🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.2

Radius: 14

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.55 AU - 0.69 AU

Year: 331 Days

Day: 10.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,463,406 km

• M1: 174,132 km (0.041 R)
• M2: 638,783 km (0.079 R)
• M3: 1,230,293 km (0.096 R)
• M4: 1,687,314 km (0.078 R)
• M5: 2,151,965 km (0.118 R)
• M6: 2,626,939 km (0.11 R)
• M7: 3,496,102 km (0.072 R)
• M8: 4,146,554 km (0.031 R)
• M9: 5,053,715 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.6

Radius: 9.3

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.72 AU - 1 AU

Year: 541 Days

Day: 5 Hours

Environment

Temp: -171 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,463,406 km

• M1: 115,639 km (0.079 R)
• M2: 785,838 km (0.103 R)
• M3: 1,089,671 km (0.084 R)
• M4: 1,468,602 km (0.074 R)
• M5: 1,916,349 km (0.059 R)
• M6: 2,324,452 km (0.081 R)
• M7: 2,702,934 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.2

Radius: 13.2

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.78 AU - 1.14 AU

Year: 638 Days

Day: 10.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,463,406 km

• M1: 164,109 km (0.084 R)
• M2: 585,526 km (0.101 R)
• M3: 1,014,423 km (0.037 R)
• M4: 1,713,943 km (0.029 R)
• M5: 2,308,445 km (0.094 R)
• M6: 2,762,025 km (0.113 R)
• M7: 3,304,617 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.1

Radius: 12.7

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.1 AU - 1.46 AU

Year: 982 Days

Day: 9.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,463,406 km

• M1: 159,621 km (0.117 R)
• M2: 577,149 km (0.089 R)
• M3: 1,110,465 km (0.054 R)
• M4: 1,533,528 km (0.092 R)
• M5: 2,865,996 km (0.117 R)
• M6: 3,345,158 km (0.076 R)
• M7: 5,606,629 km (0.073 R)
• M8: 8,124,810 km (0.095 R)
• M9: 9,201,466 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580

Radius: 10.3

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.06 AU - 1.6 AU

Year: 1040 Days

Day: 5.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,463,406 km

• M1: 128,056 km (0.079 R)
• M2: 490,531 km (0.116 R)
• M3: 825,631 km (0.114 R)
• M4: 1,388,268 km (0.074 R)
• M5: 1,885,831 km (0.111 R)
• M6: 2,431,414 km (0.076 R)
• M7: 2,936,307 km (0.099 R)
• M8: 3,310,900 km (0.12 R)
• M9: 4,140,869 km (0.074 R)
• M10: 4,613,748 km (0.025 R)
• M11: 5,160,229 km (0.07 R)
• M12: 5,976,435 km (0.062 R)
• M13: 6,404,734 km (0.067 R)
• M14: 7,347,051 km (0.079 R)
• M15: 7,965,488 km (0.065 R)
• M16: 9,505,449 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.1

Radius: 13.7

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.34 AU - 1.78 AU

Year: 1322 Days

Day: 14.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,463,406 km

• M1: 170,542 km (0.11 R)
• M2: 990,637 km (0.045 R)
• M3: 1,492,837 km (0.105 R)
• M4: 2,351,230 km (0.096 R)
• M5: 2,791,047 km (0.055 R)
• M6: 4,834,704 km (0.056 R)
• M7: 5,274,073 km (0.108 R)
• M8: 5,994,237 km (0.1 R)
• M9: 7,039,777 km (0.089 R)
• M10: 7,914,176 km (0.101 R)
• M11: 9,849,225 km (0.067 R)

Asteroid Belt

Center: 2.07 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.6

Radius: 12.8

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.46 AU - 2.68 AU

Year: 2794 Days

Day: 5.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,463,406 km

• M1: 159,172 km (0.084 R)
• M2: 598,990 km (0.088 R)
• M3: 1,075,160 km (0.11 R)
• M4: 1,603,839 km (0.115 R)
• M5: 2,462,231 km (0.054 R)
• M6: 3,011,704 km (0.115 R)
• M7: 4,710,089 km (0.101 R)
• M8: 5,586,433 km (0.077 R)
• M9: 7,059,524 km (0.093 R)
• M10: 7,545,417 km (0.11 R)
• M11: 8,331,853 km (0.11 R)
• M12: 11,327,102 km (0.116 R)
• M13: 11,795,643 km (0.11 R)
• M14: 12,399,420 km (0.114 R)
• M15: 14,930,765 km (0.116 R)
• M16: 15,447,027 km (0.092 R)
• M17: 15,926,788 km (0.063 R)
• M18: 17,067,920 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.6

Radius: 9.8

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.47 AU - 4.23 AU

Year: 5124 Days

Day: 5.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,463,406 km

• M1: 126,560 km (0.087 R)
• M2: 585,077 km (0.1 R)
• M3: 979,567 km (0.115 R)
• M4: 1,487,302 km (0.059 R)
• M5: 3,284,421 km (0.101 R)
• M6: 3,686,391 km (0.069 R)
• M7: 4,078,337 km (0.114 R)
• M8: 4,683,161 km (0.098 R)
• M9: 5,555,018 km (0.085 R)
• M10: 8,571,210 km (0.088 R)
• M11: 8,893,893 km (0.074 R)
• M12: 10,387,029 km (0.087 R)
• M13: 11,775,447 km (0.075 R)
• M14: 16,902,615 km (0.108 R)
• M15: 17,411,098 km (0.117 R)
• M16: 19,179,943 km (0.053 R)
• M17: 20,234,010 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 671.1

Radius: 5.7

Gravity: 20.66 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 8.97 AU - 10.73 AU

Year: 20967 Days

Day: 15 Hours

Environment

Temp: -226 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 64,463,406 km

• M1: 70,909 km (0.111 R)
• M2: 262,544 km (0.055 R)
• M3: 481,406 km (0.113 R)
• M4: 732,431 km (0.072 R)
• M5: 934,987 km (0.119 R)
• M6: 1,148,014 km (0.119 R)
• M7: 1,504,506 km (0.117 R)
• M8: 1,912,908 km (0.104 R)
• M9: 2,896,514 km (0.066 R)
• M10: 3,133,327 km (0.088 R)
• M11: 3,736,506 km (0.101 R)
• M12: 4,114,390 km (0.033 R)
• M13: 5,208,699 km (0.032 R)
• M14: 6,222,673 km (0.087 R)
• M15: 6,663,089 km (0.092 R)
• M16: 7,266,268 km (0.06 R)
• M17: 7,458,950 km (0.076 R)
• M18: 8,108,953 km (0.118 R)
• M19: 8,850,509 km (0.119 R)
• M20: 9,521,306 km (0.044 R)
• M21: 9,752,285 km (0.041 R)
• M22: 10,046,245 km (0.09 R)
• M23: 13,176,281 km (0.095 R)
• M24: 17,325,378 km (0.082 R)
• M25: 18,018,914 km (0.08 R)
• M26: 19,368,885 km (0.118 R)
• M27: 23,927,731 km (0.082 R)
• M28: 27,141,691 km (0.048 R)
• M29: 29,274,807 km (0.045 R)
• M30: 34,409,904 km (0.099 R)
• M31: 35,504,362 km (0.073 R)
• M32: 37,331,849 km (0.105 R)
• M33: 42,250,927 km (0.098 R)
• M34: 44,141,694 km (0.052 R)
• M35: 58,980,905 km (0.12 R)
• M36: 74,081,614 km (0.212 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 330.5

Radius: 3.2

Gravity: 32.28 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 8.13 AU - 12.49 AU

Year: 22453 Days

Day: 17.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 64,463,406 km

• M1: 39,793 km (0.1 R)
• M2: 240,254 km (0.072 R)
• M3: 517,459 km (0.104 R)
• M4: 707,299 km (0.117 R)
• M5: 1,146,219 km (0.093 R)
• M6: 2,922,095 km (0.045 R)
• M7: 3,831,949 km (0.065 R)
• M8: 5,490,391 km (0.084 R)
• M9: 5,640,737 km (0.101 R)
• M10: 5,793,776 km (0.072 R)
• M11: 6,108,231 km (0.063 R)
• M12: 6,392,616 km (0.042 R)
• M13: 7,299,030 km (0.115 R)
• M14: 7,435,014 km (0.047 R)
• M15: 8,336,790 km (0.074 R)
• M16: 9,685,415 km (0.075 R)
• M17: 11,053,188 km (0.099 R)
• M18: 13,271,126 km (0.091 R)
• M19: 14,094,962 km (0.099 R)
• M20: 14,448,013 km (0.114 R)
• M21: 16,691,682 km (0.101 R)
• M22: 18,645,579 km (0.117 R)
• M23: 20,928,742 km (0.066 R)
• M24: 21,295,706 km (0.07 R)
• M25: 21,573,808 km (0.119 R)
• M26: 21,948,252 km (0.109 R)
• M27: 22,903,434 km (0.039 R)
• M28: 25,308,220 km (0.106 R)
• M29: 25,724,700 km (0.115 R)
• M30: 29,566,074 km (0.071 R)
• M31: 29,681,115 km (0.077 R)
• M32: 32,654,971 km (0.095 R)
• M33: 36,876,324 km (0.062 R)
• M34: 38,360,484 km (0.106 R)
• M35: 43,942,729 km (0.045 R)
• M36: 48,747,813 km (0.115 R)
• M37: 50,205,644 km (0.04 R)
• M38: 50,862,827 km (0.051 R)
• M39: 52,194,398 km (0.06 R)
• M40: 56,328,236 km (0.119 R)
• M41: 60,489,301 km (0.04 R)
• M42: 61,046,702 km (0.11 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 383 - 19,184 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit