🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183

Radius: 10.2

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.75 AU - 0.87 AU

Year: 471 Days

Day: 14.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,164,308 km

• M1: 126,859 km (0.072 R)
• M2: 472,580 km (0.12 R)
• M3: 800,349 km (0.114 R)
• M4: 1,148,612 km (0.08 R)
• M5: 1,593,816 km (0.116 R)
• M6: 2,048,593 km (0.054 R)
• M7: 2,512,047 km (0.071 R)
• M8: 2,856,123 km (0.108 R)
• M9: 3,191,671 km (0.11 R)
• M10: 3,586,011 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.7

Radius: 8.5

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.78 AU - 0.86 AU

Year: 479 Days

Day: 7.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,164,308 km

• M1: 105,766 km (0.097 R)
• M2: 381,624 km (0.11 R)
• M3: 649,554 km (0.101 R)
• M4: 1,606,681 km (0.088 R)
• M5: 2,010,296 km (0.094 R)
• M6: 2,567,249 km (0.068 R)
• M7: 3,012,752 km (0.074 R)
• M8: 3,951,179 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.1

Radius: 13.9

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.79 AU - 1.23 AU

Year: 655 Days

Day: 11.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,164,308 km

• M1: 172,935 km (0.045 R)
• M2: 618,587 km (0.071 R)
• M3: 1,152,801 km (0.107 R)
• M4: 1,609,673 km (0.11 R)
• M5: 2,445,626 km (0.117 R)
• M6: 3,182,545 km (0.069 R)
• M7: 3,653,330 km (0.101 R)
• M8: 4,978,318 km (0.092 R)
• M9: 5,466,306 km (0.106 R)
• M10: 7,037,084 km (0.062 R)
• M11: 8,281,589 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.8

Radius: 10.2

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.18 AU - 1.52 AU

Year: 1013 Days

Day: 8 Hours

Environment

Temp: -171 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,164,308 km

• M1: 127,009 km (0.105 R)
• M2: 614,847 km (0.097 R)
• M3: 977,323 km (0.104 R)
• M4: 2,196,695 km (0.077 R)
• M5: 2,877,814 km (0.037 R)
• M6: 3,616,828 km (0.106 R)
• M7: 4,081,180 km (0.083 R)
• M8: 5,510,138 km (0.088 R)
• M9: 6,192,903 km (0.107 R)
• M10: 7,346,751 km (0.025 R)
• M11: 7,961,599 km (0.111 R)
• M12: 8,335,893 km (0.115 R)
• M13: 9,091,063 km (0.088 R)
• M14: 10,106,084 km (0.084 R)
• M15: 11,095,824 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.6

Radius: 8.7

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.42 AU - 1.92 AU

Year: 1393 Days

Day: 14.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,164,308 km

• M1: 108,159 km (0.075 R)
• M2: 380,876 km (0.114 R)
• M3: 815,308 km (0.085 R)
• M4: 1,179,579 km (0.088 R)
• M5: 2,245,165 km (0.108 R)
• M6: 2,585,799 km (0.076 R)
• M7: 3,056,584 km (0.079 R)
• M8: 3,967,485 km (0.093 R)
• M9: 4,687,200 km (0.095 R)
• M10: 6,046,896 km (0.085 R)
• M11: 6,361,350 km (0.115 R)
• M12: 6,974,552 km (0.118 R)
• M13: 7,245,474 km (0.064 R)
• M14: 7,600,619 km (0.108 R)
• M15: 7,967,283 km (0.091 R)
• M16: 9,404,021 km (0.064 R)
• M17: 10,012,137 km (0.058 R)
• M18: 10,485,165 km (0.033 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.1

Radius: 12.5

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.86 AU - 1.9 AU

Year: 1664 Days

Day: 11 Hours

Environment

Temp: -180 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,164,308 km

• M1: 155,731 km (0.098 R)
• M2: 607,816 km (0.112 R)
• M3: 1,043,595 km (0.032 R)
• M4: 1,456,784 km (0.101 R)
• M5: 1,951,654 km (0.118 R)
• M6: 2,582,658 km (0.091 R)
• M7: 3,159,806 km (0.078 R)
• M8: 3,935,471 km (0.107 R)
• M9: 5,006,442 km (0.032 R)
• M10: 5,822,499 km (0.096 R)
• M11: 7,385,796 km (0.088 R)
• M12: 9,599,845 km (0.119 R)
• M13: 10,728,262 km (0.045 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979

Radius: 12.2

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.53 AU - 4.07 AU

Year: 3871 Days

Day: 7.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,164,308 km

• M1: 151,692 km (0.09 R)
• M2: 688,599 km (0.097 R)
• M3: 1,438,683 km (0.108 R)
• M4: 2,175,751 km (0.091 R)
• M5: 2,565,005 km (0.108 R)
• M6: 3,286,665 km (0.095 R)
• M7: 4,232,273 km (0.079 R)
• M8: 4,743,898 km (0.075 R)
• M9: 5,187,905 km (0.116 R)
• M10: 6,313,030 km (0.111 R)
• M11: 7,318,178 km (0.059 R)
• M12: 7,699,503 km (0.063 R)
• M13: 9,002,501 km (0.119 R)
• M14: 9,440,972 km (0.077 R)
• M15: 13,174,037 km (0.079 R)
• M16: 14,162,131 km (0.07 R)
• M17: 15,879,216 km (0.111 R)
• M18: 22,947,865 km (0.074 R)
• M19: 23,768,110 km (0.111 R)
• M20: 24,840,278 km (0.112 R)
• M21: 26,265,796 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.7

Radius: 14.9

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.24 AU - 5.28 AU

Year: 5677 Days

Day: 12.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,164,308 km

• M1: 185,501 km (0.067 R)
• M2: 691,292 km (0.091 R)
• M3: 1,280,707 km (0.091 R)
• M4: 1,906,475 km (0.12 R)
• M5: 2,461,334 km (0.103 R)
• M6: 4,208,936 km (0.096 R)
• M7: 5,275,270 km (0.103 R)
• M8: 9,069,820 km (0.048 R)
• M9: 18,790,989 km (0.113 R)
• M10: 20,295,046 km (0.103 R)
• M11: 21,004,738 km (0.091 R)
• M12: 22,473,939 km (0.103 R)
• M13: 25,534,262 km (0.085 R)
• M14: 28,596,830 km (0.115 R)
• M15: 29,579,538 km (0.098 R)
• M16: 31,612,424 km (0.116 R)

Asteroid Belt

Center: 4.83 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.9

Radius: 9.1

Gravity: 10.54 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 4.7 AU - 6.1 AU

Year: 8102 Days

Day: 12.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 95.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,164,308 km

• M1: 113,246 km (0.072 R)
• M2: 599,439 km (0.092 R)
• M3: 999,912 km (0.081 R)
• M4: 1,507,947 km (0.115 R)
• M5: 2,744,672 km (0.098 R)
• M6: 4,191,134 km (0.078 R)
• M7: 4,790,573 km (0.085 R)
• M8: 5,284,694 km (0.118 R)
• M9: 6,124,537 km (0.118 R)
• M10: 7,286,164 km (0.051 R)
• M11: 9,365,724 km (0.098 R)
• M12: 10,389,273 km (0.113 R)
• M13: 11,217,896 km (0.091 R)
• M14: 12,428,292 km (0.098 R)
• M15: 14,657,001 km (0.108 R)
• M16: 18,368,973 km (0.11 R)
• M17: 18,816,570 km (0.064 R)
• M18: 19,967,725 km (0.115 R)
• M19: 26,624,831 km (0.073 R)
• M20: 28,074,135 km (0.119 R)
• M21: 28,370,189 km (0.109 R)
• M22: 34,738,421 km (0.081 R)
• M23: 37,412,632 km (0.118 R)
• M24: 38,374,098 km (0.108 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: 375 - 19,832 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit