🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.8

Radius: 12.9

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.66 AU - 1.08 AU

Year: 570 Days

Day: 9.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,639,729 km

• M1: 160,369 km (0.1 R)
• M2: 664,215 km (0.065 R)
• M3: 1,243,308 km (0.072 R)
• M4: 1,727,855 km (0.118 R)
• M5: 2,606,294 km (0.1 R)
• M6: 3,636,724 km (0.077 R)
• M7: 5,078,399 km (0.116 R)
• M8: 5,635,202 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.1

Radius: 8.9

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.77 AU - 0.97 AU

Year: 570 Days

Day: 6.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,639,729 km

• M1: 113,994 km (0.052 R)
• M2: 394,340 km (0.05 R)
• M3: 987,645 km (0.094 R)
• M4: 1,388,119 km (0.09 R)
• M5: 1,684,472 km (0.094 R)
• M6: 2,115,164 km (0.06 R)
• M7: 2,788,804 km (0.105 R)
• M8: 3,382,857 km (0.101 R)
• M9: 3,888,348 km (0.111 R)
• M10: 4,732,678 km (0.119 R)
• M11: 5,462,865 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944

Radius: 10.9

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2 AU - 2.68 AU

Year: 2516 Days

Day: 10.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,639,729 km

• M1: 135,835 km (0.109 R)
• M2: 502,499 km (0.039 R)
• M3: 854,054 km (0.119 R)
• M4: 1,249,441 km (0.091 R)
• M5: 1,910,514 km (0.077 R)
• M6: 2,342,703 km (0.095 R)
• M7: 2,728,815 km (0.028 R)
• M8: 4,607,614 km (0.054 R)
• M9: 6,208,611 km (0.083 R)
• M10: 7,074,932 km (0.102 R)
• M11: 8,730,083 km (0.07 R)
• M12: 10,314,923 km (0.066 R)
• M13: 11,867,898 km (0.063 R)
• M14: 14,432,903 km (0.069 R)
• M15: 16,962,603 km (0.104 R)
• M16: 17,568,774 km (0.114 R)
• M17: 20,139,015 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.5

Radius: 9.7

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.06 AU - 3.26 AU

Year: 3949 Days

Day: 8.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,639,729 km

• M1: 120,576 km (0.1 R)
• M2: 447,597 km (0.092 R)
• M3: 1,233,285 km (0.051 R)
• M4: 1,866,682 km (0.1 R)
• M5: 3,144,846 km (0.066 R)
• M6: 3,773,457 km (0.084 R)
• M7: 4,085,667 km (0.086 R)
• M8: 4,460,709 km (0.11 R)
• M9: 4,955,579 km (0.102 R)
• M10: 5,861,544 km (0.077 R)
• M11: 7,310,399 km (0.097 R)
• M12: 7,965,638 km (0.117 R)
• M13: 9,775,174 km (0.11 R)
• M14: 11,322,614 km (0.108 R)
• M15: 13,358,940 km (0.093 R)
• M16: 14,188,161 km (0.113 R)
• M17: 16,714,720 km (0.104 R)
• M18: 17,677,232 km (0.037 R)
• M19: 22,640,441 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.4

Radius: 11.9

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.14 AU - 3.2 AU

Year: 3967 Days

Day: 8.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,639,729 km

• M1: 147,952 km (0.102 R)
• M2: 696,228 km (0.098 R)
• M3: 1,266,795 km (0.08 R)
• M4: 1,751,791 km (0.104 R)
• M5: 2,166,626 km (0.102 R)
• M6: 2,800,023 km (0.112 R)
• M7: 3,412,776 km (0.09 R)
• M8: 4,296,900 km (0.12 R)
• M9: 4,755,716 km (0.053 R)
• M10: 5,327,779 km (0.119 R)
• M11: 7,769,515 km (0.064 R)
• M12: 8,233,119 km (0.092 R)
• M13: 11,278,483 km (0.087 R)
• M14: 13,327,973 km (0.109 R)
• M15: 14,789,245 km (0.097 R)
• M16: 16,412,532 km (0.059 R)
• M17: 17,538,555 km (0.12 R)
• M18: 19,291,094 km (0.084 R)
• M19: 21,226,143 km (0.112 R)
• M20: 26,665,072 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.2

Radius: 9.9

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.7 AU - 4.06 AU

Year: 4368 Days

Day: 13.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,639,729 km

• M1: 123,119 km (0.1 R)
• M2: 535,560 km (0.09 R)
• M3: 1,156,691 km (0.078 R)
• M4: 1,747,154 km (0.091 R)
• M5: 2,061,159 km (0.097 R)
• M6: 3,442,845 km (0.074 R)
• M7: 4,820,492 km (0.096 R)
• M8: 5,705,962 km (0.105 R)
• M9: 6,502,421 km (0.102 R)
• M10: 7,617,972 km (0.104 R)
• M11: 9,135,493 km (0.072 R)
• M12: 12,016,449 km (0.061 R)
• M13: 13,321,990 km (0.089 R)
• M14: 15,339,466 km (0.092 R)
• M15: 15,684,888 km (0.051 R)
• M16: 18,899,597 km (0.077 R)
• M17: 19,631,878 km (0.116 R)
• M18: 20,383,009 km (0.118 R)
• M19: 24,040,827 km (0.107 R)
• M20: 26,681,229 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.3

Radius: 11.6

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.41 AU - 5.29 AU

Year: 6377 Days

Day: 13.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,639,729 km

• M1: 144,212 km (0.082 R)
• M2: 521,349 km (0.06 R)
• M3: 1,291,628 km (0.112 R)
• M4: 2,057,868 km (0.114 R)
• M5: 2,823,809 km (0.086 R)
• M6: 3,311,498 km (0.054 R)
• M7: 4,794,163 km (0.088 R)
• M8: 5,278,262 km (0.097 R)
• M9: 7,057,728 km (0.034 R)
• M10: 7,483,484 km (0.108 R)
• M11: 8,243,291 km (0.096 R)
• M12: 9,596,853 km (0.043 R)
• M13: 10,962,981 km (0.087 R)
• M14: 15,837,627 km (0.086 R)
• M15: 16,741,797 km (0.11 R)
• M16: 17,265,240 km (0.117 R)
• M17: 20,506,577 km (0.054 R)
• M18: 22,903,883 km (0.107 R)
• M19: 23,476,992 km (0.054 R)
• M20: 24,503,084 km (0.041 R)
• M21: 25,711,984 km (0.051 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 638.9

Radius: 6.8

Gravity: 13.82 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 5.79 AU - 7.81 AU

Year: 12464 Days

Day: 17 Hours

Environment

Temp: -231 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 76,639,729 km

• M1: 100,829 km (0.055 R)
• M2: 379,829 km (0.102 R)
• M3: 920,625 km (0.106 R)
• M4: 1,325,138 km (0.064 R)
• M5: 1,793,379 km (0.087 R)
• M6: 2,327,892 km (0.109 R)
• M7: 3,079,771 km (0.061 R)
• M8: 3,371,786 km (0.105 R)
• M9: 3,602,766 km (0.115 R)
• M10: 3,844,516 km (0.114 R)
• M11: 6,111,372 km (0.1 R)
• M12: 7,611,839 km (0.088 R)
• M13: 8,377,630 km (0.09 R)
• M14: 8,851,407 km (0.075 R)
• M15: 11,094,477 km (0.11 R)
• M16: 15,583,760 km (0.118 R)
• M17: 16,372,889 km (0.118 R)
• M18: 16,666,400 km (0.091 R)
• M19: 17,188,347 km (0.111 R)
• M20: 21,852,659 km (0.035 R)
• M21: 22,658,841 km (0.116 R)
• M22: 23,484,622 km (0.096 R)
• M23: 27,501,923 km (0.064 R)
• M24: 29,726,742 km (0.116 R)
• M25: 30,054,212 km (0.107 R)
• M26: 36,489,763 km (0.114 R)
• M27: 39,302,053 km (0.068 R)
• M28: 39,696,393 km (0.079 R)
• M29: 41,708,036 km (0.09 R)
• M30: 46,224,396 km (0.078 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 744.6

Radius: 6.8

Gravity: 16.1 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 8.98 AU - 9.28 AU

Year: 19392 Days

Day: 20.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 76,639,729 km

• M1: 84,523 km (0.079 R)
• M2: 299,196 km (0.11 R)
• M3: 724,951 km (0.105 R)
• M4: 1,430,156 km (0.068 R)
• M5: 2,030,043 km (0.07 R)
• M6: 2,387,432 km (0.112 R)
• M7: 3,228,172 km (0.08 R)
• M8: 4,696,027 km (0.081 R)
• M9: 6,044,801 km (0.11 R)
• M10: 6,922,043 km (0.102 R)
• M11: 8,498,206 km (0.1 R)
• M12: 12,206,289 km (0.093 R)
• M13: 12,614,092 km (0.106 R)
• M14: 13,242,852 km (0.104 R)
• M15: 14,336,862 km (0.083 R)
• M16: 14,944,229 km (0.027 R)
• M17: 16,620,473 km (0.067 R)
• M18: 18,241,665 km (0.093 R)
• M19: 20,915,129 km (0.114 R)
• M20: 23,109,580 km (0.081 R)
• M21: 24,156,017 km (0.081 R)
• M22: 26,568,731 km (0.066 R)
• M23: 27,950,268 km (0.036 R)
• M24: 28,897,372 km (0.112 R)
• M25: 30,980,971 km (0.115 R)
• M26: 36,274,492 km (0.116 R)
• M27: 39,134,055 km (0.067 R)
• M28: 40,919,954 km (0.045 R)
• M29: 42,294,609 km (0.108 R)
• M30: 43,071,471 km (0.037 R)
• M31: 44,813,987 km (0.109 R)
• M32: 45,621,367 km (0.037 R)
• M33: 45,947,041 km (0.109 R)
• M34: 47,933,551 km (0.037 R)
• M35: 51,019,606 km (0.094 R)
• M36: 56,828,641 km (0.118 R)
• M37: 69,954,358 km (0.099 R)
• M38: 70,387,444 km (0.093 R)
• M39: 73,469,160 km (0.117 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: 272 - 19,577 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit