🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.6

Radius: 8.9

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.72 AU - 0.82 AU

Year: 458 Days

Day: 9.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,468,534 km

• M1: 110,852 km (0.075 R)
• M2: 395,537 km (0.039 R)
• M3: 718,219 km (0.082 R)
• M4: 1,403,677 km (0.098 R)
• M5: 1,770,042 km (0.074 R)
• M6: 2,244,118 km (0.047 R)
• M7: 2,738,987 km (0.095 R)
• M8: 3,179,254 km (0.107 R)
• M9: 4,215,369 km (0.09 R)
• M10: 4,924,612 km (0.059 R)
• M11: 5,220,218 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.7

Radius: 9.9

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.66 AU - 0.9 AU

Year: 467 Days

Day: 6.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,468,534 km

• M1: 123,418 km (0.055 R)
• M2: 472,430 km (0.069 R)
• M3: 837,000 km (0.06 R)
• M4: 1,225,805 km (0.111 R)
• M5: 1,599,201 km (0.109 R)
• M6: 1,910,814 km (0.101 R)
• M7: 2,308,295 km (0.118 R)
• M8: 2,659,850 km (0.079 R)
• M9: 3,047,009 km (0.076 R)
• M10: 3,556,540 km (0.079 R)
• M11: 4,217,164 km (0.12 R)
• M12: 4,866,419 km (0.098 R)
• M13: 5,580,749 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.9

Radius: 10.4

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.16 AU - 1.8 AU

Year: 1221 Days

Day: 9.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,468,534 km

• M1: 129,402 km (0.109 R)
• M2: 584,778 km (0.117 R)
• M3: 1,139,337 km (0.106 R)
• M4: 1,547,291 km (0.088 R)
• M5: 2,023,461 km (0.037 R)
• M6: 2,459,838 km (0.113 R)
• M7: 2,883,200 km (0.08 R)
• M8: 3,742,490 km (0.092 R)
• M9: 5,106,075 km (0.117 R)
• M10: 5,464,511 km (0.104 R)
• M11: 6,731,007 km (0.097 R)
• M12: 7,232,758 km (0.059 R)
• M13: 8,007,076 km (0.063 R)
• M14: 8,649,599 km (0.077 R)
• M15: 9,493,780 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.8

Radius: 10

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.52 AU - 1.84 AU

Year: 1477 Days

Day: 10.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 22,468,534 km

• M1: 124,465 km (0.073 R)
• M2: 487,839 km (0.117 R)
• M3: 835,654 km (0.05 R)
• M4: 1,262,606 km (0.09 R)
• M5: 1,643,931 km (0.114 R)
• M6: 2,445,626 km (0.072 R)
• M7: 2,935,110 km (0.113 R)
• M8: 3,306,861 km (0.104 R)
• M9: 3,774,953 km (0.099 R)
• M10: 4,251,272 km (0.087 R)
• M11: 4,578,293 km (0.069 R)
• M12: 5,324,787 km (0.064 R)
• M13: 6,241,822 km (0.109 R)
• M14: 8,671,590 km (0.067 R)
• M15: 10,386,580 km (0.066 R)
• M16: 11,707,380 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386

Radius: 9

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.23 AU - 2.89 AU

Year: 2778 Days

Day: 14.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,468,534 km

• M1: 112,797 km (0.112 R)
• M2: 456,423 km (0.094 R)
• M3: 1,216,081 km (0.057 R)
• M4: 3,765,079 km (0.051 R)
• M5: 4,064,125 km (0.057 R)
• M6: 6,414,009 km (0.104 R)
• M7: 9,480,167 km (0.097 R)
• M8: 9,825,289 km (0.109 R)
• M9: 10,986,916 km (0.071 R)
• M10: 11,956,161 km (0.091 R)
• M11: 12,564,426 km (0.088 R)
• M12: 12,981,355 km (0.117 R)
• M13: 14,064,145 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.6

Radius: 9.6

Gravity: 7.27 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.45 AU - 3.13 AU

Year: 3161 Days

Day: 13.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 22,468,534 km

• M1: 119,379 km (0.119 R)
• M2: 773,421 km (0.118 R)
• M3: 1,152,203 km (0.112 R)
• M4: 1,599,500 km (0.069 R)
• M5: 1,914,105 km (0.049 R)
• M6: 2,608,538 km (0.056 R)
• M7: 3,519,140 km (0.047 R)
• M8: 4,142,515 km (0.117 R)
• M9: 4,469,685 km (0.076 R)
• M10: 6,961,836 km (0.074 R)
• M11: 7,362,908 km (0.068 R)
• M12: 7,845,062 km (0.092 R)
• M13: 8,382,268 km (0.119 R)
• M14: 11,233,903 km (0.111 R)
• M15: 11,700,498 km (0.063 R)
• M16: 12,179,959 km (0.092 R)
• M17: 12,581,929 km (0.102 R)
• M18: 15,701,045 km (0.105 R)
• M19: 19,786,862 km (0.087 R)
• M20: 21,100,480 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.1

Radius: 14.1

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.01 AU - 3.63 AU

Year: 4103 Days

Day: 7.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 22,468,534 km

• M1: 175,478 km (0.101 R)
• M2: 1,059,303 km (0.1 R)
• M3: 1,874,611 km (0.069 R)
• M4: 2,718,642 km (0.12 R)
• M5: 3,570,004 km (0.051 R)
• M6: 4,048,567 km (0.032 R)
• M7: 5,161,127 km (0.097 R)
• M8: 5,883,535 km (0.091 R)
• M9: 7,001,180 km (0.057 R)
• M10: 7,467,028 km (0.082 R)
• M11: 10,273,783 km (0.105 R)
• M12: 10,959,390 km (0.059 R)
• M13: 11,589,497 km (0.113 R)
• M14: 12,512,067 km (0.081 R)
• M15: 13,200,815 km (0.102 R)
• M16: 15,161,295 km (0.036 R)
• M17: 16,427,043 km (0.118 R)
• M18: 20,084,412 km (0.077 R)
• M19: 21,740,909 km (0.095 R)
• M20: 22,468,553 km (0.083 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 239 - 18,354 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit