🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.75 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.2

Radius: 9.8

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.36 AU - 1.64 AU

Year: 1168 Days

Day: 10.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,419,996 km

• M1: 122,072 km (0.096 R)
• M2: 512,672 km (0.054 R)
• M3: 999,912 km (0.104 R)
• M4: 1,910,514 km (0.113 R)
• M5: 2,226,016 km (0.053 R)
• M6: 2,709,068 km (0.098 R)
• M7: 4,197,118 km (0.104 R)
• M8: 7,569,951 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.8

Radius: 11.6

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.33 AU - 1.75 AU

Year: 1215 Days

Day: 7.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,419,996 km

• M1: 144,512 km (0.039 R)
• M2: 505,641 km (0.104 R)
• M3: 952,041 km (0.107 R)
• M4: 1,730,997 km (0.088 R)
• M5: 2,507,410 km (0.078 R)
• M6: 3,443,294 km (0.05 R)
• M7: 4,879,135 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.6

Radius: 14

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.27 AU - 1.81 AU

Year: 1215 Days

Day: 8 Hours

Environment

Temp: -181 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,419,996 km

• M1: 174,132 km (0.08 R)
• M2: 668,852 km (0.098 R)
• M3: 1,290,431 km (0.063 R)
• M4: 1,839,156 km (0.073 R)
• M5: 2,408,227 km (0.118 R)
• M6: 2,924,938 km (0.096 R)
• M7: 3,499,992 km (0.1 R)
• M8: 4,439,766 km (0.094 R)
• M9: 7,946,788 km (0.044 R)
• M10: 11,293,592 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.3

Radius: 10.4

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.53 AU - 1.65 AU

Year: 1275 Days

Day: 13.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,419,996 km

• M1: 129,402 km (0.048 R)
• M2: 473,477 km (0.102 R)
• M3: 941,120 km (0.116 R)
• M4: 1,313,170 km (0.117 R)
• M5: 1,719,478 km (0.11 R)
• M6: 2,113,070 km (0.093 R)
• M7: 2,566,501 km (0.047 R)
• M8: 2,895,616 km (0.056 R)
• M9: 4,209,534 km (0.029 R)
• M10: 4,670,446 km (0.073 R)
• M11: 5,820,704 km (0.08 R)
• M12: 6,788,602 km (0.101 R)
• M13: 7,224,380 km (0.114 R)
• M14: 7,808,261 km (0.117 R)
• M15: 8,314,201 km (0.118 R)
• M16: 8,757,011 km (0.116 R)
• M17: 9,244,700 km (0.09 R)
• M18: 10,118,501 km (0.091 R)
• M19: 10,655,707 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.1

Radius: 11.8

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.07 AU - 4.83 AU

Year: 5969 Days

Day: 10.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,419,996 km

• M1: 147,055 km (0.091 R)
• M2: 568,322 km (0.101 R)
• M3: 1,279,959 km (0.065 R)
• M4: 1,893,161 km (0.093 R)
• M5: 2,453,704 km (0.1 R)
• M6: 3,829,855 km (0.095 R)
• M7: 5,112,058 km (0.032 R)
• M8: 7,387,292 km (0.067 R)
• M9: 11,616,125 km (0.118 R)
• M10: 14,908,625 km (0.092 R)
• M11: 16,256,053 km (0.063 R)
• M12: 17,570,569 km (0.039 R)
• M13: 18,954,499 km (0.108 R)
• M14: 19,371,578 km (0.103 R)
• M15: 20,722,447 km (0.076 R)
• M16: 21,292,714 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.3

Radius: 13.3

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 4.75 AU - 5.85 AU

Year: 7758 Days

Day: 9.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 71,419,996 km

• M1: 165,455 km (0.059 R)
• M2: 810,521 km (0.063 R)
• M3: 1,357,900 km (0.104 R)
• M4: 2,201,781 km (0.12 R)
• M5: 2,682,888 km (0.091 R)
• M6: 4,285,680 km (0.107 R)
• M7: 5,455,236 km (0.11 R)
• M8: 6,238,979 km (0.111 R)
• M9: 6,751,950 km (0.084 R)
• M10: 7,174,714 km (0.119 R)
• M11: 8,594,996 km (0.12 R)
• M12: 9,466,404 km (0.081 R)
• M13: 12,436,370 km (0.115 R)
• M14: 14,988,809 km (0.103 R)
• M15: 15,445,831 km (0.069 R)
• M16: 18,312,874 km (0.077 R)
• M17: 18,911,116 km (0.106 R)
• M18: 19,677,206 km (0.117 R)
• M19: 21,766,041 km (0.09 R)
• M20: 23,122,744 km (0.119 R)
• M21: 25,724,401 km (0.115 R)
• M22: 28,020,579 km (0.101 R)
• M23: 28,815,392 km (0.103 R)
• M24: 30,139,034 km (0.086 R)
• M25: 30,658,887 km (0.059 R)
• M26: 31,290,489 km (0.111 R)
• M27: 36,424,838 km (0.109 R)
• M28: 37,851,253 km (0.076 R)
• M29: 44,064,202 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 334.2

Radius: 3.7

Gravity: 24.41 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 5.23 AU - 7.53 AU

Year: 10246 Days

Day: 21.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 71,419,996 km

• M1: 46,525 km (0.107 R)
• M2: 165,156 km (0.109 R)
• M3: 325,675 km (0.086 R)
• M4: 734,974 km (0.073 R)
• M5: 970,591 km (0.054 R)
• M6: 1,176,138 km (0.078 R)
• M7: 1,324,839 km (0.071 R)
• M8: 2,590,586 km (0.084 R)
• M9: 3,353,685 km (0.091 R)
• M10: 4,048,418 km (0.083 R)
• M11: 4,177,221 km (0.069 R)
• M12: 5,401,082 km (0.057 R)
• M13: 6,044,352 km (0.102 R)
• M14: 6,488,808 km (0.114 R)
• M15: 6,954,805 km (0.104 R)
• M16: 7,913,129 km (0.115 R)
• M17: 8,444,650 km (0.083 R)
• M18: 9,043,341 km (0.106 R)
• M19: 9,533,274 km (0.088 R)
• M20: 11,879,118 km (0.103 R)
• M21: 14,403,133 km (0.049 R)
• M22: 14,825,299 km (0.077 R)
• M23: 15,131,974 km (0.102 R)
• M24: 15,757,892 km (0.118 R)
• M25: 16,270,863 km (0.114 R)
• M26: 16,994,318 km (0.087 R)
• M27: 18,932,059 km (0.074 R)
• M28: 19,292,889 km (0.053 R)
• M29: 19,805,860 km (0.091 R)
• M30: 20,028,462 km (0.031 R)
• M31: 21,243,795 km (0.09 R)
• M32: 21,399,078 km (0.112 R)
• M33: 21,948,551 km (0.106 R)
• M34: 33,936,127 km (0.054 R)
• M35: 36,098,714 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 418

Radius: 6.1

Gravity: 11.23 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 5.72 AU - 9.16 AU

Year: 12903 Days

Day: 22.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 71,419,996 km

• M1: 75,846 km (0.052 R)
• M2: 280,346 km (0.117 R)
• M3: 700,268 km (0.114 R)
• M4: 1,001,857 km (0.09 R)
• M5: 1,201,271 km (0.097 R)
• M6: 1,454,390 km (0.106 R)
• M7: 2,228,260 km (0.071 R)
• M8: 2,512,795 km (0.115 R)
• M9: 3,391,683 km (0.041 R)
• M10: 4,401,768 km (0.118 R)
• M11: 5,330,322 km (0.083 R)
• M12: 6,235,090 km (0.111 R)
• M13: 6,724,125 km (0.058 R)
• M14: 7,443,092 km (0.098 R)
• M15: 9,707,705 km (0.107 R)
• M16: 10,261,217 km (0.081 R)
• M17: 11,653,225 km (0.054 R)
• M18: 13,472,036 km (0.057 R)
• M19: 14,096,907 km (0.076 R)
• M20: 15,949,377 km (0.078 R)
• M21: 18,714,843 km (0.082 R)
• M22: 19,571,441 km (0.079 R)
• M23: 26,312,321 km (0.113 R)
• M24: 28,591,145 km (0.112 R)
• M25: 32,861,865 km (0.079 R)
• M26: 40,163,288 km (0.037 R)
• M27: 40,676,708 km (0.117 R)
• M28: 46,475,122 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 668.9

Radius: 3.5

Gravity: 54.6 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 7.05 AU - 10.19 AU

Year: 16091 Days

Day: 18 Hours

Environment

Temp: -218 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 71,419,996 km

• M1: 61,485 km (0.108 R)
• M2: 542,442 km (0.11 R)
• M3: 945,608 km (0.088 R)
• M4: 1,151,305 km (0.083 R)
• M5: 1,400,685 km (0.068 R)
• M6: 1,586,186 km (0.074 R)
• M7: 1,701,825 km (0.068 R)
• M8: 1,823,149 km (0.096 R)
• M9: 2,083,150 km (0.099 R)
• M10: 2,631,127 km (0.11 R)
• M11: 3,974,367 km (0.098 R)
• M12: 4,157,624 km (0.037 R)
• M13: 5,378,043 km (0.046 R)
• M14: 6,862,054 km (0.044 R)
• M15: 7,170,675 km (0.039 R)
• M16: 10,036,372 km (0.062 R)
• M17: 11,442,442 km (0.054 R)
• M18: 12,842,080 km (0.055 R)
• M19: 13,310,171 km (0.06 R)
• M20: 14,139,093 km (0.093 R)
• M21: 16,516,802 km (0.1 R)
• M22: 20,292,203 km (0.039 R)
• M23: 21,110,504 km (0.109 R)
• M24: 24,299,332 km (0.046 R)
• M25: 24,911,785 km (0.115 R)
• M26: 25,221,752 km (0.093 R)
• M27: 27,135,857 km (0.108 R)
• M28: 29,835,650 km (0.065 R)
• M29: 30,773,928 km (0.076 R)
• M30: 32,217,996 km (0.116 R)
• M31: 39,137,795 km (0.08 R)
• M32: 40,119,755 km (0.088 R)
• M33: 43,911,014 km (0.1 R)
• M34: 45,893,186 km (0.075 R)
• M35: 46,203,302 km (0.109 R)
• M36: 57,598,920 km (0.114 R)
• M37: 60,156,595 km (0.115 R)
• M38: 63,171,142 km (0.083 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 753.7

Radius: 4.8

Gravity: 32.71 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 7.22 AU - 10.9 AU

Year: 17339 Days

Day: 18.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 71,419,996 km

• M1: 61,186 km (0.095 R)
• M2: 398,080 km (0.111 R)
• M3: 588,817 km (0.091 R)
• M4: 1,418,038 km (0.099 R)
• M5: 1,764,357 km (0.067 R)
• M6: 2,206,269 km (0.098 R)
• M7: 2,624,096 km (0.093 R)
• M8: 3,225,330 km (0.084 R)
• M9: 3,944,597 km (0.054 R)
• M10: 4,195,771 km (0.103 R)
• M11: 7,327,603 km (0.119 R)
• M12: 7,804,521 km (0.06 R)
• M13: 10,444,923 km (0.092 R)
• M14: 11,171,969 km (0.082 R)
• M15: 14,272,983 km (0.076 R)
• M16: 18,331,274 km (0.094 R)
• M17: 19,747,667 km (0.099 R)
• M18: 23,706,625 km (0.063 R)
• M19: 24,222,887 km (0.05 R)
• M20: 25,708,394 km (0.077 R)
• M21: 27,706,124 km (0.119 R)
• M22: 28,163,744 km (0.085 R)
• M23: 29,685,753 km (0.117 R)
• M24: 30,406,366 km (0.067 R)
• M25: 30,770,936 km (0.078 R)
• M26: 38,690,049 km (0.083 R)
• M27: 41,010,311 km (0.066 R)
• M28: 41,455,365 km (0.073 R)
• M29: 42,809,974 km (0.091 R)
• M30: 47,375,551 km (0.063 R)
• M31: 47,701,824 km (0.06 R)
• M32: 49,859,474 km (0.113 R)
• M33: 52,953,158 km (0.071 R)
• M34: 55,446,057 km (0.106 R)
• M35: 58,016,149 km (0.107 R)
• M36: 60,472,695 km (0.092 R)
• M37: 68,881,741 km (0.101 R)
• M38: 70,143,150 km (0.036 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 185 - 17,738 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit