🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.3

Radius: 8.7

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.54 AU - 0.72 AU

Year: 351 Days

Day: 6.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,333,742 km

• M1: 108,159 km (0.084 R)
• M2: 394,340 km (0.105 R)
• M3: 754,422 km (0.033 R)
• M4: 2,222,576 km (0.109 R)
• M5: 2,813,188 km (0.107 R)
• M6: 3,165,641 km (0.069 R)
• M7: 3,959,706 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.9

Radius: 14.6

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.68 AU - 0.92 AU

Year: 503 Days

Day: 6 Hours

Environment

Temp: -157 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,333,742 km

• M1: 181,612 km (0.093 R)
• M2: 718,967 km (0.065 R)
• M3: 1,467,406 km (0.118 R)
• M4: 1,935,497 km (0.042 R)
• M5: 2,417,202 km (0.032 R)
• M6: 3,061,520 km (0.064 R)
• M7: 3,538,289 km (0.098 R)
• M8: 4,140,719 km (0.075 R)
• M9: 4,882,127 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.3

Radius: 11

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.81 AU - 1.19 AU

Year: 703 Days

Day: 5 Hours

Environment

Temp: -184 °C

Axial Tilt: 109.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,333,742 km

• M1: 136,732 km (0.04 R)
• M2: 526,285 km (0.096 R)
• M3: 1,262,008 km (0.112 R)
• M4: 1,757,775 km (0.11 R)
• M5: 2,362,599 km (0.11 R)
• M6: 2,922,544 km (0.058 R)
• M7: 3,311,798 km (0.079 R)
• M8: 3,774,953 km (0.057 R)
• M9: 4,367,211 km (0.115 R)
• M10: 5,279,608 km (0.11 R)
• M11: 5,737,677 km (0.105 R)
• M12: 6,259,025 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.1

Radius: 15

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.74 AU - 3.84 AU

Year: 4195 Days

Day: 6.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,333,742 km

• M1: 186,549 km (0.077 R)
• M2: 1,583,493 km (0.118 R)
• M3: 2,308,894 km (0.114 R)
• M4: 3,152,925 km (0.029 R)
• M5: 3,898,371 km (0.065 R)
• M6: 4,532,666 km (0.08 R)
• M7: 5,831,624 km (0.114 R)
• M8: 6,441,535 km (0.115 R)
• M9: 7,646,845 km (0.05 R)
• M10: 10,459,135 km (0.081 R)
• M11: 13,795,766 km (0.031 R)
• M12: 14,332,224 km (0.118 R)
• M13: 15,504,323 km (0.116 R)
• M14: 17,350,062 km (0.074 R)
• M15: 19,538,679 km (0.074 R)
• M16: 23,460,088 km (0.094 R)
• M17: 24,614,684 km (0.055 R)
• M18: 25,405,159 km (0.101 R)
• M19: 28,391,881 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.8

Radius: 13.5

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.57 AU - 4.25 AU

Year: 4426 Days

Day: 9.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,333,742 km

• M1: 171,738 km (0.096 R)
• M2: 610,509 km (0.106 R)
• M3: 1,222,514 km (0.101 R)
• M4: 2,058,018 km (0.116 R)
• M5: 2,633,671 km (0.098 R)
• M6: 3,298,633 km (0.093 R)
• M7: 4,014,309 km (0.097 R)
• M8: 4,633,644 km (0.109 R)
• M9: 5,127,766 km (0.056 R)
• M10: 5,731,992 km (0.084 R)
• M11: 6,196,045 km (0.081 R)
• M12: 6,882,549 km (0.087 R)
• M13: 7,959,804 km (0.066 R)
• M14: 9,043,341 km (0.115 R)
• M15: 10,037,868 km (0.1 R)
• M16: 11,222,533 km (0.077 R)
• M17: 12,799,594 km (0.065 R)
• M18: 13,238,065 km (0.102 R)
• M19: 14,145,526 km (0.115 R)
• M20: 15,484,876 km (0.119 R)
• M21: 16,543,729 km (0.079 R)
• M22: 17,012,120 km (0.098 R)
• M23: 18,249,444 km (0.105 R)
• M24: 18,974,844 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.2

Radius: 8.3

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.11 AU - 3.77 AU

Year: 4485 Days

Day: 8.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,333,742 km

• M1: 139,276 km (0.079 R)
• M2: 417,976 km (0.09 R)
• M3: 841,488 km (0.094 R)
• M4: 1,739,374 km (0.111 R)
• M5: 5,367,422 km (0.113 R)
• M6: 6,398,750 km (0.088 R)
• M7: 6,778,878 km (0.089 R)
• M8: 10,010,342 km (0.08 R)
• M9: 11,750,763 km (0.028 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.1

Radius: 12.7

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 3.25 AU - 4.47 AU

Year: 5331 Days

Day: 5 Hours

Environment

Temp: -211 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,333,742 km

• M1: 158,275 km (0.069 R)
• M2: 555,606 km (0.108 R)
• M3: 1,450,351 km (0.102 R)
• M4: 2,378,606 km (0.073 R)
• M5: 3,241,038 km (0.105 R)
• M6: 4,952,438 km (0.1 R)
• M7: 5,842,246 km (0.084 R)
• M8: 6,770,800 km (0.074 R)
• M9: 8,571,958 km (0.081 R)
• M10: 9,481,064 km (0.102 R)
• M11: 10,541,264 km (0.073 R)
• M12: 11,352,234 km (0.096 R)
• M13: 12,896,533 km (0.088 R)
• M14: 14,741,225 km (0.044 R)
• M15: 15,412,470 km (0.103 R)
• M16: 19,408,828 km (0.101 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.2

Radius: 10.3

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.37 AU - 4.93 AU

Year: 5943 Days

Day: 11.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,333,742 km

• M1: 131,796 km (0.097 R)
• M2: 759,957 km (0.076 R)
• M3: 1,122,134 km (0.085 R)
• M4: 1,738,327 km (0.1 R)
• M5: 2,169,169 km (0.065 R)
• M6: 2,550,943 km (0.113 R)
• M7: 3,577,932 km (0.115 R)
• M8: 4,378,131 km (0.103 R)
• M9: 5,128,065 km (0.057 R)
• M10: 5,723,016 km (0.116 R)
• M11: 6,652,019 km (0.099 R)
• M12: 7,221,388 km (0.076 R)
• M13: 9,247,991 km (0.026 R)
• M14: 10,043,702 km (0.096 R)
• M15: 15,001,674 km (0.115 R)
• M16: 16,217,905 km (0.032 R)
• M17: 17,249,831 km (0.064 R)
• M18: 18,714,843 km (0.097 R)
• M19: 19,713,858 km (0.114 R)
• M20: 21,243,047 km (0.114 R)
• M21: 22,330,025 km (0.059 R)
• M22: 26,966,961 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 894.8

Radius: 3.2

Gravity: 87.38 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 6.9 AU - 7.96 AU

Year: 14236 Days

Day: 17.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,333,742 km

• M1: 39,793 km (0.056 R)
• M2: 636,090 km (0.12 R)
• M3: 1,606,382 km (0.043 R)
• M4: 2,356,914 km (0.09 R)
• M5: 2,553,636 km (0.103 R)
• M6: 4,442,010 km (0.111 R)
• M7: 5,127,018 km (0.113 R)
• M8: 5,235,477 km (0.057 R)
• M9: 5,684,869 km (0.065 R)
• M10: 10,130,768 km (0.059 R)
• M11: 10,301,908 km (0.105 R)
• M12: 10,649,723 km (0.108 R)
• M13: 11,246,768 km (0.076 R)
• M14: 19,793,145 km (0.071 R)
• M15: 23,558,373 km (0.079 R)
• M16: 39,740,226 km (0.047 R)
• M17: 42,781,700 km (0.111 R)
• M18: 45,819,135 km (0.116 R)
• M19: 46,757,562 km (0.025 R)
• M20: 48,028,696 km (0.073 R)
• M21: 48,511,298 km (0.094 R)
• M22: 55,257,863 km (0.113 R)
• M23: 61,084,850 km (0.08 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 373

Radius: 5.6

Gravity: 11.89 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 7.49 AU - 10.01 AU

Year: 18194 Days

Day: 15.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 58,333,742 km

• M1: 69,713 km (0.059 R)
• M2: 331,359 km (0.113 R)
• M3: 648,656 km (0.087 R)
• M4: 895,343 km (0.108 R)
• M5: 1,596,060 km (0.066 R)
• M6: 2,260,125 km (0.112 R)
• M7: 3,968,832 km (0.111 R)
• M8: 4,799,698 km (0.096 R)
• M9: 5,032,772 km (0.072 R)
• M10: 5,414,396 km (0.112 R)
• M11: 8,074,395 km (0.107 R)
• M12: 8,548,920 km (0.105 R)
• M13: 9,092,110 km (0.118 R)
• M14: 10,301,758 km (0.081 R)
• M15: 13,688,504 km (0.086 R)
• M16: 13,888,517 km (0.051 R)
• M17: 14,362,592 km (0.109 R)
• M18: 17,593,308 km (0.079 R)
• M19: 19,376,814 km (0.102 R)
• M20: 19,629,036 km (0.084 R)
• M21: 20,572,550 km (0.09 R)
• M22: 22,457,034 km (0.091 R)
• M23: 24,356,029 km (0.107 R)
• M24: 24,945,894 km (0.04 R)
• M25: 31,033,629 km (0.028 R)
• M26: 34,112,054 km (0.099 R)
• M27: 40,046,303 km (0.034 R)
• M28: 40,455,603 km (0.111 R)
• M29: 42,685,957 km (0.092 R)
• M30: 44,557,277 km (0.101 R)
• M31: 45,587,258 km (0.093 R)
• M32: 46,033,509 km (0.086 R)
• M33: 50,339,983 km (0.058 R)
• M34: 53,575,336 km (0.087 R)
• M35: 57,291,197 km (0.094 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: 221 - 15,862 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit