🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.51 AU - 0.69 AU

Year: 305 Days

Day: 15.4 Hours

Environment

Temp: -123 °C

Axial Tilt: 5.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 92,765,009 km

• M1: 404,363 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.4

Radius: 13.2

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.79 AU - 0.99 AU

Year: 551 Days

Day: 14.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 92,765,009 km

• M1: 164,109 km (0.11 R)
• M2: 672,592 km (0.108 R)
• M3: 1,136,046 km (0.109 R)
• M4: 1,605,484 km (0.099 R)
• M5: 2,424,981 km (0.118 R)
• M6: 2,841,911 km (0.107 R)
• M7: 3,546,218 km (0.033 R)
• M8: 4,379,029 km (0.107 R)
• M9: 5,705,812 km (0.041 R)
• M10: 6,146,528 km (0.081 R)
• M11: 6,629,878 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.6

Radius: 10

Gravity: 9.88 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.04 AU - 1.26 AU

Year: 809 Days

Day: 13.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 92,765,009 km

• M1: 124,316 km (0.061 R)
• M2: 455,226 km (0.079 R)
• M3: 798,853 km (0.114 R)
• M4: 1,176,438 km (0.1 R)
• M5: 1,726,210 km (0.094 R)
• M6: 2,210,608 km (0.094 R)
• M7: 2,821,416 km (0.108 R)
• M8: 3,368,346 km (0.057 R)
• M9: 3,858,578 km (0.039 R)
• M10: 4,227,935 km (0.084 R)
• M11: 4,727,442 km (0.118 R)
• M12: 5,803,649 km (0.109 R)
• M13: 6,780,823 km (0.11 R)
• M14: 7,914,924 km (0.116 R)
• M15: 8,381,221 km (0.093 R)
• M16: 9,656,393 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394

Radius: 11.8

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.86 AU - 2.44 AU

Year: 2068 Days

Day: 8.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 92,765,009 km

• M1: 146,756 km (0.105 R)
• M2: 557,701 km (0.099 R)
• M3: 984,055 km (0.111 R)
• M4: 1,378,694 km (0.091 R)
• M5: 1,955,095 km (0.106 R)
• M6: 2,492,151 km (0.029 R)
• M7: 3,023,074 km (0.069 R)
• M8: 3,546,816 km (0.108 R)
• M9: 4,130,397 km (0.042 R)
• M10: 5,062,841 km (0.111 R)
• M11: 5,556,963 km (0.056 R)
• M12: 6,493,296 km (0.068 R)
• M13: 7,182,792 km (0.101 R)
• M14: 7,780,136 km (0.074 R)
• M15: 8,293,257 km (0.119 R)
• M16: 9,419,280 km (0.046 R)
• M17: 10,404,831 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.6

Radius: 14.9

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.85 AU - 4.97 AU

Year: 6075 Days

Day: 11.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 92,765,009 km

• M1: 186,698 km (0.082 R)
• M2: 1,425,967 km (0.11 R)
• M3: 2,228,559 km (0.102 R)
• M4: 3,352,787 km (0.113 R)
• M5: 3,966,737 km (0.103 R)
• M6: 10,001,814 km (0.117 R)
• M7: 11,921,754 km (0.036 R)
• M8: 14,583,848 km (0.101 R)
• M9: 15,055,380 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.8

Radius: 12.6

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 4.7 AU - 5.82 AU

Year: 7914 Days

Day: 5.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 92,765,009 km

• M1: 157,227 km (0.057 R)
• M2: 598,541 km (0.034 R)
• M3: 1,286,392 km (0.064 R)
• M4: 1,696,889 km (0.105 R)
• M5: 2,230,803 km (0.08 R)
• M6: 2,855,075 km (0.12 R)
• M7: 4,344,173 km (0.095 R)
• M8: 5,483,510 km (0.106 R)
• M9: 6,123,340 km (0.067 R)
• M10: 7,002,377 km (0.106 R)
• M11: 9,568,280 km (0.097 R)
• M12: 10,148,271 km (0.106 R)
• M13: 10,854,522 km (0.091 R)
• M14: 11,701,545 km (0.102 R)
• M15: 13,889,714 km (0.108 R)
• M16: 15,933,669 km (0.12 R)
• M17: 19,137,308 km (0.061 R)
• M18: 21,334,302 km (0.091 R)
• M19: 23,694,657 km (0.094 R)
• M20: 26,505,601 km (0.067 R)
• M21: 27,845,100 km (0.08 R)
• M22: 32,027,558 km (0.079 R)
• M23: 35,455,294 km (0.055 R)
• M24: 38,755,124 km (0.119 R)
• M25: 40,354,624 km (0.073 R)
• M26: 43,684,972 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 859.8

Radius: 5.3

Gravity: 30.61 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 10.92 AU - 11.14 AU

Year: 24031 Days

Day: 18.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 92,765,009 km

• M1: 65,973 km (0.118 R)
• M2: 417,827 km (0.087 R)
• M3: 796,459 km (0.053 R)
• M4: 1,363,435 km (0.086 R)
• M5: 5,233,233 km (0.097 R)
• M6: 6,223,870 km (0.109 R)
• M7: 8,124,960 km (0.081 R)
• M8: 9,207,001 km (0.095 R)
• M9: 10,317,765 km (0.118 R)
• M10: 12,580,882 km (0.11 R)
• M11: 13,479,815 km (0.111 R)
• M12: 20,088,900 km (0.07 R)
• M13: 24,480,495 km (0.105 R)
• M14: 26,595,509 km (0.086 R)
• M15: 26,959,481 km (0.06 R)
• M16: 35,391,565 km (0.085 R)
• M17: 36,573,837 km (0.111 R)
• M18: 40,278,628 km (0.11 R)
• M19: 40,598,169 km (0.116 R)
• M20: 46,995,872 km (0.096 R)
• M21: 56,794,084 km (0.076 R)
• M22: 64,757,328 km (0.105 R)
• M23: 69,691,215 km (0.112 R)
• M24: 77,060,257 km (0.115 R)
• M25: 83,887,305 km (0.028 R)
• M26: 86,514,693 km (0.119 R)
• M27: 86,780,528 km (0.097 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: 385 - 14,953 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit