🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.9

Radius: 11.3

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.11 AU - 1.39 AU

Year: 889 Days

Day: 6.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,753,707 km

• M1: 140,622 km (0.061 R)
• M2: 594,951 km (0.104 R)
• M3: 1,104,182 km (0.096 R)
• M4: 1,866,981 km (0.032 R)
• M5: 2,415,557 km (0.094 R)
• M6: 3,200,646 km (0.094 R)
• M7: 3,800,833 km (0.081 R)
• M8: 5,088,272 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.2

Radius: 14.8

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.76 AU - 2.16 AU

Year: 1745 Days

Day: 10 Hours

Environment

Temp: -181 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,753,707 km

• M1: 184,155 km (0.099 R)
• M2: 1,080,545 km (0.11 R)
• M3: 1,985,164 km (0.049 R)
• M4: 2,718,343 km (0.085 R)
• M5: 4,217,463 km (0.102 R)
• M6: 5,308,630 km (0.095 R)
• M7: 6,960,789 km (0.102 R)
• M8: 8,873,547 km (0.087 R)
• M9: 9,370,661 km (0.11 R)
• M10: 10,018,121 km (0.095 R)
• M11: 11,768,266 km (0.045 R)
• M12: 13,920,531 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.5

Radius: 9.8

Gravity: 9.71 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.32 AU - 2.94 AU

Year: 2712 Days

Day: 10.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 31,753,707 km

• M1: 125,213 km (0.086 R)
• M2: 435,629 km (0.116 R)
• M3: 984,204 km (0.118 R)
• M4: 1,384,977 km (0.084 R)
• M5: 1,943,875 km (0.098 R)
• M6: 2,888,735 km (0.063 R)
• M7: 5,474,235 km (0.096 R)
• M8: 6,839,016 km (0.11 R)
• M9: 7,236,498 km (0.119 R)
• M10: 7,877,973 km (0.066 R)
• M11: 8,383,764 km (0.063 R)
• M12: 8,732,776 km (0.098 R)
• M13: 9,164,366 km (0.098 R)
• M14: 10,585,695 km (0.118 R)
• M15: 11,497,494 km (0.052 R)
• M16: 11,928,934 km (0.105 R)
• M17: 12,415,875 km (0.108 R)
• M18: 13,667,561 km (0.088 R)
• M19: 14,798,521 km (0.071 R)
• M20: 15,937,708 km (0.051 R)
• M21: 19,401,049 km (0.119 R)
• M22: 20,261,536 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.5

Radius: 12.3

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 3.51 AU - 4.41 AU

Year: 5010 Days

Day: 6 Hours

Environment

Temp: -220 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 31,753,707 km

• M1: 153,039 km (0.09 R)
• M2: 553,063 km (0.082 R)
• M3: 1,062,743 km (0.073 R)
• M4: 1,535,473 km (0.053 R)
• M5: 2,162,736 km (0.073 R)
• M6: 4,083,872 km (0.099 R)
• M7: 5,586,882 km (0.074 R)
• M8: 6,644,240 km (0.109 R)
• M9: 7,398,512 km (0.112 R)
• M10: 8,672,488 km (0.094 R)
• M11: 9,612,710 km (0.043 R)
• M12: 10,087,534 km (0.103 R)
• M13: 10,787,054 km (0.097 R)
• M14: 12,054,896 km (0.054 R)
• M15: 12,654,484 km (0.077 R)
• M16: 13,419,677 km (0.094 R)
• M17: 14,937,347 km (0.109 R)
• M18: 18,552,978 km (0.08 R)
• M19: 19,042,612 km (0.063 R)
• M20: 20,498,199 km (0.071 R)
• M21: 20,889,847 km (0.105 R)
• M22: 22,026,790 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.8

Radius: 12.9

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 4.32 AU - 4.8 AU

Year: 6191 Days

Day: 6.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 164.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 31,753,707 km

• M1: 160,967 km (0.046 R)
• M2: 565,480 km (0.08 R)
• M3: 1,204,712 km (0.105 R)
• M4: 2,176,799 km (0.117 R)
• M5: 2,659,701 km (0.111 R)
• M6: 3,093,086 km (0.047 R)
• M7: 3,752,812 km (0.053 R)
• M8: 4,251,871 km (0.115 R)
• M9: 4,903,519 km (0.106 R)
• M10: 5,711,796 km (0.089 R)
• M11: 6,948,522 km (0.1 R)
• M12: 8,595,295 km (0.034 R)
• M13: 9,726,854 km (0.116 R)
• M14: 10,955,501 km (0.073 R)
• M15: 12,336,140 km (0.037 R)
• M16: 16,603,419 km (0.11 R)
• M17: 19,518,333 km (0.1 R)
• M18: 22,220,969 km (0.106 R)
• M19: 22,758,922 km (0.092 R)
• M20: 25,664,562 km (0.11 R)
• M21: 26,772,035 km (0.104 R)
• M22: 33,490,326 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.6

Radius: 13.5

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.43 AU - 6.11 AU

Year: 7692 Days

Day: 12.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 129.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,753,707 km

• M1: 167,998 km (0.04 R)
• M2: 615,595 km (0.095 R)
• M3: 1,385,725 km (0.046 R)
• M4: 2,085,245 km (0.087 R)
• M5: 2,848,942 km (0.101 R)
• M6: 3,685,194 km (0.11 R)
• M7: 4,882,874 km (0.033 R)
• M8: 6,607,289 km (0.039 R)
• M9: 8,555,502 km (0.081 R)
• M10: 9,136,840 km (0.105 R)
• M11: 9,869,271 km (0.115 R)
• M12: 11,176,607 km (0.026 R)
• M13: 15,450,468 km (0.077 R)
• M14: 19,427,527 km (0.118 R)
• M15: 20,297,738 km (0.059 R)
• M16: 24,809,909 km (0.104 R)
• M17: 25,834,355 km (0.06 R)
• M18: 26,397,591 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 174.5

Radius: 6.1

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 6.3 AU - 6.82 AU

Year: 10683 Days

Day: 15.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 31,753,707 km

• M1: 75,846 km (0.069 R)
• M2: 293,212 km (0.119 R)
• M3: 749,186 km (0.081 R)
• M4: 1,203,964 km (0.081 R)
• M5: 1,399,488 km (0.031 R)
• M6: 2,422,738 km (0.06 R)
• M7: 3,159,208 km (0.054 R)
• M8: 4,981,310 km (0.085 R)
• M9: 7,337,028 km (0.082 R)
• M10: 7,698,905 km (0.047 R)
• M11: 9,646,071 km (0.077 R)
• M12: 10,618,606 km (0.113 R)
• M13: 13,016,810 km (0.098 R)
• M14: 14,091,820 km (0.114 R)
• M15: 14,650,867 km (0.108 R)
• M16: 15,694,313 km (0.061 R)
• M17: 16,478,056 km (0.12 R)
• M18: 17,541,996 km (0.064 R)
• M19: 18,584,543 km (0.1 R)
• M20: 24,904,306 km (0.09 R)
• M21: 25,228,783 km (0.058 R)
• M22: 28,190,073 km (0.099 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 511 - 11,638 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit