🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.9

Radius: 13.3

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.68 AU - 0.78 AU

Year: 397 Days

Day: 14.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,956,059 km

• M1: 165,455 km (0.104 R)
• M2: 595,848 km (0.087 R)
• M3: 1,097,001 km (0.062 R)
• M4: 1,537,866 km (0.056 R)
• M5: 1,975,290 km (0.083 R)
• M6: 2,719,689 km (0.03 R)
• M7: 3,271,107 km (0.08 R)
• M8: 3,703,445 km (0.094 R)
• M9: 5,116,995 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.5

Radius: 9.2

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.73 AU - 1.03 AU

Year: 525 Days

Day: 13 Hours

Environment

Temp: -159 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,956,059 km

• M1: 114,442 km (0.118 R)
• M2: 419,622 km (0.086 R)
• M3: 722,558 km (0.111 R)
• M4: 1,064,090 km (0.106 R)
• M5: 1,468,901 km (0.044 R)
• M6: 1,928,167 km (0.118 R)
• M7: 2,274,037 km (0.099 R)
• M8: 2,710,414 km (0.087 R)
• M9: 3,114,179 km (0.065 R)
• M10: 3,617,576 km (0.075 R)
• M11: 4,614,346 km (0.057 R)
• M12: 4,934,635 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370

Radius: 10.1

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.9 AU - 1.14 AU

Year: 655 Days

Day: 6.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,956,059 km

• M1: 125,961 km (0.057 R)
• M2: 505,940 km (0.117 R)
• M3: 848,220 km (0.092 R)
• M4: 1,364,033 km (0.108 R)
• M5: 1,801,757 km (0.118 R)
• M6: 2,759,034 km (0.099 R)
• M7: 4,348,212 km (0.05 R)
• M8: 4,688,397 km (0.09 R)
• M9: 6,049,289 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.5

Radius: 8.9

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.05 AU - 1.23 AU

Year: 774 Days

Day: 10.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,956,059 km

• M1: 110,702 km (0.108 R)
• M2: 391,797 km (0.062 R)
• M3: 737,667 km (0.045 R)
• M4: 1,068,428 km (0.073 R)
• M5: 1,352,814 km (0.101 R)
• M6: 1,672,205 km (0.099 R)
• M7: 2,157,500 km (0.094 R)
• M8: 2,699,494 km (0.088 R)
• M9: 3,237,896 km (0.072 R)
• M10: 3,602,466 km (0.066 R)
• M11: 4,100,627 km (0.116 R)
• M12: 4,414,633 km (0.064 R)
• M13: 4,710,987 km (0.111 R)
• M14: 6,032,235 km (0.082 R)
• M15: 6,336,068 km (0.073 R)
• M16: 8,404,109 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.6

Radius: 12.7

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.15 AU - 1.69 AU

Year: 1076 Days

Day: 10.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,956,059 km

• M1: 157,975 km (0.092 R)
• M2: 612,753 km (0.091 R)
• M3: 1,032,225 km (0.07 R)
• M4: 1,608,776 km (0.1 R)
• M5: 2,014,485 km (0.087 R)
• M6: 2,501,426 km (0.102 R)
• M7: 2,957,999 km (0.114 R)
• M8: 3,812,053 km (0.066 R)
• M9: 4,564,829 km (0.119 R)
• M10: 5,414,396 km (0.031 R)
• M11: 6,253,041 km (0.096 R)
• M12: 7,478,248 km (0.108 R)
• M13: 8,188,838 km (0.038 R)
• M14: 8,715,422 km (0.099 R)
• M15: 9,898,293 km (0.107 R)
• M16: 10,722,727 km (0.106 R)
• M17: 11,558,231 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.6

Radius: 11.2

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.24 AU - 1.84 AU

Year: 1215 Days

Day: 10.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,956,059 km

• M1: 139,276 km (0.047 R)
• M2: 639,680 km (0.096 R)
• M3: 1,082,939 km (0.083 R)
• M4: 1,612,366 km (0.092 R)
• M5: 2,464,176 km (0.099 R)
• M6: 3,026,814 km (0.057 R)
• M7: 3,987,681 km (0.119 R)
• M8: 4,614,047 km (0.118 R)
• M9: 5,120,885 km (0.093 R)
• M10: 6,600,258 km (0.109 R)
• M11: 7,662,403 km (0.105 R)
• M12: 9,251,432 km (0.053 R)
• M13: 10,059,559 km (0.073 R)
• M14: 11,015,789 km (0.1 R)
• M15: 11,745,378 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623

Radius: 11.1

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.47 AU - 1.95 AU

Year: 1422 Days

Day: 12.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,956,059 km

• M1: 144,960 km (0.063 R)
• M2: 514,467 km (0.089 R)
• M3: 932,892 km (0.092 R)
• M4: 1,371,962 km (0.088 R)
• M5: 2,694,856 km (0.113 R)
• M6: 3,751,765 km (0.11 R)
• M7: 5,416,789 km (0.112 R)
• M8: 5,872,764 km (0.078 R)
• M9: 6,568,693 km (0.095 R)
• M10: 7,501,585 km (0.038 R)
• M11: 8,349,356 km (0.106 R)
• M12: 9,505,299 km (0.064 R)
• M13: 10,664,234 km (0.107 R)
• M14: 11,036,433 km (0.105 R)
• M15: 11,382,453 km (0.114 R)
• M16: 11,735,654 km (0.118 R)
• M17: 12,501,296 km (0.075 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.5

Radius: 8.6

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 3.69 AU - 5.97 AU

Year: 6749 Days

Day: 8.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,956,059 km

• M1: 108,758 km (0.107 R)
• M2: 382,073 km (0.114 R)
• M3: 761,453 km (0.112 R)
• M4: 1,319,304 km (0.083 R)
• M5: 2,274,037 km (0.059 R)
• M6: 3,234,605 km (0.05 R)
• M7: 5,835,065 km (0.076 R)
• M8: 6,424,929 km (0.091 R)
• M9: 7,309,502 km (0.032 R)
• M10: 8,557,297 km (0.085 R)
• M11: 9,537,911 km (0.081 R)
• M12: 10,496,983 km (0.056 R)
• M13: 11,220,588 km (0.094 R)
• M14: 11,670,429 km (0.064 R)
• M15: 13,312,415 km (0.092 R)
• M16: 19,726,125 km (0.102 R)
• M17: 21,736,271 km (0.104 R)
• M18: 24,290,954 km (0.077 R)
• M19: 26,773,232 km (0.074 R)
• M20: 27,576,722 km (0.083 R)
• M21: 33,967,543 km (0.1 R)

Asteroid Belt

Center: 5.4 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657

Radius: 10.5

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 5.7 AU - 6.24 AU

Year: 9275 Days

Day: 14.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,956,059 km

• M1: 131,347 km (0.047 R)
• M2: 463,005 km (0.103 R)
• M3: 1,179,280 km (0.055 R)
• M4: 1,655,151 km (0.067 R)
• M5: 3,427,886 km (0.072 R)
• M6: 7,670,032 km (0.052 R)
• M7: 9,477,923 km (0.118 R)
• M8: 14,349,877 km (0.078 R)
• M9: 16,446,790 km (0.116 R)
• M10: 23,427,176 km (0.041 R)
• M11: 23,952,713 km (0.1 R)
• M12: 24,845,962 km (0.112 R)
• M13: 29,852,405 km (0.071 R)
• M14: 33,909,798 km (0.034 R)
• M15: 40,287,155 km (0.044 R)
• M16: 41,549,761 km (0.109 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 224 - 14,394 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit