🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.73 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.4

Radius: 12.7

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.23 AU - 1.69 AU

Year: 1218 Days

Day: 13.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 54.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,333,343 km

• M1: 157,975 km (0.103 R)
• M2: 576,401 km (0.052 R)
• M3: 2,635,765 km (0.107 R)
• M4: 3,758,347 km (0.072 R)
• M5: 4,594,300 km (0.119 R)
• M6: 6,952,112 km (0.101 R)
• M7: 9,043,042 km (0.058 R)
• M8: 10,773,590 km (0.065 R)
• M9: 12,164,252 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.7

Radius: 11.4

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.57 AU - 1.93 AU

Year: 1598 Days

Day: 8.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,333,343 km

• M1: 141,819 km (0.113 R)
• M2: 497,263 km (0.086 R)
• M3: 877,840 km (0.104 R)
• M4: 1,329,327 km (0.114 R)
• M5: 1,967,661 km (0.059 R)
• M6: 2,521,622 km (0.065 R)
• M7: 2,885,444 km (0.112 R)
• M8: 3,284,571 km (0.078 R)
• M9: 5,035,016 km (0.083 R)
• M10: 6,029,991 km (0.099 R)
• M11: 6,662,192 km (0.052 R)
• M12: 7,204,484 km (0.07 R)
• M13: 10,101,746 km (0.104 R)
• M14: 10,541,564 km (0.118 R)
• M15: 12,818,144 km (0.1 R)
• M16: 13,414,591 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.1

Radius: 12.5

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.52 AU - 2.12 AU

Year: 1695 Days

Day: 9.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,333,343 km

• M1: 155,582 km (0.118 R)
• M2: 842,386 km (0.101 R)
• M3: 1,312,422 km (0.12 R)
• M4: 1,746,555 km (0.11 R)
• M5: 2,357,214 km (0.116 R)
• M6: 4,496,164 km (0.109 R)
• M7: 5,567,285 km (0.068 R)
• M8: 6,541,017 km (0.099 R)
• M9: 8,319,886 km (0.108 R)
• M10: 8,796,654 km (0.058 R)
• M11: 9,744,057 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.6

Radius: 9.4

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.74 AU - 2.64 AU

Year: 2237 Days

Day: 13.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,333,343 km

• M1: 116,986 km (0.114 R)
• M2: 476,020 km (0.061 R)
• M3: 1,342,042 km (0.04 R)
• M4: 1,786,797 km (0.103 R)
• M5: 2,486,017 km (0.099 R)
• M6: 3,083,063 km (0.113 R)
• M7: 4,686,303 km (0.054 R)
• M8: 5,184,015 km (0.105 R)
• M9: 5,504,005 km (0.115 R)
• M10: 6,058,265 km (0.119 R)
• M11: 6,570,189 km (0.097 R)
• M12: 7,306,809 km (0.105 R)
• M13: 7,709,975 km (0.101 R)
• M14: 8,158,170 km (0.078 R)
• M15: 9,952,597 km (0.1 R)
• M16: 10,412,461 km (0.084 R)
• M17: 11,147,585 km (0.109 R)
• M18: 14,348,381 km (0.101 R)
• M19: 15,632,977 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.3

Radius: 14.7

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.19 AU - 2.23 AU

Year: 2268 Days

Day: 13.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,333,343 km

• M1: 182,809 km (0.093 R)
• M2: 785,090 km (0.049 R)
• M3: 1,246,599 km (0.096 R)
• M4: 2,603,153 km (0.031 R)
• M5: 3,111,785 km (0.116 R)
• M6: 5,342,589 km (0.1 R)
• M7: 6,630,477 km (0.095 R)
• M8: 8,667,102 km (0.037 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.8

Radius: 14.5

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.73 AU - 2.85 AU

Year: 3217 Days

Day: 6.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,333,343 km

• M1: 180,265 km (0.079 R)
• M2: 640,877 km (0.031 R)
• M3: 1,092,364 km (0.099 R)
• M4: 1,812,528 km (0.104 R)
• M5: 2,680,046 km (0.091 R)
• M6: 3,234,306 km (0.061 R)
• M7: 4,086,715 km (0.101 R)
• M8: 6,547,300 km (0.107 R)
• M9: 7,736,603 km (0.107 R)
• M10: 8,903,467 km (0.076 R)
• M11: 9,733,137 km (0.035 R)
• M12: 12,014,205 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.5

Radius: 9.6

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 3 AU - 3.58 AU

Year: 4119 Days

Day: 9.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,333,343 km

• M1: 120,725 km (0.119 R)
• M2: 725,250 km (0.084 R)
• M3: 1,574,518 km (0.109 R)
• M4: 2,259,377 km (0.064 R)
• M5: 3,302,672 km (0.095 R)
• M6: 4,763,346 km (0.052 R)
• M7: 6,613,871 km (0.059 R)
• M8: 7,493,806 km (0.101 R)
• M9: 8,194,672 km (0.076 R)
• M10: 10,950,714 km (0.059 R)
• M11: 13,651,404 km (0.095 R)
• M12: 14,063,097 km (0.109 R)
• M13: 19,475,548 km (0.118 R)
• M14: 20,595,737 km (0.074 R)
• M15: 22,038,160 km (0.096 R)
• M16: 22,391,360 km (0.114 R)
• M17: 22,964,171 km (0.118 R)
• M18: 26,768,594 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.5

Radius: 9.7

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 4.51 AU - 5.5 AU

Year: 7717 Days

Day: 5.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,333,343 km

• M1: 120,725 km (0.118 R)
• M2: 566,677 km (0.1 R)
• M3: 1,376,300 km (0.101 R)
• M4: 2,009,847 km (0.1 R)
• M5: 2,445,626 km (0.09 R)
• M6: 2,904,443 km (0.077 R)
• M7: 3,734,711 km (0.045 R)
• M8: 4,607,764 km (0.088 R)
• M9: 6,650,373 km (0.113 R)
• M10: 7,774,751 km (0.095 R)
• M11: 10,630,574 km (0.116 R)
• M12: 13,390,954 km (0.091 R)
• M13: 14,524,457 km (0.109 R)
• M14: 18,720,229 km (0.073 R)
• M15: 20,281,133 km (0.116 R)
• M16: 21,168,248 km (0.108 R)
• M17: 22,313,420 km (0.042 R)
• M18: 23,660,399 km (0.12 R)
• M19: 26,341,791 km (0.056 R)
• M20: 28,116,920 km (0.116 R)
• M21: 29,219,456 km (0.056 R)
• M22: 29,781,495 km (0.077 R)
• M23: 30,255,272 km (0.102 R)
• M24: 31,510,697 km (0.088 R)
• M25: 32,700,150 km (0.119 R)
• M26: 33,611,650 km (0.097 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.2

Radius: 14.3

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.94 AU - 6.12 AU

Year: 7787 Days

Day: 13 Hours

Environment

Temp: -214 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,333,343 km

• M1: 181,911 km (0.103 R)
• M2: 656,585 km (0.105 R)
• M3: 1,566,140 km (0.092 R)
• M4: 2,028,697 km (0.1 R)
• M5: 2,772,049 km (0.107 R)
• M6: 4,583,529 km (0.116 R)
• M7: 5,154,993 km (0.086 R)
• M8: 6,202,477 km (0.057 R)
• M9: 6,940,144 km (0.082 R)
• M10: 8,094,890 km (0.095 R)
• M11: 9,737,026 km (0.108 R)
• M12: 11,488,817 km (0.063 R)
• M13: 12,439,661 km (0.09 R)
• M14: 14,318,760 km (0.11 R)
• M15: 16,056,040 km (0.102 R)
• M16: 18,420,584 km (0.108 R)
• M17: 19,649,232 km (0.115 R)
• M18: 20,321,375 km (0.098 R)
• M19: 21,163,760 km (0.066 R)
• M20: 21,711,887 km (0.109 R)
• M21: 22,511,338 km (0.07 R)
• M22: 23,330,386 km (0.052 R)
• M23: 25,552,962 km (0.077 R)
• M24: 28,573,044 km (0.1 R)
• M25: 32,855,432 km (0.059 R)
• M26: 37,662,461 km (0.077 R)
• M27: 38,816,907 km (0.066 R)

Asteroid Belt

Center: 6.33 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 7.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 648

Radius: 4

Gravity: 40.5 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 6.53 AU - 8.71 AU

Year: 14519 Days

Day: 20.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 60,333,343 km

• M1: 49,816 km (0.091 R)
• M2: 204,799 km (0.09 R)
• M3: 531,970 km (0.103 R)
• M4: 925,412 km (0.086 R)
• M5: 1,184,366 km (0.088 R)
• M6: 1,344,885 km (0.12 R)
• M7: 1,520,064 km (0.104 R)
• M8: 1,880,595 km (0.115 R)
• M9: 2,568,446 km (0.107 R)
• M10: 3,029,656 km (0.087 R)
• M11: 3,516,747 km (0.084 R)
• M12: 4,421,066 km (0.108 R)
• M13: 4,612,402 km (0.08 R)
• M14: 5,011,828 km (0.099 R)
• M15: 6,969,765 km (0.084 R)
• M16: 7,361,412 km (0.059 R)
• M17: 7,767,570 km (0.103 R)
• M18: 9,332,813 km (0.105 R)
• M19: 10,189,261 km (0.106 R)
• M20: 12,557,096 km (0.1 R)
• M21: 15,051,790 km (0.083 R)
• M22: 15,705,084 km (0.116 R)
• M23: 19,853,433 km (0.09 R)
• M24: 21,717,272 km (0.052 R)
• M25: 23,694,358 km (0.076 R)
• M26: 33,166,746 km (0.117 R)
• M27: 39,201,673 km (0.088 R)
• M28: 42,691,193 km (0.056 R)
• M29: 43,558,412 km (0.092 R)
• M30: 44,437,449 km (0.095 R)
• M31: 45,477,753 km (0.108 R)
• M32: 47,761,364 km (0.079 R)
• M33: 49,167,584 km (0.09 R)
• M34: 50,440,662 km (0.084 R)
• M35: 51,247,294 km (0.102 R)
• M36: 58,542,883 km (0.081 R)
• M37: 60,152,705 km (0.089 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 14,964 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit