🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.8

Radius: 14.1

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.94 AU - 1 AU

Year: 659 Days

Day: 9.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 41,673,086 km

• M1: 189,690 km (0.099 R)
• M2: 706,102 km (0.085 R)
• M3: 1,462,918 km (0.115 R)
• M4: 2,384,889 km (0.101 R)
• M5: 4,000,845 km (0.067 R)
• M6: 4,447,694 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.1

Radius: 12

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.31 AU - 1.7 AU

Year: 1268 Days

Day: 7 Hours

Environment

Temp: -185 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,673,086 km

• M1: 149,299 km (0.045 R)
• M2: 679,025 km (0.102 R)
• M3: 1,105,379 km (0.106 R)
• M4: 1,942,080 km (0.074 R)
• M5: 2,483,025 km (0.062 R)
• M6: 3,628,646 km (0.1 R)
• M7: 4,270,720 km (0.083 R)
• M8: 4,698,570 km (0.096 R)
• M9: 7,748,571 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.4

Radius: 9.7

Gravity: 9.77 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.56 AU - 3.08 AU

Year: 3269 Days

Day: 8.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 41,673,086 km

• M1: 120,576 km (0.109 R)
• M2: 457,171 km (0.088 R)
• M3: 1,102,088 km (0.113 R)
• M4: 1,636,152 km (0.117 R)
• M5: 2,218,686 km (0.11 R)
• M6: 2,614,971 km (0.072 R)
• M7: 3,413,375 km (0.07 R)
• M8: 5,985,411 km (0.038 R)
• M9: 7,041,273 km (0.082 R)
• M10: 8,907,057 km (0.111 R)
• M11: 9,794,173 km (0.117 R)
• M12: 10,362,196 km (0.112 R)
• M13: 10,738,883 km (0.08 R)
• M14: 11,124,696 km (0.043 R)
• M15: 11,475,503 km (0.05 R)
• M16: 12,106,956 km (0.048 R)
• M17: 12,761,446 km (0.085 R)
• M18: 13,194,532 km (0.058 R)
• M19: 14,501,120 km (0.078 R)
• M20: 15,292,942 km (0.106 R)
• M21: 17,486,794 km (0.085 R)
• M22: 18,812,830 km (0.054 R)
• M23: 19,882,455 km (0.068 R)
• M24: 21,663,866 km (0.078 R)
• M25: 24,055,637 km (0.082 R)
• M26: 24,642,958 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.4

Radius: 10.9

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.76 AU - 3.52 AU

Year: 3841 Days

Day: 8.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,673,086 km

• M1: 135,536 km (0.089 R)
• M2: 531,372 km (0.066 R)
• M3: 1,392,008 km (0.102 R)
• M4: 1,772,436 km (0.027 R)
• M5: 2,253,991 km (0.1 R)
• M6: 2,653,717 km (0.087 R)
• M7: 3,597,978 km (0.052 R)
• M8: 4,859,238 km (0.034 R)
• M9: 8,053,452 km (0.103 R)
• M10: 8,621,325 km (0.103 R)
• M11: 9,105,574 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.4

Radius: 10.3

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.31 AU - 3.45 AU

Year: 4289 Days

Day: 5 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 41,673,086 km

• M1: 128,505 km (0.111 R)
• M2: 464,352 km (0.091 R)
• M3: 857,794 km (0.11 R)
• M4: 1,212,042 km (0.12 R)
• M5: 1,575,266 km (0.08 R)
• M6: 2,065,049 km (0.104 R)
• M7: 2,466,719 km (0.117 R)
• M8: 3,725,286 km (0.078 R)
• M9: 4,081,927 km (0.068 R)
• M10: 5,112,806 km (0.1 R)
• M11: 5,501,462 km (0.1 R)
• M12: 6,021,913 km (0.103 R)
• M13: 6,879,557 km (0.106 R)
• M14: 7,952,324 km (0.082 R)
• M15: 9,170,499 km (0.088 R)
• M16: 9,706,807 km (0.032 R)
• M17: 11,053,936 km (0.101 R)
• M18: 12,755,014 km (0.112 R)
• M19: 14,419,140 km (0.101 R)
• M20: 15,677,857 km (0.061 R)
• M21: 16,725,192 km (0.095 R)
• M22: 17,995,427 km (0.082 R)
• M23: 18,593,669 km (0.097 R)
• M24: 20,662,159 km (0.113 R)
• M25: 21,718,320 km (0.069 R)
• M26: 23,866,545 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 234.1

Radius: 4.7

Gravity: 10.6 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 6.21 AU - 8.57 AU

Year: 13867 Days

Day: 21 Hours

Environment

Temp: -241 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 41,673,086 km

• M1: 58,493 km (0.101 R)
• M2: 297,101 km (0.118 R)
• M3: 507,586 km (0.086 R)
• M4: 685,607 km (0.097 R)
• M5: 877,541 km (0.051 R)
• M6: 1,042,248 km (0.119 R)
• M7: 1,310,178 km (0.042 R)
• M8: 1,842,747 km (0.076 R)
• M9: 2,782,221 km (0.114 R)
• M10: 3,054,340 km (0.064 R)
• M11: 3,344,111 km (0.116 R)
• M12: 3,555,193 km (0.1 R)
• M13: 4,660,722 km (0.091 R)
• M14: 4,864,923 km (0.096 R)
• M15: 5,229,194 km (0.11 R)
• M16: 5,909,864 km (0.096 R)
• M17: 6,289,094 km (0.04 R)
• M18: 8,052,554 km (0.119 R)
• M19: 9,928,511 km (0.092 R)
• M20: 11,225,226 km (0.082 R)
• M21: 13,375,695 km (0.069 R)
• M22: 14,952,756 km (0.095 R)
• M23: 17,335,252 km (0.103 R)
• M24: 19,959,049 km (0.117 R)
• M25: 23,853,231 km (0.082 R)
• M26: 33,101,371 km (0.097 R)
• M27: 33,639,624 km (0.109 R)
• M28: 36,418,106 km (0.05 R)
• M29: 36,876,474 km (0.09 R)
• M30: 37,338,581 km (0.077 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 165 - 11,541 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit