🌌 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: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.6

Radius: 8.4

Gravity: 10.82 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.54 AU - 0.8 AU

Year: 379 Days

Day: 14.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,418,633 km

• M1: 104,569 km (0.073 R)
• M2: 464,352 km (0.117 R)
• M3: 816,804 km (0.033 R)
• M4: 1,101,489 km (0.112 R)
• M5: 1,539,212 km (0.099 R)
• M6: 1,895,255 km (0.044 R)
• M7: 2,234,843 km (0.046 R)
• M8: 2,518,331 km (0.111 R)
• M9: 2,815,582 km (0.092 R)
• M10: 3,398,714 km (0.088 R)
• M11: 3,663,353 km (0.09 R)
• M12: 3,928,889 km (0.112 R)
• M13: 4,303,033 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.3

Radius: 10.8

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.66 AU - 1.92 AU

Year: 1653 Days

Day: 10.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,418,633 km

• M1: 137,780 km (0.116 R)
• M2: 580,290 km (0.119 R)
• M3: 1,163,273 km (0.038 R)
• M4: 1,538,465 km (0.078 R)
• M5: 1,950,158 km (0.096 R)
• M6: 2,461,633 km (0.12 R)
• M7: 2,969,817 km (0.057 R)
• M8: 3,899,268 km (0.041 R)
• M9: 4,294,356 km (0.103 R)
• M10: 5,666,468 km (0.062 R)
• M11: 7,008,361 km (0.105 R)
• M12: 8,582,430 km (0.074 R)
• M13: 8,994,123 km (0.063 R)
• M14: 10,522,565 km (0.117 R)
• M15: 10,957,894 km (0.033 R)
• M16: 11,518,886 km (0.107 R)
• M17: 13,275,614 km (0.077 R)
• M18: 14,086,883 km (0.1 R)
• M19: 15,204,380 km (0.03 R)
• M20: 15,855,579 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.5

Radius: 14.7

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.59 AU - 2.43 AU

Year: 1967 Days

Day: 11.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,418,633 km

• M1: 182,809 km (0.118 R)
• M2: 679,474 km (0.12 R)
• M3: 1,158,187 km (0.117 R)
• M4: 1,627,176 km (0.063 R)
• M5: 2,377,559 km (0.119 R)
• M6: 3,291,004 km (0.118 R)
• M7: 3,763,434 km (0.099 R)
• M8: 4,299,742 km (0.071 R)
• M9: 5,724,063 km (0.057 R)
• M10: 6,509,153 km (0.062 R)
• M11: 7,003,724 km (0.039 R)
• M12: 7,576,983 km (0.104 R)
• M13: 8,153,234 km (0.077 R)
• M14: 8,611,901 km (0.119 R)
• M15: 11,522,327 km (0.088 R)
• M16: 12,101,271 km (0.065 R)
• M17: 12,623,816 km (0.075 R)
• M18: 13,083,531 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.1

Radius: 9

Gravity: 9.53 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.37 AU - 4.53 AU

Year: 5419 Days

Day: 13.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,418,633 km

• M1: 112,049 km (0.078 R)
• M2: 435,779 km (0.087 R)
• M3: 943,065 km (0.1 R)
• M4: 1,705,565 km (0.108 R)
• M5: 2,577,571 km (0.103 R)
• M6: 2,965,329 km (0.118 R)
• M7: 3,412,926 km (0.076 R)
• M8: 3,698,209 km (0.087 R)
• M9: 4,573,057 km (0.092 R)
• M10: 4,893,496 km (0.097 R)
• M11: 9,568,878 km (0.068 R)
• M12: 10,184,473 km (0.104 R)
• M13: 11,839,175 km (0.11 R)
• M14: 14,276,723 km (0.072 R)
• M15: 14,560,361 km (0.065 R)
• M16: 15,256,589 km (0.103 R)
• M17: 15,914,072 km (0.073 R)
• M18: 16,219,102 km (0.117 R)
• M19: 17,030,670 km (0.087 R)
• M20: 21,946,905 km (0.085 R)
• M21: 22,707,610 km (0.111 R)
• M22: 24,362,163 km (0.093 R)
• M23: 25,759,407 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 326.7

Radius: 3.2

Gravity: 31.9 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 5.08 AU - 7.72 AU

Year: 11176 Days

Day: 16.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 59,418,633 km

• M1: 39,793 km (0.079 R)
• M2: 150,346 km (0.069 R)
• M3: 381,923 km (0.054 R)
• M4: 530,025 km (0.081 R)
• M5: 707,897 km (0.111 R)
• M6: 972,536 km (0.111 R)
• M7: 1,216,979 km (0.112 R)
• M8: 1,637,349 km (0.048 R)
• M9: 1,999,076 km (0.074 R)
• M10: 2,448,319 km (0.103 R)
• M11: 2,837,124 km (0.109 R)
• M12: 5,705,064 km (0.091 R)
• M13: 5,903,431 km (0.116 R)
• M14: 6,490,603 km (0.082 R)
• M15: 7,423,196 km (0.058 R)
• M16: 9,876,601 km (0.12 R)
• M17: 12,486,485 km (0.119 R)
• M18: 13,161,172 km (0.113 R)
• M19: 15,267,211 km (0.059 R)
• M20: 15,585,405 km (0.087 R)
• M21: 15,907,789 km (0.054 R)
• M22: 17,173,985 km (0.056 R)
• M23: 17,587,474 km (0.105 R)
• M24: 18,434,048 km (0.095 R)
• M25: 22,255,077 km (0.102 R)
• M26: 22,994,689 km (0.101 R)
• M27: 23,750,457 km (0.063 R)
• M28: 27,684,881 km (0.096 R)
• M29: 30,905,424 km (0.115 R)
• M30: 33,291,959 km (0.06 R)
• M31: 33,505,136 km (0.106 R)
• M32: 34,693,841 km (0.047 R)
• M33: 35,687,021 km (0.1 R)
• M34: 37,154,875 km (0.059 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 496.7

Radius: 5.5

Gravity: 16.42 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 7.89 AU - 8.51 AU

Year: 16208 Days

Day: 15.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 56.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,418,633 km

• M1: 68,366 km (0.117 R)
• M2: 264,788 km (0.055 R)
• M3: 771,775 km (0.113 R)
• M4: 1,546,094 km (0.059 R)
• M5: 1,836,463 km (0.068 R)
• M6: 2,299,768 km (0.077 R)
• M7: 5,158,583 km (0.093 R)
• M8: 9,362,134 km (0.113 R)
• M9: 10,214,543 km (0.082 R)
• M10: 12,011,512 km (0.096 R)
• M11: 13,016,660 km (0.095 R)
• M12: 19,565,457 km (0.069 R)
• M13: 20,338,429 km (0.1 R)
• M14: 23,346,992 km (0.09 R)
• M15: 23,634,369 km (0.066 R)
• M16: 26,327,879 km (0.088 R)
• M17: 27,695,054 km (0.083 R)
• M18: 28,233,157 km (0.115 R)
• M19: 31,144,631 km (0.107 R)
• M20: 35,623,741 km (0.099 R)
• M21: 39,016,022 km (0.118 R)
• M22: 51,437,433 km (0.102 R)
• M23: 53,071,490 km (0.07 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: 256 - 10,815 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit