🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.59 AU - 0.71 AU

Year: 333 Days

Day: 45.5 Hours

Environment

Temp: -129 °C

Axial Tilt: 13.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.4

Radius: 9.4

Gravity: 10 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.84 AU - 0.92 AU

Year: 525 Days

Day: 7 Hours

Environment

Temp: -151 °C

Axial Tilt: 76.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,196,348 km

• M1: 116,836 km (0.06 R)
• M2: 657,782 km (0.104 R)
• M3: 1,016,518 km (0.068 R)
• M4: 1,408,165 km (0.119 R)
• M5: 1,718,580 km (0.066 R)
• M6: 2,084,347 km (0.059 R)
• M7: 2,575,028 km (0.077 R)
• M8: 2,998,091 km (0.078 R)
• M9: 3,301,326 km (0.068 R)
• M10: 3,733,215 km (0.109 R)
• M11: 4,027,474 km (0.074 R)
• M12: 4,758,858 km (0.084 R)
• M13: 5,259,412 km (0.037 R)
• M14: 5,794,674 km (0.058 R)
• M15: 6,808,199 km (0.111 R)
• M16: 7,271,055 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.4

Radius: 8.7

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.51 AU - 2.09 AU

Year: 1535 Days

Day: 10.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 107.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,196,348 km

• M1: 108,907 km (0.118 R)
• M2: 439,967 km (0.119 R)
• M3: 866,770 km (0.107 R)
• M4: 1,786,797 km (0.103 R)
• M5: 2,162,138 km (0.071 R)
• M6: 2,550,793 km (0.064 R)
• M7: 3,058,080 km (0.031 R)
• M8: 4,039,741 km (0.096 R)
• M9: 4,613,000 km (0.118 R)
• M10: 5,072,415 km (0.104 R)
• M11: 5,496,525 km (0.119 R)
• M12: 6,586,645 km (0.068 R)
• M13: 7,514,451 km (0.114 R)
• M14: 8,793,812 km (0.107 R)
• M15: 9,066,080 km (0.09 R)
• M16: 9,437,980 km (0.079 R)
• M17: 9,949,754 km (0.072 R)
• M18: 10,649,274 km (0.097 R)
• M19: 11,203,983 km (0.038 R)
• M20: 11,887,496 km (0.112 R)
• M21: 12,560,387 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.3

Radius: 12.8

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.86 AU - 1.9 AU

Year: 1639 Days

Day: 12.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,196,348 km

• M1: 159,920 km (0.061 R)
• M2: 561,590 km (0.071 R)
• M3: 1,064,239 km (0.065 R)
• M4: 1,539,811 km (0.036 R)
• M5: 2,089,433 km (0.042 R)
• M6: 2,672,416 km (0.037 R)
• M7: 3,085,007 km (0.117 R)
• M8: 3,524,077 km (0.097 R)
• M9: 4,393,989 km (0.04 R)
• M10: 4,808,674 km (0.052 R)
• M11: 5,271,231 km (0.1 R)
• M12: 5,856,158 km (0.107 R)
• M13: 6,409,521 km (0.042 R)
• M14: 7,482,586 km (0.1 R)
• M15: 12,522,539 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.4

Radius: 11.5

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.42 AU - 3.02 AU

Year: 2852 Days

Day: 14.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,196,348 km

• M1: 143,016 km (0.057 R)
• M2: 568,622 km (0.088 R)
• M3: 1,013,675 km (0.12 R)
• M4: 1,446,163 km (0.082 R)
• M5: 2,199,089 km (0.081 R)
• M6: 2,871,531 km (0.047 R)
• M7: 5,450,748 km (0.096 R)
• M8: 6,022,960 km (0.116 R)
• M9: 7,313,690 km (0.054 R)
• M10: 10,108,179 km (0.082 R)
• M11: 12,774,910 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.5

Radius: 10

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 4.19 AU - 6.75 AU

Year: 8134 Days

Day: 13.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,196,348 km

• M1: 124,316 km (0.118 R)
• M2: 530,624 km (0.054 R)
• M3: 994,078 km (0.101 R)
• M4: 1,592,320 km (0.068 R)
• M5: 2,054,278 km (0.027 R)
• M6: 3,128,839 km (0.117 R)
• M7: 3,545,619 km (0.106 R)
• M8: 3,999,200 km (0.075 R)
• M9: 4,414,932 km (0.104 R)
• M10: 4,940,769 km (0.047 R)
• M11: 6,840,512 km (0.108 R)
• M12: 7,991,668 km (0.112 R)
• M13: 8,573,753 km (0.105 R)
• M14: 9,183,813 km (0.117 R)
• M15: 9,520,857 km (0.098 R)
• M16: 9,866,129 km (0.091 R)
• M17: 12,268,222 km (0.113 R)
• M18: 13,631,956 km (0.091 R)
• M19: 19,546,458 km (0.085 R)
• M20: 19,964,584 km (0.097 R)
• M21: 20,531,410 km (0.07 R)
• M22: 21,255,015 km (0.066 R)
• M23: 24,160,505 km (0.057 R)
• M24: 26,975,787 km (0.082 R)
• M25: 28,462,341 km (0.098 R)
• M26: 32,562,520 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 207.4

Radius: 3

Gravity: 23.04 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 10.02 AU - 11.12 AU

Year: 21850 Days

Day: 22.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 54,196,348 km

• M1: 40,242 km (0.082 R)
• M2: 135,685 km (0.112 R)
• M3: 308,172 km (0.103 R)
• M4: 403,017 km (0.106 R)
• M5: 1,427,762 km (0.09 R)
• M6: 1,573,919 km (0.104 R)
• M7: 2,001,320 km (0.09 R)
• M8: 2,399,400 km (0.095 R)
• M9: 2,802,866 km (0.078 R)
• M10: 3,056,284 km (0.115 R)
• M11: 5,952,350 km (0.079 R)
• M12: 6,487,461 km (0.096 R)
• M13: 9,548,533 km (0.032 R)
• M14: 11,388,138 km (0.1 R)
• M15: 13,773,925 km (0.112 R)
• M16: 16,253,509 km (0.118 R)
• M17: 17,066,574 km (0.085 R)
• M18: 22,073,016 km (0.097 R)
• M19: 23,345,645 km (0.106 R)
• M20: 27,045,201 km (0.11 R)
• M21: 28,607,002 km (0.061 R)
• M22: 30,781,407 km (0.068 R)
• M23: 31,567,843 km (0.107 R)
• M24: 34,126,266 km (0.086 R)
• M25: 38,995,228 km (0.089 R)
• M26: 42,072,905 km (0.114 R)
• M27: 43,180,229 km (0.103 R)
• M28: 45,020,881 km (0.099 R)
• M29: 46,765,790 km (0.041 R)
• M30: 51,795,570 km (0.102 R)
• M31: 54,196,317 km (0.102 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 343 - 16,543 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit