🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.6

Radius: 13.4

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.78 AU - 0.94 AU

Year: 532 Days

Day: 11.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 12,636,501 km

• M1: 166,652 km (0.113 R)
• M2: 638,035 km (0.1 R)
• M3: 1,385,575 km (0.1 R)
• M4: 2,118,306 km (0.106 R)
• M5: 3,776,748 km (0.106 R)
• M6: 4,892,150 km (0.072 R)
• M7: 6,197,989 km (0.116 R)
• M8: 6,674,907 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.5

Radius: 8.9

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.86 AU - 0.95 AU

Year: 569 Days

Day: 13.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 72.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 12,636,501 km

• M1: 110,702 km (0.115 R)
• M2: 534,962 km (0.109 R)
• M3: 1,094,907 km (0.094 R)
• M4: 1,590,674 km (0.057 R)
• M5: 1,975,440 km (0.115 R)
• M6: 2,545,707 km (0.087 R)
• M7: 3,432,224 km (0.068 R)
• M8: 3,829,406 km (0.114 R)
• M9: 5,066,581 km (0.087 R)
• M10: 5,785,249 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.4

Radius: 11.7

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.83 AU - 0.99 AU

Year: 579 Days

Day: 5.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 12,636,501 km

• M1: 145,559 km (0.079 R)
• M2: 514,467 km (0.058 R)
• M3: 915,090 km (0.116 R)
• M4: 1,507,199 km (0.099 R)
• M5: 1,876,705 km (0.063 R)
• M6: 2,552,738 km (0.116 R)
• M7: 4,057,244 km (0.1 R)
• M8: 4,548,673 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.3

Radius: 8.2

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.76 AU - 1.24 AU

Year: 667 Days

Day: 7 Hours

Environment

Temp: -174 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 12,636,501 km

• M1: 102,026 km (0.116 R)
• M2: 390,899 km (0.116 R)
• M3: 775,515 km (0.114 R)
• M4: 1,244,953 km (0.05 R)
• M5: 1,577,210 km (0.09 R)
• M6: 2,098,110 km (0.088 R)
• M7: 2,858,367 km (0.091 R)
• M8: 3,857,531 km (0.114 R)
• M9: 4,496,463 km (0.04 R)
• M10: 5,154,544 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.9

Radius: 8.1

Gravity: 10.01 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.14 AU - 1.58 AU

Year: 1058 Days

Day: 7.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 12,636,501 km

• M1: 100,679 km (0.075 R)
• M2: 377,884 km (0.075 R)
• M3: 648,507 km (0.058 R)
• M4: 1,029,682 km (0.104 R)
• M5: 1,795,623 km (0.093 R)
• M6: 2,306,350 km (0.115 R)
• M7: 2,910,427 km (0.088 R)
• M8: 3,207,827 km (0.106 R)
• M9: 3,525,423 km (0.101 R)
• M10: 3,879,970 km (0.077 R)
• M11: 4,173,930 km (0.059 R)
• M12: 4,770,078 km (0.106 R)
• M13: 5,282,750 km (0.06 R)
• M14: 6,351,178 km (0.109 R)
• M15: 7,115,174 km (0.08 R)
• M16: 7,557,086 km (0.118 R)
• M17: 8,043,130 km (0.039 R)
• M18: 8,414,581 km (0.118 R)
• M19: 8,769,726 km (0.094 R)
• M20: 9,393,400 km (0.087 R)
• M21: 9,895,301 km (0.089 R)
• M22: 10,321,954 km (0.044 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.2

Radius: 8.2

Gravity: 13.46 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.45 AU - 1.89 AU

Year: 1439 Days

Day: 6.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 12,636,501 km

• M1: 132,095 km (0.113 R)
• M2: 403,465 km (0.101 R)
• M3: 846,275 km (0.119 R)
• M4: 1,127,070 km (0.108 R)
• M5: 2,335,522 km (0.076 R)
• M6: 2,607,341 km (0.114 R)
• M7: 4,415,830 km (0.115 R)
• M8: 5,213,935 km (0.119 R)
• M9: 5,773,879 km (0.051 R)
• M10: 7,668,237 km (0.116 R)
• M11: 13,192,587 km (0.062 R)
• M12: 14,145,975 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.9

Radius: 14.9

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.51 AU - 2.95 AU

Year: 3008 Days

Day: 11.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 12,636,501 km

• M1: 185,352 km (0.077 R)
• M2: 762,949 km (0.071 R)
• M3: 1,397,394 km (0.099 R)
• M4: 2,261,621 km (0.076 R)
• M5: 3,074,386 km (0.064 R)
• M6: 3,958,958 km (0.078 R)
• M7: 5,549,183 km (0.11 R)
• M8: 6,557,323 km (0.117 R)
• M9: 7,149,133 km (0.101 R)
• M10: 8,538,149 km (0.04 R)
• M11: 9,418,981 km (0.083 R)
• M12: 10,322,552 km (0.094 R)
• M13: 11,047,204 km (0.109 R)
• M14: 13,382,427 km (0.06 R)
• M15: 14,060,255 km (0.1 R)
• M16: 14,524,756 km (0.086 R)
• M17: 17,531,225 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.5

Radius: 12.1

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.3 AU - 3.32 AU

Year: 3141 Days

Day: 11.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 12,636,501 km

• M1: 150,795 km (0.105 R)
• M2: 581,637 km (0.107 R)
• M3: 1,491,491 km (0.055 R)
• M4: 2,201,931 km (0.08 R)
• M5: 2,683,935 km (0.087 R)
• M6: 3,127,194 km (0.057 R)
• M7: 3,599,325 km (0.081 R)
• M8: 5,155,741 km (0.059 R)
• M9: 5,681,278 km (0.104 R)
• M10: 6,566,449 km (0.114 R)
• M11: 7,121,457 km (0.109 R)
• M12: 8,255,259 km (0.057 R)
• M13: 9,857,004 km (0.095 R)
• M14: 10,963,430 km (0.111 R)
• M15: 14,165,572 km (0.119 R)
• M16: 14,780,120 km (0.118 R)
• M17: 15,252,550 km (0.073 R)
• M18: 19,278,827 km (0.101 R)
• M19: 22,007,642 km (0.095 R)
• M20: 22,693,399 km (0.087 R)
• M21: 23,963,784 km (0.106 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.6

Radius: 8.1

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.91 AU - 3.43 AU

Year: 3764 Days

Day: 5.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 12,636,501 km

• M1: 109,506 km (0.114 R)
• M2: 381,923 km (0.062 R)
• M3: 761,752 km (0.033 R)
• M4: 1,063,042 km (0.09 R)
• M5: 1,724,863 km (0.099 R)
• M6: 2,290,493 km (0.119 R)
• M7: 3,146,492 km (0.101 R)
• M8: 3,854,240 km (0.075 R)
• M9: 4,760,204 km (0.031 R)
• M10: 6,141,591 km (0.112 R)
• M11: 6,615,816 km (0.064 R)
• M12: 7,346,452 km (0.109 R)
• M13: 9,454,137 km (0.093 R)
• M14: 9,766,946 km (0.112 R)
• M15: 10,314,624 km (0.116 R)
• M16: 10,780,920 km (0.075 R)
• M17: 11,683,893 km (0.093 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 374 - 12,315 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit