🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.8

Radius: 9.4

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.47 AU - 0.73 AU

Year: 315 Days

Day: 11.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,384,522 km

• M1: 117,285 km (0.11 R)
• M2: 417,079 km (0.105 R)
• M3: 839,693 km (0.08 R)
• M4: 1,156,392 km (0.077 R)
• M5: 1,524,103 km (0.072 R)
• M6: 1,906,026 km (0.045 R)
• M7: 2,621,403 km (0.091 R)
• M8: 2,978,793 km (0.056 R)
• M9: 3,410,383 km (0.096 R)
• M10: 3,826,115 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.5

Radius: 13.7

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.57 AU - 0.63 AU

Year: 315 Days

Day: 10.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,384,522 km

• M1: 170,392 km (0.061 R)
• M2: 673,938 km (0.071 R)
• M3: 1,270,535 km (0.118 R)
• M4: 2,080,158 km (0.118 R)
• M5: 2,680,794 km (0.118 R)
• M6: 3,173,420 km (0.067 R)
• M7: 3,963,446 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.9

Radius: 10.9

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.95 AU - 1.13 AU

Year: 719 Days

Day: 12.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,384,522 km

• M1: 135,835 km (0.104 R)
• M2: 518,207 km (0.088 R)
• M3: 1,083,986 km (0.044 R)
• M4: 1,862,194 km (0.096 R)
• M5: 2,577,123 km (0.092 R)
• M6: 3,635,079 km (0.052 R)
• M7: 4,335,047 km (0.092 R)
• M8: 4,786,533 km (0.072 R)
• M9: 5,570,277 km (0.104 R)
• M10: 6,063,950 km (0.11 R)
• M11: 6,416,253 km (0.054 R)
• M12: 7,322,816 km (0.111 R)
• M13: 8,541,290 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.7

Radius: 11.4

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.14 AU - 1.8 AU

Year: 1209 Days

Day: 7.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,384,522 km

• M1: 141,819 km (0.049 R)
• M2: 512,223 km (0.041 R)
• M3: 1,120,937 km (0.106 R)
• M4: 1,486,704 km (0.071 R)
• M5: 2,070,135 km (0.117 R)
• M6: 2,775,190 km (0.101 R)
• M7: 3,206,331 km (0.057 R)
• M8: 3,570,752 km (0.103 R)
• M9: 4,475,220 km (0.035 R)
• M10: 4,854,152 km (0.116 R)
• M11: 5,274,971 km (0.117 R)
• M12: 5,633,407 km (0.099 R)
• M13: 8,940,866 km (0.116 R)
• M14: 9,330,270 km (0.111 R)
• M15: 9,983,414 km (0.06 R)
• M16: 10,600,356 km (0.112 R)
• M17: 11,381,107 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.7

Radius: 13.7

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.71 AU - 2.01 AU

Year: 1721 Days

Day: 6.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,384,522 km

• M1: 173,384 km (0.086 R)
• M2: 619,934 km (0.062 R)
• M3: 1,518,119 km (0.061 R)
• M4: 2,151,217 km (0.064 R)
• M5: 2,589,090 km (0.116 R)
• M6: 3,043,269 km (0.093 R)
• M7: 3,749,371 km (0.119 R)
• M8: 6,082,350 km (0.067 R)
• M9: 6,615,816 km (0.112 R)
• M10: 7,101,561 km (0.086 R)
• M11: 7,529,111 km (0.113 R)
• M12: 8,764,490 km (0.089 R)
• M13: 9,638,740 km (0.097 R)
• M14: 10,467,961 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.3

Radius: 14.8

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.25 AU - 2.81 AU

Year: 2729 Days

Day: 11.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,384,522 km

• M1: 184,155 km (0.078 R)
• M2: 698,024 km (0.092 R)
• M3: 1,179,579 km (0.055 R)
• M4: 1,680,882 km (0.074 R)
• M5: 2,193,404 km (0.101 R)
• M6: 2,672,716 km (0.118 R)
• M7: 3,274,847 km (0.101 R)
• M8: 4,027,175 km (0.058 R)
• M9: 4,778,156 km (0.061 R)
• M10: 5,370,414 km (0.108 R)
• M11: 6,282,213 km (0.07 R)
• M12: 7,761,437 km (0.109 R)
• M13: 8,347,412 km (0.102 R)
• M14: 10,055,819 km (0.104 R)
• M15: 14,299,911 km (0.026 R)
• M16: 17,112,052 km (0.085 R)
• M17: 20,703,747 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.2

Radius: 9.8

Gravity: 9.37 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.73 AU - 3.85 AU

Year: 4047 Days

Day: 6.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,384,522 km

• M1: 126,111 km (0.072 R)
• M2: 1,007,542 km (0.093 R)
• M3: 1,390,961 km (0.086 R)
• M4: 1,911,711 km (0.107 R)
• M5: 2,364,694 km (0.093 R)
• M6: 2,763,521 km (0.115 R)
• M7: 3,129,887 km (0.096 R)
• M8: 4,332,654 km (0.096 R)
• M9: 4,803,737 km (0.081 R)
• M10: 7,274,795 km (0.074 R)
• M11: 11,023,119 km (0.112 R)
• M12: 13,334,855 km (0.089 R)
• M13: 18,253,633 km (0.09 R)
• M14: 18,764,959 km (0.116 R)
• M15: 21,749,885 km (0.097 R)
• M16: 23,131,421 km (0.064 R)
• M17: 26,963,520 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.6

Radius: 10.7

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.54 AU - 5.92 AU

Year: 8112 Days

Day: 8.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,384,522 km

• M1: 133,142 km (0.095 R)
• M2: 522,695 km (0.106 R)
• M3: 1,023,848 km (0.103 R)
• M4: 1,565,392 km (0.097 R)
• M5: 2,021,666 km (0.064 R)
• M6: 3,183,592 km (0.102 R)
• M7: 3,796,794 km (0.067 R)
• M8: 4,431,089 km (0.072 R)
• M9: 5,513,579 km (0.113 R)
• M10: 7,778,790 km (0.107 R)
• M11: 8,847,068 km (0.094 R)
• M12: 9,439,925 km (0.075 R)
• M13: 13,510,333 km (0.109 R)
• M14: 14,051,728 km (0.044 R)
• M15: 15,829,250 km (0.053 R)
• M16: 18,918,147 km (0.1 R)
• M17: 22,722,869 km (0.118 R)
• M18: 26,633,208 km (0.058 R)
• M19: 27,580,761 km (0.12 R)
• M20: 28,354,780 km (0.117 R)
• M21: 28,747,176 km (0.047 R)
• M22: 29,242,793 km (0.093 R)
• M23: 31,806,901 km (0.036 R)
• M24: 32,337,076 km (0.06 R)
• M25: 36,677,508 km (0.078 R)
• M26: 37,849,907 km (0.059 R)
• M27: 43,177,536 km (0.077 R)

Asteroid Belt

Center: 6.25 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 852.6

Radius: 3.8

Gravity: 59.04 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 6.8 AU - 7.74 AU

Year: 13295 Days

Day: 23.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,384,522 km

• M1: 89,759 km (0.089 R)
• M2: 410,497 km (0.093 R)
• M3: 692,638 km (0.112 R)
• M4: 1,206,507 km (0.036 R)
• M5: 1,474,137 km (0.117 R)
• M6: 1,921,136 km (0.106 R)
• M7: 2,741,082 km (0.052 R)
• M8: 3,101,463 km (0.052 R)
• M9: 3,280,083 km (0.072 R)
• M10: 5,686,065 km (0.082 R)
• M11: 6,032,085 km (0.072 R)
• M12: 6,936,554 km (0.067 R)
• M13: 7,511,608 km (0.07 R)
• M14: 8,359,379 km (0.12 R)
• M15: 8,556,101 km (0.1 R)
• M16: 11,705,734 km (0.104 R)
• M17: 15,182,987 km (0.118 R)
• M18: 15,623,852 km (0.091 R)
• M19: 21,782,796 km (0.111 R)
• M20: 24,984,789 km (0.114 R)
• M21: 31,822,609 km (0.08 R)
• M22: 32,422,945 km (0.109 R)
• M23: 41,068,505 km (0.104 R)
• M24: 45,007,417 km (0.101 R)
• M25: 48,082,401 km (0.062 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 689

Radius: 4.5

Gravity: 34.02 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 7.17 AU - 7.95 AU

Year: 14099 Days

Day: 18.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 60,384,522 km

• M1: 63,429 km (0.102 R)
• M2: 259,552 km (0.036 R)
• M3: 545,883 km (0.113 R)
• M4: 1,021,454 km (0.104 R)
• M5: 1,408,913 km (0.107 R)
• M6: 1,835,865 km (0.088 R)
• M7: 2,642,497 km (0.059 R)
• M8: 3,186,734 km (0.089 R)
• M9: 4,123,217 km (0.067 R)
• M10: 4,621,976 km (0.099 R)
• M11: 4,886,016 km (0.107 R)
• M12: 5,230,091 km (0.053 R)
• M13: 6,200,233 km (0.081 R)
• M14: 7,153,621 km (0.104 R)
• M15: 8,636,883 km (0.12 R)
• M16: 12,572,654 km (0.09 R)
• M17: 14,713,998 km (0.113 R)
• M18: 15,796,787 km (0.056 R)
• M19: 17,479,165 km (0.109 R)
• M20: 19,109,034 km (0.113 R)
• M21: 19,702,638 km (0.068 R)
• M22: 21,648,158 km (0.053 R)
• M23: 25,001,395 km (0.119 R)
• M24: 25,304,031 km (0.073 R)
• M25: 27,597,965 km (0.11 R)
• M26: 27,813,087 km (0.108 R)
• M27: 28,138,013 km (0.114 R)
• M28: 31,060,108 km (0.103 R)
• M29: 33,563,180 km (0.108 R)
• M30: 35,940,739 km (0.053 R)
• M31: 39,919,593 km (0.07 R)
• M32: 42,585,727 km (0.077 R)
• M33: 46,727,344 km (0.062 R)
• M34: 47,803,252 km (0.105 R)
• M35: 50,163,906 km (0.114 R)
• M36: 51,291,724 km (0.116 R)
• M37: 52,766,460 km (0.065 R)
• M38: 54,946,101 km (0.109 R)
• M39: 55,457,427 km (0.068 R)
• M40: 57,710,221 km (0.108 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 12,550 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit