🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.4

Radius: 10.2

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.65 AU - 0.81 AU

Year: 416 Days

Day: 7.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,667,651 km

• M1: 126,859 km (0.119 R)
• M2: 499,657 km (0.107 R)
• M3: 838,795 km (0.1 R)
• M4: 1,212,790 km (0.118 R)
• M5: 1,574,218 km (0.081 R)
• M6: 2,038,570 km (0.027 R)
• M7: 2,485,120 km (0.119 R)
• M8: 2,857,319 km (0.069 R)
• M9: 3,845,712 km (0.105 R)
• M10: 4,572,309 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.4

Radius: 14.3

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.8 AU - 0.9 AU

Year: 523 Days

Day: 13.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,667,651 km

• M1: 178,769 km (0.099 R)
• M2: 650,152 km (0.06 R)
• M3: 1,119,441 km (0.025 R)
• M4: 1,795,324 km (0.117 R)
• M5: 2,671,668 km (0.119 R)
• M6: 3,349,496 km (0.061 R)
• M7: 4,111,548 km (0.027 R)
• M8: 4,905,314 km (0.108 R)
• M9: 5,408,412 km (0.116 R)
• M10: 6,285,654 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.4

Radius: 10.6

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.78 AU - 1.16 AU

Year: 637 Days

Day: 7.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,667,651 km

• M1: 131,796 km (0.04 R)
• M2: 606,919 km (0.074 R)
• M3: 1,027,438 km (0.076 R)
• M4: 1,468,602 km (0.069 R)
• M5: 1,909,318 km (0.098 R)
• M6: 2,458,641 km (0.063 R)
• M7: 2,823,061 km (0.081 R)
• M8: 3,607,104 km (0.084 R)
• M9: 4,050,512 km (0.091 R)
• M10: 4,514,116 km (0.078 R)
• M11: 4,859,537 km (0.077 R)
• M12: 5,347,525 km (0.114 R)
• M13: 5,791,831 km (0.077 R)
• M14: 6,220,429 km (0.109 R)
• M15: 6,881,951 km (0.099 R)
• M16: 7,475,854 km (0.103 R)
• M17: 8,055,995 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.7

Radius: 14.3

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.17 AU - 1.21 AU

Year: 866 Days

Day: 12.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,667,651 km

• M1: 177,872 km (0.102 R)
• M2: 715,527 km (0.103 R)
• M3: 1,179,280 km (0.085 R)
• M4: 1,730,548 km (0.055 R)
• M5: 2,875,869 km (0.098 R)
• M6: 3,471,867 km (0.065 R)
• M7: 4,843,530 km (0.101 R)
• M8: 5,833,419 km (0.092 R)
• M9: 6,773,044 km (0.117 R)
• M10: 8,317,342 km (0.106 R)
• M11: 8,980,659 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.5

Radius: 10.6

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.68 AU - 2.26 AU

Year: 1844 Days

Day: 13.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 41,667,651 km

• M1: 132,095 km (0.117 R)
• M2: 477,217 km (0.097 R)
• M3: 971,040 km (0.117 R)
• M4: 1,398,740 km (0.088 R)
• M5: 1,917,246 km (0.112 R)
• M6: 2,491,702 km (0.101 R)
• M7: 2,987,619 km (0.114 R)
• M8: 3,601,270 km (0.041 R)
• M9: 4,042,882 km (0.118 R)
• M10: 4,946,902 km (0.064 R)
• M11: 5,447,008 km (0.102 R)
• M12: 5,782,556 km (0.099 R)
• M13: 7,068,051 km (0.073 R)
• M14: 8,502,993 km (0.042 R)
• M15: 10,669,769 km (0.107 R)
• M16: 11,044,661 km (0.081 R)
• M17: 12,345,115 km (0.097 R)
• M18: 14,873,768 km (0.116 R)
• M19: 15,389,582 km (0.109 R)
• M20: 15,820,424 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.5

Radius: 12.8

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.07 AU - 2.67 AU

Year: 2433 Days

Day: 14.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,667,651 km

• M1: 159,322 km (0.031 R)
• M2: 729,140 km (0.084 R)
• M3: 1,150,408 km (0.116 R)
• M4: 1,689,558 km (0.027 R)
• M5: 2,137,006 km (0.083 R)
• M6: 3,224,133 km (0.102 R)
• M7: 3,669,187 km (0.103 R)
• M8: 4,431,239 km (0.061 R)
• M9: 4,948,099 km (0.081 R)
• M10: 7,384,749 km (0.084 R)
• M11: 8,139,321 km (0.085 R)
• M12: 9,325,183 km (0.11 R)

Asteroid Belt

Center: 2.98 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.7

Radius: 12

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.99 AU - 4.17 AU

Year: 4517 Days

Day: 11.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,667,651 km

• M1: 149,448 km (0.108 R)
• M2: 560,244 km (0.101 R)
• M3: 1,166,564 km (0.062 R)
• M4: 1,624,184 km (0.076 R)
• M5: 1,999,376 km (0.092 R)
• M6: 2,862,555 km (0.118 R)
• M7: 3,437,161 km (0.101 R)
• M8: 6,161,787 km (0.072 R)
• M9: 6,967,222 km (0.092 R)
• M10: 7,841,322 km (0.081 R)
• M11: 8,428,344 km (0.086 R)
• M12: 9,007,437 km (0.113 R)
• M13: 10,448,663 km (0.048 R)
• M14: 12,448,338 km (0.071 R)
• M15: 14,283,006 km (0.058 R)
• M16: 16,017,294 km (0.077 R)
• M17: 16,850,405 km (0.088 R)
• M18: 17,479,464 km (0.103 R)
• M19: 18,005,749 km (0.092 R)
• M20: 18,422,379 km (0.12 R)
• M21: 21,588,319 km (0.097 R)
• M22: 22,881,144 km (0.032 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.7

Radius: 14.3

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 4.01 AU - 5.75 AU

Year: 7189 Days

Day: 12 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,667,651 km

• M1: 177,872 km (0.066 R)
• M2: 669,600 km (0.057 R)
• M3: 1,221,467 km (0.066 R)
• M4: 1,709,904 km (0.03 R)
• M5: 2,436,501 km (0.117 R)
• M6: 3,079,472 km (0.105 R)
• M7: 3,983,791 km (0.105 R)
• M8: 4,766,338 km (0.104 R)
• M9: 5,844,938 km (0.098 R)
• M10: 8,147,998 km (0.094 R)
• M11: 9,320,097 km (0.069 R)
• M12: 11,003,223 km (0.052 R)
• M13: 11,997,899 km (0.108 R)
• M14: 13,281,149 km (0.079 R)
• M15: 14,777,876 km (0.115 R)
• M16: 15,279,927 km (0.053 R)
• M17: 16,251,864 km (0.057 R)
• M18: 19,045,604 km (0.056 R)
• M19: 20,478,901 km (0.091 R)
• M20: 26,019,109 km (0.091 R)
• M21: 27,782,569 km (0.093 R)
• M22: 36,088,242 km (0.119 R)
• M23: 38,514,869 km (0.082 R)
• M24: 39,587,486 km (0.09 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 362 - 11,684 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit