🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.7

Radius: 14.2

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.76 AU - 0.98 AU

Year: 532 Days

Day: 11.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 82,055,142 km

• M1: 176,525 km (0.107 R)
• M2: 802,293 km (0.105 R)
• M3: 1,882,540 km (0.085 R)
• M4: 2,631,875 km (0.051 R)
• M5: 3,330,797 km (0.099 R)
• M6: 4,151,042 km (0.09 R)
• M7: 4,867,167 km (0.065 R)
• M8: 5,872,764 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.7

Radius: 14.7

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.87 AU - 1.19 AU

Year: 686 Days

Day: 11.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 82,055,142 km

• M1: 183,407 km (0.06 R)
• M2: 676,781 km (0.07 R)
• M3: 1,136,495 km (0.109 R)
• M4: 2,002,816 km (0.07 R)
• M5: 2,687,825 km (0.112 R)
• M6: 3,457,656 km (0.113 R)
• M7: 4,686,004 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.8

Radius: 10.3

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.56 AU - 3.2 AU

Year: 3206 Days

Day: 11.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 82,055,142 km

• M1: 129,701 km (0.092 R)
• M2: 512,373 km (0.11 R)
• M3: 1,074,711 km (0.074 R)
• M4: 1,558,361 km (0.093 R)
• M5: 2,240,527 km (0.035 R)
• M6: 3,039,530 km (0.118 R)
• M7: 3,564,319 km (0.045 R)
• M8: 3,954,171 km (0.089 R)
• M9: 5,429,206 km (0.082 R)
• M10: 6,557,623 km (0.032 R)
• M11: 7,018,982 km (0.04 R)
• M12: 8,320,334 km (0.049 R)
• M13: 11,926,989 km (0.11 R)
• M14: 12,662,413 km (0.103 R)
• M15: 13,971,394 km (0.087 R)
• M16: 14,788,498 km (0.115 R)
• M17: 17,084,974 km (0.086 R)
• M18: 18,258,121 km (0.101 R)
• M19: 20,374,332 km (0.106 R)
• M20: 20,829,559 km (0.055 R)
• M21: 21,895,444 km (0.069 R)
• M22: 22,857,657 km (0.041 R)
• M23: 23,419,995 km (0.056 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239.4

Radius: 4.7

Gravity: 10.84 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 7.62 AU - 10.14 AU

Year: 17359 Days

Day: 18.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 82,055,142 km

• M1: 58,493 km (0.089 R)
• M2: 866,172 km (0.099 R)
• M3: 1,082,490 km (0.119 R)
• M4: 1,761,665 km (0.113 R)
• M5: 2,407,628 km (0.113 R)
• M6: 2,925,686 km (0.087 R)
• M7: 3,083,212 km (0.118 R)
• M8: 4,408,948 km (0.096 R)
• M9: 4,861,632 km (0.11 R)
• M10: 5,213,037 km (0.093 R)
• M11: 6,672,963 km (0.063 R)
• M12: 12,767,430 km (0.107 R)
• M13: 15,645,993 km (0.118 R)
• M14: 16,339,678 km (0.094 R)
• M15: 18,314,819 km (0.097 R)
• M16: 20,280,535 km (0.077 R)
• M17: 22,556,666 km (0.072 R)
• M18: 23,351,629 km (0.09 R)
• M19: 24,717,907 km (0.088 R)
• M20: 25,944,460 km (0.062 R)
• M21: 27,708,817 km (0.097 R)
• M22: 28,314,239 km (0.1 R)
• M23: 28,517,992 km (0.094 R)
• M24: 35,923,685 km (0.1 R)
• M25: 40,903,947 km (0.086 R)
• M26: 42,217,267 km (0.042 R)
• M27: 42,616,693 km (0.116 R)
• M28: 44,927,681 km (0.112 R)
• M29: 45,762,886 km (0.071 R)
• M30: 46,608,264 km (0.045 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 659.2

Radius: 4.2

Gravity: 37.37 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 10.5 AU - 10.82 AU

Year: 22832 Days

Day: 21.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 82,055,142 km

• M1: 52,509 km (0.088 R)
• M2: 357,539 km (0.091 R)
• M3: 491,728 km (0.088 R)
• M4: 822,489 km (0.09 R)
• M5: 1,050,027 km (0.083 R)
• M6: 1,214,436 km (0.096 R)
• M7: 1,476,980 km (0.062 R)
• M8: 3,162,798 km (0.099 R)
• M9: 3,628,796 km (0.119 R)
• M10: 4,205,944 km (0.085 R)
• M11: 4,411,342 km (0.119 R)
• M12: 4,587,568 km (0.077 R)
• M13: 4,805,233 km (0.093 R)
• M14: 5,067,777 km (0.115 R)
• M15: 5,261,208 km (0.077 R)
• M16: 6,526,656 km (0.048 R)
• M17: 8,620,428 km (0.112 R)
• M18: 9,064,584 km (0.038 R)
• M19: 9,349,717 km (0.087 R)
• M20: 9,523,700 km (0.109 R)
• M21: 10,364,290 km (0.062 R)
• M22: 13,108,813 km (0.101 R)
• M23: 13,399,930 km (0.065 R)
• M24: 13,695,535 km (0.077 R)
• M25: 17,676,484 km (0.084 R)
• M26: 18,301,504 km (0.113 R)
• M27: 21,954,385 km (0.104 R)
• M28: 24,385,799 km (0.105 R)
• M29: 24,715,663 km (0.102 R)
• M30: 28,421,052 km (0.051 R)
• M31: 28,908,741 km (0.073 R)
• M32: 36,049,496 km (0.105 R)
• M33: 41,880,522 km (0.064 R)
• M34: 43,149,561 km (0.061 R)
• M35: 48,655,660 km (0.058 R)
• M36: 53,125,645 km (0.073 R)
• M37: 64,115,403 km (0.101 R)
• M38: 67,945,408 km (0.076 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 484 - 16,518 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit