🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293

Radius: 11.3

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.84 AU - 0.84 AU

Year: 497 Days

Day: 7.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,660,025 km

• M1: 140,472 km (0.098 R)
• M2: 509,680 km (0.076 R)
• M3: 929,452 km (0.052 R)
• M4: 1,292,675 km (0.048 R)
• M5: 2,046,648 km (0.05 R)
• M6: 2,399,550 km (0.091 R)
• M7: 3,042,521 km (0.083 R)
• M8: 3,517,495 km (0.051 R)
• M9: 3,917,968 km (0.064 R)
• M10: 4,658,627 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.2

Radius: 14.9

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.7 AU - 1.14 AU

Year: 570 Days

Day: 11.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,660,025 km

• M1: 185,950 km (0.094 R)
• M2: 665,411 km (0.096 R)
• M3: 1,232,986 km (0.088 R)
• M4: 1,738,776 km (0.105 R)
• M5: 2,735,247 km (0.055 R)
• M6: 3,284,122 km (0.102 R)
• M7: 3,847,956 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.9

Radius: 13.8

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.36 AU - 1.5 AU

Year: 1104 Days

Day: 8.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,660,025 km

• M1: 171,738 km (0.036 R)
• M2: 648,357 km (0.099 R)
• M3: 1,158,935 km (0.103 R)
• M4: 1,926,521 km (0.096 R)
• M5: 2,854,327 km (0.108 R)
• M6: 3,776,000 km (0.089 R)
• M7: 4,396,233 km (0.111 R)
• M8: 5,101,886 km (0.114 R)
• M9: 5,549,333 km (0.052 R)
• M10: 7,211,515 km (0.102 R)
• M11: 7,971,921 km (0.108 R)
• M12: 8,943,858 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.6

Radius: 13

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.69 AU - 1.87 AU

Year: 1533 Days

Day: 9.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,660,025 km

• M1: 161,715 km (0.092 R)
• M2: 582,085 km (0.102 R)
• M3: 1,213,538 km (0.056 R)
• M4: 1,618,350 km (0.088 R)
• M5: 2,198,042 km (0.115 R)
• M6: 2,714,753 km (0.117 R)
• M7: 3,659,912 km (0.084 R)
• M8: 4,106,462 km (0.043 R)
• M9: 4,834,554 km (0.087 R)
• M10: 5,241,012 km (0.063 R)
• M11: 6,346,091 km (0.117 R)
• M12: 7,714,912 km (0.116 R)
• M13: 8,212,474 km (0.104 R)
• M14: 9,175,137 km (0.058 R)
• M15: 10,073,621 km (0.103 R)
• M16: 11,176,607 km (0.115 R)
• M17: 12,162,456 km (0.109 R)
• M18: 13,329,469 km (0.075 R)
• M19: 14,350,774 km (0.068 R)
• M20: 15,195,553 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.1

Radius: 13.9

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.57 AU - 2.15 AU

Year: 1638 Days

Day: 8.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,660,025 km

• M1: 172,935 km (0.037 R)
• M2: 773,870 km (0.086 R)
• M3: 1,228,947 km (0.111 R)
• M4: 1,849,927 km (0.111 R)
• M5: 2,461,035 km (0.053 R)
• M6: 3,294,893 km (0.078 R)
• M7: 3,904,804 km (0.074 R)
• M8: 5,227,099 km (0.078 R)
• M9: 5,855,410 km (0.119 R)
• M10: 6,317,817 km (0.075 R)
• M11: 6,779,776 km (0.082 R)
• M12: 7,238,143 km (0.099 R)
• M13: 7,744,532 km (0.068 R)
• M14: 8,447,044 km (0.077 R)
• M15: 9,658,936 km (0.105 R)
• M16: 11,053,188 km (0.104 R)
• M17: 11,618,369 km (0.108 R)
• M18: 12,653,736 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.4

Radius: 13.1

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.46 AU - 3.96 AU

Year: 3713 Days

Day: 12.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,660,025 km

• M1: 163,062 km (0.047 R)
• M2: 668,104 km (0.115 R)
• M3: 1,197,830 km (0.091 R)
• M4: 1,630,916 km (0.099 R)
• M5: 2,632,025 km (0.062 R)
• M6: 3,818,934 km (0.119 R)
• M7: 6,391,569 km (0.039 R)
• M8: 7,223,034 km (0.095 R)
• M9: 8,694,778 km (0.112 R)
• M10: 9,953,644 km (0.11 R)
• M11: 11,287,010 km (0.107 R)
• M12: 11,951,673 km (0.031 R)
• M13: 13,069,169 km (0.099 R)
• M14: 13,952,245 km (0.064 R)
• M15: 15,085,000 km (0.057 R)
• M16: 17,358,589 km (0.073 R)
• M17: 19,347,792 km (0.117 R)
• M18: 22,437,437 km (0.091 R)
• M19: 24,426,789 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.7

Radius: 14.9

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 3.65 AU - 3.93 AU

Year: 4764 Days

Day: 7.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,660,025 km

• M1: 187,147 km (0.102 R)
• M2: 651,798 km (0.087 R)
• M3: 1,174,194 km (0.12 R)
• M4: 1,959,882 km (0.066 R)
• M5: 3,003,327 km (0.04 R)
• M6: 3,872,490 km (0.112 R)
• M7: 4,984,451 km (0.118 R)
• M8: 6,081,453 km (0.096 R)
• M9: 6,556,725 km (0.119 R)
• M10: 7,091,089 km (0.054 R)
• M11: 7,654,624 km (0.116 R)
• M12: 8,478,310 km (0.106 R)
• M13: 15,058,073 km (0.11 R)
• M14: 17,026,631 km (0.085 R)
• M15: 20,610,398 km (0.112 R)
• M16: 21,542,991 km (0.076 R)
• M17: 23,338,465 km (0.081 R)
• M18: 24,589,851 km (0.086 R)
• M19: 25,394,239 km (0.047 R)
• M20: 26,633,807 km (0.117 R)
• M21: 27,140,794 km (0.084 R)
• M22: 28,877,475 km (0.051 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.9

Radius: 8.3

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.96 AU - 4.8 AU

Year: 4935 Days

Day: 10.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,660,025 km

• M1: 103,671 km (0.115 R)
• M2: 556,803 km (0.074 R)
• M3: 1,292,974 km (0.087 R)
• M4: 1,974,841 km (0.108 R)
• M5: 2,430,517 km (0.103 R)
• M6: 3,499,094 km (0.082 R)
• M7: 4,012,364 km (0.115 R)
• M8: 5,188,653 km (0.114 R)
• M9: 5,782,107 km (0.088 R)
• M10: 6,553,284 km (0.107 R)
• M11: 6,824,954 km (0.066 R)
• M12: 8,018,895 km (0.108 R)
• M13: 8,298,643 km (0.097 R)
• M14: 10,479,929 km (0.032 R)
• M15: 11,041,819 km (0.118 R)
• M16: 11,623,455 km (0.074 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 405.6

Radius: 4.9

Gravity: 16.89 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.92 AU - 7.12 AU

Year: 9537 Days

Day: 24.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 36,660,025 km

• M1: 83,176 km (0.106 R)
• M2: 391,498 km (0.085 R)
• M3: 566,228 km (0.088 R)
• M4: 737,368 km (0.08 R)
• M5: 952,789 km (0.096 R)
• M6: 1,198,578 km (0.111 R)
• M7: 1,604,886 km (0.031 R)
• M8: 1,907,971 km (0.04 R)
• M9: 2,114,267 km (0.089 R)
• M10: 3,515,251 km (0.111 R)
• M11: 3,875,632 km (0.08 R)
• M12: 4,669,997 km (0.1 R)
• M13: 5,045,787 km (0.053 R)
• M14: 5,923,627 km (0.095 R)
• M15: 6,364,043 km (0.067 R)
• M16: 6,539,073 km (0.051 R)
• M17: 7,936,466 km (0.092 R)
• M18: 9,430,799 km (0.093 R)
• M19: 13,019,652 km (0.089 R)
• M20: 13,473,682 km (0.06 R)
• M21: 13,938,183 km (0.069 R)
• M22: 15,083,953 km (0.079 R)
• M23: 15,584,657 km (0.085 R)
• M24: 16,487,481 km (0.086 R)
• M25: 16,818,241 km (0.099 R)
• M26: 17,424,711 km (0.085 R)
• M27: 22,405,273 km (0.085 R)
• M28: 23,056,772 km (0.093 R)
• M29: 25,436,724 km (0.106 R)
• M30: 25,701,064 km (0.115 R)
• M31: 25,967,348 km (0.114 R)
• M32: 26,958,883 km (0.053 R)
• M33: 27,417,999 km (0.114 R)
• M34: 29,889,056 km (0.086 R)
• M35: 31,582,803 km (0.085 R)
• M36: 32,401,403 km (0.069 R)
• M37: 36,820,524 km (0.073 R)
• M38: 38,881,384 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 142.5

Radius: 3.6

Gravity: 11 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 6.87 AU - 9.17 AU

Year: 14665 Days

Day: 18.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 36,660,025 km

• M1: 47,871 km (0.111 R)
• M2: 181,163 km (0.115 R)
• M3: 328,966 km (0.077 R)
• M4: 688,300 km (0.111 R)
• M5: 1,033,422 km (0.101 R)
• M6: 1,324,988 km (0.052 R)
• M7: 1,535,323 km (0.094 R)
• M8: 2,216,741 km (0.07 R)
• M9: 2,477,191 km (0.057 R)
• M10: 3,228,023 km (0.088 R)
• M11: 4,959,169 km (0.098 R)
• M12: 8,561,785 km (0.051 R)
• M13: 8,813,559 km (0.081 R)
• M14: 11,355,825 km (0.11 R)
• M15: 12,550,065 km (0.097 R)
• M16: 14,055,917 km (0.053 R)
• M17: 14,942,434 km (0.093 R)
• M18: 15,245,968 km (0.093 R)
• M19: 15,430,123 km (0.107 R)
• M20: 16,826,021 km (0.038 R)
• M21: 24,574,143 km (0.094 R)
• M22: 28,094,331 km (0.119 R)
• M23: 28,836,486 km (0.091 R)
• M24: 30,846,782 km (0.034 R)
• M25: 33,462,501 km (0.052 R)
• M26: 36,113,524 km (0.046 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 17,449 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit