🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.2

Radius: 11.1

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.91 AU - 1.09 AU

Year: 678 Days

Day: 13.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,118,916 km

• M1: 138,079 km (0.086 R)
• M2: 550,819 km (0.118 R)
• M3: 899,382 km (0.039 R)
• M4: 1,919,041 km (0.1 R)
• M5: 2,409,423 km (0.118 R)
• M6: 3,218,149 km (0.102 R)
• M7: 3,644,354 km (0.067 R)
• M8: 4,033,009 km (0.12 R)
• M9: 5,479,022 km (0.1 R)
• M10: 6,188,864 km (0.076 R)
• M11: 6,576,771 km (0.113 R)
• M12: 7,469,422 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.5

Radius: 12

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.44 AU - 1.44 AU

Year: 1172 Days

Day: 13.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,118,916 km

• M1: 149,299 km (0.059 R)
• M2: 589,565 km (0.109 R)
• M3: 1,377,048 km (0.033 R)
• M4: 1,804,749 km (0.061 R)
• M5: 2,201,033 km (0.117 R)
• M6: 2,793,740 km (0.102 R)
• M7: 3,224,881 km (0.113 R)
• M8: 4,206,991 km (0.083 R)
• M9: 4,592,206 km (0.093 R)
• M10: 6,564,654 km (0.11 R)
• M11: 7,869,596 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.1

Radius: 14.6

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.04 AU - 3.06 AU

Year: 3613 Days

Day: 8.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,118,916 km

• M1: 181,612 km (0.093 R)
• M2: 709,543 km (0.117 R)
• M3: 1,426,117 km (0.105 R)
• M4: 2,278,376 km (0.07 R)
• M5: 2,943,936 km (0.028 R)
• M6: 3,551,603 km (0.11 R)
• M7: 4,039,442 km (0.104 R)
• M8: 4,793,415 km (0.064 R)
• M9: 5,337,951 km (0.11 R)
• M10: 6,614,470 km (0.097 R)
• M11: 8,709,887 km (0.101 R)
• M12: 9,766,647 km (0.082 R)
• M13: 10,560,413 km (0.067 R)
• M14: 13,152,196 km (0.093 R)
• M15: 14,068,633 km (0.103 R)
• M16: 15,411,573 km (0.084 R)
• M17: 18,918,296 km (0.069 R)
• M18: 19,822,765 km (0.109 R)
• M19: 21,440,068 km (0.093 R)
• M20: 22,210,048 km (0.078 R)
• M21: 22,853,618 km (0.116 R)
• M22: 24,783,281 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.9

Radius: 12.8

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.99 AU - 4.98 AU

Year: 5385 Days

Day: 9 Hours

Environment

Temp: -222 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,118,916 km

• M1: 160,070 km (0.114 R)
• M2: 1,113,457 km (0.101 R)
• M3: 1,651,411 km (0.085 R)
• M4: 2,331,333 km (0.114 R)
• M5: 3,082,614 km (0.107 R)
• M6: 3,716,609 km (0.102 R)
• M7: 4,793,265 km (0.056 R)
• M8: 5,247,145 km (0.107 R)
• M9: 5,953,546 km (0.086 R)
• M10: 6,784,413 km (0.111 R)
• M11: 7,490,216 km (0.094 R)
• M12: 8,209,183 km (0.081 R)
• M13: 8,676,976 km (0.118 R)
• M14: 9,824,840 km (0.084 R)
• M15: 12,798,547 km (0.073 R)
• M16: 14,594,619 km (0.075 R)
• M17: 16,838,437 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.1

Radius: 8.6

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.63 AU - 4.43 AU

Year: 5487 Days

Day: 8.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,118,916 km

• M1: 107,112 km (0.051 R)
• M2: 671,395 km (0.101 R)
• M3: 1,159,383 km (0.067 R)
• M4: 1,856,659 km (0.06 R)
• M5: 2,379,803 km (0.079 R)
• M6: 3,214,559 km (0.09 R)
• M7: 3,906,449 km (0.065 R)
• M8: 5,241,161 km (0.088 R)
• M9: 6,140,394 km (0.088 R)
• M10: 6,611,927 km (0.108 R)
• M11: 7,627,247 km (0.045 R)
• M12: 10,615,764 km (0.108 R)
• M13: 12,930,342 km (0.112 R)
• M14: 16,438,562 km (0.076 R)
• M15: 17,174,883 km (0.051 R)
• M16: 17,463,756 km (0.066 R)
• M17: 18,652,162 km (0.089 R)
• M18: 19,578,322 km (0.113 R)
• M19: 22,129,265 km (0.095 R)
• M20: 23,307,498 km (0.103 R)

Asteroid Belt

Center: 4.29 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.6

Radius: 9.4

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.97 AU - 5.13 AU

Year: 6583 Days

Day: 8 Hours

Environment

Temp: -231 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,118,916 km

• M1: 117,584 km (0.058 R)
• M2: 439,369 km (0.055 R)
• M3: 828,623 km (0.118 R)
• M4: 1,300,604 km (0.097 R)
• M5: 1,605,933 km (0.104 R)
• M6: 2,348,986 km (0.112 R)
• M7: 2,865,098 km (0.084 R)
• M8: 4,713,829 km (0.078 R)
• M9: 5,966,711 km (0.095 R)
• M10: 6,320,211 km (0.104 R)
• M11: 6,859,362 km (0.055 R)
• M12: 11,877,921 km (0.073 R)
• M13: 12,181,605 km (0.035 R)
• M14: 12,857,488 km (0.08 R)
• M15: 14,455,193 km (0.086 R)
• M16: 15,631,482 km (0.103 R)
• M17: 18,918,446 km (0.062 R)
• M18: 19,683,340 km (0.109 R)
• M19: 22,178,483 km (0.083 R)
• M20: 22,485,158 km (0.107 R)
• M21: 26,219,720 km (0.111 R)
• M22: 27,787,206 km (0.073 R)
• M23: 28,233,457 km (0.029 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257.7

Radius: 5

Gravity: 10.31 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 6.13 AU - 6.77 AU

Year: 11110 Days

Day: 16.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 37,118,916 km

• M1: 62,233 km (0.075 R)
• M2: 222,602 km (0.064 R)
• M3: 537,056 km (0.096 R)
• M4: 783,444 km (0.045 R)
• M5: 1,092,962 km (0.086 R)
• M6: 1,570,628 km (0.119 R)
• M7: 2,691,714 km (0.069 R)
• M8: 2,866,894 km (0.104 R)
• M9: 4,084,022 km (0.116 R)
• M10: 4,395,185 km (0.064 R)
• M11: 5,333,014 km (0.089 R)
• M12: 5,641,784 km (0.103 R)
• M13: 6,500,476 km (0.082 R)
• M14: 8,349,805 km (0.119 R)
• M15: 8,639,875 km (0.107 R)
• M16: 8,936,678 km (0.069 R)
• M17: 12,664,058 km (0.12 R)
• M18: 13,213,382 km (0.089 R)
• M19: 13,437,629 km (0.094 R)
• M20: 16,587,412 km (0.058 R)
• M21: 18,471,747 km (0.092 R)
• M22: 20,270,661 km (0.118 R)
• M23: 20,870,100 km (0.114 R)
• M24: 21,947,504 km (0.104 R)
• M25: 22,899,993 km (0.1 R)
• M26: 26,451,148 km (0.061 R)
• M27: 27,438,344 km (0.076 R)
• M28: 29,677,076 km (0.041 R)
• M29: 31,136,553 km (0.108 R)
• M30: 31,533,586 km (0.112 R)
• M31: 35,368,527 km (0.067 R)
• M32: 36,455,954 km (0.08 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 190 - 10,806 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit