🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.9

Radius: 10.7

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.63 AU - 0.77 AU

Year: 378 Days

Day: 10.4 Hours

Environment

Temp: -135 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,566,133 km

• M1: 133,142 km (0.068 R)
• M2: 475,721 km (0.119 R)
• M3: 948,451 km (0.034 R)
• M4: 1,462,020 km (0.093 R)
• M5: 1,810,733 km (0.103 R)
• M6: 2,259,377 km (0.057 R)
• M7: 3,121,659 km (0.104 R)
• M8: 3,477,702 km (0.06 R)
• M9: 4,163,309 km (0.097 R)
• M10: 4,496,014 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.5

Radius: 12.3

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.82 AU - 1 AU

Year: 561 Days

Day: 9.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 22,566,133 km

• M1: 153,039 km (0.102 R)
• M2: 646,562 km (0.118 R)
• M3: 1,091,017 km (0.104 R)
• M4: 1,736,981 km (0.106 R)
• M5: 2,568,296 km (0.106 R)
• M6: 3,359,519 km (0.059 R)
• M7: 3,749,222 km (0.041 R)
• M8: 5,027,386 km (0.097 R)
• M9: 5,540,058 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.7

Radius: 12.3

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.93 AU - 1.11 AU

Year: 665 Days

Day: 11.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,566,133 km

• M1: 153,039 km (0.103 R)
• M2: 673,938 km (0.094 R)
• M3: 1,080,845 km (0.101 R)
• M4: 1,740,870 km (0.088 R)
• M5: 2,155,406 km (0.083 R)
• M6: 2,914,615 km (0.093 R)
• M7: 3,308,507 km (0.058 R)
• M8: 4,078,038 km (0.051 R)
• M9: 4,468,339 km (0.087 R)
• M10: 6,194,100 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.4

Radius: 13

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1 AU - 1.1 AU

Year: 695 Days

Day: 10.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,566,133 km

• M1: 162,314 km (0.109 R)
• M2: 617,390 km (0.076 R)
• M3: 1,042,847 km (0.113 R)
• M4: 1,509,891 km (0.116 R)
• M5: 1,945,670 km (0.073 R)
• M6: 3,047,309 km (0.056 R)
• M7: 3,618,324 km (0.114 R)
• M8: 4,204,747 km (0.063 R)
• M9: 4,630,503 km (0.081 R)
• M10: 5,116,546 km (0.119 R)
• M11: 5,789,138 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.3

Radius: 13.8

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1 AU - 1.16 AU

Year: 725 Days

Day: 12.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,566,133 km

• M1: 171,589 km (0.032 R)
• M2: 701,913 km (0.051 R)
• M3: 1,362,089 km (0.103 R)
• M4: 2,169,468 km (0.114 R)
• M5: 2,652,969 km (0.067 R)
• M6: 4,765,291 km (0.04 R)
• M7: 5,677,389 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.4

Radius: 13.4

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.03 AU - 1.25 AU

Year: 786 Days

Day: 12.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 22,566,133 km

• M1: 169,046 km (0.082 R)
• M2: 665,112 km (0.093 R)
• M3: 1,144,873 km (0.038 R)
• M4: 1,744,311 km (0.11 R)
• M5: 2,258,928 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.6

Radius: 8.2

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.38 AU - 1.52 AU

Year: 1127 Days

Day: 12.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 22,566,133 km

• M1: 102,026 km (0.072 R)
• M2: 556,803 km (0.12 R)
• M3: 1,066,034 km (0.118 R)
• M4: 1,412,204 km (0.114 R)
• M5: 1,886,130 km (0.094 R)
• M6: 2,323,853 km (0.091 R)
• M7: 2,937,205 km (0.104 R)
• M8: 3,308,806 km (0.109 R)
• M9: 3,568,956 km (0.04 R)
• M10: 4,515,462 km (0.081 R)
• M11: 5,319,401 km (0.068 R)
• M12: 5,814,121 km (0.11 R)
• M13: 6,656,208 km (0.105 R)
• M14: 7,391,332 km (0.111 R)
• M15: 7,910,586 km (0.095 R)
• M16: 8,555,502 km (0.078 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61

Radius: 8.4

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.12 AU - 2.48 AU

Year: 2252 Days

Day: 6.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,566,133 km

• M1: 108,010 km (0.075 R)
• M2: 390,600 km (0.079 R)
• M3: 931,845 km (0.117 R)
• M4: 1,455,737 km (0.068 R)
• M5: 1,793,379 km (0.066 R)
• M6: 2,383,244 km (0.078 R)
• M7: 3,084,110 km (0.09 R)
• M8: 3,886,852 km (0.12 R)
• M9: 4,738,812 km (0.097 R)
• M10: 7,109,040 km (0.107 R)

Planet 9 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.6

Radius: 8

Gravity: 15.24 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.66 AU - 2.94 AU

Year: 3025 Days

Day: 12.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 22,566,133 km

• M1: 99,782 km (0.056 R)
• M2: 378,931 km (0.113 R)
• M3: 659,727 km (0.06 R)
• M4: 915,090 km (0.034 R)
• M5: 1,173,147 km (0.116 R)
• M6: 1,491,491 km (0.065 R)
• M7: 2,334,624 km (0.085 R)
• M8: 2,660,748 km (0.082 R)
• M9: 3,702,846 km (0.094 R)
• M10: 4,441,710 km (0.108 R)
• M11: 4,895,590 km (0.038 R)
• M12: 5,512,532 km (0.061 R)
• M13: 5,867,827 km (0.076 R)
• M14: 6,504,067 km (0.058 R)
• M15: 6,900,950 km (0.086 R)
• M16: 7,379,065 km (0.099 R)
• M17: 8,224,741 km (0.067 R)
• M18: 9,058,301 km (0.101 R)
• M19: 9,631,709 km (0.047 R)
• M20: 12,352,895 km (0.119 R)
• M21: 14,393,858 km (0.101 R)
• M22: 14,651,017 km (0.116 R)
• M23: 15,387,188 km (0.114 R)
• M24: 16,203,095 km (0.081 R)
• M25: 18,278,616 km (0.093 R)
• M26: 19,193,407 km (0.118 R)
• M27: 20,851,101 km (0.103 R)
• M28: 22,257,919 km (0.104 R)
• M29: 23,089,534 km (0.119 R)

Planet 10 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156

Radius: 12.1

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.4 AU - 5.18 AU

Year: 6769 Days

Day: 14.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,566,133 km

• M1: 150,944 km (0.029 R)
• M2: 539,899 km (0.118 R)
• M3: 2,537,629 km (0.097 R)
• M4: 3,450,026 km (0.06 R)
• M5: 4,003,239 km (0.117 R)
• M6: 5,390,011 km (0.109 R)
• M7: 6,683,135 km (0.118 R)
• M8: 7,075,082 km (0.12 R)
• M9: 8,447,493 km (0.116 R)
• M10: 9,531,628 km (0.083 R)
• M11: 9,912,953 km (0.075 R)
• M12: 12,509,823 km (0.113 R)
• M13: 12,967,443 km (0.057 R)
• M14: 13,819,552 km (0.067 R)
• M15: 17,949,052 km (0.079 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: 308 - 19,215 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit