🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.3

Radius: 9.1

Gravity: 10.74 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.48 AU - 0.68 AU

Year: 305 Days

Day: 7 Hours

Environment

Temp: -144 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,368,285 km

• M1: 113,246 km (0.035 R)
• M2: 467,194 km (0.095 R)
• M3: 938,876 km (0.103 R)
• M4: 1,349,074 km (0.071 R)
• M5: 1,745,358 km (0.1 R)
• M6: 2,110,826 km (0.099 R)
• M7: 2,418,100 km (0.069 R)
• M8: 2,804,661 km (0.087 R)
• M9: 3,188,529 km (0.074 R)
• M10: 3,799,786 km (0.076 R)
• M11: 4,152,986 km (0.111 R)
• M12: 4,795,509 km (0.091 R)
• M13: 5,088,422 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.3

Radius: 12.4

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.77 AU - 1.03 AU

Year: 589 Days

Day: 6.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,368,285 km

• M1: 154,235 km (0.082 R)
• M2: 575,054 km (0.119 R)
• M3: 1,089,222 km (0.099 R)
• M4: 2,062,506 km (0.072 R)
• M5: 2,831,888 km (0.092 R)
• M6: 3,644,354 km (0.113 R)
• M7: 4,871,954 km (0.038 R)
• M8: 6,197,092 km (0.116 R)
• M9: 6,987,118 km (0.03 R)
• M10: 7,984,487 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.4

Radius: 11.5

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.85 AU - 1.11 AU

Year: 670 Days

Day: 8 Hours

Environment

Temp: -179 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 26,368,285 km

• M1: 145,409 km (0.114 R)
• M2: 685,308 km (0.071 R)
• M3: 1,053,319 km (0.103 R)
• M4: 1,505,553 km (0.077 R)
• M5: 2,008,351 km (0.062 R)
• M6: 2,567,548 km (0.063 R)
• M7: 2,939,598 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.6

Radius: 9.1

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.45 AU - 1.71 AU

Year: 1371 Days

Day: 5.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,368,285 km

• M1: 113,395 km (0.116 R)
• M2: 547,827 km (0.05 R)
• M3: 1,004,849 km (0.079 R)
• M4: 1,313,469 km (0.092 R)
• M5: 2,710,863 km (0.087 R)
• M6: 4,054,850 km (0.081 R)
• M7: 5,025,740 km (0.119 R)
• M8: 5,796,917 km (0.093 R)
• M9: 6,100,152 km (0.099 R)
• M10: 6,953,159 km (0.082 R)
• M11: 7,936,017 km (0.054 R)
• M12: 8,557,597 km (0.095 R)
• M13: 10,206,913 km (0.099 R)
• M14: 11,139,506 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.3

Radius: 9.3

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.23 AU - 3.89 AU

Year: 4636 Days

Day: 7.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 26,368,285 km

• M1: 116,238 km (0.067 R)
• M2: 488,587 km (0.059 R)
• M3: 854,653 km (0.078 R)
• M4: 1,220,120 km (0.071 R)
• M5: 2,107,684 km (0.119 R)
• M6: 2,657,756 km (0.048 R)
• M7: 3,046,112 km (0.081 R)
• M8: 3,414,272 km (0.081 R)
• M9: 3,709,878 km (0.068 R)
• M10: 4,001,145 km (0.111 R)
• M11: 4,845,774 km (0.08 R)
• M12: 5,454,189 km (0.115 R)
• M13: 6,792,791 km (0.117 R)
• M14: 7,821,725 km (0.066 R)
• M15: 8,840,935 km (0.049 R)
• M16: 10,802,462 km (0.05 R)
• M17: 11,270,105 km (0.044 R)
• M18: 11,929,533 km (0.099 R)
• M19: 12,660,917 km (0.093 R)
• M20: 12,990,331 km (0.096 R)
• M21: 15,888,640 km (0.089 R)
• M22: 16,943,604 km (0.077 R)
• M23: 18,885,684 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.4

Radius: 11.6

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.07 AU - 4.55 AU

Year: 5133 Days

Day: 10.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,368,285 km

• M1: 144,212 km (0.109 R)
• M2: 674,836 km (0.12 R)
• M3: 1,238,970 km (0.071 R)
• M4: 1,647,222 km (0.107 R)
• M5: 2,105,291 km (0.106 R)
• M6: 2,877,066 km (0.112 R)
• M7: 3,509,566 km (0.088 R)
• M8: 6,202,477 km (0.095 R)
• M9: 7,715,809 km (0.034 R)
• M10: 8,470,231 km (0.035 R)
• M11: 12,671,837 km (0.042 R)
• M12: 13,478,319 km (0.105 R)
• M13: 16,049,159 km (0.08 R)
• M14: 16,488,977 km (0.084 R)
• M15: 18,628,376 km (0.025 R)
• M16: 19,670,923 km (0.12 R)
• M17: 22,824,596 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.4

Radius: 13.3

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 4.46 AU - 6.04 AU

Year: 8303 Days

Day: 5.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 26,368,285 km

• M1: 165,455 km (0.081 R)
• M2: 778,358 km (0.073 R)
• M3: 1,429,108 km (0.062 R)
• M4: 1,919,041 km (0.109 R)
• M5: 2,382,346 km (0.077 R)
• M6: 3,343,512 km (0.107 R)
• M7: 4,383,816 km (0.086 R)
• M8: 5,519,563 km (0.084 R)
• M9: 6,717,393 km (0.033 R)
• M10: 8,368,206 km (0.087 R)
• M11: 10,485,016 km (0.04 R)
• M12: 11,263,972 km (0.119 R)
• M13: 11,850,395 km (0.107 R)
• M14: 13,281,748 km (0.054 R)
• M15: 14,560,062 km (0.045 R)
• M16: 15,310,893 km (0.097 R)
• M17: 16,890,048 km (0.052 R)
• M18: 18,950,759 km (0.037 R)
• M19: 21,721,312 km (0.107 R)
• M20: 22,418,887 km (0.119 R)
• M21: 23,566,003 km (0.054 R)
• M22: 25,359,532 km (0.083 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 272 - 17,535 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit