🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.3

Radius: 8.2

Gravity: 13.4 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.53 AU - 0.73 AU

Year: 333 Days

Day: 12.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,613,479 km

• M1: 102,026 km (0.115 R)
• M2: 376,837 km (0.078 R)
• M3: 789,578 km (0.105 R)
• M4: 1,133,054 km (0.063 R)
• M5: 1,469,201 km (0.093 R)
• M6: 1,972,897 km (0.102 R)
• M7: 2,427,525 km (0.095 R)
• M8: 2,704,730 km (0.082 R)
• M9: 3,346,504 km (0.081 R)
• M10: 4,452,481 km (0.102 R)
• M11: 5,035,764 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.9

Radius: 10

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.86 AU - 2.1 AU

Year: 1858 Days

Day: 8.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,613,479 km

• M1: 124,316 km (0.1 R)
• M2: 439,967 km (0.047 R)
• M3: 943,065 km (0.06 R)
• M4: 1,953,299 km (0.039 R)
• M5: 2,484,222 km (0.118 R)
• M6: 2,970,116 km (0.043 R)
• M7: 3,853,492 km (0.049 R)
• M8: 5,984,364 km (0.075 R)
• M9: 7,245,623 km (0.119 R)
• M10: 8,644,363 km (0.103 R)
• M11: 9,391,006 km (0.117 R)
• M12: 10,144,680 km (0.097 R)
• M13: 10,500,424 km (0.079 R)
• M14: 11,274,593 km (0.067 R)
• M15: 12,730,779 km (0.065 R)
• M16: 13,186,753 km (0.071 R)
• M17: 15,492,355 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.9

Radius: 10.7

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.02 AU - 2.06 AU

Year: 1943 Days

Day: 5.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,613,479 km

• M1: 134,339 km (0.114 R)
• M2: 508,184 km (0.098 R)
• M3: 1,097,450 km (0.109 R)
• M4: 1,533,977 km (0.103 R)
• M5: 1,873,564 km (0.097 R)
• M6: 2,667,779 km (0.104 R)
• M7: 3,453,616 km (0.094 R)
• M8: 4,871,505 km (0.1 R)
• M9: 5,549,483 km (0.102 R)
• M10: 6,141,142 km (0.085 R)
• M11: 7,311,895 km (0.095 R)
• M12: 8,533,511 km (0.073 R)
• M13: 8,906,309 km (0.107 R)
• M14: 9,420,477 km (0.102 R)
• M15: 10,194,048 km (0.104 R)
• M16: 14,447,115 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473

Radius: 14.9

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.1 AU - 2.5 AU

Year: 2326 Days

Day: 11.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,613,479 km

• M1: 185,352 km (0.118 R)
• M2: 1,268,889 km (0.112 R)
• M3: 1,893,460 km (0.115 R)
• M4: 2,412,415 km (0.118 R)
• M5: 2,952,015 km (0.096 R)
• M6: 4,126,956 km (0.11 R)
• M7: 4,636,188 km (0.101 R)
• M8: 5,276,167 km (0.102 R)
• M9: 6,146,528 km (0.11 R)
• M10: 7,193,114 km (0.069 R)
• M11: 8,113,590 km (0.062 R)
• M12: 10,687,272 km (0.049 R)
• M13: 11,964,239 km (0.116 R)
• M14: 12,518,649 km (0.033 R)
• M15: 13,173,439 km (0.057 R)
• M16: 13,722,164 km (0.095 R)
• M17: 15,976,604 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.3

Radius: 11.3

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.73 AU - 3.69 AU

Year: 3835 Days

Day: 9.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,613,479 km

• M1: 140,772 km (0.09 R)
• M2: 556,205 km (0.118 R)
• M3: 950,395 km (0.103 R)
• M4: 1,311,375 km (0.091 R)
• M5: 1,882,540 km (0.071 R)
• M6: 2,531,944 km (0.12 R)
• M7: 3,652,582 km (0.108 R)
• M8: 4,792,069 km (0.069 R)
• M9: 5,347,675 km (0.048 R)
• M10: 6,245,861 km (0.092 R)
• M11: 7,550,205 km (0.115 R)
• M12: 8,047,169 km (0.029 R)
• M13: 8,415,479 km (0.119 R)
• M14: 9,670,455 km (0.103 R)
• M15: 11,501,832 km (0.059 R)
• M16: 13,554,016 km (0.059 R)
• M17: 16,596,388 km (0.067 R)
• M18: 17,499,211 km (0.068 R)
• M19: 17,931,698 km (0.073 R)
• M20: 19,141,347 km (0.03 R)
• M21: 20,472,768 km (0.092 R)
• M22: 22,729,900 km (0.079 R)
• M23: 24,222,139 km (0.087 R)
• M24: 24,682,302 km (0.108 R)
• M25: 26,989,101 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.8

Radius: 9.9

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.94 AU - 4.9 AU

Year: 5176 Days

Day: 10.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,613,479 km

• M1: 123,418 km (0.099 R)
• M2: 535,860 km (0.116 R)
• M3: 860,637 km (0.056 R)
• M4: 1,903,035 km (0.089 R)
• M5: 2,716,398 km (0.061 R)
• M6: 3,124,202 km (0.058 R)
• M7: 3,637,023 km (0.098 R)
• M8: 5,126,420 km (0.107 R)
• M9: 5,693,396 km (0.037 R)
• M10: 7,294,542 km (0.095 R)
• M11: 8,124,062 km (0.071 R)
• M12: 9,463,711 km (0.083 R)
• M13: 11,082,958 km (0.118 R)
• M14: 13,136,189 km (0.098 R)
• M15: 15,662,598 km (0.088 R)
• M16: 16,014,302 km (0.119 R)
• M17: 17,039,945 km (0.113 R)
• M18: 17,663,320 km (0.07 R)
• M19: 19,828,899 km (0.094 R)
• M20: 21,081,930 km (0.096 R)
• M21: 23,976,649 km (0.101 R)
• M22: 27,805,008 km (0.043 R)
• M23: 28,843,965 km (0.116 R)
• M24: 29,196,119 km (0.047 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.9

Radius: 15

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.66 AU - 4.76 AU

Year: 5760 Days

Day: 8 Hours

Environment

Temp: -219 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,613,479 km

• M1: 186,549 km (0.113 R)
• M2: 832,213 km (0.106 R)
• M3: 2,740,334 km (0.056 R)
• M4: 4,512,171 km (0.114 R)
• M5: 8,079,931 km (0.069 R)
• M6: 8,906,758 km (0.116 R)
• M7: 9,488,843 km (0.095 R)
• M8: 11,009,057 km (0.069 R)
• M9: 15,692,667 km (0.038 R)
• M10: 18,605,038 km (0.106 R)
• M11: 19,283,016 km (0.094 R)
• M12: 20,047,611 km (0.071 R)
• M13: 21,416,132 km (0.07 R)
• M14: 23,154,908 km (0.104 R)
• M15: 26,826,788 km (0.07 R)
• M16: 28,487,623 km (0.101 R)
• M17: 29,480,056 km (0.081 R)
• M18: 31,438,591 km (0.056 R)
• M19: 32,401,104 km (0.096 R)

Asteroid Belt

Center: 5.37 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 829.8

Radius: 5.2

Gravity: 30.69 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 6.45 AU - 6.59 AU

Year: 11102 Days

Day: 22.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 55,613,479 km

• M1: 64,626 km (0.071 R)
• M2: 242,049 km (0.115 R)
• M3: 405,560 km (0.071 R)
• M4: 783,893 km (0.086 R)
• M5: 1,082,939 km (0.033 R)
• M6: 1,318,107 km (0.045 R)
• M7: 1,527,394 km (0.075 R)
• M8: 1,857,706 km (0.111 R)
• M9: 2,103,496 km (0.05 R)
• M10: 3,891,489 km (0.077 R)
• M11: 4,789,825 km (0.082 R)
• M12: 5,818,759 km (0.078 R)
• M13: 7,847,904 km (0.067 R)
• M14: 8,633,443 km (0.091 R)
• M15: 8,873,996 km (0.094 R)
• M16: 9,469,994 km (0.099 R)
• M17: 9,986,705 km (0.084 R)
• M18: 12,793,012 km (0.118 R)
• M19: 13,682,221 km (0.062 R)
• M20: 16,012,058 km (0.118 R)
• M21: 16,968,587 km (0.087 R)
• M22: 19,320,565 km (0.055 R)
• M23: 20,659,616 km (0.074 R)
• M24: 21,090,457 km (0.111 R)
• M25: 25,437,622 km (0.036 R)
• M26: 28,186,632 km (0.107 R)
• M27: 30,568,081 km (0.083 R)
• M28: 32,036,534 km (0.027 R)
• M29: 33,197,563 km (0.057 R)
• M30: 33,907,554 km (0.096 R)
• M31: 37,865,914 km (0.118 R)
• M32: 45,514,554 km (0.11 R)
• M33: 46,390,449 km (0.092 R)
• M34: 48,025,255 km (0.054 R)
• M35: 48,326,545 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 686.6

Radius: 8

Gravity: 10.73 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.35 AU - 7.76 AU

Year: 12483 Days

Day: 16.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,613,479 km

• M1: 99,483 km (0.053 R)
• M2: 362,775 km (0.109 R)
• M3: 613,650 km (0.071 R)
• M4: 936,034 km (0.103 R)
• M5: 2,689,620 km (0.048 R)
• M6: 3,417,863 km (0.118 R)
• M7: 4,010,121 km (0.087 R)
• M8: 6,432,708 km (0.113 R)
• M9: 7,905,200 km (0.11 R)
• M10: 9,487,647 km (0.055 R)
• M11: 12,453,873 km (0.117 R)
• M12: 16,132,186 km (0.07 R)
• M13: 16,424,949 km (0.113 R)
• M14: 17,786,888 km (0.081 R)
• M15: 22,595,113 km (0.116 R)
• M16: 24,276,892 km (0.079 R)
• M17: 25,641,524 km (0.051 R)
• M18: 33,475,216 km (0.069 R)
• M19: 34,433,241 km (0.105 R)
• M20: 40,975,306 km (0.097 R)
• M21: 43,610,173 km (0.043 R)
• M22: 44,608,739 km (0.096 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: 263 - 17,064 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit