🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.7

Radius: 14

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.52 AU - 0.76 AU

Year: 347 Days

Day: 14.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 90,661,242 km

• M1: 174,282 km (0.08 R)
• M2: 610,509 km (0.099 R)
• M3: 1,328,579 km (0.055 R)
• M4: 2,018,823 km (0.099 R)
• M5: 2,514,890 km (0.113 R)
• M6: 3,251,061 km (0.074 R)
• M7: 3,818,785 km (0.099 R)
• M8: 4,753,024 km (0.042 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.4

Radius: 14.8

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.52 AU - 0.86 AU

Year: 389 Days

Day: 14.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 90,661,242 km

• M1: 184,155 km (0.113 R)
• M2: 661,821 km (0.079 R)
• M3: 1,162,974 km (0.074 R)
• M4: 1,958,386 km (0.047 R)
• M5: 2,455,499 km (0.11 R)
• M6: 2,958,896 km (0.072 R)
• M7: 3,520,786 km (0.112 R)
• M8: 4,228,533 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.6

Radius: 13.2

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.7 AU - 1 AU

Year: 532 Days

Day: 5.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 90,661,242 km

• M1: 164,109 km (0.086 R)
• M2: 1,110,914 km (0.064 R)
• M3: 1,635,853 km (0.033 R)

Asteroid Belt

Center: 1.46 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.2

Radius: 12.5

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.98 AU - 2.16 AU

Year: 2020 Days

Day: 10.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 90,661,242 km

• M1: 181,313 km (0.052 R)
• M2: 898,036 km (0.04 R)
• M3: 1,341,145 km (0.1 R)
• M4: 1,941,332 km (0.097 R)
• M5: 2,586,398 km (0.079 R)
• M6: 3,072,740 km (0.089 R)
• M7: 3,674,124 km (0.075 R)
• M8: 4,995,223 km (0.077 R)
• M9: 6,369,877 km (0.048 R)
• M10: 7,395,520 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.5

Radius: 12.4

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.78 AU - 3.5 AU

Year: 3774 Days

Day: 6.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 90,661,242 km

• M1: 159,322 km (0.081 R)
• M2: 766,988 km (0.109 R)
• M3: 1,197,232 km (0.06 R)
• M4: 1,616,704 km (0.065 R)
• M5: 2,272,990 km (0.112 R)
• M6: 2,884,397 km (0.085 R)
• M7: 3,295,641 km (0.103 R)
• M8: 3,893,135 km (0.065 R)
• M9: 4,582,632 km (0.12 R)
• M10: 5,124,026 km (0.034 R)
• M11: 6,599,061 km (0.092 R)
• M12: 7,233,805 km (0.035 R)
• M13: 8,434,777 km (0.073 R)
• M14: 10,046,395 km (0.119 R)
• M15: 10,775,235 km (0.098 R)
• M16: 12,420,662 km (0.107 R)
• M17: 13,432,991 km (0.102 R)
• M18: 14,093,167 km (0.054 R)
• M19: 15,383,299 km (0.118 R)
• M20: 16,650,393 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.7

Radius: 14.8

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 5.23 AU - 5.69 AU

Year: 8653 Days

Day: 8.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,661,242 km

• M1: 194,028 km (0.095 R)
• M2: 1,119,740 km (0.085 R)
• M3: 2,024,508 km (0.09 R)
• M4: 4,275,956 km (0.061 R)
• M5: 5,148,411 km (0.058 R)
• M6: 6,193,801 km (0.06 R)
• M7: 9,032,869 km (0.059 R)
• M8: 12,603,022 km (0.096 R)
• M9: 17,481,409 km (0.119 R)
• M10: 19,643,696 km (0.107 R)
• M11: 22,249,542 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 32

Radius: 6.6

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 4.96 AU - 7.42 AU

Year: 10445 Days

Day: 23 Hours

Environment

Temp: -221 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 90,661,242 km

• M1: 82,129 km (0.114 R)
• M2: 1,007,542 km (0.113 R)
• M3: 1,704,817 km (0.06 R)
• M4: 2,745,570 km (0.109 R)
• M5: 3,025,318 km (0.038 R)
• M6: 4,156,876 km (0.113 R)
• M7: 6,123,789 km (0.052 R)
• M8: 7,250,560 km (0.064 R)
• M9: 7,786,420 km (0.075 R)
• M10: 8,803,984 km (0.118 R)
• M11: 10,455,096 km (0.113 R)
• M12: 10,907,630 km (0.069 R)
• M13: 12,014,504 km (0.085 R)
• M14: 13,947,159 km (0.079 R)
• M15: 15,393,172 km (0.085 R)
• M16: 17,772,077 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 825.3

Radius: 4

Gravity: 51.58 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 7.82 AU - 9.66 AU

Year: 17525 Days

Day: 19.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 90,661,242 km

• M1: 49,816 km (0.065 R)
• M2: 227,987 km (0.093 R)
• M3: 426,803 km (0.115 R)
• M4: 599,139 km (0.102 R)
• M5: 745,745 km (0.103 R)
• M6: 1,397,543 km (0.066 R)
• M7: 1,524,253 km (0.102 R)
• M8: 2,523,267 km (0.105 R)
• M9: 2,936,157 km (0.095 R)
• M10: 3,593,640 km (0.082 R)
• M11: 3,925,598 km (0.119 R)
• M12: 5,156,040 km (0.114 R)
• M13: 6,317,967 km (0.04 R)
• M14: 6,801,168 km (0.046 R)
• M15: 7,644,152 km (0.118 R)
• M16: 8,450,036 km (0.104 R)
• M17: 8,607,113 km (0.103 R)
• M18: 9,591,467 km (0.106 R)
• M19: 10,832,083 km (0.1 R)
• M20: 14,730,902 km (0.109 R)
• M21: 19,562,914 km (0.102 R)
• M22: 21,837,848 km (0.065 R)
• M23: 23,140,846 km (0.078 R)
• M24: 24,814,397 km (0.03 R)
• M25: 26,455,187 km (0.109 R)
• M26: 29,467,938 km (0.117 R)
• M27: 30,439,128 km (0.042 R)
• M28: 35,073,819 km (0.12 R)
• M29: 36,856,727 km (0.106 R)
• M30: 37,699,561 km (0.108 R)
• M31: 44,434,906 km (0.09 R)
• M32: 48,167,822 km (0.096 R)
• M33: 48,334,773 km (0.032 R)
• M34: 48,837,721 km (0.069 R)
• M35: 49,174,914 km (0.115 R)
• M36: 50,367,509 km (0.096 R)
• M37: 57,366,595 km (0.029 R)
• M38: 60,999,729 km (0.054 R)
• M39: 63,171,590 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 259.5

Radius: 3.5

Gravity: 21.18 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 9.84 AU - 11.18 AU

Year: 23110 Days

Day: 16.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 90,661,242 km

• M1: 43,533 km (0.05 R)
• M2: 216,917 km (0.091 R)
• M3: 335,997 km (0.102 R)
• M4: 565,480 km (0.06 R)
• M5: 1,373,458 km (0.093 R)
• M6: 1,630,617 km (0.1 R)
• M7: 2,341,506 km (0.028 R)
• M8: 3,187,332 km (0.107 R)
• M9: 4,188,292 km (0.081 R)
• M10: 6,618,359 km (0.04 R)
• M11: 8,032,508 km (0.115 R)
• M12: 9,529,833 km (0.054 R)
• M13: 10,854,373 km (0.09 R)
• M14: 11,028,056 km (0.083 R)
• M15: 11,500,486 km (0.112 R)
• M16: 11,620,613 km (0.099 R)
• M17: 12,422,308 km (0.089 R)
• M18: 15,628,490 km (0.03 R)
• M19: 18,101,193 km (0.101 R)
• M20: 18,263,955 km (0.069 R)
• M21: 18,757,778 km (0.049 R)
• M22: 23,610,434 km (0.116 R)
• M23: 25,295,504 km (0.074 R)
• M24: 28,792,205 km (0.051 R)
• M25: 30,482,810 km (0.096 R)
• M26: 32,717,952 km (0.103 R)
• M27: 33,690,787 km (0.106 R)
• M28: 33,937,025 km (0.039 R)
• M29: 37,379,122 km (0.056 R)
• M30: 37,908,100 km (0.072 R)
• M31: 39,798,718 km (0.086 R)
• M32: 41,186,987 km (0.072 R)
• M33: 42,463,804 km (0.112 R)
• M34: 43,766,652 km (0.055 R)
• M35: 46,451,934 km (0.1 R)
• M36: 48,614,970 km (0.114 R)
• M37: 50,844,128 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 860.5

Radius: 4.8

Gravity: 37.35 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 10.39 AU - 10.69 AU

Year: 23209 Days

Day: 25 Hours

Environment

Temp: -231 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 90,661,242 km

• M1: 60,587 km (0.109 R)
• M2: 287,527 km (0.053 R)
• M3: 444,904 km (0.079 R)
• M4: 806,482 km (0.09 R)
• M5: 1,343,688 km (0.11 R)
• M6: 1,964,519 km (0.09 R)
• M7: 2,732,704 km (0.108 R)
• M8: 4,357,636 km (0.115 R)
• M9: 4,611,803 km (0.077 R)
• M10: 5,270,483 km (0.111 R)
• M11: 6,078,311 km (0.112 R)
• M12: 6,868,487 km (0.053 R)
• M13: 7,163,045 km (0.037 R)
• M14: 7,517,293 km (0.038 R)
• M15: 7,989,873 km (0.067 R)
• M16: 10,205,268 km (0.082 R)
• M17: 13,095,199 km (0.095 R)
• M18: 14,011,486 km (0.108 R)
• M19: 14,565,297 km (0.074 R)
• M20: 20,624,460 km (0.078 R)
• M21: 21,967,550 km (0.095 R)
• M22: 24,941,107 km (0.106 R)
• M23: 26,703,818 km (0.093 R)
• M24: 26,944,820 km (0.116 R)
• M25: 28,297,036 km (0.082 R)
• M26: 28,926,394 km (0.09 R)
• M27: 34,585,981 km (0.066 R)
• M28: 36,773,550 km (0.116 R)
• M29: 40,146,384 km (0.113 R)
• M30: 44,560,419 km (0.081 R)
• M31: 55,504,251 km (0.047 R)
• M32: 58,292,605 km (0.089 R)
• M33: 59,927,112 km (0.097 R)
• M34: 65,231,553 km (0.106 R)
• M35: 77,739,132 km (0.049 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: 241 - 12,246 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit