🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.3

Radius: 8.6

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.67 AU - 0.83 AU

Year: 441 Days

Day: 8.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 20,920,682 km

• M1: 106,962 km (0.071 R)
• M2: 384,915 km (0.097 R)
• M3: 1,058,106 km (0.079 R)
• M4: 1,389,764 km (0.116 R)
• M5: 1,775,876 km (0.039 R)
• M6: 2,232,449 km (0.099 R)
• M7: 2,508,158 km (0.11 R)
• M8: 2,827,549 km (0.064 R)
• M9: 3,106,998 km (0.068 R)
• M10: 3,488,174 km (0.105 R)
• M11: 3,848,854 km (0.036 R)
• M12: 4,138,924 km (0.047 R)
• M13: 4,558,247 km (0.116 R)
• M14: 5,319,700 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.3

Radius: 12.1

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.69 AU - 1.05 AU

Year: 550 Days

Day: 10.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,920,682 km

• M1: 150,495 km (0.03 R)
• M2: 657,931 km (0.088 R)
• M3: 1,355,357 km (0.092 R)
• M4: 1,846,935 km (0.104 R)
• M5: 2,628,883 km (0.097 R)
• M6: 3,010,508 km (0.11 R)
• M7: 3,685,942 km (0.119 R)
• M8: 4,460,261 km (0.065 R)
• M9: 6,237,034 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.5

Radius: 8

Gravity: 13.8 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.28 AU - 1.4 AU

Year: 1052 Days

Day: 8.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 20,920,682 km

• M1: 99,483 km (0.114 R)
• M2: 498,909 km (0.062 R)
• M3: 831,764 km (0.099 R)
• M4: 1,199,775 km (0.078 R)
• M5: 1,655,899 km (0.039 R)
• M6: 1,914,853 km (0.12 R)
• M7: 2,200,884 km (0.043 R)
• M8: 2,479,286 km (0.088 R)
• M9: 3,353,984 km (0.03 R)
• M10: 4,828,122 km (0.096 R)
• M11: 5,957,885 km (0.069 R)
• M12: 6,363,295 km (0.101 R)
• M13: 7,432,321 km (0.065 R)
• M14: 7,769,814 km (0.086 R)
• M15: 9,105,873 km (0.112 R)
• M16: 9,674,943 km (0.113 R)
• M17: 10,267,351 km (0.082 R)
• M18: 10,621,299 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.6

Radius: 11

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.31 AU - 2.13 AU

Year: 1530 Days

Day: 13.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 20,920,682 km

• M1: 136,732 km (0.107 R)
• M2: 635,342 km (0.104 R)
• M3: 1,004,849 km (0.117 R)
• M4: 1,839,904 km (0.084 R)
• M5: 2,638,906 km (0.097 R)
• M6: 3,459,002 km (0.117 R)
• M7: 3,841,973 km (0.056 R)
• M8: 4,441,262 km (0.038 R)
• M9: 4,834,106 km (0.118 R)
• M10: 5,712,843 km (0.072 R)
• M11: 6,445,424 km (0.09 R)
• M12: 7,536,591 km (0.1 R)
• M13: 9,622,883 km (0.07 R)
• M14: 10,351,425 km (0.079 R)
• M15: 10,904,039 km (0.105 R)
• M16: 11,659,209 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.8

Radius: 12.3

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.19 AU - 3.19 AU

Year: 2992 Days

Day: 12 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 20,920,682 km

• M1: 154,535 km (0.082 R)
• M2: 671,545 km (0.083 R)
• M3: 1,167,911 km (0.034 R)
• M4: 1,862,194 km (0.108 R)
• M5: 2,318,019 km (0.072 R)
• M6: 2,739,287 km (0.063 R)
• M7: 3,229,220 km (0.091 R)
• M8: 3,700,752 km (0.049 R)
• M9: 4,738,363 km (0.114 R)
• M10: 7,787,916 km (0.072 R)
• M11: 8,273,061 km (0.071 R)
• M12: 8,743,996 km (0.088 R)
• M13: 9,197,277 km (0.108 R)
• M14: 10,613,071 km (0.109 R)
• M15: 11,455,457 km (0.051 R)
• M16: 13,593,959 km (0.11 R)
• M17: 15,077,371 km (0.077 R)
• M18: 16,507,527 km (0.067 R)
• M19: 18,992,646 km (0.119 R)
• M20: 19,636,217 km (0.069 R)
• M21: 20,354,735 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.5

Radius: 12.2

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.12 AU - 3.42 AU

Year: 3127 Days

Day: 5 Hours

Environment

Temp: -200 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 20,920,682 km

• M1: 153,338 km (0.113 R)
• M2: 617,540 km (0.105 R)
• M3: 1,004,550 km (0.09 R)
• M4: 1,490,892 km (0.103 R)
• M5: 2,044,255 km (0.119 R)
• M6: 2,506,512 km (0.096 R)
• M7: 3,038,482 km (0.076 R)
• M8: 3,550,855 km (0.034 R)
• M9: 3,957,612 km (0.094 R)
• M10: 4,548,673 km (0.108 R)
• M11: 5,030,079 km (0.109 R)
• M12: 5,419,482 km (0.097 R)
• M13: 6,482,525 km (0.107 R)
• M14: 9,232,881 km (0.082 R)
• M15: 11,941,500 km (0.089 R)
• M16: 13,593,659 km (0.04 R)
• M17: 15,495,048 km (0.113 R)
• M18: 16,589,357 km (0.09 R)
• M19: 17,457,174 km (0.051 R)
• M20: 18,241,216 km (0.106 R)
• M21: 20,303,872 km (0.085 R)
• M22: 20,858,431 km (0.118 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 521 - 16,796 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit