🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.8

Radius: 10.6

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.53 AU - 0.79 AU

Year: 364 Days

Day: 12.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,793,982 km

• M1: 132,693 km (0.064 R)
• M2: 590,313 km (0.088 R)
• M3: 1,162,226 km (0.096 R)
• M4: 1,572,722 km (0.066 R)
• M5: 1,904,680 km (0.099 R)
• M6: 2,445,925 km (0.028 R)
• M7: 2,959,195 km (0.03 R)
• M8: 3,863,365 km (0.082 R)
• M9: 4,590,710 km (0.117 R)
• M10: 5,406,766 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.5

Radius: 12.2

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.76 AU - 0.86 AU

Year: 494 Days

Day: 7.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,793,982 km

• M1: 152,141 km (0.03 R)
• M2: 583,731 km (0.108 R)
• M3: 1,111,213 km (0.074 R)
• M4: 1,526,796 km (0.084 R)
• M5: 2,429,469 km (0.092 R)
• M6: 2,848,343 km (0.094 R)
• M7: 3,944,148 km (0.113 R)
• M8: 4,361,526 km (0.114 R)
• M9: 5,388,366 km (0.065 R)
• M10: 6,014,732 km (0.033 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.9

Radius: 11

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.07 AU - 1.39 AU

Year: 925 Days

Day: 12.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,793,982 km

• M1: 136,882 km (0.083 R)
• M2: 485,744 km (0.088 R)
• M3: 851,361 km (0.077 R)
• M4: 1,197,830 km (0.117 R)
• M5: 1,707,510 km (0.114 R)
• M6: 2,327,144 km (0.06 R)
• M7: 3,207,827 km (0.064 R)
• M8: 3,732,467 km (0.104 R)
• M9: 4,660,123 km (0.112 R)
• M10: 5,187,755 km (0.1 R)
• M11: 6,617,611 km (0.069 R)
• M12: 7,541,079 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.2

Radius: 14.1

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.11 AU - 1.63 AU

Year: 1088 Days

Day: 9.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,793,982 km

• M1: 175,927 km (0.057 R)
• M2: 677,379 km (0.066 R)
• M3: 1,229,844 km (0.105 R)
• M4: 1,873,863 km (0.107 R)
• M5: 2,562,911 km (0.114 R)
• M6: 3,088,298 km (0.078 R)
• M7: 4,500,951 km (0.117 R)
• M8: 5,272,427 km (0.093 R)
• M9: 5,822,050 km (0.107 R)
• M10: 7,936,765 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.6

Radius: 14.1

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.69 AU - 1.89 AU

Year: 1624 Days

Day: 11.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,793,982 km

• M1: 186,997 km (0.06 R)
• M2: 787,932 km (0.108 R)
• M3: 1,792,930 km (0.107 R)
• M4: 2,254,739 km (0.092 R)
• M5: 2,967,723 km (0.099 R)
• M6: 3,932,479 km (0.065 R)
• M7: 5,488,596 km (0.113 R)
• M8: 10,457,340 km (0.03 R)
• M9: 11,905,298 km (0.115 R)
• M10: 13,319,297 km (0.095 R)
• M11: 14,194,295 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.7

Radius: 8.9

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.82 AU - 2.82 AU

Year: 2397 Days

Day: 11.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,793,982 km

• M1: 110,702 km (0.113 R)
• M2: 403,615 km (0.089 R)
• M3: 732,581 km (0.091 R)
• M4: 1,211,593 km (0.078 R)
• M5: 1,588,131 km (0.114 R)
• M6: 1,935,348 km (0.073 R)
• M7: 2,537,928 km (0.106 R)
• M8: 2,875,869 km (0.077 R)
• M9: 3,310,900 km (0.086 R)
• M10: 4,435,876 km (0.105 R)
• M11: 4,862,380 km (0.116 R)
• M12: 6,203,824 km (0.104 R)
• M13: 10,461,230 km (0.063 R)
• M14: 11,064,109 km (0.072 R)
• M15: 12,011,512 km (0.079 R)
• M16: 12,380,271 km (0.025 R)
• M17: 13,664,868 km (0.077 R)
• M18: 15,416,659 km (0.104 R)
• M19: 15,852,587 km (0.06 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.8

Radius: 14

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 4.17 AU - 4.37 AU

Year: 5985 Days

Day: 13.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,793,982 km

• M1: 174,431 km (0.108 R)
• M2: 619,186 km (0.06 R)
• M3: 1,241,662 km (0.076 R)
• M4: 1,700,180 km (0.105 R)
• M5: 2,288,847 km (0.089 R)
• M6: 3,085,157 km (0.057 R)
• M7: 4,082,227 km (0.095 R)
• M8: 4,693,334 km (0.102 R)
• M9: 6,279,221 km (0.088 R)
• M10: 7,633,830 km (0.049 R)
• M11: 8,981,557 km (0.101 R)
• M12: 11,725,481 km (0.114 R)
• M13: 15,482,183 km (0.076 R)
• M14: 16,158,964 km (0.074 R)
• M15: 21,463,854 km (0.087 R)
• M16: 25,118,679 km (0.072 R)
• M17: 26,133,102 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 474.2

Radius: 4.7

Gravity: 21.47 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 5.68 AU - 8.16 AU

Year: 12347 Days

Day: 19.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 47,793,982 km

• M1: 60,438 km (0.09 R)
• M2: 269,575 km (0.102 R)
• M3: 419,921 km (0.118 R)
• M4: 847,771 km (0.113 R)
• M5: 1,427,762 km (0.08 R)
• M6: 2,008,202 km (0.087 R)
• M7: 3,131,383 km (0.057 R)
• M8: 6,006,205 km (0.055 R)
• M9: 8,436,273 km (0.113 R)
• M10: 8,896,436 km (0.026 R)
• M11: 12,538,695 km (0.114 R)
• M12: 13,692,843 km (0.057 R)
• M13: 17,800,202 km (0.09 R)
• M14: 18,175,543 km (0.095 R)
• M15: 18,709,906 km (0.077 R)
• M16: 23,636,763 km (0.082 R)
• M17: 24,549,310 km (0.07 R)
• M18: 25,485,194 km (0.065 R)
• M19: 26,444,565 km (0.091 R)
• M20: 32,936,215 km (0.079 R)
• M21: 37,031,756 km (0.1 R)
• M22: 37,643,163 km (0.05 R)
• M23: 42,245,840 km (0.119 R)
• M24: 43,452,347 km (0.089 R)
• M25: 44,269,451 km (0.109 R)
• M26: 45,514,105 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 194.6

Radius: 5.3

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 8.86 AU - 9.38 AU

Year: 18680 Days

Day: 18.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,793,982 km

• M1: 84,523 km (0.062 R)
• M2: 257,757 km (0.119 R)
• M3: 430,842 km (0.106 R)
• M4: 1,047,783 km (0.035 R)
• M5: 1,420,133 km (0.115 R)
• M6: 1,644,529 km (0.117 R)
• M7: 2,425,131 km (0.088 R)
• M8: 2,768,458 km (0.101 R)
• M9: 3,627,300 km (0.096 R)
• M10: 4,357,337 km (0.116 R)
• M11: 5,410,506 km (0.111 R)
• M12: 6,322,904 km (0.105 R)
• M13: 6,661,444 km (0.057 R)
• M14: 7,011,802 km (0.115 R)
• M15: 14,679,441 km (0.112 R)
• M16: 15,473,955 km (0.101 R)
• M17: 16,019,239 km (0.101 R)
• M18: 16,718,908 km (0.111 R)
• M19: 20,688,338 km (0.094 R)
• M20: 24,502,635 km (0.072 R)
• M21: 29,792,715 km (0.039 R)
• M22: 46,516,860 km (0.089 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 16,562 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit