🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.2

Radius: 8.4

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.7 AU - 1.02 AU

Year: 515 Days

Day: 14.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,233,602 km

• M1: 104,419 km (0.049 R)
• M2: 447,298 km (0.074 R)
• M3: 746,793 km (0.114 R)
• M4: 1,012,628 km (0.101 R)
• M5: 1,451,698 km (0.088 R)
• M6: 1,798,765 km (0.099 R)
• M7: 2,354,072 km (0.06 R)
• M8: 3,855,287 km (0.116 R)
• M9: 4,134,287 km (0.114 R)
• M10: 4,398,177 km (0.066 R)
• M11: 5,242,657 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.8

Radius: 9.7

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.32 AU - 1.7 AU

Year: 1198 Days

Day: 14 Hours

Environment

Temp: -181 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,233,602 km

• M1: 122,969 km (0.027 R)
• M2: 426,504 km (0.103 R)
• M3: 892,800 km (0.069 R)
• M4: 1,197,232 km (0.105 R)
• M5: 1,511,686 km (0.102 R)
• M6: 2,249,952 km (0.109 R)
• M7: 4,231,077 km (0.044 R)
• M8: 4,644,266 km (0.05 R)
• M9: 5,115,499 km (0.09 R)
• M10: 5,518,516 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.6

Radius: 8.3

Gravity: 14.26 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.54 AU - 1.72 AU

Year: 1344 Days

Day: 5.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,233,602 km

• M1: 103,223 km (0.069 R)
• M2: 362,326 km (0.117 R)
• M3: 623,075 km (0.108 R)
• M4: 1,052,421 km (0.073 R)
• M5: 2,015,083 km (0.075 R)
• M6: 2,807,653 km (0.077 R)
• M7: 3,707,933 km (0.057 R)
• M8: 4,023,285 km (0.054 R)
• M9: 4,413,736 km (0.103 R)
• M10: 4,911,448 km (0.099 R)
• M11: 5,535,121 km (0.12 R)
• M12: 7,724,486 km (0.117 R)
• M13: 8,388,102 km (0.116 R)
• M14: 8,871,752 km (0.116 R)
• M15: 9,151,949 km (0.09 R)
• M16: 9,795,669 km (0.069 R)
• M17: 10,332,276 km (0.082 R)
• M18: 10,747,261 km (0.078 R)
• M19: 12,250,121 km (0.118 R)
• M20: 12,833,403 km (0.103 R)
• M21: 13,763,453 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.5

Radius: 13

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.79 AU - 2.13 AU

Year: 1772 Days

Day: 7.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,233,602 km

• M1: 165,306 km (0.059 R)
• M2: 573,857 km (0.115 R)
• M3: 1,248,544 km (0.081 R)
• M4: 2,536,432 km (0.08 R)
• M5: 2,979,840 km (0.046 R)
• M6: 3,743,238 km (0.114 R)
• M7: 4,437,073 km (0.094 R)
• M8: 5,346,030 km (0.067 R)
• M9: 6,178,990 km (0.116 R)
• M10: 6,601,455 km (0.038 R)
• M11: 7,096,624 km (0.041 R)
• M12: 7,560,676 km (0.106 R)
• M13: 8,074,096 km (0.093 R)
• M14: 8,489,380 km (0.056 R)
• M15: 9,044,388 km (0.085 R)
• M16: 10,330,331 km (0.041 R)
• M17: 11,399,807 km (0.04 R)
• M18: 13,181,368 km (0.101 R)
• M19: 14,787,750 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.8

Radius: 13

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.54 AU - 2.72 AU

Year: 2754 Days

Day: 10.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,233,602 km

• M1: 161,865 km (0.092 R)
• M2: 693,536 km (0.068 R)
• M3: 1,334,862 km (0.095 R)
• M4: 2,139,250 km (0.094 R)
• M5: 2,705,328 km (0.106 R)
• M6: 3,534,399 km (0.096 R)
• M7: 3,958,659 km (0.058 R)
• M8: 4,659,674 km (0.06 R)
• M9: 5,268,987 km (0.101 R)
• M10: 5,773,580 km (0.053 R)
• M11: 6,200,233 km (0.116 R)
• M12: 9,257,415 km (0.085 R)
• M13: 10,377,604 km (0.057 R)
• M14: 14,042,603 km (0.11 R)
• M15: 14,475,389 km (0.101 R)
• M16: 15,879,066 km (0.095 R)
• M17: 17,536,910 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.7

Radius: 11.6

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.03 AU - 3.97 AU

Year: 4228 Days

Day: 13.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,233,602 km

• M1: 148,850 km (0.115 R)
• M2: 803,191 km (0.077 R)
• M3: 1,694,196 km (0.055 R)
• M4: 2,177,098 km (0.083 R)
• M5: 2,602,704 km (0.064 R)
• M6: 3,308,058 km (0.107 R)
• M7: 4,249,627 km (0.046 R)
• M8: 4,648,903 km (0.076 R)
• M9: 5,361,737 km (0.109 R)
• M10: 6,204,721 km (0.076 R)
• M11: 7,430,227 km (0.093 R)
• M12: 7,907,444 km (0.062 R)
• M13: 8,773,317 km (0.096 R)
• M14: 11,347,148 km (0.049 R)
• M15: 17,753,079 km (0.055 R)
• M16: 19,554,087 km (0.1 R)
• M17: 20,664,851 km (0.085 R)
• M18: 21,679,275 km (0.066 R)
• M19: 22,655,999 km (0.066 R)
• M20: 24,998,103 km (0.109 R)
• M21: 25,839,292 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 384.1

Radius: 3.1

Gravity: 39.97 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 8.97 AU - 10.91 AU

Year: 20235 Days

Day: 18.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,233,602 km

• M1: 39,793 km (0.085 R)
• M2: 231,278 km (0.043 R)
• M3: 445,203 km (0.113 R)
• M4: 869,164 km (0.03 R)
• M5: 1,201,271 km (0.109 R)
• M6: 2,330,286 km (0.078 R)
• M7: 2,478,837 km (0.051 R)
• M8: 2,701,887 km (0.117 R)
• M9: 3,111,486 km (0.112 R)
• M10: 4,113,493 km (0.038 R)
• M11: 4,299,144 km (0.112 R)
• M12: 11,376,170 km (0.086 R)
• M13: 15,245,968 km (0.1 R)
• M14: 18,960,333 km (0.059 R)
• M15: 19,821,568 km (0.12 R)
• M16: 19,996,897 km (0.08 R)
• M17: 20,439,707 km (0.07 R)
• M18: 22,656,747 km (0.092 R)
• M19: 33,004,881 km (0.11 R)
• M20: 35,266,052 km (0.047 R)
• M21: 38,848,173 km (0.114 R)
• M22: 48,768,008 km (0.087 R)
• M23: 53,369,340 km (0.072 R)
• M24: 54,735,318 km (0.059 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 259 - 20,202 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit