🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456

Radius: 11.2

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.81 AU - 1.07 AU

Year: 608 Days

Day: 9.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 43,020,103 km

• M1: 140,772 km (0.046 R)
• M2: 693,386 km (0.12 R)
• M3: 1,262,905 km (0.114 R)
• M4: 2,704,430 km (0.069 R)
• M5: 3,540,982 km (0.055 R)
• M6: 5,133,152 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.2

Radius: 8.5

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.37 AU - 1.51 AU

Year: 1152 Days

Day: 14.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,020,103 km

• M1: 105,766 km (0.097 R)
• M2: 472,729 km (0.111 R)
• M3: 944,262 km (0.084 R)
• M4: 1,217,128 km (0.076 R)
• M5: 1,543,551 km (0.063 R)
• M6: 2,240,228 km (0.059 R)
• M7: 2,551,840 km (0.083 R)
• M8: 2,831,588 km (0.107 R)
• M9: 3,551,453 km (0.096 R)
• M10: 3,916,622 km (0.113 R)
• M11: 4,671,493 km (0.083 R)
• M12: 5,056,558 km (0.101 R)
• M13: 5,387,319 km (0.097 R)
• M14: 6,340,706 km (0.095 R)
• M15: 7,013,597 km (0.108 R)
• M16: 7,379,214 km (0.109 R)
• M17: 8,148,446 km (0.12 R)
• M18: 8,603,972 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984

Radius: 13.9

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.39 AU - 1.55 AU

Year: 1189 Days

Day: 8.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,020,103 km

• M1: 173,534 km (0.108 R)
• M2: 1,042,697 km (0.079 R)
• M3: 1,478,326 km (0.114 R)
• M4: 1,966,015 km (0.086 R)
• M5: 2,512,047 km (0.095 R)
• M6: 3,203,190 km (0.045 R)
• M7: 3,715,862 km (0.073 R)
• M8: 4,616,889 km (0.088 R)
• M9: 5,089,170 km (0.098 R)
• M10: 6,201,430 km (0.103 R)
• M11: 6,802,963 km (0.114 R)
• M12: 7,286,015 km (0.093 R)
• M13: 7,984,338 km (0.064 R)
• M14: 8,580,635 km (0.05 R)
• M15: 10,218,731 km (0.087 R)
• M16: 11,766,172 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.5

Radius: 11.4

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.61 AU - 2.07 AU

Year: 1664 Days

Day: 9.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 43,020,103 km

• M1: 143,464 km (0.105 R)
• M2: 2,511,898 km (0.061 R)
• M3: 4,298,396 km (0.086 R)
• M4: 5,324,787 km (0.113 R)
• M5: 6,658,601 km (0.05 R)
• M6: 7,906,397 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.2

Radius: 13.5

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.07 AU - 2.21 AU

Year: 2088 Days

Day: 14.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,020,103 km

• M1: 168,148 km (0.053 R)
• M2: 626,516 km (0.061 R)
• M3: 1,077,853 km (0.089 R)
• M4: 1,695,393 km (0.075 R)
• M5: 2,667,629 km (0.088 R)
• M6: 3,206,930 km (0.09 R)
• M7: 3,873,238 km (0.067 R)
• M8: 4,527,879 km (0.04 R)
• M9: 4,990,136 km (0.11 R)
• M10: 5,530,484 km (0.072 R)
• M11: 8,216,364 km (0.113 R)
• M12: 8,779,151 km (0.117 R)
• M13: 9,637,394 km (0.074 R)
• M14: 10,263,910 km (0.071 R)
• M15: 11,028,953 km (0.105 R)
• M16: 11,598,473 km (0.056 R)
• M17: 12,591,354 km (0.059 R)
• M18: 13,383,325 km (0.074 R)
• M19: 13,813,269 km (0.109 R)
• M20: 16,345,662 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.2

Radius: 9.8

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.94 AU - 3.94 AU

Year: 4255 Days

Day: 5.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,020,103 km

• M1: 121,922 km (0.085 R)
• M2: 605,722 km (0.103 R)
• M3: 1,056,759 km (0.077 R)
• M4: 1,475,933 km (0.088 R)
• M5: 2,148,824 km (0.109 R)
• M6: 2,609,436 km (0.104 R)
• M7: 3,065,560 km (0.059 R)
• M8: 4,878,835 km (0.091 R)
• M9: 5,218,572 km (0.092 R)
• M10: 6,082,350 km (0.11 R)
• M11: 7,892,933 km (0.108 R)
• M12: 9,921,929 km (0.089 R)
• M13: 13,465,304 km (0.104 R)
• M14: 13,798,010 km (0.108 R)
• M15: 16,607,308 km (0.083 R)
• M16: 19,113,073 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.5

Radius: 8.4

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.1 AU - 4.86 AU

Year: 5295 Days

Day: 7.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 43,020,103 km

• M1: 105,167 km (0.039 R)
• M2: 407,953 km (0.065 R)
• M3: 690,843 km (0.117 R)
• M4: 1,166,564 km (0.066 R)
• M5: 1,434,344 km (0.111 R)
• M6: 2,069,088 km (0.088 R)
• M7: 2,633,222 km (0.044 R)
• M8: 3,026,215 km (0.105 R)
• M9: 3,863,365 km (0.115 R)
• M10: 4,445,002 km (0.052 R)
• M11: 4,744,197 km (0.059 R)
• M12: 5,467,054 km (0.07 R)
• M13: 7,968,630 km (0.066 R)
• M14: 8,299,391 km (0.034 R)
• M15: 8,949,094 km (0.081 R)
• M16: 11,284,616 km (0.079 R)
• M17: 11,561,821 km (0.085 R)
• M18: 11,890,936 km (0.08 R)
• M19: 12,226,185 km (0.049 R)
• M20: 15,763,427 km (0.078 R)
• M21: 16,344,166 km (0.105 R)
• M22: 22,156,043 km (0.119 R)
• M23: 23,254,839 km (0.093 R)
• M24: 25,879,085 km (0.047 R)
• M25: 26,524,002 km (0.095 R)
• M26: 27,262,417 km (0.089 R)
• M27: 27,846,148 km (0.051 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.4

Radius: 12.9

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.84 AU - 4.54 AU

Year: 5719 Days

Day: 6.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 43,020,103 km

• M1: 166,652 km (0.101 R)
• M2: 600,187 km (0.071 R)
• M3: 1,244,355 km (0.102 R)
• M4: 2,616,467 km (0.12 R)
• M5: 3,764,481 km (0.114 R)
• M6: 5,142,876 km (0.112 R)
• M7: 5,903,132 km (0.118 R)
• M8: 6,388,278 km (0.103 R)
• M9: 6,834,379 km (0.07 R)
• M10: 7,542,874 km (0.108 R)
• M11: 8,115,086 km (0.118 R)
• M12: 8,563,132 km (0.1 R)
• M13: 10,966,870 km (0.111 R)
• M14: 11,938,957 km (0.089 R)
• M15: 12,519,696 km (0.103 R)
• M16: 13,842,889 km (0.11 R)
• M17: 14,484,066 km (0.081 R)
• M18: 16,765,882 km (0.039 R)
• M19: 17,494,723 km (0.119 R)
• M20: 17,992,286 km (0.028 R)
• M21: 18,627,628 km (0.1 R)
• M22: 21,887,664 km (0.072 R)
• M23: 22,979,879 km (0.051 R)
• M24: 23,426,727 km (0.112 R)
• M25: 24,338,078 km (0.12 R)
• M26: 26,393,552 km (0.102 R)
• M27: 27,297,123 km (0.116 R)
• M28: 28,051,695 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 848.7

Radius: 6.1

Gravity: 22.81 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 5.63 AU - 6.79 AU

Year: 10320 Days

Day: 16.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 43,020,103 km

• M1: 77,193 km (0.078 R)
• M2: 387,159 km (0.105 R)
• M3: 739,911 km (0.104 R)
• M4: 1,063,940 km (0.084 R)
• M5: 1,844,991 km (0.09 R)
• M6: 2,231,551 km (0.066 R)
• M7: 3,118,667 km (0.058 R)
• M8: 3,360,716 km (0.115 R)
• M9: 4,163,010 km (0.092 R)
• M10: 5,491,588 km (0.097 R)
• M11: 6,677,451 km (0.11 R)
• M12: 6,917,555 km (0.102 R)
• M13: 7,457,454 km (0.101 R)
• M14: 7,759,642 km (0.049 R)
• M15: 8,621,026 km (0.1 R)
• M16: 9,494,229 km (0.05 R)
• M17: 9,900,686 km (0.108 R)
• M18: 14,693,503 km (0.08 R)
• M19: 16,365,259 km (0.061 R)
• M20: 16,802,234 km (0.065 R)
• M21: 19,916,413 km (0.119 R)
• M22: 25,763,147 km (0.118 R)
• M23: 25,959,120 km (0.068 R)
• M24: 28,286,414 km (0.113 R)
• M25: 29,021,389 km (0.12 R)
• M26: 31,080,304 km (0.069 R)
• M27: 31,414,206 km (0.053 R)
• M28: 33,583,824 km (0.072 R)
• M29: 34,645,670 km (0.1 R)
• M30: 35,245,109 km (0.059 R)
• M31: 38,346,572 km (0.094 R)
• M32: 38,602,235 km (0.077 R)
• M33: 42,030,719 km (0.058 R)
• M34: 45,370,790 km (0.092 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 124.7

Radius: 7.7

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 8.25 AU - 11.01 AU

Year: 19928 Days

Day: 16 Hours

Environment

Temp: -237 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,020,103 km

• M1: 100,829 km (0.114 R)
• M2: 1,301,651 km (0.106 R)
• M3: 1,709,455 km (0.062 R)
• M4: 3,461,096 km (0.094 R)
• M5: 4,813,311 km (0.107 R)
• M6: 7,394,174 km (0.07 R)
• M7: 11,034,638 km (0.111 R)
• M8: 11,667,587 km (0.076 R)
• M9: 22,073,016 km (0.093 R)
• M10: 33,411,488 km (0.108 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 19,183 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit