🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.6

Radius: 14.7

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.72 AU - 1.12 AU

Year: 609 Days

Day: 6.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,959,412 km

• M1: 182,958 km (0.109 R)
• M2: 661,073 km (0.112 R)
• M3: 1,174,642 km (0.108 R)
• M4: 1,652,009 km (0.035 R)
• M5: 2,114,117 km (0.092 R)
• M6: 2,818,873 km (0.067 R)
• M7: 3,490,118 km (0.106 R)
• M8: 4,008,325 km (0.115 R)
• M9: 4,591,907 km (0.077 R)
• M10: 5,247,145 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.9

Radius: 9

Gravity: 11.78 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.78 AU - 1.12 AU

Year: 639 Days

Day: 9.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,959,412 km

• M1: 111,899 km (0.082 R)
• M2: 432,188 km (0.078 R)
• M3: 891,753 km (0.084 R)
• M4: 1,501,663 km (0.12 R)
• M5: 1,935,946 km (0.034 R)
• M6: 2,539,723 km (0.097 R)
• M7: 2,934,661 km (0.118 R)
• M8: 3,383,605 km (0.119 R)
• M9: 3,775,252 km (0.071 R)
• M10: 4,566,625 km (0.091 R)
• M11: 6,166,125 km (0.031 R)
• M12: 6,496,587 km (0.109 R)
• M13: 7,238,443 km (0.119 R)
• M14: 7,653,577 km (0.064 R)
• M15: 8,531,267 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.2

Radius: 13.2

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.87 AU - 2.49 AU

Year: 2222 Days

Day: 8.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,959,412 km

• M1: 164,109 km (0.074 R)
• M2: 599,139 km (0.088 R)
• M3: 1,274,125 km (0.105 R)
• M4: 1,701,077 km (0.092 R)
• M5: 2,512,945 km (0.066 R)
• M6: 3,267,965 km (0.12 R)
• M7: 4,790,872 km (0.106 R)
• M8: 5,254,775 km (0.1 R)
• M9: 5,723,315 km (0.104 R)
• M10: 6,859,062 km (0.058 R)
• M11: 10,659,147 km (0.03 R)
• M12: 11,251,555 km (0.079 R)
• M13: 12,545,726 km (0.081 R)
• M14: 13,614,005 km (0.116 R)
• M15: 14,312,028 km (0.075 R)
• M16: 15,628,340 km (0.053 R)
• M17: 16,549,863 km (0.071 R)
• M18: 17,291,419 km (0.098 R)
• M19: 18,332,920 km (0.098 R)
• M20: 19,184,431 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.4

Radius: 8.5

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.06 AU - 2.48 AU

Year: 2361 Days

Day: 6.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,959,412 km

• M1: 105,915 km (0.093 R)
• M2: 486,193 km (0.076 R)
• M3: 986,598 km (0.111 R)
• M4: 3,008,114 km (0.051 R)
• M5: 3,533,651 km (0.063 R)
• M6: 4,620,181 km (0.112 R)
• M7: 8,585,571 km (0.115 R)
• M8: 12,209,729 km (0.106 R)
• M9: 12,740,054 km (0.095 R)
• M10: 15,201,687 km (0.032 R)
• M11: 15,530,204 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.7

Radius: 8.5

Gravity: 13.31 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.42 AU - 3.26 AU

Year: 3304 Days

Day: 7.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,959,412 km

• M1: 106,214 km (0.039 R)
• M2: 554,709 km (0.047 R)
• M3: 837,598 km (0.087 R)
• M4: 1,258,118 km (0.048 R)
• M5: 2,281,667 km (0.063 R)
• M6: 3,166,389 km (0.03 R)
• M7: 4,936,431 km (0.077 R)
• M8: 5,818,460 km (0.088 R)
• M9: 7,349,743 km (0.061 R)
• M10: 8,102,071 km (0.097 R)
• M11: 8,388,102 km (0.094 R)
• M12: 8,942,512 km (0.113 R)
• M13: 11,541,476 km (0.099 R)
• M14: 13,233,128 km (0.086 R)
• M15: 14,501,120 km (0.093 R)
• M16: 15,299,673 km (0.081 R)
• M17: 17,931,698 km (0.035 R)
• M18: 18,726,961 km (0.105 R)
• M19: 21,937,032 km (0.112 R)
• M20: 23,203,079 km (0.096 R)
• M21: 25,268,128 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.4

Radius: 8.6

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.56 AU - 4.86 AU

Year: 5963 Days

Day: 7 Hours

Environment

Temp: -224 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,959,412 km

• M1: 107,112 km (0.117 R)
• M2: 394,190 km (0.044 R)
• M3: 1,175,540 km (0.097 R)
• M4: 1,903,035 km (0.084 R)
• M5: 2,420,344 km (0.085 R)
• M6: 2,729,413 km (0.046 R)
• M7: 3,195,411 km (0.081 R)
• M8: 3,993,216 km (0.06 R)
• M9: 4,403,563 km (0.104 R)
• M10: 4,994,175 km (0.061 R)
• M11: 5,525,996 km (0.115 R)
• M12: 7,183,989 km (0.102 R)
• M13: 8,324,972 km (0.097 R)
• M14: 8,730,831 km (0.085 R)
• M15: 9,662,377 km (0.038 R)
• M16: 11,585,457 km (0.101 R)
• M17: 12,709,087 km (0.114 R)
• M18: 14,161,832 km (0.104 R)
• M19: 16,515,007 km (0.106 R)
• M20: 17,097,391 km (0.051 R)
• M21: 17,573,262 km (0.099 R)
• M22: 19,565,158 km (0.068 R)
• M23: 25,348,162 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 331.8

Radius: 5.3

Gravity: 11.81 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 7.47 AU - 10.83 AU

Year: 19105 Days

Day: 21.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,959,412 km

• M1: 65,973 km (0.093 R)
• M2: 420,669 km (0.095 R)
• M3: 1,858,305 km (0.091 R)
• M4: 2,321,310 km (0.087 R)
• M5: 2,612,428 km (0.117 R)
• M6: 5,236,673 km (0.108 R)
• M7: 7,433,668 km (0.118 R)
• M8: 8,206,191 km (0.074 R)
• M9: 9,593,263 km (0.106 R)
• M10: 10,016,625 km (0.04 R)
• M11: 10,957,595 km (0.043 R)
• M12: 16,260,241 km (0.057 R)
• M13: 20,438,360 km (0.119 R)
• M14: 27,014,383 km (0.105 R)
• M15: 36,378,013 km (0.044 R)
• M16: 49,545,768 km (0.107 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: 216 - 10,734 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit