🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.3

Radius: 12.9

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.51 AU - 0.55 AU

Year: 271 Days

Day: 8.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,237,455 km

• M1: 160,369 km (0.098 R)
• M2: 596,297 km (0.039 R)
• M3: 1,093,560 km (0.119 R)
• M4: 1,588,131 km (0.104 R)
• M5: 2,014,635 km (0.081 R)
• M6: 2,459,239 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.9

Radius: 8.5

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.75 AU - 0.81 AU

Year: 484 Days

Day: 5.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,237,455 km

• M1: 105,766 km (0.106 R)
• M2: 435,479 km (0.118 R)
• M3: 789,578 km (0.119 R)
• M4: 1,192,445 km (0.111 R)
• M5: 1,519,466 km (0.101 R)
• M6: 2,357,812 km (0.085 R)
• M7: 2,623,199 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.2

Radius: 10.8

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1 AU - 1.6 AU

Year: 1042 Days

Day: 12.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 117 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,237,455 km

• M1: 166,203 km (0.08 R)
• M2: 949,348 km (0.038 R)
• M3: 1,362,537 km (0.11 R)
• M4: 4,203,251 km (0.047 R)
• M5: 4,675,382 km (0.093 R)
• M6: 5,095,603 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.2

Radius: 12.5

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.07 AU - 1.69 AU

Year: 1140 Days

Day: 9.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,237,455 km

• M1: 162,164 km (0.071 R)
• M2: 746,045 km (0.034 R)
• M3: 1,379,292 km (0.045 R)
• M4: 1,805,347 km (0.071 R)
• M5: 2,467,018 km (0.118 R)
• M6: 2,906,986 km (0.09 R)
• M7: 3,516,448 km (0.038 R)
• M8: 4,260,248 km (0.114 R)
• M9: 4,861,931 km (0.08 R)
• M10: 5,828,034 km (0.049 R)
• M11: 6,368,381 km (0.088 R)
• M12: 6,918,303 km (0.094 R)
• M13: 7,326,855 km (0.107 R)
• M14: 7,828,157 km (0.025 R)
• M15: 8,595,744 km (0.063 R)
• M16: 9,529,534 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.3

Radius: 11.7

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.75 AU - 2.03 AU

Year: 1826 Days

Day: 6.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,237,455 km

• M1: 146,307 km (0.049 R)
• M2: 676,781 km (0.067 R)
• M3: 1,210,546 km (0.066 R)
• M4: 1,745,508 km (0.096 R)
• M5: 2,158,697 km (0.068 R)
• M6: 2,623,647 km (0.114 R)
• M7: 4,012,215 km (0.05 R)
• M8: 4,996,419 km (0.111 R)
• M9: 5,396,145 km (0.105 R)
• M10: 6,859,212 km (0.091 R)
• M11: 7,410,779 km (0.062 R)
• M12: 9,747,199 km (0.045 R)
• M13: 10,127,177 km (0.081 R)
• M14: 11,631,234 km (0.104 R)
• M15: 12,098,429 km (0.074 R)
• M16: 13,279,205 km (0.052 R)
• M17: 13,789,782 km (0.107 R)
• M18: 14,940,938 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.9

Radius: 13.6

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.07 AU - 4.45 AU

Year: 6180 Days

Day: 13.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,237,455 km

• M1: 169,195 km (0.106 R)
• M2: 903,422 km (0.096 R)
• M3: 1,335,161 km (0.074 R)
• M4: 2,450,862 km (0.08 R)
• M5: 3,135,123 km (0.045 R)
• M6: 3,800,235 km (0.093 R)
• M7: 5,059,699 km (0.069 R)
• M8: 5,978,230 km (0.116 R)
• M9: 8,888,956 km (0.048 R)
• M10: 9,541,502 km (0.06 R)
• M11: 10,272,736 km (0.033 R)
• M12: 14,681,236 km (0.095 R)
• M13: 17,266,437 km (0.104 R)
• M14: 19,774,894 km (0.043 R)
• M15: 20,289,510 km (0.031 R)
• M16: 21,731,634 km (0.115 R)
• M17: 24,989,427 km (0.086 R)
• M18: 27,003,313 km (0.07 R)
• M19: 29,982,256 km (0.041 R)
• M20: 31,055,022 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.5

Radius: 9.7

Gravity: 8.64 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 4.27 AU - 5.29 AU

Year: 7346 Days

Day: 9.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 66,237,455 km

• M1: 120,725 km (0.113 R)
• M2: 445,203 km (0.04 R)
• M3: 1,445,115 km (0.077 R)
• M4: 1,782,758 km (0.106 R)
• M5: 2,639,804 km (0.093 R)
• M6: 3,022,176 km (0.027 R)
• M7: 3,581,523 km (0.057 R)
• M8: 3,898,969 km (0.086 R)
• M9: 5,331,219 km (0.093 R)
• M10: 5,713,891 km (0.047 R)
• M11: 6,898,855 km (0.106 R)
• M12: 8,366,560 km (0.086 R)
• M13: 10,917,952 km (0.106 R)
• M14: 12,342,872 km (0.109 R)
• M15: 15,366,394 km (0.061 R)
• M16: 16,341,922 km (0.111 R)
• M17: 17,566,530 km (0.073 R)
• M18: 17,917,337 km (0.119 R)
• M19: 18,488,352 km (0.12 R)
• M20: 18,997,882 km (0.101 R)
• M21: 19,591,636 km (0.038 R)
• M22: 20,972,724 km (0.1 R)
• M23: 26,870,919 km (0.092 R)
• M24: 29,847,618 km (0.112 R)
• M25: 31,158,992 km (0.041 R)
• M26: 31,984,773 km (0.046 R)
• M27: 32,613,682 km (0.069 R)
• M28: 34,990,344 km (0.079 R)
• M29: 37,133,782 km (0.113 R)
• M30: 39,964,622 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 830.1

Radius: 6.5

Gravity: 19.65 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 6.86 AU - 8.36 AU

Year: 14757 Days

Day: 23 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,237,455 km

• M1: 82,279 km (0.102 R)
• M2: 299,645 km (0.099 R)
• M3: 618,138 km (0.092 R)
• M4: 950,395 km (0.087 R)
• M5: 1,177,784 km (0.093 R)
• M6: 1,383,032 km (0.117 R)
• M7: 1,796,521 km (0.087 R)
• M8: 2,090,032 km (0.119 R)
• M9: 3,710,925 km (0.112 R)
• M10: 4,410,893 km (0.052 R)
• M11: 4,640,376 km (0.109 R)
• M12: 4,843,530 km (0.064 R)
• M13: 5,754,880 km (0.118 R)
• M14: 6,905,737 km (0.082 R)
• M15: 11,886,748 km (0.064 R)
• M16: 13,876,399 km (0.103 R)
• M17: 17,261,350 km (0.093 R)
• M18: 18,501,816 km (0.11 R)
• M19: 18,756,880 km (0.097 R)
• M20: 20,882,666 km (0.092 R)
• M21: 22,098,597 km (0.046 R)
• M22: 23,559,421 km (0.088 R)
• M23: 24,262,830 km (0.086 R)
• M24: 25,500,902 km (0.111 R)
• M25: 27,990,659 km (0.105 R)
• M26: 29,236,809 km (0.071 R)
• M27: 29,467,340 km (0.088 R)
• M28: 29,698,917 km (0.12 R)
• M29: 32,328,399 km (0.089 R)
• M30: 34,463,609 km (0.112 R)
• M31: 36,557,531 km (0.113 R)
• M32: 59,716,328 km (0.062 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: 491 - 19,165 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit