🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.4

Radius: 14.6

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.74 AU - 0.9 AU

Year: 495 Days

Day: 7 Hours

Environment

Temp: -163 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,824,961 km

• M1: 181,612 km (0.113 R)
• M2: 849,716 km (0.099 R)
• M3: 1,481,767 km (0.028 R)
• M4: 2,116,511 km (0.095 R)
• M5: 2,789,551 km (0.088 R)
• M6: 3,292,948 km (0.082 R)
• M7: 4,021,191 km (0.117 R)
• M8: 4,884,370 km (0.105 R)
• M9: 5,399,735 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.8

Radius: 13.2

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.93 AU - 1.29 AU

Year: 780 Days

Day: 13 Hours

Environment

Temp: -189 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,824,961 km

• M1: 164,408 km (0.067 R)
• M2: 591,959 km (0.093 R)
• M3: 1,025,493 km (0.072 R)
• M4: 1,501,514 km (0.119 R)
• M5: 1,976,038 km (0.109 R)
• M6: 2,387,881 km (0.083 R)
• M7: 2,955,007 km (0.103 R)
• M8: 3,499,393 km (0.076 R)
• M9: 3,934,424 km (0.113 R)
• M10: 5,232,485 km (0.047 R)
• M11: 6,233,145 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950

Radius: 9.5

Gravity: 10.53 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.44 AU - 1.84 AU

Year: 1401 Days

Day: 13.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,824,961 km

• M1: 118,182 km (0.091 R)
• M2: 488,886 km (0.095 R)
• M3: 830,717 km (0.096 R)
• M4: 2,175,303 km (0.052 R)
• M5: 2,765,915 km (0.111 R)
• M6: 3,363,409 km (0.067 R)
• M7: 3,831,201 km (0.097 R)
• M8: 5,213,935 km (0.111 R)
• M9: 6,198,438 km (0.073 R)
• M10: 6,594,873 km (0.075 R)
• M11: 8,562,234 km (0.119 R)
• M12: 9,244,101 km (0.047 R)
• M13: 9,894,852 km (0.101 R)
• M14: 10,231,597 km (0.089 R)
• M15: 10,786,306 km (0.106 R)
• M16: 11,360,911 km (0.063 R)
• M17: 12,107,704 km (0.116 R)
• M18: 14,330,279 km (0.035 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.8

Radius: 12.8

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.94 AU - 1.94 AU

Year: 1802 Days

Day: 13.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,824,961 km

• M1: 162,912 km (0.098 R)
• M2: 813,663 km (0.116 R)
• M3: 1,230,742 km (0.106 R)
• M4: 2,024,508 km (0.096 R)
• M5: 2,425,729 km (0.085 R)
• M6: 3,059,875 km (0.093 R)
• M7: 5,084,084 km (0.105 R)
• M8: 6,327,840 km (0.044 R)
• M9: 6,900,052 km (0.064 R)
• M10: 7,365,750 km (0.109 R)
• M11: 8,118,676 km (0.066 R)
• M12: 8,638,230 km (0.081 R)
• M13: 9,310,672 km (0.1 R)
• M14: 10,616,213 km (0.083 R)
• M15: 11,163,891 km (0.034 R)
• M16: 12,118,774 km (0.117 R)
• M17: 14,946,323 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.6

Radius: 11

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 5.27 AU - 5.33 AU

Year: 8137 Days

Day: 10.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,824,961 km

• M1: 136,732 km (0.063 R)
• M2: 672,293 km (0.064 R)
• M3: 1,497,026 km (0.072 R)
• M4: 2,164,831 km (0.108 R)
• M5: 3,268,564 km (0.081 R)
• M6: 4,141,318 km (0.104 R)
• M7: 4,632,747 km (0.107 R)
• M8: 6,857,866 km (0.083 R)
• M9: 8,006,777 km (0.103 R)
• M10: 8,403,511 km (0.073 R)
• M11: 9,366,023 km (0.114 R)
• M12: 10,077,960 km (0.114 R)
• M13: 10,873,521 km (0.051 R)
• M14: 11,360,761 km (0.104 R)
• M15: 13,401,576 km (0.094 R)
• M16: 14,190,555 km (0.114 R)
• M17: 14,950,512 km (0.032 R)
• M18: 19,446,377 km (0.095 R)
• M19: 20,384,056 km (0.101 R)
• M20: 22,427,563 km (0.063 R)
• M21: 22,899,544 km (0.119 R)
• M22: 24,770,715 km (0.086 R)
• M23: 26,217,775 km (0.033 R)
• M24: 26,653,853 km (0.104 R)
• M25: 30,033,269 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.3

Radius: 11.6

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.07 AU - 6.71 AU

Year: 8345 Days

Day: 13.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,824,961 km

• M1: 149,897 km (0.078 R)
• M2: 836,551 km (0.085 R)
• M3: 1,414,897 km (0.118 R)
• M4: 2,650,126 km (0.064 R)
• M5: 4,502,148 km (0.098 R)
• M6: 5,299,056 km (0.099 R)
• M7: 5,715,087 km (0.119 R)
• M8: 6,257,081 km (0.065 R)
• M9: 6,722,480 km (0.082 R)
• M10: 7,096,175 km (0.09 R)
• M11: 8,644,962 km (0.103 R)
• M12: 9,042,742 km (0.069 R)
• M13: 9,970,548 km (0.115 R)
• M14: 11,114,823 km (0.083 R)
• M15: 11,745,527 km (0.101 R)
• M16: 14,510,096 km (0.109 R)
• M17: 16,986,389 km (0.103 R)
• M18: 24,124,601 km (0.082 R)
• M19: 26,270,882 km (0.091 R)
• M20: 29,724,648 km (0.103 R)
• M21: 36,134,917 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 549.7

Radius: 4.3

Gravity: 29.73 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 8.77 AU - 11.09 AU

Year: 20867 Days

Day: 20 Hours

Environment

Temp: -229 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 69,824,961 km

• M1: 65,524 km (0.079 R)
• M2: 484,398 km (0.073 R)
• M3: 726,597 km (0.086 R)
• M4: 1,216,679 km (0.098 R)
• M5: 1,532,331 km (0.11 R)
• M6: 2,156,453 km (0.096 R)
• M7: 3,705,240 km (0.083 R)
• M8: 5,400,034 km (0.079 R)
• M9: 6,160,740 km (0.07 R)
• M10: 6,545,056 km (0.103 R)
• M11: 7,036,186 km (0.053 R)
• M12: 12,681,411 km (0.12 R)
• M13: 16,148,641 km (0.119 R)
• M14: 17,713,136 km (0.043 R)
• M15: 17,969,098 km (0.098 R)
• M16: 18,488,352 km (0.106 R)
• M17: 19,285,858 km (0.107 R)
• M18: 20,106,103 km (0.091 R)
• M19: 20,759,996 km (0.085 R)
• M20: 22,406,619 km (0.078 R)
• M21: 26,620,642 km (0.103 R)
• M22: 28,795,496 km (0.078 R)
• M23: 29,030,963 km (0.114 R)
• M24: 32,338,572 km (0.062 R)
• M25: 33,494,514 km (0.113 R)
• M26: 42,215,921 km (0.103 R)
• M27: 45,801,333 km (0.108 R)
• M28: 48,411,816 km (0.034 R)
• M29: 50,947,500 km (0.081 R)
• M30: 53,038,728 km (0.083 R)
• M31: 54,644,362 km (0.072 R)
• M32: 55,915,196 km (0.083 R)
• M33: 57,577,976 km (0.086 R)
• M34: 65,979,094 km (0.109 R)
• M35: 72,517,867 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 378

Radius: 4.5

Gravity: 18.67 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 9.41 AU - 12.19 AU

Year: 23668 Days

Day: 16.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 69,824,961 km

• M1: 56,698 km (0.1 R)
• M2: 239,357 km (0.089 R)
• M3: 972,985 km (0.113 R)
• M4: 2,407,030 km (0.09 R)
• M5: 2,609,136 km (0.104 R)
• M6: 2,798,228 km (0.033 R)
• M7: 3,532,903 km (0.106 R)
• M8: 4,355,841 km (0.097 R)
• M9: 6,456,195 km (0.073 R)
• M10: 7,392,528 km (0.081 R)
• M11: 7,675,867 km (0.081 R)
• M12: 8,114,338 km (0.101 R)
• M13: 9,697,233 km (0.108 R)
• M14: 10,325,843 km (0.12 R)
• M15: 10,920,495 km (0.07 R)
• M16: 11,474,905 km (0.101 R)
• M17: 12,572,953 km (0.051 R)
• M18: 17,668,107 km (0.068 R)
• M19: 19,661,798 km (0.094 R)
• M20: 23,884,347 km (0.072 R)
• M21: 24,816,641 km (0.108 R)
• M22: 25,772,871 km (0.095 R)
• M23: 28,673,274 km (0.082 R)
• M24: 29,137,925 km (0.092 R)
• M25: 30,321,693 km (0.076 R)
• M26: 33,420,314 km (0.074 R)
• M27: 36,996,900 km (0.099 R)
• M28: 37,409,341 km (0.065 R)
• M29: 39,805,001 km (0.082 R)
• M30: 39,948,915 km (0.106 R)
• M31: 40,820,322 km (0.093 R)
• M32: 40,966,778 km (0.081 R)
• M33: 41,852,996 km (0.117 R)
• M34: 42,751,780 km (0.119 R)
• M35: 43,054,267 km (0.079 R)
• M36: 47,117,046 km (0.08 R)
• M37: 52,979,338 km (0.112 R)
• M38: 54,207,237 km (0.111 R)
• M39: 59,874,154 km (0.069 R)
• M40: 62,752,567 km (0.106 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 169 - 18,221 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit