🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.8

Radius: 8

Gravity: 12.7 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.47 AU - 0.69 AU

Year: 310 Days

Day: 11 Hours

Environment

Temp: -157 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,113,331 km

• M1: 99,483 km (0.063 R)
• M2: 360,680 km (0.114 R)
• M3: 667,057 km (0.05 R)
• M4: 1,068,129 km (0.113 R)
• M5: 1,597,256 km (0.08 R)
• M6: 2,026,752 km (0.09 R)
• M7: 2,299,319 km (0.055 R)
• M8: 2,662,693 km (0.091 R)
• M9: 3,022,176 km (0.068 R)
• M10: 3,645,700 km (0.037 R)
• M11: 4,115,737 km (0.067 R)
• M12: 4,766,637 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.9

Radius: 13.6

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.96 AU - 2.44 AU

Year: 2294 Days

Day: 10.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,113,331 km

• M1: 169,195 km (0.066 R)
• M2: 595,699 km (0.086 R)
• M3: 1,052,720 km (0.114 R)
• M4: 1,496,727 km (0.089 R)
• M5: 1,949,859 km (0.103 R)
• M6: 2,383,842 km (0.055 R)
• M7: 5,943,823 km (0.114 R)
• M8: 7,698,905 km (0.114 R)
• M9: 9,843,241 km (0.049 R)
• M10: 10,616,362 km (0.104 R)
• M11: 11,833,042 km (0.105 R)
• M12: 12,436,969 km (0.046 R)
• M13: 13,706,456 km (0.102 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 145.6

Radius: 6.6

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 5.1 AU - 6 AU

Year: 9191 Days

Day: 18.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 83,113,331 km

• M1: 82,279 km (0.094 R)
• M2: 304,282 km (0.049 R)
• M3: 618,587 km (0.05 R)
• M4: 965,505 km (0.065 R)
• M5: 1,237,922 km (0.083 R)
• M6: 1,447,659 km (0.107 R)
• M7: 1,730,997 km (0.116 R)
• M8: 2,008,950 km (0.086 R)
• M9: 2,506,064 km (0.09 R)
• M10: 3,101,014 km (0.09 R)
• M11: 4,893,047 km (0.111 R)
• M12: 5,153,946 km (0.056 R)
• M13: 5,506,997 km (0.076 R)
• M14: 8,299,690 km (0.113 R)
• M15: 8,899,877 km (0.1 R)
• M16: 10,962,233 km (0.098 R)
• M17: 17,957,280 km (0.084 R)
• M18: 18,832,128 km (0.106 R)
• M19: 19,800,625 km (0.064 R)
• M20: 20,599,178 km (0.087 R)
• M21: 21,696,778 km (0.102 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 841.7

Radius: 6.8

Gravity: 18.2 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 5.45 AU - 8.27 AU

Year: 12630 Days

Day: 15.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 83,113,331 km

• M1: 84,523 km (0.034 R)
• M2: 508,483 km (0.081 R)
• M3: 813,364 km (0.049 R)
• M4: 1,066,184 km (0.117 R)
• M5: 1,330,374 km (0.115 R)
• M6: 2,198,341 km (0.11 R)
• M7: 4,093,447 km (0.1 R)
• M8: 4,554,358 km (0.106 R)
• M9: 5,801,854 km (0.062 R)
• M10: 6,146,378 km (0.052 R)
• M11: 6,834,229 km (0.077 R)
• M12: 7,707,881 km (0.119 R)
• M13: 8,952,236 km (0.076 R)
• M14: 10,436,097 km (0.114 R)
• M15: 12,077,036 km (0.107 R)
• M16: 13,218,468 km (0.041 R)
• M17: 16,383,660 km (0.119 R)
• M18: 17,700,420 km (0.051 R)
• M19: 33,233,466 km (0.03 R)
• M20: 34,459,570 km (0.091 R)
• M21: 36,741,985 km (0.077 R)
• M22: 45,672,679 km (0.113 R)
• M23: 46,425,754 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 791.9

Radius: 7.9

Gravity: 12.69 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 7.53 AU - 11.87 AU

Year: 21236 Days

Day: 22.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 83,113,331 km

• M1: 102,475 km (0.105 R)
• M2: 356,641 km (0.114 R)
• M3: 823,985 km (0.106 R)
• M4: 1,245,851 km (0.079 R)
• M5: 1,643,183 km (0.032 R)
• M6: 1,901,090 km (0.04 R)
• M7: 2,500,229 km (0.075 R)
• M8: 4,168,245 km (0.099 R)
• M9: 6,336,966 km (0.068 R)
• M10: 7,866,454 km (0.094 R)
• M11: 8,231,473 km (0.06 R)
• M12: 9,107,967 km (0.102 R)
• M13: 10,289,491 km (0.107 R)
• M14: 11,371,383 km (0.052 R)
• M15: 13,315,856 km (0.074 R)
• M16: 20,658,868 km (0.117 R)
• M17: 21,962,314 km (0.119 R)
• M18: 23,319,765 km (0.067 R)
• M19: 25,066,170 km (0.113 R)
• M20: 25,856,945 km (0.087 R)
• M21: 28,817,187 km (0.062 R)
• M22: 29,435,176 km (0.099 R)
• M23: 36,110,084 km (0.096 R)
• M24: 36,828,303 km (0.107 R)
• M25: 37,849,907 km (0.081 R)
• M26: 47,222,812 km (0.114 R)
• M27: 50,363,470 km (0.095 R)
• M28: 50,720,859 km (0.037 R)
• M29: 53,455,059 km (0.073 R)
• M30: 54,763,891 km (0.071 R)
• M31: 55,902,780 km (0.119 R)
• M32: 56,285,900 km (0.03 R)
• M33: 59,413,991 km (0.07 R)
• M34: 59,812,969 km (0.113 R)
• M35: 65,800,773 km (0.106 R)
• M36: 68,610,071 km (0.081 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 297 - 15,247 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit