🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304

Radius: 9.3

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.71 AU - 0.83 AU

Year: 436 Days

Day: 6.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 107.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,796,883 km

• M1: 116,088 km (0.026 R)
• M2: 507,436 km (0.094 R)
• M3: 834,307 km (0.098 R)
• M4: 1,339,499 km (0.104 R)
• M5: 1,743,114 km (0.067 R)
• M6: 2,115,763 km (0.065 R)
• M7: 2,541,219 km (0.032 R)
• M8: 2,875,421 km (0.059 R)
• M9: 3,323,765 km (0.09 R)
• M10: 4,246,036 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.5

Radius: 11.3

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.99 AU - 1.25 AU

Year: 765 Days

Day: 10.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,796,883 km

• M1: 140,622 km (0.103 R)
• M2: 537,804 km (0.111 R)
• M3: 1,197,531 km (0.076 R)
• M4: 1,551,330 km (0.079 R)
• M5: 1,957,488 km (0.056 R)
• M6: 2,348,537 km (0.066 R)
• M7: 2,852,831 km (0.074 R)
• M8: 3,250,762 km (0.081 R)
• M9: 5,027,835 km (0.053 R)
• M10: 6,432,559 km (0.05 R)
• M11: 7,664,946 km (0.087 R)
• M12: 8,807,126 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.8

Radius: 10

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.89 AU - 1.35 AU

Year: 765 Days

Day: 13.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,796,883 km

• M1: 126,261 km (0.042 R)
• M2: 475,422 km (0.074 R)
• M3: 839,394 km (0.12 R)
• M4: 1,266,346 km (0.076 R)
• M5: 1,879,248 km (0.106 R)
• M6: 2,229,906 km (0.089 R)
• M7: 2,548,250 km (0.064 R)
• M8: 3,040,876 km (0.089 R)
• M9: 3,421,453 km (0.031 R)
• M10: 3,805,171 km (0.104 R)
• M11: 4,676,130 km (0.088 R)
• M12: 5,544,845 km (0.093 R)
• M13: 6,683,285 km (0.091 R)
• M14: 7,088,097 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.7

Radius: 12.5

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.19 AU - 2.59 AU

Year: 2386 Days

Day: 8.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,796,883 km

• M1: 155,432 km (0.096 R)
• M2: 583,731 km (0.102 R)
• M3: 2,269,998 km (0.085 R)
• M4: 2,942,141 km (0.113 R)
• M5: 3,409,635 km (0.086 R)
• M6: 3,876,230 km (0.069 R)
• M7: 5,581,945 km (0.04 R)
• M8: 7,240,238 km (0.101 R)
• M9: 9,420,776 km (0.05 R)
• M10: 12,375,783 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.1

Radius: 11.1

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.45 AU - 4.03 AU

Year: 3766 Days

Day: 5.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,796,883 km

• M1: 138,228 km (0.11 R)
• M2: 1,402,031 km (0.048 R)
• M3: 1,832,873 km (0.074 R)
• M4: 2,427,225 km (0.084 R)
• M5: 3,708,082 km (0.092 R)
• M6: 6,085,641 km (0.118 R)
• M7: 7,610,044 km (0.09 R)
• M8: 9,491,387 km (0.115 R)
• M9: 11,619,865 km (0.079 R)
• M10: 14,304,249 km (0.086 R)
• M11: 16,289,413 km (0.086 R)
• M12: 18,088,926 km (0.115 R)
• M13: 22,914,055 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672

Radius: 13.6

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.95 AU - 3.69 AU

Year: 3906 Days

Day: 6.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,796,883 km

• M1: 169,195 km (0.101 R)
• M2: 879,336 km (0.062 R)
• M3: 1,378,395 km (0.076 R)
• M4: 2,207,317 km (0.081 R)
• M5: 3,444,341 km (0.043 R)
• M6: 4,352,251 km (0.12 R)
• M7: 4,975,176 km (0.078 R)
• M8: 5,467,503 km (0.114 R)
• M9: 6,672,663 km (0.055 R)
• M10: 7,273,149 km (0.072 R)
• M11: 9,065,033 km (0.031 R)
• M12: 9,963,218 km (0.109 R)
• M13: 10,454,797 km (0.049 R)
• M14: 13,161,172 km (0.11 R)
• M15: 13,703,763 km (0.11 R)
• M16: 15,313,885 km (0.085 R)
• M17: 15,914,521 km (0.11 R)
• M18: 16,417,618 km (0.083 R)
• M19: 18,414,600 km (0.097 R)
• M20: 20,568,959 km (0.116 R)
• M21: 21,368,111 km (0.071 R)
• M22: 24,108,594 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 564.2

Radius: 5.4

Gravity: 19.35 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 7.13 AU - 7.71 AU

Year: 13050 Days

Day: 19.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 59,796,883 km

• M1: 67,469 km (0.066 R)
• M2: 359,334 km (0.119 R)
• M3: 556,354 km (0.116 R)
• M4: 1,121,984 km (0.111 R)
• M5: 3,101,613 km (0.112 R)
• M6: 3,295,192 km (0.066 R)
• M7: 3,627,150 km (0.029 R)
• M8: 4,180,961 km (0.094 R)
• M9: 4,789,525 km (0.078 R)
• M10: 5,420,679 km (0.065 R)
• M11: 6,218,783 km (0.096 R)
• M12: 7,010,007 km (0.053 R)
• M13: 7,217,798 km (0.052 R)
• M14: 9,129,958 km (0.095 R)
• M15: 12,111,892 km (0.117 R)
• M16: 15,474,105 km (0.103 R)
• M17: 15,755,947 km (0.083 R)
• M18: 17,671,996 km (0.045 R)
• M19: 18,606,534 km (0.036 R)
• M20: 22,675,447 km (0.09 R)
• M21: 24,153,474 km (0.054 R)
• M22: 24,916,124 km (0.082 R)
• M23: 28,971,124 km (0.12 R)
• M24: 29,614,993 km (0.114 R)
• M25: 35,968,265 km (0.047 R)
• M26: 37,973,923 km (0.057 R)
• M27: 39,657,498 km (0.073 R)
• M28: 40,451,115 km (0.079 R)
• M29: 45,148,937 km (0.061 R)
• M30: 46,743,201 km (0.115 R)
• M31: 47,037,161 km (0.032 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 494.6

Radius: 3.3

Gravity: 45.42 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 6.77 AU - 10.51 AU

Year: 16398 Days

Day: 21.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 59,796,883 km

• M1: 40,990 km (0.119 R)
• M2: 198,068 km (0.09 R)
• M3: 378,034 km (0.052 R)
• M4: 490,980 km (0.115 R)
• M5: 634,893 km (0.046 R)
• M6: 963,560 km (0.075 R)
• M7: 1,409,810 km (0.099 R)
• M8: 1,575,116 km (0.105 R)
• M9: 2,188,467 km (0.07 R)
• M10: 2,691,864 km (0.089 R)
• M11: 3,294,145 km (0.1 R)
• M12: 3,695,815 km (0.117 R)
• M13: 4,099,430 km (0.082 R)
• M14: 4,595,946 km (0.051 R)
• M15: 4,759,007 km (0.069 R)
• M16: 6,445,125 km (0.094 R)
• M17: 6,900,501 km (0.112 R)
• M18: 7,691,275 km (0.055 R)
• M19: 8,737,413 km (0.118 R)
• M20: 8,937,276 km (0.114 R)
• M21: 9,608,073 km (0.051 R)
• M22: 11,579,922 km (0.03 R)
• M23: 12,501,744 km (0.079 R)
• M24: 18,830,183 km (0.106 R)
• M25: 21,518,756 km (0.118 R)
• M26: 22,251,935 km (0.117 R)
• M27: 23,287,153 km (0.068 R)
• M28: 26,898,595 km (0.086 R)
• M29: 29,502,944 km (0.049 R)
• M30: 29,839,988 km (0.098 R)
• M31: 31,213,297 km (0.06 R)
• M32: 36,609,292 km (0.063 R)
• M33: 37,521,240 km (0.113 R)
• M34: 41,320,727 km (0.107 R)
• M35: 41,742,443 km (0.118 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 15,143 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit