🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.7

Radius: 15

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.71 AU - 0.77 AU

Year: 411 Days

Day: 14.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,444,748 km

• M1: 186,549 km (0.09 R)
• M2: 657,632 km (0.111 R)
• M3: 1,274,125 km (0.045 R)
• M4: 1,825,094 km (0.073 R)
• M5: 2,713,705 km (0.118 R)
• M6: 3,184,490 km (0.059 R)
• M7: 3,824,918 km (0.093 R)
• M8: 4,579,789 km (0.105 R)
• M9: 5,548,286 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.6

Radius: 10.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 4.14 AU - 5.78 AU

Year: 7132 Days

Day: 10.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,444,748 km

• M1: 128,056 km (0.054 R)
• M2: 449,392 km (0.043 R)
• M3: 1,130,960 km (0.076 R)
• M4: 1,544,299 km (0.036 R)
• M5: 2,006,706 km (0.115 R)
• M6: 2,545,109 km (0.107 R)
• M7: 2,889,932 km (0.099 R)
• M8: 3,466,332 km (0.103 R)
• M9: 4,138,625 km (0.108 R)
• M10: 4,506,337 km (0.111 R)
• M11: 5,433,245 km (0.066 R)
• M12: 6,626,138 km (0.056 R)
• M13: 7,222,884 km (0.12 R)
• M14: 8,084,867 km (0.101 R)
• M15: 9,486,151 km (0.095 R)
• M16: 10,051,182 km (0.031 R)
• M17: 13,266,190 km (0.113 R)
• M18: 15,258,085 km (0.12 R)
• M19: 16,782,188 km (0.058 R)
• M20: 17,330,614 km (0.083 R)
• M21: 20,315,391 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.4

Radius: 8.1

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 4.79 AU - 5.51 AU

Year: 7546 Days

Day: 13.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 34,444,748 km

• M1: 100,829 km (0.109 R)
• M2: 400,473 km (0.102 R)
• M3: 785,090 km (0.066 R)
• M4: 1,194,389 km (0.12 R)
• M5: 1,942,379 km (0.109 R)
• M6: 2,480,482 km (0.098 R)
• M7: 2,991,509 km (0.12 R)
• M8: 3,304,767 km (0.12 R)
• M9: 4,096,738 km (0.09 R)
• M10: 4,672,989 km (0.12 R)
• M11: 5,038,157 km (0.093 R)
• M12: 5,392,106 km (0.094 R)
• M13: 5,731,094 km (0.081 R)
• M14: 8,152,336 km (0.109 R)
• M15: 8,892,546 km (0.074 R)
• M16: 10,601,403 km (0.109 R)
• M17: 11,036,284 km (0.112 R)
• M18: 12,201,502 km (0.095 R)
• M19: 12,625,462 km (0.116 R)
• M20: 15,134,966 km (0.112 R)
• M21: 16,699,910 km (0.051 R)
• M22: 19,638,909 km (0.072 R)
• M23: 21,651,001 km (0.109 R)
• M24: 22,667,069 km (0.049 R)
• M25: 23,307,947 km (0.097 R)
• M26: 24,709,978 km (0.094 R)
• M27: 25,646,461 km (0.085 R)
• M28: 27,319,713 km (0.079 R)
• M29: 27,590,335 km (0.105 R)
• M30: 28,505,575 km (0.109 R)
• M31: 30,107,768 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.5

Radius: 13.9

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.37 AU - 6.81 AU

Year: 8534 Days

Day: 8.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 34,444,748 km

• M1: 172,935 km (0.051 R)
• M2: 650,751 km (0.12 R)
• M3: 1,159,982 km (0.074 R)
• M4: 2,001,620 km (0.109 R)
• M5: 2,687,675 km (0.115 R)
• M6: 3,138,563 km (0.114 R)
• M7: 4,195,771 km (0.111 R)
• M8: 5,601,393 km (0.036 R)
• M9: 6,412,812 km (0.094 R)
• M10: 7,227,372 km (0.093 R)
• M11: 10,182,229 km (0.091 R)
• M12: 13,077,247 km (0.102 R)
• M13: 13,523,498 km (0.078 R)
• M14: 17,468,992 km (0.112 R)
• M15: 18,079,501 km (0.077 R)
• M16: 19,486,918 km (0.088 R)
• M17: 23,405,634 km (0.048 R)
• M18: 23,981,586 km (0.112 R)
• M19: 26,380,837 km (0.105 R)
• M20: 28,841,871 km (0.059 R)
• M21: 29,314,002 km (0.063 R)
• M22: 32,559,977 km (0.095 R)
• M23: 33,278,196 km (0.073 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 134.6

Radius: 6.3

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.15 AU - 9.21 AU

Year: 13742 Days

Day: 18.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,444,748 km

• M1: 78,988 km (0.076 R)
• M2: 490,980 km (0.112 R)
• M3: 717,920 km (0.082 R)
• M4: 1,193,941 km (0.098 R)
• M5: 1,564,495 km (0.054 R)
• M6: 2,261,321 km (0.096 R)
• M7: 2,588,342 km (0.117 R)
• M8: 3,358,472 km (0.119 R)
• M9: 4,196,220 km (0.055 R)
• M10: 4,425,853 km (0.096 R)
• M11: 4,827,374 km (0.073 R)
• M12: 5,340,943 km (0.114 R)
• M13: 5,641,485 km (0.095 R)
• M14: 6,113,616 km (0.078 R)
• M15: 6,993,850 km (0.068 R)
• M16: 10,184,773 km (0.068 R)
• M17: 11,967,381 km (0.091 R)
• M18: 16,702,602 km (0.116 R)
• M19: 21,407,904 km (0.108 R)
• M20: 28,079,371 km (0.104 R)
• M21: 29,080,480 km (0.086 R)
• M22: 30,865,182 km (0.083 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 20,121 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit