🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.18 AU - 1.34 AU

Year: 536 Days

Day: 21.3 Hours

Environment

Temp: -25 °C

Axial Tilt: 14.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 43,996,481 km

• M1: 56,997 km (0.06 R)
• M2: 70,610 km (0.088 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.05 AU - 1.73 AU

Year: 621 Days

Day: 42.8 Hours

Environment

Temp: -34 °C

Axial Tilt: 124 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.7

Radius: 14.9

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.69 AU - 5.13 AU

Year: 3508 Days

Day: 6.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 158.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,996,481 km

• M1: 185,352 km (0.086 R)
• M2: 681,717 km (0.09 R)
• M3: 1,146,967 km (0.106 R)
• M4: 1,646,923 km (0.111 R)
• M5: 2,497,088 km (0.109 R)
• M6: 3,177,608 km (0.106 R)
• M7: 3,809,360 km (0.049 R)
• M8: 4,317,095 km (0.096 R)
• M9: 4,870,159 km (0.102 R)
• M10: 6,172,109 km (0.102 R)
• M11: 6,737,290 km (0.113 R)
• M12: 8,742,649 km (0.076 R)
• M13: 9,318,152 km (0.097 R)
• M14: 9,846,981 km (0.083 R)
• M15: 10,811,289 km (0.119 R)
• M16: 12,166,196 km (0.1 R)
• M17: 16,654,133 km (0.113 R)
• M18: 18,349,226 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.9

Radius: 13

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 4.45 AU - 4.87 AU

Year: 3810 Days

Day: 11.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,996,481 km

• M1: 161,715 km (0.111 R)
• M2: 688,599 km (0.099 R)
• M3: 1,321,398 km (0.046 R)
• M4: 1,802,206 km (0.116 R)
• M5: 2,224,820 km (0.105 R)
• M6: 3,625,355 km (0.117 R)
• M7: 4,174,678 km (0.089 R)
• M8: 5,602,889 km (0.09 R)
• M9: 6,609,982 km (0.079 R)
• M10: 7,140,905 km (0.088 R)
• M11: 7,904,751 km (0.049 R)
• M12: 8,431,635 km (0.074 R)
• M13: 8,870,107 km (0.099 R)
• M14: 10,195,693 km (0.107 R)
• M15: 10,693,854 km (0.087 R)
• M16: 12,899,076 km (0.027 R)
• M17: 13,482,358 km (0.111 R)
• M18: 14,134,007 km (0.119 R)
• M19: 16,497,055 km (0.078 R)
• M20: 17,242,950 km (0.042 R)
• M21: 19,489,311 km (0.085 R)
• M22: 20,453,470 km (0.084 R)
• M23: 21,247,386 km (0.106 R)
• M24: 25,151,740 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.2

Radius: 14.3

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.88 AU - 6.36 AU

Year: 4388 Days

Day: 12.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,996,481 km

• M1: 178,021 km (0.102 R)
• M2: 677,080 km (0.059 R)
• M3: 1,194,240 km (0.067 R)
• M4: 2,505,166 km (0.119 R)
• M5: 3,899,418 km (0.108 R)
• M6: 4,729,836 km (0.113 R)
• M7: 5,532,877 km (0.065 R)
• M8: 8,014,407 km (0.035 R)
• M9: 10,847,940 km (0.056 R)
• M10: 12,053,100 km (0.095 R)
• M11: 14,025,698 km (0.096 R)
• M12: 16,500,496 km (0.085 R)
• M13: 18,029,835 km (0.025 R)
• M14: 19,920,153 km (0.101 R)
• M15: 20,395,575 km (0.043 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.5

Radius: 11.2

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 4.12 AU - 6.66 AU

Year: 4739 Days

Day: 9.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,996,481 km

• M1: 139,425 km (0.102 R)
• M2: 488,287 km (0.12 R)
• M3: 959,072 km (0.058 R)
• M4: 1,401,732 km (0.096 R)
• M5: 1,967,511 km (0.104 R)
• M6: 2,507,111 km (0.11 R)
• M7: 3,071,843 km (0.083 R)
• M8: 4,142,515 km (0.071 R)
• M9: 4,861,183 km (0.032 R)
• M10: 6,427,024 km (0.093 R)
• M11: 6,850,834 km (0.093 R)
• M12: 7,228,719 km (0.109 R)
• M13: 8,483,246 km (0.101 R)
• M14: 9,525,046 km (0.057 R)
• M15: 10,320,009 km (0.074 R)
• M16: 11,594,733 km (0.113 R)
• M17: 11,997,001 km (0.085 R)
• M18: 13,650,357 km (0.091 R)
• M19: 14,250,843 km (0.061 R)
• M20: 15,829,100 km (0.096 R)
• M21: 16,436,019 km (0.118 R)
• M22: 16,830,209 km (0.069 R)
• M23: 18,531,287 km (0.103 R)
• M24: 22,135,847 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.6

Radius: 10.9

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 6.51 AU - 9.91 AU

Year: 8910 Days

Day: 5 Hours

Environment

Temp: -173 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,996,481 km

• M1: 135,536 km (0.119 R)
• M2: 901,178 km (0.026 R)
• M3: 1,535,622 km (0.067 R)
• M4: 1,906,774 km (0.104 R)
• M5: 3,961,651 km (0.116 R)
• M6: 4,411,342 km (0.073 R)
• M7: 4,782,046 km (0.087 R)
• M8: 5,865,134 km (0.094 R)
• M9: 7,432,920 km (0.067 R)
• M10: 8,055,397 km (0.037 R)
• M11: 9,475,828 km (0.051 R)
• M12: 9,947,510 km (0.069 R)
• M13: 11,376,619 km (0.073 R)
• M14: 16,430,185 km (0.068 R)
• M15: 18,086,981 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 160.8

Radius: 6.1

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 10.46 AU - 13.9 AU

Year: 16100 Days

Day: 15.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,996,481 km

• M1: 1,116,599 km (0.069 R)
• M2: 2,015,083 km (0.094 R)
• M3: 2,890,530 km (0.107 R)
• M4: 3,122,556 km (0.046 R)
• M5: 3,505,826 km (0.095 R)
• M6: 3,696,863 km (0.079 R)
• M7: 4,845,475 km (0.053 R)
• M8: 14,041,256 km (0.105 R)
• M9: 17,454,481 km (0.053 R)
• M10: 18,947,318 km (0.085 R)
• M11: 21,541,645 km (0.113 R)
• M12: 22,184,766 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 199.9

Radius: 7.8

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 9.52 AU - 15.02 AU

Year: 16279 Days

Day: 18 Hours

Environment

Temp: -199 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 43,996,481 km

• M1: 99,782 km (0.116 R)
• M2: 370,404 km (0.098 R)
• M3: 624,122 km (0.042 R)
• M4: 1,113,307 km (0.053 R)
• M5: 1,482,216 km (0.053 R)
• M6: 2,231,701 km (0.03 R)
• M7: 3,326,309 km (0.086 R)
• M8: 4,482,401 km (0.104 R)
• M9: 4,891,551 km (0.087 R)
• M10: 5,453,740 km (0.058 R)
• M11: 5,717,182 km (0.114 R)
• M12: 6,093,271 km (0.099 R)
• M13: 7,847,755 km (0.111 R)
• M14: 8,751,176 km (0.079 R)
• M15: 10,508,951 km (0.115 R)
• M16: 11,337,424 km (0.088 R)
• M17: 11,876,874 km (0.103 R)
• M18: 14,207,160 km (0.063 R)
• M19: 14,518,324 km (0.063 R)
• M20: 16,482,394 km (0.089 R)
• M21: 17,456,875 km (0.101 R)
• M22: 18,030,732 km (0.111 R)
• M23: 19,982,835 km (0.085 R)
• M24: 22,405,423 km (0.053 R)
• M25: 27,247,457 km (0.119 R)
• M26: 35,067,237 km (0.105 R)
• M27: 41,541,384 km (0.083 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 12,572 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit