🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.81 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.3

Radius: 11.5

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.54 AU - 1.68 AU

Year: 1410 Days

Day: 12.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,715,363 km

• M1: 143,315 km (0.105 R)
• M2: 729,439 km (0.12 R)
• M3: 1,626,578 km (0.047 R)
• M4: 2,116,511 km (0.091 R)
• M5: 2,509,355 km (0.04 R)
• M6: 3,274,398 km (0.071 R)
• M7: 6,111,522 km (0.085 R)
• M8: 7,280,480 km (0.05 R)
• M9: 8,622,672 km (0.103 R)
• M10: 9,636,646 km (0.056 R)
• M11: 10,797,226 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.4

Radius: 12.4

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.51 AU - 2.31 AU

Year: 1822 Days

Day: 7.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,715,363 km

• M1: 155,283 km (0.116 R)
• M2: 575,802 km (0.109 R)
• M3: 1,210,845 km (0.089 R)
• M4: 2,042,161 km (0.12 R)
• M5: 2,591,933 km (0.084 R)
• M6: 6,576,472 km (0.112 R)
• M7: 7,366,349 km (0.089 R)
• M8: 7,870,045 km (0.045 R)
• M9: 8,729,933 km (0.096 R)
• M10: 9,455,483 km (0.051 R)
• M11: 11,613,133 km (0.063 R)
• M12: 12,142,410 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.2

Radius: 8.1

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.92 AU - 4.52 AU

Year: 4953 Days

Day: 12.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,715,363 km

• M1: 100,979 km (0.078 R)
• M2: 508,782 km (0.109 R)
• M3: 988,094 km (0.113 R)
• M4: 1,483,562 km (0.107 R)
• M5: 1,873,115 km (0.103 R)
• M6: 2,208,962 km (0.085 R)
• M7: 2,584,752 km (0.074 R)
• M8: 2,876,468 km (0.032 R)
• M9: 3,465,435 km (0.045 R)
• M10: 4,041,686 km (0.103 R)
• M11: 4,907,409 km (0.111 R)
• M12: 5,439,079 km (0.118 R)
• M13: 7,745,280 km (0.053 R)
• M14: 8,355,041 km (0.116 R)
• M15: 9,428,855 km (0.118 R)
• M16: 11,207,872 km (0.082 R)
• M17: 13,758,367 km (0.099 R)
• M18: 17,809,776 km (0.114 R)
• M19: 20,777,199 km (0.086 R)
• M20: 23,025,805 km (0.118 R)
• M21: 23,538,477 km (0.06 R)
• M22: 23,909,330 km (0.071 R)
• M23: 24,891,739 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.6

Radius: 11.6

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.67 AU - 5.49 AU

Year: 6766 Days

Day: 14 Hours

Environment

Temp: -224 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,715,363 km

• M1: 144,362 km (0.112 R)
• M2: 565,929 km (0.069 R)
• M3: 1,338,153 km (0.094 R)
• M4: 1,751,791 km (0.063 R)
• M5: 2,117,857 km (0.088 R)
• M6: 2,804,810 km (0.087 R)
• M7: 4,707,396 km (0.044 R)
• M8: 7,198,051 km (0.065 R)
• M9: 8,194,822 km (0.076 R)
• M10: 11,528,012 km (0.109 R)
• M11: 13,581,392 km (0.036 R)
• M12: 17,690,995 km (0.101 R)
• M13: 24,425,742 km (0.103 R)
• M14: 27,314,926 km (0.063 R)
• M15: 30,424,766 km (0.065 R)
• M16: 35,632,567 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 393.5

Radius: 6.2

Gravity: 10.24 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 6.3 AU - 8.26 AU

Year: 13558 Days

Day: 24 Hours

Environment

Temp: -228 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 50,715,363 km

• M1: 77,043 km (0.036 R)
• M2: 356,641 km (0.112 R)
• M3: 581,936 km (0.105 R)
• M4: 857,046 km (0.051 R)
• M5: 1,057,807 km (0.109 R)
• M6: 1,459,776 km (0.063 R)
• M7: 2,202,679 km (0.116 R)
• M8: 2,647,134 km (0.106 R)
• M9: 2,901,750 km (0.093 R)
• M10: 3,951,777 km (0.084 R)
• M11: 4,228,533 km (0.048 R)
• M12: 4,429,743 km (0.086 R)
• M13: 5,136,892 km (0.114 R)
• M14: 6,890,179 km (0.077 R)
• M15: 8,318,689 km (0.078 R)
• M16: 8,635,687 km (0.097 R)
• M17: 8,960,613 km (0.108 R)
• M18: 9,833,816 km (0.094 R)
• M19: 10,086,188 km (0.112 R)
• M20: 10,762,520 km (0.078 R)
• M21: 10,976,594 km (0.077 R)
• M22: 11,302,867 km (0.106 R)
• M23: 11,524,122 km (0.103 R)
• M24: 18,040,755 km (0.07 R)
• M25: 19,665,837 km (0.104 R)
• M26: 21,050,964 km (0.042 R)
• M27: 22,412,903 km (0.119 R)
• M28: 26,169,006 km (0.117 R)
• M29: 26,362,286 km (0.11 R)
• M30: 26,751,690 km (0.047 R)
• M31: 32,725,432 km (0.043 R)
• M32: 37,410,688 km (0.061 R)
• M33: 37,902,565 km (0.082 R)
• M34: 38,274,166 km (0.052 R)
• M35: 43,059,802 km (0.115 R)
• M36: 43,871,520 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 666.2

Radius: 3.7

Gravity: 48.66 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 8.26 AU - 8.4 AU

Year: 16595 Days

Day: 20.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 50,715,363 km

• M1: 46,076 km (0.096 R)
• M2: 361,428 km (0.094 R)
• M3: 679,773 km (0.091 R)
• M4: 855,401 km (0.063 R)
• M5: 1,048,382 km (0.062 R)
• M6: 1,429,408 km (0.108 R)
• M7: 1,569,730 km (0.089 R)
• M8: 1,806,394 km (0.068 R)
• M9: 2,066,395 km (0.115 R)
• M10: 2,225,717 km (0.106 R)
• M11: 2,458,342 km (0.11 R)
• M12: 2,898,160 km (0.1 R)
• M13: 3,961,651 km (0.119 R)
• M14: 4,083,723 km (0.11 R)
• M15: 4,399,823 km (0.085 R)
• M16: 4,834,854 km (0.05 R)
• M17: 6,067,390 km (0.03 R)
• M18: 6,353,422 km (0.075 R)
• M19: 7,220,341 km (0.101 R)
• M20: 9,026,736 km (0.077 R)
• M21: 9,562,146 km (0.096 R)
• M22: 11,356,573 km (0.104 R)
• M23: 11,980,246 km (0.089 R)
• M24: 15,144,989 km (0.072 R)
• M25: 17,565,932 km (0.101 R)
• M26: 19,785,366 km (0.118 R)
• M27: 25,500,603 km (0.115 R)
• M28: 28,221,788 km (0.06 R)
• M29: 32,347,697 km (0.055 R)
• M30: 38,634,248 km (0.116 R)
• M31: 41,187,136 km (0.111 R)
• M32: 41,623,214 km (0.059 R)
• M33: 44,001,371 km (0.051 R)
• M34: 45,532,805 km (0.107 R)
• M35: 49,844,365 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 262.2

Radius: 7

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 8.62 AU - 8.7 AU

Year: 17591 Days

Day: 22.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 131.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,715,363 km

• M1: 87,365 km (0.089 R)
• M2: 402,418 km (0.067 R)
• M3: 1,117,197 km (0.041 R)
• M4: 1,347,578 km (0.039 R)
• M5: 1,684,622 km (0.057 R)
• M6: 2,528,802 km (0.062 R)
• M7: 4,197,267 km (0.083 R)
• M8: 5,079,596 km (0.063 R)
• M9: 5,581,796 km (0.11 R)
• M10: 6,415,654 km (0.112 R)
• M11: 6,882,250 km (0.048 R)
• M12: 7,371,285 km (0.106 R)
• M13: 10,751,599 km (0.073 R)
• M14: 14,642,490 km (0.106 R)
• M15: 15,314,184 km (0.109 R)
• M16: 16,864,018 km (0.119 R)
• M17: 21,021,493 km (0.051 R)
• M18: 22,224,110 km (0.096 R)
• M19: 26,399,536 km (0.03 R)
• M20: 27,494,293 km (0.096 R)
• M21: 28,309,452 km (0.117 R)
• M22: 31,069,533 km (0.058 R)
• M23: 39,768,350 km (0.09 R)
• M24: 41,073,591 km (0.113 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 19,132 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit