🌌 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: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.3

Radius: 14.4

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.7 AU - 0.78 AU

Year: 424 Days

Day: 14 Hours

Environment

Temp: -157 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 73,414,325 km

• M1: 179,069 km (0.111 R)
• M2: 715,826 km (0.058 R)
• M3: 1,465,760 km (0.104 R)
• M4: 2,308,295 km (0.102 R)
• M5: 2,776,836 km (0.092 R)
• M6: 3,456,010 km (0.111 R)
• M7: 4,667,902 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.4

Radius: 14.4

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.19 AU - 1.57 AU

Year: 1081 Days

Day: 11 Hours

Environment

Temp: -179 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,414,325 km

• M1: 179,069 km (0.113 R)
• M2: 841,787 km (0.035 R)
• M3: 1,397,244 km (0.114 R)
• M4: 1,860,998 km (0.07 R)
• M5: 2,357,064 km (0.076 R)
• M6: 2,889,632 km (0.041 R)
• M7: 3,684,596 km (0.084 R)
• M8: 4,932,092 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.3

Radius: 8.5

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.35 AU - 2.11 AU

Year: 1517 Days

Day: 9.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,414,325 km

• M1: 106,663 km (0.115 R)
• M2: 381,026 km (0.055 R)
• M3: 761,453 km (0.062 R)
• M4: 1,072,168 km (0.119 R)
• M5: 1,681,181 km (0.057 R)
• M6: 2,557,226 km (0.082 R)
• M7: 3,220,393 km (0.065 R)
• M8: 3,545,470 km (0.116 R)
• M9: 3,993,665 km (0.107 R)
• M10: 4,752,724 km (0.114 R)
• M11: 5,387,169 km (0.073 R)
• M12: 6,993,551 km (0.104 R)
• M13: 7,296,636 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.8

Radius: 12.3

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.55 AU - 2.07 AU

Year: 1624 Days

Day: 14.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,414,325 km

• M1: 153,039 km (0.088 R)
• M2: 560,992 km (0.118 R)
• M3: 1,006,943 km (0.075 R)
• M4: 1,544,000 km (0.096 R)
• M5: 1,967,810 km (0.086 R)
• M6: 2,601,956 km (0.101 R)
• M7: 3,210,520 km (0.11 R)
• M8: 4,057,244 km (0.067 R)
• M9: 5,508,642 km (0.083 R)
• M10: 6,046,148 km (0.066 R)
• M11: 6,440,488 km (0.057 R)
• M12: 7,363,806 km (0.072 R)
• M13: 7,843,117 km (0.089 R)
• M14: 9,181,270 km (0.029 R)
• M15: 9,604,333 km (0.039 R)
• M16: 10,315,521 km (0.096 R)
• M17: 11,061,416 km (0.054 R)
• M18: 13,267,985 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.4

Radius: 10.6

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.79 AU - 2.75 AU

Year: 2281 Days

Day: 11.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 71.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,414,325 km

• M1: 131,945 km (0.109 R)
• M2: 500,106 km (0.113 R)
• M3: 1,164,769 km (0.109 R)
• M4: 1,572,872 km (0.091 R)
• M5: 2,019,122 km (0.099 R)
• M6: 2,443,831 km (0.106 R)
• M7: 3,280,083 km (0.113 R)
• M8: 4,202,055 km (0.074 R)
• M9: 4,816,453 km (0.098 R)
• M10: 5,310,425 km (0.086 R)
• M11: 6,200,383 km (0.037 R)
• M12: 6,864,597 km (0.108 R)
• M13: 7,435,164 km (0.119 R)
• M14: 8,066,616 km (0.034 R)
• M15: 8,953,133 km (0.109 R)
• M16: 10,668,123 km (0.046 R)
• M17: 12,792,264 km (0.102 R)
• M18: 13,911,256 km (0.049 R)
• M19: 14,560,361 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 527.5

Radius: 5.3

Gravity: 18.78 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 8.6 AU - 10.2 AU

Year: 19219 Days

Day: 21.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 73,414,325 km

• M1: 92,302 km (0.05 R)
• M2: 264,339 km (0.091 R)
• M3: 584,628 km (0.082 R)
• M4: 1,003,802 km (0.081 R)
• M5: 1,971,999 km (0.072 R)
• M6: 3,447,184 km (0.066 R)
• M7: 4,440,813 km (0.071 R)
• M8: 4,880,331 km (0.048 R)
• M9: 5,237,571 km (0.111 R)
• M10: 6,248,553 km (0.066 R)
• M11: 7,429,479 km (0.091 R)
• M12: 8,496,112 km (0.08 R)
• M13: 10,572,381 km (0.085 R)
• M14: 17,851,813 km (0.047 R)
• M15: 21,118,432 km (0.115 R)
• M16: 23,537,729 km (0.098 R)
• M17: 25,921,272 km (0.086 R)
• M18: 28,689,281 km (0.073 R)
• M19: 36,123,099 km (0.087 R)
• M20: 36,794,943 km (0.095 R)
• M21: 39,141,535 km (0.056 R)
• M22: 41,439,657 km (0.105 R)
• M23: 44,436,552 km (0.081 R)
• M24: 45,831,103 km (0.096 R)
• M25: 49,034,143 km (0.104 R)
• M26: 53,764,428 km (0.119 R)
• M27: 65,898,760 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 543.6

Radius: 7

Gravity: 11.09 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 9.33 AU - 10.79 AU

Year: 21278 Days

Day: 18.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 73,414,325 km

• M1: 87,216 km (0.073 R)
• M2: 324,777 km (0.063 R)
• M3: 606,021 km (0.095 R)
• M4: 857,196 km (0.063 R)
• M5: 1,302,848 km (0.106 R)
• M6: 2,086,741 km (0.114 R)
• M7: 4,436,774 km (0.119 R)
• M8: 4,850,711 km (0.085 R)
• M9: 5,177,882 km (0.113 R)
• M10: 5,676,491 km (0.08 R)
• M11: 6,680,293 km (0.104 R)
• M12: 6,994,149 km (0.075 R)
• M13: 7,700,102 km (0.116 R)
• M14: 7,945,741 km (0.111 R)
• M15: 9,198,025 km (0.108 R)
• M16: 10,576,869 km (0.111 R)
• M17: 11,762,282 km (0.053 R)
• M18: 17,143,617 km (0.053 R)
• M19: 25,890,604 km (0.06 R)
• M20: 29,801,093 km (0.112 R)
• M21: 31,021,961 km (0.075 R)
• M22: 35,152,956 km (0.081 R)
• M23: 36,377,714 km (0.074 R)
• M24: 37,771,518 km (0.096 R)
• M25: 40,813,889 km (0.077 R)
• M26: 41,561,580 km (0.077 R)
• M27: 43,084,486 km (0.063 R)
• M28: 46,402,716 km (0.103 R)
• M29: 53,187,129 km (0.098 R)
• M30: 53,721,044 km (0.067 R)
• M31: 60,024,799 km (0.056 R)
• M32: 60,410,313 km (0.103 R)
• M33: 62,362,266 km (0.096 R)
• M34: 62,757,653 km (0.072 R)
• M35: 69,102,099 km (0.037 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 19,342 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit