🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.2

Radius: 11.8

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.49 AU - 0.73 AU

Year: 318 Days

Day: 8.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,121,011 km

• M1: 146,756 km (0.084 R)
• M2: 581,188 km (0.117 R)
• M3: 1,156,392 km (0.12 R)
• M4: 1,901,539 km (0.098 R)
• M5: 2,286,753 km (0.107 R)
• M6: 2,994,052 km (0.068 R)
• M7: 3,399,761 km (0.036 R)
• M8: 4,259,351 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.9

Radius: 14.6

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.54 AU - 0.86 AU

Year: 391 Days

Day: 12.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,121,011 km

• M1: 181,911 km (0.063 R)
• M2: 656,136 km (0.118 R)
• M3: 1,424,022 km (0.099 R)
• M4: 1,916,947 km (0.034 R)
• M5: 2,622,899 km (0.066 R)
• M6: 3,093,086 km (0.113 R)
• M7: 3,682,501 km (0.054 R)
• M8: 5,231,886 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.6

Radius: 13.2

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.69 AU - 1.09 AU

Year: 560 Days

Day: 8 Hours

Environment

Temp: -180 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,121,011 km

• M1: 164,109 km (0.042 R)
• M2: 580,889 km (0.11 R)
• M3: 1,082,789 km (0.073 R)
• M4: 1,770,042 km (0.12 R)
• M5: 2,279,273 km (0.117 R)
• M6: 2,745,869 km (0.072 R)
• M7: 3,998,153 km (0.098 R)
• M8: 5,344,384 km (0.063 R)
• M9: 6,103,593 km (0.058 R)
• M10: 6,635,713 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.3

Radius: 14.6

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.74 AU - 1.12 AU

Year: 598 Days

Day: 8.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,121,011 km

• M1: 182,958 km (0.116 R)
• M2: 772,374 km (0.032 R)
• M3: 1,405,173 km (0.111 R)
• M4: 2,101,850 km (0.12 R)
• M5: 2,601,357 km (0.105 R)
• M6: 3,368,645 km (0.076 R)
• M7: 3,979,004 km (0.11 R)
• M8: 5,340,943 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.6

Radius: 14.6

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.01 AU - 1.39 AU

Year: 877 Days

Day: 5.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,121,011 km

• M1: 181,612 km (0.105 R)
• M2: 661,971 km (0.078 R)
• M3: 1,451,698 km (0.077 R)
• M4: 2,014,036 km (0.102 R)
• M5: 2,522,071 km (0.04 R)
• M6: 3,066,457 km (0.086 R)
• M7: 4,191,882 km (0.034 R)
• M8: 4,807,926 km (0.082 R)
• M9: 5,409,758 km (0.116 R)
• M10: 6,637,807 km (0.087 R)
• M11: 7,272,850 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.6

Radius: 14.3

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.39 AU - 1.87 AU

Year: 1388 Days

Day: 11.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,121,011 km

• M1: 180,864 km (0.113 R)
• M2: 707,000 km (0.113 R)
• M3: 1,309,879 km (0.107 R)
• M4: 1,786,049 km (0.096 R)
• M5: 3,118,966 km (0.067 R)
• M6: 3,973,170 km (0.064 R)
• M7: 4,841,735 km (0.096 R)
• M8: 5,531,082 km (0.096 R)
• M9: 6,079,209 km (0.116 R)
• M10: 7,183,091 km (0.068 R)
• M11: 8,304,178 km (0.095 R)
• M12: 10,008,247 km (0.093 R)

Asteroid Belt

Center: 3.3 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722

Radius: 14.3

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 4.71 AU - 5.23 AU

Year: 7389 Days

Day: 8.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 79,121,011 km

• M1: 177,872 km (0.082 R)
• M2: 740,360 km (0.067 R)
• M3: 1,292,974 km (0.107 R)
• M4: 2,123,691 km (0.036 R)
• M5: 2,913,269 km (0.102 R)
• M6: 3,467,379 km (0.115 R)
• M7: 4,168,545 km (0.116 R)
• M8: 4,790,423 km (0.034 R)
• M9: 5,350,368 km (0.06 R)
• M10: 6,392,915 km (0.073 R)
• M11: 7,489,617 km (0.099 R)
• M12: 8,329,310 km (0.107 R)
• M13: 9,410,155 km (0.105 R)
• M14: 10,102,195 km (0.098 R)
• M15: 10,729,458 km (0.074 R)
• M16: 11,640,510 km (0.067 R)
• M17: 12,115,184 km (0.113 R)
• M18: 15,178,050 km (0.086 R)
• M19: 17,327,173 km (0.11 R)
• M20: 21,192,782 km (0.108 R)
• M21: 24,898,322 km (0.092 R)
• M22: 25,776,910 km (0.113 R)
• M23: 27,225,616 km (0.103 R)
• M24: 30,087,273 km (0.11 R)
• M25: 33,038,839 km (0.111 R)
• M26: 35,733,995 km (0.092 R)
• M27: 38,224,350 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.5

Radius: 10.1

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 4.55 AU - 6.23 AU

Year: 8345 Days

Day: 11.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,121,011 km

• M1: 251,624 km (0.091 R)
• M2: 924,066 km (0.09 R)
• M3: 1,255,725 km (0.117 R)
• M4: 3,683,698 km (0.088 R)
• M5: 10,498,928 km (0.081 R)
• M6: 10,875,017 km (0.093 R)
• M7: 12,366,059 km (0.078 R)
• M8: 12,945,452 km (0.073 R)
• M9: 14,851,478 km (0.039 R)
• M10: 16,555,996 km (0.095 R)
• M11: 16,937,621 km (0.105 R)
• M12: 19,003,567 km (0.112 R)
• M13: 19,562,914 km (0.111 R)
• M14: 20,787,971 km (0.107 R)
• M15: 23,549,697 km (0.083 R)
• M16: 26,633,956 km (0.055 R)
• M17: 27,422,935 km (0.098 R)
• M18: 32,389,136 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 229.6

Radius: 4

Gravity: 14.35 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 5.35 AU - 8.87 AU

Year: 12643 Days

Day: 21 Hours

Environment

Temp: -224 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 79,121,011 km

• M1: 50,863 km (0.025 R)
• M2: 175,777 km (0.09 R)
• M3: 492,626 km (0.107 R)
• M4: 1,007,841 km (0.112 R)
• M5: 1,472,492 km (0.113 R)
• M6: 1,730,997 km (0.113 R)
• M7: 2,808,550 km (0.041 R)
• M8: 3,361,763 km (0.061 R)
• M9: 3,736,356 km (0.052 R)
• M10: 6,070,532 km (0.097 R)
• M11: 7,062,216 km (0.111 R)
• M12: 7,364,404 km (0.112 R)
• M13: 7,518,639 km (0.047 R)
• M14: 10,337,811 km (0.087 R)
• M15: 10,677,997 km (0.11 R)
• M16: 11,639,014 km (0.053 R)
• M17: 11,954,216 km (0.111 R)
• M18: 16,915,929 km (0.113 R)
• M19: 18,147,867 km (0.113 R)
• M20: 19,146,433 km (0.088 R)
• M21: 20,865,612 km (0.107 R)
• M22: 23,011,892 km (0.103 R)
• M23: 24,436,214 km (0.071 R)
• M24: 27,551,589 km (0.034 R)
• M25: 28,204,883 km (0.109 R)
• M26: 28,582,768 km (0.115 R)
• M27: 29,155,877 km (0.11 R)
• M28: 29,932,140 km (0.045 R)
• M29: 30,325,284 km (0.078 R)
• M30: 34,663,921 km (0.075 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 540.9

Radius: 3.1

Gravity: 56.29 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 10.72 AU - 11 AU

Year: 23866 Days

Day: 19 Hours

Environment

Temp: -235 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 79,121,011 km

• M1: 38,746 km (0.117 R)
• M2: 162,014 km (0.116 R)
• M3: 835,504 km (0.085 R)
• M4: 1,412,503 km (0.043 R)
• M5: 2,152,564 km (0.087 R)
• M6: 3,285,917 km (0.105 R)
• M7: 3,636,724 km (0.118 R)
• M8: 3,821,178 km (0.118 R)
• M9: 4,446,797 km (0.066 R)
• M10: 4,875,544 km (0.05 R)
• M11: 5,814,271 km (0.087 R)
• M12: 6,548,048 km (0.092 R)
• M13: 7,736,155 km (0.05 R)
• M14: 8,460,508 km (0.108 R)
• M15: 9,514,425 km (0.075 R)
• M16: 10,163,081 km (0.095 R)
• M17: 11,416,711 km (0.104 R)
• M18: 12,769,973 km (0.109 R)
• M19: 12,981,804 km (0.108 R)
• M20: 13,631,208 km (0.098 R)
• M21: 16,612,993 km (0.114 R)
• M22: 19,161,094 km (0.115 R)
• M23: 21,160,619 km (0.025 R)
• M24: 22,159,933 km (0.118 R)
• M25: 30,425,215 km (0.101 R)
• M26: 30,550,877 km (0.114 R)
• M27: 34,616,947 km (0.102 R)
• M28: 35,304,948 km (0.049 R)
• M29: 35,582,602 km (0.119 R)
• M30: 36,001,775 km (0.043 R)
• M31: 37,135,876 km (0.034 R)
• M32: 41,755,608 km (0.091 R)
• M33: 42,534,863 km (0.1 R)
• M34: 42,691,941 km (0.05 R)
• M35: 51,756,226 km (0.095 R)
• M36: 52,655,159 km (0.052 R)
• M37: 59,632,853 km (0.062 R)
• M38: 60,224,213 km (0.115 R)
• M39: 61,218,441 km (0.056 R)
• M40: 62,831,854 km (0.037 R)
• M41: 73,336,915 km (0.07 R)
• M42: 76,308,079 km (0.062 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 493 - 16,012 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit