🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.9

Radius: 13.9

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.49 AU - 0.59 AU

Year: 274 Days

Day: 11.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 42,627,106 km

• M1: 172,935 km (0.076 R)
• M2: 624,272 km (0.109 R)
• M3: 1,183,319 km (0.079 R)
• M4: 1,672,803 km (0.104 R)
• M5: 2,343,750 km (0.098 R)
• M6: 3,331,844 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.8

Radius: 11.9

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.18 AU - 1.84 AU

Year: 1281 Days

Day: 14.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,627,106 km

• M1: 147,952 km (0.099 R)
• M2: 588,817 km (0.091 R)
• M3: 1,066,932 km (0.06 R)
• M4: 1,770,341 km (0.07 R)
• M5: 2,182,035 km (0.079 R)
• M6: 2,934,063 km (0.097 R)
• M7: 3,377,920 km (0.106 R)
• M8: 3,957,761 km (0.117 R)
• M9: 4,757,811 km (0.098 R)
• M10: 5,584,638 km (0.075 R)
• M11: 6,334,273 km (0.076 R)
• M12: 6,900,202 km (0.111 R)
• M13: 7,910,287 km (0.11 R)
• M14: 8,856,194 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.5

Radius: 9.1

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.54 AU - 1.7 AU

Year: 1423 Days

Day: 10 Hours

Environment

Temp: -184 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 42,627,106 km

• M1: 113,545 km (0.085 R)
• M2: 1,184,666 km (0.064 R)
• M3: 2,829,494 km (0.087 R)
• M4: 3,574,192 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747

Radius: 9.3

Gravity: 8.64 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.42 AU - 2.06 AU

Year: 1584 Days

Day: 8 Hours

Environment

Temp: -207 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 42,627,106 km

• M1: 115,639 km (0.062 R)
• M2: 465,100 km (0.091 R)
• M3: 773,122 km (0.057 R)
• M4: 1,162,226 km (0.114 R)
• M5: 1,680,732 km (0.12 R)
• M6: 1,994,289 km (0.097 R)
• M7: 2,435,304 km (0.105 R)
• M8: 2,797,480 km (0.081 R)
• M9: 3,257,643 km (0.115 R)
• M10: 3,647,794 km (0.075 R)
• M11: 4,367,959 km (0.094 R)
• M12: 4,741,804 km (0.118 R)
• M13: 5,353,659 km (0.103 R)
• M14: 5,713,143 km (0.069 R)
• M15: 6,040,912 km (0.054 R)
• M16: 6,356,563 km (0.111 R)
• M17: 7,074,035 km (0.105 R)
• M18: 7,844,464 km (0.091 R)
• M19: 8,309,264 km (0.064 R)
• M20: 8,669,795 km (0.071 R)
• M21: 9,166,759 km (0.043 R)
• M22: 11,420,301 km (0.112 R)
• M23: 13,685,512 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.4

Radius: 12.1

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.17 AU - 3.41 AU

Year: 3217 Days

Day: 6.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,627,106 km

• M1: 150,495 km (0.059 R)
• M2: 580,141 km (0.054 R)
• M3: 1,012,030 km (0.053 R)
• M4: 1,537,417 km (0.111 R)
• M5: 1,919,939 km (0.083 R)
• M6: 2,438,595 km (0.096 R)
• M7: 2,932,866 km (0.109 R)
• M8: 3,365,055 km (0.071 R)
• M9: 3,919,913 km (0.09 R)
• M10: 4,337,590 km (0.072 R)
• M11: 7,194,461 km (0.106 R)
• M12: 7,791,655 km (0.112 R)
• M13: 8,524,236 km (0.058 R)
• M14: 9,193,388 km (0.078 R)
• M15: 10,281,862 km (0.104 R)
• M16: 10,756,685 km (0.08 R)
• M17: 13,077,397 km (0.079 R)
• M18: 14,600,603 km (0.083 R)
• M19: 14,999,131 km (0.042 R)
• M20: 15,610,687 km (0.085 R)
• M21: 16,666,848 km (0.082 R)
• M22: 17,489,786 km (0.067 R)
• M23: 19,999,291 km (0.106 R)
• M24: 20,803,080 km (0.082 R)
• M25: 21,308,272 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.1

Radius: 13.8

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.7 AU - 2.98 AU

Year: 3304 Days

Day: 13.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,627,106 km

• M1: 178,470 km (0.1 R)
• M2: 768,185 km (0.037 R)
• M3: 1,454,690 km (0.107 R)
• M4: 1,945,072 km (0.112 R)
• M5: 2,388,779 km (0.112 R)
• M6: 2,884,845 km (0.116 R)
• M7: 3,486,378 km (0.06 R)
• M8: 5,085,580 km (0.059 R)
• M9: 5,758,172 km (0.099 R)
• M10: 8,337,389 km (0.11 R)
• M11: 9,565,587 km (0.075 R)
• M12: 10,013,333 km (0.071 R)
• M13: 10,831,035 km (0.11 R)
• M14: 11,276,687 km (0.088 R)
• M15: 14,456,241 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.1

Radius: 12.6

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.44 AU - 4.34 AU

Year: 5296 Days

Day: 9.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 42,627,106 km

• M1: 264,788 km (0.1 R)
• M2: 1,028,485 km (0.102 R)
• M3: 2,294,532 km (0.074 R)
• M4: 2,787,158 km (0.085 R)
• M5: 3,366,999 km (0.111 R)
• M6: 4,277,602 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.5

Radius: 12

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.46 AU - 4.74 AU

Year: 6810 Days

Day: 7.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,627,106 km

• M1: 156,180 km (0.088 R)
• M2: 624,422 km (0.035 R)
• M3: 1,073,514 km (0.064 R)
• M4: 1,786,498 km (0.093 R)
• M5: 2,331,034 km (0.095 R)
• M6: 3,462,144 km (0.09 R)
• M7: 4,294,955 km (0.077 R)
• M8: 6,329,785 km (0.101 R)
• M9: 7,122,803 km (0.031 R)
• M10: 9,009,681 km (0.102 R)
• M11: 10,970,909 km (0.038 R)
• M12: 11,492,408 km (0.045 R)
• M13: 16,487,780 km (0.117 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.2

Radius: 8.9

Gravity: 8.57 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.94 AU - 5.66 AU

Year: 8422 Days

Day: 14.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,627,106 km

• M1: 111,899 km (0.071 R)
• M2: 411,544 km (0.119 R)
• M3: 735,872 km (0.051 R)
• M4: 1,258,567 km (0.062 R)
• M5: 2,045,152 km (0.079 R)
• M6: 5,143,324 km (0.063 R)
• M7: 5,918,092 km (0.108 R)
• M8: 8,025,926 km (0.048 R)
• M9: 10,000,318 km (0.079 R)
• M10: 12,557,544 km (0.076 R)
• M11: 14,819,165 km (0.086 R)
• M12: 16,379,920 km (0.053 R)
• M13: 17,620,236 km (0.12 R)
• M14: 18,627,478 km (0.096 R)
• M15: 20,520,639 km (0.07 R)
• M16: 27,059,263 km (0.05 R)
• M17: 29,681,115 km (0.098 R)
• M18: 35,876,861 km (0.045 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 200 - 16,857 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit