🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.9

Radius: 14.9

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.49 AU - 0.59 AU

Year: 265 Days

Day: 14.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,445,285 km

• M1: 185,352 km (0.069 R)
• M2: 689,796 km (0.105 R)
• M3: 1,343,389 km (0.07 R)
• M4: 1,979,629 km (0.087 R)
• M5: 2,538,227 km (0.061 R)
• M6: 3,023,373 km (0.115 R)
• M7: 3,494,905 km (0.045 R)
• M8: 4,172,584 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.6

Radius: 13.5

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.59 AU - 0.79 AU

Year: 382 Days

Day: 13.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,445,285 km

• M1: 167,849 km (0.103 R)
• M2: 590,313 km (0.025 R)
• M3: 1,065,735 km (0.077 R)
• M4: 1,514,828 km (0.095 R)
• M5: 2,161,839 km (0.102 R)
• M6: 2,643,843 km (0.035 R)
• M7: 3,097,125 km (0.047 R)
• M8: 3,817,438 km (0.115 R)
• M9: 4,286,727 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.5

Radius: 8.9

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.33 AU - 2.03 AU

Year: 1452 Days

Day: 9.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,445,285 km

• M1: 110,702 km (0.078 R)
• M2: 883,226 km (0.047 R)
• M3: 1,207,255 km (0.071 R)
• M4: 2,364,544 km (0.078 R)
• M5: 2,778,332 km (0.088 R)
• M6: 3,080,519 km (0.091 R)
• M7: 4,186,197 km (0.033 R)
• M8: 5,344,534 km (0.117 R)
• M9: 5,694,742 km (0.119 R)
• M10: 6,571,535 km (0.065 R)
• M11: 9,127,564 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.1

Radius: 8.8

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.05 AU - 2.55 AU

Year: 2326 Days

Day: 14.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,445,285 km

• M1: 119,080 km (0.083 R)
• M2: 849,267 km (0.077 R)
• M3: 1,805,347 km (0.085 R)
• M4: 2,312,334 km (0.105 R)
• M5: 2,883,200 km (0.048 R)
• M6: 3,417,863 km (0.071 R)
• M7: 3,692,524 km (0.088 R)
• M8: 4,087,762 km (0.081 R)
• M9: 5,844,490 km (0.079 R)
• M10: 6,876,865 km (0.066 R)
• M11: 8,514,363 km (0.07 R)
• M12: 9,392,652 km (0.108 R)
• M13: 10,633,267 km (0.082 R)

Asteroid Belt

Center: 2.84 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.1

Radius: 8.7

Gravity: 9.55 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 3.01 AU - 3.73 AU

Year: 4125 Days

Day: 14.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,445,285 km

• M1: 108,159 km (0.096 R)
• M2: 686,953 km (0.079 R)
• M3: 1,428,959 km (0.082 R)
• M4: 1,832,275 km (0.109 R)
• M5: 2,176,200 km (0.096 R)
• M6: 2,482,128 km (0.066 R)
• M7: 3,013,500 km (0.114 R)
• M8: 4,118,729 km (0.076 R)
• M9: 4,941,218 km (0.099 R)
• M10: 7,071,192 km (0.087 R)
• M11: 7,959,056 km (0.07 R)
• M12: 8,919,474 km (0.064 R)
• M13: 10,892,221 km (0.088 R)
• M14: 11,427,632 km (0.087 R)
• M15: 12,647,752 km (0.105 R)
• M16: 13,289,527 km (0.052 R)
• M17: 13,952,694 km (0.049 R)
• M18: 15,847,950 km (0.089 R)
• M19: 16,361,818 km (0.051 R)
• M20: 17,004,790 km (0.116 R)
• M21: 17,543,342 km (0.049 R)
• M22: 18,907,824 km (0.114 R)
• M23: 19,356,468 km (0.095 R)
• M24: 20,274,999 km (0.118 R)
• M25: 21,153,588 km (0.1 R)
• M26: 22,269,588 km (0.103 R)
• M27: 23,132,020 km (0.056 R)
• M28: 23,497,786 km (0.105 R)
• M29: 24,770,565 km (0.081 R)
• M30: 25,230,578 km (0.039 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 964.9

Radius: 3.3

Gravity: 88.6 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 6.68 AU - 8.94 AU

Year: 14555 Days

Day: 15.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 87.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 57,445,285 km

• M1: 41,139 km (0.096 R)
• M2: 154,385 km (0.081 R)
• M3: 288,125 km (0.096 R)
• M4: 560,394 km (0.103 R)
• M5: 1,239,269 km (0.034 R)
• M6: 1,428,959 km (0.11 R)
• M7: 1,775,876 km (0.064 R)
• M8: 3,074,685 km (0.086 R)
• M9: 3,534,399 km (0.114 R)
• M10: 4,656,533 km (0.06 R)
• M11: 4,864,175 km (0.084 R)
• M12: 4,970,389 km (0.049 R)
• M13: 6,930,720 km (0.099 R)
• M14: 7,573,392 km (0.115 R)
• M15: 9,794,472 km (0.092 R)
• M16: 13,220,861 km (0.109 R)
• M17: 17,040,843 km (0.097 R)
• M18: 17,368,313 km (0.078 R)
• M19: 17,616,645 km (0.064 R)
• M20: 18,893,912 km (0.102 R)
• M21: 19,689,174 km (0.109 R)
• M22: 23,093,722 km (0.105 R)
• M23: 23,696,752 km (0.111 R)
• M24: 26,214,334 km (0.116 R)
• M25: 27,649,726 km (0.068 R)
• M26: 29,253,116 km (0.043 R)
• M27: 37,651,540 km (0.113 R)
• M28: 40,918,159 km (0.053 R)
• M29: 49,154,120 km (0.08 R)
• M30: 51,670,805 km (0.105 R)
• M31: 56,596,016 km (0.071 R)
• M32: 61,824,761 km (0.103 R)
• M33: 63,964,010 km (0.074 R)
• M34: 64,754,037 km (0.103 R)
• M35: 67,570,067 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 442.6

Radius: 6.3

Gravity: 11.15 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 6.36 AU - 10.5 AU

Year: 16322 Days

Day: 19.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,445,285 km

• M1: 109,954 km (0.095 R)
• M2: 558,299 km (0.037 R)
• M3: 1,133,952 km (0.112 R)
• M4: 2,475,246 km (0.09 R)
• M5: 2,822,313 km (0.104 R)
• M6: 3,587,058 km (0.103 R)
• M7: 4,833,058 km (0.036 R)
• M8: 6,582,606 km (0.052 R)
• M9: 8,144,557 km (0.039 R)
• M10: 9,727,302 km (0.042 R)
• M11: 11,681,499 km (0.108 R)
• M12: 13,618,642 km (0.107 R)
• M13: 16,199,056 km (0.111 R)
• M14: 20,009,314 km (0.092 R)
• M15: 22,395,100 km (0.108 R)
• M16: 22,856,759 km (0.113 R)
• M17: 24,963,995 km (0.06 R)
• M18: 39,039,210 km (0.076 R)
• M19: 43,880,945 km (0.088 R)
• M20: 47,271,730 km (0.105 R)
• M21: 51,630,115 km (0.082 R)
• M22: 53,906,546 km (0.096 R)
• M23: 57,445,283 km (0.045 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 284 - 11,508 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit