🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.7

Radius: 9.6

Gravity: 8.6 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.42 AU - 0.6 AU

Year: 256 Days

Day: 7.9 Hours

Environment

Temp: -135 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,231,508 km

• M1: 119,529 km (0.098 R)
• M2: 457,470 km (0.076 R)
• M3: 826,827 km (0.112 R)
• M4: 1,223,561 km (0.098 R)
• M5: 1,571,526 km (0.07 R)
• M6: 1,884,634 km (0.11 R)
• M7: 2,280,171 km (0.062 R)
• M8: 2,675,708 km (0.067 R)
• M9: 2,987,469 km (0.117 R)
• M10: 3,639,716 km (0.054 R)
• M11: 4,170,489 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.8

Radius: 9.7

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.66 AU - 0.88 AU

Year: 475 Days

Day: 7.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,231,508 km

• M1: 120,576 km (0.074 R)
• M2: 422,913 km (0.093 R)
• M3: 909,854 km (0.106 R)
• M4: 1,274,424 km (0.061 R)
• M5: 1,647,521 km (0.092 R)
• M6: 1,958,236 km (0.057 R)
• M7: 2,805,708 km (0.105 R)
• M8: 3,265,273 km (0.078 R)
• M9: 3,748,623 km (0.088 R)
• M10: 4,194,425 km (0.115 R)
• M11: 4,585,025 km (0.078 R)
• M12: 5,473,487 km (0.027 R)
• M13: 6,102,546 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.5

Radius: 11

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.76 AU - 0.92 AU

Year: 541 Days

Day: 5.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,231,508 km

• M1: 136,882 km (0.086 R)
• M2: 666,010 km (0.109 R)
• M3: 1,218,923 km (0.082 R)
• M4: 3,418,311 km (0.076 R)
• M5: 5,425,017 km (0.083 R)
• M6: 6,174,353 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.9

Radius: 12.6

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.96 AU - 1.46 AU

Year: 936 Days

Day: 6.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,231,508 km

• M1: 156,928 km (0.107 R)
• M2: 575,653 km (0.107 R)
• M3: 1,102,686 km (0.081 R)
• M4: 1,499,270 km (0.097 R)
• M5: 2,145,084 km (0.099 R)
• M6: 2,596,271 km (0.103 R)
• M7: 3,016,791 km (0.117 R)
• M8: 3,774,803 km (0.101 R)
• M9: 4,913,243 km (0.038 R)
• M10: 5,456,433 km (0.085 R)
• M11: 6,307,196 km (0.1 R)
• M12: 6,887,935 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.3

Radius: 13.8

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.6 AU - 1.66 AU

Year: 1463 Days

Day: 14.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,231,508 km

• M1: 171,589 km (0.098 R)
• M2: 607,068 km (0.05 R)
• M3: 1,068,578 km (0.043 R)
• M4: 1,513,033 km (0.107 R)
• M5: 2,240,228 km (0.069 R)
• M6: 3,310,900 km (0.064 R)
• M7: 4,379,328 km (0.071 R)
• M8: 5,428,608 km (0.045 R)
• M9: 5,956,090 km (0.073 R)
• M10: 6,541,915 km (0.05 R)
• M11: 8,275,754 km (0.084 R)
• M12: 9,310,971 km (0.116 R)
• M13: 11,425,238 km (0.066 R)
• M14: 12,632,643 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939

Radius: 8.9

Gravity: 11.85 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.92 AU - 3.18 AU

Year: 2862 Days

Day: 5.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,231,508 km

• M1: 111,450 km (0.078 R)
• M2: 501,302 km (0.09 R)
• M3: 857,794 km (0.092 R)
• M4: 1,324,390 km (0.1 R)
• M5: 1,628,373 km (0.113 R)
• M6: 2,084,646 km (0.09 R)
• M7: 2,395,062 km (0.057 R)
• M8: 2,936,157 km (0.097 R)
• M9: 3,291,153 km (0.116 R)
• M10: 3,694,619 km (0.096 R)
• M11: 4,045,276 km (0.065 R)
• M12: 4,813,611 km (0.065 R)
• M13: 5,838,356 km (0.091 R)
• M14: 6,172,408 km (0.051 R)
• M15: 8,313,453 km (0.093 R)
• M16: 8,701,211 km (0.06 R)
• M17: 9,589,224 km (0.12 R)
• M18: 9,976,532 km (0.114 R)
• M19: 11,032,693 km (0.083 R)
• M20: 11,501,383 km (0.06 R)
• M21: 12,161,708 km (0.089 R)
• M22: 13,413,843 km (0.112 R)
• M23: 14,903,538 km (0.047 R)
• M24: 16,445,593 km (0.032 R)
• M25: 18,091,020 km (0.042 R)
• M26: 19,227,066 km (0.099 R)
• M27: 19,719,243 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617

Radius: 10

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.34 AU - 3.86 AU

Year: 4801 Days

Day: 5.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,231,508 km

• M1: 124,316 km (0.066 R)
• M2: 656,286 km (0.074 R)
• M3: 999,314 km (0.105 R)
• M4: 2,371,126 km (0.105 R)
• M5: 2,984,029 km (0.062 R)
• M6: 4,331,606 km (0.11 R)
• M7: 7,326,107 km (0.11 R)
• M8: 9,817,360 km (0.114 R)
• M9: 13,380,931 km (0.113 R)
• M10: 13,846,929 km (0.088 R)
• M11: 14,702,030 km (0.089 R)
• M12: 19,712,661 km (0.102 R)
• M13: 20,657,072 km (0.109 R)
• M14: 22,490,544 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 268.4

Radius: 5.2

Gravity: 9.93 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 8.01 AU - 11.15 AU

Year: 20843 Days

Day: 16.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 57,231,508 km

• M1: 94,995 km (0.119 R)
• M2: 420,819 km (0.079 R)
• M3: 707,149 km (0.065 R)
• M4: 1,374,206 km (0.076 R)
• M5: 1,973,196 km (0.04 R)
• M6: 2,194,750 km (0.07 R)
• M7: 2,665,684 km (0.108 R)
• M8: 3,327,057 km (0.037 R)
• M9: 4,901,275 km (0.063 R)
• M10: 5,449,551 km (0.06 R)
• M11: 5,924,524 km (0.069 R)
• M12: 6,308,093 km (0.082 R)
• M13: 8,720,808 km (0.088 R)
• M14: 9,996,878 km (0.073 R)
• M15: 11,450,969 km (0.081 R)
• M16: 11,745,976 km (0.1 R)
• M17: 13,104,325 km (0.073 R)
• M18: 13,297,456 km (0.081 R)
• M19: 14,155,848 km (0.083 R)
• M20: 14,427,219 km (0.109 R)
• M21: 16,276,847 km (0.115 R)
• M22: 16,574,696 km (0.095 R)
• M23: 17,802,895 km (0.083 R)
• M24: 20,438,959 km (0.099 R)
• M25: 22,303,547 km (0.084 R)
• M26: 23,418,350 km (0.103 R)
• M27: 24,667,492 km (0.078 R)
• M28: 28,572,445 km (0.076 R)
• M29: 30,784,250 km (0.093 R)
• M30: 35,172,255 km (0.1 R)
• M31: 38,230,783 km (0.116 R)
• M32: 41,323,869 km (0.062 R)
• M33: 44,001,671 km (0.101 R)
• M34: 50,642,170 km (0.108 R)
• M35: 51,277,064 km (0.11 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 216 - 12,129 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit