🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.6

Radius: 10

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.6 AU - 0.92 AU

Year: 435 Days

Day: 14.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,690,780 km

• M1: 124,316 km (0.12 R)
• M2: 505,042 km (0.079 R)
• M3: 886,816 km (0.052 R)
• M4: 1,214,735 km (0.079 R)
• M5: 1,969,905 km (0.055 R)
• M6: 2,372,323 km (0.034 R)
• M7: 2,731,508 km (0.119 R)
• M8: 3,212,764 km (0.089 R)
• M9: 3,946,093 km (0.036 R)
• M10: 4,399,524 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.6

Radius: 12.4

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.74 AU - 0.86 AU

Year: 469 Days

Day: 7.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,690,780 km

• M1: 154,385 km (0.088 R)
• M2: 566,826 km (0.111 R)
• M3: 979,417 km (0.104 R)
• M4: 1,442,423 km (0.048 R)
• M5: 1,934,151 km (0.041 R)
• M6: 2,375,465 km (0.065 R)
• M7: 3,175,215 km (0.06 R)
• M8: 3,697,611 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809

Radius: 9.5

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.77 AU - 1.11 AU

Year: 598 Days

Day: 14.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,690,780 km

• M1: 118,182 km (0.113 R)
• M2: 436,826 km (0.073 R)
• M3: 785,838 km (0.1 R)
• M4: 1,359,845 km (0.108 R)
• M5: 1,733,241 km (0.059 R)
• M6: 2,043,956 km (0.107 R)
• M7: 2,485,269 km (0.102 R)
• M8: 3,196,906 km (0.094 R)
• M9: 3,794,251 km (0.045 R)
• M10: 4,127,405 km (0.113 R)
• M11: 5,072,714 km (0.05 R)
• M12: 5,829,081 km (0.094 R)
• M13: 6,333,824 km (0.06 R)
• M14: 7,276,141 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.6

Radius: 12

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.09 AU - 1.79 AU

Year: 1134 Days

Day: 6.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,690,780 km

• M1: 149,448 km (0.118 R)
• M2: 539,450 km (0.118 R)
• M3: 1,033,572 km (0.095 R)
• M4: 2,138,352 km (0.116 R)
• M5: 2,543,613 km (0.113 R)
• M6: 2,986,572 km (0.074 R)
• M7: 3,652,731 km (0.102 R)
• M8: 4,524,887 km (0.073 R)
• M9: 5,160,079 km (0.053 R)
• M10: 5,616,054 km (0.106 R)
• M11: 6,053,777 km (0.092 R)
• M12: 6,633,020 km (0.114 R)
• M13: 7,689,331 km (0.105 R)
• M14: 8,481,900 km (0.034 R)
• M15: 9,694,391 km (0.083 R)
• M16: 10,294,129 km (0.092 R)
• M17: 11,637,667 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.3

Radius: 8.5

Gravity: 12.59 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.67 AU - 1.89 AU

Year: 1558 Days

Day: 14.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,690,780 km

• M1: 105,766 km (0.051 R)
• M2: 381,175 km (0.115 R)
• M3: 738,565 km (0.088 R)
• M4: 1,075,010 km (0.106 R)
• M5: 1,532,481 km (0.085 R)
• M6: 2,150,619 km (0.086 R)
• M7: 2,438,146 km (0.055 R)
• M8: 2,765,616 km (0.066 R)
• M9: 3,543,674 km (0.073 R)
• M10: 3,983,941 km (0.028 R)
• M11: 4,265,334 km (0.075 R)
• M12: 4,722,655 km (0.109 R)
• M13: 5,323,291 km (0.065 R)
• M14: 5,642,084 km (0.041 R)
• M15: 6,243,467 km (0.114 R)
• M16: 8,275,006 km (0.11 R)
• M17: 10,148,720 km (0.04 R)
• M18: 11,369,737 km (0.063 R)
• M19: 14,802,261 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.6

Radius: 10.2

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.31 AU - 2.45 AU

Year: 2409 Days

Day: 13.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,690,780 km

• M1: 126,859 km (0.108 R)
• M2: 509,680 km (0.062 R)
• M3: 904,469 km (0.104 R)
• M4: 1,571,376 km (0.07 R)
• M5: 1,950,457 km (0.044 R)
• M6: 2,345,844 km (0.08 R)
• M7: 2,757,238 km (0.075 R)
• M8: 5,647,320 km (0.111 R)
• M9: 7,127,740 km (0.111 R)
• M10: 9,187,553 km (0.046 R)
• M11: 9,590,121 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315

Radius: 14.7

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.35 AU - 3.81 AU

Year: 4444 Days

Day: 13.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,690,780 km

• M1: 182,809 km (0.03 R)
• M2: 831,615 km (0.068 R)
• M3: 1,449,903 km (0.109 R)
• M4: 2,168,571 km (0.098 R)
• M5: 2,634,867 km (0.095 R)
• M6: 3,381,061 km (0.118 R)
• M7: 3,934,274 km (0.09 R)
• M8: 4,437,522 km (0.081 R)
• M9: 5,782,556 km (0.109 R)
• M10: 6,380,050 km (0.025 R)
• M11: 7,078,822 km (0.048 R)
• M12: 8,256,007 km (0.085 R)
• M13: 9,449,350 km (0.104 R)
• M14: 12,177,566 km (0.056 R)
• M15: 13,534,269 km (0.095 R)
• M16: 14,152,557 km (0.105 R)
• M17: 16,493,315 km (0.053 R)
• M18: 17,812,170 km (0.061 R)
• M19: 20,411,283 km (0.101 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.8

Radius: 11.3

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 4.02 AU - 4.66 AU

Year: 5931 Days

Day: 13.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,690,780 km

• M1: 140,472 km (0.106 R)
• M2: 546,780 km (0.091 R)
• M3: 1,215,782 km (0.096 R)
• M4: 2,330,136 km (0.095 R)
• M5: 4,481,952 km (0.038 R)
• M6: 5,109,066 km (0.099 R)
• M7: 5,887,574 km (0.118 R)
• M8: 6,404,883 km (0.068 R)
• M9: 7,058,327 km (0.114 R)
• M10: 9,900,537 km (0.098 R)
• M11: 10,586,593 km (0.064 R)
• M12: 12,053,549 km (0.115 R)
• M13: 12,996,315 km (0.104 R)
• M14: 17,526,139 km (0.056 R)
• M15: 18,804,303 km (0.103 R)
• M16: 21,848,769 km (0.119 R)
• M17: 23,648,282 km (0.094 R)
• M18: 24,625,305 km (0.096 R)
• M19: 30,869,072 km (0.054 R)
• M20: 34,250,881 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 183.4

Radius: 4

Gravity: 11.46 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 6.9 AU - 7.44 AU

Year: 12595 Days

Day: 23.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,690,780 km

• M1: 50,115 km (0.117 R)
• M2: 263,143 km (0.087 R)
• M3: 476,170 km (0.065 R)
• M4: 742,305 km (0.108 R)
• M5: 918,232 km (0.041 R)
• M6: 1,742,516 km (0.05 R)
• M7: 2,233,646 km (0.106 R)
• M8: 2,493,348 km (0.091 R)
• M9: 4,628,708 km (0.066 R)
• M10: 4,794,462 km (0.117 R)
• M11: 5,256,121 km (0.095 R)
• M12: 10,440,884 km (0.104 R)
• M13: 12,338,084 km (0.085 R)
• M14: 17,058,496 km (0.109 R)
• M15: 22,696,391 km (0.076 R)
• M16: 28,341,915 km (0.103 R)
• M17: 28,897,222 km (0.059 R)
• M18: 34,330,168 km (0.096 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 977.8

Radius: 5

Gravity: 39.11 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 8.34 AU - 9.36 AU

Year: 17271 Days

Day: 15.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 77,690,780 km

• M1: 62,382 km (0.1 R)
• M2: 221,255 km (0.075 R)
• M3: 443,558 km (0.11 R)
• M4: 1,379,891 km (0.096 R)
• M5: 1,573,171 km (0.1 R)
• M6: 2,075,371 km (0.033 R)
• M7: 2,558,572 km (0.108 R)
• M8: 2,751,703 km (0.071 R)
• M9: 5,334,510 km (0.06 R)
• M10: 9,363,929 km (0.119 R)
• M11: 10,914,511 km (0.061 R)
• M12: 11,750,614 km (0.063 R)
• M13: 16,414,178 km (0.103 R)
• M14: 19,658,357 km (0.115 R)
• M15: 20,603,367 km (0.112 R)
• M16: 20,796,049 km (0.053 R)
• M17: 26,574,865 km (0.079 R)
• M18: 30,509,887 km (0.117 R)
• M19: 33,604,020 km (0.082 R)
• M20: 34,273,919 km (0.112 R)
• M21: 42,085,920 km (0.073 R)
• M22: 47,066,033 km (0.092 R)
• M23: 47,735,783 km (0.039 R)
• M24: 49,094,580 km (0.093 R)
• M25: 50,304,528 km (0.103 R)
• M26: 53,688,581 km (0.085 R)
• M27: 54,787,976 km (0.101 R)
• M28: 61,302,515 km (0.062 R)
• M29: 63,312,512 km (0.079 R)
• M30: 66,409,038 km (0.046 R)
• M31: 68,101,139 km (0.099 R)
• M32: 73,125,534 km (0.105 R)
• M33: 75,842,530 km (0.116 R)
• M34: 76,763,006 km (0.081 R)
• M35: 76,994,284 km (0.043 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 485 - 19,659 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit