🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.7

Radius: 14

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.59 AU - 0.85 AU

Year: 429 Days

Day: 14.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,623,189 km

• M1: 174,132 km (0.097 R)
• M2: 658,231 km (0.089 R)
• M3: 1,165,667 km (0.037 R)
• M4: 1,764,956 km (0.096 R)
• M5: 2,319,665 km (0.064 R)
• M6: 2,798,527 km (0.108 R)
• M7: 3,266,918 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.3

Radius: 8.6

Gravity: 9.5 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.4 AU - 1.74 AU

Year: 1383 Days

Day: 14.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,623,189 km

• M1: 106,962 km (0.092 R)
• M2: 416,331 km (0.079 R)
• M3: 699,968 km (0.117 R)
• M4: 1,213,837 km (0.086 R)
• M5: 1,551,180 km (0.078 R)
• M6: 2,159,146 km (0.05 R)
• M7: 2,468,215 km (0.059 R)
• M8: 2,752,900 km (0.113 R)
• M9: 3,876,380 km (0.096 R)
• M10: 4,409,846 km (0.047 R)
• M11: 5,601,393 km (0.095 R)
• M12: 8,431,486 km (0.114 R)
• M13: 8,752,822 km (0.05 R)
• M14: 9,734,184 km (0.051 R)
• M15: 10,416,949 km (0.056 R)
• M16: 10,753,095 km (0.094 R)
• M17: 12,207,785 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.9

Radius: 8.6

Gravity: 9.5 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.55 AU - 2.41 AU

Year: 1958 Days

Day: 9.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,623,189 km

• M1: 115,190 km (0.093 R)
• M2: 458,667 km (0.033 R)
• M3: 850,165 km (0.11 R)
• M4: 1,183,020 km (0.078 R)
• M5: 4,254,264 km (0.11 R)
• M6: 4,596,395 km (0.071 R)
• M7: 5,497,722 km (0.059 R)
• M8: 6,885,691 km (0.107 R)
• M9: 7,245,324 km (0.027 R)
• M10: 7,675,867 km (0.104 R)
• M11: 8,462,452 km (0.103 R)
• M12: 11,487,172 km (0.108 R)
• M13: 11,758,093 km (0.093 R)
• M14: 12,393,585 km (0.03 R)
• M15: 13,950,450 km (0.105 R)
• M16: 14,572,179 km (0.067 R)
• M17: 14,935,702 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.7

Radius: 11.8

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.04 AU - 2.14 AU

Year: 2124 Days

Day: 7.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,623,189 km

• M1: 147,653 km (0.056 R)
• M2: 521,648 km (0.1 R)
• M3: 1,376,899 km (0.038 R)
• M4: 2,201,931 km (0.086 R)
• M5: 4,001,294 km (0.114 R)
• M6: 4,556,153 km (0.049 R)
• M7: 5,063,738 km (0.12 R)
• M8: 7,533,749 km (0.1 R)
• M9: 8,548,172 km (0.107 R)
• M10: 9,531,180 km (0.039 R)
• M11: 10,364,140 km (0.107 R)
• M12: 11,012,049 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.4

Radius: 9.5

Gravity: 10.33 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.61 AU - 3.03 AU

Year: 3329 Days

Day: 14.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,623,189 km

• M1: 118,182 km (0.075 R)
• M2: 544,237 km (0.119 R)
• M3: 1,404,574 km (0.07 R)
• M4: 1,707,211 km (0.092 R)
• M5: 2,266,857 km (0.052 R)
• M6: 2,574,131 km (0.117 R)
• M7: 2,962,038 km (0.111 R)
• M8: 3,388,990 km (0.089 R)
• M9: 3,985,437 km (0.089 R)
• M10: 5,022,300 km (0.091 R)
• M11: 7,287,660 km (0.115 R)
• M12: 7,825,165 km (0.093 R)
• M13: 8,352,797 km (0.109 R)
• M14: 8,717,666 km (0.109 R)
• M15: 9,916,843 km (0.12 R)
• M16: 10,326,292 km (0.08 R)
• M17: 12,031,708 km (0.09 R)
• M18: 13,121,229 km (0.096 R)
• M19: 15,063,608 km (0.066 R)
• M20: 19,256,388 km (0.113 R)
• M21: 20,023,525 km (0.077 R)
• M22: 20,810,859 km (0.092 R)
• M23: 21,823,936 km (0.057 R)
• M24: 25,060,336 km (0.084 R)
• M25: 25,438,669 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.1

Radius: 9.9

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.82 AU - 3 AU

Year: 3489 Days

Day: 12.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,623,189 km

• M1: 123,119 km (0.117 R)
• M2: 440,117 km (0.106 R)
• M3: 834,158 km (0.093 R)
• M4: 1,143,377 km (0.12 R)
• M5: 1,727,107 km (0.059 R)
• M6: 2,741,830 km (0.053 R)
• M7: 3,126,147 km (0.052 R)
• M8: 4,180,213 km (0.058 R)
• M9: 4,691,539 km (0.112 R)
• M10: 5,673,050 km (0.043 R)
• M11: 6,389,923 km (0.066 R)
• M12: 8,719,461 km (0.114 R)
• M13: 9,055,309 km (0.086 R)
• M14: 9,634,402 km (0.058 R)
• M15: 10,611,875 km (0.045 R)
• M16: 10,995,144 km (0.08 R)
• M17: 12,200,454 km (0.119 R)
• M18: 12,668,546 km (0.071 R)
• M19: 14,298,564 km (0.103 R)
• M20: 15,352,182 km (0.099 R)
• M21: 15,732,759 km (0.113 R)
• M22: 16,175,569 km (0.047 R)
• M23: 23,209,661 km (0.061 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.9

Radius: 12.2

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.18 AU - 4.12 AU

Year: 4902 Days

Day: 11.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,623,189 km

• M1: 152,440 km (0.109 R)
• M2: 546,780 km (0.086 R)
• M3: 1,033,123 km (0.08 R)
• M4: 1,522,458 km (0.101 R)
• M5: 2,443,232 km (0.116 R)
• M6: 4,515,013 km (0.119 R)
• M7: 5,255,972 km (0.109 R)
• M8: 6,191,856 km (0.109 R)
• M9: 7,139,110 km (0.071 R)
• M10: 8,537,401 km (0.106 R)
• M11: 9,205,954 km (0.072 R)
• M12: 10,233,093 km (0.106 R)
• M13: 11,734,307 km (0.096 R)
• M14: 15,709,871 km (0.046 R)
• M15: 16,886,009 km (0.094 R)
• M16: 19,413,316 km (0.114 R)
• M17: 20,050,303 km (0.096 R)
• M18: 20,635,530 km (0.105 R)
• M19: 24,169,630 km (0.071 R)
• M20: 24,907,148 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.9

Radius: 13.5

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.56 AU - 5.38 AU

Year: 7788 Days

Day: 9.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,623,189 km

• M1: 168,896 km (0.085 R)
• M2: 1,320,650 km (0.114 R)
• M3: 1,948,063 km (0.116 R)
• M4: 2,636,662 km (0.118 R)
• M5: 3,574,940 km (0.056 R)
• M6: 4,033,458 km (0.114 R)
• M7: 6,346,241 km (0.065 R)
• M8: 8,992,029 km (0.081 R)
• M9: 10,127,776 km (0.087 R)
• M10: 10,755,189 km (0.114 R)
• M11: 12,683,655 km (0.099 R)
• M12: 13,875,801 km (0.085 R)
• M13: 14,469,106 km (0.102 R)
• M14: 15,834,187 km (0.114 R)
• M15: 16,351,346 km (0.06 R)
• M16: 16,813,155 km (0.099 R)
• M17: 17,624,873 km (0.05 R)
• M18: 18,604,889 km (0.084 R)
• M19: 19,108,286 km (0.076 R)
• M20: 22,242,211 km (0.106 R)
• M21: 23,469,812 km (0.084 R)
• M22: 28,930,732 km (0.066 R)
• M23: 33,043,477 km (0.078 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: 302 - 16,678 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit