🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.9

Radius: 10.6

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.91 AU - 1.01 AU

Year: 607 Days

Day: 10.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,941,626 km

• M1: 131,796 km (0.068 R)
• M2: 480,508 km (0.112 R)
• M3: 880,234 km (0.093 R)
• M4: 1,216,829 km (0.049 R)
• M5: 1,648,718 km (0.086 R)
• M6: 2,139,848 km (0.113 R)
• M7: 2,797,331 km (0.076 R)
• M8: 3,584,814 km (0.104 R)
• M9: 4,196,519 km (0.07 R)
• M10: 4,966,649 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.4

Radius: 8.1

Gravity: 10.64 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.96 AU - 1.14 AU

Year: 695 Days

Day: 14 Hours

Environment

Temp: -154 °C

Axial Tilt: 129.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,941,626 km

• M1: 100,829 km (0.064 R)
• M2: 367,113 km (0.091 R)
• M3: 701,614 km (0.054 R)
• M4: 1,013,675 km (0.079 R)
• M5: 1,306,289 km (0.118 R)
• M6: 1,647,521 km (0.056 R)
• M7: 1,964,519 km (0.118 R)
• M8: 2,312,035 km (0.034 R)
• M9: 2,588,193 km (0.094 R)
• M10: 3,019,334 km (0.047 R)
• M11: 3,430,130 km (0.088 R)
• M12: 3,762,386 km (0.055 R)
• M13: 4,638,581 km (0.069 R)
• M14: 4,941,666 km (0.082 R)
• M15: 5,276,018 km (0.116 R)
• M16: 6,128,576 km (0.116 R)
• M17: 6,788,602 km (0.049 R)
• M18: 7,359,018 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.3

Radius: 12.6

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.52 AU - 1.54 AU

Year: 1222 Days

Day: 8.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,941,626 km

• M1: 157,676 km (0.085 R)
• M2: 722,558 km (0.051 R)
• M3: 1,217,577 km (0.111 R)
• M4: 1,630,766 km (0.1 R)
• M5: 2,023,760 km (0.072 R)
• M6: 3,579,578 km (0.082 R)
• M7: 4,113,642 km (0.114 R)
• M8: 5,608,125 km (0.085 R)
• M9: 8,413,384 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.8

Radius: 9.3

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.13 AU - 2.49 AU

Year: 2267 Days

Day: 13.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,941,626 km

• M1: 117,285 km (0.08 R)
• M2: 422,464 km (0.119 R)
• M3: 856,448 km (0.101 R)
• M4: 1,727,556 km (0.057 R)
• M5: 2,513,843 km (0.04 R)
• M6: 2,901,002 km (0.119 R)
• M7: 3,327,954 km (0.115 R)
• M8: 3,707,933 km (0.104 R)
• M9: 4,054,401 km (0.084 R)
• M10: 4,657,281 km (0.098 R)
• M11: 5,412,750 km (0.079 R)
• M12: 6,164,629 km (0.069 R)
• M13: 7,029,604 km (0.096 R)
• M14: 8,399,172 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574

Radius: 8.4

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.23 AU - 3.51 AU

Year: 3139 Days

Day: 9.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,941,626 km

• M1: 107,860 km (0.083 R)
• M2: 486,642 km (0.112 R)
• M3: 935,286 km (0.11 R)
• M4: 1,217,278 km (0.117 R)
• M5: 1,588,879 km (0.031 R)
• M6: 2,260,723 km (0.083 R)
• M7: 2,532,991 km (0.032 R)
• M8: 3,196,458 km (0.058 R)
• M9: 3,674,273 km (0.091 R)
• M10: 4,613,150 km (0.047 R)
• M11: 5,030,378 km (0.033 R)
• M12: 5,322,543 km (0.117 R)
• M13: 5,940,831 km (0.038 R)
• M14: 6,379,152 km (0.114 R)
• M15: 6,809,396 km (0.073 R)
• M16: 7,413,023 km (0.106 R)
• M17: 7,824,268 km (0.085 R)
• M18: 8,284,132 km (0.059 R)
• M19: 8,657,827 km (0.098 R)
• M20: 11,682,098 km (0.114 R)
• M21: 14,746,161 km (0.066 R)
• M22: 16,329,954 km (0.103 R)
• M23: 16,918,322 km (0.114 R)
• M24: 17,300,096 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.7

Radius: 9.8

Gravity: 9.15 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.3 AU - 3.66 AU

Year: 3322 Days

Day: 10 Hours

Environment

Temp: -201 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 76,941,626 km

• M1: 122,221 km (0.077 R)
• M2: 428,299 km (0.066 R)
• M3: 766,539 km (0.049 R)
• M4: 1,885,681 km (0.111 R)
• M5: 2,327,144 km (0.114 R)
• M6: 2,752,302 km (0.052 R)
• M7: 3,497,449 km (0.083 R)
• M8: 4,302,734 km (0.11 R)
• M9: 4,725,198 km (0.094 R)
• M10: 5,331,519 km (0.1 R)
• M11: 5,791,831 km (0.111 R)
• M12: 6,307,794 km (0.116 R)
• M13: 6,948,223 km (0.083 R)
• M14: 7,800,631 km (0.094 R)
• M15: 9,438,429 km (0.095 R)
• M16: 11,076,675 km (0.116 R)
• M17: 11,514,249 km (0.051 R)
• M18: 12,100,373 km (0.078 R)
• M19: 12,470,778 km (0.067 R)
• M20: 15,119,558 km (0.106 R)
• M21: 18,853,520 km (0.032 R)
• M22: 21,433,785 km (0.106 R)
• M23: 21,976,825 km (0.046 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.7

Radius: 13.5

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.85 AU - 4.61 AU

Year: 5617 Days

Day: 10.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,941,626 km

• M1: 167,849 km (0.106 R)
• M2: 611,556 km (0.064 R)
• M3: 1,128,417 km (0.069 R)
• M4: 1,902,586 km (0.096 R)
• M5: 2,326,247 km (0.111 R)
• M6: 2,796,583 km (0.072 R)
• M7: 4,533,264 km (0.032 R)
• M8: 5,036,512 km (0.12 R)
• M9: 5,605,133 km (0.086 R)
• M10: 6,307,046 km (0.106 R)
• M11: 7,166,187 km (0.042 R)
• M12: 8,431,635 km (0.083 R)
• M13: 9,354,654 km (0.035 R)
• M14: 11,539,232 km (0.1 R)
• M15: 12,677,073 km (0.103 R)
• M16: 13,836,606 km (0.111 R)
• M17: 16,482,544 km (0.089 R)
• M18: 21,967,550 km (0.117 R)
• M19: 25,942,664 km (0.114 R)
• M20: 26,420,929 km (0.1 R)
• M21: 27,395,110 km (0.073 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.3

Radius: 8.1

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.81 AU - 5.39 AU

Year: 6370 Days

Day: 10.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,941,626 km

• M1: 127,757 km (0.101 R)
• M2: 690,693 km (0.025 R)
• M3: 992,432 km (0.032 R)
• M4: 1,426,864 km (0.085 R)
• M5: 2,328,341 km (0.106 R)
• M6: 2,911,324 km (0.081 R)
• M7: 3,963,745 km (0.112 R)
• M8: 4,742,402 km (0.065 R)
• M9: 5,504,005 km (0.094 R)
• M10: 5,794,973 km (0.086 R)
• M11: 9,965,911 km (0.108 R)
• M12: 11,396,665 km (0.082 R)
• M13: 12,706,245 km (0.081 R)
• M14: 16,147,295 km (0.08 R)
• M15: 23,107,336 km (0.113 R)
• M16: 29,300,239 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 984.8

Radius: 4.5

Gravity: 48.63 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 7.11 AU - 8.87 AU

Year: 14583 Days

Day: 15.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 76,941,626 km

• M1: 89,011 km (0.065 R)
• M2: 335,398 km (0.106 R)
• M3: 1,378,993 km (0.12 R)
• M4: 2,464,326 km (0.093 R)
• M5: 3,299,082 km (0.114 R)
• M6: 3,930,834 km (0.119 R)
• M7: 4,211,180 km (0.112 R)
• M8: 4,438,270 km (0.082 R)
• M9: 4,673,587 km (0.091 R)
• M10: 4,917,282 km (0.103 R)
• M11: 5,505,950 km (0.114 R)
• M12: 6,017,724 km (0.072 R)
• M13: 6,690,466 km (0.047 R)
• M14: 8,538,149 km (0.109 R)
• M15: 9,276,863 km (0.096 R)
• M16: 13,830,174 km (0.102 R)
• M17: 18,970,057 km (0.075 R)
• M18: 22,594,664 km (0.11 R)
• M19: 23,190,512 km (0.116 R)
• M20: 26,655,199 km (0.078 R)
• M21: 30,690,751 km (0.041 R)
• M22: 32,287,708 km (0.112 R)
• M23: 33,810,166 km (0.116 R)
• M24: 43,808,390 km (0.089 R)
• M25: 46,305,029 km (0.114 R)
• M26: 69,567,947 km (0.112 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 941.6

Radius: 7.8

Gravity: 15.48 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 8.1 AU - 9.84 AU

Year: 17346 Days

Day: 24.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 76,941,626 km

• M1: 101,278 km (0.106 R)
• M2: 467,942 km (0.065 R)
• M3: 860,786 km (0.084 R)
• M4: 1,227,151 km (0.086 R)
• M5: 1,592,769 km (0.099 R)
• M6: 1,971,102 km (0.05 R)
• M7: 2,320,413 km (0.043 R)
• M8: 3,170,876 km (0.085 R)
• M9: 3,505,976 km (0.058 R)
• M10: 4,084,919 km (0.063 R)
• M11: 8,024,430 km (0.05 R)
• M12: 9,360,937 km (0.09 R)
• M13: 9,876,451 km (0.077 R)
• M14: 12,605,117 km (0.091 R)
• M15: 13,956,883 km (0.088 R)
• M16: 14,253,386 km (0.09 R)
• M17: 23,520,824 km (0.093 R)
• M18: 24,796,296 km (0.111 R)
• M19: 29,990,932 km (0.108 R)
• M20: 30,733,985 km (0.09 R)
• M21: 41,086,756 km (0.11 R)
• M22: 42,003,342 km (0.045 R)
• M23: 44,354,123 km (0.074 R)
• M24: 45,643,058 km (0.069 R)
• M25: 52,108,230 km (0.104 R)
• M26: 54,452,877 km (0.052 R)
• M27: 55,558,405 km (0.036 R)
• M28: 55,930,156 km (0.109 R)
• M29: 56,303,702 km (0.092 R)
• M30: 67,871,956 km (0.106 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 19,824 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit