🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.1

Radius: 12.6

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.64 AU - 0.94 AU

Year: 485 Days

Day: 12.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,084,565 km

• M1: 157,527 km (0.067 R)
• M2: 571,613 km (0.077 R)
• M3: 1,017,116 km (0.102 R)
• M4: 1,515,875 km (0.052 R)
• M5: 1,939,536 km (0.066 R)
• M6: 2,427,973 km (0.047 R)
• M7: 2,927,630 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.9

Radius: 9.3

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.95 AU - 1.11 AU

Year: 722 Days

Day: 9.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 139.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 64,084,565 km

• M1: 115,639 km (0.083 R)
• M2: 436,975 km (0.083 R)
• M3: 922,720 km (0.086 R)
• M4: 1,609,075 km (0.056 R)
• M5: 2,026,453 km (0.092 R)
• M6: 3,220,393 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.9

Radius: 10.9

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.97 AU - 1.15 AU

Year: 753 Days

Day: 5.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,084,565 km

• M1: 138,378 km (0.088 R)
• M2: 786,586 km (0.066 R)
• M3: 1,233,135 km (0.097 R)
• M4: 1,590,973 km (0.073 R)
• M5: 2,037,822 km (0.089 R)
• M6: 2,668,527 km (0.104 R)
• M7: 3,011,854 km (0.064 R)
• M8: 3,384,951 km (0.106 R)
• M9: 4,240,800 km (0.026 R)
• M10: 4,627,960 km (0.05 R)
• M11: 6,234,342 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.1

Radius: 9.7

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.06 AU - 1.1 AU

Year: 775 Days

Day: 10.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,084,565 km

• M1: 120,576 km (0.068 R)
• M2: 467,194 km (0.1 R)
• M3: 899,682 km (0.113 R)
• M4: 1,204,562 km (0.084 R)
• M5: 1,951,055 km (0.087 R)
• M6: 4,867,466 km (0.113 R)
• M7: 6,027,448 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.1

Radius: 10.1

Gravity: 9.3 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.64 AU - 2.74 AU

Year: 3045 Days

Day: 5.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,084,565 km

• M1: 126,261 km (0.106 R)
• M2: 441,912 km (0.044 R)
• M3: 892,052 km (0.111 R)
• M4: 1,394,551 km (0.115 R)
• M5: 1,747,902 km (0.039 R)
• M6: 2,422,289 km (0.115 R)
• M7: 4,374,092 km (0.07 R)
• M8: 5,427,710 km (0.096 R)
• M9: 6,315,873 km (0.12 R)
• M10: 7,591,942 km (0.06 R)
• M11: 8,847,368 km (0.034 R)
• M12: 11,413,270 km (0.071 R)
• M13: 11,854,734 km (0.072 R)
• M14: 13,784,995 km (0.076 R)
• M15: 14,850,880 km (0.107 R)
• M16: 15,165,185 km (0.078 R)
• M17: 16,411,934 km (0.098 R)
• M18: 19,480,336 km (0.057 R)
• M19: 22,911,961 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.2

Radius: 10

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.51 AU - 3.27 AU

Year: 3391 Days

Day: 8.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 64,084,565 km

• M1: 143,464 km (0.07 R)
• M2: 572,212 km (0.038 R)
• M3: 946,207 km (0.034 R)
• M4: 1,351,168 km (0.113 R)
• M5: 1,735,634 km (0.109 R)
• M6: 2,279,124 km (0.065 R)
• M7: 2,796,134 km (0.107 R)
• M8: 3,220,094 km (0.107 R)
• M9: 3,957,911 km (0.072 R)
• M10: 4,494,070 km (0.087 R)
• M11: 5,257,916 km (0.12 R)
• M12: 6,487,461 km (0.119 R)
• M13: 6,916,358 km (0.096 R)
• M14: 7,933,474 km (0.105 R)
• M15: 8,246,732 km (0.116 R)
• M16: 9,047,530 km (0.117 R)
• M17: 9,899,190 km (0.031 R)
• M18: 10,509,998 km (0.103 R)
• M19: 10,888,481 km (0.084 R)
• M20: 11,987,427 km (0.117 R)
• M21: 13,207,248 km (0.082 R)
• M22: 13,549,378 km (0.113 R)
• M23: 15,189,569 km (0.071 R)
• M24: 15,782,725 km (0.117 R)
• M25: 16,672,982 km (0.068 R)
• M26: 17,951,445 km (0.107 R)
• M27: 19,045,006 km (0.085 R)
• M28: 22,109,518 km (0.104 R)
• M29: 22,592,420 km (0.068 R)
• M30: 23,082,353 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.7

Radius: 12.2

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.68 AU - 4.1 AU

Year: 4308 Days

Day: 7.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,084,565 km

• M1: 162,164 km (0.06 R)
• M2: 694,134 km (0.074 R)
• M3: 1,166,265 km (0.083 R)
• M4: 1,628,522 km (0.081 R)
• M5: 2,075,222 km (0.108 R)
• M6: 2,816,330 km (0.03 R)
• M7: 3,998,901 km (0.055 R)
• M8: 4,751,228 km (0.089 R)
• M9: 5,568,631 km (0.112 R)
• M10: 6,874,172 km (0.098 R)
• M11: 8,771,970 km (0.05 R)
• M12: 9,296,610 km (0.102 R)
• M13: 10,742,174 km (0.106 R)
• M14: 11,563,167 km (0.104 R)
• M15: 12,102,917 km (0.12 R)
• M16: 14,380,694 km (0.095 R)
• M17: 15,217,395 km (0.04 R)
• M18: 16,476,859 km (0.039 R)
• M19: 16,988,185 km (0.052 R)
• M20: 18,464,267 km (0.089 R)
• M21: 19,578,771 km (0.09 R)
• M22: 23,619,110 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884

Radius: 5.4

Gravity: 30.32 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.8 AU - 6.4 AU

Year: 9147 Days

Day: 16.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 64,084,565 km

• M1: 67,469 km (0.093 R)
• M2: 312,660 km (0.1 R)
• M3: 633,996 km (0.073 R)
• M4: 1,099,694 km (0.096 R)
• M5: 1,327,831 km (0.111 R)
• M6: 1,646,325 km (0.082 R)
• M7: 2,066,246 km (0.041 R)
• M8: 2,339,262 km (0.045 R)
• M9: 2,719,540 km (0.089 R)
• M10: 5,198,376 km (0.114 R)
• M11: 5,430,552 km (0.065 R)
• M12: 6,132,316 km (0.069 R)
• M13: 7,337,028 km (0.096 R)
• M14: 8,193,027 km (0.117 R)
• M15: 8,830,762 km (0.064 R)
• M16: 9,066,229 km (0.05 R)
• M17: 9,500,961 km (0.056 R)
• M18: 11,714,560 km (0.081 R)
• M19: 14,057,712 km (0.089 R)
• M20: 16,553,004 km (0.044 R)
• M21: 16,767,378 km (0.096 R)
• M22: 19,725,975 km (0.1 R)
• M23: 21,966,802 km (0.066 R)
• M24: 28,966,486 km (0.092 R)
• M25: 29,382,368 km (0.085 R)
• M26: 30,013,522 km (0.12 R)
• M27: 31,411,962 km (0.096 R)
• M28: 31,630,824 km (0.091 R)
• M29: 32,853,338 km (0.108 R)
• M30: 33,305,572 km (0.118 R)
• M31: 35,510,346 km (0.113 R)
• M32: 38,182,762 km (0.069 R)
• M33: 40,337,271 km (0.03 R)
• M34: 42,171,490 km (0.105 R)
• M35: 42,437,924 km (0.092 R)
• M36: 43,515,178 km (0.025 R)
• M37: 43,787,297 km (0.11 R)

Asteroid Belt

Center: 6.44 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 890.5

Radius: 7.9

Gravity: 14.27 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 6.78 AU - 7.78 AU

Year: 13558 Days

Day: 19.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 64,084,565 km

• M1: 98,286 km (0.049 R)
• M2: 836,850 km (0.069 R)
• M3: 1,184,366 km (0.077 R)
• M4: 1,843,195 km (0.108 R)
• M5: 2,155,855 km (0.086 R)
• M6: 2,591,035 km (0.081 R)
• M7: 2,960,991 km (0.108 R)
• M8: 3,693,123 km (0.108 R)
• M9: 4,132,192 km (0.068 R)
• M10: 4,380,375 km (0.063 R)
• M11: 6,085,941 km (0.096 R)
• M12: 6,367,185 km (0.118 R)
• M13: 8,144,557 km (0.116 R)
• M14: 8,586,170 km (0.071 R)
• M15: 12,777,453 km (0.117 R)
• M16: 15,127,636 km (0.062 R)
• M17: 15,870,389 km (0.077 R)
• M18: 17,914,943 km (0.117 R)
• M19: 20,217,554 km (0.06 R)
• M20: 21,209,837 km (0.081 R)
• M21: 28,857,280 km (0.099 R)
• M22: 29,196,418 km (0.093 R)
• M23: 30,932,651 km (0.094 R)
• M24: 32,006,764 km (0.099 R)
• M25: 36,027,506 km (0.052 R)
• M26: 39,532,733 km (0.043 R)
• M27: 40,372,725 km (0.07 R)
• M28: 41,224,536 km (0.098 R)
• M29: 42,524,691 km (0.106 R)
• M30: 45,054,690 km (0.045 R)
• M31: 47,683,424 km (0.086 R)
• M32: 49,923,652 km (0.1 R)
• M33: 52,065,744 km (0.079 R)
• M34: 57,598,471 km (0.098 R)
• M35: 59,770,333 km (0.117 R)
• M36: 64,084,586 km (0.054 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 285 - 17,263 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit