🌌 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: 141.9

Radius: 10.1

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.5 AU - 0.52 AU

Year: 243 Days

Day: 9 Hours

Environment

Temp: -130 °C

Axial Tilt: 147.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,706,077 km

• M1: 128,654 km (0.094 R)
• M2: 392,246 km (0.032 R)
• M3: 596,148 km (0.047 R)
• M4: 812,167 km (0.119 R)
• M5: 1,045,540 km (0.088 R)
• M6: 1,293,573 km (0.114 R)
• M7: 1,585,588 km (0.05 R)
• M8: 1,987,258 km (0.031 R)
• M9: 2,254,141 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.2

Radius: 8.6

Gravity: 9.95 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.44 AU - 0.7 AU

Year: 287 Days

Day: 7.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,706,077 km

• M1: 110,254 km (0.062 R)
• M2: 297,700 km (0.063 R)
• M3: 561,590 km (0.091 R)
• M4: 787,184 km (0.09 R)
• M5: 1,005,148 km (0.088 R)
• M6: 1,364,931 km (0.028 R)
• M7: 1,562,400 km (0.113 R)
• M8: 1,885,382 km (0.11 R)
• M9: 2,100,803 km (0.072 R)
• M10: 2,309,642 km (0.067 R)
• M11: 2,779,080 km (0.081 R)
• M12: 2,991,060 km (0.09 R)
• M13: 3,188,828 km (0.106 R)
• M14: 3,354,732 km (0.103 R)
• M15: 3,862,318 km (0.077 R)
• M16: 4,104,367 km (0.096 R)
• M17: 4,593,253 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.9

Radius: 14.5

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.49 AU - 1.71 AU

Year: 1350 Days

Day: 9.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,706,077 km

• M1: 191,635 km (0.118 R)
• M2: 616,642 km (0.108 R)
• M3: 917,633 km (0.12 R)
• M4: 1,266,496 km (0.096 R)
• M5: 1,764,656 km (0.088 R)
• M6: 2,094,370 km (0.045 R)
• M7: 2,635,615 km (0.086 R)
• M8: 3,142,453 km (0.106 R)
• M9: 3,669,187 km (0.074 R)
• M10: 4,063,677 km (0.118 R)
• M11: 4,509,628 km (0.111 R)
• M12: 4,820,492 km (0.09 R)
• M13: 5,644,627 km (0.118 R)
• M14: 6,684,930 km (0.058 R)
• M15: 6,988,016 km (0.079 R)
• M16: 7,356,625 km (0.071 R)
• M17: 7,714,912 km (0.032 R)
• M18: 8,584,823 km (0.101 R)
• M19: 9,368,267 km (0.087 R)
• M20: 10,209,755 km (0.102 R)
• M21: 10,514,187 km (0.097 R)
• M22: 11,603,260 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.2

Radius: 8

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.19 AU - 3.59 AU

Year: 3276 Days

Day: 8.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,706,077 km

• M1: 107,561 km (0.088 R)
• M2: 272,418 km (0.072 R)
• M3: 469,887 km (0.098 R)
• M4: 630,405 km (0.081 R)
• M5: 1,519,316 km (0.105 R)
• M6: 1,969,007 km (0.115 R)
• M7: 3,294,145 km (0.119 R)
• M8: 4,175,127 km (0.093 R)
• M9: 6,647,381 km (0.04 R)
• M10: 7,161,549 km (0.108 R)
• M11: 10,907,480 km (0.045 R)
• M12: 12,755,911 km (0.115 R)
• M13: 13,624,177 km (0.081 R)
• M14: 14,005,053 km (0.092 R)
• M15: 17,635,943 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.4

Radius: 14.3

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.88 AU - 4.78 AU

Year: 4998 Days

Day: 13.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,706,077 km

• M1: 248,183 km (0.064 R)
• M2: 907,909 km (0.105 R)
• M3: 1,352,365 km (0.093 R)
• M4: 1,890,319 km (0.083 R)
• M5: 2,287,800 km (0.077 R)
• M6: 3,067,504 km (0.099 R)
• M7: 3,544,273 km (0.097 R)
• M8: 3,917,220 km (0.032 R)
• M9: 4,550,618 km (0.048 R)
• M10: 5,667,366 km (0.096 R)
• M11: 6,407,127 km (0.09 R)
• M12: 7,217,648 km (0.072 R)
• M13: 8,229,977 km (0.065 R)
• M14: 8,643,466 km (0.075 R)
• M15: 9,148,059 km (0.06 R)
• M16: 11,222,234 km (0.036 R)
• M17: 12,324,471 km (0.112 R)
• M18: 12,703,552 km (0.041 R)
• M19: 13,742,958 km (0.107 R)
• M20: 18,047,188 km (0.068 R)
• M21: 18,391,113 km (0.093 R)
• M22: 19,166,778 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.5

Radius: 14.6

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.21 AU - 5.31 AU

Year: 5863 Days

Day: 8.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,706,077 km

• M1: 236,963 km (0.095 R)
• M2: 1,456,335 km (0.115 R)
• M3: 2,334,026 km (0.108 R)
• M4: 2,958,298 km (0.076 R)
• M5: 6,219,831 km (0.114 R)
• M6: 7,174,714 km (0.112 R)
• M7: 8,580,186 km (0.057 R)
• M8: 9,404,321 km (0.036 R)
• M9: 12,571,307 km (0.036 R)
• M10: 15,582,563 km (0.049 R)
• M11: 15,964,038 km (0.113 R)
• M12: 18,145,324 km (0.109 R)
• M13: 19,288,850 km (0.085 R)
• M14: 21,015,359 km (0.046 R)
• M15: 22,758,922 km (0.089 R)
• M16: 23,979,940 km (0.026 R)
• M17: 25,902,273 km (0.098 R)
• M18: 27,267,204 km (0.111 R)
• M19: 27,772,246 km (0.095 R)
• M20: 30,367,620 km (0.097 R)
• M21: 30,700,176 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.8

Radius: 9.7

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.43 AU - 5.49 AU

Year: 6281 Days

Day: 11.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,706,077 km

• M1: 197,469 km (0.073 R)
• M2: 1,033,422 km (0.095 R)
• M3: 1,713,344 km (0.047 R)
• M4: 2,489,757 km (0.099 R)
• M5: 3,015,295 km (0.11 R)
• M6: 3,670,833 km (0.088 R)
• M7: 4,284,184 km (0.086 R)
• M8: 5,726,906 km (0.095 R)
• M9: 6,823,159 km (0.028 R)
• M10: 7,116,371 km (0.114 R)
• M11: 8,250,771 km (0.108 R)
• M12: 8,505,088 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.4

Radius: 11.4

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.81 AU - 5.67 AU

Year: 7999 Days

Day: 10.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,706,077 km

• M1: 161,715 km (0.048 R)
• M2: 453,730 km (0.113 R)
• M3: 690,544 km (0.091 R)
• M4: 1,105,678 km (0.076 R)
• M5: 1,415,944 km (0.104 R)
• M6: 2,066,844 km (0.082 R)
• M7: 2,442,484 km (0.116 R)
• M8: 2,793,890 km (0.103 R)
• M9: 3,315,089 km (0.118 R)
• M10: 5,028,284 km (0.115 R)
• M11: 6,562,410 km (0.098 R)
• M12: 7,203,437 km (0.106 R)
• M13: 11,689,129 km (0.058 R)
• M14: 12,793,161 km (0.102 R)
• M15: 14,566,045 km (0.08 R)
• M16: 19,171,566 km (0.05 R)
• M17: 22,596,010 km (0.04 R)
• M18: 22,819,360 km (0.065 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 285 - 14,009 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit