🌌 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: 220.8

Radius: 12.3

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.74 AU - 0.74 AU

Year: 439 Days

Day: 11.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,395,977 km

• M1: 153,188 km (0.105 R)
• M2: 633,697 km (0.092 R)
• M3: 1,110,166 km (0.115 R)
• M4: 1,723,517 km (0.078 R)
• M5: 2,110,078 km (0.034 R)
• M6: 2,828,447 km (0.062 R)
• M7: 3,362,661 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.6

Radius: 14.4

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.17 AU - 1.35 AU

Year: 976 Days

Day: 13.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 134.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,395,977 km

• M1: 179,069 km (0.062 R)
• M2: 719,865 km (0.12 R)
• M3: 1,250,788 km (0.102 R)
• M4: 1,707,061 km (0.034 R)
• M5: 2,199,388 km (0.103 R)
• M6: 2,697,250 km (0.103 R)
• M7: 3,656,322 km (0.038 R)
• M8: 4,441,112 km (0.06 R)
• M9: 5,647,619 km (0.056 R)
• M10: 6,762,123 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.8

Radius: 14.2

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.18 AU - 1.8 AU

Year: 1255 Days

Day: 12.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,395,977 km

• M1: 176,974 km (0.079 R)
• M2: 1,017,864 km (0.116 R)
• M3: 2,205,970 km (0.111 R)
• M4: 3,089,794 km (0.095 R)
• M5: 3,792,156 km (0.104 R)
• M6: 5,457,181 km (0.082 R)
• M7: 6,419,693 km (0.117 R)
• M8: 7,097,970 km (0.095 R)
• M9: 7,772,208 km (0.11 R)
• M10: 8,543,684 km (0.052 R)
• M11: 9,901,883 km (0.113 R)
• M12: 10,395,855 km (0.066 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 317.5

Radius: 7.5

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 6.12 AU - 6.62 AU

Year: 11097 Days

Day: 18.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 61,395,977 km

• M1: 93,349 km (0.039 R)
• M2: 344,374 km (0.089 R)
• M3: 608,115 km (0.073 R)
• M4: 865,424 km (0.111 R)
• M5: 1,263,653 km (0.037 R)
• M6: 1,558,062 km (0.055 R)
• M7: 2,038,121 km (0.072 R)
• M8: 2,410,321 km (0.092 R)
• M9: 3,780,787 km (0.111 R)
• M10: 4,507,683 km (0.097 R)
• M11: 6,765,414 km (0.083 R)
• M12: 10,987,216 km (0.044 R)
• M13: 11,240,485 km (0.114 R)
• M14: 11,653,973 km (0.077 R)
• M15: 12,347,509 km (0.034 R)
• M16: 14,411,361 km (0.06 R)
• M17: 15,588,397 km (0.111 R)
• M18: 15,973,163 km (0.047 R)
• M19: 17,301,293 km (0.102 R)
• M20: 19,577,125 km (0.104 R)
• M21: 19,949,923 km (0.119 R)
• M22: 21,646,662 km (0.072 R)
• M23: 23,022,065 km (0.112 R)
• M24: 23,353,873 km (0.082 R)
• M25: 25,945,806 km (0.118 R)
• M26: 26,486,153 km (0.027 R)
• M27: 27,218,435 km (0.105 R)
• M28: 31,387,279 km (0.106 R)
• M29: 31,898,006 km (0.09 R)
• M30: 33,569,762 km (0.117 R)
• M31: 34,752,483 km (0.115 R)
• M32: 35,079,803 km (0.093 R)
• M33: 39,169,659 km (0.027 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 583.5

Radius: 6.4

Gravity: 14.25 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 6.64 AU - 9.42 AU

Year: 15707 Days

Day: 15.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 61,395,977 km

• M1: 79,885 km (0.059 R)
• M2: 299,196 km (0.109 R)
• M3: 600,187 km (0.077 R)
• M4: 1,233,584 km (0.068 R)
• M5: 2,597,468 km (0.042 R)
• M6: 3,524,526 km (0.051 R)
• M7: 3,887,301 km (0.06 R)
• M8: 5,057,455 km (0.098 R)
• M9: 5,893,558 km (0.109 R)
• M10: 6,165,377 km (0.109 R)
• M11: 7,790,160 km (0.106 R)
• M12: 8,213,222 km (0.078 R)
• M13: 8,454,823 km (0.102 R)
• M14: 8,952,236 km (0.096 R)
• M15: 9,627,820 km (0.089 R)
• M16: 10,170,262 km (0.085 R)
• M17: 10,963,579 km (0.071 R)
• M18: 12,355,288 km (0.098 R)
• M19: 17,389,256 km (0.077 R)
• M20: 26,468,202 km (0.081 R)
• M21: 27,638,506 km (0.103 R)
• M22: 28,842,918 km (0.116 R)
• M23: 31,828,144 km (0.107 R)
• M24: 33,150,739 km (0.099 R)
• M25: 35,012,933 km (0.061 R)
• M26: 37,602,771 km (0.091 R)
• M27: 37,868,607 km (0.111 R)
• M28: 38,269,678 km (0.097 R)
• M29: 41,580,728 km (0.112 R)
• M30: 46,285,880 km (0.049 R)
• M31: 48,294,531 km (0.053 R)
• M32: 51,007,937 km (0.051 R)
• M33: 60,663,133 km (0.071 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 347 - 20,188 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit