🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.6

Radius: 14.7

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.43 AU - 0.69 AU

Year: 289 Days

Day: 14.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 78,263,729 km

• M1: 182,809 km (0.089 R)
• M2: 696,528 km (0.114 R)
• M3: 1,160,131 km (0.11 R)
• M4: 1,632,113 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.2

Radius: 8.5

Gravity: 13.12 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.51 AU - 0.65 AU

Year: 305 Days

Day: 8.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,263,729 km

• M1: 105,766 km (0.102 R)
• M2: 370,853 km (0.042 R)
• M3: 702,960 km (0.044 R)
• M4: 1,017,266 km (0.07 R)
• M5: 1,334,862 km (0.118 R)
• M6: 1,669,662 km (0.094 R)
• M7: 2,068,340 km (0.049 R)
• M8: 2,492,600 km (0.098 R)
• M9: 3,111,636 km (0.117 R)
• M10: 3,388,691 km (0.087 R)
• M11: 3,718,704 km (0.114 R)
• M12: 4,681,516 km (0.099 R)
• M13: 5,092,012 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.4

Radius: 12.3

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.71 AU - 4.07 AU

Year: 4308 Days

Day: 11.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,263,729 km

• M1: 153,338 km (0.09 R)
• M2: 751,281 km (0.087 R)
• M3: 1,408,165 km (0.113 R)
• M4: 2,616,766 km (0.032 R)
• M5: 3,388,841 km (0.072 R)
• M6: 4,170,190 km (0.116 R)
• M7: 4,888,709 km (0.093 R)
• M8: 5,412,601 km (0.096 R)
• M9: 5,973,593 km (0.097 R)
• M10: 6,824,206 km (0.048 R)
• M11: 8,653,489 km (0.12 R)
• M12: 9,782,953 km (0.111 R)
• M13: 11,184,984 km (0.063 R)
• M14: 13,207,547 km (0.107 R)
• M15: 13,609,217 km (0.097 R)
• M16: 15,188,672 km (0.097 R)
• M17: 23,757,638 km (0.088 R)
• M18: 25,263,939 km (0.102 R)
• M19: 26,513,979 km (0.032 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.4

Radius: 14.6

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.2 AU - 3.84 AU

Year: 4559 Days

Day: 13.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,263,729 km

• M1: 182,210 km (0.117 R)
• M2: 1,420,432 km (0.118 R)
• M3: 1,898,247 km (0.083 R)
• M4: 3,922,456 km (0.039 R)
• M5: 7,087,648 km (0.056 R)
• M6: 9,401,329 km (0.12 R)
• M7: 11,485,676 km (0.098 R)
• M8: 11,993,112 km (0.102 R)
• M9: 12,758,006 km (0.113 R)
• M10: 14,598,359 km (0.07 R)
• M11: 15,919,757 km (0.093 R)
• M12: 17,988,097 km (0.11 R)
• M13: 18,927,272 km (0.087 R)
• M14: 19,964,883 km (0.055 R)
• M15: 20,632,538 km (0.052 R)
• M16: 21,453,232 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.2

Radius: 9.5

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.82 AU - 4.44 AU

Year: 4774 Days

Day: 6.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,263,729 km

• M1: 118,781 km (0.049 R)
• M2: 531,820 km (0.116 R)
• M3: 1,090,419 km (0.059 R)
• M4: 1,425,518 km (0.111 R)
• M5: 2,141,194 km (0.076 R)
• M6: 3,204,985 km (0.09 R)
• M7: 5,964,617 km (0.082 R)
• M8: 6,391,569 km (0.114 R)
• M9: 9,096,598 km (0.05 R)
• M10: 10,014,231 km (0.098 R)
• M11: 12,212,422 km (0.084 R)
• M12: 13,960,174 km (0.09 R)
• M13: 14,409,267 km (0.102 R)
• M14: 16,745,387 km (0.1 R)
• M15: 17,596,450 km (0.113 R)
• M16: 21,225,544 km (0.086 R)
• M17: 22,834,769 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.9

Radius: 9.3

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.36 AU - 5.02 AU

Year: 7011 Days

Day: 8.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 78,263,729 km

• M1: 116,387 km (0.096 R)
• M2: 419,622 km (0.1 R)
• M3: 874,400 km (0.071 R)
• M4: 2,204,025 km (0.102 R)
• M5: 2,493,946 km (0.047 R)
• M6: 2,828,746 km (0.093 R)
• M7: 3,193,615 km (0.116 R)
• M8: 4,194,575 km (0.092 R)
• M9: 4,616,141 km (0.066 R)
• M10: 5,212,439 km (0.106 R)
• M11: 7,090,789 km (0.075 R)
• M12: 7,424,094 km (0.094 R)
• M13: 8,736,815 km (0.082 R)
• M14: 9,206,851 km (0.113 R)
• M15: 10,058,662 km (0.1 R)
• M16: 13,484,303 km (0.105 R)
• M17: 14,345,987 km (0.095 R)
• M18: 14,641,144 km (0.094 R)
• M19: 17,618,291 km (0.039 R)
• M20: 18,438,686 km (0.057 R)
• M21: 18,787,847 km (0.101 R)
• M22: 20,303,124 km (0.049 R)
• M23: 22,054,167 km (0.102 R)
• M24: 23,821,367 km (0.037 R)
• M25: 24,486,778 km (0.097 R)
• M26: 26,292,424 km (0.036 R)
• M27: 26,824,095 km (0.105 R)
• M28: 30,070,369 km (0.082 R)
• M29: 31,737,787 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 97.5

Radius: 6.3

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 8.61 AU - 9.53 AU

Year: 18855 Days

Day: 18 Hours

Environment

Temp: -240 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,263,729 km

• M1: 84,672 km (0.112 R)
• M2: 369,806 km (0.103 R)
• M3: 618,587 km (0.068 R)
• M4: 862,432 km (0.025 R)
• M5: 1,537,268 km (0.112 R)
• M6: 1,962,574 km (0.088 R)
• M7: 4,215,369 km (0.109 R)
• M8: 5,284,844 km (0.038 R)
• M9: 5,625,628 km (0.069 R)
• M10: 6,181,085 km (0.072 R)
• M11: 6,665,483 km (0.094 R)
• M12: 8,107,606 km (0.071 R)
• M13: 13,152,794 km (0.087 R)
• M14: 15,839,871 km (0.09 R)
• M15: 17,890,409 km (0.119 R)
• M16: 23,570,192 km (0.069 R)
• M17: 27,681,440 km (0.093 R)
• M18: 30,051,519 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 685.7

Radius: 3.7

Gravity: 50.09 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 9.16 AU - 10.24 AU

Year: 20853 Days

Day: 18.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 78,263,729 km

• M1: 46,675 km (0.045 R)
• M2: 198,816 km (0.086 R)
• M3: 331,658 km (0.064 R)
• M4: 878,887 km (0.109 R)
• M5: 1,327,831 km (0.039 R)
• M6: 1,468,901 km (0.086 R)
• M7: 1,690,456 km (0.099 R)
• M8: 1,818,811 km (0.077 R)
• M9: 3,515,849 km (0.081 R)
• M10: 4,685,854 km (0.105 R)
• M11: 4,866,568 km (0.051 R)
• M12: 6,221,626 km (0.116 R)
• M13: 7,078,971 km (0.064 R)
• M14: 12,023,480 km (0.094 R)
• M15: 14,153,455 km (0.094 R)
• M16: 14,761,271 km (0.09 R)
• M17: 14,993,596 km (0.119 R)
• M18: 17,281,247 km (0.1 R)
• M19: 18,151,458 km (0.106 R)
• M20: 19,511,153 km (0.076 R)
• M21: 20,073,491 km (0.057 R)
• M22: 21,925,513 km (0.119 R)
• M23: 22,126,871 km (0.088 R)
• M24: 22,841,351 km (0.091 R)
• M25: 23,994,900 km (0.097 R)
• M26: 24,748,873 km (0.082 R)
• M27: 28,998,051 km (0.08 R)
• M28: 30,349,219 km (0.085 R)
• M29: 32,388,537 km (0.066 R)
• M30: 32,649,735 km (0.112 R)
• M31: 38,903,973 km (0.027 R)
• M32: 39,644,633 km (0.073 R)
• M33: 43,647,872 km (0.115 R)
• M34: 47,071,419 km (0.109 R)
• M35: 56,309,835 km (0.118 R)
• M36: 67,532,368 km (0.066 R)
• M37: 67,958,573 km (0.112 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 372 - 13,542 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit