🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.94 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.6

Radius: 12.5

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.44 AU - 2.32 AU

Year: 1719 Days

Day: 12.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,806,077 km

• M1: 156,779 km (0.096 R)
• M2: 1,280,857 km (0.113 R)
• M3: 2,038,421 km (0.093 R)
• M4: 2,614,672 km (0.073 R)
• M5: 3,358,173 km (0.098 R)
• M6: 4,056,047 km (0.113 R)
• M7: 5,972,845 km (0.118 R)
• M8: 6,472,352 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.4

Radius: 10.2

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.61 AU - 2.67 AU

Year: 2088 Days

Day: 8.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,806,077 km

• M1: 126,859 km (0.044 R)
• M2: 513,719 km (0.09 R)
• M3: 959,072 km (0.102 R)
• M4: 1,308,832 km (0.098 R)
• M5: 1,686,566 km (0.085 R)
• M6: 2,036,476 km (0.111 R)
• M7: 2,460,287 km (0.047 R)
• M8: 2,871,980 km (0.104 R)
• M9: 3,633,583 km (0.104 R)
• M10: 4,543,587 km (0.032 R)
• M11: 5,938,287 km (0.102 R)
• M12: 6,809,845 km (0.054 R)
• M13: 7,249,962 km (0.058 R)
• M14: 8,158,918 km (0.054 R)
• M15: 8,745,641 km (0.105 R)
• M16: 9,297,657 km (0.089 R)
• M17: 10,403,485 km (0.08 R)
• M18: 11,199,944 km (0.095 R)
• M19: 12,073,745 km (0.116 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 59.1

Radius: 5

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5.3 AU - 6.42 AU

Year: 9460 Days

Day: 22.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,806,077 km

• M1: 63,579 km (0.066 R)
• M2: 264,339 km (0.064 R)
• M3: 436,527 km (0.085 R)
• M4: 2,575,327 km (0.099 R)
• M5: 3,674,124 km (0.089 R)
• M6: 5,650,312 km (0.053 R)
• M7: 6,292,386 km (0.098 R)
• M8: 8,959,267 km (0.091 R)
• M9: 10,171,010 km (0.117 R)
• M10: 10,756,237 km (0.094 R)
• M11: 12,735,716 km (0.036 R)
• M12: 14,650,119 km (0.091 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 741.2

Radius: 7.8

Gravity: 12.18 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 6.54 AU - 7.12 AU

Year: 11903 Days

Day: 17.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 49,806,077 km

• M1: 96,939 km (0.111 R)
• M2: 630,106 km (0.081 R)
• M3: 908,358 km (0.114 R)
• M4: 1,321,248 km (0.064 R)
• M5: 1,805,048 km (0.087 R)
• M6: 2,152,713 km (0.111 R)
• M7: 2,402,243 km (0.113 R)
• M8: 4,243,344 km (0.041 R)
• M9: 4,638,432 km (0.106 R)
• M10: 4,893,646 km (0.111 R)
• M11: 5,328,377 km (0.107 R)
• M12: 11,142,648 km (0.077 R)
• M13: 12,743,794 km (0.063 R)
• M14: 15,039,972 km (0.063 R)
• M15: 16,690,934 km (0.056 R)
• M16: 17,368,762 km (0.087 R)
• M17: 18,538,916 km (0.112 R)
• M18: 18,859,504 km (0.094 R)
• M19: 20,179,706 km (0.099 R)
• M20: 21,384,268 km (0.101 R)
• M21: 21,825,881 km (0.073 R)
• M22: 26,684,371 km (0.109 R)
• M23: 27,923,939 km (0.119 R)
• M24: 29,093,495 km (0.056 R)
• M25: 33,860,580 km (0.049 R)
• M26: 37,312,551 km (0.092 R)
• M27: 40,856,674 km (0.096 R)
• M28: 41,127,895 km (0.044 R)
• M29: 44,475,746 km (0.083 R)
• M30: 46,362,923 km (0.114 R)
• M31: 46,954,134 km (0.094 R)
• M32: 50,141,018 km (0.085 R)
• M33: 53,307,406 km (0.075 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 327.6

Radius: 5.9

Gravity: 9.41 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 6.22 AU - 9.94 AU

Year: 15316 Days

Day: 18.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 49,806,077 km

• M1: 73,901 km (0.102 R)
• M2: 262,245 km (0.082 R)
• M3: 639,830 km (0.066 R)
• M4: 927,507 km (0.101 R)
• M5: 1,402,779 km (0.112 R)
• M6: 1,642,734 km (0.057 R)
• M7: 2,336,120 km (0.055 R)
• M8: 2,759,482 km (0.078 R)
• M9: 5,106,075 km (0.035 R)
• M10: 5,712,095 km (0.12 R)
• M11: 6,215,642 km (0.051 R)
• M12: 6,670,419 km (0.111 R)
• M13: 6,866,393 km (0.091 R)
• M14: 9,283,595 km (0.099 R)
• M15: 9,676,738 km (0.117 R)
• M16: 10,132,413 km (0.032 R)
• M17: 11,031,945 km (0.085 R)
• M18: 13,171,644 km (0.111 R)
• M19: 13,542,946 km (0.101 R)
• M20: 14,177,241 km (0.085 R)
• M21: 15,368,488 km (0.105 R)
• M22: 20,226,231 km (0.112 R)
• M23: 21,391,897 km (0.116 R)
• M24: 21,818,700 km (0.043 R)
• M25: 29,131,044 km (0.063 R)
• M26: 31,486,013 km (0.113 R)
• M27: 35,015,326 km (0.106 R)
• M28: 35,489,103 km (0.092 R)
• M29: 37,303,875 km (0.107 R)
• M30: 42,578,396 km (0.099 R)
• M31: 47,891,664 km (0.084 R)
• M32: 48,475,395 km (0.118 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 541 - 18,912 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit