🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.2

Radius: 12.6

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.51 AU - 0.63 AU

Year: 287 Days

Day: 13.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,043,331 km

• M1: 156,779 km (0.104 R)
• M2: 591,510 km (0.119 R)
• M3: 1,229,994 km (0.08 R)
• M4: 1,624,184 km (0.041 R)
• M5: 2,031,539 km (0.104 R)
• M6: 2,575,926 km (0.117 R)
• M7: 3,390,337 km (0.099 R)
• M8: 3,790,361 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.7

Radius: 14.6

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.54 AU - 0.74 AU

Year: 341 Days

Day: 8.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 53,043,331 km

• M1: 182,958 km (0.055 R)
• M2: 1,291,179 km (0.061 R)
• M3: 1,980,825 km (0.05 R)
• M4: 2,607,640 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.1

Radius: 12.5

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.51 AU - 2.09 AU

Year: 1610 Days

Day: 9 Hours

Environment

Temp: -197 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 53,043,331 km

• M1: 156,479 km (0.095 R)
• M2: 622,178 km (0.048 R)
• M3: 1,309,430 km (0.056 R)
• M4: 3,248,219 km (0.089 R)
• M5: 4,189,339 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.5

Radius: 9.1

Gravity: 9.84 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.07 AU - 2.77 AU

Year: 2510 Days

Day: 11 Hours

Environment

Temp: -200 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,043,331 km

• M1: 115,938 km (0.104 R)
• M2: 491,429 km (0.104 R)
• M3: 796,609 km (0.079 R)
• M4: 1,286,990 km (0.11 R)
• M5: 1,634,058 km (0.08 R)
• M6: 1,981,274 km (0.095 R)
• M7: 2,565,304 km (0.083 R)
• M8: 3,087,999 km (0.076 R)
• M9: 3,585,861 km (0.05 R)
• M10: 4,629,755 km (0.1 R)
• M11: 6,487,760 km (0.087 R)
• M12: 8,256,306 km (0.086 R)
• M13: 11,031,796 km (0.083 R)
• M14: 12,023,779 km (0.099 R)
• M15: 12,367,406 km (0.076 R)
• M16: 12,850,457 km (0.075 R)
• M17: 13,254,970 km (0.118 R)
• M18: 14,232,143 km (0.117 R)
• M19: 14,811,536 km (0.109 R)
• M20: 19,317,723 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.9

Radius: 14.8

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.01 AU - 3.75 AU

Year: 4144 Days

Day: 7.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,043,331 km

• M1: 184,005 km (0.091 R)
• M2: 771,327 km (0.03 R)
• M3: 1,473,539 km (0.066 R)
• M4: 2,274,486 km (0.065 R)
• M5: 3,201,694 km (0.076 R)
• M6: 4,307,521 km (0.111 R)
• M7: 5,108,468 km (0.097 R)
• M8: 5,606,180 km (0.099 R)
• M9: 7,037,233 km (0.046 R)
• M10: 8,245,835 km (0.099 R)
• M11: 11,387,540 km (0.106 R)
• M12: 13,714,834 km (0.064 R)
• M13: 14,401,189 km (0.114 R)
• M14: 15,449,122 km (0.094 R)
• M15: 17,063,582 km (0.066 R)
• M16: 18,182,574 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.6

Radius: 14.4

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.12 AU - 3.96 AU

Year: 4442 Days

Day: 9 Hours

Environment

Temp: -215 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,043,331 km

• M1: 180,415 km (0.12 R)
• M2: 1,129,614 km (0.038 R)
• M3: 1,787,844 km (0.109 R)
• M4: 2,609,436 km (0.092 R)
• M5: 3,628,796 km (0.11 R)
• M6: 4,195,173 km (0.051 R)
• M7: 4,794,163 km (0.103 R)
• M8: 5,280,506 km (0.088 R)
• M9: 6,741,927 km (0.096 R)
• M10: 7,711,022 km (0.084 R)
• M11: 8,574,950 km (0.099 R)
• M12: 9,131,753 km (0.099 R)
• M13: 10,995,144 km (0.102 R)
• M14: 11,992,214 km (0.099 R)
• M15: 13,048,674 km (0.097 R)
• M16: 13,948,805 km (0.062 R)
• M17: 14,497,230 km (0.091 R)
• M18: 16,898,575 km (0.114 R)
• M19: 18,486,856 km (0.108 R)
• M20: 19,149,275 km (0.043 R)
• M21: 20,803,977 km (0.082 R)
• M22: 23,693,460 km (0.047 R)
• M23: 24,713,419 km (0.112 R)
• M24: 26,256,521 km (0.1 R)
• M25: 27,949,370 km (0.064 R)
• M26: 28,822,573 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.6

Radius: 13.1

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.77 AU - 4.49 AU

Year: 4612 Days

Day: 14.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 53,043,331 km

• M1: 169,046 km (0.111 R)
• M2: 593,604 km (0.116 R)
• M3: 1,387,670 km (0.11 R)
• M4: 1,899,893 km (0.074 R)
• M5: 3,630,441 km (0.058 R)
• M6: 4,271,917 km (0.104 R)
• M7: 5,693,845 km (0.111 R)
• M8: 6,660,546 km (0.119 R)
• M9: 7,553,196 km (0.086 R)
• M10: 8,446,595 km (0.069 R)
• M11: 9,745,852 km (0.107 R)
• M12: 10,578,065 km (0.108 R)
• M13: 12,943,507 km (0.048 R)
• M14: 13,679,678 km (0.116 R)
• M15: 15,006,611 km (0.082 R)
• M16: 16,783,684 km (0.099 R)
• M17: 19,298,574 km (0.045 R)
• M18: 19,912,823 km (0.096 R)
• M19: 21,252,622 km (0.106 R)
• M20: 21,687,951 km (0.07 R)
• M21: 23,258,729 km (0.116 R)
• M22: 23,954,658 km (0.088 R)
• M23: 25,469,337 km (0.09 R)
• M24: 26,709,653 km (0.109 R)
• M25: 29,043,230 km (0.056 R)
• M26: 29,579,688 km (0.118 R)
• M27: 30,396,642 km (0.077 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.2

Radius: 9.8

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 4.89 AU - 6.33 AU

Year: 8861 Days

Day: 11.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,043,331 km

• M1: 122,072 km (0.104 R)
• M2: 517,309 km (0.085 R)
• M3: 973,284 km (0.093 R)
• M4: 1,646,175 km (0.045 R)
• M5: 2,431,713 km (0.091 R)
• M6: 3,308,357 km (0.025 R)
• M7: 5,476,329 km (0.093 R)
• M8: 7,896,823 km (0.1 R)
• M9: 9,271,178 km (0.083 R)
• M10: 10,490,551 km (0.073 R)
• M11: 11,758,991 km (0.108 R)
• M12: 13,971,843 km (0.05 R)
• M13: 14,345,089 km (0.045 R)
• M14: 22,255,376 km (0.117 R)
• M15: 22,936,346 km (0.064 R)
• M16: 26,456,683 km (0.1 R)
• M17: 30,114,949 km (0.051 R)
• M18: 31,053,227 km (0.051 R)
• M19: 38,053,958 km (0.036 R)
• M20: 39,150,361 km (0.087 R)
• M21: 42,306,577 km (0.105 R)
• M22: 44,279,623 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 704.4

Radius: 5.7

Gravity: 21.68 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 5.05 AU - 6.49 AU

Year: 9243 Days

Day: 16 Hours

Environment

Temp: -230 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 53,043,331 km

• M1: 70,909 km (0.1 R)
• M2: 292,165 km (0.116 R)
• M3: 558,898 km (0.118 R)
• M4: 1,120,787 km (0.065 R)
• M5: 2,104,244 km (0.089 R)
• M6: 2,487,962 km (0.094 R)
• M7: 3,004,374 km (0.025 R)
• M8: 3,253,006 km (0.081 R)
• M9: 4,192,181 km (0.077 R)
• M10: 4,983,105 km (0.066 R)
• M11: 5,430,403 km (0.05 R)
• M12: 6,258,876 km (0.109 R)
• M13: 6,627,934 km (0.113 R)
• M14: 7,208,373 km (0.12 R)
• M15: 7,738,399 km (0.108 R)
• M16: 8,294,005 km (0.066 R)
• M17: 9,872,711 km (0.113 R)
• M18: 10,474,693 km (0.089 R)
• M19: 12,370,248 km (0.094 R)
• M20: 12,833,553 km (0.108 R)
• M21: 14,546,598 km (0.071 R)
• M22: 16,200,103 km (0.08 R)
• M23: 17,610,063 km (0.068 R)
• M24: 18,196,337 km (0.081 R)
• M25: 20,510,915 km (0.095 R)
• M26: 22,841,650 km (0.119 R)
• M27: 28,920,709 km (0.12 R)
• M28: 30,777,069 km (0.12 R)
• M29: 34,270,628 km (0.11 R)
• M30: 38,019,700 km (0.041 R)
• M31: 40,750,011 km (0.042 R)
• M32: 41,004,477 km (0.1 R)
• M33: 41,774,308 km (0.073 R)
• M34: 45,086,105 km (0.117 R)
• M35: 45,768,870 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 641

Radius: 7

Gravity: 13.08 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 5.26 AU - 8.5 AU

Year: 12034 Days

Day: 20.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,043,331 km

• M1: 87,066 km (0.101 R)
• M2: 504,444 km (0.106 R)
• M3: 2,150,170 km (0.06 R)
• M4: 2,947,228 km (0.091 R)
• M5: 4,095,092 km (0.111 R)
• M6: 4,446,049 km (0.068 R)
• M7: 6,907,233 km (0.075 R)
• M8: 7,404,945 km (0.026 R)
• M9: 20,267,520 km (0.069 R)
• M10: 30,148,459 km (0.074 R)
• M11: 32,038,329 km (0.036 R)
• M12: 37,671,885 km (0.087 R)
• M13: 45,204,288 km (0.098 R)
• M14: 49,472,764 km (0.078 R)
• M15: 50,695,876 km (0.118 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 458 - 13,243 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit