🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.5

Radius: 13.3

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.98 AU - 1.44 AU

Year: 873 Days

Day: 5.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,640,172 km

• M1: 165,455 km (0.093 R)
• M2: 629,657 km (0.08 R)
• M3: 1,234,332 km (0.098 R)
• M4: 1,875,060 km (0.068 R)
• M5: 2,332,829 km (0.063 R)
• M6: 2,791,795 km (0.105 R)
• M7: 3,339,024 km (0.096 R)
• M8: 4,051,858 km (0.056 R)
• M9: 5,009,584 km (0.084 R)
• M10: 5,601,692 km (0.104 R)
• M11: 6,767,658 km (0.109 R)
• M12: 7,516,994 km (0.045 R)
• M13: 8,063,774 km (0.1 R)
• M14: 8,478,160 km (0.047 R)
• M15: 8,933,835 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.7

Radius: 8.2

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.34 AU - 2.58 AU

Year: 2531 Days

Day: 8.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,640,172 km

• M1: 102,026 km (0.116 R)
• M2: 457,470 km (0.104 R)
• M3: 1,782,309 km (0.08 R)
• M4: 2,078,812 km (0.061 R)
• M5: 2,473,152 km (0.069 R)
• M6: 3,511,361 km (0.106 R)
• M7: 3,981,099 km (0.084 R)
• M8: 4,940,470 km (0.053 R)
• M9: 5,485,754 km (0.072 R)
• M10: 5,831,624 km (0.118 R)
• M11: 6,516,633 km (0.101 R)
• M12: 7,871,541 km (0.056 R)
• M13: 8,493,270 km (0.091 R)
• M14: 11,019,080 km (0.096 R)
• M15: 12,452,826 km (0.117 R)
• M16: 13,092,357 km (0.09 R)
• M17: 13,420,126 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.2

Radius: 13.6

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.43 AU - 4.03 AU

Year: 4726 Days

Day: 6.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,640,172 km

• M1: 169,644 km (0.116 R)
• M2: 599,289 km (0.082 R)
• M3: 1,110,465 km (0.095 R)
• M4: 1,947,764 km (0.081 R)
• M5: 2,567,099 km (0.059 R)
• M6: 3,877,278 km (0.102 R)
• M7: 5,832,821 km (0.119 R)
• M8: 6,426,874 km (0.096 R)
• M9: 7,773,554 km (0.103 R)
• M10: 8,416,376 km (0.071 R)
• M11: 9,468,049 km (0.095 R)
• M12: 10,379,998 km (0.064 R)
• M13: 11,444,985 km (0.115 R)
• M14: 13,576,306 km (0.093 R)
• M15: 14,566,345 km (0.082 R)
• M16: 16,751,970 km (0.094 R)
• M17: 18,281,907 km (0.102 R)
• M18: 23,897,961 km (0.092 R)
• M19: 24,372,635 km (0.103 R)
• M20: 27,010,793 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.7

Radius: 14.4

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.53 AU - 4.91 AU

Year: 5687 Days

Day: 10 Hours

Environment

Temp: -219 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,640,172 km

• M1: 179,069 km (0.095 R)
• M2: 1,257,819 km (0.069 R)
• M3: 1,765,404 km (0.087 R)
• M4: 2,685,731 km (0.083 R)
• M5: 3,985,287 km (0.071 R)
• M6: 4,947,202 km (0.109 R)
• M7: 5,927,516 km (0.082 R)
• M8: 7,330,894 km (0.089 R)
• M9: 9,837,257 km (0.039 R)
• M10: 10,670,068 km (0.104 R)
• M11: 11,426,734 km (0.098 R)
• M12: 12,049,211 km (0.106 R)
• M13: 13,181,667 km (0.096 R)
• M14: 13,774,074 km (0.066 R)
• M15: 16,688,839 km (0.093 R)
• M16: 17,382,674 km (0.115 R)
• M17: 18,040,007 km (0.069 R)
• M18: 18,543,853 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 672.4

Radius: 5.8

Gravity: 19.99 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 10 AU - 10.04 AU

Year: 20807 Days

Day: 19.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 77,640,172 km

• M1: 72,106 km (0.098 R)
• M2: 1,581,997 km (0.066 R)
• M3: 2,360,654 km (0.107 R)
• M4: 2,962,337 km (0.101 R)
• M5: 3,513,156 km (0.117 R)
• M6: 4,464,300 km (0.034 R)
• M7: 5,340,345 km (0.045 R)
• M8: 6,153,708 km (0.027 R)
• M9: 7,475,555 km (0.101 R)
• M10: 8,543,684 km (0.085 R)
• M11: 8,976,321 km (0.11 R)
• M12: 10,002,712 km (0.081 R)
• M13: 11,168,678 km (0.11 R)
• M14: 13,189,895 km (0.039 R)
• M15: 13,476,524 km (0.113 R)
• M16: 13,988,298 km (0.096 R)
• M17: 16,493,913 km (0.028 R)
• M18: 18,291,780 km (0.047 R)
• M19: 21,472,680 km (0.094 R)
• M20: 22,069,875 km (0.12 R)
• M21: 26,792,231 km (0.044 R)
• M22: 29,266,131 km (0.057 R)
• M23: 31,123,837 km (0.061 R)
• M24: 34,122,676 km (0.08 R)
• M25: 36,740,788 km (0.12 R)
• M26: 37,023,977 km (0.103 R)
• M27: 41,447,885 km (0.085 R)
• M28: 41,754,710 km (0.095 R)
• M29: 50,101,374 km (0.054 R)
• M30: 58,525,230 km (0.083 R)
• M31: 66,157,863 km (0.079 R)
• M32: 67,845,028 km (0.112 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: 291 - 19,225 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit