🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.4

Radius: 8

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.56 AU - 0.66 AU

Year: 318 Days

Day: 14.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,980,637 km

• M1: 101,128 km (0.092 R)
• M2: 361,578 km (0.11 R)
• M3: 645,515 km (0.083 R)
• M4: 932,743 km (0.082 R)
• M5: 1,281,605 km (0.118 R)
• M6: 1,576,313 km (0.051 R)
• M7: 1,852,171 km (0.05 R)
• M8: 2,111,424 km (0.118 R)
• M9: 2,582,059 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.4

Radius: 14.9

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.08 AU - 1.44 AU

Year: 943 Days

Day: 12.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,980,637 km

• M1: 185,352 km (0.075 R)
• M2: 652,097 km (0.081 R)
• M3: 1,240,166 km (0.058 R)
• M4: 2,406,282 km (0.097 R)
• M5: 2,879,011 km (0.106 R)
• M6: 3,730,073 km (0.057 R)
• M7: 4,527,580 km (0.118 R)
• M8: 5,139,884 km (0.087 R)
• M9: 5,807,389 km (0.062 R)
• M10: 7,719,400 km (0.106 R)
• M11: 8,514,512 km (0.107 R)
• M12: 9,160,775 km (0.041 R)
• M13: 10,647,180 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 1000

Radius: 9.9

Gravity: 10.2 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.77 AU - 2.29 AU

Year: 1929 Days

Day: 7.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,980,637 km

• M1: 123,269 km (0.12 R)
• M2: 489,933 km (0.06 R)
• M3: 882,927 km (0.088 R)
• M4: 1,242,710 km (0.046 R)
• M5: 1,755,082 km (0.095 R)
• M6: 2,192,656 km (0.066 R)
• M7: 3,090,094 km (0.101 R)
• M8: 3,461,844 km (0.076 R)
• M9: 4,075,944 km (0.098 R)
• M10: 4,588,316 km (0.098 R)
• M11: 5,692,498 km (0.098 R)
• M12: 6,097,310 km (0.096 R)
• M13: 6,548,497 km (0.111 R)
• M14: 7,223,333 km (0.118 R)
• M15: 7,698,606 km (0.079 R)
• M16: 8,099,977 km (0.095 R)
• M17: 11,913,376 km (0.057 R)
• M18: 12,662,113 km (0.119 R)
• M19: 13,266,040 km (0.115 R)
• M20: 13,753,879 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.8

Radius: 11.1

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.96 AU - 3.16 AU

Year: 2731 Days

Day: 5 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,980,637 km

• M1: 142,567 km (0.069 R)
• M2: 614,099 km (0.068 R)
• M3: 1,168,509 km (0.117 R)
• M4: 1,674,599 km (0.069 R)
• M5: 2,153,761 km (0.08 R)
• M6: 2,723,429 km (0.101 R)
• M7: 4,104,966 km (0.074 R)
• M8: 5,555,018 km (0.105 R)
• M9: 6,464,722 km (0.05 R)
• M10: 7,807,962 km (0.083 R)
• M11: 8,711,982 km (0.081 R)
• M12: 12,051,604 km (0.097 R)
• M13: 12,731,377 km (0.105 R)
• M14: 14,121,141 km (0.091 R)
• M15: 16,520,542 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.4

Radius: 14.2

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.74 AU - 3.22 AU

Year: 3430 Days

Day: 6 Hours

Environment

Temp: -206 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,980,637 km

• M1: 177,573 km (0.111 R)
• M2: 688,300 km (0.095 R)
• M3: 1,247,497 km (0.104 R)
• M4: 1,801,757 km (0.04 R)
• M5: 3,633,433 km (0.073 R)
• M6: 4,077,589 km (0.025 R)
• M7: 5,077,053 km (0.1 R)
• M8: 5,608,873 km (0.068 R)
• M9: 6,725,771 km (0.039 R)
• M10: 8,086,662 km (0.062 R)
• M11: 10,971,807 km (0.085 R)
• M12: 15,351,434 km (0.118 R)
• M13: 15,824,014 km (0.093 R)
• M14: 20,336,634 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.8

Radius: 10.9

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.87 AU - 3.19 AU

Year: 3517 Days

Day: 11 Hours

Environment

Temp: -221 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,980,637 km

• M1: 135,536 km (0.089 R)
• M2: 586,573 km (0.094 R)
• M3: 971,040 km (0.109 R)
• M4: 1,739,374 km (0.115 R)
• M5: 3,272,453 km (0.112 R)
• M6: 3,725,137 km (0.103 R)
• M7: 4,260,697 km (0.071 R)
• M8: 4,757,063 km (0.106 R)
• M9: 5,291,576 km (0.118 R)
• M10: 6,262,316 km (0.101 R)
• M11: 6,905,288 km (0.083 R)
• M12: 7,840,873 km (0.084 R)
• M13: 8,655,434 km (0.044 R)
• M14: 9,453,688 km (0.065 R)
• M15: 10,074,669 km (0.098 R)
• M16: 13,055,406 km (0.097 R)
• M17: 13,825,835 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.6

Radius: 13.3

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 4.79 AU - 4.91 AU

Year: 7123 Days

Day: 10.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,980,637 km

• M1: 165,455 km (0.109 R)
• M2: 651,648 km (0.118 R)
• M3: 1,537,567 km (0.115 R)
• M4: 2,194,900 km (0.116 R)
• M5: 2,698,895 km (0.102 R)
• M6: 5,972,246 km (0.038 R)
• M7: 8,849,911 km (0.08 R)
• M8: 9,972,643 km (0.071 R)
• M9: 11,008,608 km (0.084 R)
• M10: 13,345,476 km (0.062 R)
• M11: 16,577,090 km (0.054 R)
• M12: 17,052,212 km (0.07 R)
• M13: 19,173,809 km (0.062 R)
• M14: 25,551,915 km (0.089 R)
• M15: 27,076,317 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 359.1

Radius: 6.9

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 7.72 AU - 10.84 AU

Year: 18852 Days

Day: 15.5 Hours

Environment

Temp: -243 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 58,980,637 km

• M1: 85,869 km (0.09 R)
• M2: 355,145 km (0.117 R)
• M3: 600,635 km (0.045 R)
• M4: 1,406,519 km (0.074 R)
• M5: 2,483,325 km (0.111 R)
• M6: 4,204,598 km (0.097 R)
• M7: 4,575,002 km (0.091 R)
• M8: 6,722,031 km (0.106 R)
• M9: 9,155,090 km (0.087 R)
• M10: 10,992,751 km (0.044 R)
• M11: 11,517,540 km (0.109 R)
• M12: 12,934,681 km (0.102 R)
• M13: 13,257,513 km (0.114 R)
• M14: 14,742,272 km (0.07 R)
• M15: 15,165,634 km (0.059 R)
• M16: 15,597,224 km (0.071 R)
• M17: 17,641,030 km (0.028 R)
• M18: 17,878,591 km (0.093 R)
• M19: 18,360,147 km (0.068 R)
• M20: 19,433,362 km (0.107 R)
• M21: 20,028,163 km (0.12 R)
• M22: 25,231,476 km (0.045 R)
• M23: 26,246,647 km (0.048 R)
• M24: 28,142,052 km (0.105 R)
• M25: 32,677,411 km (0.071 R)
• M26: 34,127,613 km (0.074 R)
• M27: 34,373,402 km (0.095 R)
• M28: 38,734,629 km (0.071 R)
• M29: 42,877,143 km (0.099 R)
• M30: 43,306,938 km (0.038 R)
• M31: 49,945,643 km (0.108 R)
• M32: 52,846,196 km (0.036 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 408 - 18,410 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit