🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.3

Radius: 9.9

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.9 AU - 0.98 AU

Year: 629 Days

Day: 10.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,696,484 km

• M1: 123,119 km (0.047 R)
• M2: 484,697 km (0.07 R)
• M3: 1,053,169 km (0.072 R)
• M4: 1,587,383 km (0.118 R)
• M5: 1,904,830 km (0.105 R)
• M6: 2,415,557 km (0.108 R)
• M7: 3,262,131 km (0.112 R)
• M8: 4,310,363 km (0.033 R)
• M9: 4,837,247 km (0.112 R)
• M10: 5,159,631 km (0.118 R)
• M11: 5,587,630 km (0.092 R)
• M12: 6,077,862 km (0.106 R)
• M13: 6,535,183 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755

Radius: 8.1

Gravity: 11.51 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.99 AU - 1.21 AU

Year: 796 Days

Day: 9 Hours

Environment

Temp: -172 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,696,484 km

• M1: 100,679 km (0.036 R)
• M2: 384,018 km (0.114 R)
• M3: 638,334 km (0.115 R)
• M4: 910,303 km (0.116 R)
• M5: 1,213,388 km (0.052 R)
• M6: 2,260,873 km (0.074 R)
• M7: 3,223,086 km (0.075 R)
• M8: 3,685,044 km (0.103 R)
• M9: 4,095,391 km (0.089 R)
• M10: 4,485,243 km (0.081 R)
• M11: 4,793,864 km (0.11 R)
• M12: 5,190,298 km (0.079 R)
• M13: 6,048,840 km (0.108 R)
• M14: 6,708,417 km (0.071 R)
• M15: 7,509,664 km (0.109 R)
• M16: 7,921,207 km (0.093 R)
• M17: 8,842,281 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.3

Radius: 8

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.96 AU - 1.24 AU

Year: 796 Days

Day: 14.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,696,484 km

• M1: 99,483 km (0.098 R)
• M2: 390,151 km (0.117 R)
• M3: 687,253 km (0.074 R)
• M4: 1,003,652 km (0.097 R)
• M5: 1,347,877 km (0.074 R)
• M6: 1,777,671 km (0.1 R)
• M7: 2,129,825 km (0.079 R)
• M8: 2,442,933 km (0.047 R)
• M9: 2,932,866 km (0.098 R)
• M10: 3,298,633 km (0.114 R)
• M11: 3,707,035 km (0.119 R)
• M12: 4,244,092 km (0.06 R)
• M13: 5,489,195 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.3

Radius: 13.9

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.79 AU - 2.47 AU

Year: 2146 Days

Day: 13.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,696,484 km

• M1: 176,077 km (0.104 R)
• M2: 627,862 km (0.105 R)
• M3: 1,205,011 km (0.064 R)
• M4: 2,038,421 km (0.104 R)
• M5: 2,636,662 km (0.109 R)
• M6: 3,186,435 km (0.114 R)
• M7: 3,713,468 km (0.097 R)
• M8: 6,058,714 km (0.062 R)
• M9: 7,255,497 km (0.091 R)
• M10: 7,979,251 km (0.111 R)
• M11: 8,958,818 km (0.054 R)
• M12: 9,509,039 km (0.116 R)
• M13: 11,366,895 km (0.109 R)
• M14: 11,830,648 km (0.079 R)
• M15: 12,456,416 km (0.084 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 633

Radius: 6.1

Gravity: 17.01 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 6.49 AU - 7.13 AU

Year: 12267 Days

Day: 17.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 71,696,484 km

• M1: 75,846 km (0.109 R)
• M2: 282,590 km (0.119 R)
• M3: 490,531 km (0.107 R)
• M4: 684,410 km (0.105 R)
• M5: 1,273,975 km (0.076 R)
• M6: 1,489,696 km (0.106 R)
• M7: 1,810,134 km (0.096 R)
• M8: 2,194,302 km (0.077 R)
• M9: 2,738,389 km (0.103 R)
• M10: 3,293,996 km (0.115 R)
• M11: 4,090,754 km (0.099 R)
• M12: 4,564,979 km (0.108 R)
• M13: 4,847,420 km (0.055 R)
• M14: 6,399,797 km (0.106 R)
• M15: 8,074,695 km (0.084 R)
• M16: 8,488,333 km (0.089 R)
• M17: 9,917,740 km (0.057 R)
• M18: 11,104,052 km (0.038 R)
• M19: 11,386,343 km (0.076 R)
• M20: 13,819,851 km (0.113 R)
• M21: 14,411,660 km (0.089 R)
• M22: 16,288,366 km (0.078 R)
• M23: 16,579,633 km (0.115 R)
• M24: 17,398,532 km (0.099 R)
• M25: 26,919,688 km (0.06 R)
• M26: 28,678,809 km (0.088 R)
• M27: 30,844,837 km (0.059 R)
• M28: 31,067,289 km (0.056 R)
• M29: 42,771,826 km (0.064 R)
• M30: 44,166,976 km (0.035 R)
• M31: 48,384,290 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 877

Radius: 7.2

Gravity: 16.92 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 7.77 AU - 8.83 AU

Year: 16505 Days

Day: 22.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 71,696,484 km

• M1: 89,609 km (0.101 R)
• M2: 354,697 km (0.115 R)
• M3: 801,097 km (0.052 R)
• M4: 1,336,358 km (0.047 R)
• M5: 1,599,500 km (0.042 R)
• M6: 2,446,374 km (0.051 R)
• M7: 3,533,651 km (0.08 R)
• M8: 3,857,231 km (0.039 R)
• M9: 9,720,421 km (0.093 R)
• M10: 10,180,733 km (0.106 R)
• M11: 11,395,319 km (0.045 R)
• M12: 12,839,686 km (0.049 R)
• M13: 13,184,360 km (0.098 R)
• M14: 18,417,143 km (0.058 R)
• M15: 23,120,201 km (0.073 R)
• M16: 23,425,531 km (0.038 R)
• M17: 30,110,311 km (0.092 R)
• M18: 35,210,252 km (0.065 R)
• M19: 37,123,011 km (0.105 R)
• M20: 42,206,047 km (0.12 R)
• M21: 44,050,290 km (0.118 R)
• M22: 45,468,178 km (0.114 R)
• M23: 48,229,157 km (0.076 R)
• M24: 51,965,513 km (0.089 R)
• M25: 56,993,946 km (0.044 R)
• M26: 61,554,437 km (0.105 R)
• M27: 64,323,793 km (0.052 R)
• M28: 66,762,837 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 419.2

Radius: 3.7

Gravity: 30.62 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 8.2 AU - 12.74 AU

Year: 23385 Days

Day: 19.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 71,696,484 km

• M1: 46,974 km (0.062 R)
• M2: 172,935 km (0.087 R)
• M3: 297,700 km (0.105 R)
• M4: 423,512 km (0.12 R)
• M5: 663,317 km (0.072 R)
• M6: 1,262,307 km (0.041 R)
• M7: 2,505,615 km (0.117 R)
• M8: 2,862,106 km (0.076 R)
• M9: 3,645,999 km (0.1 R)
• M10: 5,392,405 km (0.09 R)
• M11: 6,706,622 km (0.09 R)
• M12: 7,390,434 km (0.12 R)
• M13: 9,662,826 km (0.044 R)
• M14: 10,354,865 km (0.102 R)
• M15: 10,473,347 km (0.115 R)
• M16: 11,580,970 km (0.045 R)
• M17: 12,228,878 km (0.112 R)
• M18: 13,596,502 km (0.056 R)
• M19: 15,991,414 km (0.119 R)
• M20: 19,272,394 km (0.112 R)
• M21: 19,451,762 km (0.109 R)
• M22: 24,622,164 km (0.101 R)
• M23: 26,900,988 km (0.062 R)
• M24: 29,673,037 km (0.117 R)
• M25: 42,210,984 km (0.102 R)
• M26: 48,707,571 km (0.114 R)
• M27: 54,754,915 km (0.093 R)
• M28: 61,090,235 km (0.069 R)
• M29: 67,276,706 km (0.102 R)
• M30: 70,627,100 km (0.11 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 17,002 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit