🌌 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: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.2

Radius: 11

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.78 AU - 0.86 AU

Year: 479 Days

Day: 14.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,217,022 km

• M1: 136,882 km (0.075 R)
• M2: 568,173 km (0.097 R)
• M3: 939,624 km (0.056 R)
• M4: 1,287,589 km (0.116 R)
• M5: 1,819,708 km (0.027 R)
• M6: 2,382,346 km (0.084 R)
• M7: 3,650,786 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.6

Radius: 10.3

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.31 AU - 1.75 AU

Year: 1222 Days

Day: 7 Hours

Environment

Temp: -176 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,217,022 km

• M1: 128,056 km (0.03 R)
• M2: 506,838 km (0.055 R)
• M3: 1,002,455 km (0.098 R)
• M4: 1,702,274 km (0.081 R)
• M5: 2,089,134 km (0.107 R)
• M6: 2,649,229 km (0.081 R)
• M7: 3,014,696 km (0.072 R)
• M8: 3,634,630 km (0.106 R)
• M9: 4,597,442 km (0.111 R)
• M10: 5,272,727 km (0.051 R)
• M11: 5,743,960 km (0.104 R)
• M12: 7,565,613 km (0.089 R)
• M13: 8,278,597 km (0.068 R)
• M14: 8,976,022 km (0.115 R)
• M15: 9,431,547 km (0.038 R)
• M16: 9,806,888 km (0.09 R)
• M17: 10,587,789 km (0.085 R)
• M18: 11,444,836 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.7

Radius: 14

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.17 AU - 2.65 AU

Year: 2416 Days

Day: 8.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,217,022 km

• M1: 174,282 km (0.09 R)
• M2: 686,804 km (0.104 R)
• M3: 1,191,547 km (0.088 R)
• M4: 2,485,269 km (0.1 R)
• M5: 3,175,963 km (0.1 R)
• M6: 4,497,361 km (0.076 R)
• M7: 5,127,168 km (0.045 R)
• M8: 5,726,008 km (0.074 R)
• M9: 6,205,469 km (0.06 R)
• M10: 7,350,791 km (0.113 R)
• M11: 8,632,545 km (0.079 R)
• M12: 9,172,893 km (0.092 R)
• M13: 10,255,532 km (0.107 R)
• M14: 12,259,396 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.8

Radius: 10.8

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.64 AU - 2.72 AU

Year: 2833 Days

Day: 5.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,217,022 km

• M1: 134,339 km (0.098 R)
• M2: 480,658 km (0.096 R)
• M3: 834,008 km (0.116 R)
• M4: 1,257,221 km (0.094 R)
• M5: 2,284,808 km (0.087 R)
• M6: 2,652,969 km (0.111 R)
• M7: 3,745,033 km (0.077 R)
• M8: 4,674,185 km (0.112 R)
• M9: 6,708,118 km (0.114 R)
• M10: 7,838,480 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 278.2

Radius: 4.1

Gravity: 16.55 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 7 AU - 7.7 AU

Year: 12866 Days

Day: 22.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,217,022 km

• M1: 51,462 km (0.108 R)
• M2: 329,714 km (0.069 R)
• M3: 645,365 km (0.039 R)
• M4: 779,704 km (0.074 R)
• M5: 1,032,076 km (0.058 R)
• M6: 1,300,454 km (0.047 R)
• M7: 1,728,603 km (0.107 R)
• M8: 2,334,176 km (0.067 R)
• M9: 3,005,421 km (0.099 R)
• M10: 5,262,105 km (0.075 R)
• M11: 6,154,606 km (0.092 R)
• M12: 6,473,249 km (0.118 R)
• M13: 7,220,790 km (0.109 R)
• M14: 9,477,175 km (0.072 R)
• M15: 12,721,504 km (0.092 R)
• M16: 20,338,728 km (0.095 R)
• M17: 23,175,253 km (0.109 R)
• M18: 30,727,103 km (0.078 R)
• M19: 30,931,753 km (0.105 R)
• M20: 35,108,227 km (0.096 R)
• M21: 35,782,464 km (0.114 R)
• M22: 37,040,732 km (0.118 R)
• M23: 39,766,405 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 654.4

Radius: 5.6

Gravity: 20.87 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 7.83 AU - 10.39 AU

Year: 17754 Days

Day: 18 Hours

Environment

Temp: -224 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 69,217,022 km

• M1: 82,428 km (0.06 R)
• M2: 312,510 km (0.109 R)
• M3: 582,385 km (0.054 R)
• M4: 816,056 km (0.057 R)
• M5: 1,721,423 km (0.088 R)
• M6: 2,012,241 km (0.079 R)
• M7: 2,314,279 km (0.038 R)
• M8: 2,532,094 km (0.079 R)
• M9: 3,085,456 km (0.036 R)
• M10: 3,658,117 km (0.077 R)
• M11: 5,453,142 km (0.058 R)
• M12: 6,245,562 km (0.109 R)
• M13: 7,340,768 km (0.085 R)
• M14: 8,155,029 km (0.069 R)
• M15: 8,609,806 km (0.083 R)
• M16: 8,974,975 km (0.114 R)
• M17: 9,904,875 km (0.09 R)
• M18: 10,539,918 km (0.063 R)
• M19: 11,449,024 km (0.079 R)
• M20: 12,148,095 km (0.116 R)
• M21: 13,771,531 km (0.103 R)
• M22: 20,404,551 km (0.11 R)
• M23: 21,053,357 km (0.076 R)
• M24: 22,588,231 km (0.1 R)
• M25: 23,382,895 km (0.118 R)
• M26: 26,748,698 km (0.026 R)
• M27: 27,079,907 km (0.089 R)
• M28: 30,663,973 km (0.09 R)
• M29: 31,637,706 km (0.075 R)
• M30: 32,256,742 km (0.075 R)
• M31: 39,322,100 km (0.052 R)
• M32: 39,607,233 km (0.084 R)
• M33: 40,326,051 km (0.1 R)
• M34: 40,615,971 km (0.088 R)
• M35: 45,603,415 km (0.107 R)
• M36: 46,871,107 km (0.092 R)
• M37: 56,772,242 km (0.112 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 483 - 11,112 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit