.099 R)
• M28: 31,467,912 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 818.6

Radius: 7.5

Gravity: 14.55 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 4.83 AU - 7.37 AU

Year: 9883 Days

Day: 23.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 55,914,451 km

• M1: 93,499 km (0.083 R)
• M2: 391,946 km (0.112 R)
• M3: 1,187,358 km (0.072 R)
• M4: 1,775,128 km (0.092 R)
• M5: 2,253,094 km (0.058 R)
• M6: 2,792,543 km (0.106 R)
• M7: 3,150,980 km (0.116 R)
• M8: 3,693,871 km (0.119 R)
• M9: 5,356,950 km (0.115 R)
• M10: 5,840,450 km (0.118 R)
• M11: 6,815,081 km (0.067 R)
• M12: 8,203,349 km (0.031 R)
• M13: 8,987,690 km (0.06 R)
• M14: 9,620,340 km (0.112 R)
• M15: 10,127,028 km (0.071 R)
• M16: 10,758,331 km (0.093 R)
• M17: 11,304,214 km (0.051 R)
• M18: 15,724,531 km (0.052 R)
• M19: 17,077,794 km (0.102 R)
• M20: 18,430,009 km (0.096 R)
• M21: 19,290,645 km (0.088 R)
• M22: 21,007,580 km (0.101 R)
• M23: 22,120,140 km (0.104 R)
• M24: 24,369,194 km (0.103 R)
• M25: 25,596,944 km (0.086 R)
• M26: 26,667,466 km (0.102 R)
• M27: 29,951,588 km (0.079 R)
• M28: 33,957,370 km (0.077 R)
• M29: 36,088,093 km (0.044 R)
• M30: 43,558,113 km (0.088 R)
• M31: 45,503,932 km (0.101 R)
• M32: 46,641,475 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 915.8

Radius: 6.3

Gravity: 23.07 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 5.85 AU - 7.17 AU

Year: 10896 Days

Day: 20.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,914,451 km

• M1: 78,389 km (0.118 R)
• M2: 664,813 km (0.103 R)
• M3: 1,004,251 km (0.118 R)
• M4: 2,103,196 km (0.104 R)
• M5: 2,771,301 km (0.101 R)
• M6: 3,239,991 km (0.097 R)
• M7: 4,185,599 km (0.083 R)
• M8: 6,932,964 km (0.092 R)
• M9: 9,469,844 km (0.071 R)
• M10: 9,989,547 km (0.114 R)
• M11: 13,450,195 km (0.073 R)
• M12: 14,307,690 km (0.116 R)
• M13: 14,510,545 km (0.078 R)
• M14: 15,271,250 km (0.1 R)
• M15: 17,327,024 km (0.108 R)
• M16: 22,158,586 km (0.087 R)
• M17: 23,259,327 km (0.067 R)
• M18: 30,416,239 km (0.111 R)
• M19: 30,864,584 km (0.109 R)
• M20: 41,465,089 km (0.095 R)
• M21: 52,630,775 km (0.111 R)
• M22: 53,277,038 km (0.051 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 519 - 19,737 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit