🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.5 AU - 0.54 AU

Year: 242 Days

Day: 20 Hours

Environment

Temp: -118 °C

Axial Tilt: 16.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,708,962 km

• M1: 41,887 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.4

Radius: 10.3

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.72 AU - 0.74 AU

Year: 403 Days

Day: 8 Hours

Environment

Temp: -140 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,708,962 km

• M1: 128,355 km (0.111 R)
• M2: 466,596 km (0.115 R)
• M3: 787,184 km (0.101 R)
• M4: 1,242,261 km (0.119 R)
• M5: 1,695,093 km (0.111 R)
• M6: 2,927,780 km (0.119 R)
• M7: 3,654,526 km (0.065 R)
• M8: 4,238,257 km (0.108 R)
• M9: 4,972,035 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.4

Radius: 14.6

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.96 AU - 0.98 AU

Year: 617 Days

Day: 5.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,708,962 km

• M1: 181,612 km (0.032 R)
• M2: 662,120 km (0.117 R)
• M3: 1,331,720 km (0.099 R)
• M4: 1,791,135 km (0.117 R)
• M5: 2,951,117 km (0.056 R)
• M6: 3,479,347 km (0.106 R)
• M7: 4,175,725 km (0.101 R)
• M8: 4,663,265 km (0.12 R)
• M9: 5,136,443 km (0.116 R)
• M10: 6,023,109 km (0.114 R)
• M11: 6,816,726 km (0.099 R)
• M12: 7,473,910 km (0.104 R)
• M13: 7,982,542 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541

Radius: 11.5

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.9 AU - 1.24 AU

Year: 715 Days

Day: 7 Hours

Environment

Temp: -167 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,708,962 km

• M1: 143,016 km (0.078 R)
• M2: 513,121 km (0.104 R)
• M3: 925,263 km (0.07 R)
• M4: 1,308,981 km (0.058 R)
• M5: 1,970,952 km (0.105 R)
• M6: 3,226,377 km (0.113 R)
• M7: 4,439,466 km (0.049 R)
• M8: 4,872,103 km (0.099 R)
• M9: 5,385,673 km (0.106 R)
• M10: 7,189,823 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.7

Radius: 14.8

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.36 AU - 3.65 AU

Year: 3355 Days

Day: 9.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,708,962 km

• M1: 184,005 km (0.118 R)
• M2: 784,491 km (0.077 R)
• M3: 1,339,948 km (0.093 R)
• M4: 1,851,124 km (0.096 R)
• M5: 2,360,355 km (0.067 R)
• M6: 3,157,413 km (0.083 R)
• M7: 4,172,135 km (0.078 R)
• M8: 4,672,839 km (0.103 R)
• M9: 5,526,594 km (0.098 R)
• M10: 8,050,310 km (0.1 R)
• M11: 9,819,754 km (0.084 R)
• M12: 10,922,739 km (0.102 R)
• M13: 12,800,791 km (0.059 R)
• M14: 13,278,008 km (0.088 R)
• M15: 14,066,389 km (0.07 R)
• M16: 14,574,872 km (0.092 R)
• M17: 17,074,054 km (0.096 R)
• M18: 17,536,162 km (0.107 R)
• M19: 23,188,119 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.1

Radius: 10.8

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 4.5 AU - 5.34 AU

Year: 7046 Days

Day: 6.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,708,962 km

• M1: 135,236 km (0.089 R)
• M2: 490,382 km (0.072 R)
• M3: 846,425 km (0.101 R)
• M4: 1,384,379 km (0.113 R)
• M5: 3,438,208 km (0.115 R)
• M6: 4,148,648 km (0.071 R)
• M7: 4,640,825 km (0.098 R)
• M8: 5,366,674 km (0.115 R)
• M9: 6,166,424 km (0.066 R)
• M10: 9,413,596 km (0.101 R)
• M11: 12,221,697 km (0.119 R)
• M12: 17,666,611 km (0.073 R)
• M13: 19,700,244 km (0.111 R)
• M14: 20,318,832 km (0.036 R)
• M15: 22,848,083 km (0.114 R)
• M16: 24,305,615 km (0.105 R)
• M17: 27,917,506 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.2

Radius: 11.9

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 4.25 AU - 6.47 AU

Year: 8012 Days

Day: 8.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 133.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,708,962 km

• M1: 148,401 km (0.051 R)
• M2: 564,732 km (0.037 R)
• M3: 955,332 km (0.112 R)
• M4: 2,014,934 km (0.112 R)
• M5: 2,394,912 km (0.109 R)
• M6: 3,836,737 km (0.094 R)
• M7: 5,824,743 km (0.082 R)
• M8: 7,930,482 km (0.12 R)
• M9: 9,605,230 km (0.063 R)
• M10: 14,836,070 km (0.098 R)
• M11: 15,269,903 km (0.075 R)
• M12: 17,705,357 km (0.032 R)
• M13: 20,161,903 km (0.041 R)
• M14: 24,863,316 km (0.117 R)
• M15: 30,846,782 km (0.088 R)
• M16: 33,742,398 km (0.091 R)
• M17: 35,475,938 km (0.115 R)
• M18: 37,725,441 km (0.043 R)
• M19: 39,711,054 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.1

Radius: 8.6

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 4.7 AU - 7.22 AU

Year: 9395 Days

Day: 10.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,708,962 km

• M1: 106,962 km (0.084 R)
• M2: 830,119 km (0.032 R)
• M3: 1,142,928 km (0.044 R)
• M4: 1,547,440 km (0.097 R)
• M5: 2,757,687 km (0.117 R)
• M6: 3,318,230 km (0.068 R)
• M7: 4,324,725 km (0.116 R)
• M8: 5,705,364 km (0.115 R)
• M9: 7,033,344 km (0.073 R)
• M10: 7,580,872 km (0.083 R)
• M11: 8,637,781 km (0.076 R)
• M12: 9,438,279 km (0.112 R)
• M13: 9,834,414 km (0.03 R)
• M14: 10,993,050 km (0.111 R)
• M15: 11,333,235 km (0.103 R)
• M16: 13,249,435 km (0.1 R)
• M17: 15,859,469 km (0.107 R)
• M18: 18,247,649 km (0.1 R)
• M19: 20,498,050 km (0.117 R)
• M20: 24,954,122 km (0.064 R)
• M21: 27,629,530 km (0.095 R)
• M22: 30,681,626 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 249.4

Radius: 7.7

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 6.19 AU - 8.59 AU

Year: 12971 Days

Day: 16.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,708,962 km

• M1: 113,545 km (0.026 R)
• M2: 430,543 km (0.045 R)
• M3: 1,225,506 km (0.081 R)
• M4: 1,489,995 km (0.078 R)
• M5: 1,990,549 km (0.044 R)
• M6: 2,734,200 km (0.094 R)
• M7: 4,932,541 km (0.119 R)
• M8: 5,675,594 km (0.12 R)
• M9: 7,266,417 km (0.085 R)
• M10: 11,825,113 km (0.072 R)
• M11: 14,026,147 km (0.067 R)
• M12: 17,644,022 km (0.113 R)
• M13: 18,421,183 km (0.095 R)
• M14: 23,486,118 km (0.09 R)
• M15: 23,825,106 km (0.094 R)
• M16: 30,399,035 km (0.098 R)
• M17: 31,207,911 km (0.097 R)
• M18: 32,763,280 km (0.098 R)
• M19: 34,152,446 km (0.096 R)
• M20: 37,854,395 km (0.115 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 537 - 11,723 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit