🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638

Radius: 8.9

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.59 AU - 0.77 AU

Year: 374 Days

Day: 13.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,808,558 km

• M1: 110,702 km (0.091 R)
• M2: 412,292 km (0.057 R)
• M3: 720,912 km (0.075 R)
• M4: 1,084,734 km (0.1 R)
• M5: 1,373,608 km (0.085 R)
• M6: 1,679,535 km (0.101 R)
• M7: 1,975,739 km (0.094 R)
• M8: 2,359,906 km (0.116 R)
• M9: 2,977,297 km (0.062 R)
• M10: 3,301,924 km (0.097 R)
• M11: 3,686,391 km (0.119 R)
• M12: 4,475,968 km (0.081 R)
• M13: 4,977,570 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.8

Radius: 14.3

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.88 AU - 1.2 AU

Year: 707 Days

Day: 14.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 75,808,558 km

• M1: 181,612 km (0.037 R)
• M2: 628,461 km (0.085 R)
• M3: 1,129,614 km (0.047 R)
• M4: 1,970,503 km (0.072 R)
• M5: 2,421,990 km (0.111 R)
• M6: 2,934,961 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.2

Radius: 12

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.53 AU - 2.47 AU

Year: 1886 Days

Day: 13.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,808,558 km

• M1: 151,543 km (0.093 R)
• M2: 614,698 km (0.046 R)
• M3: 1,380,190 km (0.11 R)
• M4: 1,884,484 km (0.107 R)
• M5: 2,589,838 km (0.064 R)
• M6: 2,997,343 km (0.112 R)
• M7: 3,630,441 km (0.083 R)
• M8: 4,052,008 km (0.115 R)
• M9: 4,869,261 km (0.083 R)
• M10: 5,450,598 km (0.063 R)
• M11: 6,272,639 km (0.114 R)
• M12: 8,828,967 km (0.079 R)
• M13: 12,166,795 km (0.075 R)
• M14: 12,675,577 km (0.075 R)
• M15: 13,568,976 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.9

Radius: 11.1

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.12 AU - 3.78 AU

Year: 4273 Days

Day: 14.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,808,558 km

• M1: 142,567 km (0.118 R)
• M2: 542,591 km (0.061 R)
• M3: 1,305,989 km (0.082 R)
• M4: 2,690,368 km (0.089 R)
• M5: 3,571,649 km (0.09 R)
• M6: 4,483,897 km (0.095 R)
• M7: 4,903,519 km (0.118 R)
• M8: 5,520,311 km (0.083 R)
• M9: 5,873,362 km (0.113 R)
• M10: 8,888,058 km (0.094 R)
• M11: 16,479,103 km (0.116 R)
• M12: 17,267,933 km (0.049 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 895.7

Radius: 6.8

Gravity: 19.37 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 6.71 AU - 7.13 AU

Year: 12139 Days

Day: 23.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 75,808,558 km

• M1: 85,271 km (0.054 R)
• M2: 382,372 km (0.116 R)
• M3: 605,273 km (0.091 R)
• M4: 939,175 km (0.077 R)
• M5: 1,269,936 km (0.119 R)
• M6: 1,708,856 km (0.11 R)
• M7: 1,981,873 km (0.106 R)
• M8: 2,264,164 km (0.111 R)
• M9: 3,276,044 km (0.074 R)
• M10: 3,811,455 km (0.085 R)
• M11: 5,021,103 km (0.067 R)
• M12: 7,006,416 km (0.076 R)
• M13: 7,664,647 km (0.056 R)
• M14: 9,463,412 km (0.066 R)
• M15: 13,804,443 km (0.049 R)
• M16: 16,517,251 km (0.102 R)
• M17: 17,053,110 km (0.107 R)
• M18: 21,583,083 km (0.053 R)
• M19: 21,947,354 km (0.077 R)
• M20: 22,876,207 km (0.12 R)
• M21: 26,959,930 km (0.109 R)
• M22: 29,117,580 km (0.12 R)
• M23: 29,339,434 km (0.03 R)
• M24: 29,899,079 km (0.089 R)
• M25: 32,209,319 km (0.092 R)
• M26: 35,261,116 km (0.106 R)
• M27: 35,766,607 km (0.066 R)
• M28: 36,921,652 km (0.068 R)
• M29: 42,073,653 km (0.083 R)
• M30: 42,642,424 km (0.108 R)
• M31: 46,162,761 km (0.105 R)
• M32: 53,775,199 km (0.116 R)
• M33: 58,934,380 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 613.8

Radius: 6.7

Gravity: 13.67 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 8.11 AU - 13.23 AU

Year: 23242 Days

Day: 24.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 75,808,558 km

• M1: 83,326 km (0.051 R)
• M2: 421,417 km (0.096 R)
• M3: 630,106 km (0.086 R)
• M4: 1,203,066 km (0.12 R)
• M5: 1,804,898 km (0.041 R)
• M6: 2,591,035 km (0.079 R)
• M7: 3,409,485 km (0.088 R)
• M8: 4,458,166 km (0.067 R)
• M9: 6,213,996 km (0.107 R)
• M10: 6,568,394 km (0.038 R)
• M11: 7,125,347 km (0.073 R)
• M12: 11,147,136 km (0.047 R)
• M13: 13,781,405 km (0.105 R)
• M14: 14,308,139 km (0.061 R)
• M15: 16,216,559 km (0.061 R)
• M16: 18,468,755 km (0.101 R)
• M17: 21,516,512 km (0.066 R)
• M18: 23,903,645 km (0.115 R)
• M19: 24,336,133 km (0.096 R)
• M20: 25,216,666 km (0.098 R)
• M21: 29,815,155 km (0.051 R)
• M22: 31,078,359 km (0.039 R)
• M23: 34,255,070 km (0.065 R)
• M24: 37,351,297 km (0.1 R)
• M25: 38,521,900 km (0.078 R)
• M26: 40,323,358 km (0.098 R)
• M27: 43,770,691 km (0.107 R)
• M28: 44,093,524 km (0.04 R)
• M29: 44,907,486 km (0.117 R)
• M30: 47,239,866 km (0.111 R)
• M31: 52,507,506 km (0.109 R)
• M32: 60,921,339 km (0.079 R)
• M33: 61,323,758 km (0.108 R)
• M34: 74,009,507 km (0.085 R)
• M35: 77,021,810 km (0.037 R)
• M36: 79,393,834 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 461.6

Radius: 3.2

Gravity: 45.08 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 9.71 AU - 12.23 AU

Year: 24229 Days

Day: 16.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,808,558 km

• M1: 40,541 km (0.102 R)
• M2: 222,153 km (0.076 R)
• M3: 386,411 km (0.111 R)
• M4: 1,514,678 km (0.113 R)
• M5: 2,210,757 km (0.051 R)
• M6: 2,499,332 km (0.055 R)
• M7: 5,338,699 km (0.114 R)
• M8: 6,627,036 km (0.099 R)
• M9: 6,990,409 km (0.063 R)
• M10: 8,367,009 km (0.115 R)
• M11: 11,256,342 km (0.103 R)
• M12: 14,670,764 km (0.063 R)
• M13: 22,321,797 km (0.091 R)
• M14: 25,806,381 km (0.072 R)
• M15: 30,371,210 km (0.047 R)
• M16: 45,269,812 km (0.07 R)
• M17: 52,203,972 km (0.068 R)
• M18: 60,396,999 km (0.076 R)
• M19: 68,978,232 km (0.093 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 16,479 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit