🌌 Stone's Star System Generator

Asteroid Belt

Center: 3.14 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 6.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257

Radius: 10.6

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 5.43 AU - 7.13 AU

Year: 5692 Days

Day: 7.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,018,495 km

• M1: 131,796 km (0.07 R)
• M2: 492,027 km (0.114 R)
• M3: 1,027,438 km (0.06 R)
• M4: 1,759,121 km (0.054 R)
• M5: 2,198,490 km (0.115 R)
• M6: 2,743,027 km (0.074 R)
• M7: 3,375,676 km (0.054 R)
• M8: 3,954,021 km (0.115 R)
• M9: 4,931,943 km (0.119 R)
• M10: 5,308,630 km (0.029 R)
• M11: 5,923,926 km (0.113 R)
• M12: 6,321,258 km (0.114 R)
• M13: 7,201,342 km (0.06 R)
• M14: 8,475,767 km (0.092 R)
• M15: 9,241,708 km (0.083 R)
• M16: 10,619,803 km (0.045 R)
• M17: 15,626,246 km (0.113 R)
• M18: 16,720,853 km (0.108 R)
• M19: 19,123,545 km (0.088 R)
• M20: 19,805,412 km (0.101 R)
• M21: 20,311,501 km (0.095 R)
• M22: 21,349,561 km (0.045 R)
• M23: 22,903,135 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.3

Radius: 9.4

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 7.37 AU - 7.57 AU

Year: 7384 Days

Day: 5.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,018,495 km

• M1: 122,969 km (0.117 R)
• M2: 703,858 km (0.099 R)
• M3: 1,124,976 km (0.105 R)
• M4: 2,012,690 km (0.056 R)
• M5: 2,821,117 km (0.052 R)
• M6: 5,573,568 km (0.102 R)
• M7: 6,447,219 km (0.102 R)
• M8: 8,670,693 km (0.074 R)
• M9: 9,706,359 km (0.053 R)
• M10: 11,016,686 km (0.06 R)
• M11: 13,363,727 km (0.099 R)
• M12: 16,151,484 km (0.087 R)
• M13: 16,855,940 km (0.112 R)
• M14: 17,447,450 km (0.042 R)
• M15: 19,735,400 km (0.114 R)
• M16: 20,466,335 km (0.064 R)
• M17: 22,688,611 km (0.075 R)
• M18: 31,286,599 km (0.058 R)
• M19: 33,603,272 km (0.097 R)
• M20: 34,330,467 km (0.06 R)
• M21: 34,962,070 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.6

Radius: 14.1

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 7.29 AU - 9.71 AU

Year: 8962 Days

Day: 5.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 75,018,495 km

• M1: 175,478 km (0.069 R)
• M2: 864,227 km (0.067 R)
• M3: 1,471,744 km (0.11 R)
• M4: 2,309,193 km (0.12 R)
• M5: 2,916,560 km (0.108 R)
• M6: 3,891,938 km (0.052 R)
• M7: 4,958,272 km (0.074 R)
• M8: 5,436,087 km (0.08 R)
• M9: 6,732,203 km (0.071 R)
• M10: 7,862,565 km (0.081 R)
• M11: 8,557,297 km (0.064 R)
• M12: 9,337,151 km (0.096 R)
• M13: 10,022,908 km (0.04 R)
• M14: 10,742,025 km (0.074 R)
• M15: 11,911,282 km (0.108 R)
• M16: 15,994,256 km (0.081 R)
• M17: 16,843,823 km (0.117 R)
• M18: 18,775,879 km (0.105 R)
• M19: 20,394,528 km (0.099 R)
• M20: 21,707,848 km (0.106 R)
• M21: 22,425,469 km (0.093 R)
• M22: 23,490,007 km (0.108 R)
• M23: 31,297,819 km (0.099 R)
• M24: 34,853,462 km (0.061 R)
• M25: 36,059,220 km (0.084 R)
• M26: 37,066,313 km (0.101 R)
• M27: 39,371,317 km (0.09 R)

Planet 4 - Ice Giant

Semi-Major Axis: 16.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 955.6

Radius: 7.7

Gravity: 16.12 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 15.96 AU - 18 AU

Year: 25304 Days

Day: 16.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 75,018,495 km

• M1: 100,081 km (0.03 R)
• M2: 656,136 km (0.11 R)
• M3: 1,015,919 km (0.104 R)
• M4: 1,304,643 km (0.09 R)
• M5: 5,634,305 km (0.112 R)
• M6: 6,502,571 km (0.089 R)
• M7: 6,893,769 km (0.107 R)
• M8: 7,831,299 km (0.086 R)
• M9: 9,332,214 km (0.068 R)
• M10: 10,280,366 km (0.061 R)
• M11: 11,856,978 km (0.104 R)
• M12: 12,219,902 km (0.114 R)
• M13: 12,968,191 km (0.045 R)
• M14: 16,091,495 km (0.094 R)
• M15: 17,081,534 km (0.102 R)
• M16: 18,111,665 km (0.114 R)
• M17: 22,317,310 km (0.087 R)
• M18: 28,273,399 km (0.117 R)
• M19: 30,925,769 km (0.077 R)
• M20: 31,337,463 km (0.112 R)
• M21: 32,031,746 km (0.049 R)
• M22: 34,030,075 km (0.074 R)
• M23: 36,110,233 km (0.041 R)
• M24: 36,873,182 km (0.12 R)
• M25: 40,358,514 km (0.091 R)
• M26: 52,509,152 km (0.057 R)
• M27: 67,345,670 km (0.041 R)
• M28: 73,255,385 km (0.087 R)
• M29: 73,742,475 km (0.117 R)
• M30: 73,986,918 km (0.12 R)
• M31: 84,479,414 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 304.1

Radius: 4.7

Gravity: 13.77 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 14.91 AU - 22.61 AU

Year: 29386 Days

Day: 24.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,018,495 km

• M1: 58,493 km (0.078 R)
• M2: 813,812 km (0.04 R)
• M3: 982,409 km (0.12 R)
• M4: 1,721,722 km (0.068 R)
• M5: 2,727,917 km (0.077 R)
• M6: 3,355,779 km (0.084 R)
• M7: 4,964,705 km (0.091 R)
• M8: 5,454,937 km (0.088 R)
• M9: 5,894,455 km (0.116 R)
• M10: 6,357,162 km (0.093 R)
• M11: 8,557,447 km (0.089 R)
• M12: 14,608,531 km (0.106 R)
• M13: 16,008,169 km (0.046 R)
• M14: 16,330,852 km (0.08 R)
• M15: 20,266,622 km (0.11 R)
• M16: 22,907,922 km (0.106 R)
• M17: 23,112,123 km (0.063 R)
• M18: 25,222,650 km (0.084 R)
• M19: 37,016,647 km (0.071 R)
• M20: 52,902,893 km (0.076 R)
• M21: 57,106,743 km (0.088 R)
• M22: 57,670,877 km (0.103 R)
• M23: 63,720,315 km (0.096 R)

Kuiper Belt

Range: 30.3 - 47.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 377 - 17,590 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit