🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.5

Radius: 12

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.95 AU - 1.23 AU

Year: 747 Days

Day: 6.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,186,959 km

• M1: 152,889 km (0.066 R)
• M2: 571,464 km (0.12 R)
• M3: 1,061,846 km (0.1 R)
• M4: 1,574,368 km (0.091 R)
• M5: 2,130,872 km (0.114 R)
• M6: 2,511,599 km (0.098 R)
• M7: 2,927,032 km (0.088 R)
• M8: 3,302,223 km (0.082 R)
• M9: 4,596,095 km (0.084 R)
• M10: 4,991,483 km (0.096 R)
• M11: 5,392,405 km (0.12 R)
• M12: 5,796,917 km (0.109 R)
• M13: 6,549,096 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.5

Radius: 14

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.66 AU - 1.84 AU

Year: 1519 Days

Day: 10.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,186,959 km

• M1: 207,791 km (0.119 R)
• M2: 666,010 km (0.11 R)
• M3: 1,154,447 km (0.064 R)
• M4: 1,798,615 km (0.085 R)
• M5: 2,295,131 km (0.102 R)
• M6: 2,772,049 km (0.058 R)
• M7: 3,207,378 km (0.044 R)
• M8: 4,000,995 km (0.113 R)
• M9: 4,444,852 km (0.112 R)
• M10: 5,237,421 km (0.083 R)
• M11: 5,770,887 km (0.046 R)
• M12: 7,648,341 km (0.09 R)
• M13: 9,674,195 km (0.09 R)
• M14: 10,723,923 km (0.115 R)
• M15: 11,773,352 km (0.103 R)
• M16: 12,810,814 km (0.055 R)
• M17: 13,659,333 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.7

Radius: 10.2

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.85 AU - 2.05 AU

Year: 1786 Days

Day: 14.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,186,959 km

• M1: 126,859 km (0.085 R)
• M2: 585,975 km (0.067 R)
• M3: 2,070,584 km (0.063 R)
• M4: 2,833,384 km (0.118 R)
• M5: 3,653,778 km (0.113 R)
• M6: 4,829,318 km (0.079 R)
• M7: 5,154,993 km (0.066 R)
• M8: 5,635,651 km (0.093 R)
• M9: 6,297,472 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.4

Radius: 10.5

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.96 AU - 2.78 AU

Year: 2393 Days

Day: 5.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 139.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,186,959 km

• M1: 130,599 km (0.066 R)
• M2: 476,768 km (0.094 R)
• M3: 959,970 km (0.092 R)
• M4: 1,311,525 km (0.12 R)
• M5: 3,245,376 km (0.086 R)
• M6: 4,058,889 km (0.089 R)
• M7: 4,392,044 km (0.109 R)
• M8: 4,828,870 km (0.1 R)
• M9: 5,456,582 km (0.036 R)
• M10: 6,239,578 km (0.08 R)
• M11: 9,889,616 km (0.031 R)
• M12: 10,642,841 km (0.105 R)
• M13: 11,942,697 km (0.076 R)
• M14: 12,344,517 km (0.096 R)
• M15: 12,921,965 km (0.031 R)
• M16: 13,778,263 km (0.09 R)
• M17: 16,230,471 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.9

Radius: 8.2

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.17 AU - 2.97 AU

Year: 2703 Days

Day: 10.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,186,959 km

• M1: 102,624 km (0.07 R)
• M2: 695,481 km (0.091 R)
• M3: 1,212,042 km (0.101 R)
• M4: 1,547,141 km (0.066 R)
• M5: 2,028,697 km (0.083 R)
• M6: 2,568,595 km (0.111 R)
• M7: 2,886,491 km (0.069 R)
• M8: 3,171,325 km (0.078 R)
• M9: 6,062,454 km (0.111 R)
• M10: 6,412,513 km (0.08 R)
• M11: 6,677,899 km (0.09 R)
• M12: 7,895,028 km (0.056 R)
• M13: 9,687,061 km (0.073 R)
• M14: 10,101,447 km (0.09 R)
• M15: 11,450,969 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.7

Radius: 12.8

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.32 AU - 3.08 AU

Year: 2910 Days

Day: 7.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,186,959 km

• M1: 159,172 km (0.08 R)
• M2: 604,375 km (0.115 R)
• M3: 1,117,047 km (0.076 R)
• M4: 1,519,017 km (0.119 R)
• M5: 2,007,753 km (0.075 R)
• M6: 2,410,321 km (0.066 R)
• M7: 3,100,416 km (0.075 R)
• M8: 3,567,909 km (0.12 R)
• M9: 4,829,767 km (0.086 R)
• M10: 5,436,237 km (0.037 R)
• M11: 6,286,103 km (0.113 R)
• M12: 6,980,237 km (0.093 R)
• M13: 8,183,153 km (0.066 R)
• M14: 9,631,410 km (0.115 R)
• M15: 10,714,349 km (0.119 R)
• M16: 11,161,497 km (0.098 R)
• M17: 13,446,305 km (0.058 R)
• M18: 15,404,691 km (0.1 R)
• M19: 18,054,518 km (0.119 R)
• M20: 18,923,083 km (0.119 R)
• M21: 19,940,798 km (0.105 R)
• M22: 20,806,221 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.3

Radius: 13.3

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.89 AU - 3.81 AU

Year: 4022 Days

Day: 10 Hours

Environment

Temp: -212 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,186,959 km

• M1: 165,455 km (0.109 R)
• M2: 614,997 km (0.095 R)
• M3: 1,094,458 km (0.097 R)
• M4: 1,531,433 km (0.108 R)
• M5: 2,246,511 km (0.085 R)
• M6: 3,081,866 km (0.06 R)
• M7: 4,047,221 km (0.062 R)
• M8: 4,515,313 km (0.098 R)
• M9: 6,892,572 km (0.076 R)
• M10: 8,651,843 km (0.071 R)
• M11: 9,595,507 km (0.091 R)
• M12: 10,092,471 km (0.087 R)
• M13: 10,650,172 km (0.072 R)
• M14: 12,016,150 km (0.115 R)
• M15: 15,484,277 km (0.099 R)
• M16: 16,227,180 km (0.079 R)
• M17: 21,896,940 km (0.072 R)
• M18: 22,470,049 km (0.09 R)
• M19: 24,249,516 km (0.103 R)
• M20: 25,095,940 km (0.108 R)
• M21: 26,281,653 km (0.053 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768

Radius: 13.5

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.67 AU - 4.39 AU

Year: 4351 Days

Day: 14.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,186,959 km

• M1: 167,849 km (0.073 R)
• M2: 639,232 km (0.087 R)
• M3: 1,335,011 km (0.085 R)
• M4: 1,853,966 km (0.071 R)
• M5: 2,605,696 km (0.077 R)
• M6: 3,678,312 km (0.061 R)
• M7: 4,399,524 km (0.061 R)
• M8: 5,858,402 km (0.034 R)
• M9: 6,307,345 km (0.052 R)
• M10: 7,309,053 km (0.075 R)
• M11: 7,866,155 km (0.053 R)
• M12: 8,339,632 km (0.09 R)
• M13: 9,303,791 km (0.088 R)
• M14: 10,043,103 km (0.112 R)
• M15: 11,044,362 km (0.063 R)
• M16: 12,351,997 km (0.071 R)
• M17: 13,043,438 km (0.109 R)
• M18: 18,373,311 km (0.074 R)
• M19: 20,888,799 km (0.117 R)
• M20: 24,078,824 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 318.2

Radius: 5.8

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 6.72 AU - 9.72 AU

Year: 15460 Days

Day: 21 Hours

Environment

Temp: -217 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,186,959 km

• M1: 76,295 km (0.08 R)
• M2: 557,850 km (0.111 R)
• M3: 855,849 km (0.099 R)
• M4: 1,036,863 km (0.074 R)
• M5: 1,331,571 km (0.118 R)
• M6: 1,606,532 km (0.117 R)
• M7: 2,623,498 km (0.11 R)
• M8: 4,012,664 km (0.089 R)
• M9: 9,202,513 km (0.082 R)
• M10: 11,432,868 km (0.075 R)
• M11: 13,309,723 km (0.118 R)
• M12: 14,911,916 km (0.088 R)
• M13: 16,212,520 km (0.039 R)
• M14: 19,912,673 km (0.095 R)
• M15: 20,565,818 km (0.098 R)
• M16: 25,352,950 km (0.095 R)
• M17: 27,399,149 km (0.092 R)
• M18: 28,308,854 km (0.098 R)
• M19: 28,926,394 km (0.032 R)
• M20: 30,616,999 km (0.069 R)
• M21: 32,821,623 km (0.082 R)
• M22: 37,420,711 km (0.047 R)
• M23: 38,917,736 km (0.032 R)
• M24: 43,648,021 km (0.064 R)
• M25: 44,471,857 km (0.081 R)
• M26: 46,150,794 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 426.4

Radius: 3.5

Gravity: 34.81 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 6.38 AU - 10.2 AU

Year: 15658 Days

Day: 20.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,186,959 km

• M1: 44,431 km (0.106 R)
• M2: 225,893 km (0.065 R)
• M3: 427,700 km (0.051 R)
• M4: 1,001,558 km (0.073 R)
• M5: 1,402,330 km (0.119 R)
• M6: 1,989,352 km (0.116 R)
• M7: 2,367,536 km (0.041 R)
• M8: 2,552,588 km (0.102 R)
• M9: 3,625,953 km (0.072 R)
• M10: 4,968,594 km (0.055 R)
• M11: 6,531,144 km (0.089 R)
• M12: 9,419,580 km (0.116 R)
• M13: 10,581,656 km (0.098 R)
• M14: 11,254,098 km (0.091 R)
• M15: 13,766,445 km (0.092 R)
• M16: 18,395,901 km (0.046 R)
• M17: 18,715,591 km (0.093 R)
• M18: 20,711,526 km (0.114 R)
• M19: 25,711,984 km (0.111 R)
• M20: 32,727,227 km (0.1 R)
• M21: 39,180,580 km (0.1 R)
• M22: 42,425,358 km (0.085 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: 487 - 19,082 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit