🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.4

Radius: 10.5

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.64 AU - 0.72 AU

Year: 362 Days

Day: 9.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 11,769,060 km

• M1: 131,945 km (0.109 R)
• M2: 599,139 km (0.03 R)
• M3: 1,089,222 km (0.08 R)
• M4: 1,520,662 km (0.07 R)
• M5: 3,107,447 km (0.115 R)
• M6: 4,002,192 km (0.094 R)
• M7: 4,336,094 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.4

Radius: 11.6

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.77 AU - 1.25 AU

Year: 655 Days

Day: 14.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 11,769,060 km

• M1: 144,362 km (0.107 R)
• M2: 620,532 km (0.08 R)
• M3: 1,012,927 km (0.106 R)
• M4: 1,420,881 km (0.049 R)
• M5: 2,135,360 km (0.077 R)
• M6: 2,520,275 km (0.074 R)
• M7: 3,004,673 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.8

Radius: 11.2

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.84 AU - 1.34 AU

Year: 735 Days

Day: 6.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 11,769,060 km

• M1: 139,425 km (0.085 R)
• M2: 559,646 km (0.119 R)
• M3: 940,971 km (0.091 R)
• M4: 1,539,362 km (0.117 R)
• M5: 2,063,852 km (0.071 R)
• M6: 3,554,595 km (0.069 R)
• M7: 4,159,419 km (0.11 R)
• M8: 4,881,079 km (0.055 R)
• M9: 5,237,421 km (0.095 R)
• M10: 6,799,522 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.7

Radius: 8

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.19 AU - 1.27 AU

Year: 881 Days

Day: 14.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 11,769,060 km

• M1: 99,632 km (0.035 R)
• M2: 537,804 km (0.081 R)
• M3: 999,912 km (0.096 R)
• M4: 1,327,382 km (0.119 R)
• M5: 2,814,983 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.4

Radius: 10.4

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.41 AU - 1.91 AU

Year: 1381 Days

Day: 9.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 11,769,060 km

• M1: 129,402 km (0.109 R)
• M2: 486,941 km (0.039 R)
• M3: 926,908 km (0.072 R)
• M4: 1,488,200 km (0.118 R)
• M5: 1,837,959 km (0.058 R)
• M6: 2,421,840 km (0.076 R)
• M7: 2,898,608 km (0.102 R)
• M8: 3,801,132 km (0.081 R)
• M9: 4,733,576 km (0.113 R)
• M10: 7,313,092 km (0.112 R)
• M11: 7,738,399 km (0.07 R)
• M12: 8,127,503 km (0.072 R)
• M13: 9,001,304 km (0.108 R)
• M14: 9,637,544 km (0.054 R)
• M15: 10,241,620 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.6

Radius: 8.6

Gravity: 10.87 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.39 AU - 2.13 AU

Year: 1508 Days

Day: 5.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 11,769,060 km

• M1: 107,262 km (0.088 R)
• M2: 721,511 km (0.105 R)
• M3: 1,152,502 km (0.093 R)
• M4: 1,809,985 km (0.072 R)
• M5: 2,116,959 km (0.114 R)
• M6: 2,739,137 km (0.062 R)
• M7: 3,100,865 km (0.046 R)
• M8: 4,286,727 km (0.035 R)
• M9: 5,065,982 km (0.114 R)
• M10: 5,681,578 km (0.055 R)
• M11: 6,127,080 km (0.076 R)
• M12: 7,857,778 km (0.059 R)
• M13: 8,204,396 km (0.045 R)
• M14: 9,530,880 km (0.044 R)
• M15: 10,092,920 km (0.083 R)
• M16: 10,959,241 km (0.105 R)
• M17: 13,981,567 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.7

Radius: 8.4

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.8 AU - 2.04 AU

Year: 1718 Days

Day: 13.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 11,769,060 km

• M1: 104,569 km (0.12 R)
• M2: 900,280 km (0.1 R)
• M3: 1,181,823 km (0.061 R)
• M4: 1,497,923 km (0.108 R)
• M5: 1,764,656 km (0.027 R)
• M6: 2,116,511 km (0.064 R)
• M7: 2,713,107 km (0.107 R)
• M8: 3,462,293 km (0.068 R)
• M9: 5,324,787 km (0.1 R)
• M10: 5,781,958 km (0.097 R)
• M11: 6,310,487 km (0.09 R)
• M12: 10,088,581 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.5

Radius: 11.3

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.01 AU - 2.01 AU

Year: 1840 Days

Day: 5.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 11,769,060 km

• M1: 140,772 km (0.117 R)
• M2: 493,673 km (0.102 R)
• M3: 846,425 km (0.105 R)
• M4: 1,459,028 km (0.062 R)
• M5: 2,664,936 km (0.118 R)
• M6: 3,319,278 km (0.03 R)
• M7: 3,910,937 km (0.119 R)
• M8: 4,355,542 km (0.098 R)
• M9: 5,204,959 km (0.113 R)
• M10: 5,574,465 km (0.117 R)
• M11: 5,939,484 km (0.11 R)
• M12: 6,575,574 km (0.111 R)
• M13: 6,983,677 km (0.11 R)
• M14: 7,357,822 km (0.042 R)
• M15: 7,877,375 km (0.04 R)
• M16: 9,344,033 km (0.106 R)
• M17: 10,460,930 km (0.095 R)
• M18: 11,734,158 km (0.071 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 374 - 12,728 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit