🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.5

Radius: 12.5

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.31 AU - 1.37 AU

Year: 1018 Days

Day: 8.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,101,975 km

• M1: 156,779 km (0.111 R)
• M2: 614,698 km (0.098 R)
• M3: 1,152,951 km (0.109 R)
• M4: 1,581,698 km (0.1 R)
• M5: 2,088,835 km (0.044 R)
• M6: 2,610,632 km (0.06 R)
• M7: 3,381,660 km (0.045 R)
• M8: 3,874,286 km (0.071 R)
• M9: 4,315,749 km (0.088 R)
• M10: 4,861,482 km (0.09 R)
• M11: 5,376,398 km (0.103 R)
• M12: 6,175,251 km (0.089 R)
• M13: 6,892,572 km (0.092 R)
• M14: 7,472,414 km (0.074 R)
• M15: 7,909,838 km (0.083 R)
• M16: 8,338,585 km (0.117 R)
• M17: 8,836,297 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.6

Radius: 13.4

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.5 AU - 1.98 AU

Year: 1506 Days

Day: 7.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,101,975 km

• M1: 170,093 km (0.072 R)
• M2: 673,340 km (0.088 R)
• M3: 1,569,132 km (0.12 R)
• M4: 2,002,367 km (0.093 R)
• M5: 2,665,236 km (0.119 R)
• M6: 3,091,141 km (0.096 R)
• M7: 3,800,534 km (0.084 R)
• M8: 4,524,139 km (0.075 R)
• M9: 5,175,937 km (0.059 R)
• M10: 6,620,155 km (0.102 R)
• M11: 7,384,899 km (0.113 R)
• M12: 8,235,363 km (0.057 R)
• M13: 8,944,457 km (0.09 R)
• M14: 9,879,892 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.6

Radius: 12.9

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.54 AU - 1.94 AU

Year: 1506 Days

Day: 13.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,101,975 km

• M1: 160,519 km (0.064 R)
• M2: 589,416 km (0.074 R)
• M3: 1,300,604 km (0.061 R)
• M4: 1,913,955 km (0.113 R)
• M5: 2,344,498 km (0.07 R)
• M6: 3,263,777 km (0.069 R)
• M7: 4,814,059 km (0.076 R)
• M8: 5,847,482 km (0.117 R)
• M9: 6,316,321 km (0.075 R)
• M10: 7,782,979 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.9

Radius: 11.8

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.53 AU - 2.73 AU

Year: 2798 Days

Day: 12.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 88.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 80,101,975 km

• M1: 171,140 km (0.104 R)
• M2: 574,306 km (0.032 R)
• M3: 1,018,163 km (0.108 R)
• M4: 1,672,803 km (0.097 R)
• M5: 2,441,736 km (0.089 R)
• M6: 3,547,564 km (0.111 R)
• M7: 4,468,788 km (0.106 R)
• M8: 5,490,541 km (0.12 R)
• M9: 6,811,640 km (0.119 R)
• M10: 8,403,960 km (0.089 R)
• M11: 9,607,774 km (0.117 R)
• M12: 10,634,763 km (0.058 R)
• M13: 11,174,961 km (0.086 R)
• M14: 11,909,038 km (0.095 R)
• M15: 12,491,871 km (0.105 R)
• M16: 13,714,534 km (0.038 R)
• M17: 14,912,514 km (0.05 R)
• M18: 15,802,322 km (0.03 R)
• M19: 16,506,479 km (0.115 R)
• M20: 16,950,187 km (0.062 R)
• M21: 19,288,850 km (0.109 R)
• M22: 21,049,019 km (0.09 R)
• M23: 22,034,869 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.1

Radius: 13

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.74 AU - 2.98 AU

Year: 3173 Days

Day: 11.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,101,975 km

• M1: 169,943 km (0.088 R)
• M2: 594,053 km (0.071 R)
• M3: 1,059,602 km (0.06 R)
• M4: 2,833,982 km (0.12 R)
• M5: 3,444,491 km (0.103 R)
• M6: 4,547,326 km (0.056 R)
• M7: 8,609,657 km (0.032 R)
• M8: 11,834,538 km (0.108 R)
• M9: 12,471,825 km (0.103 R)
• M10: 13,865,179 km (0.115 R)
• M11: 16,228,975 km (0.119 R)
• M12: 17,477,519 km (0.117 R)
• M13: 18,425,072 km (0.102 R)
• M14: 19,096,168 km (0.104 R)
• M15: 20,101,316 km (0.069 R)
• M16: 20,943,702 km (0.054 R)
• M17: 22,491,591 km (0.098 R)
• M18: 22,977,635 km (0.083 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 303.7

Radius: 4.4

Gravity: 15.69 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 6.08 AU - 9.42 AU

Year: 14153 Days

Day: 15.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,101,975 km

• M1: 62,382 km (0.081 R)
• M2: 327,619 km (0.08 R)
• M3: 739,761 km (0.111 R)
• M4: 1,272,629 km (0.113 R)
• M5: 1,911,711 km (0.1 R)
• M6: 2,255,936 km (0.092 R)
• M7: 3,439,853 km (0.109 R)
• M8: 4,955,579 km (0.091 R)
• M9: 7,220,940 km (0.115 R)
• M10: 7,837,283 km (0.115 R)
• M11: 13,527,238 km (0.111 R)
• M12: 15,503,575 km (0.118 R)
• M13: 25,707,945 km (0.097 R)
• M14: 26,368,121 km (0.096 R)
• M15: 28,018,335 km (0.074 R)
• M16: 33,715,022 km (0.039 R)
• M17: 37,190,479 km (0.103 R)
• M18: 38,522,349 km (0.074 R)
• M19: 43,633,809 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 710.4

Radius: 7.3

Gravity: 13.33 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 9.37 AU - 10.93 AU

Year: 21213 Days

Day: 17.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 80,101,975 km

• M1: 91,703 km (0.047 R)
• M2: 424,708 km (0.103 R)
• M3: 674,986 km (0.073 R)
• M4: 908,358 km (0.1 R)
• M5: 1,371,214 km (0.054 R)
• M6: 2,787,008 km (0.057 R)
• M7: 4,481,204 km (0.043 R)
• M8: 6,146,528 km (0.109 R)
• M9: 6,676,703 km (0.115 R)
• M10: 8,135,431 km (0.068 R)
• M11: 8,557,896 km (0.115 R)
• M12: 9,218,819 km (0.118 R)
• M13: 9,446,507 km (0.115 R)
• M14: 12,002,536 km (0.1 R)
• M15: 12,480,801 km (0.116 R)
• M16: 15,381,204 km (0.072 R)
• M17: 15,863,957 km (0.047 R)
• M18: 18,162,677 km (0.103 R)
• M19: 18,431,056 km (0.088 R)
• M20: 18,792,933 km (0.072 R)
• M21: 21,163,760 km (0.083 R)
• M22: 22,471,994 km (0.085 R)
• M23: 24,917,321 km (0.117 R)
• M24: 27,066,892 km (0.114 R)
• M25: 28,727,728 km (0.116 R)
• M26: 32,120,458 km (0.045 R)
• M27: 41,519,094 km (0.081 R)
• M28: 41,985,241 km (0.113 R)
• M29: 42,612,056 km (0.106 R)
• M30: 46,005,684 km (0.111 R)
• M31: 47,683,274 km (0.069 R)
• M32: 53,876,028 km (0.112 R)
• M33: 54,988,737 km (0.05 R)
• M34: 56,116,854 km (0.073 R)
• M35: 60,384,881 km (0.099 R)
• M36: 65,912,523 km (0.086 R)
• M37: 74,249,911 km (0.104 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: 552 - 13,029 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit