🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.9

Radius: 11.2

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.56 AU - 0.84 AU

Year: 412 Days

Day: 7.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,101,427 km

• M1: 139,425 km (0.109 R)
• M2: 526,884 km (0.046 R)
• M3: 955,482 km (0.105 R)
• M4: 1,521,859 km (0.107 R)
• M5: 1,911,861 km (0.056 R)
• M6: 2,294,233 km (0.027 R)
• M7: 3,043,569 km (0.068 R)
• M8: 3,841,823 km (0.114 R)
• M9: 4,226,439 km (0.1 R)
• M10: 4,636,786 km (0.104 R)
• M11: 5,658,689 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.4

Radius: 10.9

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.57 AU - 0.83 AU

Year: 412 Days

Day: 7.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,101,427 km

• M1: 135,685 km (0.116 R)
• M2: 576,849 km (0.057 R)
• M3: 973,583 km (0.068 R)
• M4: 1,433,596 km (0.096 R)
• M5: 1,774,231 km (0.087 R)
• M6: 2,178,295 km (0.088 R)
• M7: 2,722,681 km (0.082 R)
• M8: 3,186,285 km (0.095 R)
• M9: 3,689,831 km (0.104 R)
• M10: 4,045,874 km (0.116 R)
• M11: 4,551,814 km (0.069 R)
• M12: 5,591,968 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.7

Radius: 14.1

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.08 AU - 3.28 AU

Year: 3986 Days

Day: 13.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 89.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,101,427 km

• M1: 175,777 km (0.107 R)
• M2: 815,757 km (0.083 R)
• M3: 1,599,052 km (0.049 R)
• M4: 2,077,017 km (0.079 R)
• M5: 2,651,473 km (0.105 R)
• M6: 3,128,391 km (0.069 R)
• M7: 4,992,679 km (0.043 R)
• M8: 5,483,510 km (0.107 R)
• M9: 6,994,897 km (0.097 R)
• M10: 7,984,936 km (0.093 R)
• M11: 8,550,117 km (0.077 R)
• M12: 9,141,926 km (0.111 R)
• M13: 10,657,951 km (0.098 R)
• M14: 12,014,055 km (0.111 R)
• M15: 12,663,011 km (0.039 R)
• M16: 13,482,508 km (0.071 R)
• M17: 14,234,537 km (0.057 R)
• M18: 17,762,354 km (0.118 R)
• M19: 18,728,008 km (0.098 R)
• M20: 21,496,915 km (0.071 R)
• M21: 22,943,975 km (0.078 R)
• M22: 23,440,490 km (0.076 R)
• M23: 24,235,154 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.3

Radius: 8.1

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.96 AU - 4.36 AU

Year: 5964 Days

Day: 10.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 170.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,101,427 km

• M1: 100,679 km (0.087 R)
• M2: 510,129 km (0.071 R)
• M3: 763,697 km (0.093 R)
• M4: 1,063,042 km (0.106 R)
• M5: 1,589,926 km (0.096 R)
• M6: 2,577,123 km (0.063 R)
• M7: 3,035,191 km (0.075 R)
• M8: 3,683,100 km (0.115 R)
• M9: 4,114,241 km (0.075 R)
• M10: 4,442,458 km (0.095 R)
• M11: 5,102,035 km (0.097 R)
• M12: 5,404,073 km (0.093 R)
• M13: 6,296,724 km (0.112 R)
• M14: 7,347,499 km (0.1 R)
• M15: 9,117,841 km (0.117 R)
• M16: 13,526,639 km (0.026 R)
• M17: 14,155,848 km (0.079 R)
• M18: 14,855,218 km (0.108 R)
• M19: 18,289,836 km (0.095 R)
• M20: 19,665,388 km (0.106 R)
• M21: 21,172,886 km (0.099 R)
• M22: 21,626,766 km (0.075 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 241

Radius: 3.1

Gravity: 25.08 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 7.46 AU - 10.62 AU

Year: 19106 Days

Day: 15.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 52,101,427 km

• M1: 38,596 km (0.109 R)
• M2: 181,462 km (0.031 R)
• M3: 368,160 km (0.064 R)
• M4: 487,091 km (0.083 R)
• M5: 600,486 km (0.095 R)
• M6: 813,663 km (0.031 R)
• M7: 1,121,236 km (0.033 R)
• M8: 1,501,215 km (0.098 R)
• M9: 2,084,796 km (0.079 R)
• M10: 2,762,175 km (0.096 R)
• M11: 3,032,798 km (0.097 R)
• M12: 3,370,590 km (0.094 R)
• M13: 4,975,027 km (0.05 R)
• M14: 6,238,979 km (0.107 R)
• M15: 6,904,241 km (0.045 R)
• M16: 7,658,663 km (0.081 R)
• M17: 8,191,082 km (0.117 R)
• M18: 8,890,901 km (0.111 R)
• M19: 9,084,032 km (0.114 R)
• M20: 9,782,055 km (0.083 R)
• M21: 10,196,591 km (0.052 R)
• M22: 10,785,707 km (0.082 R)
• M23: 11,340,416 km (0.067 R)
• M24: 11,510,509 km (0.078 R)
• M25: 15,837,777 km (0.117 R)
• M26: 17,819,650 km (0.049 R)
• M27: 23,622,252 km (0.117 R)
• M28: 25,031,314 km (0.055 R)
• M29: 26,099,443 km (0.055 R)
• M30: 26,694,693 km (0.105 R)
• M31: 27,400,645 km (0.065 R)
• M32: 33,153,431 km (0.092 R)
• M33: 34,916,592 km (0.074 R)
• M34: 35,760,473 km (0.083 R)
• M35: 36,248,611 km (0.104 R)
• M36: 37,866,063 km (0.116 R)
• M37: 39,660,939 km (0.119 R)
• M38: 43,835,467 km (0.12 R)
• M39: 43,974,892 km (0.112 R)
• M40: 46,823,984 km (0.054 R)
• M41: 49,793,502 km (0.065 R)
• M42: 51,324,337 km (0.099 R)
• M43: 51,634,303 km (0.07 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 534 - 19,837 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit