🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.9

Radius: 12.6

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.18 AU - 1.58 AU

Year: 1119 Days

Day: 10.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,959,061 km

• M1: 156,779 km (0.092 R)
• M2: 559,795 km (0.117 R)
• M3: 1,174,044 km (0.082 R)
• M4: 1,670,260 km (0.098 R)
• M5: 2,872,130 km (0.107 R)
• M6: 3,381,809 km (0.079 R)
• M7: 4,303,033 km (0.082 R)
• M8: 5,011,828 km (0.113 R)
• M9: 5,650,461 km (0.069 R)
• M10: 7,511,608 km (0.112 R)
• M11: 8,054,649 km (0.119 R)
• M12: 8,932,489 km (0.111 R)
• M13: 9,661,778 km (0.103 R)
• M14: 10,588,986 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.8

Radius: 11.6

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.82 AU - 2.82 AU

Year: 2439 Days

Day: 5.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,959,061 km

• M1: 144,362 km (0.068 R)
• M2: 561,740 km (0.09 R)
• M3: 1,093,411 km (0.077 R)
• M4: 1,617,751 km (0.062 R)
• M5: 1,986,510 km (0.043 R)
• M6: 2,562,612 km (0.054 R)
• M7: 3,918,118 km (0.091 R)
• M8: 5,802,303 km (0.104 R)
• M9: 7,442,045 km (0.109 R)
• M10: 7,858,376 km (0.069 R)
• M11: 8,512,119 km (0.092 R)
• M12: 9,999,570 km (0.08 R)
• M13: 11,070,392 km (0.119 R)
• M14: 11,972,766 km (0.053 R)
• M15: 13,482,957 km (0.084 R)
• M16: 15,592,586 km (0.099 R)
• M17: 16,029,861 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.6

Radius: 9.5

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 5.44 AU - 5.58 AU

Year: 8928 Days

Day: 7.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,959,061 km

• M1: 141,968 km (0.12 R)
• M2: 590,912 km (0.103 R)
• M3: 1,086,081 km (0.096 R)
• M4: 1,739,075 km (0.055 R)
• M5: 2,499,780 km (0.109 R)
• M6: 2,993,453 km (0.095 R)
• M7: 3,304,168 km (0.112 R)
• M8: 4,036,749 km (0.102 R)
• M9: 4,667,154 km (0.1 R)
• M10: 5,704,915 km (0.093 R)
• M11: 18,388,271 km (0.096 R)
• M12: 23,956,154 km (0.082 R)
• M13: 24,497,998 km (0.116 R)
• M14: 28,177,806 km (0.099 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 100.3

Radius: 6.7

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 5.75 AU - 7.25 AU

Year: 11439 Days

Day: 23.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,959,061 km

• M1: 92,003 km (0.08 R)
• M2: 368,759 km (0.05 R)
• M3: 872,754 km (0.065 R)
• M4: 1,109,867 km (0.032 R)
• M5: 1,982,022 km (0.095 R)
• M6: 2,764,868 km (0.06 R)
• M7: 3,324,513 km (0.117 R)
• M8: 6,617,462 km (0.114 R)
• M9: 10,756,536 km (0.083 R)
• M10: 14,241,568 km (0.058 R)
• M11: 14,832,928 km (0.112 R)
• M12: 18,729,803 km (0.072 R)
• M13: 23,703,483 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 317.9

Radius: 5.2

Gravity: 11.76 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 6.56 AU - 7.6 AU

Year: 13004 Days

Day: 22.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 39,959,061 km

• M1: 64,626 km (0.067 R)
• M2: 682,615 km (0.109 R)
• M3: 904,918 km (0.067 R)
• M4: 1,130,212 km (0.042 R)
• M5: 1,484,310 km (0.114 R)
• M6: 1,941,332 km (0.088 R)
• M7: 2,954,109 km (0.092 R)
• M8: 3,648,692 km (0.07 R)
• M9: 5,419,183 km (0.116 R)
• M10: 6,024,755 km (0.099 R)
• M11: 7,250,560 km (0.101 R)
• M12: 8,589,611 km (0.046 R)
• M13: 9,552,871 km (0.109 R)
• M14: 10,739,631 km (0.071 R)
• M15: 12,132,836 km (0.082 R)
• M16: 12,872,598 km (0.042 R)
• M17: 14,693,952 km (0.092 R)
• M18: 15,077,820 km (0.116 R)
• M19: 15,932,323 km (0.064 R)
• M20: 16,542,533 km (0.107 R)
• M21: 18,614,912 km (0.092 R)
• M22: 22,838,060 km (0.073 R)
• M23: 26,795,671 km (0.112 R)
• M24: 29,741,553 km (0.068 R)
• M25: 32,248,065 km (0.119 R)
• M26: 32,896,123 km (0.076 R)
• M27: 36,266,713 km (0.103 R)
• M28: 38,035,259 km (0.112 R)
• M29: 39,736,934 km (0.093 R)
• M30: 42,255,115 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 172

Radius: 7.6

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 7.01 AU - 7.83 AU

Year: 13951 Days

Day: 22.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,959,061 km

• M1: 95,743 km (0.05 R)
• M2: 356,941 km (0.109 R)
• M3: 675,883 km (0.117 R)
• M4: 939,175 km (0.042 R)
• M5: 1,305,690 km (0.109 R)
• M6: 2,227,064 km (0.063 R)
• M7: 2,468,963 km (0.117 R)
• M8: 2,904,742 km (0.086 R)
• M9: 4,130,846 km (0.114 R)
• M10: 6,360,453 km (0.082 R)
• M11: 8,897,782 km (0.083 R)
• M12: 10,824,004 km (0.094 R)
• M13: 11,421,797 km (0.107 R)
• M14: 24,554,546 km (0.11 R)
• M15: 31,475,841 km (0.061 R)
• M16: 36,748,717 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 168.3

Radius: 4.4

Gravity: 8.69 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 6.07 AU - 9.75 AU

Year: 15356 Days

Day: 15.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,959,061 km

• M1: 58,792 km (0.068 R)
• M2: 291,267 km (0.111 R)
• M3: 893,698 km (0.095 R)
• M4: 5,410,656 km (0.095 R)
• M5: 6,029,243 km (0.093 R)
• M6: 6,234,042 km (0.048 R)
• M7: 15,899,411 km (0.097 R)
• M8: 16,094,188 km (0.095 R)
• M9: 18,343,392 km (0.065 R)
• M10: 25,971,088 km (0.117 R)
• M11: 26,695,890 km (0.06 R)
• M12: 26,971,299 km (0.116 R)
• M13: 32,777,342 km (0.112 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 487 - 12,108 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit