🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.1

Radius: 12.7

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.51 AU - 0.79 AU

Year: 349 Days

Day: 10.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,333,270 km

• M1: 159,023 km (0.076 R)
• M2: 691,142 km (0.114 R)
• M3: 1,349,522 km (0.095 R)
• M4: 1,835,566 km (0.119 R)
• M5: 2,350,781 km (0.113 R)
• M6: 2,763,222 km (0.041 R)
• M7: 3,514,204 km (0.096 R)
• M8: 4,186,048 km (0.101 R)
• M9: 4,855,498 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.5

Radius: 8

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.91 AU - 1.01 AU

Year: 627 Days

Day: 6.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,333,270 km

• M1: 100,679 km (0.097 R)
• M2: 661,971 km (0.085 R)
• M3: 1,025,045 km (0.12 R)
• M4: 1,391,410 km (0.08 R)
• M5: 1,877,752 km (0.118 R)
• M6: 2,130,722 km (0.034 R)
• M7: 2,390,275 km (0.062 R)
• M8: 2,964,132 km (0.106 R)
• M9: 3,444,641 km (0.108 R)
• M10: 3,895,229 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.1

Radius: 11.5

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1 AU - 1.2 AU

Year: 769 Days

Day: 10.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,333,270 km

• M1: 143,764 km (0.103 R)
• M2: 544,536 km (0.059 R)
• M3: 1,408,015 km (0.094 R)
• M4: 1,948,811 km (0.107 R)
• M5: 2,602,255 km (0.08 R)
• M6: 3,076,630 km (0.103 R)
• M7: 4,216,865 km (0.117 R)
• M8: 7,645,050 km (0.057 R)
• M9: 8,238,355 km (0.1 R)
• M10: 8,624,616 km (0.067 R)
• M11: 9,049,923 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.3

Radius: 14.2

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.72 AU - 3.76 AU

Year: 3889 Days

Day: 11 Hours

Environment

Temp: -205 °C

Axial Tilt: 176.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,333,270 km

• M1: 176,675 km (0.108 R)
• M2: 708,944 km (0.082 R)
• M3: 1,669,363 km (0.113 R)
• M4: 2,302,012 km (0.116 R)
• M5: 2,782,371 km (0.041 R)
• M6: 3,311,498 km (0.097 R)
• M7: 3,845,114 km (0.084 R)
• M8: 4,575,301 km (0.046 R)
• M9: 7,268,661 km (0.051 R)
• M10: 7,797,939 km (0.099 R)
• M11: 8,317,342 km (0.105 R)
• M12: 8,822,983 km (0.082 R)
• M13: 10,016,325 km (0.075 R)
• M14: 10,631,023 km (0.048 R)
• M15: 11,622,707 km (0.068 R)
• M16: 13,007,684 km (0.098 R)
• M17: 18,789,343 km (0.114 R)
• M18: 19,599,415 km (0.06 R)
• M19: 21,490,333 km (0.117 R)
• M20: 22,933,802 km (0.093 R)
• M21: 23,428,971 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758

Radius: 11.5

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 3.85 AU - 4.39 AU

Year: 5577 Days

Day: 13.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 45,333,270 km

• M1: 143,165 km (0.111 R)
• M2: 909,106 km (0.04 R)
• M3: 1,345,034 km (0.082 R)
• M4: 1,729,651 km (0.062 R)
• M5: 3,070,646 km (0.075 R)
• M6: 3,527,667 km (0.098 R)
• M7: 3,982,445 km (0.119 R)
• M8: 4,399,524 km (0.044 R)
• M9: 4,982,955 km (0.071 R)
• M10: 5,768,643 km (0.044 R)
• M11: 6,501,673 km (0.095 R)
• M12: 6,873,573 km (0.079 R)
• M13: 7,885,154 km (0.071 R)
• M14: 9,413,446 km (0.115 R)
• M15: 9,979,076 km (0.089 R)
• M16: 11,912,927 km (0.115 R)
• M17: 13,532,324 km (0.118 R)
• M18: 15,893,577 km (0.103 R)
• M19: 17,852,411 km (0.043 R)
• M20: 19,896,517 km (0.089 R)
• M21: 20,974,968 km (0.118 R)
• M22: 25,430,890 km (0.058 R)
• M23: 28,012,351 km (0.109 R)
• M24: 30,763,755 km (0.118 R)
• M25: 31,816,176 km (0.063 R)
• M26: 32,400,356 km (0.094 R)
• M27: 33,190,232 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.8

Radius: 11.8

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.42 AU - 4.76 AU

Year: 6558 Days

Day: 10.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 45,333,270 km

• M1: 149,149 km (0.119 R)
• M2: 535,261 km (0.078 R)
• M3: 1,012,778 km (0.065 R)
• M4: 2,471,058 km (0.072 R)
• M5: 3,089,944 km (0.103 R)
• M6: 4,350,306 km (0.096 R)
• M7: 5,256,121 km (0.111 R)
• M8: 5,832,223 km (0.1 R)
• M9: 6,619,855 km (0.056 R)
• M10: 7,366,199 km (0.098 R)
• M11: 9,153,744 km (0.113 R)
• M12: 9,543,447 km (0.039 R)
• M13: 10,402,587 km (0.046 R)
• M14: 11,068,148 km (0.11 R)
• M15: 11,761,983 km (0.119 R)
• M16: 12,327,164 km (0.075 R)
• M17: 13,679,379 km (0.047 R)
• M18: 15,008,556 km (0.094 R)
• M19: 17,128,807 km (0.094 R)
• M20: 19,583,708 km (0.097 R)
• M21: 21,194,578 km (0.051 R)
• M22: 21,955,283 km (0.026 R)
• M23: 23,130,224 km (0.051 R)
• M24: 25,096,988 km (0.085 R)
• M25: 28,802,826 km (0.088 R)
• M26: 30,786,045 km (0.03 R)
• M27: 32,157,857 km (0.083 R)
• M28: 33,365,561 km (0.065 R)
• M29: 34,499,214 km (0.101 R)
• M30: 34,917,639 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 324.2

Radius: 6

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 6.7 AU - 8.06 AU

Year: 13369 Days

Day: 21.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 45,333,270 km

• M1: 75,098 km (0.077 R)
• M2: 281,693 km (0.092 R)
• M3: 625,319 km (0.089 R)
• M4: 842,834 km (0.116 R)
• M5: 1,730,847 km (0.089 R)
• M6: 2,993,005 km (0.068 R)
• M7: 3,380,014 km (0.118 R)
• M8: 4,009,373 km (0.088 R)
• M9: 4,537,603 km (0.098 R)
• M10: 5,079,895 km (0.07 R)
• M11: 6,623,745 km (0.113 R)
• M12: 6,889,132 km (0.106 R)
• M13: 7,853,589 km (0.107 R)
• M14: 8,151,139 km (0.106 R)
• M15: 8,368,355 km (0.062 R)
• M16: 8,905,112 km (0.109 R)
• M17: 10,448,813 km (0.052 R)
• M18: 13,444,361 km (0.048 R)
• M19: 13,809,080 km (0.097 R)
• M20: 14,942,434 km (0.087 R)
• M21: 16,000,988 km (0.103 R)
• M22: 16,410,438 km (0.116 R)
• M23: 16,687,343 km (0.104 R)
• M24: 20,817,292 km (0.03 R)
• M25: 23,684,185 km (0.089 R)
• M26: 24,037,984 km (0.068 R)
• M27: 30,290,577 km (0.107 R)
• M28: 36,832,193 km (0.119 R)
• M29: 37,665,752 km (0.044 R)
• M30: 38,633,650 km (0.091 R)
• M31: 42,411,445 km (0.116 R)
• M32: 43,326,984 km (0.118 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 227 - 13,832 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit