🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.53 AU - 0.53 AU

Year: 253 Days

Day: 21.2 Hours

Environment

Temp: -116 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,857,396 km

• M1: 492,626 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.5

Radius: 9.9

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.58 AU - 0.86 AU

Year: 401 Days

Day: 9.4 Hours

Environment

Temp: -133 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 73,857,396 km

• M1: 125,064 km (0.117 R)
• M2: 605,572 km (0.069 R)
• M3: 922,720 km (0.067 R)
• M4: 1,577,958 km (0.11 R)
• M5: 1,926,222 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.9

Radius: 15

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.65 AU - 0.81 AU

Year: 409 Days

Day: 6.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 73,857,396 km

• M1: 186,549 km (0.11 R)
• M2: 657,333 km (0.095 R)
• M3: 1,222,065 km (0.089 R)
• M4: 1,795,324 km (0.105 R)
• M5: 2,319,515 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.7

Radius: 11.5

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.6 AU - 0.9 AU

Year: 426 Days

Day: 14.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,857,396 km

• M1: 143,315 km (0.113 R)
• M2: 696,378 km (0.059 R)
• M3: 1,347,278 km (0.12 R)
• M4: 2,014,784 km (0.099 R)
• M5: 2,448,468 km (0.08 R)
• M6: 3,903,906 km (0.109 R)
• M7: 4,642,321 km (0.061 R)
• M8: 5,358,596 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.9

Radius: 14.5

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.43 AU - 1.43 AU

Year: 1122 Days

Day: 9.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,857,396 km

• M1: 183,108 km (0.068 R)
• M2: 663,766 km (0.114 R)
• M3: 1,338,901 km (0.109 R)
• M4: 2,446,224 km (0.1 R)
• M5: 2,958,597 km (0.064 R)
• M6: 3,636,874 km (0.058 R)
• M7: 4,906,661 km (0.085 R)
• M8: 5,369,516 km (0.105 R)
• M9: 7,549,157 km (0.056 R)
• M10: 8,004,084 km (0.069 R)
• M11: 8,998,611 km (0.079 R)
• M12: 10,560,712 km (0.025 R)
• M13: 12,151,536 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.4

Radius: 13.5

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.36 AU - 1.82 AU

Year: 1315 Days

Day: 10.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,857,396 km

• M1: 173,683 km (0.118 R)
• M2: 722,259 km (0.084 R)
• M3: 1,581,698 km (0.094 R)
• M4: 2,235,291 km (0.034 R)
• M5: 2,717,745 km (0.106 R)
• M6: 3,326,309 km (0.092 R)
• M7: 3,849,153 km (0.089 R)
• M8: 4,874,497 km (0.031 R)
• M9: 7,413,322 km (0.083 R)
• M10: 7,995,707 km (0.112 R)
• M11: 10,049,237 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214

Radius: 13

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 4.57 AU - 4.67 AU

Year: 6514 Days

Day: 14.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,857,396 km

• M1: 161,715 km (0.062 R)
• M2: 706,102 km (0.063 R)
• M3: 1,313,469 km (0.044 R)
• M4: 1,810,733 km (0.109 R)
• M5: 2,747,365 km (0.077 R)
• M6: 3,478,001 km (0.041 R)
• M7: 5,781,808 km (0.111 R)
• M8: 6,556,276 km (0.043 R)
• M9: 8,453,925 km (0.103 R)
• M10: 14,552,282 km (0.101 R)
• M11: 20,071,546 km (0.07 R)
• M12: 21,575,603 km (0.078 R)
• M13: 21,980,116 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 831.6

Radius: 4.5

Gravity: 41.07 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 7.79 AU - 9.97 AU

Year: 17359 Days

Day: 17.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 73,857,396 km

• M1: 57,146 km (0.084 R)
• M2: 214,374 km (0.105 R)
• M3: 458,368 km (0.096 R)
• M4: 1,308,682 km (0.063 R)
• M5: 1,641,537 km (0.051 R)
• M6: 2,319,066 km (0.099 R)
• M7: 4,137,578 km (0.046 R)
• M8: 6,515,735 km (0.119 R)
• M9: 7,007,763 km (0.115 R)
• M10: 8,166,847 km (0.093 R)
• M11: 8,475,467 km (0.095 R)
• M12: 11,230,911 km (0.076 R)
• M13: 12,134,781 km (0.114 R)
• M14: 15,601,861 km (0.083 R)
• M15: 18,597,858 km (0.117 R)
• M16: 20,044,319 km (0.094 R)
• M17: 24,090,194 km (0.098 R)
• M18: 25,696,725 km (0.081 R)
• M19: 27,717,194 km (0.049 R)
• M20: 31,191,006 km (0.07 R)
• M21: 35,213,394 km (0.084 R)
• M22: 36,442,939 km (0.072 R)
• M23: 40,450,666 km (0.067 R)
• M24: 44,584,205 km (0.12 R)
• M25: 46,022,139 km (0.089 R)
• M26: 56,592,426 km (0.117 R)
• M27: 59,610,413 km (0.108 R)
• M28: 63,731,984 km (0.082 R)
• M29: 69,517,233 km (0.069 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 338 - 12,393 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit