🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.6

Radius: 11.2

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.12 AU - 1.36 AU

Year: 971 Days

Day: 8.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,484,850 km

• M1: 140,921 km (0.033 R)
• M2: 518,057 km (0.105 R)
• M3: 2,496,040 km (0.095 R)
• M4: 3,231,912 km (0.113 R)
• M5: 3,706,287 km (0.104 R)
• M6: 5,168,008 km (0.085 R)
• M7: 6,876,715 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.1

Radius: 14.9

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.72 AU - 4.34 AU

Year: 5687 Days

Day: 12.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,484,850 km

• M1: 185,501 km (0.099 R)
• M2: 787,184 km (0.103 R)
• M3: 1,340,098 km (0.104 R)
• M4: 2,002,218 km (0.09 R)
• M5: 2,814,086 km (0.081 R)
• M6: 3,397,667 km (0.078 R)
• M7: 3,918,118 km (0.095 R)
• M8: 4,672,689 km (0.108 R)
• M9: 5,269,735 km (0.118 R)
• M10: 5,837,010 km (0.115 R)
• M11: 6,303,306 km (0.053 R)
• M12: 7,985,834 km (0.045 R)
• M13: 8,666,653 km (0.112 R)
• M14: 10,262,414 km (0.088 R)
• M15: 12,400,317 km (0.036 R)
• M16: 16,492,118 km (0.075 R)
• M17: 19,531,648 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.2

Radius: 11.3

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.05 AU - 4.31 AU

Year: 6007 Days

Day: 12.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,484,850 km

• M1: 141,370 km (0.099 R)
• M2: 1,411,905 km (0.083 R)
• M3: 2,247,858 km (0.065 R)
• M4: 3,429,830 km (0.098 R)
• M5: 3,990,673 km (0.06 R)
• M6: 4,637,983 km (0.097 R)
• M7: 5,861,245 km (0.102 R)
• M8: 7,725,084 km (0.095 R)
• M9: 9,999,271 km (0.063 R)
• M10: 10,539,469 km (0.072 R)
• M11: 11,727,276 km (0.035 R)
• M12: 13,920,531 km (0.119 R)
• M13: 15,055,679 km (0.082 R)
• M14: 16,007,421 km (0.089 R)
• M15: 18,831,679 km (0.117 R)
• M16: 26,200,272 km (0.08 R)
• M17: 30,098,792 km (0.072 R)
• M18: 32,283,071 km (0.117 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 240.4

Radius: 3.9

Gravity: 15.81 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 4.79 AU - 7.33 AU

Year: 10486 Days

Day: 16.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,484,850 km

• M1: 49,218 km (0.118 R)
• M2: 335,698 km (0.098 R)
• M3: 536,308 km (0.115 R)
• M4: 682,465 km (0.114 R)
• M5: 1,244,804 km (0.034 R)
• M6: 1,504,506 km (0.096 R)
• M7: 2,742,578 km (0.073 R)
• M8: 4,224,195 km (0.045 R)
• M9: 8,313,902 km (0.062 R)
• M10: 8,638,529 km (0.061 R)
• M11: 9,098,542 km (0.081 R)
• M12: 12,574,150 km (0.092 R)
• M13: 18,227,753 km (0.106 R)
• M14: 19,902,650 km (0.116 R)
• M15: 20,483,090 km (0.042 R)
• M16: 22,369,370 km (0.074 R)
• M17: 23,878,064 km (0.097 R)
• M18: 26,050,674 km (0.084 R)
• M19: 30,401,279 km (0.09 R)
• M20: 32,051,344 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 698.6

Radius: 3.4

Gravity: 60.43 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 4.87 AU - 7.39 AU

Year: 10668 Days

Day: 24.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 47,484,850 km

• M1: 42,336 km (0.052 R)
• M2: 321,336 km (0.098 R)
• M3: 515,065 km (0.115 R)
• M4: 755,619 km (0.098 R)
• M5: 1,232,088 km (0.059 R)
• M6: 1,414,897 km (0.042 R)
• M7: 1,738,327 km (0.109 R)
• M8: 1,867,580 km (0.111 R)
• M9: 2,530,298 km (0.115 R)
• M10: 2,782,371 km (0.114 R)
• M11: 3,215,457 km (0.093 R)
• M12: 4,567,971 km (0.109 R)
• M13: 5,201,518 km (0.051 R)
• M14: 6,758,233 km (0.046 R)
• M15: 6,877,313 km (0.058 R)
• M16: 7,038,131 km (0.103 R)
• M17: 8,280,093 km (0.076 R)
• M18: 10,274,681 km (0.094 R)
• M19: 12,330,455 km (0.116 R)
• M20: 12,808,420 km (0.094 R)
• M21: 13,174,935 km (0.1 R)
• M22: 19,382,050 km (0.049 R)
• M23: 20,355,633 km (0.11 R)
• M24: 24,389,838 km (0.042 R)
• M25: 24,763,983 km (0.107 R)
• M26: 25,619,683 km (0.083 R)
• M27: 27,189,263 km (0.109 R)
• M28: 32,844,661 km (0.108 R)
• M29: 47,414,746 km (0.095 R)
• M30: 49,325,111 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 208.5

Radius: 3.1

Gravity: 21.7 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 8.29 AU - 10.53 AU

Year: 20291 Days

Day: 24.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 47,484,850 km

• M1: 39,494 km (0.075 R)
• M2: 177,273 km (0.099 R)
• M3: 700,268 km (0.115 R)
• M4: 1,184,366 km (0.031 R)
• M5: 1,432,848 km (0.044 R)
• M6: 1,699,133 km (0.094 R)
• M7: 3,809,959 km (0.109 R)
• M8: 4,681,665 km (0.091 R)
• M9: 5,966,262 km (0.085 R)
• M10: 6,928,925 km (0.116 R)
• M11: 7,091,986 km (0.059 R)
• M12: 9,352,260 km (0.043 R)
• M13: 9,958,431 km (0.077 R)
• M14: 10,698,043 km (0.115 R)
• M15: 14,154,502 km (0.093 R)
• M16: 16,347,158 km (0.105 R)
• M17: 16,709,035 km (0.058 R)
• M18: 21,477,018 km (0.117 R)
• M19: 23,430,168 km (0.101 R)
• M20: 26,576,959 km (0.072 R)
• M21: 32,655,121 km (0.066 R)
• M22: 32,883,706 km (0.093 R)
• M23: 35,469,506 km (0.097 R)
• M24: 40,908,286 km (0.107 R)
• M25: 42,248,084 km (0.106 R)
• M26: 42,519,604 km (0.057 R)
• M27: 46,298,746 km (0.052 R)
• M28: 47,460,074 km (0.084 R)
• M29: 48,195,647 km (0.104 R)
• M30: 49,538,736 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 153.3

Radius: 7.6

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 8.53 AU - 10.63 AU

Year: 20843 Days

Day: 21.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,484,850 km

• M1: 94,546 km (0.116 R)
• M2: 424,708 km (0.061 R)
• M3: 1,214,884 km (0.103 R)
• M4: 2,214,647 km (0.086 R)
• M5: 2,736,145 km (0.104 R)
• M6: 3,104,754 km (0.082 R)
• M7: 3,481,591 km (0.093 R)
• M8: 3,995,310 km (0.108 R)
• M9: 4,647,407 km (0.071 R)
• M10: 5,173,394 km (0.106 R)
• M11: 9,778,016 km (0.049 R)
• M12: 10,026,797 km (0.067 R)
• M13: 15,260,030 km (0.096 R)
• M14: 15,866,649 km (0.11 R)
• M15: 16,629,599 km (0.053 R)
• M16: 18,079,351 km (0.077 R)
• M17: 18,454,543 km (0.11 R)
• M18: 20,652,285 km (0.094 R)
• M19: 21,729,839 km (0.069 R)
• M20: 23,726,970 km (0.099 R)
• M21: 34,069,419 km (0.115 R)
• M22: 35,806,550 km (0.103 R)
• M23: 36,996,750 km (0.114 R)
• M24: 44,018,725 km (0.089 R)
• M25: 45,938,065 km (0.114 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: 287 - 19,382 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit