🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.8

Radius: 12.9

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.43 AU - 0.59 AU

Year: 251 Days

Day: 9.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 31,587,782 km

• M1: 160,369 km (0.089 R)
• M2: 565,031 km (0.102 R)
• M3: 1,125,874 km (0.099 R)
• M4: 1,608,776 km (0.081 R)
• M5: 2,046,050 km (0.094 R)
• M6: 2,451,760 km (0.093 R)
• M7: 3,158,161 km (0.075 R)
• M8: 3,626,851 km (0.036 R)
• M9: 4,366,463 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794

Radius: 14.5

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.49 AU - 0.57 AU

Year: 266 Days

Day: 5.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,587,782 km

• M1: 180,265 km (0.064 R)
• M2: 709,393 km (0.112 R)
• M3: 1,425,069 km (0.068 R)
• M4: 1,884,784 km (0.115 R)
• M5: 2,513,543 km (0.065 R)
• M6: 3,107,597 km (0.03 R)
• M7: 3,669,636 km (0.102 R)
• M8: 4,261,894 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.9

Radius: 13

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.78 AU - 0.9 AU

Year: 531 Days

Day: 14.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,587,782 km

• M1: 163,211 km (0.108 R)
• M2: 1,126,322 km (0.103 R)
• M3: 1,652,458 km (0.096 R)
• M4: 2,132,069 km (0.111 R)
• M5: 2,565,603 km (0.108 R)
• M6: 3,010,956 km (0.103 R)
• M7: 3,749,970 km (0.103 R)
• M8: 4,267,279 km (0.093 R)
• M9: 5,828,632 km (0.079 R)
• M10: 7,020,927 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.1

Radius: 11.1

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.84 AU - 0.92 AU

Year: 570 Days

Day: 9.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 31,587,782 km

• M1: 142,866 km (0.111 R)
• M2: 499,507 km (0.104 R)
• M3: 881,580 km (0.093 R)
• M4: 1,296,565 km (0.117 R)
• M5: 2,887,389 km (0.09 R)
• M6: 3,816,690 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329

Radius: 12.5

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.08 AU - 1.36 AU

Year: 930 Days

Day: 14.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 103.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,587,782 km

• M1: 155,731 km (0.052 R)
• M2: 556,803 km (0.114 R)
• M3: 964,607 km (0.113 R)
• M4: 1,605,933 km (0.073 R)
• M5: 2,034,531 km (0.105 R)
• M6: 3,104,904 km (0.107 R)
• M7: 3,562,374 km (0.079 R)
• M8: 4,662,816 km (0.069 R)
• M9: 5,532,428 km (0.085 R)
• M10: 5,977,781 km (0.064 R)
• M11: 6,568,095 km (0.105 R)
• M12: 7,197,004 km (0.078 R)
• M13: 7,615,878 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.2

Radius: 9.8

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.38 AU - 2.16 AU

Year: 1625 Days

Day: 5.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 31,587,782 km

• M1: 130,300 km (0.068 R)
• M2: 435,330 km (0.049 R)
• M3: 795,561 km (0.109 R)
• M4: 1,182,571 km (0.113 R)
• M5: 1,543,252 km (0.082 R)
• M6: 4,877,639 km (0.1 R)
• M7: 5,582,993 km (0.065 R)
• M8: 6,218,335 km (0.113 R)
• M9: 7,217,798 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.6

Radius: 11.9

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 4.59 AU - 4.73 AU

Year: 6944 Days

Day: 13.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 31,587,782 km

• M1: 157,377 km (0.068 R)
• M2: 550,819 km (0.111 R)
• M3: 1,267,543 km (0.094 R)
• M4: 1,873,115 km (0.115 R)
• M5: 3,475,009 km (0.117 R)
• M6: 4,007,577 km (0.038 R)
• M7: 7,144,794 km (0.111 R)
• M8: 8,198,113 km (0.115 R)
• M9: 8,902,270 km (0.119 R)
• M10: 9,603,884 km (0.072 R)
• M11: 10,253,288 km (0.036 R)
• M12: 12,128,947 km (0.096 R)
• M13: 13,786,491 km (0.074 R)
• M14: 14,445,470 km (0.035 R)
• M15: 18,649,768 km (0.09 R)
• M16: 21,282,541 km (0.046 R)
• M17: 22,237,424 km (0.11 R)
• M18: 23,067,543 km (0.062 R)
• M19: 25,111,947 km (0.098 R)
• M20: 26,428,409 km (0.086 R)
• M21: 26,933,750 km (0.061 R)
• M22: 27,445,674 km (0.103 R)
• M23: 29,558,146 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: 444 - 11,922 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit