🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.5

Radius: 13.7

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.51 AU - 0.53 AU

Year: 259 Days

Day: 9 Hours

Environment

Temp: -139 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 61,287,188 km

• M1: 172,935 km (0.099 R)
• M2: 636,090 km (0.099 R)
• M3: 1,117,945 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.3

Radius: 13.1

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.49 AU - 0.63 AU

Year: 289 Days

Day: 7 Hours

Environment

Temp: -150 °C

Axial Tilt: 141.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 61,287,188 km

• M1: 181,462 km (0.086 R)
• M2: 692,937 km (0.088 R)
• M3: 1,487,003 km (0.096 R)
• M4: 2,627,836 km (0.046 R)
• M5: 3,090,542 km (0.054 R)
• M6: 3,546,367 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.1

Radius: 9.7

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.52 AU - 0.76 AU

Year: 353 Days

Day: 12.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,287,188 km

• M1: 122,371 km (0.084 R)
• M2: 438,621 km (0.091 R)
• M3: 883,076 km (0.066 R)
• M4: 1,227,600 km (0.046 R)
• M5: 2,399,999 km (0.118 R)
• M6: 3,012,303 km (0.112 R)
• M7: 3,411,430 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.5

Radius: 8

Gravity: 11.3 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.92 AU - 2.62 AU

Year: 2361 Days

Day: 8.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,287,188 km

• M1: 101,128 km (0.11 R)
• M2: 433,086 km (0.102 R)
• M3: 1,503,159 km (0.104 R)
• M4: 1,858,006 km (0.118 R)
• M5: 2,137,754 km (0.032 R)
• M6: 2,752,601 km (0.073 R)
• M7: 3,643,755 km (0.083 R)
• M8: 6,245,262 km (0.119 R)
• M9: 10,475,740 km (0.083 R)
• M10: 11,013,694 km (0.107 R)
• M11: 12,824,726 km (0.052 R)
• M12: 13,086,223 km (0.102 R)
• M13: 15,210,663 km (0.065 R)
• M14: 16,662,510 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.4

Radius: 11.1

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.39 AU - 3.73 AU

Year: 4636 Days

Day: 9.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,287,188 km

• M1: 143,315 km (0.099 R)
• M2: 637,736 km (0.094 R)
• M3: 1,126,622 km (0.044 R)
• M4: 2,677,802 km (0.113 R)
• M5: 3,168,632 km (0.037 R)
• M6: 4,200,110 km (0.042 R)
• M7: 4,698,869 km (0.074 R)
• M8: 5,313,268 km (0.105 R)
• M9: 5,897,597 km (0.099 R)
• M10: 8,356,088 km (0.107 R)
• M11: 12,314,448 km (0.083 R)
• M12: 13,006,936 km (0.072 R)
• M13: 13,482,957 km (0.114 R)
• M14: 20,202,444 km (0.057 R)
• M15: 22,159,633 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.2

Radius: 12

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 3.75 AU - 4.41 AU

Year: 5689 Days

Day: 10.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,287,188 km

• M1: 149,897 km (0.099 R)
• M2: 618,737 km (0.08 R)
• M3: 1,023,399 km (0.036 R)
• M4: 1,555,668 km (0.111 R)
• M5: 3,045,364 km (0.11 R)
• M6: 3,990,972 km (0.097 R)
• M7: 4,870,907 km (0.106 R)
• M8: 5,847,781 km (0.108 R)
• M9: 6,919,201 km (0.096 R)
• M10: 7,703,393 km (0.05 R)
• M11: 8,082,324 km (0.098 R)
• M12: 8,509,725 km (0.111 R)
• M13: 9,371,259 km (0.111 R)
• M14: 10,290,239 km (0.099 R)
• M15: 10,921,243 km (0.053 R)
• M16: 11,667,437 km (0.065 R)
• M17: 14,419,440 km (0.042 R)
• M18: 14,837,566 km (0.109 R)
• M19: 16,648,747 km (0.108 R)
• M20: 17,225,596 km (0.116 R)
• M21: 18,603,094 km (0.107 R)
• M22: 19,923,744 km (0.069 R)
• M23: 23,677,753 km (0.093 R)
• M24: 24,407,641 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 999.2

Radius: 6.8

Gravity: 21.61 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.11 AU - 8.29 AU

Year: 11971 Days

Day: 19.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 61,287,188 km

• M1: 175,179 km (0.089 R)
• M2: 459,714 km (0.12 R)
• M3: 951,891 km (0.069 R)
• M4: 2,244,267 km (0.077 R)
• M5: 2,822,762 km (0.082 R)
• M6: 4,395,933 km (0.11 R)
• M7: 5,087,674 km (0.068 R)
• M8: 6,520,223 km (0.117 R)
• M9: 6,853,078 km (0.065 R)
• M10: 7,418,110 km (0.109 R)
• M11: 8,013,659 km (0.09 R)
• M12: 8,940,717 km (0.05 R)
• M13: 9,509,189 km (0.072 R)
• M14: 9,829,178 km (0.099 R)
• M15: 10,046,544 km (0.094 R)
• M16: 10,322,851 km (0.057 R)
• M17: 11,123,200 km (0.09 R)
• M18: 11,841,569 km (0.115 R)
• M19: 13,041,643 km (0.096 R)
• M20: 14,044,846 km (0.059 R)
• M21: 14,883,642 km (0.109 R)
• M22: 15,315,381 km (0.103 R)
• M23: 18,002,009 km (0.034 R)
• M24: 20,365,506 km (0.099 R)
• M25: 21,897,239 km (0.091 R)
• M26: 22,175,341 km (0.098 R)
• M27: 31,069,084 km (0.098 R)
• M28: 32,369,838 km (0.078 R)
• M29: 40,805,063 km (0.106 R)
• M30: 42,795,612 km (0.09 R)
• M31: 49,951,327 km (0.083 R)
• M32: 55,083,282 km (0.044 R)
• M33: 58,218,555 km (0.117 R)
• M34: 60,738,082 km (0.103 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 374 - 15,190 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit