🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.7

Radius: 12.9

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.69 AU - 0.85 AU

Year: 430 Days

Day: 7.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,223,673 km

• M1: 160,369 km (0.084 R)
• M2: 649,704 km (0.057 R)
• M3: 1,077,703 km (0.058 R)
• M4: 1,546,244 km (0.073 R)
• M5: 2,024,059 km (0.105 R)
• M6: 2,681,542 km (0.09 R)
• M7: 3,134,973 km (0.114 R)
• M8: 3,639,716 km (0.102 R)
• M9: 4,513,966 km (0.066 R)
• M10: 4,954,083 km (0.082 R)
• M11: 5,694,144 km (0.042 R)

Asteroid Belt

Center: 1.04 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.5

Radius: 12.6

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.02 AU - 1.6 AU

Year: 953 Days

Day: 8.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,223,673 km

• M1: 156,779 km (0.079 R)
• M2: 627,862 km (0.104 R)
• M3: 1,100,143 km (0.098 R)
• M4: 1,524,851 km (0.085 R)
• M5: 1,992,195 km (0.068 R)
• M6: 2,673,164 km (0.066 R)
• M7: 3,418,611 km (0.046 R)
• M8: 3,895,229 km (0.112 R)
• M9: 4,450,237 km (0.055 R)
• M10: 4,891,551 km (0.119 R)
• M11: 5,578,804 km (0.049 R)
• M12: 6,959,143 km (0.101 R)
• M13: 7,385,647 km (0.103 R)
• M14: 8,109,701 km (0.093 R)
• M15: 9,073,859 km (0.042 R)
• M16: 9,993,587 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.7

Radius: 11.6

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.17 AU - 3.09 AU

Year: 2712 Days

Day: 6.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,223,673 km

• M1: 144,512 km (0.06 R)
• M2: 548,127 km (0.116 R)
• M3: 968,945 km (0.081 R)
• M4: 1,507,498 km (0.103 R)
• M5: 2,830,691 km (0.053 R)
• M6: 3,268,265 km (0.066 R)
• M7: 3,869,050 km (0.03 R)
• M8: 4,654,139 km (0.097 R)
• M9: 5,619,345 km (0.089 R)
• M10: 7,528,363 km (0.109 R)
• M11: 8,544,432 km (0.03 R)
• M12: 10,411,713 km (0.106 R)
• M13: 11,337,275 km (0.112 R)
• M14: 13,725,305 km (0.099 R)
• M15: 14,689,314 km (0.096 R)
• M16: 18,021,906 km (0.063 R)
• M17: 20,197,957 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.3

Radius: 14.5

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 4.78 AU - 5.96 AU

Year: 7912 Days

Day: 5.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,223,673 km

• M1: 180,415 km (0.118 R)
• M2: 633,846 km (0.112 R)
• M3: 1,265,598 km (0.103 R)
• M4: 1,831,676 km (0.089 R)
• M5: 2,619,758 km (0.069 R)
• M6: 3,997,554 km (0.077 R)
• M7: 4,875,395 km (0.068 R)
• M8: 6,530,097 km (0.052 R)
• M9: 7,523,576 km (0.062 R)
• M10: 7,979,251 km (0.048 R)
• M11: 8,615,641 km (0.105 R)
• M12: 9,242,755 km (0.076 R)
• M13: 9,945,266 km (0.086 R)
• M14: 13,446,006 km (0.116 R)
• M15: 14,406,724 km (0.066 R)
• M16: 15,112,078 km (0.069 R)
• M17: 15,840,320 km (0.045 R)
• M18: 17,630,857 km (0.066 R)
• M19: 18,301,953 km (0.079 R)
• M20: 24,135,971 km (0.105 R)
• M21: 25,300,291 km (0.08 R)
• M22: 25,810,719 km (0.07 R)
• M23: 31,494,391 km (0.069 R)
• M24: 34,108,165 km (0.068 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 346.2

Radius: 4.1

Gravity: 20.59 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 5.29 AU - 6.95 AU

Year: 9626 Days

Day: 15.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 37,223,673 km

• M1: 51,013 km (0.107 R)
• M2: 638,783 km (0.092 R)
• M3: 815,608 km (0.1 R)
• M4: 986,000 km (0.052 R)
• M5: 2,307,248 km (0.094 R)
• M6: 2,447,870 km (0.119 R)
• M7: 3,282,776 km (0.047 R)
• M8: 3,812,651 km (0.107 R)
• M9: 4,187,693 km (0.086 R)
• M10: 4,953,036 km (0.112 R)
• M11: 5,460,771 km (0.078 R)
• M12: 8,201,404 km (0.107 R)
• M13: 11,687,782 km (0.12 R)
• M14: 13,076,350 km (0.083 R)
• M15: 13,355,500 km (0.104 R)
• M16: 13,925,617 km (0.108 R)
• M17: 14,334,169 km (0.113 R)
• M18: 14,630,971 km (0.098 R)
• M19: 15,298,177 km (0.106 R)
• M20: 15,733,208 km (0.101 R)
• M21: 16,889,600 km (0.115 R)
• M22: 19,298,275 km (0.082 R)
• M23: 19,952,766 km (0.106 R)
• M24: 21,537,157 km (0.101 R)
• M25: 24,613,786 km (0.097 R)
• M26: 25,124,962 km (0.063 R)
• M27: 25,904,816 km (0.064 R)
• M28: 27,149,919 km (0.066 R)
• M29: 29,376,085 km (0.038 R)
• M30: 31,821,412 km (0.117 R)
• M31: 33,559,440 km (0.059 R)
• M32: 34,398,983 km (0.071 R)
• M33: 36,448,474 km (0.113 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 15,840 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit