🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.3

Radius: 10.9

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.52 AU - 0.8 AU

Year: 370 Days

Day: 8.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,419,193 km

• M1: 135,536 km (0.096 R)
• M2: 496,067 km (0.08 R)
• M3: 851,062 km (0.103 R)
• M4: 1,219,073 km (0.116 R)
• M5: 1,709,455 km (0.119 R)
• M6: 2,217,788 km (0.081 R)
• M7: 2,746,019 km (0.102 R)
• M8: 3,168,782 km (0.076 R)
• M9: 3,587,656 km (0.066 R)
• M10: 4,705,900 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.2

Radius: 9.9

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.74 AU - 0.94 AU

Year: 531 Days

Day: 13.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 40,419,193 km

• M1: 123,119 km (0.105 R)
• M2: 780,302 km (0.111 R)
• M3: 1,151,305 km (0.053 R)
• M4: 1,758,523 km (0.025 R)
• M5: 2,412,714 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.3

Radius: 9.2

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.41 AU - 3.47 AU

Year: 3480 Days

Day: 6 Hours

Environment

Temp: -218 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,419,193 km

• M1: 114,442 km (0.081 R)
• M2: 531,970 km (0.102 R)
• M3: 963,859 km (0.075 R)
• M4: 1,552,826 km (0.107 R)
• M5: 2,325,948 km (0.048 R)
• M6: 3,107,148 km (0.109 R)
• M7: 3,576,287 km (0.104 R)
• M8: 3,865,160 km (0.065 R)
• M9: 5,695,789 km (0.091 R)
• M10: 7,246,222 km (0.11 R)
• M11: 10,018,869 km (0.09 R)
• M12: 10,818,619 km (0.094 R)
• M13: 11,778,439 km (0.07 R)
• M14: 12,218,256 km (0.072 R)
• M15: 12,877,534 km (0.09 R)
• M16: 14,267,149 km (0.095 R)
• M17: 15,278,879 km (0.098 R)
• M18: 16,834,697 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.9

Radius: 9.4

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.58 AU - 3.64 AU

Year: 3786 Days

Day: 7.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,419,193 km

• M1: 118,332 km (0.062 R)
• M2: 476,469 km (0.104 R)
• M3: 836,102 km (0.094 R)
• M4: 1,146,368 km (0.036 R)
• M5: 1,492,388 km (0.089 R)
• M6: 1,933,702 km (0.108 R)
• M7: 2,824,109 km (0.035 R)
• M8: 3,315,238 km (0.108 R)
• M9: 4,400,870 km (0.108 R)
• M10: 4,771,125 km (0.107 R)
• M11: 5,288,734 km (0.084 R)
• M12: 6,612,974 km (0.033 R)
• M13: 6,914,563 km (0.097 R)
• M14: 7,908,641 km (0.072 R)
• M15: 8,318,090 km (0.035 R)
• M16: 9,479,419 km (0.091 R)
• M17: 11,462,189 km (0.12 R)
• M18: 14,448,910 km (0.102 R)
• M19: 17,457,324 km (0.116 R)
• M20: 19,659,554 km (0.1 R)
• M21: 20,475,461 km (0.117 R)
• M22: 21,840,990 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.8

Radius: 10

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.32 AU - 5.06 AU

Year: 5920 Days

Day: 7.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,419,193 km

• M1: 124,316 km (0.1 R)
• M2: 756,068 km (0.093 R)
• M3: 1,910,215 km (0.109 R)
• M4: 2,896,065 km (0.068 R)
• M5: 3,831,650 km (0.114 R)
• M6: 5,342,738 km (0.113 R)
• M7: 5,970,002 km (0.108 R)
• M8: 8,745,940 km (0.114 R)
• M9: 9,899,489 km (0.109 R)
• M10: 11,462,937 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877

Radius: 9.7

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 4.34 AU - 4.56 AU

Year: 6480 Days

Day: 14.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,419,193 km

• M1: 125,213 km (0.066 R)
• M2: 440,865 km (0.093 R)
• M3: 982,708 km (0.028 R)
• M4: 1,311,973 km (0.079 R)
• M5: 4,444,403 km (0.116 R)
• M6: 5,244,303 km (0.118 R)
• M7: 6,170,912 km (0.116 R)
• M8: 6,620,155 km (0.114 R)
• M9: 8,767,183 km (0.092 R)
• M10: 10,741,426 km (0.072 R)
• M11: 11,858,623 km (0.058 R)
• M12: 12,718,362 km (0.084 R)
• M13: 14,622,444 km (0.105 R)
• M14: 15,173,114 km (0.113 R)
• M15: 17,378,934 km (0.11 R)
• M16: 20,540,087 km (0.116 R)
• M17: 21,857,894 km (0.055 R)
• M18: 22,336,308 km (0.109 R)
• M19: 25,705,402 km (0.091 R)
• M20: 26,778,767 km (0.106 R)
• M21: 28,256,046 km (0.109 R)
• M22: 32,597,675 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.3

Radius: 13

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.48 AU - 5.04 AU

Year: 7168 Days

Day: 14.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 40,419,193 km

• M1: 161,715 km (0.062 R)
• M2: 590,313 km (0.103 R)
• M3: 1,292,675 km (0.08 R)
• M4: 2,301,713 km (0.041 R)
• M5: 2,738,090 km (0.102 R)
• M6: 3,384,801 km (0.089 R)
• M7: 4,261,744 km (0.097 R)
• M8: 5,224,107 km (0.093 R)
• M9: 5,789,587 km (0.051 R)
• M10: 6,291,787 km (0.092 R)
• M11: 8,057,042 km (0.053 R)
• M12: 8,556,549 km (0.106 R)
• M13: 9,344,332 km (0.033 R)
• M14: 10,228,006 km (0.055 R)
• M15: 11,166,434 km (0.078 R)
• M16: 13,734,581 km (0.106 R)
• M17: 14,815,126 km (0.111 R)
• M18: 15,886,995 km (0.107 R)
• M19: 16,674,179 km (0.076 R)
• M20: 17,764,149 km (0.071 R)
• M21: 22,521,211 km (0.07 R)
• M22: 24,710,726 km (0.119 R)
• M23: 25,589,464 km (0.11 R)
• M24: 27,038,768 km (0.094 R)
• M25: 29,023,034 km (0.106 R)
• M26: 33,068,161 km (0.058 R)
• M27: 33,598,934 km (0.081 R)
• M28: 39,579,707 km (0.099 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 516 - 19,074 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit