🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.45 AU - 0.63 AU

Year: 256 Days

Day: 14.9 Hours

Environment

Temp: -121 °C

Axial Tilt: 20.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.5

Radius: 11.9

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.81 AU - 1.05 AU

Year: 579 Days

Day: 14.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,399,874 km

• M1: 147,952 km (0.027 R)
• M2: 549,323 km (0.105 R)
• M3: 1,065,436 km (0.079 R)
• M4: 1,551,330 km (0.103 R)
• M5: 3,006,020 km (0.059 R)
• M6: 3,635,527 km (0.111 R)
• M7: 4,121,571 km (0.083 R)
• M8: 5,917,793 km (0.073 R)
• M9: 6,381,396 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.4

Radius: 10.4

Gravity: 8.87 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.77 AU - 1.85 AU

Year: 1572 Days

Day: 6.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,399,874 km

• M1: 131,347 km (0.063 R)
• M2: 914,193 km (0.102 R)
• M3: 1,404,574 km (0.11 R)
• M4: 1,864,289 km (0.075 R)
• M5: 2,358,560 km (0.048 R)
• M6: 3,715,712 km (0.099 R)
• M7: 4,894,244 km (0.066 R)
• M8: 5,308,181 km (0.07 R)
• M9: 6,407,726 km (0.088 R)
• M10: 8,121,668 km (0.071 R)
• M11: 8,640,773 km (0.081 R)
• M12: 9,745,404 km (0.075 R)
• M13: 10,296,672 km (0.065 R)
• M14: 14,401,338 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.9

Radius: 13

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.57 AU - 2.11 AU

Year: 1612 Days

Day: 7.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,399,874 km

• M1: 162,014 km (0.08 R)
• M2: 577,298 km (0.079 R)
• M3: 1,032,674 km (0.098 R)
• M4: 1,603,240 km (0.087 R)
• M5: 2,009,847 km (0.076 R)
• M6: 2,708,170 km (0.115 R)
• M7: 3,625,205 km (0.05 R)
• M8: 5,573,867 km (0.057 R)
• M9: 5,982,269 km (0.074 R)
• M10: 6,480,281 km (0.087 R)
• M11: 8,034,902 km (0.113 R)
• M12: 8,557,746 km (0.06 R)
• M13: 9,191,443 km (0.116 R)
• M14: 10,296,073 km (0.1 R)
• M15: 11,833,790 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.1

Radius: 8.6

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.89 AU - 4.03 AU

Year: 4156 Days

Day: 6.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,399,874 km

• M1: 107,112 km (0.092 R)
• M2: 655,987 km (0.093 R)
• M3: 1,620,444 km (0.087 R)
• M4: 1,896,003 km (0.102 R)
• M5: 2,686,479 km (0.056 R)
• M6: 3,147,689 km (0.07 R)
• M7: 5,151,253 km (0.086 R)
• M8: 6,116,608 km (0.044 R)
• M9: 7,952,174 km (0.1 R)
• M10: 8,867,414 km (0.085 R)
• M11: 10,780,471 km (0.071 R)
• M12: 11,811,201 km (0.113 R)
• M13: 12,906,407 km (0.066 R)
• M14: 14,067,885 km (0.053 R)
• M15: 14,725,367 km (0.104 R)
• M16: 15,297,579 km (0.057 R)
• M17: 16,375,731 km (0.116 R)
• M18: 16,877,183 km (0.106 R)
• M19: 19,169,022 km (0.114 R)
• M20: 19,788,657 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.7

Radius: 10.2

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.74 AU - 4.32 AU

Year: 5224 Days

Day: 13.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,399,874 km

• M1: 133,591 km (0.085 R)
• M2: 520,152 km (0.096 R)
• M3: 902,973 km (0.083 R)
• M4: 1,442,722 km (0.077 R)
• M5: 2,172,759 km (0.086 R)
• M6: 2,939,748 km (0.057 R)
• M7: 3,293,397 km (0.096 R)
• M8: 3,631,638 km (0.119 R)
• M9: 4,255,611 km (0.106 R)
• M10: 4,606,418 km (0.076 R)
• M11: 4,976,523 km (0.118 R)
• M12: 6,145,331 km (0.068 R)
• M13: 6,895,564 km (0.108 R)
• M14: 10,563,106 km (0.073 R)
• M15: 14,006,549 km (0.058 R)
• M16: 14,448,910 km (0.099 R)
• M17: 16,070,850 km (0.106 R)
• M18: 17,364,722 km (0.093 R)
• M19: 18,993,993 km (0.041 R)
• M20: 21,809,275 km (0.117 R)
• M21: 26,789,089 km (0.07 R)
• M22: 30,224,455 km (0.097 R)
• M23: 31,057,116 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.5

Radius: 8.9

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.77 AU - 4.65 AU

Year: 5577 Days

Day: 10.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,399,874 km

• M1: 115,789 km (0.089 R)
• M2: 555,457 km (0.062 R)
• M3: 1,426,416 km (0.114 R)
• M4: 1,935,348 km (0.078 R)
• M5: 2,286,603 km (0.116 R)
• M6: 3,235,952 km (0.12 R)
• M7: 3,583,617 km (0.077 R)
• M8: 5,042,196 km (0.056 R)
• M9: 5,683,522 km (0.068 R)
• M10: 6,008,898 km (0.107 R)
• M11: 7,161,998 km (0.112 R)
• M12: 7,577,431 km (0.087 R)
• M13: 7,935,718 km (0.105 R)
• M14: 8,609,357 km (0.059 R)
• M15: 10,503,865 km (0.086 R)
• M16: 19,713,559 km (0.04 R)
• M17: 20,323,918 km (0.061 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 44.2

Radius: 3

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 7.74 AU - 11.48 AU

Year: 19235 Days

Day: 16.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,399,874 km

• M1: 37,848 km (0.042 R)
• M2: 495,767 km (0.072 R)
• M3: 2,190,861 km (0.105 R)
• M4: 2,965,927 km (0.102 R)
• M5: 4,924,612 km (0.118 R)
• M6: 8,575,399 km (0.112 R)
• M7: 10,892,819 km (0.106 R)
• M8: 25,419,670 km (0.105 R)
• M9: 28,679,258 km (0.063 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 146

Radius: 4.5

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 8.51 AU - 12.93 AU

Year: 22662 Days

Day: 20.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,399,874 km

• M1: 182,809 km (0.078 R)
• M2: 324,927 km (0.099 R)
• M3: 817,702 km (0.049 R)
• M4: 1,093,411 km (0.07 R)
• M5: 1,322,744 km (0.08 R)
• M6: 4,061,881 km (0.081 R)
• M7: 4,734,623 km (0.1 R)
• M8: 5,615,904 km (0.094 R)
• M9: 6,717,692 km (0.103 R)
• M10: 9,146,115 km (0.078 R)
• M11: 15,231,457 km (0.073 R)
• M12: 15,708,524 km (0.102 R)
• M13: 16,620,772 km (0.099 R)
• M14: 19,809,152 km (0.054 R)
• M15: 21,716,824 km (0.095 R)
• M16: 25,605,321 km (0.086 R)
• M17: 30,039,552 km (0.079 R)
• M18: 40,909,632 km (0.071 R)
• M19: 42,362,227 km (0.099 R)
• M20: 44,812,790 km (0.098 R)
• M21: 46,356,042 km (0.111 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 411 - 14,359 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit