🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.5

Radius: 13.1

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.06 AU - 1.08 AU

Year: 764 Days

Day: 14.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,062,087 km

• M1: 162,912 km (0.076 R)
• M2: 576,550 km (0.057 R)
• M3: 1,058,555 km (0.109 R)
• M4: 1,535,173 km (0.051 R)
• M5: 2,758,734 km (0.048 R)
• M6: 3,238,794 km (0.059 R)
• M7: 3,925,299 km (0.108 R)
• M8: 4,689,893 km (0.107 R)
• M9: 5,284,395 km (0.068 R)
• M10: 6,344,296 km (0.106 R)
• M11: 7,027,360 km (0.104 R)
• M12: 8,030,414 km (0.066 R)
• M13: 8,645,111 km (0.111 R)
• M14: 9,346,426 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529

Radius: 12.2

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.27 AU - 3.49 AU

Year: 4289 Days

Day: 8.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,062,087 km

• M1: 151,692 km (0.05 R)
• M2: 906,713 km (0.072 R)
• M3: 1,559,408 km (0.031 R)
• M4: 2,269,400 km (0.112 R)
• M5: 3,058,678 km (0.118 R)
• M6: 4,401,618 km (0.101 R)
• M7: 5,684,270 km (0.053 R)
• M8: 6,250,199 km (0.078 R)
• M9: 6,791,594 km (0.081 R)
• M10: 7,934,073 km (0.113 R)
• M11: 8,425,502 km (0.075 R)
• M12: 10,639,550 km (0.071 R)
• M13: 12,408,695 km (0.092 R)
• M14: 13,072,012 km (0.069 R)
• M15: 17,974,334 km (0.046 R)
• M16: 18,456,637 km (0.099 R)
• M17: 18,885,534 km (0.081 R)
• M18: 20,407,244 km (0.057 R)
• M19: 21,601,035 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.6

Radius: 12.2

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.68 AU - 4.12 AU

Year: 4327 Days

Day: 13.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,062,087 km

• M1: 151,991 km (0.119 R)
• M2: 554,260 km (0.104 R)
• M3: 1,437,336 km (0.087 R)
• M4: 2,991,957 km (0.102 R)
• M5: 4,525,485 km (0.096 R)
• M6: 5,898,046 km (0.107 R)
• M7: 11,277,585 km (0.102 R)
• M8: 12,344,966 km (0.092 R)
• M9: 13,723,211 km (0.053 R)
• M10: 14,628,727 km (0.1 R)
• M11: 15,627,442 km (0.049 R)
• M12: 16,896,631 km (0.08 R)
• M13: 18,774,982 km (0.051 R)
• M14: 21,314,256 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.4

Radius: 9.5

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.76 AU - 4.6 AU

Year: 4873 Days

Day: 5.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,062,087 km

• M1: 138,677 km (0.095 R)
• M2: 912,397 km (0.117 R)
• M3: 1,261,559 km (0.097 R)
• M4: 1,932,057 km (0.094 R)
• M5: 2,874,972 km (0.032 R)
• M6: 3,795,298 km (0.091 R)
• M7: 4,264,587 km (0.068 R)
• M8: 7,607,949 km (0.096 R)
• M9: 8,329,011 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 91.7

Radius: 3.7

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.43 AU - 7.07 AU

Year: 9517 Days

Day: 24.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,062,087 km

• M1: 46,076 km (0.112 R)
• M2: 188,793 km (0.079 R)
• M3: 365,168 km (0.117 R)
• M4: 698,173 km (0.045 R)
• M5: 904,768 km (0.03 R)
• M6: 1,043,894 km (0.11 R)
• M7: 1,654,253 km (0.103 R)
• M8: 2,008,501 km (0.107 R)
• M9: 2,132,667 km (0.098 R)
• M10: 2,335,821 km (0.116 R)
• M11: 2,599,712 km (0.102 R)
• M12: 3,187,033 km (0.104 R)
• M13: 6,080,256 km (0.078 R)
• M14: 6,195,297 km (0.071 R)
• M15: 7,892,484 km (0.068 R)
• M16: 8,957,920 km (0.063 R)
• M17: 10,983,027 km (0.097 R)
• M18: 12,215,115 km (0.036 R)
• M19: 12,398,223 km (0.09 R)
• M20: 14,485,263 km (0.094 R)
• M21: 15,854,532 km (0.116 R)
• M22: 16,017,893 km (0.096 R)
• M23: 19,776,091 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 710.2

Radius: 5.8

Gravity: 21.11 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 6.08 AU - 6.92 AU

Year: 11439 Days

Day: 22.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,062,087 km

• M1: 72,555 km (0.043 R)
• M2: 337,044 km (0.072 R)
• M3: 716,873 km (0.095 R)
• M4: 971,638 km (0.079 R)
• M5: 1,531,733 km (0.114 R)
• M6: 1,760,169 km (0.048 R)
• M7: 2,011,194 km (0.105 R)
• M8: 3,167,286 km (0.074 R)
• M9: 4,197,567 km (0.062 R)
• M10: 4,555,255 km (0.117 R)
• M11: 5,162,922 km (0.029 R)
• M12: 5,573,717 km (0.064 R)
• M13: 8,141,116 km (0.089 R)
• M14: 10,041,308 km (0.03 R)
• M15: 12,458,211 km (0.115 R)
• M16: 12,762,344 km (0.095 R)
• M17: 13,640,035 km (0.085 R)
• M18: 23,333,378 km (0.091 R)
• M19: 23,702,735 km (0.071 R)
• M20: 27,406,928 km (0.078 R)
• M21: 29,396,131 km (0.03 R)
• M22: 30,152,648 km (0.092 R)
• M23: 31,591,779 km (0.107 R)
• M24: 34,249,236 km (0.093 R)
• M25: 34,726,154 km (0.093 R)
• M26: 39,872,320 km (0.104 R)
• M27: 40,532,645 km (0.055 R)
• M28: 41,604,514 km (0.115 R)
• M29: 50,098,681 km (0.095 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: 321 - 16,579 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit