🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.1

Radius: 12.5

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.53 AU - 0.85 AU

Year: 403 Days

Day: 7.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,971,844 km

• M1: 155,432 km (0.068 R)
• M2: 582,833 km (0.095 R)
• M3: 972,685 km (0.086 R)
• M4: 1,389,166 km (0.091 R)
• M5: 2,212,702 km (0.105 R)
• M6: 2,965,778 km (0.068 R)
• M7: 3,408,737 km (0.062 R)
• M8: 3,857,830 km (0.041 R)
• M9: 4,802,391 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.7

Radius: 13.7

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.82 AU - 0.86 AU

Year: 541 Days

Day: 12.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,971,844 km

• M1: 170,392 km (0.1 R)
• M2: 723,754 km (0.106 R)
• M3: 1,183,768 km (0.085 R)
• M4: 1,823,149 km (0.081 R)
• M5: 2,823,211 km (0.039 R)
• M6: 3,540,234 km (0.112 R)
• M7: 4,162,262 km (0.098 R)
• M8: 5,997,079 km (0.116 R)
• M9: 6,534,884 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.9

Radius: 11.2

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1 AU - 1.42 AU

Year: 936 Days

Day: 12.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,971,844 km

• M1: 140,173 km (0.075 R)
• M2: 525,089 km (0.051 R)
• M3: 904,170 km (0.117 R)
• M4: 1,282,951 km (0.052 R)
• M5: 2,096,315 km (0.108 R)
• M6: 2,732,555 km (0.117 R)
• M7: 3,199,300 km (0.101 R)
• M8: 4,374,242 km (0.078 R)
• M9: 5,087,076 km (0.084 R)
• M10: 5,471,841 km (0.064 R)
• M11: 6,055,123 km (0.08 R)
• M12: 6,701,087 km (0.096 R)
• M13: 7,392,528 km (0.036 R)
• M14: 7,839,377 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.4

Radius: 13.2

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 3.89 AU - 4.63 AU

Year: 6180 Days

Day: 5.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,971,844 km

• M1: 168,746 km (0.081 R)
• M2: 617,540 km (0.087 R)
• M3: 1,454,390 km (0.06 R)
• M4: 2,158,099 km (0.098 R)
• M5: 2,884,397 km (0.112 R)
• M6: 3,587,357 km (0.119 R)
• M7: 4,028,222 km (0.082 R)
• M8: 4,557,948 km (0.081 R)
• M9: 5,077,053 km (0.12 R)
• M10: 6,911,122 km (0.06 R)
• M11: 7,524,025 km (0.099 R)
• M12: 8,491,325 km (0.067 R)
• M13: 10,072,873 km (0.102 R)
• M14: 11,944,343 km (0.066 R)
• M15: 13,259,906 km (0.065 R)
• M16: 15,141,548 km (0.109 R)
• M17: 17,001,349 km (0.106 R)
• M18: 18,255,428 km (0.083 R)
• M19: 23,172,261 km (0.071 R)
• M20: 25,720,362 km (0.055 R)
• M21: 26,320,698 km (0.051 R)
• M22: 27,460,335 km (0.088 R)
• M23: 29,837,894 km (0.081 R)
• M24: 33,453,674 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.5

Radius: 8.6

Gravity: 12.15 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 4.88 AU - 5.98 AU

Year: 8894 Days

Day: 12.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 179.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 37,971,844 km

• M1: 106,962 km (0.102 R)
• M2: 518,057 km (0.082 R)
• M3: 958,025 km (0.08 R)
• M4: 1,427,463 km (0.051 R)
• M5: 1,753,885 km (0.114 R)
• M6: 2,026,902 km (0.117 R)
• M7: 2,328,640 km (0.107 R)
• M8: 2,660,299 km (0.043 R)
• M9: 3,299,680 km (0.073 R)
• M10: 4,316,497 km (0.06 R)
• M11: 5,134,049 km (0.036 R)
• M12: 5,428,458 km (0.093 R)
• M13: 8,251,071 km (0.106 R)
• M14: 9,950,652 km (0.083 R)
• M15: 10,461,379 km (0.114 R)
• M16: 11,646,793 km (0.111 R)
• M17: 12,799,893 km (0.073 R)
• M18: 14,282,109 km (0.039 R)
• M19: 16,502,291 km (0.081 R)
• M20: 17,954,587 km (0.098 R)
• M21: 20,615,933 km (0.078 R)
• M22: 28,805,519 km (0.042 R)
• M23: 29,947,848 km (0.085 R)
• M24: 30,690,302 km (0.097 R)
• M25: 31,445,024 km (0.1 R)
• M26: 32,655,719 km (0.095 R)
• M27: 33,897,382 km (0.1 R)
• M28: 39,939,789 km (0.039 R)
• M29: 45,679,261 km (0.085 R)
• M30: 46,521,497 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 415.7

Radius: 7.7

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.54 AU - 7.38 AU

Year: 11541 Days

Day: 15.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 37,971,844 km

• M1: 95,743 km (0.114 R)
• M2: 364,420 km (0.071 R)
• M3: 953,387 km (0.098 R)
• M4: 1,193,641 km (0.031 R)
• M5: 1,755,830 km (0.079 R)
• M6: 2,055,624 km (0.117 R)
• M7: 2,426,627 km (0.026 R)
• M8: 2,759,183 km (0.099 R)
• M9: 3,234,456 km (0.094 R)
• M10: 3,788,566 km (0.051 R)
• M11: 7,111,733 km (0.12 R)
• M12: 8,004,533 km (0.084 R)
• M13: 9,293,169 km (0.075 R)
• M14: 14,291,683 km (0.105 R)
• M15: 16,042,726 km (0.116 R)
• M16: 16,656,825 km (0.105 R)
• M17: 18,668,019 km (0.079 R)
• M18: 20,916,026 km (0.097 R)
• M19: 21,158,524 km (0.076 R)
• M20: 22,737,530 km (0.044 R)
• M21: 23,079,810 km (0.079 R)
• M22: 24,842,522 km (0.112 R)
• M23: 25,572,110 km (0.117 R)
• M24: 34,564,887 km (0.098 R)
• M25: 35,934,306 km (0.115 R)
• M26: 38,055,903 km (0.082 R)
• M27: 39,515,679 km (0.09 R)
• M28: 41,902,962 km (0.114 R)
• M29: 44,517,783 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 177.9

Radius: 6.1

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 6.52 AU - 8.06 AU

Year: 13836 Days

Day: 24.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,971,844 km

• M1: 196,272 km (0.118 R)
• M2: 490,531 km (0.031 R)
• M3: 925,712 km (0.089 R)
• M4: 1,949,111 km (0.071 R)
• M5: 2,393,716 km (0.114 R)
• M6: 2,823,809 km (0.056 R)
• M7: 3,598,726 km (0.075 R)
• M8: 6,076,366 km (0.049 R)
• M9: 6,731,007 km (0.038 R)
• M10: 10,531,092 km (0.084 R)
• M11: 11,939,107 km (0.082 R)
• M12: 12,150,040 km (0.027 R)
• M13: 12,907,753 km (0.049 R)
• M14: 18,477,731 km (0.107 R)
• M15: 19,844,756 km (0.107 R)
• M16: 20,215,310 km (0.056 R)
• M17: 22,536,919 km (0.081 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 167 - 13,974 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit