🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499

Radius: 12.8

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.46 AU - 0.72 AU

Year: 302 Days

Day: 13.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,433,955 km

• M1: 159,172 km (0.067 R)
• M2: 612,753 km (0.101 R)
• M3: 1,413,700 km (0.077 R)
• M4: 1,823,598 km (0.096 R)
• M5: 2,290,493 km (0.094 R)
• M6: 2,809,897 km (0.073 R)
• M7: 3,599,474 km (0.118 R)
• M8: 4,100,478 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281

Radius: 14.4

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.39 AU - 4.93 AU

Year: 6708 Days

Day: 12.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,433,955 km

• M1: 179,368 km (0.109 R)
• M2: 1,837,361 km (0.067 R)
• M3: 2,304,854 km (0.111 R)
• M4: 3,291,452 km (0.112 R)
• M5: 4,192,780 km (0.086 R)
• M6: 4,665,509 km (0.059 R)
• M7: 6,303,157 km (0.105 R)
• M8: 7,023,470 km (0.049 R)
• M9: 7,868,250 km (0.081 R)
• M10: 10,944,879 km (0.088 R)
• M11: 13,045,832 km (0.111 R)
• M12: 14,270,440 km (0.082 R)
• M13: 15,459,145 km (0.063 R)
• M14: 16,771,417 km (0.078 R)
• M15: 17,244,895 km (0.076 R)
• M16: 19,036,628 km (0.115 R)
• M17: 21,638,135 km (0.099 R)
• M18: 23,205,921 km (0.066 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 352.9

Radius: 6.2

Gravity: 9.18 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 5 AU - 7.5 AU

Year: 10420 Days

Day: 19.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,433,955 km

• M1: 77,193 km (0.095 R)
• M2: 292,015 km (0.061 R)
• M3: 538,104 km (0.101 R)
• M4: 861,534 km (0.109 R)
• M5: 1,297,313 km (0.09 R)
• M6: 1,493,585 km (0.119 R)
• M7: 1,993,840 km (0.115 R)
• M8: 2,308,894 km (0.098 R)
• M9: 5,429,655 km (0.088 R)
• M10: 5,912,108 km (0.085 R)
• M11: 6,925,334 km (0.103 R)
• M12: 13,713,038 km (0.095 R)
• M13: 13,947,458 km (0.119 R)
• M14: 17,792,722 km (0.101 R)
• M15: 24,027,961 km (0.091 R)
• M16: 25,147,851 km (0.112 R)
• M17: 27,398,401 km (0.107 R)
• M18: 27,770,601 km (0.107 R)
• M19: 34,299,949 km (0.05 R)
• M20: 35,607,734 km (0.108 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 323.3

Radius: 3.3

Gravity: 29.69 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 5.9 AU - 7.56 AU

Year: 11643 Days

Day: 24.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 109.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,433,955 km

• M1: 42,486 km (0.054 R)
• M2: 391,348 km (0.051 R)
• M3: 530,025 km (0.101 R)
• M4: 880,533 km (0.081 R)
• M5: 1,132,905 km (0.117 R)
• M6: 2,545,557 km (0.094 R)
• M7: 3,032,947 km (0.066 R)
• M8: 4,297,648 km (0.116 R)
• M9: 5,450,299 km (0.074 R)
• M10: 5,977,632 km (0.073 R)
• M11: 7,562,322 km (0.106 R)
• M12: 14,684,377 km (0.084 R)
• M13: 16,291,059 km (0.109 R)
• M14: 24,496,651 km (0.096 R)
• M15: 25,291,166 km (0.049 R)
• M16: 27,118,055 km (0.101 R)
• M17: 36,091,833 km (0.059 R)
• M18: 38,520,105 km (0.095 R)
• M19: 41,178,609 km (0.045 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 81.4

Radius: 7.2

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 8.43 AU - 10.37 AU

Year: 19219 Days

Day: 16.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,433,955 km

• M1: 90,058 km (0.092 R)
• M2: 411,843 km (0.107 R)
• M3: 1,770,790 km (0.115 R)
• M4: 2,067,742 km (0.097 R)
• M5: 4,008,625 km (0.043 R)
• M6: 4,496,912 km (0.104 R)
• M7: 7,033,793 km (0.05 R)
• M8: 7,439,203 km (0.057 R)
• M9: 9,046,482 km (0.108 R)
• M10: 11,364,651 km (0.054 R)
• M11: 12,340,927 km (0.055 R)
• M12: 14,576,966 km (0.113 R)
• M13: 19,544,214 km (0.058 R)
• M14: 24,017,938 km (0.103 R)
• M15: 25,534,113 km (0.069 R)
• M16: 30,560,900 km (0.078 R)
• M17: 31,738,983 km (0.091 R)
• M18: 35,241,219 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 447.1

Radius: 3.8

Gravity: 30.96 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 7.37 AU - 11.77 AU

Year: 19742 Days

Day: 23.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 65,433,955 km

• M1: 47,423 km (0.098 R)
• M2: 178,021 km (0.087 R)
• M3: 305,180 km (0.032 R)
• M4: 1,452,147 km (0.065 R)
• M5: 1,795,174 km (0.079 R)
• M6: 2,271,195 km (0.114 R)
• M7: 3,149,035 km (0.073 R)
• M8: 5,245,949 km (0.051 R)
• M9: 5,392,405 km (0.09 R)
• M10: 5,809,185 km (0.116 R)
• M11: 9,135,493 km (0.101 R)
• M12: 10,748,906 km (0.117 R)
• M13: 12,413,183 km (0.105 R)
• M14: 13,003,945 km (0.111 R)
• M15: 13,820,599 km (0.082 R)
• M16: 18,931,311 km (0.043 R)
• M17: 19,978,496 km (0.101 R)
• M18: 21,341,183 km (0.12 R)
• M19: 21,808,826 km (0.1 R)
• M20: 24,861,670 km (0.107 R)
• M21: 26,329,225 km (0.06 R)
• M22: 27,964,629 km (0.119 R)
• M23: 29,205,992 km (0.108 R)
• M24: 30,014,868 km (0.092 R)
• M25: 35,443,924 km (0.065 R)
• M26: 36,099,462 km (0.109 R)
• M27: 37,299,536 km (0.064 R)
• M28: 37,977,663 km (0.062 R)
• M29: 39,218,877 km (0.045 R)
• M30: 39,920,042 km (0.116 R)
• M31: 43,104,532 km (0.117 R)
• M32: 45,216,854 km (0.103 R)
• M33: 47,397,093 km (0.097 R)
• M34: 50,301,835 km (0.095 R)
• M35: 53,838,030 km (0.05 R)
• M36: 55,754,827 km (0.093 R)
• M37: 59,355,498 km (0.106 R)
• M38: 61,777,338 km (0.098 R)
• M39: 63,491,879 km (0.078 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 225 - 13,918 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit