🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.8

Radius: 10.3

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.7 AU - 0.78 AU

Year: 432 Days

Day: 5 Hours

Environment

Temp: -162 °C

Axial Tilt: 113.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,489,249 km

• M1: 128,056 km (0.109 R)
• M2: 612,304 km (0.084 R)
• M3: 987,944 km (0.089 R)
• M4: 1,695,542 km (0.087 R)
• M5: 2,072,230 km (0.11 R)
• M6: 2,712,658 km (0.053 R)
• M7: 3,130,186 km (0.085 R)
• M8: 3,615,182 km (0.096 R)
• M9: 4,028,072 km (0.029 R)
• M10: 4,400,721 km (0.096 R)
• M11: 4,872,253 km (0.036 R)
• M12: 5,215,879 km (0.114 R)
• M13: 5,542,302 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.4

Radius: 10.4

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.01 AU - 1.15 AU

Year: 761 Days

Day: 9.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,489,249 km

• M1: 129,701 km (0.109 R)
• M2: 526,884 km (0.112 R)
• M3: 870,211 km (0.037 R)
• M4: 1,237,922 km (0.106 R)
• M5: 1,624,034 km (0.117 R)
• M6: 2,008,651 km (0.099 R)
• M7: 3,750,718 km (0.105 R)
• M8: 4,478,063 km (0.08 R)
• M9: 5,296,662 km (0.077 R)
• M10: 5,902,234 km (0.065 R)
• M11: 6,843,654 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.5

Radius: 8.8

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.17 AU - 1.37 AU

Year: 971 Days

Day: 6.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,489,249 km

• M1: 109,506 km (0.109 R)
• M2: 427,850 km (0.114 R)
• M3: 769,531 km (0.093 R)
• M4: 1,055,413 km (0.05 R)
• M5: 1,413,700 km (0.119 R)
• M6: 1,744,012 km (0.106 R)
• M7: 2,414,360 km (0.099 R)
• M8: 2,815,432 km (0.053 R)
• M9: 3,646,747 km (0.054 R)
• M10: 3,952,376 km (0.074 R)
• M11: 4,580,687 km (0.084 R)
• M12: 6,035,526 km (0.09 R)
• M13: 6,377,357 km (0.107 R)
• M14: 6,709,465 km (0.092 R)
• M15: 8,181,059 km (0.056 R)
• M16: 8,761,199 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715

Radius: 12.6

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.5 AU - 1.78 AU

Year: 1424 Days

Day: 9.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,489,249 km

• M1: 156,779 km (0.048 R)
• M2: 680,970 km (0.115 R)
• M3: 1,079,947 km (0.044 R)
• M4: 1,508,695 km (0.099 R)
• M5: 2,064,002 km (0.08 R)
• M6: 2,507,859 km (0.116 R)
• M7: 3,249,864 km (0.105 R)
• M8: 3,907,347 km (0.076 R)
• M9: 5,150,804 km (0.09 R)
• M10: 5,663,476 km (0.083 R)
• M11: 7,173,068 km (0.107 R)
• M12: 7,731,667 km (0.12 R)
• M13: 8,936,229 km (0.097 R)
• M14: 9,967,557 km (0.091 R)
• M15: 11,499,738 km (0.1 R)
• M16: 13,222,806 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.4

Radius: 9.5

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.43 AU - 2.77 AU

Year: 2843 Days

Day: 7.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,489,249 km

• M1: 118,930 km (0.094 R)
• M2: 435,031 km (0.12 R)
• M3: 1,558,062 km (0.12 R)
• M4: 2,898,908 km (0.12 R)
• M5: 3,861,420 km (0.086 R)
• M6: 4,819,295 km (0.106 R)
• M7: 5,623,534 km (0.105 R)
• M8: 8,911,545 km (0.077 R)
• M9: 9,431,996 km (0.091 R)
• M10: 10,083,345 km (0.062 R)
• M11: 11,395,019 km (0.093 R)
• M12: 11,925,344 km (0.036 R)
• M13: 12,429,489 km (0.071 R)
• M14: 14,828,141 km (0.115 R)
• M15: 15,313,137 km (0.117 R)
• M16: 17,306,080 km (0.097 R)
• M17: 18,392,460 km (0.109 R)
• M18: 18,726,961 km (0.041 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.6

Radius: 8

Gravity: 15.1 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.28 AU - 3.08 AU

Year: 2976 Days

Day: 14.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,489,249 km

• M1: 159,471 km (0.11 R)
• M2: 450,439 km (0.072 R)
• M3: 712,086 km (0.088 R)
• M4: 964,906 km (0.056 R)
• M5: 2,437,548 km (0.078 R)
• M6: 2,788,504 km (0.035 R)
• M7: 3,435,665 km (0.036 R)
• M8: 3,857,231 km (0.097 R)
• M9: 5,410,207 km (0.095 R)
• M10: 5,704,765 km (0.071 R)
• M11: 6,503,019 km (0.116 R)
• M12: 7,904,901 km (0.103 R)
• M13: 8,969,589 km (0.042 R)
• M14: 10,126,878 km (0.083 R)
• M15: 14,754,838 km (0.118 R)
• M16: 15,813,991 km (0.09 R)
• M17: 18,261,113 km (0.117 R)
• M18: 19,356,618 km (0.066 R)
• M19: 21,544,337 km (0.083 R)
• M20: 22,014,374 km (0.076 R)
• M21: 23,184,528 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.3

Radius: 12.2

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.16 AU - 4.42 AU

Year: 5004 Days

Day: 13 Hours

Environment

Temp: -220 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,489,249 km

• M1: 151,692 km (0.046 R)
• M2: 1,119,142 km (0.082 R)
• M3: 1,693,747 km (0.106 R)
• M4: 3,683,698 km (0.119 R)
• M5: 4,127,405 km (0.099 R)
• M6: 4,583,080 km (0.093 R)
• M7: 5,843,742 km (0.089 R)
• M8: 6,877,164 km (0.095 R)
• M9: 11,980,994 km (0.043 R)
• M10: 12,487,981 km (0.068 R)
• M11: 12,913,288 km (0.085 R)
• M12: 16,958,714 km (0.116 R)
• M13: 18,435,694 km (0.084 R)
• M14: 19,550,946 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 660.3

Radius: 3

Gravity: 73.37 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 5.33 AU - 6.29 AU

Year: 9499 Days

Day: 17.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 49,489,249 km

• M1: 37,549 km (0.085 R)
• M2: 133,142 km (0.086 R)
• M3: 286,480 km (0.103 R)
• M4: 448,644 km (0.079 R)
• M5: 600,785 km (0.116 R)
• M6: 709,543 km (0.074 R)
• M7: 869,014 km (0.042 R)
• M8: 1,386,024 km (0.073 R)
• M9: 1,563,597 km (0.11 R)
• M10: 1,680,134 km (0.098 R)
• M11: 2,014,186 km (0.082 R)
• M12: 2,278,675 km (0.083 R)
• M13: 2,467,467 km (0.105 R)
• M14: 2,585,650 km (0.094 R)
• M15: 3,748,623 km (0.099 R)
• M16: 4,604,174 km (0.105 R)
• M17: 5,415,742 km (0.034 R)
• M18: 7,195,957 km (0.067 R)
• M19: 7,397,016 km (0.12 R)
• M20: 7,684,843 km (0.037 R)
• M21: 8,022,784 km (0.092 R)
• M22: 8,414,731 km (0.079 R)
• M23: 8,773,766 km (0.108 R)
• M24: 12,534,207 km (0.03 R)
• M25: 15,517,039 km (0.097 R)
• M26: 18,189,456 km (0.098 R)
• M27: 18,487,454 km (0.114 R)
• M28: 18,713,048 km (0.073 R)
• M29: 23,531,745 km (0.078 R)
• M30: 24,876,480 km (0.074 R)
• M31: 25,988,441 km (0.117 R)
• M32: 35,058,411 km (0.106 R)
• M33: 37,405,452 km (0.065 R)
• M34: 38,250,979 km (0.114 R)
• M35: 40,610,287 km (0.054 R)
• M36: 41,503,386 km (0.055 R)
• M37: 42,801,746 km (0.088 R)
• M38: 43,859,852 km (0.097 R)
• M39: 44,529,901 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 490.3

Radius: 7.5

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 5.48 AU - 8.4 AU

Year: 12400 Days

Day: 17.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 49,489,249 km

• M1: 93,947 km (0.075 R)
• M2: 386,112 km (0.106 R)
• M3: 1,022,950 km (0.053 R)
• M4: 1,400,535 km (0.045 R)
• M5: 2,266,109 km (0.119 R)
• M6: 3,623,709 km (0.105 R)
• M7: 6,304,952 km (0.109 R)
• M8: 6,919,201 km (0.113 R)
• M9: 7,240,986 km (0.068 R)
• M10: 7,785,223 km (0.105 R)
• M11: 9,731,042 km (0.112 R)
• M12: 10,498,330 km (0.088 R)
• M13: 11,250,209 km (0.108 R)
• M14: 12,385,806 km (0.066 R)
• M15: 16,747,332 km (0.04 R)
• M16: 18,684,325 km (0.059 R)
• M17: 19,467,470 km (0.108 R)
• M18: 20,436,116 km (0.096 R)
• M19: 21,099,284 km (0.068 R)
• M20: 21,691,392 km (0.047 R)
• M21: 22,556,367 km (0.119 R)
• M22: 25,289,221 km (0.092 R)
• M23: 27,030,839 km (0.097 R)
• M24: 34,100,685 km (0.097 R)
• M25: 35,863,397 km (0.12 R)
• M26: 38,431,992 km (0.095 R)
• M27: 39,825,197 km (0.071 R)
• M28: 40,859,517 km (0.1 R)
• M29: 45,315,289 km (0.111 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 167 - 16,731 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit