🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.1

Radius: 9.3

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.27 AU - 1.31 AU

Year: 961 Days

Day: 8.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,779,440 km

• M1: 115,639 km (0.057 R)
• M2: 428,747 km (0.046 R)
• M3: 827,426 km (0.043 R)
• M4: 1,156,092 km (0.085 R)
• M5: 1,486,554 km (0.053 R)
• M6: 1,817,614 km (0.119 R)
• M7: 2,301,414 km (0.063 R)
• M8: 2,712,957 km (0.067 R)
• M9: 3,374,330 km (0.083 R)
• M10: 3,728,877 km (0.075 R)
• M11: 4,092,399 km (0.032 R)
• M12: 4,597,143 km (0.083 R)
• M13: 5,234,729 km (0.071 R)
• M14: 5,575,064 km (0.109 R)
• M15: 6,300,314 km (0.025 R)
• M16: 6,620,454 km (0.113 R)
• M17: 8,036,398 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.4

Radius: 14.2

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.26 AU - 1.4 AU

Year: 1006 Days

Day: 5 Hours

Environment

Temp: -181 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 22,779,440 km

• M1: 176,525 km (0.1 R)
• M2: 647,759 km (0.106 R)
• M3: 1,189,153 km (0.09 R)
• M4: 2,121,447 km (0.036 R)
• M5: 3,290,555 km (0.107 R)
• M6: 3,802,479 km (0.116 R)
• M7: 4,367,809 km (0.058 R)
• M8: 4,853,404 km (0.054 R)
• M9: 5,393,302 km (0.086 R)
• M10: 6,031,337 km (0.091 R)
• M11: 6,782,618 km (0.11 R)
• M12: 7,595,682 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.2

Radius: 14.4

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.27 AU - 1.91 AU

Year: 1315 Days

Day: 14.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,779,440 km

• M1: 179,069 km (0.1 R)
• M2: 640,578 km (0.11 R)
• M3: 1,463,366 km (0.054 R)
• M4: 1,924,128 km (0.032 R)
• M5: 2,568,745 km (0.094 R)
• M6: 3,325,710 km (0.059 R)
• M7: 4,440,962 km (0.066 R)
• M8: 4,909,204 km (0.108 R)
• M9: 6,470,258 km (0.078 R)
• M10: 7,250,710 km (0.102 R)
• M11: 8,313,752 km (0.107 R)
• M12: 8,883,122 km (0.114 R)
• M13: 9,387,416 km (0.032 R)
• M14: 10,100,250 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.8

Radius: 13.3

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.01 AU - 2.11 AU

Year: 1940 Days

Day: 13.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,779,440 km

• M1: 165,455 km (0.079 R)
• M2: 620,682 km (0.075 R)
• M3: 1,355,058 km (0.076 R)
• M4: 2,237,535 km (0.102 R)
• M5: 2,705,328 km (0.052 R)
• M6: 3,363,110 km (0.105 R)
• M7: 4,035,403 km (0.112 R)
• M8: 4,538,799 km (0.109 R)
• M9: 5,084,084 km (0.044 R)
• M10: 6,755,541 km (0.102 R)
• M11: 9,846,233 km (0.058 R)
• M12: 11,516,343 km (0.089 R)
• M13: 12,612,896 km (0.114 R)
• M14: 13,531,127 km (0.109 R)
• M15: 14,280,463 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.1

Radius: 13.5

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.51 AU - 2.65 AU

Year: 2719 Days

Day: 7.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,779,440 km

• M1: 167,998 km (0.083 R)
• M2: 673,490 km (0.104 R)
• M3: 1,145,770 km (0.087 R)
• M4: 1,598,004 km (0.043 R)
• M5: 2,074,922 km (0.066 R)
• M6: 3,129,288 km (0.076 R)
• M7: 3,634,031 km (0.119 R)
• M8: 4,252,020 km (0.09 R)
• M9: 4,809,123 km (0.086 R)
• M10: 7,168,431 km (0.071 R)
• M11: 7,660,757 km (0.108 R)
• M12: 8,300,139 km (0.074 R)
• M13: 9,174,089 km (0.117 R)
• M14: 10,766,409 km (0.119 R)
• M15: 13,555,512 km (0.073 R)
• M16: 14,767,703 km (0.05 R)
• M17: 17,048,622 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.1

Radius: 13.3

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.48 AU - 2.7 AU

Year: 2734 Days

Day: 8 Hours

Environment

Temp: -205 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,779,440 km

• M1: 165,455 km (0.11 R)
• M2: 993,031 km (0.089 R)
• M3: 2,107,385 km (0.097 R)
• M4: 5,941,579 km (0.105 R)
• M5: 6,548,198 km (0.062 R)
• M6: 10,800,966 km (0.097 R)
• M7: 12,459,259 km (0.103 R)
• M8: 13,034,163 km (0.066 R)
• M9: 13,669,655 km (0.104 R)
• M10: 14,148,817 km (0.105 R)
• M11: 14,865,840 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.9

Radius: 9.8

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.57 AU - 3.89 AU

Year: 3808 Days

Day: 5.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 22,779,440 km

• M1: 136,882 km (0.042 R)
• M2: 490,083 km (0.112 R)
• M3: 802,443 km (0.08 R)
• M4: 1,254,827 km (0.07 R)
• M5: 1,897,051 km (0.085 R)
• M6: 2,668,228 km (0.101 R)
• M7: 2,984,328 km (0.062 R)
• M8: 3,985,586 km (0.042 R)
• M9: 5,006,891 km (0.094 R)
• M10: 5,441,174 km (0.063 R)
• M11: 6,006,055 km (0.083 R)
• M12: 6,867,889 km (0.079 R)
• M13: 7,253,103 km (0.096 R)
• M14: 8,974,825 km (0.084 R)
• M15: 9,399,683 km (0.069 R)
• M16: 9,800,904 km (0.116 R)
• M17: 10,328,087 km (0.105 R)
• M18: 10,794,833 km (0.099 R)
• M19: 11,398,011 km (0.072 R)
• M20: 11,854,584 km (0.083 R)
• M21: 13,116,891 km (0.092 R)
• M22: 13,664,569 km (0.074 R)
• M23: 14,132,660 km (0.072 R)
• M24: 15,500,135 km (0.06 R)
• M25: 16,582,326 km (0.095 R)
• M26: 17,549,326 km (0.106 R)
• M27: 18,896,455 km (0.043 R)
• M28: 20,010,959 km (0.095 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.1

Radius: 14.5

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.32 AU - 3.86 AU

Year: 4462 Days

Day: 10.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 22,779,440 km

• M1: 180,265 km (0.075 R)
• M2: 766,839 km (0.051 R)
• M3: 1,474,586 km (0.102 R)
• M4: 2,289,745 km (0.091 R)
• M5: 3,494,756 km (0.109 R)
• M6: 4,561,239 km (0.076 R)
• M7: 5,835,215 km (0.107 R)
• M8: 6,393,963 km (0.089 R)
• M9: 6,853,378 km (0.084 R)
• M10: 7,838,629 km (0.084 R)
• M11: 9,575,610 km (0.043 R)
• M12: 10,134,957 km (0.057 R)
• M13: 11,084,454 km (0.072 R)
• M14: 12,191,778 km (0.098 R)
• M15: 13,799,356 km (0.062 R)
• M16: 15,023,366 km (0.105 R)
• M17: 16,561,681 km (0.105 R)
• M18: 18,072,919 km (0.029 R)
• M19: 21,880,484 km (0.098 R)
• M20: 26,110,214 km (0.088 R)
• M21: 28,066,954 km (0.1 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.9

Radius: 14.6

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 5.84 AU - 5.88 AU

Year: 9306 Days

Day: 14.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,779,440 km

• M1: 181,612 km (0.107 R)
• M2: 779,555 km (0.105 R)
• M3: 1,739,075 km (0.1 R)
• M4: 2,618,711 km (0.081 R)
• M5: 3,859,924 km (0.111 R)
• M6: 4,728,938 km (0.115 R)
• M7: 6,797,278 km (0.072 R)
• M8: 13,243,301 km (0.085 R)
• M9: 13,961,820 km (0.082 R)
• M10: 14,706,069 km (0.12 R)
• M11: 16,112,439 km (0.119 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 16,656 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit