🌌 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: 113.7

Radius: 9.3

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.64 AU - 0.72 AU

Year: 394 Days

Day: 9.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 41,356,235 km

• M1: 115,639 km (0.038 R)
• M2: 582,983 km (0.032 R)
• M3: 936,782 km (0.104 R)
• M4: 1,319,603 km (0.119 R)
• M5: 1,769,892 km (0.11 R)
• M6: 2,819,621 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.2

Radius: 11.4

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.58 AU - 2.96 AU

Year: 3241 Days

Day: 12.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,356,235 km

• M1: 141,819 km (0.067 R)
• M2: 609,611 km (0.077 R)
• M3: 1,010,833 km (0.1 R)
• M4: 1,560,156 km (0.115 R)
• M5: 2,805,558 km (0.116 R)
• M6: 3,361,913 km (0.117 R)
• M7: 3,948,037 km (0.04 R)
• M8: 4,696,625 km (0.1 R)
• M9: 5,510,587 km (0.119 R)
• M10: 6,386,632 km (0.112 R)
• M11: 8,521,992 km (0.104 R)
• M12: 9,265,494 km (0.065 R)
• M13: 13,696,732 km (0.108 R)
• M14: 15,622,954 km (0.107 R)
• M15: 18,261,711 km (0.106 R)
• M16: 21,722,957 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.5

Radius: 11.2

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.16 AU - 3.54 AU

Year: 3382 Days

Day: 12.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,356,235 km

• M1: 139,575 km (0.096 R)
• M2: 600,187 km (0.079 R)
• M3: 1,009,786 km (0.12 R)
• M4: 1,500,766 km (0.09 R)
• M5: 2,337,616 km (0.053 R)
• M6: 3,121,509 km (0.066 R)
• M7: 3,775,701 km (0.076 R)
• M8: 5,734,086 km (0.104 R)
• M9: 6,176,298 km (0.067 R)
• M10: 6,792,641 km (0.049 R)
• M11: 7,234,852 km (0.12 R)
• M12: 8,235,213 km (0.055 R)
• M13: 8,618,333 km (0.1 R)
• M14: 9,199,820 km (0.112 R)
• M15: 9,644,724 km (0.114 R)
• M16: 10,339,158 km (0.089 R)
• M17: 12,936,177 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.7

Radius: 10.8

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.96 AU - 5.48 AU

Year: 7208 Days

Day: 10.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 41,356,235 km

• M1: 134,339 km (0.049 R)
• M2: 625,618 km (0.051 R)
• M3: 1,011,431 km (0.083 R)
• M4: 1,660,237 km (0.076 R)
• M5: 2,218,686 km (0.026 R)
• M6: 3,828,210 km (0.04 R)
• M7: 4,412,988 km (0.099 R)
• M8: 6,169,865 km (0.03 R)
• M9: 7,698,456 km (0.031 R)
• M10: 8,958,968 km (0.078 R)
• M11: 10,215,739 km (0.09 R)
• M12: 12,445,196 km (0.064 R)
• M13: 13,728,896 km (0.084 R)
• M14: 14,402,834 km (0.09 R)
• M15: 20,037,737 km (0.037 R)
• M16: 22,329,277 km (0.111 R)
• M17: 28,225,977 km (0.104 R)
• M18: 30,244,950 km (0.095 R)
• M19: 31,289,741 km (0.119 R)
• M20: 32,851,992 km (0.046 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931

Radius: 10.4

Gravity: 8.61 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.9 AU - 5.86 AU

Year: 7578 Days

Day: 12.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 41,356,235 km

• M1: 129,402 km (0.097 R)
• M2: 585,227 km (0.041 R)
• M3: 1,491,640 km (0.045 R)
• M4: 2,032,137 km (0.032 R)
• M5: 2,620,805 km (0.097 R)
• M6: 2,987,918 km (0.115 R)
• M7: 3,928,889 km (0.113 R)
• M8: 4,440,364 km (0.085 R)
• M9: 5,026,040 km (0.076 R)
• M10: 6,000,670 km (0.03 R)
• M11: 7,058,028 km (0.075 R)
• M12: 9,258,612 km (0.059 R)
• M13: 9,776,969 km (0.115 R)
• M14: 10,166,073 km (0.103 R)
• M15: 10,820,414 km (0.107 R)
• M16: 15,878,019 km (0.091 R)
• M17: 18,766,903 km (0.078 R)
• M18: 20,217,554 km (0.081 R)
• M19: 21,010,423 km (0.1 R)
• M20: 22,489,646 km (0.115 R)
• M21: 24,747,377 km (0.115 R)
• M22: 26,772,185 km (0.103 R)
• M23: 28,019,382 km (0.113 R)
• M24: 31,149,269 km (0.088 R)
• M25: 32,313,738 km (0.032 R)
• M26: 33,287,770 km (0.094 R)
• M27: 39,059,256 km (0.082 R)
• M28: 41,290,508 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 148.9

Radius: 6.4

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.84 AU - 8.04 AU

Year: 11488 Days

Day: 18.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,356,235 km

• M1: 86,468 km (0.062 R)
• M2: 742,604 km (0.085 R)
• M3: 1,112,859 km (0.096 R)
• M4: 1,907,223 km (0.067 R)
• M5: 2,128,179 km (0.108 R)
• M6: 3,480,394 km (0.118 R)
• M7: 4,694,830 km (0.102 R)
• M8: 5,240,563 km (0.113 R)
• M9: 5,470,345 km (0.057 R)
• M10: 7,741,241 km (0.094 R)
• M11: 8,039,689 km (0.077 R)
• M12: 9,063,088 km (0.117 R)
• M13: 10,711,058 km (0.036 R)
• M14: 13,065,878 km (0.117 R)
• M15: 13,382,577 km (0.082 R)
• M16: 16,652,038 km (0.111 R)
• M17: 17,212,731 km (0.065 R)
• M18: 19,444,731 km (0.081 R)
• M19: 23,998,939 km (0.055 R)
• M20: 25,198,714 km (0.113 R)
• M21: 26,437,833 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813.3

Radius: 6.2

Gravity: 21.16 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 7.79 AU - 8.53 AU

Year: 16385 Days

Day: 20.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 41,356,235 km

• M1: 135,685 km (0.062 R)
• M2: 607,667 km (0.105 R)
• M3: 827,426 km (0.047 R)
• M4: 3,475,607 km (0.092 R)
• M5: 3,974,217 km (0.038 R)
• M6: 5,524,649 km (0.113 R)
• M7: 5,718,827 km (0.108 R)
• M8: 6,846,795 km (0.082 R)
• M9: 7,439,801 km (0.117 R)
• M10: 8,520,496 km (0.05 R)
• M11: 10,449,411 km (0.057 R)
• M12: 12,518,350 km (0.085 R)
• M13: 18,985,466 km (0.077 R)
• M14: 21,844,879 km (0.066 R)
• M15: 22,233,535 km (0.12 R)
• M16: 26,378,144 km (0.103 R)
• M17: 27,489,207 km (0.08 R)
• M18: 28,863,413 km (0.113 R)
• M19: 33,774,412 km (0.064 R)
• M20: 34,294,115 km (0.075 R)
• M21: 36,290,648 km (0.118 R)
• M22: 43,811,382 km (0.061 R)
• M23: 51,275,119 km (0.117 R)
• M24: 54,057,639 km (0.116 R)
• M25: 61,644,047 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 110.7

Radius: 7.4

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 7.75 AU - 10.85 AU

Year: 19936 Days

Day: 15.7 Hours

Environment

Temp: -244 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,356,235 km

• M1: 94,845 km (0.116 R)
• M2: 328,667 km (0.075 R)
• M3: 1,657,245 km (0.089 R)
• M4: 2,915,214 km (0.116 R)
• M5: 4,187,544 km (0.088 R)
• M6: 5,728,402 km (0.072 R)
• M7: 6,131,568 km (0.084 R)
• M8: 8,395,582 km (0.081 R)
• M9: 11,216,250 km (0.098 R)
• M10: 12,009,268 km (0.089 R)
• M11: 17,361,431 km (0.112 R)
• M12: 19,299,920 km (0.115 R)
• M13: 21,698,274 km (0.102 R)
• M14: 22,184,317 km (0.072 R)
• M15: 22,677,691 km (0.109 R)
• M16: 29,774,315 km (0.109 R)
• M17: 32,223,980 km (0.082 R)
• M18: 34,584,634 km (0.12 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: 412 - 11,533 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit