🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.1

Radius: 10

Gravity: 8.62 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.69 AU - 0.71 AU

Year: 404 Days

Day: 14 Hours

Environment

Temp: -165 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,327,637 km

• M1: 127,158 km (0.1 R)
• M2: 492,327 km (0.069 R)
• M3: 809,773 km (0.047 R)
• M4: 1,241,962 km (0.099 R)
• M5: 1,610,421 km (0.102 R)
• M6: 2,111,724 km (0.076 R)
• M7: 2,797,779 km (0.117 R)
• M8: 3,356,976 km (0.058 R)
• M9: 4,334,000 km (0.094 R)
• M10: 5,211,840 km (0.047 R)
• M11: 5,813,672 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.5

Radius: 8.9

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.17 AU - 1.19 AU

Year: 885 Days

Day: 8.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,327,637 km

• M1: 112,498 km (0.103 R)
• M2: 401,221 km (0.093 R)
• M3: 680,072 km (0.063 R)
• M4: 1,074,412 km (0.09 R)
• M5: 1,788,891 km (0.108 R)
• M6: 2,121,447 km (0.038 R)
• M7: 2,556,478 km (0.08 R)
• M8: 2,878,712 km (0.102 R)
• M9: 4,170,041 km (0.11 R)
• M10: 4,618,984 km (0.05 R)
• M11: 5,116,546 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.3

Radius: 14.9

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.33 AU - 1.41 AU

Year: 1107 Days

Day: 9 Hours

Environment

Temp: -180 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,327,637 km

• M1: 185,352 km (0.095 R)
• M2: 842,086 km (0.119 R)
• M3: 1,411,007 km (0.1 R)
• M4: 1,966,314 km (0.065 R)
• M5: 2,469,562 km (0.09 R)
• M6: 3,153,374 km (0.112 R)
• M7: 3,622,662 km (0.068 R)
• M8: 4,794,911 km (0.11 R)
• M9: 5,283,049 km (0.075 R)
• M10: 6,316,321 km (0.101 R)
• M11: 7,333,587 km (0.084 R)
• M12: 8,297,895 km (0.04 R)
• M13: 9,316,656 km (0.051 R)
• M14: 9,841,595 km (0.12 R)
• M15: 10,448,214 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.5

Radius: 15

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.39 AU - 2.05 AU

Year: 1557 Days

Day: 10.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,327,637 km

• M1: 186,549 km (0.114 R)
• M2: 663,616 km (0.102 R)
• M3: 1,340,696 km (0.117 R)
• M4: 1,821,204 km (0.088 R)
• M5: 2,848,343 km (0.079 R)
• M6: 3,813,399 km (0.088 R)
• M7: 5,873,212 km (0.073 R)
• M8: 7,708,479 km (0.078 R)
• M9: 8,388,551 km (0.098 R)
• M10: 10,467,064 km (0.1 R)
• M11: 11,957,208 km (0.108 R)
• M12: 13,706,606 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.5

Radius: 13.1

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.68 AU - 4.38 AU

Year: 4578 Days

Day: 7.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,327,637 km

• M1: 163,062 km (0.095 R)
• M2: 688,749 km (0.08 R)
• M3: 1,320,052 km (0.08 R)
• M4: 1,925,325 km (0.093 R)
• M5: 2,365,292 km (0.104 R)
• M6: 3,490,567 km (0.064 R)
• M7: 3,902,859 km (0.113 R)
• M8: 5,018,410 km (0.091 R)
• M9: 5,730,346 km (0.111 R)
• M10: 6,537,876 km (0.032 R)
• M11: 8,553,258 km (0.104 R)
• M12: 12,466,739 km (0.108 R)
• M13: 13,822,245 km (0.097 R)
• M14: 14,812,882 km (0.07 R)
• M15: 16,495,559 km (0.104 R)
• M16: 17,896,393 km (0.109 R)
• M17: 18,833,774 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 603

Radius: 3.7

Gravity: 44.05 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 5.84 AU - 7.44 AU

Year: 11810 Days

Day: 19.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 51,327,637 km

• M1: 46,076 km (0.038 R)
• M2: 195,973 km (0.062 R)
• M3: 335,249 km (0.119 R)
• M4: 527,781 km (0.082 R)
• M5: 669,899 km (0.045 R)
• M6: 916,437 km (0.07 R)
• M7: 2,188,617 km (0.105 R)
• M8: 2,882,153 km (0.096 R)
• M9: 3,452,719 km (0.118 R)
• M10: 3,791,408 km (0.077 R)
• M11: 7,215,105 km (0.098 R)
• M12: 9,051,868 km (0.094 R)
• M13: 10,631,771 km (0.114 R)
• M14: 11,122,901 km (0.069 R)
• M15: 11,628,841 km (0.102 R)
• M16: 13,301,046 km (0.114 R)
• M17: 13,426,259 km (0.056 R)
• M18: 15,263,321 km (0.096 R)
• M19: 18,400,239 km (0.071 R)
• M20: 20,325,115 km (0.114 R)
• M21: 22,203,914 km (0.09 R)
• M22: 22,914,803 km (0.094 R)
• M23: 24,009,261 km (0.031 R)
• M24: 28,114,676 km (0.105 R)
• M25: 29,262,391 km (0.116 R)
• M26: 30,767,644 km (0.12 R)
• M27: 33,815,103 km (0.067 R)
• M28: 34,165,611 km (0.1 R)
• M29: 42,503,897 km (0.093 R)
• M30: 45,843,370 km (0.045 R)
• M31: 46,272,716 km (0.064 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 400 - 12,366 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit