🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.02 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.8

Radius: 14.6

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.56 AU - 2.52 AU

Year: 2011 Days

Day: 7 Hours

Environment

Temp: -198 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,508,793 km

• M1: 181,612 km (0.11 R)
• M2: 696,677 km (0.037 R)
• M3: 1,250,040 km (0.106 R)
• M4: 1,884,784 km (0.107 R)
• M5: 2,679,747 km (0.074 R)
• M6: 3,657,967 km (0.105 R)
• M7: 4,483,747 km (0.11 R)
• M8: 6,179,738 km (0.066 R)
• M9: 6,798,026 km (0.097 R)
• M10: 7,405,394 km (0.068 R)
• M11: 7,993,613 km (0.063 R)
• M12: 9,023,893 km (0.105 R)
• M13: 10,335,717 km (0.09 R)
• M14: 11,914,573 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.5

Radius: 13

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.12 AU - 2.5 AU

Year: 2423 Days

Day: 10.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,508,793 km

• M1: 161,715 km (0.075 R)
• M2: 704,756 km (0.099 R)
• M3: 1,110,315 km (0.118 R)
• M4: 2,276,281 km (0.108 R)
• M5: 3,486,378 km (0.114 R)
• M6: 3,955,667 km (0.104 R)
• M7: 6,174,054 km (0.031 R)
• M8: 7,693,071 km (0.099 R)
• M9: 8,773,167 km (0.119 R)
• M10: 11,991,616 km (0.077 R)
• M11: 13,400,080 km (0.111 R)
• M12: 14,871,375 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.8

Radius: 12.6

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.04 AU - 2.92 AU

Year: 2696 Days

Day: 13.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,508,793 km

• M1: 159,023 km (0.112 R)
• M2: 732,581 km (0.107 R)
• M3: 1,248,245 km (0.093 R)
• M4: 1,925,923 km (0.058 R)
• M5: 2,457,444 km (0.11 R)
• M6: 3,284,421 km (0.075 R)
• M7: 4,490,629 km (0.109 R)
• M8: 6,324,998 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.8

Radius: 14.5

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.83 AU - 3.17 AU

Year: 3587 Days

Day: 14 Hours

Environment

Temp: -216 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,508,793 km

• M1: 180,265 km (0.09 R)
• M2: 682,465 km (0.088 R)
• M3: 1,720,675 km (0.116 R)
• M4: 3,005,122 km (0.089 R)
• M5: 4,237,958 km (0.062 R)
• M6: 4,768,432 km (0.104 R)
• M7: 5,610,668 km (0.035 R)
• M8: 7,262,378 km (0.094 R)
• M9: 7,931,679 km (0.11 R)
• M10: 9,678,234 km (0.061 R)
• M11: 11,226,871 km (0.07 R)
• M12: 12,978,962 km (0.072 R)
• M13: 14,337,909 km (0.067 R)
• M14: 15,246,267 km (0.113 R)
• M15: 16,397,123 km (0.103 R)
• M16: 17,020,049 km (0.084 R)
• M17: 18,479,675 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.5

Radius: 11.4

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.58 AU - 3.92 AU

Year: 5013 Days

Day: 10.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,508,793 km

• M1: 141,819 km (0.098 R)
• M2: 516,861 km (0.056 R)
• M3: 1,055,862 km (0.076 R)
• M4: 1,897,649 km (0.102 R)
• M5: 4,292,412 km (0.061 R)
• M6: 5,078,997 km (0.091 R)
• M7: 6,516,184 km (0.056 R)
• M8: 6,962,285 km (0.092 R)
• M9: 8,370,300 km (0.026 R)
• M10: 9,127,265 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.7

Radius: 11.5

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 4.17 AU - 4.63 AU

Year: 6371 Days

Day: 5.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,508,793 km

• M1: 156,928 km (0.083 R)
• M2: 1,145,471 km (0.063 R)
• M3: 1,519,166 km (0.074 R)
• M4: 2,523,566 km (0.118 R)
• M5: 2,999,437 km (0.104 R)
• M6: 3,449,727 km (0.062 R)
• M7: 4,288,073 km (0.074 R)
• M8: 4,651,147 km (0.074 R)
• M9: 5,100,988 km (0.083 R)
• M10: 8,627,908 km (0.111 R)
• M11: 9,012,973 km (0.118 R)
• M12: 13,956,584 km (0.112 R)
• M13: 15,924,993 km (0.027 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.3

Radius: 11.4

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.19 AU - 4.83 AU

Year: 6611 Days

Day: 9.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 56,508,793 km

• M1: 142,866 km (0.085 R)
• M2: 655,987 km (0.069 R)
• M3: 1,089,671 km (0.083 R)
• M4: 1,461,122 km (0.069 R)
• M5: 1,918,742 km (0.105 R)
• M6: 2,276,132 km (0.071 R)
• M7: 2,954,109 km (0.066 R)
• M8: 3,498,945 km (0.076 R)
• M9: 6,673,711 km (0.036 R)
• M10: 7,615,429 km (0.03 R)
• M11: 8,175,673 km (0.079 R)
• M12: 9,805,243 km (0.087 R)
• M13: 10,974,500 km (0.07 R)
• M14: 11,496,297 km (0.072 R)
• M15: 13,161,621 km (0.104 R)
• M16: 13,969,449 km (0.036 R)
• M17: 15,039,822 km (0.113 R)
• M18: 15,983,037 km (0.101 R)
• M19: 16,840,232 km (0.091 R)
• M20: 20,294,298 km (0.097 R)
• M21: 22,037,412 km (0.049 R)
• M22: 23,176,151 km (0.094 R)
• M23: 24,998,103 km (0.115 R)
• M24: 27,342,601 km (0.045 R)
• M25: 28,390,983 km (0.099 R)
• M26: 29,647,605 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 752.5

Radius: 7.7

Gravity: 12.69 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 6.36 AU - 7.22 AU

Year: 12213 Days

Day: 22.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 56,508,793 km

• M1: 96,042 km (0.06 R)
• M2: 501,302 km (0.119 R)
• M3: 895,343 km (0.078 R)
• M4: 1,360,892 km (0.086 R)
• M5: 1,649,616 km (0.086 R)
• M6: 2,160,193 km (0.037 R)
• M7: 2,907,135 km (0.119 R)
• M8: 3,787,968 km (0.098 R)
• M9: 4,456,969 km (0.12 R)
• M10: 5,000,159 km (0.087 R)
• M11: 6,692,111 km (0.087 R)
• M12: 7,147,337 km (0.075 R)
• M13: 9,028,231 km (0.117 R)
• M14: 9,949,754 km (0.102 R)
• M15: 10,543,060 km (0.101 R)
• M16: 11,102,556 km (0.028 R)
• M17: 13,026,833 km (0.1 R)
• M18: 14,134,605 km (0.095 R)
• M19: 15,303,862 km (0.07 R)
• M20: 18,148,765 km (0.104 R)
• M21: 18,789,493 km (0.109 R)
• M22: 19,528,506 km (0.086 R)
• M23: 19,779,082 km (0.117 R)
• M24: 20,201,397 km (0.045 R)
• M25: 23,234,793 km (0.108 R)
• M26: 28,227,622 km (0.053 R)
• M27: 29,744,096 km (0.08 R)
• M28: 36,607,048 km (0.078 R)
• M29: 38,147,756 km (0.105 R)
• M30: 40,539,228 km (0.029 R)
• M31: 43,028,836 km (0.12 R)
• M32: 43,453,394 km (0.111 R)
• M33: 51,582,393 km (0.044 R)
• M34: 54,833,304 km (0.12 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: 392 - 10,457 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit