🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.9

Radius: 14.5

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.05 AU - 1.11 AU

Year: 748 Days

Day: 13.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,421,094 km

• M1: 180,265 km (0.101 R)
• M2: 708,795 km (0.08 R)
• M3: 1,382,883 km (0.057 R)
• M4: 2,061,907 km (0.116 R)
• M5: 2,528,952 km (0.116 R)
• M6: 3,179,703 km (0.116 R)
• M7: 3,669,935 km (0.1 R)
• M8: 4,169,741 km (0.077 R)
• M9: 5,131,057 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.9

Radius: 12.1

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.47 AU - 1.49 AU

Year: 1201 Days

Day: 13.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,421,094 km

• M1: 150,645 km (0.084 R)
• M2: 594,352 km (0.075 R)
• M3: 1,057,657 km (0.029 R)
• M4: 1,463,965 km (0.118 R)
• M5: 2,141,344 km (0.098 R)
• M6: 2,656,858 km (0.118 R)
• M7: 3,169,979 km (0.039 R)
• M8: 3,578,531 km (0.066 R)
• M9: 4,105,414 km (0.057 R)
• M10: 4,850,711 km (0.083 R)
• M11: 5,580,300 km (0.076 R)
• M12: 7,258,040 km (0.076 R)
• M13: 8,052,853 km (0.045 R)
• M14: 9,279,406 km (0.059 R)
• M15: 10,060,606 km (0.111 R)
• M16: 11,048,850 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.8

Radius: 13.5

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.17 AU - 1.95 AU

Year: 1299 Days

Day: 12.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,421,094 km

• M1: 167,849 km (0.083 R)
• M2: 618,288 km (0.108 R)
• M3: 1,416,692 km (0.116 R)
• M4: 1,914,703 km (0.096 R)
• M5: 2,395,062 km (0.107 R)
• M6: 3,216,653 km (0.099 R)
• M7: 3,771,512 km (0.075 R)
• M8: 4,317,993 km (0.105 R)
• M9: 5,419,332 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.3

Radius: 13.4

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.18 AU - 3.18 AU

Year: 2926 Days

Day: 5.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,421,094 km

• M1: 166,652 km (0.119 R)
• M2: 701,165 km (0.103 R)
• M3: 1,535,772 km (0.1 R)
• M4: 3,261,383 km (0.048 R)
• M5: 3,743,088 km (0.03 R)
• M6: 5,422,773 km (0.117 R)
• M7: 6,254,537 km (0.073 R)
• M8: 8,571,659 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.4

Radius: 13

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.38 AU - 5.2 AU

Year: 5925 Days

Day: 14.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,421,094 km

• M1: 161,715 km (0.119 R)
• M2: 890,706 km (0.103 R)
• M3: 1,574,069 km (0.026 R)
• M4: 2,113,369 km (0.062 R)
• M5: 2,638,906 km (0.118 R)
• M6: 3,591,994 km (0.056 R)
• M7: 4,276,255 km (0.095 R)
• M8: 4,915,786 km (0.12 R)
• M9: 5,646,572 km (0.102 R)
• M10: 6,264,261 km (0.109 R)
• M11: 9,197,277 km (0.057 R)
• M12: 10,786,006 km (0.091 R)
• M13: 11,461,142 km (0.084 R)
• M14: 13,196,627 km (0.098 R)
• M15: 15,492,056 km (0.108 R)
• M16: 17,670,650 km (0.067 R)
• M17: 18,292,977 km (0.112 R)
• M18: 18,801,311 km (0.106 R)
• M19: 23,735,049 km (0.115 R)
• M20: 27,027,249 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 880.5

Radius: 7

Gravity: 17.97 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 6.46 AU - 7.64 AU

Year: 12483 Days

Day: 22.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,421,094 km

• M1: 87,066 km (0.096 R)
• M2: 494,421 km (0.08 R)
• M3: 942,167 km (0.102 R)
• M4: 1,589,178 km (0.054 R)
• M5: 1,990,848 km (0.104 R)
• M6: 2,416,754 km (0.05 R)
• M7: 3,045,065 km (0.049 R)
• M8: 4,006,680 km (0.118 R)
• M9: 4,718,616 km (0.103 R)
• M10: 4,985,199 km (0.077 R)
• M11: 6,676,403 km (0.1 R)
• M12: 7,272,551 km (0.079 R)
• M13: 7,765,326 km (0.08 R)
• M14: 8,184,948 km (0.11 R)
• M15: 8,668,748 km (0.088 R)
• M16: 10,345,740 km (0.065 R)
• M17: 10,682,634 km (0.069 R)
• M18: 12,478,407 km (0.057 R)
• M19: 13,054,209 km (0.12 R)
• M20: 13,849,172 km (0.095 R)
• M21: 14,396,850 km (0.09 R)
• M22: 15,903,301 km (0.088 R)
• M23: 18,725,165 km (0.115 R)
• M24: 21,048,869 km (0.045 R)
• M25: 32,150,976 km (0.109 R)
• M26: 34,088,867 km (0.071 R)
• M27: 35,975,146 km (0.112 R)
• M28: 41,766,230 km (0.087 R)
• M29: 42,620,733 km (0.118 R)
• M30: 45,553,000 km (0.107 R)
• M31: 46,610,358 km (0.117 R)
• M32: 51,652,704 km (0.034 R)
• M33: 55,322,789 km (0.085 R)
• M34: 57,221,335 km (0.085 R)
• M35: 58,806,624 km (0.099 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 182 - 10,433 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit