🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.72 AU - 1.08 AU

Year: 384 Days

Day: 38.6 Hours

Environment

Temp: -66 °C

Axial Tilt: 0.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.7 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.2

Radius: 13.8

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.98 AU - 3.02 AU

Year: 1777 Days

Day: 10.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 103,532,543 km

• M1: 172,337 km (0.092 R)
• M2: 622,028 km (0.034 R)
• M3: 1,201,869 km (0.062 R)
• M4: 1,720,525 km (0.079 R)
• M5: 2,890,231 km (0.062 R)
• M6: 4,402,965 km (0.05 R)
• M7: 4,996,270 km (0.076 R)
• M8: 7,315,635 km (0.115 R)
• M9: 7,978,952 km (0.083 R)
• M10: 12,875,290 km (0.099 R)
• M11: 13,556,559 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.7

Radius: 12.6

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.29 AU - 3.61 AU

Year: 2881 Days

Day: 9.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 103,532,543 km

• M1: 156,629 km (0.099 R)
• M2: 666,758 km (0.111 R)
• M3: 2,811,542 km (0.108 R)
• M4: 3,877,427 km (0.093 R)
• M5: 4,302,285 km (0.103 R)
• M6: 4,711,286 km (0.039 R)
• M7: 5,795,272 km (0.035 R)
• M8: 8,040,586 km (0.069 R)
• M9: 8,664,409 km (0.073 R)
• M10: 9,776,071 km (0.11 R)
• M11: 10,286,350 km (0.072 R)
• M12: 11,749,267 km (0.05 R)
• M13: 12,876,188 km (0.057 R)
• M14: 15,449,421 km (0.117 R)
• M15: 17,420,373 km (0.112 R)
• M16: 19,492,303 km (0.081 R)
• M17: 20,113,284 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.1

Radius: 12.9

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.78 AU - 4.8 AU

Year: 3995 Days

Day: 6.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 75.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 103,532,543 km

• M1: 160,668 km (0.03 R)
• M2: 704,008 km (0.113 R)
• M3: 1,466,059 km (0.066 R)
• M4: 1,904,530 km (0.081 R)
• M5: 2,446,823 km (0.114 R)
• M6: 4,080,731 km (0.107 R)
• M7: 5,041,299 km (0.058 R)
• M8: 5,562,049 km (0.117 R)
• M9: 6,499,878 km (0.103 R)
• M10: 6,991,307 km (0.118 R)
• M11: 7,474,358 km (0.12 R)
• M12: 9,556,462 km (0.118 R)
• M13: 10,112,218 km (0.042 R)
• M14: 10,647,479 km (0.118 R)
• M15: 11,596,229 km (0.086 R)
• M16: 13,221,011 km (0.081 R)
• M17: 13,811,623 km (0.083 R)
• M18: 20,922,309 km (0.106 R)
• M19: 21,792,819 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.4

Radius: 14.9

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 6.29 AU - 9.21 AU

Year: 9700 Days

Day: 10.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 103,532,543 km

• M1: 187,147 km (0.104 R)
• M2: 981,661 km (0.079 R)
• M3: 1,605,185 km (0.096 R)
• M4: 2,250,999 km (0.04 R)
• M5: 2,894,270 km (0.094 R)
• M6: 3,709,130 km (0.086 R)
• M7: 4,213,125 km (0.079 R)
• M8: 4,977,420 km (0.099 R)
• M9: 6,079,508 km (0.112 R)
• M10: 6,784,563 km (0.11 R)
• M11: 11,992,813 km (0.05 R)
• M12: 13,225,499 km (0.034 R)
• M13: 15,064,655 km (0.069 R)
• M14: 16,288,964 km (0.108 R)
• M15: 18,551,482 km (0.086 R)
• M16: 20,933,978 km (0.115 R)
• M17: 23,158,349 km (0.107 R)
• M18: 24,603,015 km (0.047 R)
• M19: 25,630,753 km (0.098 R)
• M20: 26,881,989 km (0.063 R)
• M21: 34,444,311 km (0.091 R)
• M22: 35,141,886 km (0.111 R)
• M23: 36,325,355 km (0.089 R)
• M24: 39,274,228 km (0.083 R)
• M25: 41,326,561 km (0.104 R)
• M26: 46,486,342 km (0.107 R)
• M27: 48,781,771 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.5

Radius: 8.8

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 8.03 AU - 9.85 AU

Year: 12018 Days

Day: 5.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 103,532,543 km

• M1: 111,301 km (0.119 R)
• M2: 725,400 km (0.071 R)
• M3: 1,269,188 km (0.12 R)
• M4: 1,551,779 km (0.112 R)
• M5: 2,552,888 km (0.109 R)
• M6: 3,094,731 km (0.115 R)
• M7: 3,567,760 km (0.088 R)
• M8: 6,873,125 km (0.112 R)
• M9: 8,763,144 km (0.1 R)
• M10: 10,041,009 km (0.051 R)
• M11: 10,875,167 km (0.039 R)
• M12: 11,438,852 km (0.081 R)
• M13: 15,621,907 km (0.07 R)
• M14: 17,982,262 km (0.071 R)
• M15: 18,770,643 km (0.078 R)
• M16: 19,882,604 km (0.096 R)
• M17: 24,947,390 km (0.085 R)
• M18: 26,748,847 km (0.088 R)
• M19: 27,965,228 km (0.096 R)
• M20: 32,882,210 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 26.6

Radius: 3.1

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 11.66 AU - 13.48 AU

Year: 20036 Days

Day: 18.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 103,532,543 km

• M1: 136,284 km (0.06 R)
• M2: 475,871 km (0.12 R)
• M3: 939,175 km (0.104 R)
• M4: 3,516,148 km (0.09 R)
• M5: 6,696,599 km (0.103 R)
• M6: 6,950,616 km (0.084 R)
• M7: 7,376,970 km (0.114 R)
• M8: 7,820,677 km (0.111 R)
• M9: 8,723,351 km (0.09 R)
• M10: 10,059,260 km (0.087 R)
• M11: 23,186,324 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 872.4

Radius: 6.6

Gravity: 20.03 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 12.21 AU - 19.31 AU

Year: 28129 Days

Day: 18.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 103,532,543 km

• M1: 83,326 km (0.071 R)
• M2: 336,595 km (0.073 R)
• M3: 646,113 km (0.036 R)
• M4: 922,121 km (0.073 R)
• M5: 1,213,987 km (0.096 R)
• M6: 1,441,824 km (0.051 R)
• M7: 2,476,892 km (0.069 R)
• M8: 3,046,261 km (0.078 R)
• M9: 3,633,283 km (0.09 R)
• M10: 5,030,378 km (0.087 R)
• M11: 8,023,532 km (0.113 R)
• M12: 9,762,607 km (0.09 R)
• M13: 10,960,288 km (0.105 R)
• M14: 13,405,166 km (0.041 R)
• M15: 20,058,382 km (0.101 R)
• M16: 20,476,059 km (0.065 R)
• M17: 22,093,810 km (0.044 R)
• M18: 23,104,494 km (0.079 R)
• M19: 27,455,996 km (0.071 R)
• M20: 29,959,068 km (0.106 R)
• M21: 42,858,144 km (0.096 R)
• M22: 43,203,566 km (0.035 R)
• M23: 49,363,707 km (0.106 R)
• M24: 54,451,231 km (0.066 R)
• M25: 60,525,803 km (0.034 R)
• M26: 60,743,019 km (0.116 R)
• M27: 62,277,743 km (0.12 R)
• M28: 62,943,304 km (0.053 R)
• M29: 63,613,652 km (0.082 R)
• M30: 65,653,120 km (0.066 R)
• M31: 65,882,304 km (0.115 R)
• M32: 71,789,176 km (0.053 R)
• M33: 72,276,416 km (0.071 R)
• M34: 79,852,202 km (0.039 R)
• M35: 90,185,824 km (0.117 R)
• M36: 94,790,896 km (0.089 R)
• M37: 98,046,145 km (0.034 R)
• M38: 98,345,790 km (0.106 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 18,389 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit