🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.3

Radius: 14.9

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.53 AU - 0.83 AU

Year: 380 Days

Day: 10 Hours

Environment

Temp: -151 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 57,155,730 km

• M1: 185,352 km (0.111 R)
• M2: 899,831 km (0.05 R)
• M3: 1,631,664 km (0.068 R)
• M4: 2,200,734 km (0.098 R)
• M5: 2,760,081 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.2

Radius: 12.3

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.69 AU - 1.01 AU

Year: 532 Days

Day: 12.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,155,730 km

• M1: 153,039 km (0.088 R)
• M2: 670,049 km (0.084 R)
• M3: 1,194,838 km (0.118 R)
• M4: 1,748,350 km (0.072 R)
• M5: 2,247,708 km (0.089 R)
• M6: 2,873,476 km (0.053 R)
• M7: 3,428,783 km (0.117 R)
• M8: 3,855,586 km (0.075 R)
• M9: 4,666,556 km (0.111 R)
• M10: 5,672,751 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.8

Radius: 13.9

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.2 AU - 1.8 AU

Year: 1246 Days

Day: 12.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,155,730 km

• M1: 172,935 km (0.094 R)
• M2: 1,309,131 km (0.113 R)
• M3: 1,907,672 km (0.108 R)
• M4: 2,363,347 km (0.09 R)
• M5: 2,945,582 km (0.101 R)
• M6: 3,440,452 km (0.049 R)
• M7: 7,248,765 km (0.062 R)
• M8: 8,941,614 km (0.066 R)
• M9: 9,440,673 km (0.11 R)
• M10: 10,114,013 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.8

Radius: 12.2

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.41 AU - 1.71 AU

Year: 1322 Days

Day: 14.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 93.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,155,730 km

• M1: 151,692 km (0.11 R)
• M2: 568,771 km (0.078 R)
• M3: 1,080,845 km (0.086 R)
• M4: 1,654,104 km (0.111 R)
• M5: 2,122,495 km (0.096 R)
• M6: 2,518,181 km (0.12 R)
• M7: 3,567,760 km (0.105 R)
• M8: 4,283,436 km (0.086 R)
• M9: 5,144,072 km (0.055 R)
• M10: 5,717,481 km (0.089 R)
• M11: 6,453,652 km (0.094 R)
• M12: 7,584,612 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.8

Radius: 10.4

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.63 AU - 3.69 AU

Year: 3810 Days

Day: 11.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,155,730 km

• M1: 129,701 km (0.113 R)
• M2: 496,515 km (0.101 R)
• M3: 851,062 km (0.107 R)
• M4: 1,750,744 km (0.115 R)
• M5: 2,222,875 km (0.12 R)
• M6: 2,593,129 km (0.1 R)
• M7: 3,051,198 km (0.095 R)
• M8: 3,632,984 km (0.118 R)
• M9: 3,997,554 km (0.064 R)
• M10: 4,843,979 km (0.095 R)
• M11: 5,287,088 km (0.07 R)
• M12: 6,862,653 km (0.097 R)
• M13: 8,104,165 km (0.077 R)
• M14: 8,444,650 km (0.039 R)
• M15: 9,388,164 km (0.118 R)
• M16: 10,078,857 km (0.088 R)
• M17: 10,545,752 km (0.115 R)
• M18: 11,102,256 km (0.066 R)
• M19: 11,795,942 km (0.088 R)
• M20: 15,093,528 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 911.7

Radius: 6.8

Gravity: 19.72 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 5.4 AU - 8.1 AU

Year: 11895 Days

Day: 17.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 57,155,730 km

• M1: 84,672 km (0.043 R)
• M2: 601,234 km (0.08 R)
• M3: 964,457 km (0.065 R)
• M4: 1,541,008 km (0.102 R)
• M5: 1,931,907 km (0.067 R)
• M6: 2,819,321 km (0.116 R)
• M7: 3,302,223 km (0.089 R)
• M8: 3,782,881 km (0.102 R)
• M9: 4,916,235 km (0.077 R)
• M10: 5,363,532 km (0.118 R)
• M11: 5,913,005 km (0.116 R)
• M12: 6,419,095 km (0.102 R)
• M13: 7,080,916 km (0.08 R)
• M14: 7,296,935 km (0.079 R)
• M15: 8,735,468 km (0.115 R)
• M16: 12,039,487 km (0.081 R)
• M17: 14,035,272 km (0.104 R)
• M18: 15,004,966 km (0.027 R)
• M19: 19,082,405 km (0.106 R)
• M20: 21,598,791 km (0.114 R)
• M21: 22,515,527 km (0.041 R)
• M22: 23,172,411 km (0.051 R)
• M23: 23,745,520 km (0.115 R)
• M24: 26,858,652 km (0.113 R)
• M25: 28,895,427 km (0.096 R)
• M26: 32,081,114 km (0.109 R)
• M27: 32,435,810 km (0.094 R)
• M28: 35,872,971 km (0.101 R)
• M29: 44,331,983 km (0.079 R)
• M30: 44,772,100 km (0.086 R)
• M31: 47,626,876 km (0.039 R)
• M32: 54,363,268 km (0.101 R)
• M33: 55,544,493 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 435.2

Radius: 3.7

Gravity: 31.79 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.68 AU - 10 AU

Year: 16336 Days

Day: 16.9 Hours

Environment

Temp: -243 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 57,155,730 km

• M1: 46,375 km (0.111 R)
• M2: 202,705 km (0.087 R)
• M3: 357,389 km (0.084 R)
• M4: 806,333 km (0.103 R)
• M5: 1,497,325 km (0.091 R)
• M6: 1,865,186 km (0.113 R)
• M7: 3,009,760 km (0.037 R)
• M8: 3,179,703 km (0.104 R)
• M9: 3,839,878 km (0.119 R)
• M10: 4,430,042 km (0.118 R)
• M11: 5,078,549 km (0.03 R)
• M12: 6,322,455 km (0.062 R)
• M13: 6,601,754 km (0.091 R)
• M14: 7,056,980 km (0.093 R)
• M15: 7,937,962 km (0.045 R)
• M16: 10,237,431 km (0.082 R)
• M17: 13,072,760 km (0.109 R)
• M18: 13,656,790 km (0.077 R)
• M19: 13,789,034 km (0.104 R)
• M20: 15,441,941 km (0.106 R)
• M21: 15,875,027 km (0.107 R)
• M22: 18,003,206 km (0.108 R)
• M23: 19,972,363 km (0.071 R)
• M24: 20,313,895 km (0.086 R)
• M25: 23,376,462 km (0.116 R)
• M26: 32,347,847 km (0.073 R)
• M27: 33,174,973 km (0.076 R)
• M28: 34,016,162 km (0.096 R)
• M29: 35,866,538 km (0.094 R)
• M30: 40,306,603 km (0.119 R)
• M31: 41,817,990 km (0.114 R)
• M32: 47,631,962 km (0.105 R)
• M33: 49,165,191 km (0.115 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: 178 - 19,973 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit