🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.4

Radius: 11.5

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.19 AU - 1.19 AU

Year: 896 Days

Day: 10.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 25,345,232 km

• M1: 143,464 km (0.098 R)
• M2: 515,065 km (0.052 R)
• M3: 1,769,144 km (0.084 R)
• M4: 2,550,494 km (0.066 R)
• M5: 3,079,622 km (0.066 R)
• M6: 3,726,034 km (0.096 R)
• M7: 4,376,486 km (0.071 R)
• M8: 5,444,016 km (0.078 R)
• M9: 5,883,834 km (0.118 R)
• M10: 7,565,164 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.7

Radius: 8.6

Gravity: 11.73 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.37 AU - 2.23 AU

Year: 1667 Days

Day: 10.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 25,345,232 km

• M1: 106,962 km (0.103 R)
• M2: 384,317 km (0.099 R)
• M3: 672,742 km (0.107 R)
• M4: 1,190,051 km (0.108 R)
• M5: 1,685,818 km (0.089 R)
• M6: 2,469,412 km (0.113 R)
• M7: 2,981,037 km (0.054 R)
• M8: 3,426,689 km (0.063 R)
• M9: 4,158,671 km (0.097 R)
• M10: 4,431,239 km (0.105 R)
• M11: 4,947,950 km (0.117 R)
• M12: 5,504,304 km (0.077 R)
• M13: 5,785,847 km (0.088 R)
• M14: 6,101,798 km (0.09 R)
• M15: 6,480,580 km (0.06 R)
• M16: 6,928,775 km (0.089 R)
• M17: 8,155,029 km (0.085 R)
• M18: 8,899,428 km (0.066 R)
• M19: 9,288,233 km (0.045 R)
• M20: 11,105,697 km (0.081 R)
• M21: 12,941,861 km (0.117 R)
• M22: 13,357,145 km (0.034 R)
• M23: 15,199,443 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.8

Radius: 11.1

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.24 AU - 3.28 AU

Year: 3165 Days

Day: 6.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 25,345,232 km

• M1: 142,417 km (0.112 R)
• M2: 1,010,234 km (0.064 R)
• M3: 1,395,000 km (0.097 R)
• M4: 1,809,985 km (0.083 R)
• M5: 2,516,685 km (0.075 R)
• M6: 3,173,569 km (0.041 R)
• M7: 3,980,949 km (0.08 R)
• M8: 4,412,090 km (0.025 R)
• M9: 6,267,403 km (0.088 R)
• M10: 6,625,839 km (0.052 R)
• M11: 7,474,807 km (0.117 R)
• M12: 9,388,762 km (0.093 R)
• M13: 14,019,864 km (0.12 R)
• M14: 17,984,506 km (0.075 R)
• M15: 18,541,459 km (0.074 R)
• M16: 19,052,635 km (0.05 R)
• M17: 19,456,699 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.5

Radius: 10.7

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 4.41 AU - 4.61 AU

Year: 6611 Days

Day: 10.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 25,345,232 km

• M1: 133,142 km (0.047 R)
• M2: 585,526 km (0.054 R)
• M3: 1,104,182 km (0.095 R)
• M4: 2,566,800 km (0.079 R)
• M5: 3,130,784 km (0.078 R)
• M6: 4,303,332 km (0.09 R)
• M7: 6,090,728 km (0.101 R)
• M8: 7,978,354 km (0.099 R)
• M9: 10,273,035 km (0.097 R)
• M10: 11,645,446 km (0.1 R)
• M11: 14,349,428 km (0.111 R)
• M12: 15,938,456 km (0.098 R)
• M13: 18,102,539 km (0.118 R)
• M14: 19,463,281 km (0.102 R)
• M15: 23,794,289 km (0.088 R)
• M16: 24,600,921 km (0.091 R)
• M17: 25,093,547 km (0.112 R)
• M18: 25,676,530 km (0.119 R)
• M19: 27,043,106 km (0.113 R)
• M20: 32,208,870 km (0.053 R)
• M21: 33,295,549 km (0.106 R)
• M22: 33,696,621 km (0.103 R)

Asteroid Belt

Center: 5.13 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 537.6

Radius: 7.2

Gravity: 10.37 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.76 AU - 6.72 AU

Year: 9492 Days

Day: 18.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 25,345,232 km

• M1: 90,357 km (0.093 R)
• M2: 391,198 km (0.104 R)
• M3: 787,932 km (0.095 R)
• M4: 1,346,830 km (0.107 R)
• M5: 2,196,097 km (0.116 R)
• M6: 2,483,773 km (0.11 R)
• M7: 2,715,949 km (0.086 R)
• M8: 2,941,543 km (0.117 R)
• M9: 3,201,993 km (0.082 R)
• M10: 5,910,313 km (0.099 R)
• M11: 6,291,338 km (0.088 R)
• M12: 7,064,311 km (0.104 R)
• M13: 7,335,532 km (0.044 R)
• M14: 10,593,773 km (0.119 R)
• M15: 11,052,739 km (0.063 R)
• M16: 11,365,848 km (0.113 R)
• M17: 15,149,477 km (0.065 R)
• M18: 18,575,867 km (0.092 R)
• M19: 19,243,073 km (0.111 R)
• M20: 19,620,658 km (0.083 R)
• M21: 20,003,180 km (0.119 R)
• M22: 20,546,968 km (0.11 R)
• M23: 21,340,735 km (0.069 R)
• M24: 23,931,770 km (0.067 R)
• M25: 26,538,662 km (0.043 R)
• M26: 27,766,412 km (0.112 R)
• M27: 34,036,657 km (0.087 R)
• M28: 36,857,923 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 10.1

Radius: 4.9

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.87 AU - 7.79 AU

Year: 10993 Days

Day: 16.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 25,345,232 km

• M1: 91,554 km (0.093 R)
• M2: 298,149 km (0.109 R)
• M3: 618,288 km (0.087 R)
• M4: 1,211,444 km (0.082 R)
• M5: 1,544,748 km (0.107 R)
• M6: 4,135,932 km (0.116 R)
• M7: 8,962,857 km (0.046 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 68.5

Radius: 6.9

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 6.38 AU - 7.16 AU

Year: 12159 Days

Day: 23.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 25,345,232 km

• M1: 86,318 km (0.1 R)
• M2: 1,527,245 km (0.112 R)
• M3: 1,891,216 km (0.113 R)
• M4: 2,164,980 km (0.088 R)
• M5: 2,418,399 km (0.086 R)
• M6: 3,094,133 km (0.074 R)
• M7: 3,338,875 km (0.046 R)
• M8: 4,041,237 km (0.105 R)
• M9: 5,065,384 km (0.119 R)
• M10: 5,651,658 km (0.103 R)
• M11: 6,105,837 km (0.089 R)
• M12: 7,086,900 km (0.091 R)
• M13: 8,638,828 km (0.12 R)
• M14: 10,238,777 km (0.091 R)
• M15: 12,539,742 km (0.111 R)
• M16: 13,460,068 km (0.116 R)
• M17: 14,321,004 km (0.111 R)
• M18: 15,598,271 km (0.06 R)
• M19: 19,627,091 km (0.104 R)
• M20: 20,012,754 km (0.052 R)
• M21: 20,403,354 km (0.111 R)
• M22: 23,210,708 km (0.094 R)
• M23: 25,118,530 km (0.058 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 239 - 11,519 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit