🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.2

Radius: 10.3

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.8 AU - 0.84 AU

Year: 487 Days

Day: 14.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 27,674,302 km

• M1: 128,056 km (0.083 R)
• M2: 461,061 km (0.08 R)
• M3: 860,038 km (0.118 R)
• M4: 1,487,900 km (0.093 R)
• M5: 2,253,243 km (0.101 R)
• M6: 2,651,622 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.4

Radius: 12

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.63 AU - 1.03 AU

Year: 496 Days

Day: 11.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,674,302 km

• M1: 149,448 km (0.064 R)
• M2: 755,768 km (0.072 R)
• M3: 1,178,682 km (0.113 R)
• M4: 1,607,280 km (0.045 R)
• M5: 2,296,477 km (0.115 R)
• M6: 2,730,311 km (0.118 R)
• M7: 3,185,537 km (0.103 R)
• M8: 3,593,191 km (0.055 R)
• M9: 4,022,687 km (0.083 R)
• M10: 4,514,864 km (0.11 R)
• M11: 4,895,142 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.3

Radius: 8.1

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.58 AU - 2.34 AU

Year: 1800 Days

Day: 10.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 27,674,302 km

• M1: 100,679 km (0.12 R)
• M2: 433,834 km (0.05 R)
• M3: 728,542 km (0.098 R)
• M4: 1,115,701 km (0.049 R)
• M5: 1,542,354 km (0.052 R)
• M6: 2,131,620 km (0.066 R)
• M7: 2,523,716 km (0.104 R)
• M8: 2,934,362 km (0.054 R)
• M9: 3,201,694 km (0.08 R)
• M10: 3,517,944 km (0.053 R)
• M11: 4,031,513 km (0.094 R)
• M12: 4,935,383 km (0.075 R)
• M13: 5,968,207 km (0.109 R)
• M14: 6,375,113 km (0.054 R)
• M15: 7,378,915 km (0.047 R)
• M16: 7,876,328 km (0.105 R)
• M17: 8,454,972 km (0.101 R)
• M18: 9,343,883 km (0.072 R)
• M19: 9,794,621 km (0.105 R)
• M20: 10,809,493 km (0.1 R)
• M21: 12,307,716 km (0.097 R)
• M22: 12,732,125 km (0.07 R)
• M23: 13,366,869 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.1

Radius: 11.7

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.08 AU - 2.24 AU

Year: 2083 Days

Day: 14.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,674,302 km

• M1: 146,157 km (0.038 R)
• M2: 525,089 km (0.091 R)
• M3: 918,082 km (0.099 R)
• M4: 1,315,713 km (0.117 R)
• M5: 2,165,429 km (0.105 R)
• M6: 2,567,399 km (0.111 R)
• M7: 4,032,710 km (0.098 R)
• M8: 4,398,028 km (0.109 R)
• M9: 4,865,820 km (0.118 R)
• M10: 5,924,824 km (0.057 R)
• M11: 7,531,804 km (0.108 R)
• M12: 8,643,765 km (0.118 R)
• M13: 9,068,623 km (0.068 R)
• M14: 10,158,743 km (0.087 R)
• M15: 10,909,574 km (0.103 R)
• M16: 11,334,283 km (0.041 R)
• M17: 12,067,013 km (0.084 R)
• M18: 12,559,938 km (0.041 R)
• M19: 13,789,932 km (0.058 R)

Asteroid Belt

Center: 2.45 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.6

Radius: 9.9

Gravity: 7.46 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.24 AU - 3.22 AU

Year: 2959 Days

Day: 9.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 27,674,302 km

• M1: 123,119 km (0.069 R)
• M2: 516,711 km (0.081 R)
• M3: 1,003,802 km (0.098 R)
• M4: 1,357,750 km (0.103 R)
• M5: 1,783,805 km (0.105 R)
• M6: 2,383,543 km (0.08 R)
• M7: 2,731,208 km (0.104 R)
• M8: 3,510,763 km (0.067 R)
• M9: 4,703,207 km (0.089 R)
• M10: 5,901,337 km (0.12 R)
• M11: 6,371,074 km (0.069 R)
• M12: 7,511,758 km (0.104 R)
• M13: 8,539,046 km (0.098 R)
• M14: 10,076,763 km (0.066 R)
• M15: 10,668,423 km (0.099 R)
• M16: 12,717,913 km (0.047 R)
• M17: 13,644,822 km (0.117 R)
• M18: 16,052,300 km (0.111 R)
• M19: 16,695,870 km (0.114 R)
• M20: 17,977,326 km (0.077 R)
• M21: 18,322,149 km (0.043 R)
• M22: 18,788,745 km (0.113 R)
• M23: 19,684,985 km (0.068 R)
• M24: 20,546,968 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.3

Radius: 13.7

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.2 AU - 3.34 AU

Year: 3024 Days

Day: 7.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,674,302 km

• M1: 170,392 km (0.107 R)
• M2: 640,428 km (0.089 R)
• M3: 1,071,570 km (0.099 R)
• M4: 1,525,749 km (0.105 R)
• M5: 2,366,638 km (0.108 R)
• M6: 5,962,971 km (0.06 R)
• M7: 8,097,284 km (0.106 R)
• M8: 8,739,807 km (0.1 R)
• M9: 9,166,161 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 656.9

Radius: 7.2

Gravity: 12.67 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.19 AU - 6.67 AU

Year: 9473 Days

Day: 15.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 27,674,302 km

• M1: 89,609 km (0.098 R)
• M2: 391,946 km (0.084 R)
• M3: 945,907 km (0.07 R)
• M4: 1,281,605 km (0.097 R)
• M5: 1,651,560 km (0.08 R)
• M6: 2,872,728 km (0.085 R)
• M7: 3,707,334 km (0.071 R)
• M8: 4,263,689 km (0.089 R)
• M9: 4,753,772 km (0.036 R)
• M10: 5,377,744 km (0.082 R)
• M11: 5,777,470 km (0.086 R)
• M12: 6,268,749 km (0.081 R)
• M13: 6,636,461 km (0.056 R)
• M14: 7,701,598 km (0.108 R)
• M15: 9,626,324 km (0.085 R)
• M16: 11,145,490 km (0.102 R)
• M17: 12,074,044 km (0.073 R)
• M18: 12,299,787 km (0.107 R)
• M19: 12,935,129 km (0.105 R)
• M20: 17,573,711 km (0.087 R)
• M21: 18,753,739 km (0.106 R)
• M22: 19,133,119 km (0.107 R)
• M23: 20,944,300 km (0.098 R)
• M24: 24,904,306 km (0.099 R)
• M25: 29,133,288 km (0.04 R)
• M26: 29,950,391 km (0.053 R)
• M27: 31,523,563 km (0.115 R)
• M28: 34,606,176 km (0.119 R)
• M29: 37,763,439 km (0.081 R)
• M30: 40,726,674 km (0.038 R)
• M31: 43,179,630 km (0.084 R)
• M32: 44,509,555 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 103.7

Radius: 7.1

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 5.07 AU - 8.25 AU

Year: 11275 Days

Day: 17.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,674,302 km

• M1: 88,263 km (0.109 R)
• M2: 319,092 km (0.1 R)
• M3: 556,504 km (0.1 R)
• M4: 1,079,648 km (0.082 R)
• M5: 1,463,067 km (0.11 R)
• M6: 1,827,488 km (0.099 R)
• M7: 2,117,558 km (0.097 R)
• M8: 3,177,309 km (0.101 R)
• M9: 4,652,943 km (0.116 R)
• M10: 6,823,159 km (0.065 R)
• M11: 7,594,336 km (0.074 R)
• M12: 7,875,879 km (0.098 R)
• M13: 8,838,990 km (0.082 R)
• M14: 10,341,850 km (0.071 R)
• M15: 12,293,803 km (0.042 R)
• M16: 13,844,834 km (0.115 R)
• M17: 14,318,461 km (0.06 R)
• M18: 16,555,697 km (0.118 R)
• M19: 19,931,523 km (0.103 R)
• M20: 23,814,635 km (0.117 R)
• M21: 25,656,633 km (0.042 R)
• M22: 26,531,781 km (0.113 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 299 - 15,432 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit