🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.7 AU - 0.8 AU

Year: 230 Days

Day: 12.8 Hours

Environment

Temp: 126 °C

Axial Tilt: 179.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.3 AU - 1.52 AU

Year: 594 Days

Day: 35 Hours

Environment

Temp: -13 °C

Axial Tilt: 48 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.1

Radius: 10.9

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.8 AU - 6.62 AU

Year: 4841 Days

Day: 11.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,279,191 km

• M1: 135,685 km (0.046 R)
• M2: 501,602 km (0.106 R)
• M3: 879,187 km (0.087 R)
• M4: 1,662,032 km (0.073 R)
• M5: 2,623,647 km (0.115 R)
• M6: 3,032,498 km (0.111 R)
• M7: 3,608,001 km (0.102 R)
• M8: 3,999,050 km (0.092 R)
• M9: 4,714,128 km (0.116 R)
• M10: 5,682,475 km (0.048 R)
• M11: 6,033,133 km (0.105 R)
• M12: 7,231,262 km (0.119 R)
• M13: 8,072,301 km (0.109 R)
• M14: 9,078,048 km (0.065 R)
• M15: 10,873,671 km (0.106 R)
• M16: 12,099,476 km (0.112 R)
• M17: 13,196,627 km (0.12 R)
• M18: 15,107,440 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.6

Radius: 13.5

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 5.03 AU - 8.13 AU

Year: 5988 Days

Day: 5.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,279,191 km

• M1: 167,998 km (0.107 R)
• M2: 749,186 km (0.107 R)
• M3: 1,433,297 km (0.081 R)
• M4: 2,788,804 km (0.056 R)
• M5: 3,558,335 km (0.112 R)
• M6: 4,080,282 km (0.107 R)
• M7: 4,988,042 km (0.064 R)
• M8: 5,769,990 km (0.12 R)
• M9: 8,696,274 km (0.081 R)
• M10: 12,657,925 km (0.079 R)
• M11: 16,436,019 km (0.084 R)
• M12: 17,823,988 km (0.038 R)
• M13: 19,217,193 km (0.105 R)
• M14: 20,832,401 km (0.039 R)
• M15: 22,298,759 km (0.06 R)
• M16: 23,097,612 km (0.107 R)
• M17: 26,752,138 km (0.072 R)
• M18: 35,724,420 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.8

Radius: 9.6

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 8.54 AU - 9.04 AU

Year: 9245 Days

Day: 9.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,279,191 km

• M1: 120,875 km (0.047 R)
• M2: 666,459 km (0.112 R)
• M3: 1,137,243 km (0.111 R)
• M4: 1,608,177 km (0.037 R)
• M5: 2,877,515 km (0.097 R)
• M6: 3,210,969 km (0.11 R)
• M7: 4,228,982 km (0.087 R)
• M8: 5,852,867 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.9

Radius: 8.8

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 8.88 AU - 10.42 AU

Year: 10635 Days

Day: 9.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,279,191 km

• M1: 109,506 km (0.073 R)
• M2: 751,131 km (0.094 R)
• M3: 1,236,277 km (0.068 R)
• M4: 1,531,134 km (0.091 R)
• M5: 2,014,485 km (0.096 R)
• M6: 2,445,925 km (0.108 R)
• M7: 3,424,594 km (0.082 R)
• M8: 4,390,847 km (0.08 R)
• M9: 5,560,852 km (0.07 R)
• M10: 5,925,721 km (0.119 R)
• M11: 6,593,526 km (0.116 R)
• M12: 8,120,472 km (0.096 R)
• M13: 9,679,880 km (0.076 R)
• M14: 12,688,443 km (0.117 R)
• M15: 14,281,062 km (0.072 R)
• M16: 15,608,892 km (0.116 R)
• M17: 17,086,171 km (0.048 R)
• M18: 17,434,585 km (0.105 R)
• M19: 20,786,475 km (0.107 R)
• M20: 21,343,876 km (0.046 R)
• M21: 24,281,380 km (0.113 R)
• M22: 24,810,657 km (0.105 R)
• M23: 28,831,848 km (0.084 R)
• M24: 30,534,721 km (0.111 R)
• M25: 40,432,714 km (0.088 R)
• M26: 41,426,343 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.3

Radius: 12.3

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 10.2 AU - 12.78 AU

Year: 13817 Days

Day: 5.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,279,191 km

• M1: 153,039 km (0.045 R)
• M2: 817,253 km (0.025 R)
• M3: 2,542,266 km (0.029 R)
• M4: 2,973,706 km (0.12 R)
• M5: 3,507,621 km (0.078 R)
• M6: 4,476,267 km (0.092 R)
• M7: 6,684,033 km (0.09 R)
• M8: 8,313,902 km (0.029 R)
• M9: 8,759,853 km (0.038 R)
• M10: 10,590,931 km (0.12 R)
• M11: 11,657,564 km (0.114 R)
• M12: 14,494,687 km (0.066 R)
• M13: 18,008,592 km (0.111 R)
• M14: 26,882,887 km (0.078 R)
• M15: 28,191,868 km (0.052 R)
• M16: 33,480,602 km (0.096 R)
• M17: 43,112,461 km (0.071 R)
• M18: 44,451,810 km (0.118 R)
• M19: 45,972,174 km (0.091 R)
• M20: 47,842,147 km (0.106 R)
• M21: 60,693,053 km (0.094 R)
• M22: 63,895,195 km (0.063 R)

Kuiper Belt

Range: 30.9 - 45.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 302 - 15,487 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit