🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.7 AU - 0.94 AU

Year: 284 Days

Day: 30 Hours

Environment

Temp: 32 °C

Axial Tilt: 0.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 77,536,194 km

• M1: 34,557 km (0.07 R)
• M2: 276,457 km (0.099 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.69 AU - 2.45 AU

Year: 1140 Days

Day: 33.8 Hours

Environment

Temp: -89 °C

Axial Tilt: 44.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.7

Radius: 11.6

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.83 AU - 5.29 AU

Year: 3728 Days

Day: 7 Hours

Environment

Temp: -151 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,536,194 km

• M1: 144,212 km (0.118 R)
• M2: 525,687 km (0.059 R)
• M3: 1,187,059 km (0.057 R)
• M4: 2,177,547 km (0.117 R)
• M5: 2,813,786 km (0.086 R)
• M6: 3,469,175 km (0.074 R)
• M7: 3,887,899 km (0.085 R)
• M8: 5,137,490 km (0.104 R)
• M9: 5,826,239 km (0.095 R)
• M10: 9,056,655 km (0.108 R)
• M11: 10,187,914 km (0.077 R)
• M12: 11,547,908 km (0.084 R)
• M13: 12,975,671 km (0.073 R)
• M14: 14,678,693 km (0.109 R)
• M15: 15,058,372 km (0.093 R)
• M16: 17,294,860 km (0.104 R)
• M17: 17,963,712 km (0.102 R)
• M18: 18,967,514 km (0.06 R)
• M19: 19,744,525 km (0.107 R)
• M20: 21,850,115 km (0.086 R)
• M21: 22,631,914 km (0.07 R)
• M22: 25,868,613 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.6

Radius: 9.2

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.83 AU - 5.17 AU

Year: 4281 Days

Day: 14.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,536,194 km

• M1: 114,442 km (0.094 R)
• M2: 578,345 km (0.079 R)
• M3: 1,177,036 km (0.067 R)
• M4: 1,542,204 km (0.067 R)
• M5: 2,009,399 km (0.117 R)
• M6: 3,247,471 km (0.088 R)
• M7: 3,847,208 km (0.118 R)
• M8: 4,858,191 km (0.115 R)
• M9: 5,188,503 km (0.11 R)
• M10: 6,008,299 km (0.103 R)
• M11: 9,254,124 km (0.054 R)
• M12: 10,167,419 km (0.105 R)
• M13: 12,218,855 km (0.11 R)
• M14: 13,170,297 km (0.102 R)
• M15: 16,490,622 km (0.113 R)
• M16: 17,592,410 km (0.064 R)
• M17: 18,742,369 km (0.025 R)
• M18: 19,367,539 km (0.057 R)
• M19: 20,331,099 km (0.081 R)
• M20: 23,198,890 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.2

Radius: 10.1

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.91 AU - 5.35 AU

Year: 4449 Days

Day: 8.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,536,194 km

• M1: 125,812 km (0.076 R)
• M2: 530,773 km (0.115 R)
• M3: 1,190,949 km (0.065 R)
• M4: 2,049,042 km (0.104 R)
• M5: 2,394,164 km (0.1 R)
• M6: 3,574,791 km (0.1 R)
• M7: 4,185,748 km (0.111 R)
• M8: 4,677,028 km (0.118 R)
• M9: 5,131,805 km (0.108 R)
• M10: 5,855,859 km (0.12 R)
• M11: 6,500,177 km (0.112 R)
• M12: 8,199,160 km (0.098 R)
• M13: 9,188,152 km (0.114 R)
• M14: 10,019,617 km (0.036 R)
• M15: 12,769,824 km (0.084 R)
• M16: 13,186,604 km (0.091 R)
• M17: 13,564,637 km (0.105 R)
• M18: 15,098,614 km (0.03 R)
• M19: 17,697,279 km (0.076 R)
• M20: 18,625,982 km (0.117 R)
• M21: 19,709,370 km (0.075 R)
• M22: 20,834,047 km (0.073 R)
• M23: 21,672,692 km (0.065 R)
• M24: 22,199,726 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 937.4

Radius: 3.9

Gravity: 61.63 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 10.75 AU - 15.31 AU

Year: 18009 Days

Day: 19 Hours

Environment

Temp: -185 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 77,536,194 km

• M1: 66,421 km (0.063 R)
• M2: 319,541 km (0.102 R)
• M3: 538,852 km (0.078 R)
• M4: 875,297 km (0.1 R)
• M5: 1,018,911 km (0.079 R)
• M6: 1,308,233 km (0.119 R)
• M7: 1,530,087 km (0.099 R)
• M8: 2,348,687 km (0.064 R)
• M9: 2,604,050 km (0.118 R)
• M10: 2,826,502 km (0.114 R)
• M11: 4,233,171 km (0.079 R)
• M12: 4,974,279 km (0.067 R)
• M13: 5,675,145 km (0.118 R)
• M14: 5,797,965 km (0.098 R)
• M15: 7,174,415 km (0.069 R)
• M16: 11,505,123 km (0.109 R)
• M17: 11,702,293 km (0.103 R)
• M18: 13,217,570 km (0.087 R)
• M19: 18,093,414 km (0.072 R)
• M20: 19,453,109 km (0.026 R)
• M21: 22,475,883 km (0.108 R)
• M22: 23,095,069 km (0.047 R)
• M23: 27,050,437 km (0.116 R)
• M24: 28,105,401 km (0.115 R)
• M25: 29,677,226 km (0.119 R)
• M26: 31,434,402 km (0.078 R)
• M27: 32,862,763 km (0.049 R)
• M28: 37,694,774 km (0.103 R)
• M29: 38,421,520 km (0.094 R)
• M30: 41,115,180 km (0.117 R)
• M31: 48,394,313 km (0.074 R)
• M32: 54,430,886 km (0.082 R)
• M33: 56,865,591 km (0.079 R)
• M34: 59,960,472 km (0.067 R)
• M35: 63,574,308 km (0.112 R)
• M36: 64,810,585 km (0.065 R)
• M37: 77,129,820 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 392.4

Radius: 6.8

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 12.56 AU - 16.72 AU

Year: 21448 Days

Day: 22.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,536,194 km

• M1: 96,790 km (0.078 R)
• M2: 637,736 km (0.114 R)
• M3: 920,924 km (0.108 R)
• M4: 2,919,552 km (0.111 R)
• M5: 3,917,071 km (0.05 R)
• M6: 5,053,715 km (0.033 R)
• M7: 5,489,793 km (0.079 R)
• M8: 7,674,820 km (0.114 R)
• M9: 9,762,308 km (0.115 R)
• M10: 11,696,609 km (0.067 R)
• M11: 13,872,809 km (0.093 R)
• M12: 15,166,980 km (0.072 R)
• M13: 19,529,703 km (0.064 R)
• M14: 25,912,894 km (0.054 R)
• M15: 27,757,137 km (0.102 R)
• M16: 30,271,428 km (0.097 R)
• M17: 32,685,190 km (0.034 R)
• M18: 46,072,703 km (0.07 R)
• M19: 46,698,471 km (0.118 R)
• M20: 50,904,266 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 459.2

Radius: 4.8

Gravity: 19.93 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 15.03 AU - 17.51 AU

Year: 25128 Days

Day: 19.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 77,536,194 km

• M1: 63,579 km (0.119 R)
• M2: 250,277 km (0.045 R)
• M3: 2,598,515 km (0.08 R)
• M4: 2,998,540 km (0.084 R)
• M5: 5,597,204 km (0.075 R)
• M6: 6,704,528 km (0.1 R)
• M7: 7,405,992 km (0.089 R)
• M8: 8,521,244 km (0.056 R)
• M9: 8,898,530 km (0.094 R)
• M10: 10,337,063 km (0.106 R)
• M11: 10,704,027 km (0.066 R)
• M12: 11,791,155 km (0.081 R)
• M13: 12,259,396 km (0.104 R)
• M14: 16,627,803 km (0.071 R)
• M15: 18,081,446 km (0.043 R)
• M16: 20,849,455 km (0.102 R)
• M17: 22,946,967 km (0.099 R)
• M18: 25,071,406 km (0.117 R)
• M19: 29,340,630 km (0.086 R)
• M20: 29,952,336 km (0.108 R)
• M21: 35,845,295 km (0.092 R)
• M22: 36,403,744 km (0.09 R)
• M23: 52,857,715 km (0.105 R)
• M24: 56,728,560 km (0.1 R)
• M25: 67,117,384 km (0.112 R)
• M26: 74,553,744 km (0.116 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 19,827 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit