🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.6

Radius: 8.5

Gravity: 11.94 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.52 AU - 0.68 AU

Year: 310 Days

Day: 12.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 4,944,968 km

• M1: 106,962 km (0.095 R)
• M2: 163,361 km (0.045 R)
• M3: 229,633 km (0.089 R)
• M4: 293,212 km (0.09 R)
• M5: 367,712 km (0.061 R)
• M6: 446,998 km (0.117 R)
• M7: 523,144 km (0.081 R)
• M8: 646,562 km (0.08 R)
• M9: 734,675 km (0.062 R)
• M10: 799,601 km (0.089 R)
• M11: 935,735 km (0.085 R)
• M12: 1,084,136 km (0.089 R)
• M13: 1,159,084 km (0.102 R)
• M14: 1,240,466 km (0.071 R)
• M15: 1,337,854 km (0.114 R)
• M16: 1,501,215 km (0.098 R)
• M17: 1,635,703 km (0.09 R)
• M18: 1,815,969 km (0.051 R)
• M19: 2,008,202 km (0.104 R)
• M20: 2,106,936 km (0.116 R)
• M21: 2,184,877 km (0.026 R)
• M22: 2,366,489 km (0.115 R)
• M23: 2,482,726 km (0.114 R)
• M24: 2,541,369 km (0.093 R)
• M25: 2,666,432 km (0.077 R)
• M26: 2,860,910 km (0.109 R)
• M27: 2,922,544 km (0.075 R)
• M28: 2,984,777 km (0.045 R)
• M29: 3,060,024 km (0.05 R)
• M30: 3,154,869 km (0.067 R)
• M31: 3,328,253 km (0.041 R)
• M32: 3,393,329 km (0.074 R)
• M33: 3,485,032 km (0.116 R)
• M34: 3,630,890 km (0.089 R)
• M35: 3,691,178 km (0.091 R)
• M36: 3,785,574 km (0.092 R)
• M37: 3,901,363 km (0.098 R)
• M38: 3,969,879 km (0.101 R)
• M39: 4,312,159 km (0.105 R)
• M40: 4,390,249 km (0.114 R)
• M41: 4,468,788 km (0.092 R)
• M42: 4,649,352 km (0.119 R)
• M43: 4,883,772 km (0.109 R)
• M44: 4,972,633 km (0.11 R)
• M45: 5,054,762 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.7

Radius: 13.2

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.55 AU - 0.67 AU

Year: 318 Days

Day: 8.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 4,944,968 km

• M1: 168,896 km (0.05 R)
• M2: 299,196 km (0.061 R)
• M3: 399,127 km (0.058 R)
• M4: 543,938 km (0.094 R)
• M5: 637,137 km (0.099 R)
• M6: 723,605 km (0.113 R)
• M7: 843,134 km (0.035 R)
• M8: 958,025 km (0.039 R)
• M9: 1,041,052 km (0.049 R)
• M10: 1,185,264 km (0.047 R)
• M11: 1,282,054 km (0.103 R)
• M12: 1,399,189 km (0.097 R)
• M13: 1,498,522 km (0.105 R)
• M14: 1,604,138 km (0.088 R)
• M15: 1,697,188 km (0.062 R)
• M16: 1,780,663 km (0.116 R)
• M17: 1,904,830 km (0.042 R)
• M18: 1,995,935 km (0.098 R)
• M19: 2,125,187 km (0.077 R)
• M20: 2,215,844 km (0.118 R)
• M21: 2,299,319 km (0.08 R)
• M22: 2,430,965 km (0.078 R)
• M23: 2,648,630 km (0.11 R)
• M24: 2,741,979 km (0.085 R)
• M25: 2,845,651 km (0.118 R)
• M26: 2,950,668 km (0.103 R)
• M27: 3,183,443 km (0.098 R)
• M28: 3,330,797 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.1

Radius: 8

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.59 AU - 0.63 AU

Year: 318 Days

Day: 11.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 4,944,968 km

• M1: 113,694 km (0.104 R)
• M2: 181,612 km (0.081 R)
• M3: 253,568 km (0.087 R)
• M4: 319,840 km (0.081 R)
• M5: 382,522 km (0.098 R)
• M6: 488,736 km (0.092 R)
• M7: 565,630 km (0.03 R)
• M8: 649,255 km (0.111 R)
• M9: 703,559 km (0.104 R)
• M10: 764,445 km (0.07 R)
• M11: 842,535 km (0.04 R)
• M12: 920,924 km (0.116 R)
• M13: 977,323 km (0.1 R)
• M14: 1,037,760 km (0.078 R)
• M15: 1,091,017 km (0.096 R)
• M16: 1,142,329 km (0.075 R)
• M17: 1,212,042 km (0.11 R)
• M18: 1,262,456 km (0.068 R)
• M19: 1,316,461 km (0.056 R)
• M20: 1,430,156 km (0.119 R)
• M21: 1,483,562 km (0.119 R)
• M22: 1,615,208 km (0.044 R)
• M23: 1,694,046 km (0.027 R)
• M24: 1,767,499 km (0.092 R)
• M25: 1,821,504 km (0.079 R)
• M26: 1,879,548 km (0.062 R)
• M27: 2,157,949 km (0.086 R)
• M28: 2,285,407 km (0.092 R)
• M29: 2,419,297 km (0.082 R)
• M30: 2,532,692 km (0.093 R)
• M31: 2,582,508 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.8

Radius: 11.9

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.64 AU - 0.72 AU

Year: 374 Days

Day: 9.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 4,944,968 km

• M1: 150,346 km (0.038 R)
• M2: 275,559 km (0.081 R)
• M3: 362,476 km (0.115 R)
• M4: 472,131 km (0.101 R)
• M5: 647,011 km (0.053 R)
• M6: 732,431 km (0.112 R)
• M7: 868,864 km (0.062 R)
• M8: 972,985 km (0.104 R)
• M9: 1,077,553 km (0.085 R)
• M10: 1,217,278 km (0.1 R)
• M11: 1,312,572 km (0.093 R)
• M12: 1,415,046 km (0.108 R)
• M13: 1,564,495 km (0.117 R)
• M14: 1,658,741 km (0.12 R)
• M15: 1,780,514 km (0.071 R)
• M16: 1,858,305 km (0.115 R)
• M17: 2,060,711 km (0.032 R)
• M18: 2,304,256 km (0.105 R)
• M19: 2,458,491 km (0.067 R)
• M20: 2,551,392 km (0.054 R)
• M21: 2,687,376 km (0.097 R)
• M22: 2,783,268 km (0.099 R)
• M23: 2,868,240 km (0.025 R)
• M24: 2,984,926 km (0.1 R)
• M25: 3,065,709 km (0.114 R)
• M26: 3,210,520 km (0.093 R)
• M27: 3,338,276 km (0.08 R)
• M28: 3,454,664 km (0.101 R)
• M29: 3,698,508 km (0.072 R)
• M30: 3,825,816 km (0.098 R)
• M31: 3,927,542 km (0.101 R)
• M32: 4,085,069 km (0.088 R)
• M33: 4,168,245 km (0.082 R)
• M34: 4,307,970 km (0.117 R)
• M35: 4,420,916 km (0.069 R)
• M36: 4,506,187 km (0.107 R)
• M37: 4,613,748 km (0.119 R)
• M38: 4,780,250 km (0.099 R)
• M39: 4,875,245 km (0.041 R)
• M40: 4,978,318 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.6

Radius: 13.3

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.91 AU - 1.43 AU

Year: 844 Days

Day: 10.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 4,944,968 km

• M1: 172,486 km (0.072 R)
• M2: 265,536 km (0.056 R)
• M3: 356,641 km (0.12 R)
• M4: 497,413 km (0.106 R)
• M5: 589,715 km (0.065 R)
• M6: 682,316 km (0.1 R)
• M7: 777,311 km (0.108 R)
• M8: 873,502 km (0.092 R)
• M9: 1,100,442 km (0.104 R)
• M10: 1,223,711 km (0.113 R)
• M11: 1,324,988 km (0.109 R)
• M12: 1,612,964 km (0.096 R)
• M13: 1,700,479 km (0.111 R)
• M14: 1,824,944 km (0.092 R)
• M15: 2,040,964 km (0.088 R)
• M16: 2,157,650 km (0.115 R)
• M17: 2,276,580 km (0.108 R)
• M18: 2,436,949 km (0.091 R)
• M19: 2,757,388 km (0.116 R)
• M20: 2,916,710 km (0.072 R)
• M21: 3,006,768 km (0.113 R)
• M22: 3,121,958 km (0.103 R)
• M23: 3,572,547 km (0.114 R)
• M24: 3,818,785 km (0.081 R)
• M25: 4,030,615 km (0.092 R)
• M26: 4,198,763 km (0.114 R)
• M27: 4,300,789 km (0.107 R)
• M28: 4,389,950 km (0.079 R)
• M29: 4,577,096 km (0.11 R)
• M30: 4,802,241 km (0.093 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 14,505 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit