🌌 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: 599.8

Radius: 10.2

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.62 AU - 0.92 AU

Year: 458 Days

Day: 5.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,417,846 km

• M1: 126,859 km (0.083 R)
• M2: 619,634 km (0.1 R)
• M3: 948,750 km (0.082 R)
• M4: 1,277,117 km (0.099 R)
• M5: 1,808,937 km (0.09 R)
• M6: 2,739,735 km (0.092 R)
• M7: 3,180,301 km (0.113 R)
• M8: 3,667,841 km (0.101 R)
• M9: 4,028,970 km (0.088 R)
• M10: 4,991,034 km (0.11 R)
• M11: 5,551,128 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620

Radius: 9.2

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.83 AU - 0.95 AU

Year: 569 Days

Day: 9.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,417,846 km

• M1: 114,442 km (0.107 R)
• M2: 461,809 km (0.08 R)
• M3: 856,149 km (0.118 R)
• M4: 1,159,533 km (0.12 R)
• M5: 1,521,710 km (0.119 R)
• M6: 1,818,063 km (0.056 R)
• M7: 2,469,113 km (0.066 R)
• M8: 2,849,091 km (0.105 R)
• M9: 3,518,093 km (0.101 R)
• M10: 4,200,708 km (0.112 R)
• M11: 4,497,361 km (0.114 R)
• M12: 5,017,812 km (0.089 R)
• M13: 5,973,892 km (0.055 R)
• M14: 6,273,686 km (0.063 R)
• M15: 6,583,503 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.7

Radius: 13.1

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.07 AU - 1.43 AU

Year: 948 Days

Day: 5.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,417,846 km

• M1: 169,644 km (0.091 R)
• M2: 835,654 km (0.117 R)
• M3: 1,375,852 km (0.052 R)
• M4: 2,058,018 km (0.111 R)
• M5: 2,800,173 km (0.079 R)
• M6: 3,933,676 km (0.077 R)
• M7: 5,080,942 km (0.077 R)
• M8: 5,669,909 km (0.1 R)
• M9: 6,881,801 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.9

Radius: 11.1

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.27 AU - 1.53 AU

Year: 1124 Days

Day: 13.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,417,846 km

• M1: 138,079 km (0.115 R)
• M2: 663,467 km (0.107 R)
• M3: 1,058,106 km (0.085 R)
• M4: 1,715,588 km (0.111 R)
• M5: 2,163,634 km (0.074 R)
• M6: 2,701,289 km (0.106 R)
• M7: 3,081,267 km (0.103 R)
• M8: 3,795,298 km (0.105 R)
• M9: 4,477,315 km (0.055 R)
• M10: 5,793,926 km (0.051 R)
• M11: 6,235,239 km (0.107 R)
• M12: 6,904,690 km (0.105 R)
• M13: 7,720,746 km (0.101 R)
• M14: 8,546,227 km (0.104 R)
• M15: 9,287,784 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.9

Radius: 9.4

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.49 AU - 3.95 AU

Year: 3919 Days

Day: 10.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 27,417,846 km

• M1: 117,285 km (0.062 R)
• M2: 416,331 km (0.025 R)
• M3: 718,818 km (0.03 R)
• M4: 1,899,295 km (0.096 R)
• M5: 2,359,158 km (0.104 R)
• M6: 3,978,555 km (0.115 R)
• M7: 4,543,287 km (0.12 R)
• M8: 6,234,342 km (0.071 R)
• M9: 8,854,997 km (0.119 R)
• M10: 9,463,412 km (0.101 R)
• M11: 10,304,152 km (0.085 R)
• M12: 10,891,772 km (0.118 R)
• M13: 11,193,810 km (0.038 R)
• M14: 11,679,854 km (0.079 R)
• M15: 12,042,180 km (0.099 R)
• M16: 17,052,960 km (0.066 R)
• M17: 17,402,122 km (0.106 R)
• M18: 18,417,443 km (0.051 R)
• M19: 20,304,919 km (0.072 R)
• M20: 21,836,652 km (0.066 R)
• M21: 22,317,758 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.1

Radius: 10.9

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.13 AU - 3.83 AU

Year: 4403 Days

Day: 9.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 78.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,417,846 km

• M1: 135,685 km (0.056 R)
• M2: 563,984 km (0.108 R)
• M3: 1,558,660 km (0.107 R)
• M4: 2,058,467 km (0.052 R)
• M5: 2,597,917 km (0.035 R)
• M6: 3,026,664 km (0.11 R)
• M7: 4,071,605 km (0.109 R)
• M8: 5,953,247 km (0.041 R)
• M9: 6,456,644 km (0.105 R)
• M10: 7,248,615 km (0.095 R)
• M11: 8,835,699 km (0.103 R)
• M12: 9,179,176 km (0.102 R)
• M13: 10,944,879 km (0.105 R)
• M14: 12,070,005 km (0.102 R)
• M15: 12,781,193 km (0.087 R)
• M16: 13,823,442 km (0.1 R)
• M17: 14,761,121 km (0.087 R)
• M18: 15,191,215 km (0.091 R)
• M19: 16,937,621 km (0.101 R)
• M20: 17,290,522 km (0.099 R)
• M21: 19,129,229 km (0.095 R)
• M22: 23,047,646 km (0.027 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.2

Radius: 8.2

Gravity: 9.34 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.26 AU - 3.82 AU

Year: 4517 Days

Day: 12.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,417,846 km

• M1: 111,750 km (0.079 R)
• M2: 400,773 km (0.084 R)
• M3: 688,898 km (0.079 R)
• M4: 955,781 km (0.081 R)
• M5: 1,660,836 km (0.105 R)
• M6: 4,191,732 km (0.11 R)
• M7: 4,499,605 km (0.099 R)
• M8: 5,486,951 km (0.064 R)
• M9: 7,063,114 km (0.088 R)
• M10: 7,465,981 km (0.082 R)
• M11: 8,354,443 km (0.093 R)
• M12: 10,255,084 km (0.076 R)
• M13: 14,192,799 km (0.078 R)
• M14: 19,229,310 km (0.067 R)
• M15: 19,882,754 km (0.055 R)
• M16: 21,303,186 km (0.111 R)
• M17: 26,848,180 km (0.1 R)
• M18: 27,417,849 km (0.119 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 341 - 19,872 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit