🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674

Radius: 15

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.59 AU - 0.65 AU

Year: 331 Days

Day: 8.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 82,906,914 km

• M1: 186,549 km (0.118 R)
• M2: 668,254 km (0.099 R)
• M3: 1,647,521 km (0.095 R)
• M4: 2,756,191 km (0.106 R)
• M5: 3,290,106 km (0.047 R)
• M6: 4,127,256 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.9

Radius: 10.2

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.08 AU - 1.1 AU

Year: 772 Days

Day: 9.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 82,906,914 km

• M1: 132,693 km (0.095 R)
• M2: 497,862 km (0.095 R)
• M3: 1,116,299 km (0.103 R)
• M4: 2,008,052 km (0.057 R)
• M5: 2,652,819 km (0.09 R)
• M6: 3,259,588 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.6

Radius: 13.8

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.41 AU - 1.65 AU

Year: 1284 Days

Day: 8.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 82,906,914 km

• M1: 172,337 km (0.049 R)
• M2: 614,398 km (0.058 R)
• M3: 1,054,515 km (0.097 R)
• M4: 1,859,352 km (0.074 R)
• M5: 3,008,862 km (0.097 R)
• M6: 3,501,488 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.3

Radius: 8.9

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.97 AU - 3.15 AU

Year: 2778 Days

Day: 7.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 82,906,914 km

• M1: 110,702 km (0.083 R)
• M2: 392,246 km (0.101 R)
• M3: 745,596 km (0.063 R)
• M4: 1,065,137 km (0.086 R)
• M5: 1,755,381 km (0.049 R)
• M6: 2,463,279 km (0.102 R)
• M7: 2,748,412 km (0.096 R)
• M8: 3,191,671 km (0.043 R)
• M9: 4,077,140 km (0.09 R)
• M10: 4,391,745 km (0.12 R)
• M11: 4,790,722 km (0.079 R)
• M12: 6,521,121 km (0.104 R)
• M13: 7,011,802 km (0.097 R)
• M14: 7,905,649 km (0.043 R)
• M15: 8,463,799 km (0.066 R)
• M16: 9,153,744 km (0.063 R)
• M17: 10,182,080 km (0.055 R)
• M18: 10,567,444 km (0.06 R)
• M19: 11,367,344 km (0.07 R)
• M20: 13,635,846 km (0.106 R)
• M21: 14,342,546 km (0.092 R)
• M22: 14,632,018 km (0.115 R)
• M23: 15,473,357 km (0.103 R)
• M24: 16,086,409 km (0.103 R)
• M25: 16,399,068 km (0.082 R)
• M26: 18,759,124 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.4

Radius: 10.4

Gravity: 9.09 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.69 AU - 4.43 AU

Year: 4556 Days

Day: 11.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,906,914 km

• M1: 129,402 km (0.118 R)
• M2: 455,226 km (0.079 R)
• M3: 891,005 km (0.06 R)
• M4: 1,223,860 km (0.103 R)
• M5: 1,797,418 km (0.111 R)
• M6: 2,185,326 km (0.067 R)
• M7: 2,901,451 km (0.11 R)
• M8: 3,376,873 km (0.118 R)
• M9: 4,612,701 km (0.093 R)
• M10: 5,405,420 km (0.116 R)
• M11: 6,003,363 km (0.106 R)
• M12: 6,982,331 km (0.097 R)
• M13: 8,527,228 km (0.116 R)
• M14: 8,926,505 km (0.025 R)
• M15: 9,848,925 km (0.115 R)
• M16: 14,573,226 km (0.111 R)
• M17: 14,914,309 km (0.111 R)
• M18: 15,260,928 km (0.114 R)
• M19: 17,903,873 km (0.113 R)
• M20: 18,493,438 km (0.064 R)
• M21: 19,163,637 km (0.108 R)
• M22: 19,849,842 km (0.096 R)
• M23: 21,126,361 km (0.075 R)
• M24: 21,932,843 km (0.093 R)
• M25: 29,501,598 km (0.052 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 165.3

Radius: 6.7

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 8.47 AU - 8.63 AU

Year: 16957 Days

Day: 22.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,906,914 km

• M1: 83,326 km (0.047 R)
• M2: 326,273 km (0.107 R)
• M3: 785,538 km (0.102 R)
• M4: 1,159,533 km (0.107 R)
• M5: 3,288,760 km (0.11 R)
• M6: 6,038,219 km (0.067 R)
• M7: 7,014,794 km (0.107 R)
• M8: 7,721,943 km (0.11 R)
• M9: 9,982,816 km (0.037 R)
• M10: 10,522,565 km (0.062 R)
• M11: 12,259,246 km (0.105 R)
• M12: 12,935,429 km (0.098 R)
• M13: 33,711,282 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 663.7

Radius: 5.2

Gravity: 24.55 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 9.77 AU - 11.25 AU

Year: 23110 Days

Day: 20.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 82,906,914 km

• M1: 87,365 km (0.05 R)
• M2: 327,769 km (0.1 R)
• M3: 493,673 km (0.112 R)
• M4: 1,209,948 km (0.12 R)
• M5: 1,606,382 km (0.118 R)
• M6: 1,825,393 km (0.114 R)
• M7: 2,256,983 km (0.095 R)
• M8: 2,678,699 km (0.104 R)
• M9: 2,987,918 km (0.028 R)
• M10: 3,586,160 km (0.072 R)
• M11: 5,858,253 km (0.081 R)
• M12: 6,071,729 km (0.057 R)
• M13: 6,290,441 km (0.092 R)
• M14: 6,930,720 km (0.075 R)
• M15: 7,971,472 km (0.092 R)
• M16: 8,501,946 km (0.093 R)
• M17: 9,457,278 km (0.075 R)
• M18: 10,296,223 km (0.093 R)
• M19: 11,983,837 km (0.108 R)
• M20: 12,467,935 km (0.112 R)
• M21: 13,922,924 km (0.099 R)
• M22: 15,978,698 km (0.064 R)
• M23: 19,617,816 km (0.068 R)
• M24: 20,779,144 km (0.09 R)
• M25: 21,578,296 km (0.079 R)
• M26: 21,985,501 km (0.099 R)
• M27: 24,207,778 km (0.102 R)
• M28: 26,112,907 km (0.061 R)
• M29: 27,516,434 km (0.1 R)
• M30: 30,985,309 km (0.081 R)
• M31: 32,958,505 km (0.084 R)
• M32: 37,444,497 km (0.094 R)
• M33: 37,884,913 km (0.079 R)
• M34: 42,479,961 km (0.072 R)
• M35: 43,927,620 km (0.112 R)
• M36: 49,870,395 km (0.112 R)
• M37: 50,581,882 km (0.102 R)
• M38: 52,207,413 km (0.11 R)
• M39: 56,327,039 km (0.104 R)
• M40: 57,292,693 km (0.108 R)
• M41: 57,487,171 km (0.117 R)
• M42: 69,532,941 km (0.102 R)
• M43: 73,817,274 km (0.12 R)
• M44: 81,916,802 km (0.118 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: 223 - 14,935 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit