🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355

Radius: 10.8

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.9 AU - 1.14 AU

Year: 711 Days

Day: 6.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,334,676 km

• M1: 134,339 km (0.1 R)
• M2: 574,007 km (0.118 R)
• M3: 1,182,272 km (0.073 R)
• M4: 1,707,360 km (0.118 R)
• M5: 2,422,139 km (0.105 R)
• M6: 2,865,547 km (0.113 R)
• M7: 3,524,077 km (0.103 R)
• M8: 3,889,844 km (0.106 R)
• M9: 6,340,107 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.2

Radius: 8.3

Gravity: 12.78 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.25 AU - 1.51 AU

Year: 1119 Days

Day: 5.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,334,676 km

• M1: 103,372 km (0.029 R)
• M2: 446,998 km (0.075 R)
• M3: 809,474 km (0.113 R)
• M4: 1,704,069 km (0.049 R)
• M5: 2,099,307 km (0.099 R)
• M6: 2,384,141 km (0.075 R)
• M7: 3,131,831 km (0.097 R)
• M8: 3,842,421 km (0.108 R)
• M9: 5,623,384 km (0.07 R)
• M10: 6,131,568 km (0.053 R)
• M11: 6,408,623 km (0.107 R)
• M12: 7,062,964 km (0.075 R)
• M13: 7,922,254 km (0.058 R)
• M14: 8,504,340 km (0.058 R)
• M15: 9,660,582 km (0.091 R)
• M16: 10,552,933 km (0.046 R)
• M17: 11,189,173 km (0.103 R)
• M18: 12,064,919 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.9

Radius: 11

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.33 AU - 1.65 AU

Year: 1255 Days

Day: 9.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,334,676 km

• M1: 136,732 km (0.104 R)
• M2: 479,312 km (0.046 R)
• M3: 896,390 km (0.039 R)
• M4: 1,499,419 km (0.053 R)
• M5: 1,930,411 km (0.113 R)
• M6: 2,382,645 km (0.067 R)
• M7: 3,797,692 km (0.089 R)
• M8: 4,308,269 km (0.096 R)
• M9: 4,844,129 km (0.09 R)
• M10: 5,576,261 km (0.047 R)
• M11: 6,073,225 km (0.094 R)
• M12: 6,648,877 km (0.117 R)
• M13: 7,104,253 km (0.073 R)
• M14: 8,834,353 km (0.11 R)
• M15: 9,230,189 km (0.106 R)
• M16: 9,637,693 km (0.089 R)
• M17: 10,933,061 km (0.107 R)
• M18: 11,932,375 km (0.059 R)
• M19: 12,378,925 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.3

Radius: 8.1

Gravity: 12.5 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.23 AU - 1.81 AU

Year: 1294 Days

Day: 7.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,334,676 km

• M1: 100,679 km (0.09 R)
• M2: 432,338 km (0.061 R)
• M3: 693,386 km (0.116 R)
• M4: 1,010,833 km (0.044 R)
• M5: 1,574,518 km (0.075 R)
• M6: 2,002,218 km (0.053 R)
• M7: 2,556,628 km (0.043 R)
• M8: 2,961,439 km (0.077 R)
• M9: 3,239,542 km (0.087 R)
• M10: 3,747,576 km (0.064 R)
• M11: 6,184,077 km (0.104 R)
• M12: 6,814,632 km (0.073 R)
• M13: 7,093,931 km (0.094 R)
• M14: 7,460,595 km (0.066 R)
• M15: 8,006,179 km (0.109 R)
• M16: 8,904,215 km (0.119 R)
• M17: 9,207,749 km (0.039 R)
• M18: 10,029,490 km (0.1 R)
• M19: 10,592,576 km (0.035 R)
• M20: 11,673,421 km (0.045 R)
• M21: 12,110,995 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.3

Radius: 14.2

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.64 AU - 1.64 AU

Year: 1450 Days

Day: 12.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 77.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,334,676 km

• M1: 176,525 km (0.035 R)
• M2: 627,713 km (0.066 R)
• M3: 1,584,840 km (0.115 R)
• M4: 2,068,041 km (0.117 R)
• M5: 3,081,118 km (0.105 R)
• M6: 4,201,307 km (0.114 R)
• M7: 5,032,323 km (0.071 R)
• M8: 6,206,068 km (0.116 R)
• M9: 8,063,325 km (0.109 R)
• M10: 9,262,203 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.5

Radius: 14.4

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.06 AU - 3.22 AU

Year: 3841 Days

Day: 15 Hours

Environment

Temp: -216 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 80,334,676 km

• M1: 179,069 km (0.109 R)
• M2: 1,568,234 km (0.099 R)
• M3: 2,174,704 km (0.045 R)
• M4: 2,895,616 km (0.092 R)
• M5: 3,837,335 km (0.119 R)
• M6: 5,338,550 km (0.062 R)
• M7: 6,097,160 km (0.085 R)
• M8: 8,869,957 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.8

Radius: 8.7

Gravity: 12.38 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.83 AU - 4.65 AU

Year: 4993 Days

Day: 6.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 80,334,676 km

• M1: 108,309 km (0.064 R)
• M2: 498,610 km (0.063 R)
• M3: 825,331 km (0.055 R)
• M4: 1,264,551 km (0.117 R)
• M5: 1,563,896 km (0.066 R)
• M6: 2,476,443 km (0.069 R)
• M7: 2,780,276 km (0.081 R)
• M8: 3,335,733 km (0.115 R)
• M9: 4,667,005 km (0.072 R)
• M10: 6,224,169 km (0.104 R)
• M11: 6,620,155 km (0.117 R)
• M12: 7,138,511 km (0.045 R)
• M13: 9,231,685 km (0.068 R)
• M14: 9,659,983 km (0.096 R)
• M15: 9,967,557 km (0.037 R)
• M16: 10,281,712 km (0.118 R)
• M17: 11,215,951 km (0.113 R)
• M18: 12,410,340 km (0.052 R)
• M19: 13,687,607 km (0.11 R)
• M20: 20,749,823 km (0.103 R)
• M21: 21,410,896 km (0.119 R)
• M22: 23,795,785 km (0.091 R)
• M23: 24,519,989 km (0.073 R)
• M24: 26,182,021 km (0.106 R)
• M25: 27,476,791 km (0.108 R)
• M26: 30,474,881 km (0.069 R)
• M27: 31,906,982 km (0.12 R)
• M28: 33,184,099 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 747.3

Radius: 4.6

Gravity: 35.32 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 5.68 AU - 6.12 AU

Year: 9892 Days

Day: 21.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 80,334,676 km

• M1: 59,091 km (0.113 R)
• M2: 362,027 km (0.08 R)
• M3: 564,134 km (0.092 R)
• M4: 1,097,151 km (0.113 R)
• M5: 1,472,941 km (0.055 R)
• M6: 1,675,646 km (0.057 R)
• M7: 2,031,689 km (0.087 R)
• M8: 2,937,504 km (0.094 R)
• M9: 3,331,844 km (0.059 R)
• M10: 3,893,584 km (0.105 R)
• M11: 4,311,261 km (0.099 R)
• M12: 5,105,027 km (0.081 R)
• M13: 5,268,239 km (0.083 R)
• M14: 6,624,643 km (0.105 R)
• M15: 7,057,130 km (0.082 R)
• M16: 8,976,620 km (0.109 R)
• M17: 10,209,157 km (0.045 R)
• M18: 12,234,114 km (0.087 R)
• M19: 12,467,935 km (0.077 R)
• M20: 15,172,814 km (0.118 R)
• M21: 18,396,948 km (0.118 R)
• M22: 20,371,640 km (0.115 R)
• M23: 22,834,021 km (0.049 R)
• M24: 23,099,557 km (0.085 R)
• M25: 24,829,207 km (0.114 R)
• M26: 25,392,892 km (0.097 R)
• M27: 27,333,625 km (0.1 R)
• M28: 31,726,268 km (0.114 R)
• M29: 35,019,515 km (0.118 R)
• M30: 35,609,380 km (0.108 R)
• M31: 40,310,941 km (0.082 R)
• M32: 46,535,260 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 628.5

Radius: 3

Gravity: 69.83 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 9.31 AU - 11.19 AU

Year: 22652 Days

Day: 21.8 Hours

Environment

Temp: -243 °C

Axial Tilt: 51.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 80,334,676 km

• M1: 39,045 km (0.111 R)
• M2: 132,993 km (0.088 R)
• M3: 689,347 km (0.101 R)
• M4: 1,218,175 km (0.119 R)
• M5: 1,671,008 km (0.102 R)
• M6: 3,110,439 km (0.039 R)
• M7: 3,480,095 km (0.079 R)
• M8: 3,878,175 km (0.094 R)
• M9: 5,023,646 km (0.101 R)
• M10: 5,371,461 km (0.091 R)
• M11: 5,943,972 km (0.042 R)
• M12: 7,208,972 km (0.098 R)
• M13: 9,085,079 km (0.067 R)
• M14: 11,789,958 km (0.091 R)
• M15: 12,402,411 km (0.047 R)
• M16: 12,822,333 km (0.069 R)
• M17: 15,623,403 km (0.103 R)
• M18: 18,715,142 km (0.048 R)
• M19: 20,500,294 km (0.058 R)
• M20: 21,483,900 km (0.089 R)
• M21: 22,089,023 km (0.1 R)
• M22: 23,651,124 km (0.114 R)
• M23: 23,864,900 km (0.1 R)
• M24: 25,959,569 km (0.088 R)
• M25: 26,415,693 km (0.114 R)
• M26: 27,579,265 km (0.089 R)
• M27: 28,534,447 km (0.055 R)
• M28: 29,759,056 km (0.098 R)
• M29: 31,274,332 km (0.078 R)
• M30: 32,840,323 km (0.074 R)
• M31: 40,231,505 km (0.098 R)
• M32: 40,995,651 km (0.051 R)
• M33: 43,345,983 km (0.09 R)
• M34: 46,785,088 km (0.096 R)
• M35: 50,049,314 km (0.109 R)
• M36: 51,647,318 km (0.071 R)
• M37: 53,646,096 km (0.118 R)
• M38: 54,571,358 km (0.109 R)
• M39: 67,157,626 km (0.059 R)
• M40: 69,975,002 km (0.112 R)
• M41: 70,415,269 km (0.099 R)
• M42: 72,644,726 km (0.1 R)
• M43: 75,844,176 km (0.108 R)
• M44: 77,009,244 km (0.047 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 238 - 10,353 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit