🌌 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: 371.9

Radius: 12.1

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.54 AU - 0.72 AU

Year: 345 Days

Day: 7.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,444,083 km

• M1: 151,543 km (0.084 R)
• M2: 562,638 km (0.069 R)
• M3: 946,207 km (0.099 R)
• M4: 1,532,481 km (0.065 R)
• M5: 2,046,200 km (0.096 R)
• M6: 2,560,816 km (0.108 R)
• M7: 2,966,675 km (0.116 R)
• M8: 3,394,974 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.5

Radius: 11.3

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.58 AU - 0.8 AU

Year: 396 Days

Day: 14 Hours

Environment

Temp: -152 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 70,444,083 km

• M1: 140,622 km (0.097 R)
• M2: 502,649 km (0.089 R)
• M3: 966,851 km (0.119 R)
• M4: 1,609,972 km (0.076 R)
• M5: 2,521,921 km (0.099 R)
• M6: 2,938,252 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.7

Radius: 9.3

Gravity: 9.41 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.14 AU - 1.56 AU

Year: 1083 Days

Day: 12.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,444,083 km

• M1: 115,789 km (0.082 R)
• M2: 489,783 km (0.089 R)
• M3: 782,546 km (0.106 R)
• M4: 1,081,593 km (0.114 R)
• M5: 1,450,501 km (0.07 R)
• M6: 1,777,073 km (0.063 R)
• M7: 2,174,704 km (0.057 R)
• M8: 2,484,222 km (0.108 R)
• M9: 3,279,933 km (0.1 R)
• M10: 3,580,027 km (0.1 R)
• M11: 4,723,104 km (0.08 R)
• M12: 5,166,811 km (0.11 R)
• M13: 5,470,944 km (0.069 R)
• M14: 5,787,194 km (0.1 R)
• M15: 6,182,730 km (0.051 R)
• M16: 7,052,642 km (0.083 R)
• M17: 9,507,244 km (0.059 R)
• M18: 9,841,894 km (0.086 R)
• M19: 10,534,981 km (0.12 R)
• M20: 10,827,595 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.9

Radius: 12.7

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.22 AU - 1.62 AU

Year: 1168 Days

Day: 13.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,444,083 km

• M1: 157,975 km (0.103 R)
• M2: 577,149 km (0.083 R)
• M3: 976,724 km (0.104 R)
• M4: 1,487,152 km (0.06 R)
• M5: 2,109,480 km (0.106 R)
• M6: 2,900,852 km (0.064 R)
• M7: 3,653,330 km (0.05 R)
• M8: 4,854,750 km (0.067 R)
• M9: 5,378,492 km (0.093 R)
• M10: 6,281,016 km (0.1 R)
• M11: 6,928,775 km (0.062 R)
• M12: 8,443,154 km (0.12 R)
• M13: 8,846,769 km (0.067 R)
• M14: 10,135,854 km (0.047 R)
• M15: 10,825,650 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.4

Radius: 9.1

Gravity: 11.43 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.38 AU - 1.68 AU

Year: 1306 Days

Day: 8.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,444,083 km

• M1: 113,096 km (0.104 R)
• M2: 412,441 km (0.104 R)
• M3: 707,748 km (0.098 R)
• M4: 1,258,567 km (0.102 R)
• M5: 1,630,168 km (0.117 R)
• M6: 2,356,466 km (0.117 R)
• M7: 3,754,009 km (0.057 R)
• M8: 4,649,801 km (0.108 R)
• M9: 5,910,013 km (0.044 R)
• M10: 6,656,806 km (0.081 R)
• M11: 7,519,537 km (0.036 R)
• M12: 8,192,428 km (0.093 R)
• M13: 8,813,708 km (0.097 R)
• M14: 9,276,414 km (0.079 R)
• M15: 10,351,425 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.1

Radius: 14.4

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.85 AU - 3.57 AU

Year: 3970 Days

Day: 9.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,444,083 km

• M1: 179,218 km (0.077 R)
• M2: 1,041,052 km (0.08 R)
• M3: 2,341,356 km (0.104 R)
• M4: 2,934,063 km (0.064 R)
• M5: 4,261,744 km (0.071 R)
• M6: 5,048,330 km (0.111 R)
• M7: 5,643,879 km (0.052 R)
• M8: 7,510,711 km (0.112 R)
• M9: 8,000,195 km (0.111 R)
• M10: 9,679,132 km (0.079 R)
• M11: 11,399,956 km (0.093 R)
• M12: 14,998,832 km (0.064 R)
• M13: 21,514,268 km (0.055 R)
• M14: 26,056,359 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 895.7

Radius: 5

Gravity: 35.83 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 5.91 AU - 6.33 AU

Year: 10451 Days

Day: 18.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 70,444,083 km

• M1: 62,532 km (0.064 R)
• M2: 229,932 km (0.051 R)
• M3: 533,466 km (0.06 R)
• M4: 1,561,951 km (0.097 R)
• M5: 2,705,627 km (0.086 R)
• M6: 3,309,853 km (0.117 R)
• M7: 3,670,384 km (0.103 R)
• M8: 4,114,091 km (0.089 R)
• M9: 5,040,999 km (0.104 R)
• M10: 5,950,555 km (0.058 R)
• M11: 6,251,246 km (0.083 R)
• M12: 9,429,603 km (0.088 R)
• M13: 9,786,543 km (0.12 R)
• M14: 11,649,785 km (0.12 R)
• M15: 12,911,792 km (0.11 R)
• M16: 13,479,516 km (0.1 R)
• M17: 14,462,524 km (0.076 R)
• M18: 16,570,208 km (0.104 R)
• M19: 17,014,963 km (0.066 R)
• M20: 17,620,385 km (0.087 R)
• M21: 19,769,807 km (0.107 R)
• M22: 20,270,063 km (0.062 R)
• M23: 20,608,303 km (0.036 R)
• M24: 22,717,035 km (0.096 R)
• M25: 23,358,212 km (0.074 R)
• M26: 25,159,071 km (0.087 R)
• M27: 26,043,643 km (0.084 R)
• M28: 30,557,459 km (0.04 R)
• M29: 30,779,164 km (0.115 R)
• M30: 33,760,948 km (0.056 R)
• M31: 34,116,991 km (0.1 R)
• M32: 35,321,553 km (0.114 R)
• M33: 37,434,174 km (0.115 R)
• M34: 42,872,506 km (0.11 R)
• M35: 43,290,033 km (0.036 R)
• M36: 44,986,772 km (0.102 R)
• M37: 46,874,548 km (0.07 R)
• M38: 51,118,640 km (0.115 R)
• M39: 51,902,383 km (0.087 R)
• M40: 53,173,217 km (0.113 R)

Asteroid Belt

Center: 7.8 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 476.5

Radius: 3.4

Gravity: 41.22 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 7.55 AU - 11.39 AU

Year: 20116 Days

Day: 23.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,444,083 km

• M1: 51,761 km (0.073 R)
• M2: 220,058 km (0.031 R)
• M3: 865,274 km (0.025 R)
• M4: 1,527,095 km (0.099 R)
• M5: 3,093,834 km (0.032 R)
• M6: 3,580,625 km (0.093 R)
• M7: 6,123,789 km (0.061 R)
• M8: 9,662,526 km (0.117 R)
• M9: 12,700,261 km (0.101 R)
• M10: 13,238,813 km (0.088 R)
• M11: 16,318,285 km (0.075 R)
• M12: 17,115,941 km (0.105 R)
• M13: 17,855,852 km (0.075 R)
• M14: 20,112,536 km (0.07 R)
• M15: 20,843,471 km (0.109 R)
• M16: 23,341,008 km (0.09 R)
• M17: 23,742,080 km (0.096 R)
• M18: 26,030,777 km (0.111 R)
• M19: 32,015,740 km (0.106 R)
• M20: 35,456,790 km (0.077 R)
• M21: 37,198,259 km (0.09 R)
• M22: 44,734,401 km (0.066 R)
• M23: 56,219,478 km (0.117 R)
• M24: 59,322,886 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 412.8

Radius: 7.9

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 9.61 AU - 11.07 AU

Year: 22950 Days

Day: 18.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 70,444,083 km

• M1: 98,286 km (0.095 R)
• M2: 495,019 km (0.119 R)
• M3: 921,074 km (0.092 R)
• M4: 1,334,712 km (0.084 R)
• M5: 1,831,676 km (0.079 R)
• M6: 3,088,598 km (0.046 R)
• M7: 4,175,576 km (0.053 R)
• M8: 4,499,904 km (0.111 R)
• M9: 5,968,805 km (0.105 R)
• M10: 7,355,279 km (0.078 R)
• M11: 7,781,034 km (0.091 R)
• M12: 9,157,933 km (0.1 R)
• M13: 9,762,907 km (0.051 R)
• M14: 11,113,775 km (0.097 R)
• M15: 13,823,591 km (0.119 R)
• M16: 14,619,452 km (0.08 R)
• M17: 15,676,062 km (0.1 R)
• M18: 17,604,378 km (0.11 R)
• M19: 19,327,895 km (0.059 R)
• M20: 20,785,577 km (0.076 R)
• M21: 21,732,831 km (0.09 R)
• M22: 25,275,757 km (0.112 R)
• M23: 27,576,572 km (0.039 R)
• M24: 29,538,548 km (0.065 R)
• M25: 32,338,721 km (0.105 R)
• M26: 32,590,345 km (0.068 R)
• M27: 34,781,505 km (0.084 R)
• M28: 35,845,894 km (0.106 R)
• M29: 37,344,565 km (0.118 R)
• M30: 37,899,873 km (0.119 R)
• M31: 39,742,320 km (0.08 R)
• M32: 43,758,424 km (0.047 R)
• M33: 44,842,111 km (0.112 R)
• M34: 47,063,041 km (0.036 R)
• M35: 50,869,260 km (0.091 R)
• M36: 56,681,436 km (0.113 R)
• M37: 61,947,581 km (0.089 R)
• M38: 65,298,872 km (0.098 R)
• M39: 67,325,774 km (0.102 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: 329 - 10,841 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit