🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.4

Radius: 11.9

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.56 AU - 0.7 AU

Year: 345 Days

Day: 10.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,875,553 km

• M1: 147,952 km (0.095 R)
• M2: 532,718 km (0.057 R)
• M3: 935,435 km (0.09 R)
• M4: 1,310,926 km (0.085 R)
• M5: 1,751,791 km (0.107 R)
• M6: 2,253,542 km (0.059 R)
• M7: 2,700,391 km (0.11 R)
• M8: 3,119,415 km (0.116 R)
• M9: 3,498,346 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.2

Radius: 12.9

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.02 AU - 2.14 AU

Year: 2071 Days

Day: 14.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,875,553 km

• M1: 161,566 km (0.094 R)
• M2: 578,495 km (0.105 R)
• M3: 1,158,336 km (0.115 R)
• M4: 1,728,155 km (0.097 R)
• M5: 2,182,783 km (0.094 R)
• M6: 2,628,883 km (0.116 R)
• M7: 3,236,849 km (0.103 R)
• M8: 3,773,157 km (0.099 R)
• M9: 5,245,799 km (0.08 R)
• M10: 5,923,028 km (0.113 R)
• M11: 7,022,872 km (0.06 R)
• M12: 7,660,907 km (0.081 R)
• M13: 8,199,160 km (0.109 R)
• M14: 8,849,013 km (0.118 R)
• M15: 9,502,606 km (0.087 R)
• M16: 10,188,213 km (0.107 R)
• M17: 10,940,092 km (0.104 R)
• M18: 11,450,071 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.7

Radius: 8.3

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.78 AU - 2.86 AU

Year: 2439 Days

Day: 5.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,875,553 km

• M1: 103,223 km (0.046 R)
• M2: 475,721 km (0.079 R)
• M3: 1,022,651 km (0.108 R)
• M4: 1,377,796 km (0.037 R)
• M5: 1,772,735 km (0.087 R)
• M6: 2,229,906 km (0.061 R)
• M7: 2,532,692 km (0.114 R)
• M8: 2,949,920 km (0.086 R)
• M9: 3,428,634 km (0.084 R)
• M10: 3,994,114 km (0.107 R)
• M11: 5,332,416 km (0.104 R)
• M12: 5,646,123 km (0.114 R)
• M13: 6,384,688 km (0.069 R)
• M14: 8,111,496 km (0.042 R)
• M15: 9,760,363 km (0.066 R)
• M16: 11,510,210 km (0.088 R)
• M17: 12,459,259 km (0.12 R)
• M18: 14,212,247 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.8

Radius: 14.4

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.82 AU - 4.72 AU

Year: 6091 Days

Day: 8.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 34,875,553 km

• M1: 179,218 km (0.12 R)
• M2: 942,018 km (0.107 R)
• M3: 1,925,923 km (0.114 R)
• M4: 2,431,863 km (0.072 R)
• M5: 4,019,246 km (0.077 R)
• M6: 4,776,810 km (0.099 R)
• M7: 5,391,657 km (0.066 R)
• M8: 6,250,199 km (0.076 R)
• M9: 7,162,896 km (0.088 R)
• M10: 8,357,734 km (0.054 R)
• M11: 9,594,908 km (0.09 R)
• M12: 10,577,467 km (0.047 R)
• M13: 11,923,848 km (0.063 R)
• M14: 15,013,941 km (0.078 R)
• M15: 15,847,800 km (0.117 R)
• M16: 16,712,326 km (0.108 R)
• M17: 18,468,456 km (0.115 R)
• M18: 19,011,645 km (0.096 R)
• M19: 21,144,313 km (0.074 R)
• M20: 22,268,690 km (0.049 R)
• M21: 27,429,667 km (0.079 R)
• M22: 29,681,863 km (0.065 R)
• M23: 31,667,027 km (0.107 R)
• M24: 33,739,257 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.8

Radius: 9.6

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 4.69 AU - 4.69 AU

Year: 7011 Days

Day: 6 Hours

Environment

Temp: -219 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 34,875,553 km

• M1: 131,347 km (0.099 R)
• M2: 599,887 km (0.103 R)
• M3: 1,011,730 km (0.11 R)
• M4: 1,661,284 km (0.112 R)
• M5: 1,981,723 km (0.113 R)
• M6: 2,360,505 km (0.12 R)
• M7: 2,787,457 km (0.107 R)
• M8: 4,569,018 km (0.115 R)
• M9: 6,061,107 km (0.101 R)
• M10: 6,624,044 km (0.105 R)
• M11: 8,768,679 km (0.101 R)
• M12: 9,103,030 km (0.09 R)
• M13: 9,620,340 km (0.084 R)
• M14: 10,202,724 km (0.116 R)
• M15: 11,241,831 km (0.084 R)
• M16: 12,717,315 km (0.075 R)
• M17: 13,146,212 km (0.033 R)
• M18: 13,584,683 km (0.115 R)
• M19: 14,606,886 km (0.112 R)
• M20: 15,017,981 km (0.048 R)
• M21: 18,115,554 km (0.098 R)
• M22: 20,426,692 km (0.089 R)
• M23: 22,848,980 km (0.094 R)
• M24: 23,563,310 km (0.093 R)
• M25: 24,787,021 km (0.087 R)
• M26: 27,183,579 km (0.067 R)
• M27: 31,547,049 km (0.109 R)
• M28: 34,150,800 km (0.1 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 401 - 13,521 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit