🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.14 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.3

Radius: 8.5

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.02 AU - 2.52 AU

Year: 2320 Days

Day: 5.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,437,989 km

• M1: 105,766 km (0.058 R)
• M2: 519,105 km (0.114 R)
• M3: 1,161,927 km (0.086 R)
• M4: 1,666,071 km (0.111 R)
• M5: 1,947,914 km (0.106 R)
• M6: 2,214,946 km (0.072 R)
• M7: 2,481,380 km (0.054 R)
• M8: 2,992,556 km (0.112 R)
• M9: 3,413,075 km (0.119 R)
• M10: 3,770,614 km (0.058 R)
• M11: 4,874,647 km (0.115 R)
• M12: 5,329,125 km (0.119 R)
• M13: 5,879,645 km (0.115 R)
• M14: 6,180,786 km (0.117 R)
• M15: 7,068,499 km (0.113 R)
• M16: 7,543,024 km (0.107 R)
• M17: 7,954,568 km (0.071 R)
• M18: 8,381,071 km (0.069 R)
• M19: 9,248,888 km (0.119 R)
• M20: 10,780,621 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.9

Radius: 13.5

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.79 AU - 3.03 AU

Year: 3367 Days

Day: 13.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,437,989 km

• M1: 167,998 km (0.094 R)
• M2: 591,360 km (0.035 R)
• M3: 1,097,749 km (0.042 R)
• M4: 1,770,640 km (0.067 R)
• M5: 4,202,503 km (0.084 R)
• M6: 4,747,788 km (0.112 R)
• M7: 6,261,419 km (0.064 R)
• M8: 7,129,386 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.7

Radius: 9.9

Gravity: 9.61 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.97 AU - 4.45 AU

Year: 4847 Days

Day: 9.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 33,437,989 km

• M1: 126,261 km (0.066 R)
• M2: 581,786 km (0.058 R)
• M3: 1,089,671 km (0.108 R)
• M4: 1,613,862 km (0.116 R)
• M5: 2,315,775 km (0.032 R)
• M6: 2,673,912 km (0.109 R)
• M7: 3,229,668 km (0.097 R)
• M8: 3,860,822 km (0.071 R)
• M9: 4,469,087 km (0.12 R)
• M10: 5,196,581 km (0.029 R)
• M11: 5,633,706 km (0.107 R)
• M12: 6,715,897 km (0.081 R)
• M13: 7,669,883 km (0.112 R)
• M14: 9,329,821 km (0.117 R)
• M15: 11,216,848 km (0.072 R)
• M16: 12,973,427 km (0.038 R)
• M17: 13,292,070 km (0.102 R)
• M18: 14,223,167 km (0.091 R)
• M19: 15,850,792 km (0.105 R)
• M20: 17,989,892 km (0.075 R)
• M21: 19,960,844 km (0.116 R)
• M22: 21,697,526 km (0.091 R)
• M23: 22,374,007 km (0.078 R)
• M24: 23,611,331 km (0.047 R)
• M25: 24,649,690 km (0.066 R)
• M26: 25,057,195 km (0.109 R)
• M27: 26,053,217 km (0.099 R)
• M28: 29,200,158 km (0.049 R)
• M29: 30,396,193 km (0.113 R)
• M30: 30,864,883 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.4

Radius: 10.6

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 4.26 AU - 6.6 AU

Year: 8582 Days

Day: 9.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 33,437,989 km

• M1: 131,796 km (0.028 R)
• M2: 551,567 km (0.067 R)
• M3: 1,117,047 km (0.055 R)
• M4: 1,523,804 km (0.092 R)
• M5: 2,106,039 km (0.117 R)
• M6: 3,128,241 km (0.066 R)
• M7: 4,172,434 km (0.091 R)
• M8: 5,616,353 km (0.091 R)
• M9: 5,960,278 km (0.084 R)
• M10: 7,781,932 km (0.088 R)
• M11: 8,695,825 km (0.097 R)
• M12: 10,175,946 km (0.061 R)
• M13: 12,227,980 km (0.11 R)
• M14: 13,186,753 km (0.099 R)
• M15: 14,137,448 km (0.112 R)
• M16: 15,374,323 km (0.056 R)
• M17: 16,490,772 km (0.093 R)
• M18: 18,401,884 km (0.114 R)
• M19: 19,304,708 km (0.062 R)
• M20: 20,751,169 km (0.119 R)
• M21: 24,267,767 km (0.11 R)
• M22: 24,764,880 km (0.094 R)
• M23: 29,737,065 km (0.069 R)
• M24: 34,082,434 km (0.039 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 349.3

Radius: 5.7

Gravity: 10.75 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 6.44 AU - 10.72 AU

Year: 17046 Days

Day: 22.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 33,437,989 km

• M1: 72,705 km (0.07 R)
• M2: 270,174 km (0.103 R)
• M3: 457,171 km (0.037 R)
• M4: 815,907 km (0.105 R)
• M5: 1,052,421 km (0.104 R)
• M6: 1,443,619 km (0.037 R)
• M7: 2,159,595 km (0.1 R)
• M8: 3,136,918 km (0.082 R)
• M9: 5,382,980 km (0.113 R)
• M10: 6,974,851 km (0.087 R)
• M11: 7,877,973 km (0.098 R)
• M12: 8,427,895 km (0.079 R)
• M13: 10,391,966 km (0.104 R)
• M14: 12,216,162 km (0.105 R)
• M15: 17,689,051 km (0.096 R)
• M16: 20,102,962 km (0.054 R)
• M17: 24,407,940 km (0.06 R)
• M18: 25,278,151 km (0.09 R)
• M19: 30,051,370 km (0.107 R)
• M20: 35,147,721 km (0.109 R)
• M21: 38,544,041 km (0.106 R)
• M22: 52,703,928 km (0.085 R)
• M23: 54,155,327 km (0.081 R)
• M24: 54,481,450 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 519.3

Radius: 7.3

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 9.01 AU - 9.75 AU

Year: 19485 Days

Day: 20 Hours

Environment

Temp: -231 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 33,437,989 km

• M1: 90,806 km (0.115 R)
• M2: 686,056 km (0.106 R)
• M3: 974,481 km (0.077 R)
• M4: 2,650,725 km (0.118 R)
• M5: 3,035,341 km (0.115 R)
• M6: 3,294,145 km (0.089 R)
• M7: 3,539,785 km (0.102 R)
• M8: 4,006,979 km (0.117 R)
• M9: 4,749,433 km (0.059 R)
• M10: 5,618,597 km (0.1 R)
• M11: 5,970,601 km (0.082 R)
• M12: 6,378,704 km (0.094 R)
• M13: 7,025,714 km (0.092 R)
• M14: 7,527,466 km (0.084 R)
• M15: 9,229,889 km (0.077 R)
• M16: 10,459,285 km (0.075 R)
• M17: 11,605,952 km (0.059 R)
• M18: 13,445,109 km (0.094 R)
• M19: 15,094,724 km (0.063 R)
• M20: 17,198,070 km (0.118 R)
• M21: 20,025,021 km (0.118 R)
• M22: 20,387,347 km (0.112 R)
• M23: 20,939,214 km (0.059 R)
• M24: 23,747,764 km (0.061 R)
• M25: 26,362,436 km (0.075 R)
• M26: 29,278,996 km (0.114 R)
• M27: 29,511,920 km (0.115 R)
• M28: 33,408,346 km (0.117 R)
• M29: 37,771,966 km (0.092 R)
• M30: 41,028,263 km (0.083 R)
• M31: 48,093,322 km (0.084 R)
• M32: 48,906,985 km (0.108 R)
• M33: 52,082,349 km (0.109 R)
• M34: 59,770,932 km (0.063 R)
• M35: 62,044,221 km (0.064 R)
• M36: 62,814,650 km (0.094 R)
• M37: 63,982,261 km (0.088 R)
• M38: 64,571,378 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 48.2

Radius: 7.2

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 8.4 AU - 11.92 AU

Year: 21965 Days

Day: 21.2 Hours

Environment

Temp: -242 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,437,989 km

• M1: 102,026 km (0.082 R)
• M2: 333,005 km (0.114 R)
• M3: 963,261 km (0.053 R)
• M4: 1,298,958 km (0.082 R)
• M5: 1,738,028 km (0.079 R)
• M6: 2,083,001 km (0.061 R)
• M7: 2,613,624 km (0.102 R)
• M8: 4,358,983 km (0.118 R)
• M9: 9,163,618 km (0.11 R)
• M10: 10,391,367 km (0.051 R)
• M11: 10,761,472 km (0.097 R)
• M12: 11,092,533 km (0.053 R)
• M13: 11,725,332 km (0.119 R)
• M14: 12,433,378 km (0.104 R)
• M15: 13,990,243 km (0.094 R)
• M16: 14,271,338 km (0.1 R)
• M17: 17,036,206 km (0.077 R)
• M18: 18,209,053 km (0.117 R)
• M19: 24,481,692 km (0.119 R)
• M20: 25,804,436 km (0.054 R)
• M21: 27,523,914 km (0.063 R)
• M22: 30,431,797 km (0.088 R)
• M23: 30,998,923 km (0.058 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: 293 - 18,039 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit