🌌 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: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.9

Radius: 13.7

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.63 AU - 0.83 AU

Year: 416 Days

Day: 8.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 28,864,302 km

• M1: 171,290 km (0.104 R)
• M2: 1,112,859 km (0.082 R)
• M3: 1,567,187 km (0.057 R)
• M4: 2,059,663 km (0.06 R)
• M5: 2,536,581 km (0.035 R)
• M6: 2,972,958 km (0.039 R)
• M7: 3,576,735 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.6

Radius: 10

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.84 AU - 0.94 AU

Year: 560 Days

Day: 8.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,864,302 km

• M1: 124,465 km (0.11 R)
• M2: 493,972 km (0.088 R)
• M3: 934,987 km (0.093 R)
• M4: 1,266,196 km (0.05 R)
• M5: 1,612,964 km (0.053 R)
• M6: 2,532,991 km (0.087 R)
• M7: 3,159,507 km (0.074 R)
• M8: 3,607,702 km (0.078 R)
• M9: 4,234,069 km (0.053 R)
• M10: 4,690,791 km (0.069 R)
• M11: 5,822,499 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.2

Radius: 11.5

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.75 AU - 1.23 AU

Year: 657 Days

Day: 5.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,864,302 km

• M1: 143,165 km (0.09 R)
• M2: 534,064 km (0.103 R)
• M3: 911,799 km (0.069 R)
• M4: 1,345,334 km (0.108 R)
• M5: 1,860,100 km (0.075 R)
• M6: 2,691,714 km (0.062 R)
• M7: 3,281,579 km (0.088 R)
• M8: 3,802,479 km (0.11 R)
• M9: 4,352,400 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.1

Radius: 8.4

Gravity: 13.18 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.4 AU - 1.62 AU

Year: 1237 Days

Day: 6.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,864,302 km

• M1: 109,954 km (0.086 R)
• M2: 373,396 km (0.102 R)
• M3: 735,124 km (0.105 R)
• M4: 1,005,597 km (0.025 R)
• M5: 1,838,857 km (0.099 R)
• M6: 2,151,965 km (0.076 R)
• M7: 2,616,317 km (0.106 R)
• M8: 3,028,758 km (0.11 R)
• M9: 4,964,555 km (0.12 R)
• M10: 5,424,419 km (0.045 R)
• M11: 5,889,668 km (0.095 R)
• M12: 6,453,652 km (0.048 R)
• M13: 7,854,337 km (0.082 R)
• M14: 8,305,674 km (0.117 R)
• M15: 8,744,295 km (0.102 R)
• M16: 9,636,347 km (0.114 R)
• M17: 11,672,673 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.6

Radius: 9.8

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.45 AU - 1.57 AU

Year: 1237 Days

Day: 7.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,864,302 km

• M1: 121,922 km (0.065 R)
• M2: 427,551 km (0.104 R)
• M3: 804,687 km (0.08 R)
• M4: 1,157,289 km (0.068 R)
• M5: 1,491,341 km (0.112 R)
• M6: 2,057,120 km (0.115 R)
• M7: 2,444,579 km (0.091 R)
• M8: 2,990,611 km (0.064 R)
• M9: 3,632,087 km (0.116 R)
• M10: 4,079,983 km (0.106 R)
• M11: 4,677,327 km (0.102 R)
• M12: 5,436,237 km (0.074 R)
• M13: 6,023,857 km (0.109 R)
• M14: 6,774,390 km (0.107 R)
• M15: 8,320,185 km (0.055 R)
• M16: 8,952,834 km (0.099 R)
• M17: 9,993,138 km (0.116 R)
• M18: 10,774,637 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.1

Radius: 14.7

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.89 AU - 4.03 AU

Year: 4292 Days

Day: 12.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,864,302 km

• M1: 183,407 km (0.109 R)
• M2: 745,745 km (0.094 R)
• M3: 1,211,743 km (0.09 R)
• M4: 2,068,939 km (0.082 R)
• M5: 2,726,870 km (0.094 R)
• M6: 4,661,918 km (0.109 R)
• M7: 5,304,591 km (0.078 R)
• M8: 6,005,906 km (0.03 R)
• M9: 6,548,647 km (0.115 R)
• M10: 9,095,251 km (0.106 R)
• M11: 11,138,309 km (0.063 R)
• M12: 13,070,366 km (0.119 R)
• M13: 14,619,302 km (0.118 R)
• M14: 16,001,287 km (0.105 R)
• M15: 17,833,861 km (0.114 R)
• M16: 18,391,263 km (0.044 R)
• M17: 19,088,240 km (0.116 R)
• M18: 24,471,220 km (0.109 R)
• M19: 27,222,923 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988

Radius: 12.9

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.7 AU - 5.54 AU

Year: 6622 Days

Day: 12.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 28,864,302 km

• M1: 160,519 km (0.098 R)
• M2: 734,077 km (0.104 R)
• M3: 1,429,258 km (0.091 R)
• M4: 2,427,076 km (0.112 R)
• M5: 3,627,898 km (0.093 R)
• M6: 4,580,687 km (0.116 R)
• M7: 6,023,558 km (0.083 R)
• M8: 7,091,388 km (0.042 R)
• M9: 8,620,727 km (0.12 R)
• M10: 9,928,212 km (0.102 R)
• M11: 10,803,809 km (0.105 R)
• M12: 11,363,903 km (0.045 R)
• M13: 12,709,237 km (0.111 R)
• M14: 14,038,115 km (0.036 R)
• M15: 16,235,558 km (0.027 R)
• M16: 20,831,354 km (0.065 R)
• M17: 23,425,830 km (0.032 R)
• M18: 30,740,717 km (0.095 R)
• M19: 34,857,650 km (0.081 R)
• M20: 36,307,852 km (0.113 R)
• M21: 38,030,621 km (0.091 R)
• M22: 39,209,004 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 730.9

Radius: 6.3

Gravity: 18.42 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 7.65 AU - 8.31 AU

Year: 15033 Days

Day: 18.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 28,864,302 km

• M1: 82,428 km (0.104 R)
• M2: 326,722 km (0.105 R)
• M3: 607,517 km (0.046 R)
• M4: 1,219,671 km (0.099 R)
• M5: 1,627,924 km (0.116 R)
• M6: 3,098,621 km (0.115 R)
• M7: 3,600,970 km (0.115 R)
• M8: 6,533,089 km (0.112 R)
• M9: 7,911,932 km (0.115 R)
• M10: 11,292,096 km (0.081 R)
• M11: 12,930,642 km (0.113 R)
• M12: 14,435,895 km (0.096 R)
• M13: 27,270,046 km (0.106 R)
• M14: 27,487,861 km (0.113 R)
• M15: 28,259,337 km (0.064 R)
• M16: 35,345,190 km (0.109 R)
• M17: 35,995,043 km (0.072 R)
• M18: 36,520,730 km (0.106 R)
• M19: 37,452,874 km (0.057 R)
• M20: 39,642,688 km (0.081 R)
• M21: 50,067,864 km (0.104 R)
• M22: 52,721,581 km (0.086 R)
• M23: 54,083,071 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 42.5

Radius: 7

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 7.71 AU - 10.79 AU

Year: 18760 Days

Day: 22.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 28,864,302 km

• M1: 93,947 km (0.102 R)
• M2: 961,017 km (0.097 R)
• M3: 1,429,707 km (0.109 R)
• M4: 1,860,549 km (0.086 R)
• M5: 2,538,377 km (0.075 R)
• M6: 4,227,486 km (0.099 R)
• M7: 4,900,976 km (0.112 R)
• M8: 5,249,838 km (0.118 R)
• M9: 5,730,945 km (0.113 R)
• M10: 6,303,007 km (0.117 R)
• M11: 6,748,210 km (0.118 R)
• M12: 8,063,176 km (0.1 R)
• M13: 10,213,645 km (0.068 R)
• M14: 11,701,097 km (0.117 R)
• M15: 13,534,269 km (0.083 R)
• M16: 15,099,063 km (0.071 R)
• M17: 17,822,342 km (0.097 R)
• M18: 18,454,992 km (0.119 R)
• M19: 19,698,000 km (0.063 R)
• M20: 21,844,281 km (0.084 R)
• M21: 22,349,772 km (0.11 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 538 - 14,932 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit