🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.2

Radius: 9

Gravity: 8.85 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1 AU - 1.51 AU

Year: 932 Days

Day: 8.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,994,758 km

• M1: 112,198 km (0.117 R)
• M2: 461,061 km (0.07 R)
• M3: 759,359 km (0.066 R)
• M4: 1,455,288 km (0.076 R)
• M5: 2,238,134 km (0.098 R)
• M6: 2,853,879 km (0.108 R)
• M7: 3,236,400 km (0.027 R)
• M8: 3,637,771 km (0.038 R)
• M9: 4,523,690 km (0.115 R)
• M10: 5,666,917 km (0.12 R)
• M11: 6,123,340 km (0.078 R)
• M12: 6,492,697 km (0.07 R)
• M13: 7,039,328 km (0.088 R)
• M14: 8,224,442 km (0.078 R)
• M15: 8,540,393 km (0.105 R)
• M16: 9,253,077 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.2

Radius: 10.8

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.34 AU - 3.42 AU

Year: 3259 Days

Day: 10.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,994,758 km

• M1: 141,819 km (0.08 R)
• M2: 487,988 km (0.056 R)
• M3: 996,621 km (0.072 R)
• M4: 2,433,060 km (0.088 R)
• M5: 3,296,539 km (0.112 R)
• M6: 3,755,505 km (0.099 R)
• M7: 4,700,066 km (0.044 R)
• M8: 5,065,833 km (0.079 R)
• M9: 6,877,164 km (0.076 R)
• M10: 7,373,081 km (0.116 R)
• M11: 7,868,549 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.9

Radius: 14.7

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 3.64 AU - 4.52 AU

Year: 5496 Days

Day: 6 Hours

Environment

Temp: -229 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,994,758 km

• M1: 182,809 km (0.117 R)
• M2: 691,441 km (0.052 R)
• M3: 1,217,278 km (0.087 R)
• M4: 2,059,215 km (0.066 R)
• M5: 3,441,050 km (0.054 R)
• M6: 6,257,380 km (0.12 R)
• M7: 6,973,206 km (0.037 R)
• M8: 10,061,953 km (0.105 R)
• M9: 12,763,690 km (0.114 R)
• M10: 13,457,824 km (0.066 R)
• M11: 14,387,276 km (0.118 R)
• M12: 15,084,851 km (0.084 R)
• M13: 19,044,258 km (0.092 R)
• M14: 20,017,392 km (0.073 R)
• M15: 22,702,973 km (0.112 R)
• M16: 24,094,831 km (0.08 R)
• M17: 25,079,485 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.8

Radius: 12.6

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.47 AU - 4.69 AU

Year: 5496 Days

Day: 12.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,994,758 km

• M1: 159,023 km (0.108 R)
• M2: 638,783 km (0.11 R)
• M3: 1,263,204 km (0.086 R)
• M4: 2,128,628 km (0.112 R)
• M5: 2,779,678 km (0.062 R)
• M6: 4,313,954 km (0.064 R)
• M7: 4,729,387 km (0.066 R)
• M8: 7,259,087 km (0.11 R)
• M9: 8,970,188 km (0.086 R)
• M10: 9,447,106 km (0.091 R)
• M11: 11,573,639 km (0.108 R)
• M12: 13,896,745 km (0.07 R)
• M13: 14,645,183 km (0.094 R)
• M14: 16,397,722 km (0.116 R)
• M15: 19,381,601 km (0.106 R)
• M16: 20,656,923 km (0.113 R)
• M17: 21,987,297 km (0.08 R)
• M18: 27,550,393 km (0.071 R)
• M19: 28,475,655 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 665.4

Radius: 3.6

Gravity: 51.34 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 5.3 AU - 6.52 AU

Year: 9581 Days

Day: 16.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 48,994,758 km

• M1: 44,730 km (0.087 R)
• M2: 182,360 km (0.059 R)
• M3: 483,949 km (0.074 R)
• M4: 1,352,514 km (0.097 R)
• M5: 1,793,080 km (0.074 R)
• M6: 2,089,433 km (0.119 R)
• M7: 2,267,605 km (0.071 R)
• M8: 2,417,502 km (0.108 R)
• M9: 2,778,780 km (0.059 R)
• M10: 7,924,199 km (0.119 R)
• M11: 9,225,102 km (0.073 R)
• M12: 9,367,220 km (0.085 R)
• M13: 9,510,834 km (0.053 R)
• M14: 10,455,246 km (0.093 R)
• M15: 10,818,320 km (0.072 R)
• M16: 12,127,301 km (0.115 R)
• M17: 17,391,949 km (0.115 R)
• M18: 22,511,488 km (0.115 R)
• M19: 23,378,856 km (0.083 R)
• M20: 25,644,366 km (0.068 R)
• M21: 26,019,857 km (0.069 R)
• M22: 31,776,832 km (0.102 R)
• M23: 32,756,997 km (0.1 R)
• M24: 33,088,207 km (0.089 R)
• M25: 33,533,260 km (0.068 R)
• M26: 38,083,429 km (0.096 R)
• M27: 39,188,808 km (0.093 R)
• M28: 40,950,772 km (0.096 R)
• M29: 43,558,262 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 739.2

Radius: 7.1

Gravity: 14.66 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.3 AU - 6.82 AU

Year: 9948 Days

Day: 20.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 64 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,994,758 km

• M1: 92,152 km (0.046 R)
• M2: 332,855 km (0.104 R)
• M3: 772,823 km (0.084 R)
• M4: 1,083,388 km (0.071 R)
• M5: 1,318,406 km (0.082 R)
• M6: 1,660,985 km (0.103 R)
• M7: 2,149,422 km (0.094 R)
• M8: 2,585,650 km (0.103 R)
• M9: 2,814,534 km (0.089 R)
• M10: 3,789,912 km (0.059 R)
• M11: 4,634,692 km (0.104 R)
• M12: 6,201,580 km (0.105 R)
• M13: 7,452,068 km (0.106 R)
• M14: 10,132,713 km (0.065 R)
• M15: 11,353,730 km (0.082 R)
• M16: 13,894,650 km (0.042 R)
• M17: 14,535,677 km (0.065 R)
• M18: 17,518,659 km (0.065 R)
• M19: 18,115,255 km (0.094 R)
• M20: 18,802,657 km (0.104 R)
• M21: 19,113,671 km (0.063 R)
• M22: 30,871,166 km (0.116 R)
• M23: 33,988,038 km (0.095 R)
• M24: 47,686,116 km (0.095 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 165 - 17,001 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit