🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653

Radius: 9

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.92 AU - 1.24 AU

Year: 761 Days

Day: 9.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,091,137 km

• M1: 111,899 km (0.115 R)
• M2: 467,344 km (0.099 R)
• M3: 819,348 km (0.092 R)
• M4: 2,212,702 km (0.087 R)
• M5: 2,626,789 km (0.072 R)
• M6: 4,722,206 km (0.076 R)
• M7: 5,448,953 km (0.097 R)
• M8: 7,303,518 km (0.098 R)
• M9: 7,625,901 km (0.118 R)
• M10: 8,323,775 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.4

Radius: 12.2

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.95 AU - 1.47 AU

Year: 903 Days

Day: 5.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,091,137 km

• M1: 151,991 km (0.118 R)
• M2: 576,999 km (0.116 R)
• M3: 981,063 km (0.073 R)
• M4: 1,393,654 km (0.084 R)
• M5: 1,924,128 km (0.029 R)
• M6: 2,619,309 km (0.072 R)
• M7: 3,044,167 km (0.076 R)
• M8: 3,593,640 km (0.048 R)
• M9: 4,005,782 km (0.073 R)
• M10: 4,779,502 km (0.12 R)
• M11: 5,833,120 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.9

Radius: 9.9

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.69 AU - 3.11 AU

Year: 3350 Days

Day: 5.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,091,137 km

• M1: 123,119 km (0.041 R)
• M2: 512,373 km (0.03 R)
• M3: 856,448 km (0.059 R)
• M4: 1,397,992 km (0.094 R)
• M5: 1,965,866 km (0.115 R)
• M6: 2,560,966 km (0.06 R)
• M7: 3,049,403 km (0.078 R)
• M8: 6,342,501 km (0.052 R)
• M9: 6,737,589 km (0.027 R)
• M10: 7,608,398 km (0.099 R)
• M11: 10,018,121 km (0.107 R)
• M12: 11,811,949 km (0.099 R)
• M13: 13,211,437 km (0.106 R)
• M14: 15,665,590 km (0.109 R)
• M15: 18,465,613 km (0.071 R)
• M16: 19,331,635 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.9

Radius: 11

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.22 AU - 4.84 AU

Year: 5487 Days

Day: 9.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 75,091,137 km

• M1: 136,882 km (0.086 R)
• M2: 504,444 km (0.073 R)
• M3: 930,050 km (0.075 R)
• M4: 1,272,928 km (0.05 R)
• M5: 1,729,052 km (0.06 R)
• M6: 2,196,845 km (0.12 R)
• M7: 2,566,501 km (0.101 R)
• M8: 3,017,539 km (0.108 R)
• M9: 3,678,312 km (0.115 R)
• M10: 4,031,363 km (0.065 R)
• M11: 4,459,064 km (0.096 R)
• M12: 6,382,144 km (0.076 R)
• M13: 7,000,432 km (0.099 R)
• M14: 8,887,609 km (0.116 R)
• M15: 9,527,739 km (0.101 R)
• M16: 10,804,557 km (0.102 R)
• M17: 15,927,984 km (0.091 R)
• M18: 16,553,752 km (0.03 R)
• M19: 18,055,117 km (0.062 R)
• M20: 21,102,575 km (0.112 R)
• M21: 22,708,807 km (0.092 R)
• M22: 26,077,003 km (0.098 R)
• M23: 27,924,986 km (0.037 R)
• M24: 28,286,713 km (0.109 R)
• M25: 30,237,021 km (0.106 R)
• M26: 31,586,094 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.6

Radius: 13.7

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.34 AU - 5 AU

Year: 5776 Days

Day: 5.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,091,137 km

• M1: 170,392 km (0.086 R)
• M2: 1,121,236 km (0.067 R)
• M3: 1,699,881 km (0.04 R)
• M4: 2,137,006 km (0.049 R)
• M5: 2,902,647 km (0.116 R)
• M6: 3,379,565 km (0.063 R)
• M7: 5,839,254 km (0.042 R)
• M8: 8,304,477 km (0.045 R)
• M9: 9,949,904 km (0.081 R)
• M10: 11,397,563 km (0.094 R)
• M11: 12,406,451 km (0.105 R)
• M12: 14,081,797 km (0.091 R)
• M13: 16,354,039 km (0.094 R)
• M14: 17,045,929 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.7

Radius: 9.6

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.23 AU - 4.61 AU

Year: 6303 Days

Day: 10.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,091,137 km

• M1: 119,379 km (0.105 R)
• M2: 801,994 km (0.085 R)
• M3: 1,201,720 km (0.106 R)
• M4: 1,540,409 km (0.105 R)
• M5: 2,088,087 km (0.119 R)
• M6: 3,834,044 km (0.03 R)
• M7: 4,284,483 km (0.059 R)
• M8: 5,063,589 km (0.11 R)
• M9: 5,990,048 km (0.099 R)
• M10: 7,182,792 km (0.079 R)
• M11: 7,504,278 km (0.08 R)
• M12: 7,936,616 km (0.116 R)
• M13: 9,410,005 km (0.089 R)
• M14: 10,973,303 km (0.108 R)
• M15: 11,794,595 km (0.068 R)
• M16: 13,031,471 km (0.104 R)
• M17: 13,365,822 km (0.115 R)
• M18: 14,606,886 km (0.085 R)
• M19: 16,140,862 km (0.107 R)
• M20: 16,918,622 km (0.102 R)
• M21: 17,721,214 km (0.115 R)
• M22: 18,972,301 km (0.083 R)
• M23: 22,051,624 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 104.2

Radius: 6.7

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 7.65 AU - 9.61 AU

Year: 17195 Days

Day: 18.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,091,137 km

• M1: 83,625 km (0.078 R)
• M2: 986,299 km (0.1 R)
• M3: 1,329,626 km (0.104 R)
• M4: 2,358,710 km (0.037 R)
• M5: 3,467,080 km (0.081 R)
• M6: 4,943,910 km (0.103 R)
• M7: 8,689,991 km (0.091 R)
• M8: 17,338,393 km (0.092 R)
• M9: 21,723,705 km (0.034 R)
• M10: 24,462,543 km (0.083 R)
• M11: 35,100,896 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 657.3

Radius: 3.7

Gravity: 48.01 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 8.46 AU - 10.64 AU

Year: 20017 Days

Day: 15.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 75,091,137 km

• M1: 46,076 km (0.089 R)
• M2: 166,203 km (0.097 R)
• M3: 289,322 km (0.116 R)
• M4: 711,637 km (0.028 R)
• M5: 912,248 km (0.099 R)
• M6: 1,083,388 km (0.037 R)
• M7: 1,606,681 km (0.036 R)
• M8: 1,895,255 km (0.088 R)
• M9: 2,092,575 km (0.12 R)
• M10: 5,847,631 km (0.051 R)
• M11: 6,748,659 km (0.029 R)
• M12: 7,591,344 km (0.113 R)
• M13: 7,887,249 km (0.079 R)
• M14: 10,059,559 km (0.081 R)
• M15: 10,236,833 km (0.088 R)
• M16: 11,666,988 km (0.076 R)
• M17: 18,721,575 km (0.087 R)
• M18: 25,456,920 km (0.115 R)
• M19: 27,362,049 km (0.105 R)
• M20: 28,408,037 km (0.046 R)
• M21: 29,239,801 km (0.11 R)
• M22: 36,626,196 km (0.106 R)
• M23: 39,486,508 km (0.035 R)
• M24: 44,525,562 km (0.116 R)
• M25: 53,667,039 km (0.103 R)
• M26: 53,847,155 km (0.097 R)
• M27: 59,056,303 km (0.119 R)
• M28: 61,387,935 km (0.086 R)
• M29: 70,461,943 km (0.076 R)
• M30: 71,328,564 km (0.052 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 205 - 11,346 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit