🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.6

Radius: 11.1

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.54 AU - 0.6 AU

Year: 292 Days

Day: 10.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 71,896,565 km

• M1: 138,079 km (0.116 R)
• M2: 551,867 km (0.114 R)
• M3: 962,363 km (0.111 R)
• M4: 1,335,161 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550

Radius: 14.5

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.66 AU - 0.84 AU

Year: 441 Days

Day: 15 Hours

Environment

Temp: -155 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,896,565 km

• M1: 180,415 km (0.103 R)
• M2: 654,191 km (0.111 R)
• M3: 1,139,786 km (0.073 R)
• M4: 1,783,057 km (0.111 R)
• M5: 2,531,346 km (0.105 R)
• M6: 3,112,533 km (0.07 R)
• M7: 3,624,158 km (0.061 R)
• M8: 4,152,538 km (0.055 R)
• M9: 4,746,740 km (0.119 R)
• M10: 5,460,921 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.4

Radius: 12.9

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.1 AU - 1.2 AU

Year: 836 Days

Day: 11.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,896,565 km

• M1: 160,519 km (0.117 R)
• M2: 562,338 km (0.116 R)
• M3: 1,277,416 km (0.095 R)
• M4: 1,752,988 km (0.071 R)
• M5: 2,155,855 km (0.042 R)
• M6: 2,621,403 km (0.049 R)
• M7: 3,100,565 km (0.116 R)
• M8: 4,025,529 km (0.08 R)
• M9: 4,457,717 km (0.113 R)
• M10: 5,013,623 km (0.068 R)
• M11: 6,374,814 km (0.096 R)
• M12: 6,871,778 km (0.081 R)
• M13: 7,665,694 km (0.092 R)
• M14: 9,407,911 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491

Radius: 9

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.75 AU - 2.07 AU

Year: 1790 Days

Day: 5.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,896,565 km

• M1: 111,899 km (0.064 R)
• M2: 448,345 km (0.055 R)
• M3: 926,011 km (0.056 R)
• M4: 1,294,919 km (0.115 R)
• M5: 1,644,230 km (0.075 R)
• M6: 1,925,923 km (0.08 R)
• M7: 2,422,289 km (0.114 R)
• M8: 2,859,414 km (0.029 R)
• M9: 3,179,553 km (0.065 R)
• M10: 3,806,368 km (0.109 R)
• M11: 4,268,326 km (0.11 R)
• M12: 5,114,302 km (0.105 R)
• M13: 5,412,750 km (0.109 R)
• M14: 5,768,045 km (0.106 R)
• M15: 6,115,112 km (0.092 R)
• M16: 6,402,789 km (0.085 R)
• M17: 6,724,723 km (0.114 R)
• M18: 7,241,135 km (0.11 R)
• M19: 8,065,120 km (0.115 R)
• M20: 8,529,472 km (0.103 R)
• M21: 8,858,887 km (0.064 R)
• M22: 10,363,542 km (0.097 R)
• M23: 10,982,578 km (0.086 R)
• M24: 11,444,985 km (0.095 R)
• M25: 11,772,455 km (0.089 R)
• M26: 13,545,788 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.3

Radius: 8.7

Gravity: 9.83 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.79 AU - 4.27 AU

Year: 4498 Days

Day: 6.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,896,565 km

• M1: 108,159 km (0.109 R)
• M2: 402,717 km (0.043 R)
• M3: 825,780 km (0.095 R)
• M4: 1,498,223 km (0.11 R)
• M5: 1,925,325 km (0.1 R)
• M6: 2,950,369 km (0.102 R)
• M7: 3,886,702 km (0.055 R)
• M8: 4,799,698 km (0.112 R)
• M9: 5,142,726 km (0.098 R)
• M10: 6,302,708 km (0.031 R)
• M11: 8,060,034 km (0.077 R)
• M12: 8,776,907 km (0.086 R)
• M13: 9,051,419 km (0.098 R)
• M14: 10,079,157 km (0.09 R)
• M15: 10,555,327 km (0.047 R)
• M16: 11,505,871 km (0.076 R)
• M17: 12,026,023 km (0.077 R)
• M18: 12,710,583 km (0.079 R)
• M19: 15,482,332 km (0.055 R)
• M20: 16,469,529 km (0.103 R)
• M21: 20,358,625 km (0.097 R)
• M22: 22,260,313 km (0.102 R)
• M23: 26,008,787 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.7

Radius: 13

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 3.44 AU - 4.54 AU

Year: 5406 Days

Day: 11 Hours

Environment

Temp: -225 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,896,565 km

• M1: 197,469 km (0.039 R)
• M2: 715,975 km (0.077 R)
• M3: 1,237,174 km (0.087 R)
• M4: 1,805,796 km (0.08 R)
• M5: 2,324,003 km (0.106 R)
• M6: 3,888,348 km (0.077 R)
• M7: 5,307,284 km (0.1 R)
• M8: 9,556,312 km (0.08 R)
• M9: 11,449,323 km (0.051 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.6

Radius: 10.1

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 4.93 AU - 5.59 AU

Year: 8182 Days

Day: 9 Hours

Environment

Temp: -217 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 71,896,565 km

• M1: 125,662 km (0.106 R)
• M2: 689,497 km (0.117 R)
• M3: 1,605,036 km (0.089 R)
• M4: 2,545,557 km (0.098 R)
• M5: 3,460,498 km (0.118 R)
• M6: 4,019,246 km (0.089 R)
• M7: 4,580,986 km (0.117 R)
• M8: 5,194,337 km (0.077 R)
• M9: 6,802,365 km (0.109 R)
• M10: 7,522,529 km (0.101 R)
• M11: 9,159,429 km (0.082 R)
• M12: 16,723,696 km (0.117 R)
• M13: 20,315,391 km (0.109 R)
• M14: 20,778,396 km (0.077 R)
• M15: 21,327,420 km (0.093 R)
• M16: 23,367,337 km (0.089 R)
• M17: 24,304,717 km (0.077 R)
• M18: 24,739,149 km (0.115 R)
• M19: 25,802,641 km (0.071 R)
• M20: 26,254,726 km (0.104 R)
• M21: 27,361,301 km (0.091 R)
• M22: 31,995,693 km (0.116 R)
• M23: 35,657,101 km (0.112 R)
• M24: 38,756,769 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 498

Radius: 3.9

Gravity: 32.74 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 8.66 AU - 11.4 AU

Year: 21545 Days

Day: 24.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 71,896,565 km

• M1: 48,470 km (0.025 R)
• M2: 178,919 km (0.098 R)
• M3: 420,520 km (0.089 R)
• M4: 640,728 km (0.052 R)
• M5: 1,296,714 km (0.105 R)
• M6: 1,625,680 km (0.106 R)
• M7: 1,911,861 km (0.106 R)
• M8: 2,188,916 km (0.1 R)
• M9: 2,847,595 km (0.093 R)
• M10: 2,998,839 km (0.099 R)
• M11: 3,867,703 km (0.065 R)
• M12: 4,510,226 km (0.083 R)
• M13: 4,964,256 km (0.069 R)
• M14: 5,146,765 km (0.056 R)
• M15: 5,681,578 km (0.113 R)
• M16: 6,639,453 km (0.103 R)
• M17: 6,771,847 km (0.117 R)
• M18: 8,296,100 km (0.114 R)
• M19: 9,411,950 km (0.067 R)
• M20: 9,748,396 km (0.069 R)
• M21: 9,919,536 km (0.053 R)
• M22: 10,150,964 km (0.091 R)
• M23: 13,565,385 km (0.089 R)
• M24: 15,030,846 km (0.088 R)
• M25: 15,336,026 km (0.034 R)
• M26: 19,507,862 km (0.036 R)
• M27: 19,688,875 km (0.09 R)
• M28: 20,331,248 km (0.074 R)
• M29: 21,272,967 km (0.086 R)
• M30: 23,754,047 km (0.07 R)
• M31: 26,200,721 km (0.117 R)
• M32: 27,428,171 km (0.074 R)
• M33: 30,117,492 km (0.09 R)
• M34: 36,559,476 km (0.046 R)
• M35: 37,528,720 km (0.116 R)
• M36: 51,385,223 km (0.045 R)
• M37: 65,015,683 km (0.069 R)
• M38: 67,052,159 km (0.073 R)
• M39: 68,711,648 km (0.082 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 162 - 17,938 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit