🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.6

Radius: 13.2

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.57 AU - 0.85 AU

Year: 380 Days

Day: 11.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,450,448 km

• M1: 164,258 km (0.11 R)
• M2: 594,951 km (0.102 R)
• M3: 1,059,452 km (0.11 R)
• M4: 1,968,259 km (0.081 R)
• M5: 3,512,857 km (0.113 R)
• M6: 3,992,917 km (0.099 R)
• M7: 4,417,027 km (0.082 R)
• M8: 5,586,433 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.7

Radius: 14.6

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.7 AU - 1.08 AU

Year: 534 Days

Day: 13.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,450,448 km

• M1: 181,612 km (0.063 R)
• M2: 672,891 km (0.097 R)
• M3: 1,312,422 km (0.104 R)
• M4: 1,805,646 km (0.109 R)
• M5: 2,315,326 km (0.103 R)
• M6: 3,007,516 km (0.102 R)
• M7: 3,523,179 km (0.108 R)
• M8: 4,220,605 km (0.079 R)
• M9: 4,780,400 km (0.094 R)
• M10: 5,324,936 km (0.08 R)
• M11: 5,841,647 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.7

Radius: 11.2

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.42 AU - 3.94 AU

Year: 4489 Days

Day: 12.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,450,448 km

• M1: 139,276 km (0.068 R)
• M2: 489,634 km (0.116 R)
• M3: 1,182,721 km (0.115 R)
• M4: 2,217,788 km (0.1 R)
• M5: 3,163,696 km (0.056 R)
• M6: 4,000,097 km (0.117 R)
• M7: 4,382,320 km (0.104 R)
• M8: 5,370,564 km (0.119 R)
• M9: 6,911,870 km (0.077 R)
• M10: 8,047,318 km (0.115 R)
• M11: 9,157,185 km (0.118 R)
• M12: 9,561,548 km (0.098 R)
• M13: 10,287,995 km (0.042 R)
• M14: 11,509,462 km (0.092 R)
• M15: 12,689,340 km (0.114 R)
• M16: 13,238,813 km (0.114 R)
• M17: 14,093,017 km (0.116 R)
• M18: 15,033,838 km (0.039 R)
• M19: 20,751,917 km (0.063 R)
• M20: 21,515,166 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.2

Radius: 11.2

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.18 AU - 5.3 AU

Year: 6561 Days

Day: 10.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,450,448 km

• M1: 139,425 km (0.089 R)
• M2: 655,837 km (0.087 R)
• M3: 1,210,845 km (0.075 R)
• M4: 1,976,188 km (0.074 R)
• M5: 2,333,278 km (0.071 R)
• M6: 2,883,948 km (0.098 R)
• M7: 3,242,384 km (0.103 R)
• M8: 4,050,362 km (0.085 R)
• M9: 4,607,016 km (0.05 R)
• M10: 5,537,365 km (0.059 R)
• M11: 6,967,371 km (0.12 R)
• M12: 8,035,949 km (0.092 R)
• M13: 9,684,817 km (0.095 R)
• M14: 11,013,994 km (0.117 R)
• M15: 11,647,840 km (0.078 R)
• M16: 12,100,673 km (0.091 R)
• M17: 14,834,574 km (0.05 R)
• M18: 18,561,206 km (0.12 R)
• M19: 19,179,793 km (0.046 R)
• M20: 19,812,144 km (0.113 R)
• M21: 25,214,123 km (0.115 R)
• M22: 25,633,894 km (0.069 R)
• M23: 26,143,724 km (0.074 R)
• M24: 31,137,899 km (0.035 R)
• M25: 32,207,973 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934.2

Radius: 7.1

Gravity: 18.53 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 6.53 AU - 8.87 AU

Year: 13585 Days

Day: 22.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 44,450,448 km

• M1: 88,263 km (0.102 R)
• M2: 431,291 km (0.107 R)
• M3: 791,074 km (0.104 R)
• M4: 1,180,776 km (0.11 R)
• M5: 1,517,670 km (0.108 R)
• M6: 1,917,695 km (0.102 R)
• M7: 2,221,977 km (0.085 R)
• M8: 3,661,258 km (0.07 R)
• M9: 4,878,087 km (0.068 R)
• M10: 6,141,292 km (0.082 R)
• M11: 7,022,722 km (0.089 R)
• M12: 8,178,815 km (0.086 R)
• M13: 8,524,087 km (0.118 R)
• M14: 8,827,770 km (0.096 R)
• M15: 10,980,783 km (0.106 R)
• M16: 11,957,507 km (0.12 R)
• M17: 12,210,477 km (0.112 R)
• M18: 13,393,497 km (0.08 R)
• M19: 14,012,683 km (0.039 R)
• M20: 14,507,403 km (0.107 R)
• M21: 17,887,866 km (0.093 R)
• M22: 20,113,883 km (0.083 R)
• M23: 24,696,963 km (0.059 R)
• M24: 25,732,330 km (0.104 R)
• M25: 26,796,270 km (0.098 R)
• M26: 29,239,652 km (0.065 R)
• M27: 29,468,836 km (0.07 R)
• M28: 30,633,156 km (0.074 R)
• M29: 38,269,529 km (0.077 R)
• M30: 42,085,023 km (0.107 R)
• M31: 61,560,870 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144.9

Radius: 3.8

Gravity: 10.03 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 9.16 AU - 10.38 AU

Year: 19417 Days

Day: 17.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 173.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,450,448 km

• M1: 47,273 km (0.062 R)
• M2: 539,600 km (0.06 R)
• M3: 800,947 km (0.112 R)
• M4: 1,198,877 km (0.082 R)
• M5: 2,640,851 km (0.053 R)
• M6: 3,267,068 km (0.09 R)
• M7: 3,829,705 km (0.059 R)
• M8: 4,425,853 km (0.111 R)
• M9: 4,686,752 km (0.09 R)
• M10: 5,271,231 km (0.088 R)
• M11: 6,884,943 km (0.062 R)
• M12: 7,475,256 km (0.119 R)
• M13: 9,495,126 km (0.106 R)
• M14: 12,755,014 km (0.109 R)
• M15: 14,444,722 km (0.113 R)
• M16: 17,249,981 km (0.069 R)
• M17: 18,555,970 km (0.084 R)
• M18: 39,087,380 km (0.112 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 402 - 16,726 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit