🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.78 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.1

Radius: 8.2

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.36 AU - 1.76 AU

Year: 1345 Days

Day: 12.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,033,457 km

• M1: 102,026 km (0.096 R)
• M2: 480,957 km (0.114 R)
• M3: 776,413 km (0.103 R)
• M4: 1,064,688 km (0.077 R)
• M5: 1,322,146 km (0.079 R)
• M6: 1,866,233 km (0.098 R)
• M7: 2,146,580 km (0.034 R)
• M8: 2,419,297 km (0.106 R)
• M9: 2,779,977 km (0.056 R)
• M10: 3,263,029 km (0.113 R)
• M11: 3,547,863 km (0.051 R)
• M12: 4,486,141 km (0.113 R)
• M13: 5,332,566 km (0.032 R)
• M14: 7,187,878 km (0.057 R)
• M15: 8,538,149 km (0.076 R)
• M16: 9,801,503 km (0.097 R)
• M17: 11,320,220 km (0.095 R)

Asteroid Belt

Center: 1.93 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.2

Radius: 14.7

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.9 AU - 2.68 AU

Year: 2392 Days

Day: 8.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 67,033,457 km

• M1: 188,643 km (0.099 R)
• M2: 728,542 km (0.116 R)
• M3: 1,192,445 km (0.118 R)
• M4: 3,623,859 km (0.096 R)
• M5: 7,296,786 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.3

Radius: 8.6

Gravity: 12.62 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.28 AU - 3.56 AU

Year: 3444 Days

Day: 6.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,033,457 km

• M1: 107,112 km (0.096 R)
• M2: 376,388 km (0.044 R)
• M3: 728,093 km (0.081 R)
• M4: 1,129,015 km (0.102 R)
• M5: 2,006,107 km (0.086 R)
• M6: 2,929,126 km (0.102 R)
• M7: 3,596,931 km (0.106 R)
• M8: 4,111,099 km (0.112 R)
• M9: 5,366,375 km (0.107 R)
• M10: 5,639,690 km (0.087 R)
• M11: 5,951,153 km (0.043 R)
• M12: 8,612,050 km (0.117 R)
• M13: 10,016,026 km (0.087 R)
• M14: 11,209,069 km (0.079 R)
• M15: 19,189,517 km (0.093 R)
• M16: 21,157,627 km (0.08 R)
• M17: 23,619,409 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.9

Radius: 9.3

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.93 AU - 3.53 AU

Year: 4007 Days

Day: 12.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,033,457 km

• M1: 115,789 km (0.068 R)
• M2: 490,232 km (0.108 R)
• M3: 781,050 km (0.101 R)
• M4: 1,566,290 km (0.099 R)
• M5: 1,896,452 km (0.112 R)
• M6: 3,112,234 km (0.071 R)
• M7: 4,942,564 km (0.088 R)
• M8: 5,512,532 km (0.115 R)
• M9: 6,984,575 km (0.04 R)
• M10: 7,549,307 km (0.118 R)
• M11: 9,391,904 km (0.084 R)
• M12: 10,724,073 km (0.062 R)
• M13: 11,435,411 km (0.09 R)
• M14: 14,838,164 km (0.068 R)
• M15: 15,226,370 km (0.107 R)
• M16: 16,226,731 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.1

Radius: 10.1

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.45 AU - 5.95 AU

Year: 8185 Days

Day: 8.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,033,457 km

• M1: 125,662 km (0.078 R)
• M2: 650,751 km (0.102 R)
• M3: 1,754,334 km (0.032 R)
• M4: 2,860,461 km (0.098 R)
• M5: 7,385,497 km (0.077 R)
• M6: 8,127,952 km (0.091 R)
• M7: 10,801,116 km (0.09 R)
• M8: 11,146,986 km (0.053 R)
• M9: 19,943,191 km (0.096 R)
• M10: 23,786,809 km (0.108 R)
• M11: 25,055,549 km (0.081 R)
• M12: 31,078,658 km (0.07 R)
• M13: 31,880,802 km (0.068 R)
• M14: 33,736,265 km (0.11 R)
• M15: 34,158,131 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 403

Radius: 3.1

Gravity: 41.94 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 6.36 AU - 8.84 AU

Year: 14462 Days

Day: 18.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 67,033,457 km

• M1: 43,234 km (0.076 R)
• M2: 141,220 km (0.12 R)
• M3: 252,820 km (0.097 R)
• M4: 401,820 km (0.058 R)
• M5: 607,667 km (0.042 R)
• M6: 704,606 km (0.106 R)
• M7: 1,356,254 km (0.069 R)
• M8: 1,950,906 km (0.108 R)
• M9: 2,091,677 km (0.096 R)
• M10: 2,766,813 km (0.08 R)
• M11: 3,628,048 km (0.103 R)
• M12: 4,034,505 km (0.117 R)
• M13: 5,785,997 km (0.106 R)
• M14: 8,577,792 km (0.114 R)
• M15: 9,003,997 km (0.065 R)
• M16: 9,846,981 km (0.112 R)
• M17: 10,472,898 km (0.12 R)
• M18: 11,460,842 km (0.057 R)
• M19: 11,919,210 km (0.117 R)
• M20: 13,056,603 km (0.073 R)
• M21: 16,391,439 km (0.119 R)
• M22: 16,753,316 km (0.055 R)
• M23: 18,253,783 km (0.105 R)
• M24: 19,436,204 km (0.087 R)
• M25: 21,518,756 km (0.087 R)
• M26: 25,730,385 km (0.111 R)
• M27: 28,441,398 km (0.063 R)
• M28: 29,919,425 km (0.077 R)
• M29: 30,026,836 km (0.117 R)
• M30: 30,786,494 km (0.094 R)
• M31: 30,895,999 km (0.087 R)
• M32: 31,336,864 km (0.086 R)
• M33: 32,343,957 km (0.114 R)
• M34: 33,257,103 km (0.045 R)
• M35: 34,422,620 km (0.082 R)
• M36: 35,615,064 km (0.091 R)
• M37: 38,208,194 km (0.111 R)
• M38: 39,745,013 km (0.095 R)
• M39: 41,322,522 km (0.057 R)
• M40: 44,461,983 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 567.3

Radius: 3.8

Gravity: 39.29 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 7.58 AU - 10.12 AU

Year: 18173 Days

Day: 18.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 67,033,457 km

• M1: 47,273 km (0.067 R)
• M2: 676,482 km (0.117 R)
• M3: 883,675 km (0.102 R)
• M4: 2,023,610 km (0.069 R)
• M5: 2,588,193 km (0.115 R)
• M6: 3,069,599 km (0.11 R)
• M7: 3,224,881 km (0.1 R)
• M8: 4,238,706 km (0.088 R)
• M9: 4,497,211 km (0.101 R)
• M10: 4,939,572 km (0.033 R)
• M11: 6,825,852 km (0.057 R)
• M12: 7,548,409 km (0.09 R)
• M13: 7,928,089 km (0.112 R)
• M14: 8,521,394 km (0.05 R)
• M15: 10,133,311 km (0.054 R)
• M16: 10,420,389 km (0.051 R)
• M17: 12,064,919 km (0.118 R)
• M18: 13,526,939 km (0.09 R)
• M19: 15,628,789 km (0.097 R)
• M20: 16,637,976 km (0.089 R)
• M21: 16,876,884 km (0.089 R)
• M22: 17,118,036 km (0.085 R)
• M23: 17,772,377 km (0.12 R)
• M24: 17,938,580 km (0.072 R)
• M25: 19,044,108 km (0.072 R)
• M26: 22,534,675 km (0.115 R)
• M27: 23,619,409 km (0.062 R)
• M28: 26,106,025 km (0.088 R)
• M29: 30,154,592 km (0.079 R)
• M30: 31,835,624 km (0.109 R)
• M31: 33,959,764 km (0.051 R)
• M32: 37,388,098 km (0.099 R)
• M33: 38,487,643 km (0.101 R)
• M34: 40,607,145 km (0.06 R)
• M35: 42,505,841 km (0.105 R)
• M36: 43,401,633 km (0.11 R)
• M37: 46,008,376 km (0.064 R)
• M38: 49,370,140 km (0.11 R)
• M39: 50,193,975 km (0.119 R)
• M40: 56,757,133 km (0.063 R)
• M41: 57,298,378 km (0.082 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: 196 - 18,658 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit