🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.51 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.4

Radius: 8.6

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.36 AU - 3.68 AU

Year: 3337 Days

Day: 10.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 38,076,073 km

• M1: 107,561 km (0.098 R)
• M2: 651,648 km (0.048 R)
• M3: 1,106,875 km (0.104 R)
• M4: 1,557,763 km (0.075 R)
• M5: 2,453,405 km (0.083 R)
• M6: 2,766,214 km (0.1 R)
• M7: 3,139,461 km (0.115 R)
• M8: 3,601,569 km (0.073 R)
• M9: 4,294,656 km (0.086 R)
• M10: 4,774,117 km (0.112 R)
• M11: 5,192,392 km (0.108 R)
• M12: 5,559,655 km (0.103 R)
• M13: 5,891,912 km (0.095 R)
• M14: 6,264,411 km (0.052 R)
• M15: 6,652,617 km (0.053 R)
• M16: 7,027,360 km (0.119 R)
• M17: 8,302,532 km (0.119 R)
• M18: 8,942,961 km (0.08 R)
• M19: 10,514,038 km (0.055 R)
• M20: 11,385,296 km (0.087 R)
• M21: 12,869,306 km (0.101 R)
• M22: 13,634,799 km (0.114 R)
• M23: 14,335,216 km (0.061 R)
• M24: 14,815,276 km (0.109 R)
• M25: 15,306,106 km (0.041 R)
• M26: 18,257,373 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.8

Radius: 13.4

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.97 AU - 3.69 AU

Year: 3864 Days

Day: 12.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,076,073 km

• M1: 166,802 km (0.111 R)
• M2: 643,570 km (0.09 R)
• M3: 1,419,534 km (0.064 R)
• M4: 1,956,591 km (0.095 R)
• M5: 2,598,964 km (0.058 R)
• M6: 3,864,113 km (0.113 R)
• M7: 4,679,122 km (0.094 R)
• M8: 6,262,316 km (0.067 R)
• M9: 7,266,717 km (0.1 R)
• M10: 7,919,412 km (0.06 R)
• M11: 8,509,576 km (0.111 R)
• M12: 9,377,991 km (0.1 R)
• M13: 12,040,235 km (0.097 R)
• M14: 14,973,700 km (0.12 R)
• M15: 15,775,843 km (0.118 R)
• M16: 16,606,261 km (0.099 R)
• M17: 17,140,026 km (0.087 R)
• M18: 19,214,949 km (0.102 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 983.4

Radius: 5.7

Gravity: 30.27 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 6.65 AU - 7.99 AU

Year: 12592 Days

Day: 24.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 38,076,073 km

• M1: 71,358 km (0.096 R)
• M2: 258,954 km (0.049 R)
• M3: 582,385 km (0.04 R)
• M4: 930,798 km (0.081 R)
• M5: 1,216,679 km (0.104 R)
• M6: 1,687,763 km (0.076 R)
• M7: 2,134,762 km (0.113 R)
• M8: 3,952,525 km (0.069 R)
• M9: 4,162,561 km (0.025 R)
• M10: 4,703,955 km (0.041 R)
• M11: 4,974,428 km (0.117 R)
• M12: 7,802,875 km (0.066 R)
• M13: 8,673,834 km (0.1 R)
• M14: 10,099,053 km (0.073 R)
• M15: 11,131,727 km (0.076 R)
• M16: 12,044,573 km (0.045 R)
• M17: 16,814,801 km (0.049 R)
• M18: 18,426,419 km (0.038 R)
• M19: 20,403,654 km (0.099 R)
• M20: 22,140,335 km (0.063 R)
• M21: 25,904,816 km (0.091 R)
• M22: 26,219,121 km (0.082 R)
• M23: 31,479,132 km (0.106 R)
• M24: 36,083,904 km (0.119 R)
• M25: 36,344,803 km (0.108 R)
• M26: 38,342,383 km (0.085 R)
• M27: 39,575,369 km (0.091 R)
• M28: 43,580,104 km (0.101 R)
• M29: 44,621,903 km (0.048 R)
• M30: 45,680,159 km (0.12 R)
• M31: 46,910,003 km (0.094 R)
• M32: 48,955,454 km (0.112 R)
• M33: 51,884,431 km (0.046 R)
• M34: 52,216,987 km (0.04 R)
• M35: 52,550,890 km (0.116 R)
• M36: 58,268,071 km (0.034 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 558

Radius: 6.5

Gravity: 13.21 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 6.86 AU - 8.88 AU

Year: 14038 Days

Day: 15.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,076,073 km

• M1: 81,082 km (0.116 R)
• M2: 599,887 km (0.101 R)
• M3: 915,090 km (0.048 R)
• M4: 1,284,896 km (0.069 R)
• M5: 1,718,281 km (0.114 R)
• M6: 2,483,624 km (0.11 R)
• M7: 2,806,007 km (0.06 R)
• M8: 3,379,715 km (0.11 R)
• M9: 7,044,265 km (0.101 R)
• M10: 8,519,150 km (0.114 R)
• M11: 9,152,996 km (0.112 R)
• M12: 9,661,479 km (0.088 R)
• M13: 14,910,270 km (0.044 R)
• M14: 19,139,252 km (0.099 R)
• M15: 24,199,849 km (0.09 R)
• M16: 27,502,671 km (0.119 R)
• M17: 27,922,443 km (0.091 R)
• M18: 32,474,107 km (0.079 R)
• M19: 41,208,977 km (0.095 R)
• M20: 43,862,993 km (0.107 R)
• M21: 44,724,378 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 79.8

Radius: 5.9

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 9.61 AU - 10.81 AU

Year: 20743 Days

Day: 18.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,076,073 km

• M1: 73,303 km (0.033 R)
• M2: 445,802 km (0.07 R)
• M3: 1,194,539 km (0.094 R)
• M4: 1,540,858 km (0.085 R)
• M5: 1,831,676 km (0.114 R)
• M6: 2,061,459 km (0.086 R)
• M7: 2,654,465 km (0.107 R)
• M8: 3,332,741 km (0.104 R)
• M9: 4,146,255 km (0.113 R)
• M10: 4,355,392 km (0.084 R)
• M11: 5,355,454 km (0.1 R)
• M12: 9,130,407 km (0.079 R)
• M13: 11,709,175 km (0.034 R)
• M14: 11,917,565 km (0.086 R)
• M15: 12,449,385 km (0.062 R)
• M16: 13,906,169 km (0.095 R)
• M17: 16,689,886 km (0.05 R)
• M18: 17,220,809 km (0.091 R)
• M19: 23,494,196 km (0.093 R)
• M20: 25,619,533 km (0.067 R)
• M21: 29,858,987 km (0.085 R)
• M22: 32,553,095 km (0.061 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 12,327 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit