🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963

Radius: 11.1

Gravity: 7.82 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.53 AU - 0.79 AU

Year: 364 Days

Day: 12.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,569,204 km

• M1: 138,079 km (0.101 R)
• M2: 495,468 km (0.077 R)
• M3: 990,188 km (0.086 R)
• M4: 1,625,830 km (0.076 R)
• M5: 2,070,435 km (0.072 R)
• M6: 2,451,610 km (0.097 R)
• M7: 2,848,643 km (0.102 R)
• M8: 3,265,572 km (0.106 R)
• M9: 4,141,467 km (0.04 R)
• M10: 4,797,903 km (0.106 R)
• M11: 5,262,554 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.1

Radius: 12.1

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.94 AU - 1.22 AU

Year: 761 Days

Day: 14.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,569,204 km

• M1: 151,692 km (0.119 R)
• M2: 689,796 km (0.108 R)
• M3: 1,233,434 km (0.104 R)
• M4: 1,668,315 km (0.029 R)
• M5: 2,185,924 km (0.056 R)
• M6: 2,701,738 km (0.099 R)
• M7: 3,664,849 km (0.097 R)
• M8: 4,201,905 km (0.102 R)
• M9: 5,589,724 km (0.026 R)
• M10: 7,790,160 km (0.113 R)
• M11: 8,975,573 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.9

Radius: 11.1

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.1 AU - 1.16 AU

Year: 815 Days

Day: 13.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,569,204 km

• M1: 138,079 km (0.067 R)
• M2: 511,326 km (0.084 R)
• M3: 904,319 km (0.083 R)
• M4: 1,353,861 km (0.104 R)
• M5: 1,807,591 km (0.031 R)
• M6: 2,273,588 km (0.099 R)
• M7: 2,899,057 km (0.049 R)
• M8: 3,309,554 km (0.088 R)
• M9: 4,813,611 km (0.107 R)
• M10: 5,357,100 km (0.11 R)
• M11: 6,229,405 km (0.043 R)
• M12: 6,648,578 km (0.112 R)
• M13: 7,477,500 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.2

Radius: 12.1

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.38 AU - 1.46 AU

Year: 1148 Days

Day: 10.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,569,204 km

• M1: 156,479 km (0.062 R)
• M2: 813,812 km (0.119 R)
• M3: 1,968,708 km (0.041 R)
• M4: 2,511,150 km (0.107 R)
• M5: 3,378,967 km (0.034 R)
• M6: 4,543,287 km (0.104 R)
• M7: 5,004,946 km (0.114 R)
• M8: 6,604,896 km (0.118 R)
• M9: 8,251,071 km (0.096 R)
• M10: 8,660,520 km (0.12 R)
• M11: 9,729,098 km (0.084 R)
• M12: 10,124,784 km (0.115 R)
• M13: 10,690,413 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.5

Radius: 12.5

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.58 AU - 2.36 AU

Year: 1875 Days

Day: 5.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,569,204 km

• M1: 155,432 km (0.081 R)
• M2: 566,078 km (0.063 R)
• M3: 980,315 km (0.109 R)
• M4: 1,728,155 km (0.034 R)
• M5: 3,486,827 km (0.109 R)
• M6: 3,911,685 km (0.096 R)
• M7: 4,966,051 km (0.103 R)
• M8: 6,631,374 km (0.089 R)
• M9: 7,261,780 km (0.068 R)
• M10: 9,708,603 km (0.071 R)
• M11: 13,005,291 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.7

Radius: 14.3

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2 AU - 2.6 AU

Year: 2366 Days

Day: 9.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,569,204 km

• M1: 188,493 km (0.089 R)
• M2: 671,994 km (0.116 R)
• M3: 1,365,380 km (0.086 R)
• M4: 1,987,258 km (0.115 R)
• M5: 2,554,982 km (0.087 R)
• M6: 4,095,092 km (0.084 R)
• M7: 4,901,873 km (0.055 R)
• M8: 6,357,461 km (0.112 R)
• M9: 7,441,148 km (0.111 R)
• M10: 7,941,852 km (0.092 R)
• M11: 8,465,145 km (0.054 R)
• M12: 10,174,750 km (0.059 R)
• M13: 13,438,975 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.7

Radius: 12.4

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.4 AU - 2.42 AU

Year: 2538 Days

Day: 7 Hours

Environment

Temp: -199 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,569,204 km

• M1: 154,235 km (0.086 R)
• M2: 553,063 km (0.032 R)
• M3: 985,551 km (0.114 R)
• M4: 2,004,462 km (0.066 R)
• M5: 2,719,091 km (0.096 R)
• M6: 3,279,784 km (0.082 R)
• M7: 3,719,302 km (0.113 R)
• M8: 4,159,868 km (0.056 R)
• M9: 5,235,925 km (0.086 R)
• M10: 5,887,873 km (0.097 R)
• M11: 6,309,589 km (0.099 R)
• M12: 7,439,353 km (0.084 R)
• M13: 8,325,570 km (0.116 R)
• M14: 11,071,140 km (0.1 R)
• M15: 12,186,392 km (0.117 R)
• M16: 13,248,687 km (0.119 R)
• M17: 14,594,918 km (0.097 R)
• M18: 15,048,050 km (0.032 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.4

Radius: 13

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.35 AU - 3.45 AU

Year: 4252 Days

Day: 7.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,569,204 km

• M1: 162,613 km (0.031 R)
• M2: 758,611 km (0.051 R)
• M3: 1,253,481 km (0.082 R)
• M4: 2,032,287 km (0.119 R)
• M5: 3,150,382 km (0.117 R)
• M6: 4,115,288 km (0.107 R)
• M7: 7,127,591 km (0.114 R)
• M8: 8,821,936 km (0.107 R)
• M9: 9,823,195 km (0.077 R)
• M10: 10,813,383 km (0.099 R)
• M11: 13,729,345 km (0.07 R)
• M12: 15,341,262 km (0.032 R)
• M13: 17,961,020 km (0.094 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538

Radius: 9.5

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 4.38 AU - 5.02 AU

Year: 6911 Days

Day: 13.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 34,569,204 km

• M1: 121,324 km (0.087 R)
• M2: 484,996 km (0.08 R)
• M3: 890,706 km (0.115 R)
• M4: 1,194,988 km (0.089 R)
• M5: 1,508,395 km (0.06 R)
• M6: 1,891,665 km (0.091 R)
• M7: 2,423,785 km (0.095 R)
• M8: 3,427,886 km (0.044 R)
• M9: 4,322,032 km (0.032 R)
• M10: 4,796,557 km (0.075 R)
• M11: 5,334,660 km (0.046 R)
• M12: 9,319,648 km (0.086 R)
• M13: 9,843,689 km (0.078 R)
• M14: 10,295,325 km (0.052 R)
• M15: 11,633,628 km (0.114 R)
• M16: 14,192,051 km (0.099 R)
• M17: 15,003,769 km (0.109 R)
• M18: 18,022,953 km (0.053 R)
• M19: 18,631,068 km (0.106 R)
• M20: 20,464,540 km (0.082 R)
• M21: 21,200,861 km (0.063 R)
• M22: 21,500,206 km (0.053 R)
• M23: 22,570,429 km (0.107 R)
• M24: 22,882,640 km (0.031 R)
• M25: 23,917,109 km (0.072 R)
• M26: 25,908,706 km (0.089 R)
• M27: 27,918,553 km (0.065 R)
• M28: 29,469,434 km (0.106 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 429 - 10,982 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit