🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.1

Radius: 11

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.71 AU - 0.91 AU

Year: 503 Days

Day: 13.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,430,001 km

• M1: 137,032 km (0.087 R)
• M2: 496,366 km (0.099 R)
• M3: 948,002 km (0.117 R)
• M4: 1,395,299 km (0.113 R)
• M5: 1,867,580 km (0.06 R)
• M6: 2,210,009 km (0.096 R)
• M7: 2,625,443 km (0.113 R)
• M8: 3,476,655 km (0.068 R)
• M9: 3,905,552 km (0.08 R)
• M10: 4,792,218 km (0.092 R)
• M11: 5,879,346 km (0.102 R)
• M12: 6,338,761 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.6

Radius: 8.3

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.12 AU - 1.38 AU

Year: 965 Days

Day: 7.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,430,001 km

• M1: 103,223 km (0.038 R)
• M2: 398,080 km (0.109 R)
• M3: 800,797 km (0.102 R)
• M4: 1,393,654 km (0.038 R)
• M5: 1,764,208 km (0.069 R)
• M6: 2,705,477 km (0.114 R)
• M7: 3,195,560 km (0.095 R)
• M8: 4,201,456 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.7

Radius: 8.7

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.22 AU - 1.6 AU

Year: 1156 Days

Day: 8.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,430,001 km

• M1: 108,608 km (0.077 R)
• M2: 490,831 km (0.066 R)
• M3: 1,278,613 km (0.04 R)
• M4: 1,580,950 km (0.067 R)
• M5: 3,527,967 km (0.086 R)
• M6: 5,914,801 km (0.103 R)
• M7: 6,582,007 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.1

Radius: 8

Gravity: 14.91 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.54 AU - 1.6 AU

Year: 1358 Days

Day: 12.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,430,001 km

• M1: 103,372 km (0.081 R)
• M2: 671,096 km (0.069 R)
• M3: 1,918,742 km (0.044 R)
• M4: 2,372,622 km (0.089 R)
• M5: 3,012,901 km (0.037 R)
• M6: 3,544,273 km (0.069 R)
• M7: 3,991,570 km (0.092 R)
• M8: 4,712,483 km (0.059 R)
• M9: 5,652,556 km (0.118 R)
• M10: 6,510,350 km (0.082 R)
• M11: 7,128,638 km (0.077 R)
• M12: 7,813,796 km (0.075 R)
• M13: 8,511,969 km (0.099 R)
• M14: 10,234,439 km (0.066 R)
• M15: 11,912,478 km (0.106 R)
• M16: 12,640,122 km (0.102 R)
• M17: 13,437,928 km (0.11 R)
• M18: 13,724,857 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.3

Radius: 13.7

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.27 AU - 1.99 AU

Year: 1436 Days

Day: 8.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,430,001 km

• M1: 170,392 km (0.069 R)
• M2: 784,491 km (0.055 R)
• M3: 1,415,944 km (0.116 R)
• M4: 1,884,335 km (0.103 R)
• M5: 2,786,709 km (0.055 R)
• M6: 3,215,905 km (0.043 R)
• M7: 3,767,922 km (0.104 R)
• M8: 6,593,526 km (0.093 R)
• M9: 7,902,508 km (0.094 R)
• M10: 8,660,819 km (0.05 R)
• M11: 9,526,542 km (0.12 R)
• M12: 10,769,700 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.3

Radius: 13.2

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.4 AU - 2.06 AU

Year: 1571 Days

Day: 7.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,430,001 km

• M1: 164,258 km (0.081 R)
• M2: 1,066,184 km (0.099 R)
• M3: 2,355,418 km (0.077 R)
• M4: 3,262,580 km (0.054 R)
• M5: 4,018,797 km (0.108 R)
• M6: 4,468,189 km (0.098 R)
• M7: 5,205,707 km (0.028 R)
• M8: 5,672,452 km (0.097 R)
• M9: 6,143,087 km (0.113 R)
• M10: 6,716,346 km (0.105 R)
• M11: 7,629,491 km (0.109 R)
• M12: 8,715,273 km (0.115 R)
• M13: 9,669,408 km (0.094 R)
• M14: 11,822,720 km (0.106 R)
• M15: 12,672,585 km (0.118 R)
• M16: 13,981,118 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 973.3

Radius: 8

Gravity: 15.21 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 6.94 AU - 8.08 AU

Year: 14206 Days

Day: 22.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 71,430,001 km

• M1: 99,483 km (0.078 R)
• M2: 394,041 km (0.088 R)
• M3: 1,845,140 km (0.1 R)
• M4: 2,224,820 km (0.076 R)
• M5: 2,965,179 km (0.12 R)
• M6: 3,628,197 km (0.12 R)
• M7: 3,979,902 km (0.1 R)
• M8: 4,959,618 km (0.058 R)
• M9: 5,468,251 km (0.054 R)
• M10: 6,547,001 km (0.074 R)
• M11: 8,447,193 km (0.077 R)
• M12: 9,995,382 km (0.038 R)
• M13: 12,494,564 km (0.105 R)
• M14: 15,157,406 km (0.038 R)
• M15: 15,916,465 km (0.116 R)
• M16: 17,758,314 km (0.088 R)
• M17: 21,198,617 km (0.027 R)
• M18: 22,051,325 km (0.063 R)
• M19: 24,334,188 km (0.103 R)
• M20: 24,954,570 km (0.091 R)
• M21: 25,374,043 km (0.076 R)
• M22: 27,320,311 km (0.044 R)
• M23: 30,422,971 km (0.077 R)
• M24: 32,492,508 km (0.061 R)
• M25: 34,524,346 km (0.067 R)
• M26: 35,836,469 km (0.036 R)
• M27: 37,045,519 km (0.1 R)
• M28: 40,690,920 km (0.073 R)
• M29: 42,302,687 km (0.084 R)
• M30: 44,108,932 km (0.103 R)
• M31: 44,722,283 km (0.099 R)
• M32: 49,340,519 km (0.1 R)
• M33: 50,668,350 km (0.098 R)
• M34: 55,148,058 km (0.056 R)
• M35: 55,859,845 km (0.109 R)
• M36: 56,939,044 km (0.114 R)
• M37: 64,688,513 km (0.03 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 411

Radius: 4.3

Gravity: 22.23 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 9.48 AU - 11.52 AU

Year: 23485 Days

Day: 22.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 71,430,001 km

• M1: 53,556 km (0.095 R)
• M2: 217,665 km (0.117 R)
• M3: 362,625 km (0.11 R)
• M4: 979,866 km (0.117 R)
• M5: 1,671,307 km (0.103 R)
• M6: 1,923,380 km (0.119 R)
• M7: 3,166,538 km (0.098 R)
• M8: 3,439,405 km (0.082 R)
• M9: 3,757,599 km (0.101 R)
• M10: 4,158,522 km (0.084 R)
• M11: 4,485,842 km (0.11 R)
• M12: 4,830,216 km (0.056 R)
• M13: 5,081,540 km (0.069 R)
• M14: 6,092,224 km (0.057 R)
• M15: 6,385,735 km (0.084 R)
• M16: 7,947,088 km (0.111 R)
• M17: 8,297,595 km (0.029 R)
• M18: 11,292,694 km (0.101 R)
• M19: 11,544,318 km (0.087 R)
• M20: 13,693,740 km (0.099 R)
• M21: 15,317,176 km (0.083 R)
• M22: 17,229,636 km (0.086 R)
• M23: 20,019,337 km (0.085 R)
• M24: 21,713,682 km (0.04 R)
• M25: 21,907,711 km (0.108 R)
• M26: 26,143,425 km (0.07 R)
• M27: 28,049,002 km (0.088 R)
• M28: 30,045,087 km (0.111 R)
• M29: 31,758,581 km (0.112 R)
• M30: 33,795,206 km (0.096 R)
• M31: 34,449,098 km (0.108 R)
• M32: 36,324,906 km (0.062 R)
• M33: 38,835,158 km (0.044 R)
• M34: 39,120,890 km (0.115 R)
• M35: 42,813,564 km (0.057 R)
• M36: 45,611,493 km (0.111 R)
• M37: 45,770,366 km (0.067 R)
• M38: 46,731,682 km (0.058 R)
• M39: 48,198,788 km (0.069 R)
• M40: 55,091,510 km (0.081 R)
• M41: 57,651,130 km (0.115 R)
• M42: 68,265,996 km (0.097 R)
• M43: 68,891,166 km (0.102 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 458 - 17,663 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit