🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.82 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.6

Radius: 8.7

Gravity: 9.55 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.55 AU - 1.71 AU

Year: 1463 Days

Day: 8 Hours

Environment

Temp: -197 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,389,019 km

• M1: 108,309 km (0.056 R)
• M2: 429,196 km (0.11 R)
• M3: 756,367 km (0.076 R)
• M4: 1,041,201 km (0.08 R)
• M5: 1,468,154 km (0.111 R)
• M6: 1,767,948 km (0.111 R)
• M7: 2,636,363 km (0.067 R)
• M8: 3,084,110 km (0.118 R)
• M9: 3,664,101 km (0.103 R)
• M10: 4,296,451 km (0.074 R)
• M11: 5,777,470 km (0.104 R)
• M12: 6,243,318 km (0.079 R)
• M13: 7,014,495 km (0.106 R)
• M14: 7,572,046 km (0.12 R)
• M15: 8,332,003 km (0.117 R)
• M16: 8,987,990 km (0.12 R)
• M17: 9,645,772 km (0.108 R)
• M18: 10,201,677 km (0.098 R)
• M19: 10,778,527 km (0.09 R)
• M20: 12,950,837 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.3

Radius: 12.9

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.96 AU - 2 AU

Year: 1958 Days

Day: 6.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,389,019 km

• M1: 162,762 km (0.109 R)
• M2: 564,283 km (0.114 R)
• M3: 1,376,899 km (0.071 R)
• M4: 2,374,417 km (0.066 R)
• M5: 3,312,845 km (0.096 R)
• M6: 5,284,545 km (0.064 R)
• M7: 6,057,667 km (0.119 R)
• M8: 7,943,647 km (0.084 R)
• M9: 10,126,280 km (0.065 R)
• M10: 13,817,159 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.3

Radius: 9.5

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.76 AU - 2.88 AU

Year: 2484 Days

Day: 10.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,389,019 km

• M1: 118,182 km (0.111 R)
• M2: 419,622 km (0.1 R)
• M3: 716,275 km (0.103 R)
• M4: 1,058,405 km (0.059 R)
• M5: 1,402,031 km (0.088 R)
• M6: 1,820,456 km (0.096 R)
• M7: 2,308,744 km (0.118 R)
• M8: 2,751,853 km (0.082 R)
• M9: 3,047,608 km (0.041 R)
• M10: 3,397,517 km (0.086 R)
• M11: 4,178,717 km (0.058 R)
• M12: 4,652,793 km (0.028 R)
• M13: 7,025,714 km (0.1 R)
• M14: 7,668,536 km (0.086 R)
• M15: 8,752,822 km (0.109 R)
• M16: 9,664,322 km (0.1 R)
• M17: 10,318,214 km (0.103 R)
• M18: 11,984,136 km (0.077 R)
• M19: 12,298,142 km (0.083 R)
• M20: 13,736,974 km (0.099 R)
• M21: 14,607,783 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.5

Radius: 11.4

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.69 AU - 2.93 AU

Year: 3311 Days

Day: 11.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,389,019 km

• M1: 141,819 km (0.079 R)
• M2: 505,641 km (0.05 R)
• M3: 1,177,934 km (0.049 R)
• M4: 1,676,693 km (0.113 R)
• M5: 2,329,089 km (0.045 R)
• M6: 2,773,844 km (0.071 R)
• M7: 3,162,649 km (0.091 R)
• M8: 5,605,283 km (0.113 R)
• M9: 6,291,039 km (0.062 R)
• M10: 7,226,026 km (0.085 R)
• M11: 8,613,696 km (0.037 R)
• M12: 9,926,866 km (0.118 R)
• M13: 10,673,808 km (0.095 R)
• M14: 12,468,085 km (0.098 R)
• M15: 12,898,029 km (0.076 R)
• M16: 13,838,252 km (0.113 R)
• M17: 14,247,701 km (0.104 R)
• M18: 14,983,424 km (0.025 R)
• M19: 15,579,272 km (0.101 R)
• M20: 18,673,853 km (0.045 R)
• M21: 20,332,595 km (0.075 R)
• M22: 21,605,224 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.8

Radius: 8.9

Gravity: 10.32 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.06 AU - 4.06 AU

Year: 4722 Days

Day: 9 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,389,019 km

• M1: 110,702 km (0.112 R)
• M2: 437,873 km (0.054 R)
• M3: 806,931 km (0.106 R)
• M4: 1,383,182 km (0.093 R)
• M5: 2,781,623 km (0.089 R)
• M6: 3,279,933 km (0.099 R)
• M7: 3,836,886 km (0.091 R)
• M8: 4,331,457 km (0.105 R)
• M9: 4,868,064 km (0.058 R)
• M10: 5,740,519 km (0.116 R)
• M11: 6,261,269 km (0.078 R)
• M12: 6,779,776 km (0.107 R)
• M13: 7,221,987 km (0.092 R)
• M14: 11,434,812 km (0.06 R)
• M15: 13,596,801 km (0.056 R)
• M16: 15,085,748 km (0.048 R)
• M17: 15,488,915 km (0.107 R)
• M18: 16,256,801 km (0.081 R)
• M19: 17,424,262 km (0.115 R)
• M20: 18,125,128 km (0.112 R)
• M21: 26,701,126 km (0.073 R)
• M22: 27,890,279 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.9

Radius: 9.1

Gravity: 8.51 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.99 AU - 4.65 AU

Year: 5248 Days

Day: 14.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,389,019 km

• M1: 113,545 km (0.104 R)
• M2: 494,870 km (0.117 R)
• M3: 1,150,856 km (0.08 R)
• M4: 1,780,813 km (0.113 R)
• M5: 2,355,418 km (0.057 R)
• M6: 2,934,063 km (0.111 R)
• M7: 3,736,805 km (0.118 R)
• M8: 4,153,585 km (0.113 R)
• M9: 4,678,823 km (0.112 R)
• M10: 5,191,794 km (0.092 R)
• M11: 6,655,310 km (0.097 R)
• M12: 7,060,421 km (0.111 R)
• M13: 7,590,147 km (0.084 R)
• M14: 8,768,679 km (0.092 R)
• M15: 10,241,171 km (0.025 R)
• M16: 10,645,085 km (0.064 R)
• M17: 13,190,343 km (0.095 R)
• M18: 14,380,095 km (0.056 R)
• M19: 15,001,076 km (0.067 R)
• M20: 15,698,801 km (0.072 R)
• M21: 17,601,536 km (0.116 R)
• M22: 18,707,812 km (0.084 R)
• M23: 22,680,234 km (0.1 R)
• M24: 23,367,187 km (0.072 R)
• M25: 25,675,034 km (0.032 R)
• M26: 27,181,484 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 793.5

Radius: 7.5

Gravity: 14.11 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 5.13 AU - 7.79 AU

Year: 11541 Days

Day: 18.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 55,389,019 km

• M1: 93,199 km (0.05 R)
• M2: 384,616 km (0.102 R)
• M3: 740,061 km (0.106 R)
• M4: 1,065,137 km (0.106 R)
• M5: 1,586,186 km (0.118 R)
• M6: 2,525,511 km (0.074 R)
• M7: 3,766,575 km (0.064 R)
• M8: 5,065,234 km (0.115 R)
• M9: 5,617,101 km (0.087 R)
• M10: 6,094,617 km (0.093 R)
• M11: 8,560,738 km (0.073 R)
• M12: 10,387,627 km (0.087 R)
• M13: 11,682,397 km (0.063 R)
• M14: 13,081,436 km (0.105 R)
• M15: 14,793,584 km (0.085 R)
• M16: 15,278,879 km (0.09 R)
• M17: 16,724,144 km (0.088 R)
• M18: 19,386,687 km (0.104 R)
• M19: 24,271,058 km (0.093 R)
• M20: 25,436,126 km (0.071 R)
• M21: 29,917,181 km (0.108 R)
• M22: 30,917,392 km (0.061 R)
• M23: 31,482,722 km (0.098 R)
• M24: 38,812,868 km (0.097 R)
• M25: 42,592,159 km (0.081 R)
• M26: 44,714,355 km (0.102 R)
• M27: 45,874,636 km (0.097 R)
• M28: 47,502,410 km (0.113 R)
• M29: 49,168,482 km (0.093 R)
• M30: 52,777,082 km (0.067 R)
• M31: 54,399,620 km (0.09 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: 475 - 12,879 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit