🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.5

Radius: 9.4

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.65 AU - 0.75 AU

Year: 397 Days

Day: 7.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,811,550 km

• M1: 117,135 km (0.099 R)
• M2: 470,784 km (0.114 R)
• M3: 1,089,820 km (0.089 R)
• M4: 1,475,484 km (0.119 R)
• M5: 1,905,428 km (0.059 R)
• M6: 2,222,875 km (0.066 R)
• M7: 2,527,606 km (0.108 R)
• M8: 2,843,108 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.6

Radius: 12.5

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.73 AU - 1.19 AU

Year: 638 Days

Day: 7.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,811,550 km

• M1: 155,432 km (0.116 R)
• M2: 594,203 km (0.04 R)
• M3: 1,057,358 km (0.103 R)
• M4: 1,644,081 km (0.061 R)
• M5: 3,389,589 km (0.119 R)
• M6: 4,015,805 km (0.036 R)
• M7: 4,650,998 km (0.074 R)
• M8: 5,242,657 km (0.108 R)
• M9: 6,641,248 km (0.081 R)
• M10: 8,054,349 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.4

Radius: 9.8

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.07 AU - 1.21 AU

Year: 826 Days

Day: 13.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,811,550 km

• M1: 121,922 km (0.069 R)
• M2: 440,715 km (0.114 R)
• M3: 932,444 km (0.091 R)
• M4: 1,261,409 km (0.113 R)
• M5: 1,998,628 km (0.104 R)
• M6: 2,480,333 km (0.071 R)
• M7: 3,102,061 km (0.119 R)
• M8: 3,945,045 km (0.074 R)
• M9: 4,436,923 km (0.1 R)
• M10: 5,877,252 km (0.08 R)
• M11: 6,244,963 km (0.12 R)
• M12: 7,371,136 km (0.097 R)
• M13: 8,069,010 km (0.078 R)
• M14: 8,679,519 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339

Radius: 9.2

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.51 AU - 3.85 AU

Year: 3846 Days

Day: 12.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 34,811,550 km

• M1: 114,442 km (0.095 R)
• M2: 502,499 km (0.109 R)
• M3: 904,918 km (0.085 R)
• M4: 1,602,193 km (0.096 R)
• M5: 1,943,426 km (0.043 R)
• M6: 2,278,226 km (0.086 R)
• M7: 3,559,831 km (0.06 R)
• M8: 5,514,327 km (0.077 R)
• M9: 5,924,973 km (0.086 R)
• M10: 8,128,251 km (0.113 R)
• M11: 8,970,636 km (0.111 R)
• M12: 9,795,818 km (0.104 R)
• M13: 10,246,108 km (0.073 R)
• M14: 10,867,837 km (0.057 R)
• M15: 11,805,366 km (0.088 R)
• M16: 14,600,453 km (0.104 R)
• M17: 15,387,787 km (0.095 R)
• M18: 16,048,112 km (0.079 R)
• M19: 16,674,328 km (0.111 R)
• M20: 17,643,872 km (0.045 R)
• M21: 18,142,631 km (0.097 R)
• M22: 19,168,274 km (0.086 R)
• M23: 19,518,483 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.2

Radius: 13.1

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.69 AU - 4.31 AU

Year: 5426 Days

Day: 8.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,811,550 km

• M1: 162,912 km (0.062 R)
• M2: 759,658 km (0.065 R)
• M3: 1,209,948 km (0.109 R)
• M4: 1,857,258 km (0.097 R)
• M5: 2,399,999 km (0.079 R)
• M6: 2,894,120 km (0.052 R)
• M7: 4,042,733 km (0.093 R)
• M8: 5,563,844 km (0.12 R)
• M9: 7,438,006 km (0.109 R)
• M10: 7,956,662 km (0.109 R)
• M11: 11,495,250 km (0.081 R)
• M12: 13,177,179 km (0.104 R)
• M13: 14,161,084 km (0.081 R)
• M14: 15,848,548 km (0.072 R)
• M15: 17,343,330 km (0.086 R)
• M16: 18,390,964 km (0.113 R)
• M17: 19,829,347 km (0.057 R)
• M18: 21,937,331 km (0.07 R)
• M19: 25,664,861 km (0.088 R)
• M20: 29,795,258 km (0.081 R)
• M21: 31,969,663 km (0.094 R)
• M22: 32,456,006 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.9

Radius: 8.3

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.82 AU - 4.9 AU

Year: 7267 Days

Day: 13.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 34,811,550 km

• M1: 104,719 km (0.114 R)
• M2: 393,592 km (0.119 R)
• M3: 786,436 km (0.077 R)
• M4: 1,059,153 km (0.072 R)
• M5: 1,373,308 km (0.028 R)
• M6: 1,736,083 km (0.097 R)
• M7: 2,619,908 km (0.118 R)
• M8: 2,999,737 km (0.111 R)
• M9: 4,136,830 km (0.041 R)
• M10: 5,783,902 km (0.113 R)
• M11: 6,701,536 km (0.048 R)
• M12: 7,195,358 km (0.048 R)
• M13: 7,827,409 km (0.114 R)
• M14: 9,678,982 km (0.116 R)
• M15: 10,777,629 km (0.112 R)
• M16: 11,308,103 km (0.101 R)
• M17: 11,855,781 km (0.035 R)
• M18: 13,439,574 km (0.084 R)
• M19: 13,941,026 km (0.04 R)
• M20: 14,512,789 km (0.118 R)
• M21: 14,804,504 km (0.059 R)
• M22: 16,196,961 km (0.094 R)
• M23: 18,961,530 km (0.068 R)
• M24: 19,592,534 km (0.103 R)
• M25: 20,237,301 km (0.117 R)
• M26: 21,645,017 km (0.029 R)
• M27: 23,196,047 km (0.108 R)
• M28: 25,405,608 km (0.084 R)
• M29: 26,691,850 km (0.074 R)
• M30: 28,473,860 km (0.09 R)
• M31: 30,238,816 km (0.104 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: 156 - 16,985 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit