🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.4

Radius: 9.1

Gravity: 11.74 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.78 AU - 0.82 AU

Year: 477 Days

Day: 14.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,703,748 km

• M1: 113,246 km (0.11 R)
• M2: 469,289 km (0.107 R)
• M3: 752,926 km (0.088 R)
• M4: 1,105,079 km (0.114 R)
• M5: 1,480,869 km (0.058 R)
• M6: 1,949,859 km (0.074 R)
• M7: 2,374,417 km (0.101 R)
• M8: 2,996,745 km (0.053 R)
• M9: 3,538,438 km (0.11 R)
• M10: 3,944,297 km (0.117 R)
• M11: 5,012,875 km (0.096 R)
• M12: 5,525,846 km (0.114 R)
• M13: 5,998,426 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.4

Radius: 10.9

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.68 AU - 0.94 AU

Year: 486 Days

Day: 7.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,703,748 km

• M1: 136,134 km (0.076 R)
• M2: 540,796 km (0.044 R)
• M3: 900,430 km (0.094 R)
• M4: 1,266,645 km (0.081 R)
• M5: 1,799,662 km (0.079 R)
• M6: 2,405,235 km (0.065 R)
• M7: 2,766,513 km (0.109 R)
• M8: 3,576,137 km (0.082 R)
• M9: 5,293,521 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526

Radius: 11.8

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.67 AU - 2.65 AU

Year: 2117 Days

Day: 9 Hours

Environment

Temp: -207 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,703,748 km

• M1: 146,756 km (0.102 R)
• M2: 620,382 km (0.08 R)
• M3: 1,055,862 km (0.108 R)
• M4: 1,507,647 km (0.071 R)
• M5: 2,054,128 km (0.09 R)
• M6: 2,525,062 km (0.111 R)
• M7: 3,350,992 km (0.108 R)
• M8: 3,774,354 km (0.106 R)
• M9: 4,195,323 km (0.08 R)
• M10: 4,709,042 km (0.052 R)
• M11: 6,304,204 km (0.062 R)
• M12: 7,224,979 km (0.056 R)
• M13: 7,646,246 km (0.12 R)
• M14: 8,850,509 km (0.112 R)
• M15: 10,246,856 km (0.1 R)
• M16: 10,997,687 km (0.113 R)
• M17: 13,304,786 km (0.084 R)
• M18: 14,373,363 km (0.114 R)
• M19: 14,996,439 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392

Radius: 11.5

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.84 AU - 2.48 AU

Year: 2117 Days

Day: 13.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,703,748 km

• M1: 143,016 km (0.113 R)
• M2: 593,006 km (0.077 R)
• M3: 1,058,854 km (0.089 R)
• M4: 1,469,799 km (0.084 R)
• M5: 2,509,355 km (0.099 R)
• M6: 3,429,531 km (0.099 R)
• M7: 3,845,563 km (0.091 R)
• M8: 4,295,104 km (0.099 R)
• M9: 4,660,123 km (0.036 R)
• M10: 5,586,284 km (0.087 R)
• M11: 6,022,361 km (0.113 R)
• M12: 6,631,075 km (0.069 R)
• M13: 7,068,051 km (0.071 R)
• M14: 7,551,551 km (0.054 R)
• M15: 8,406,652 km (0.114 R)
• M16: 9,940,779 km (0.072 R)
• M17: 11,145,640 km (0.075 R)
• M18: 12,064,021 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.1

Radius: 10

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.9 AU - 5.28 AU

Year: 6558 Days

Day: 13.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,703,748 km

• M1: 145,559 km (0.119 R)
• M2: 758,910 km (0.043 R)
• M3: 1,097,450 km (0.075 R)
• M4: 1,420,432 km (0.092 R)
• M5: 1,830,928 km (0.08 R)
• M6: 2,459,090 km (0.074 R)
• M7: 2,831,738 km (0.056 R)
• M8: 3,864,113 km (0.095 R)
• M9: 6,625,690 km (0.061 R)
• M10: 9,314,861 km (0.065 R)
• M11: 13,098,490 km (0.084 R)
• M12: 15,501,780 km (0.046 R)
• M13: 19,375,019 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.7

Radius: 11.1

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.75 AU - 5.57 AU

Year: 6708 Days

Day: 13.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 34,703,748 km

• M1: 182,809 km (0.057 R)
• M2: 633,996 km (0.117 R)
• M3: 1,167,761 km (0.09 R)
• M4: 2,019,870 km (0.12 R)
• M5: 2,417,352 km (0.076 R)
• M6: 2,848,044 km (0.108 R)
• M7: 3,308,955 km (0.046 R)
• M8: 4,432,884 km (0.067 R)
• M9: 5,139,734 km (0.107 R)
• M10: 6,438,842 km (0.057 R)
• M11: 8,217,561 km (0.077 R)
• M12: 8,698,967 km (0.117 R)
• M13: 9,499,764 km (0.096 R)
• M14: 10,120,745 km (0.093 R)
• M15: 12,719,709 km (0.077 R)
• M16: 14,315,918 km (0.087 R)
• M17: 14,896,208 km (0.118 R)
• M18: 17,115,642 km (0.104 R)
• M19: 24,753,062 km (0.111 R)
• M20: 29,031,412 km (0.089 R)
• M21: 31,007,151 km (0.118 R)
• M22: 33,272,212 km (0.069 R)
• M23: 34,290,674 km (0.072 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 556 - 11,942 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit