🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835

Radius: 13.9

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.75 AU - 1.07 AU

Year: 561 Days

Day: 5.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 16,332,764 km

• M1: 172,935 km (0.086 R)
• M2: 659,577 km (0.097 R)
• M3: 1,127,669 km (0.108 R)
• M4: 1,835,865 km (0.105 R)
• M5: 2,337,168 km (0.095 R)
• M6: 2,806,157 km (0.07 R)
• M7: 4,227,187 km (0.119 R)
• M8: 4,735,969 km (0.117 R)
• M9: 5,425,316 km (0.098 R)
• M10: 5,896,400 km (0.103 R)
• M11: 7,047,256 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.3

Radius: 14.8

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.29 AU - 1.37 AU

Year: 990 Days

Day: 14 Hours

Environment

Temp: -179 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 16,332,764 km

• M1: 184,155 km (0.099 R)
• M2: 662,419 km (0.088 R)
• M3: 1,192,445 km (0.106 R)
• M4: 1,733,091 km (0.053 R)
• M5: 2,256,235 km (0.063 R)
• M6: 2,935,858 km (0.057 R)
• M7: 4,186,646 km (0.107 R)
• M8: 4,816,752 km (0.099 R)
• M9: 5,470,495 km (0.116 R)
• M10: 6,268,300 km (0.111 R)
• M11: 7,572,943 km (0.073 R)
• M12: 8,725,595 km (0.113 R)
• M13: 9,962,769 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.3

Radius: 8.5

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.14 AU - 1.86 AU

Year: 1186 Days

Day: 7.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 16,332,764 km

• M1: 106,364 km (0.05 R)
• M2: 493,673 km (0.043 R)
• M3: 1,052,421 km (0.115 R)
• M4: 1,655,001 km (0.039 R)
• M5: 2,024,807 km (0.111 R)
• M6: 2,290,942 km (0.089 R)
• M7: 2,694,407 km (0.108 R)
• M8: 3,274,548 km (0.029 R)
• M9: 3,773,307 km (0.099 R)
• M10: 4,582,183 km (0.065 R)
• M11: 7,446,384 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212

Radius: 9

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.91 AU - 2.31 AU

Year: 1979 Days

Day: 13.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 16,332,764 km

• M1: 120,426 km (0.098 R)
• M2: 479,162 km (0.095 R)
• M3: 948,600 km (0.104 R)
• M4: 1,679,984 km (0.084 R)
• M5: 2,183,830 km (0.057 R)
• M6: 2,889,333 km (0.108 R)
• M7: 3,707,783 km (0.036 R)
• M8: 4,528,328 km (0.076 R)
• M9: 4,877,339 km (0.112 R)
• M10: 5,384,027 km (0.071 R)
• M11: 7,388,190 km (0.075 R)
• M12: 7,873,037 km (0.118 R)
• M13: 9,814,668 km (0.102 R)
• M14: 10,213,346 km (0.04 R)
• M15: 10,559,216 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.9

Radius: 10.9

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.05 AU - 3.05 AU

Year: 2629 Days

Day: 5.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 16,332,764 km

• M1: 135,536 km (0.077 R)
• M2: 626,366 km (0.037 R)
• M3: 1,141,432 km (0.08 R)
• M4: 1,588,131 km (0.106 R)
• M5: 1,929,813 km (0.099 R)
• M6: 2,361,851 km (0.087 R)
• M7: 2,705,328 km (0.035 R)
• M8: 3,198,851 km (0.079 R)
• M9: 4,711,286 km (0.087 R)
• M10: 5,213,336 km (0.093 R)
• M11: 5,700,427 km (0.088 R)
• M12: 6,138,300 km (0.113 R)
• M13: 6,766,312 km (0.102 R)
• M14: 8,607,413 km (0.058 R)
• M15: 9,150,154 km (0.104 R)
• M16: 9,536,415 km (0.088 R)
• M17: 10,154,853 km (0.09 R)
• M18: 11,351,337 km (0.047 R)
• M19: 15,504,323 km (0.09 R)
• M20: 15,953,416 km (0.113 R)
• M21: 17,035,009 km (0.093 R)
• M22: 17,620,684 km (0.038 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.7

Radius: 14.6

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.19 AU - 3.03 AU

Year: 2723 Days

Day: 9.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 16,332,764 km

• M1: 282,291 km (0.076 R)
• M2: 784,342 km (0.114 R)
• M3: 1,320,052 km (0.084 R)
• M4: 2,003,863 km (0.103 R)
• M5: 2,531,346 km (0.106 R)
• M6: 3,203,638 km (0.11 R)
• M7: 3,735,908 km (0.089 R)
• M8: 5,075,706 km (0.076 R)
• M9: 5,882,936 km (0.092 R)
• M10: 6,745,069 km (0.075 R)
• M11: 7,947,985 km (0.075 R)
• M12: 8,791,418 km (0.1 R)
• M13: 10,071,677 km (0.051 R)
• M14: 13,229,987 km (0.074 R)
• M15: 15,312,090 km (0.112 R)
• M16: 16,087,456 km (0.041 R)
• M17: 17,052,212 km (0.081 R)
• M18: 18,226,257 km (0.113 R)
• M19: 19,753,651 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.7

Radius: 11.8

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.2 AU - 3.32 AU

Year: 3801 Days

Day: 5.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 16,332,764 km

• M1: 146,756 km (0.092 R)
• M2: 559,047 km (0.115 R)
• M3: 1,068,877 km (0.055 R)
• M4: 1,566,888 km (0.084 R)
• M5: 2,898,160 km (0.084 R)
• M6: 4,625,417 km (0.099 R)
• M7: 5,082,288 km (0.091 R)
• M8: 5,485,904 km (0.08 R)
• M9: 6,116,758 km (0.104 R)
• M10: 6,795,633 km (0.086 R)
• M11: 7,627,098 km (0.043 R)
• M12: 8,121,818 km (0.114 R)
• M13: 9,333,112 km (0.056 R)
• M14: 12,254,310 km (0.118 R)
• M15: 13,384,073 km (0.067 R)
• M16: 14,743,469 km (0.105 R)
• M17: 15,124,644 km (0.117 R)
• M18: 16,078,031 km (0.102 R)
• M19: 17,673,941 km (0.119 R)
• M20: 18,042,550 km (0.104 R)
• M21: 19,373,074 km (0.056 R)
• M22: 20,497,302 km (0.086 R)
• M23: 23,386,934 km (0.096 R)
• M24: 25,666,357 km (0.111 R)
• M25: 27,103,095 km (0.053 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936

Radius: 8.6

Gravity: 12.66 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.4 AU - 3.78 AU

Year: 4392 Days

Day: 8 Hours

Environment

Temp: -209 °C

Axial Tilt: 98.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 16,332,764 km

• M1: 107,262 km (0.076 R)
• M2: 374,743 km (0.112 R)
• M3: 696,528 km (0.083 R)
• M4: 1,110,465 km (0.08 R)
• M5: 2,111,424 km (0.105 R)
• M6: 3,246,124 km (0.08 R)
• M7: 4,074,597 km (0.115 R)
• M8: 5,064,636 km (0.097 R)
• M9: 8,324,972 km (0.072 R)
• M10: 9,276,863 km (0.082 R)
• M11: 12,668,696 km (0.111 R)
• M12: 13,710,794 km (0.111 R)
• M13: 14,088,529 km (0.04 R)
• M14: 14,696,345 km (0.068 R)
• M15: 15,206,624 km (0.088 R)
• M16: 16,202,497 km (0.044 R)
• M17: 18,454,094 km (0.055 R)
• M18: 19,181,738 km (0.117 R)
• M19: 20,483,389 km (0.047 R)
• M20: 21,407,306 km (0.036 R)
• M21: 21,916,238 km (0.045 R)
• M22: 23,033,734 km (0.064 R)
• M23: 23,568,097 km (0.117 R)
• M24: 30,640,785 km (0.119 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.5

Radius: 8.6

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4.24 AU - 6.72 AU

Year: 8283 Days

Day: 6.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 16,332,764 km

• M1: 111,899 km (0.119 R)
• M2: 618,886 km (0.114 R)
• M3: 1,770,192 km (0.114 R)
• M4: 3,881,167 km (0.05 R)
• M5: 5,345,132 km (0.106 R)
• M6: 12,173,676 km (0.108 R)
• M7: 13,583,786 km (0.068 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: 466 - 15,569 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit