🌌 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: 223.3

Radius: 8.3

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.51 AU - 0.57 AU

Year: 265 Days

Day: 5.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,696,221 km

• M1: 103,522 km (0.109 R)
• M2: 640,578 km (0.064 R)
• M3: 919,429 km (0.098 R)
• M4: 1,253,181 km (0.055 R)
• M5: 1,633,160 km (0.096 R)
• M6: 2,035,728 km (0.115 R)
• M7: 2,443,083 km (0.063 R)
• M8: 2,755,144 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.1

Radius: 14.1

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.65 AU - 0.75 AU

Year: 391 Days

Day: 14.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,696,221 km

• M1: 176,825 km (0.119 R)
• M2: 647,908 km (0.072 R)
• M3: 1,171,351 km (0.089 R)
• M4: 1,809,985 km (0.078 R)
• M5: 2,263,715 km (0.098 R)
• M6: 2,715,052 km (0.115 R)
• M7: 3,644,354 km (0.044 R)
• M8: 4,244,092 km (0.071 R)
• M9: 5,044,141 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.4

Radius: 14.5

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.74 AU - 0.86 AU

Year: 477 Days

Day: 5.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,696,221 km

• M1: 180,565 km (0.094 R)
• M2: 845,378 km (0.109 R)
• M3: 1,438,384 km (0.086 R)
• M4: 2,699,045 km (0.119 R)
• M5: 3,280,532 km (0.108 R)
• M6: 4,029,867 km (0.042 R)
• M7: 4,551,216 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.2

Radius: 8.5

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.87 AU - 0.87 AU

Year: 541 Days

Day: 7.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,696,221 km

• M1: 105,766 km (0.089 R)
• M2: 407,355 km (0.116 R)
• M3: 1,049,728 km (0.026 R)
• M4: 1,319,154 km (0.08 R)
• M5: 1,586,336 km (0.105 R)
• M6: 2,027,201 km (0.081 R)
• M7: 2,367,985 km (0.12 R)
• M8: 2,777,883 km (0.088 R)
• M9: 3,303,570 km (0.105 R)
• M10: 3,578,231 km (0.067 R)
• M11: 4,052,307 km (0.045 R)
• M12: 4,339,685 km (0.077 R)
• M13: 4,833,956 km (0.041 R)
• M14: 5,381,335 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.9

Radius: 13.7

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.12 AU - 1.36 AU

Year: 921 Days

Day: 6.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,696,221 km

• M1: 170,542 km (0.087 R)
• M2: 630,854 km (0.084 R)
• M3: 1,340,397 km (0.104 R)
• M4: 2,983,730 km (0.066 R)
• M5: 3,985,287 km (0.032 R)
• M6: 4,887,961 km (0.068 R)
• M7: 6,000,670 km (0.071 R)
• M8: 6,565,252 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.7

Radius: 10.2

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.36 AU - 1.66 AU

Year: 1237 Days

Day: 6.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,696,221 km

• M1: 126,859 km (0.099 R)
• M2: 470,635 km (0.075 R)
• M3: 804,238 km (0.058 R)
• M4: 1,480,421 km (0.051 R)
• M5: 2,212,553 km (0.088 R)
• M6: 2,591,933 km (0.107 R)
• M7: 3,303,719 km (0.08 R)
• M8: 4,986,247 km (0.088 R)
• M9: 5,336,306 km (0.08 R)
• M10: 5,841,946 km (0.055 R)
• M11: 7,223,932 km (0.081 R)
• M12: 7,577,132 km (0.115 R)
• M13: 7,917,168 km (0.113 R)
• M14: 8,472,176 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.5

Radius: 13.1

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.95 AU - 2.69 AU

Year: 2356 Days

Day: 8.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,696,221 km

• M1: 162,912 km (0.113 R)
• M2: 912,846 km (0.077 R)
• M3: 1,903,334 km (0.106 R)
• M4: 2,600,161 km (0.071 R)
• M5: 3,533,352 km (0.096 R)
• M6: 4,748,835 km (0.086 R)
• M7: 5,649,863 km (0.05 R)
• M8: 6,573,031 km (0.092 R)
• M9: 7,001,779 km (0.045 R)
• M10: 7,840,724 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.3

Radius: 9.1

Gravity: 11.02 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.89 AU - 6.49 AU

Year: 7885 Days

Day: 14.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,696,221 km

• M1: 113,246 km (0.03 R)
• M2: 456,423 km (0.061 R)
• M3: 814,710 km (0.097 R)
• M4: 1,098,796 km (0.092 R)
• M5: 1,756,129 km (0.103 R)
• M6: 2,943,637 km (0.112 R)
• M7: 3,584,066 km (0.036 R)
• M8: 3,911,536 km (0.105 R)
• M9: 5,826,837 km (0.05 R)
• M10: 6,317,368 km (0.057 R)
• M11: 6,911,272 km (0.107 R)
• M12: 8,296,997 km (0.096 R)
• M13: 8,648,403 km (0.094 R)
• M14: 10,710,011 km (0.076 R)
• M15: 12,499,800 km (0.08 R)
• M16: 17,435,333 km (0.118 R)
• M17: 18,902,589 km (0.105 R)
• M18: 19,511,901 km (0.099 R)
• M19: 20,134,377 km (0.102 R)
• M20: 20,450,478 km (0.065 R)
• M21: 20,769,869 km (0.104 R)
• M22: 22,671,707 km (0.064 R)
• M23: 26,344,933 km (0.102 R)
• M24: 27,685,031 km (0.095 R)
• M25: 29,677,525 km (0.072 R)
• M26: 30,813,122 km (0.112 R)
• M27: 39,958,638 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 481.3

Radius: 4.8

Gravity: 20.89 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 6.41 AU - 8.63 AU

Year: 13752 Days

Day: 20 Hours

Environment

Temp: -234 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 52,696,221 km

• M1: 59,690 km (0.073 R)
• M2: 474,524 km (0.075 R)
• M3: 717,023 km (0.104 R)
• M4: 1,072,916 km (0.094 R)
• M5: 1,265,448 km (0.081 R)
• M6: 2,128,479 km (0.109 R)
• M7: 2,414,659 km (0.099 R)
• M8: 3,303,719 km (0.096 R)
• M9: 3,556,390 km (0.117 R)
• M10: 4,422,263 km (0.061 R)
• M11: 5,283,946 km (0.109 R)
• M12: 5,524,649 km (0.11 R)
• M13: 6,639,303 km (0.095 R)
• M14: 8,865,020 km (0.081 R)
• M15: 11,658,162 km (0.03 R)
• M16: 12,604,518 km (0.045 R)
• M17: 13,158,778 km (0.054 R)
• M18: 13,729,045 km (0.066 R)
• M19: 14,783,561 km (0.058 R)
• M20: 16,464,742 km (0.052 R)
• M21: 18,978,584 km (0.077 R)
• M22: 21,302,886 km (0.068 R)
• M23: 23,348,787 km (0.104 R)
• M24: 26,011,629 km (0.056 R)
• M25: 28,659,212 km (0.069 R)
• M26: 29,081,826 km (0.077 R)
• M27: 29,939,471 km (0.111 R)
• M28: 33,190,382 km (0.109 R)
• M29: 37,795,752 km (0.086 R)
• M30: 41,315,042 km (0.101 R)
• M31: 43,778,770 km (0.094 R)
• M32: 44,480,084 km (0.059 R)
• M33: 46,049,366 km (0.106 R)
• M34: 52,223,869 km (0.046 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 348 - 19,795 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit