🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.9

Radius: 10.6

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.87 AU - 3.31 AU

Year: 2442 Days

Day: 11.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 86,255,303 km

• M1: 131,796 km (0.051 R)
• M2: 554,410 km (0.068 R)
• M3: 1,208,900 km (0.028 R)
• M4: 1,871,170 km (0.089 R)
• M5: 2,232,599 km (0.111 R)
• M6: 2,693,659 km (0.116 R)
• M7: 3,026,365 km (0.075 R)
• M8: 3,417,713 km (0.053 R)
• M9: 4,122,169 km (0.1 R)
• M10: 5,271,829 km (0.044 R)
• M11: 5,773,879 km (0.117 R)
• M12: 6,259,773 km (0.092 R)
• M13: 6,975,749 km (0.088 R)
• M14: 8,898,530 km (0.084 R)
• M15: 9,707,256 km (0.096 R)
• M16: 10,872,474 km (0.112 R)
• M17: 11,292,694 km (0.039 R)
• M18: 11,687,334 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.4

Radius: 11.9

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 3.16 AU - 3.2 AU

Year: 2550 Days

Day: 14.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,255,303 km

• M1: 148,551 km (0.105 R)
• M2: 552,166 km (0.046 R)
• M3: 1,375,403 km (0.11 R)
• M4: 2,490,505 km (0.041 R)
• M5: 3,170,428 km (0.09 R)
• M6: 5,017,961 km (0.059 R)
• M7: 6,024,306 km (0.098 R)
• M8: 8,502,096 km (0.063 R)
• M9: 8,914,687 km (0.039 R)
• M10: 11,100,461 km (0.12 R)
• M11: 11,677,460 km (0.08 R)
• M12: 13,071,862 km (0.103 R)
• M13: 13,529,482 km (0.107 R)
• M14: 13,903,327 km (0.106 R)
• M15: 15,672,023 km (0.048 R)
• M16: 16,557,343 km (0.114 R)
• M17: 17,586,127 km (0.079 R)
• M18: 18,484,911 km (0.117 R)
• M19: 19,651,326 km (0.034 R)
• M20: 20,680,858 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.9

Radius: 8.3

Gravity: 8.75 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.93 AU - 5.31 AU

Year: 4465 Days

Day: 7.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 86,255,303 km

• M1: 106,065 km (0.115 R)
• M2: 387,907 km (0.095 R)
• M3: 683,662 km (0.103 R)
• M4: 1,239,418 km (0.113 R)
• M5: 1,738,178 km (0.087 R)
• M6: 2,349,285 km (0.07 R)
• M7: 3,566,264 km (0.097 R)
• M8: 4,335,645 km (0.078 R)
• M9: 5,934,847 km (0.116 R)
• M10: 6,351,178 km (0.097 R)
• M11: 6,723,527 km (0.117 R)
• M12: 7,753,059 km (0.083 R)
• M13: 8,251,071 km (0.113 R)
• M14: 8,694,778 km (0.082 R)
• M15: 10,416,350 km (0.095 R)
• M16: 10,716,743 km (0.065 R)
• M17: 11,929,981 km (0.106 R)
• M18: 12,984,198 km (0.083 R)
• M19: 13,533,970 km (0.102 R)
• M20: 14,895,310 km (0.098 R)
• M21: 15,553,391 km (0.037 R)
• M22: 16,059,631 km (0.084 R)
• M23: 16,810,163 km (0.072 R)
• M24: 17,765,794 km (0.112 R)
• M25: 20,445,990 km (0.115 R)
• M26: 21,465,200 km (0.066 R)
• M27: 22,092,763 km (0.12 R)
• M28: 24,650,139 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.6

Radius: 10.3

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 8.6 AU - 9.08 AU

Year: 11817 Days

Day: 6.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 86,255,303 km

• M1: 128,205 km (0.071 R)
• M2: 477,367 km (0.06 R)
• M3: 924,964 km (0.116 R)
• M4: 1,283,251 km (0.075 R)
• M5: 1,606,083 km (0.053 R)
• M6: 2,117,408 km (0.077 R)
• M7: 3,420,256 km (0.054 R)
• M8: 4,614,795 km (0.087 R)
• M9: 5,997,528 km (0.091 R)
• M10: 6,765,414 km (0.071 R)
• M11: 7,113,977 km (0.094 R)
• M12: 7,974,464 km (0.119 R)
• M13: 8,363,718 km (0.064 R)
• M14: 9,416,887 km (0.114 R)
• M15: 12,928,846 km (0.083 R)
• M16: 16,874,789 km (0.104 R)
• M17: 18,625,982 km (0.067 R)
• M18: 23,705,578 km (0.092 R)
• M19: 29,331,505 km (0.04 R)
• M20: 43,131,609 km (0.086 R)
• M21: 43,930,462 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 591

Radius: 6.2

Gravity: 15.37 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 12.27 AU - 17.63 AU

Year: 25988 Days

Day: 15 Hours

Environment

Temp: -214 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 86,255,303 km

• M1: 77,940 km (0.099 R)
• M2: 289,173 km (0.067 R)
• M3: 555,008 km (0.107 R)
• M4: 898,186 km (0.106 R)
• M5: 1,098,497 km (0.086 R)
• M6: 1,506,002 km (0.106 R)
• M7: 1,699,133 km (0.082 R)
• M8: 2,954,259 km (0.114 R)
• M9: 3,174,018 km (0.109 R)
• M10: 3,615,930 km (0.038 R)
• M11: 3,965,241 km (0.114 R)
• M12: 6,016,527 km (0.108 R)
• M13: 8,630,600 km (0.093 R)
• M14: 10,092,172 km (0.104 R)
• M15: 10,720,632 km (0.063 R)
• M16: 14,027,493 km (0.075 R)
• M17: 15,292,642 km (0.113 R)
• M18: 18,047,637 km (0.115 R)
• M19: 18,598,606 km (0.092 R)
• M20: 22,987,358 km (0.119 R)
• M21: 25,764,942 km (0.054 R)
• M22: 26,229,144 km (0.078 R)
• M23: 26,817,213 km (0.098 R)
• M24: 27,534,535 km (0.064 R)
• M25: 27,776,435 km (0.086 R)
• M26: 35,425,075 km (0.097 R)
• M27: 36,143,444 km (0.072 R)
• M28: 39,114,458 km (0.096 R)
• M29: 41,605,561 km (0.032 R)
• M30: 46,557,550 km (0.076 R)
• M31: 49,709,727 km (0.081 R)
• M32: 50,610,007 km (0.032 R)
• M33: 62,067,109 km (0.097 R)
• M34: 66,528,716 km (0.113 R)
• M35: 66,746,381 km (0.098 R)
• M36: 68,283,050 km (0.067 R)
• M37: 78,973,165 km (0.093 R)
• M38: 81,934,455 km (0.1 R)
• M39: 85,482,018 km (0.09 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 383 - 17,033 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit