🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.9

Radius: 13.8

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.65 AU - 1.01 AU

Year: 522 Days

Day: 6.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 78,177,472 km

• M1: 171,589 km (0.079 R)
• M2: 607,966 km (0.088 R)
• M3: 1,101,190 km (0.104 R)
• M4: 1,564,794 km (0.05 R)
• M5: 2,153,162 km (0.102 R)
• M6: 2,837,124 km (0.118 R)
• M7: 3,348,300 km (0.09 R)
• M8: 4,815,256 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.7

Radius: 14.4

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.35 AU - 3.51 AU

Year: 4385 Days

Day: 8.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,177,472 km

• M1: 179,218 km (0.071 R)
• M2: 751,281 km (0.059 R)
• M3: 1,617,003 km (0.114 R)
• M4: 3,201,694 km (0.118 R)
• M5: 4,357,487 km (0.065 R)
• M6: 4,834,255 km (0.055 R)
• M7: 5,864,386 km (0.101 R)
• M8: 6,353,122 km (0.083 R)
• M9: 7,483,334 km (0.107 R)
• M10: 8,321,082 km (0.105 R)
• M11: 11,446,481 km (0.118 R)
• M12: 13,168,353 km (0.074 R)
• M13: 13,796,664 km (0.051 R)
• M14: 14,665,678 km (0.039 R)
• M15: 16,693,776 km (0.107 R)
• M16: 17,244,147 km (0.11 R)
• M17: 21,731,035 km (0.066 R)
• M18: 24,830,703 km (0.062 R)
• M19: 26,362,586 km (0.106 R)
• M20: 27,026,202 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.5

Radius: 14.4

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.08 AU - 4.02 AU

Year: 4617 Days

Day: 14.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,177,472 km

• M1: 179,069 km (0.104 R)
• M2: 835,803 km (0.045 R)
• M3: 1,478,775 km (0.074 R)
• M4: 2,035,129 km (0.089 R)
• M5: 3,158,759 km (0.102 R)
• M6: 4,431,089 km (0.075 R)
• M7: 5,790,485 km (0.105 R)
• M8: 6,357,461 km (0.04 R)
• M9: 6,987,417 km (0.101 R)
• M10: 7,576,085 km (0.074 R)
• M11: 8,822,534 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.4

Radius: 8.3

Gravity: 11.59 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 4.1 AU - 6.62 AU

Year: 8566 Days

Day: 7.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 63.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 78,177,472 km

• M1: 109,655 km (0.053 R)
• M2: 404,812 km (0.056 R)
• M3: 977,024 km (0.105 R)
• M4: 1,256,772 km (0.113 R)
• M5: 1,825,094 km (0.116 R)
• M6: 2,673,613 km (0.11 R)
• M7: 2,986,721 km (0.049 R)
• M8: 3,662,156 km (0.094 R)
• M9: 3,943,699 km (0.092 R)
• M10: 4,351,054 km (0.028 R)
• M11: 6,054,226 km (0.104 R)
• M12: 6,976,646 km (0.111 R)
• M13: 7,451,470 km (0.105 R)
• M14: 8,377,780 km (0.066 R)
• M15: 9,569,028 km (0.109 R)
• M16: 10,662,139 km (0.109 R)
• M17: 14,502,766 km (0.118 R)
• M18: 16,835,445 km (0.074 R)
• M19: 17,258,957 km (0.086 R)
• M20: 18,054,069 km (0.032 R)
• M21: 21,070,112 km (0.118 R)
• M22: 23,084,298 km (0.108 R)
• M23: 23,432,113 km (0.098 R)
• M24: 25,223,547 km (0.079 R)
• M25: 35,335,615 km (0.036 R)
• M26: 37,208,132 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 639.9

Radius: 5.9

Gravity: 18.38 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 7 AU - 7.38 AU

Year: 13308 Days

Day: 19.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 78,177,472 km

• M1: 73,303 km (0.054 R)
• M2: 351,555 km (0.106 R)
• M3: 659,876 km (0.105 R)
• M4: 1,103,284 km (0.079 R)
• M5: 1,792,930 km (0.116 R)
• M6: 2,107,984 km (0.098 R)
• M7: 2,338,215 km (0.11 R)
• M8: 2,781,473 km (0.114 R)
• M9: 3,918,716 km (0.102 R)
• M10: 4,149,247 km (0.09 R)
• M11: 4,962,311 km (0.09 R)
• M12: 6,334,722 km (0.083 R)
• M13: 7,023,919 km (0.088 R)
• M14: 8,172,831 km (0.11 R)
• M15: 8,889,853 km (0.102 R)
• M16: 9,752,285 km (0.096 R)
• M17: 10,123,138 km (0.072 R)
• M18: 15,693,714 km (0.118 R)
• M19: 17,563,239 km (0.096 R)
• M20: 18,672,657 km (0.037 R)
• M21: 19,996,747 km (0.113 R)
• M22: 22,554,123 km (0.068 R)
• M23: 25,222,351 km (0.065 R)
• M24: 25,619,982 km (0.1 R)
• M25: 25,920,973 km (0.084 R)
• M26: 28,844,414 km (0.097 R)
• M27: 30,948,807 km (0.097 R)
• M28: 32,446,282 km (0.089 R)
• M29: 41,072,694 km (0.088 R)
• M30: 49,231,163 km (0.102 R)
• M31: 50,164,654 km (0.063 R)
• M32: 53,360,962 km (0.079 R)
• M33: 54,842,579 km (0.119 R)
• M34: 56,520,768 km (0.049 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 939

Radius: 7.8

Gravity: 15.43 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 7.24 AU - 9.46 AU

Year: 16655 Days

Day: 18.6 Hours

Environment

Temp: -242 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,177,472 km

• M1: 101,427 km (0.104 R)
• M2: 609,462 km (0.072 R)
• M3: 860,487 km (0.085 R)
• M4: 1,209,349 km (0.105 R)
• M5: 1,938,190 km (0.111 R)
• M6: 3,790,361 km (0.09 R)
• M7: 6,461,730 km (0.106 R)
• M8: 7,804,970 km (0.119 R)
• M9: 9,269,533 km (0.086 R)
• M10: 9,549,281 km (0.108 R)
• M11: 10,184,324 km (0.107 R)
• M12: 12,595,991 km (0.087 R)
• M13: 13,573,164 km (0.111 R)
• M14: 16,236,007 km (0.098 R)
• M15: 21,675,834 km (0.1 R)
• M16: 36,102,604 km (0.11 R)
• M17: 46,307,572 km (0.09 R)
• M18: 52,063,500 km (0.086 R)
• M19: 52,593,226 km (0.111 R)
• M20: 54,203,796 km (0.12 R)
• M21: 60,975,344 km (0.113 R)
• M22: 68,078,999 km (0.115 R)
• M23: 69,136,806 km (0.096 R)
• M24: 73,921,394 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 967.1

Radius: 4.5

Gravity: 47.76 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 6.49 AU - 10.79 AU

Year: 17530 Days

Day: 16.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 90.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 78,177,472 km

• M1: 55,950 km (0.096 R)
• M2: 235,617 km (0.068 R)
• M3: 1,149,510 km (0.059 R)
• M4: 1,291,329 km (0.119 R)
• M5: 1,526,347 km (0.086 R)
• M6: 1,864,438 km (0.095 R)
• M7: 3,700,752 km (0.117 R)
• M8: 4,907,259 km (0.082 R)
• M9: 8,270,817 km (0.117 R)
• M10: 9,997,925 km (0.095 R)
• M11: 10,297,420 km (0.091 R)
• M12: 11,040,472 km (0.1 R)
• M13: 12,289,016 km (0.045 R)
• M14: 12,841,930 km (0.046 R)
• M15: 13,195,729 km (0.091 R)
• M16: 13,483,406 km (0.101 R)
• M17: 14,599,855 km (0.067 R)
• M18: 14,985,219 km (0.096 R)
• M19: 15,298,477 km (0.109 R)
• M20: 17,701,018 km (0.108 R)
• M21: 19,776,689 km (0.067 R)
• M22: 22,008,988 km (0.111 R)
• M23: 24,837,286 km (0.072 R)
• M24: 25,386,310 km (0.109 R)
• M25: 27,082,002 km (0.044 R)
• M26: 28,491,812 km (0.079 R)
• M27: 29,093,345 km (0.072 R)
• M28: 31,970,112 km (0.091 R)
• M29: 39,605,887 km (0.093 R)
• M30: 40,054,231 km (0.071 R)
• M31: 50,617,337 km (0.075 R)
• M32: 55,315,009 km (0.101 R)
• M33: 59,120,331 km (0.086 R)
• M34: 61,285,909 km (0.061 R)
• M35: 62,488,975 km (0.114 R)
• M36: 67,247,085 km (0.089 R)
• M37: 67,671,943 km (0.115 R)
• M38: 70,915,225 km (0.09 R)
• M39: 73,808,597 km (0.11 R)
• M40: 74,714,413 km (0.053 R)
• M41: 76,317,503 km (0.063 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: 183 - 14,696 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit