🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.1

Radius: 13.1

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.59 AU - 0.87 AU

Year: 416 Days

Day: 11.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,625,165 km

• M1: 162,912 km (0.072 R)
• M2: 607,816 km (0.045 R)
• M3: 1,015,620 km (0.093 R)
• M4: 1,508,545 km (0.103 R)
• M5: 2,304,106 km (0.08 R)
• M6: 2,769,206 km (0.104 R)
• M7: 3,177,908 km (0.09 R)
• M8: 4,572,010 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.3

Radius: 14.7

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.79 AU - 1.05 AU

Year: 588 Days

Day: 14 Hours

Environment

Temp: -173 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,625,165 km

• M1: 182,958 km (0.074 R)
• M2: 667,057 km (0.069 R)
• M3: 1,389,615 km (0.113 R)
• M4: 2,082,552 km (0.109 R)
• M5: 2,919,253 km (0.069 R)
• M6: 3,844,366 km (0.061 R)
• M7: 4,507,384 km (0.102 R)
• M8: 5,041,299 km (0.051 R)
• M9: 5,931,256 km (0.09 R)
• M10: 7,460,147 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538

Radius: 12.2

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1 AU - 1.34 AU

Year: 844 Days

Day: 9.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,625,165 km

• M1: 151,692 km (0.104 R)
• M2: 538,403 km (0.093 R)
• M3: 923,468 km (0.093 R)
• M4: 1,340,397 km (0.065 R)
• M5: 1,824,795 km (0.111 R)
• M6: 2,631,576 km (0.108 R)
• M7: 3,105,053 km (0.11 R)
• M8: 3,524,526 km (0.098 R)
• M9: 3,922,606 km (0.07 R)
• M10: 4,626,015 km (0.081 R)
• M11: 6,102,995 km (0.093 R)
• M12: 6,659,349 km (0.083 R)
• M13: 8,309,863 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.8

Radius: 10.3

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.71 AU - 1.97 AU

Year: 1664 Days

Day: 13.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,625,165 km

• M1: 128,505 km (0.11 R)
• M2: 558,748 km (0.113 R)
• M3: 952,041 km (0.052 R)
• M4: 1,836,912 km (0.107 R)
• M5: 2,495,891 km (0.093 R)
• M6: 2,922,993 km (0.093 R)
• M7: 3,290,256 km (0.093 R)
• M8: 3,638,968 km (0.064 R)
• M9: 4,012,364 km (0.084 R)
• M10: 4,856,844 km (0.092 R)
• M11: 5,247,295 km (0.09 R)
• M12: 5,703,269 km (0.095 R)
• M13: 6,521,869 km (0.066 R)
• M14: 6,972,458 km (0.074 R)
• M15: 8,020,391 km (0.1 R)
• M16: 8,508,678 km (0.112 R)
• M17: 9,047,230 km (0.119 R)
• M18: 9,736,278 km (0.074 R)
• M19: 10,426,224 km (0.086 R)
• M20: 10,800,517 km (0.111 R)
• M21: 12,312,653 km (0.108 R)
• M22: 12,808,121 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.5

Radius: 12.9

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.88 AU - 4.46 AU

Year: 4688 Days

Day: 13.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,625,165 km

• M1: 160,519 km (0.112 R)
• M2: 607,966 km (0.119 R)
• M3: 1,121,984 km (0.1 R)
• M4: 1,531,134 km (0.108 R)
• M5: 2,299,918 km (0.065 R)
• M6: 3,191,671 km (0.116 R)
• M7: 4,376,187 km (0.054 R)
• M8: 5,335,558 km (0.08 R)
• M9: 5,774,627 km (0.116 R)
• M10: 7,779,538 km (0.101 R)
• M11: 9,992,390 km (0.116 R)
• M12: 10,938,896 km (0.08 R)
• M13: 14,641,742 km (0.078 R)
• M14: 16,223,440 km (0.079 R)
• M15: 19,932,121 km (0.114 R)
• M16: 24,570,253 km (0.12 R)
• M17: 25,709,292 km (0.081 R)
• M18: 26,544,048 km (0.097 R)
• M19: 27,224,868 km (0.108 R)
• M20: 28,268,014 km (0.071 R)
• M21: 30,712,144 km (0.103 R)
• M22: 31,652,067 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.7

Radius: 8.6

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.7 AU - 5.12 AU

Year: 6176 Days

Day: 14.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,625,165 km

• M1: 112,049 km (0.087 R)
• M2: 446,101 km (0.079 R)
• M3: 1,339,200 km (0.087 R)
• M4: 1,787,096 km (0.106 R)
• M5: 2,332,231 km (0.104 R)
• M6: 3,078,425 km (0.103 R)
• M7: 3,752,363 km (0.118 R)
• M8: 4,422,711 km (0.072 R)
• M9: 7,286,613 km (0.114 R)
• M10: 7,958,308 km (0.087 R)
• M11: 9,221,961 km (0.057 R)
• M12: 10,308,041 km (0.101 R)
• M13: 10,614,418 km (0.113 R)
• M14: 14,291,234 km (0.036 R)
• M15: 19,130,426 km (0.101 R)
• M16: 19,527,160 km (0.072 R)
• M17: 21,380,976 km (0.117 R)
• M18: 25,039,692 km (0.027 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.9

Radius: 14.6

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 4.77 AU - 5.81 AU

Year: 8114 Days

Day: 14.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 41,625,165 km

• M1: 181,612 km (0.102 R)
• M2: 683,513 km (0.036 R)
• M3: 1,371,364 km (0.079 R)
• M4: 1,926,222 km (0.108 R)
• M5: 2,383,992 km (0.113 R)
• M6: 3,437,609 km (0.07 R)
• M7: 4,021,939 km (0.079 R)
• M8: 4,672,241 km (0.08 R)
• M9: 6,662,640 km (0.076 R)
• M10: 7,965,189 km (0.12 R)
• M11: 9,927,763 km (0.104 R)
• M12: 15,898,963 km (0.117 R)
• M13: 21,508,883 km (0.091 R)
• M14: 24,332,842 km (0.102 R)
• M15: 25,011,567 km (0.117 R)
• M16: 26,943,175 km (0.031 R)
• M17: 31,400,294 km (0.103 R)
• M18: 32,103,703 km (0.059 R)
• M19: 34,489,191 km (0.111 R)
• M20: 35,779,622 km (0.034 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 430.3

Radius: 3.4

Gravity: 37.22 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 5.63 AU - 6.63 AU

Year: 10121 Days

Day: 16.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 41,625,165 km

• M1: 42,336 km (0.065 R)
• M2: 202,256 km (0.111 R)
• M3: 325,824 km (0.07 R)
• M4: 545,284 km (0.065 R)
• M5: 802,892 km (0.117 R)
• M6: 989,141 km (0.088 R)
• M7: 1,541,456 km (0.078 R)
• M8: 1,876,107 km (0.069 R)
• M9: 2,513,394 km (0.075 R)
• M10: 2,829,345 km (0.118 R)
• M11: 2,996,894 km (0.075 R)
• M12: 3,306,113 km (0.098 R)
• M13: 3,636,275 km (0.109 R)
• M14: 3,859,775 km (0.105 R)
• M15: 4,225,541 km (0.048 R)
• M16: 4,528,926 km (0.118 R)
• M17: 5,086,627 km (0.09 R)
• M18: 6,660,845 km (0.063 R)
• M19: 7,498,294 km (0.049 R)
• M20: 7,617,673 km (0.089 R)
• M21: 9,016,264 km (0.065 R)
• M22: 9,196,679 km (0.1 R)
• M23: 10,038,316 km (0.092 R)
• M24: 10,777,928 km (0.062 R)
• M25: 12,983,450 km (0.032 R)
• M26: 13,387,813 km (0.073 R)
• M27: 18,695,246 km (0.093 R)
• M28: 22,011,681 km (0.102 R)
• M29: 22,835,517 km (0.103 R)
• M30: 23,339,512 km (0.079 R)
• M31: 24,544,223 km (0.087 R)
• M32: 29,382,069 km (0.072 R)
• M33: 30,785,447 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 317.9

Radius: 3.4

Gravity: 27.5 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 8.42 AU - 11.38 AU

Year: 20772 Days

Day: 24.2 Hours

Environment

Temp: -242 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,625,165 km

• M1: 44,281 km (0.088 R)
• M2: 184,305 km (0.109 R)
• M3: 503,846 km (0.095 R)
• M4: 1,191,397 km (0.086 R)
• M5: 2,076,718 km (0.115 R)
• M6: 2,353,025 km (0.091 R)
• M7: 3,763,134 km (0.09 R)
• M8: 5,580,599 km (0.059 R)
• M9: 6,471,903 km (0.08 R)
• M10: 13,881,336 km (0.095 R)
• M11: 14,361,695 km (0.112 R)
• M12: 17,085,872 km (0.111 R)
• M13: 27,928,426 km (0.118 R)
• M14: 28,693,021 km (0.12 R)
• M15: 31,069,982 km (0.062 R)
• M16: 35,064,993 km (0.074 R)
• M17: 38,846,827 km (0.072 R)
• M18: 53,624,554 km (0.104 R)
• M19: 56,345,739 km (0.061 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 86.4

Radius: 3.1

Gravity: 8.99 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 9.93 AU - 11.13 AU

Year: 22786 Days

Day: 15.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,625,165 km

• M1: 81,381 km (0.105 R)
• M2: 297,550 km (0.107 R)
• M3: 893,997 km (0.096 R)
• M4: 1,574,218 km (0.068 R)
• M5: 1,867,879 km (0.075 R)
• M6: 2,430,367 km (0.083 R)
• M7: 10,338,410 km (0.064 R)
• M8: 13,346,823 km (0.104 R)
• M9: 13,581,691 km (0.071 R)
• M10: 14,486,908 km (0.076 R)
• M11: 15,496,095 km (0.116 R)
• M12: 16,349,850 km (0.091 R)
• M13: 18,078,753 km (0.08 R)
• M14: 19,849,543 km (0.09 R)
• M15: 21,092,253 km (0.066 R)
• M16: 21,330,861 km (0.097 R)
• M17: 30,153,545 km (0.086 R)
• M18: 38,228,838 km (0.114 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: 160 - 12,539 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit