🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447

Radius: 13

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.52 AU - 0.76 AU

Year: 353 Days

Day: 9.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,678,843 km

• M1: 161,715 km (0.108 R)
• M2: 654,042 km (0.09 R)
• M3: 1,122,134 km (0.04 R)
• M4: 1,567,187 km (0.043 R)
• M5: 2,101,401 km (0.104 R)
• M6: 2,549,896 km (0.097 R)
• M7: 2,993,753 km (0.105 R)
• M8: 3,815,344 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847

Radius: 11.8

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.56 AU - 0.76 AU

Year: 370 Days

Day: 5 Hours

Environment

Temp: -147 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,678,843 km

• M1: 146,905 km (0.092 R)
• M2: 536,009 km (0.059 R)
• M3: 1,038,060 km (0.083 R)
• M4: 1,441,675 km (0.109 R)
• M5: 2,207,317 km (0.054 R)
• M6: 2,580,862 km (0.099 R)
• M7: 3,149,334 km (0.112 R)
• M8: 3,589,751 km (0.047 R)
• M9: 4,481,653 km (0.047 R)
• M10: 4,889,606 km (0.067 R)
• M11: 5,581,197 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.5

Radius: 11.2

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.75 AU - 1.77 AU

Year: 1612 Days

Day: 9.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,678,843 km

• M1: 139,276 km (0.107 R)
• M2: 547,678 km (0.079 R)
• M3: 926,011 km (0.12 R)
• M4: 1,389,914 km (0.11 R)
• M5: 1,824,496 km (0.082 R)
• M6: 3,200,796 km (0.047 R)
• M7: 3,740,844 km (0.08 R)
• M8: 4,837,397 km (0.069 R)
• M9: 5,218,273 km (0.115 R)
• M10: 5,921,233 km (0.114 R)
• M11: 7,941,403 km (0.091 R)
• M12: 10,246,706 km (0.057 R)
• M13: 10,949,218 km (0.093 R)
• M14: 11,534,145 km (0.109 R)
• M15: 12,528,822 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.4

Radius: 14.5

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.48 AU - 2.44 AU

Year: 1894 Days

Day: 8.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,678,843 km

• M1: 180,265 km (0.07 R)
• M2: 746,643 km (0.058 R)
• M3: 1,302,100 km (0.041 R)
• M4: 2,663,291 km (0.092 R)
• M5: 3,338,426 km (0.119 R)
• M6: 4,290,467 km (0.106 R)
• M7: 5,035,016 km (0.089 R)
• M8: 5,795,571 km (0.057 R)
• M9: 6,482,973 km (0.097 R)
• M10: 6,962,435 km (0.066 R)
• M11: 8,575,100 km (0.087 R)
• M12: 9,726,854 km (0.097 R)
• M13: 10,493,393 km (0.057 R)
• M14: 11,299,875 km (0.114 R)
• M15: 13,315,856 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.5

Radius: 13.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.19 AU - 2.51 AU

Year: 2487 Days

Day: 14.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,678,843 km

• M1: 164,558 km (0.052 R)
• M2: 900,878 km (0.12 R)
• M3: 1,620,594 km (0.09 R)
• M4: 2,346,592 km (0.087 R)
• M5: 3,149,933 km (0.075 R)
• M6: 3,776,897 km (0.11 R)
• M7: 4,615,693 km (0.085 R)
• M8: 5,039,952 km (0.03 R)
• M9: 5,511,485 km (0.071 R)
• M10: 6,687,474 km (0.075 R)
• M11: 7,727,777 km (0.109 R)
• M12: 8,843,927 km (0.091 R)
• M13: 9,718,326 km (0.031 R)
• M14: 10,815,926 km (0.099 R)
• M15: 11,291,198 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.8

Radius: 10.6

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.57 AU - 3.55 AU

Year: 3695 Days

Day: 7 Hours

Environment

Temp: -208 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,678,843 km

• M1: 132,843 km (0.082 R)
• M2: 696,976 km (0.099 R)
• M3: 1,182,870 km (0.113 R)
• M4: 1,675,945 km (0.06 R)
• M5: 2,344,049 km (0.081 R)
• M6: 2,919,253 km (0.118 R)
• M7: 3,388,541 km (0.113 R)
• M8: 4,415,531 km (0.111 R)
• M9: 4,966,799 km (0.091 R)
• M10: 6,900,501 km (0.027 R)
• M11: 7,521,781 km (0.09 R)
• M12: 8,573,005 km (0.053 R)
• M13: 9,326,380 km (0.066 R)
• M14: 9,901,733 km (0.096 R)
• M15: 12,019,441 km (0.11 R)
• M16: 12,399,719 km (0.114 R)
• M17: 12,744,392 km (0.059 R)
• M18: 13,453,187 km (0.1 R)
• M19: 14,613,019 km (0.062 R)
• M20: 16,553,453 km (0.114 R)
• M21: 17,558,601 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 897.9

Radius: 3.7

Gravity: 65.59 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 6.67 AU - 10.93 AU

Year: 18019 Days

Day: 18.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 77,678,843 km

• M1: 46,375 km (0.051 R)
• M2: 201,359 km (0.105 R)
• M3: 394,789 km (0.098 R)
• M4: 578,495 km (0.116 R)
• M5: 734,526 km (0.105 R)
• M6: 1,187,657 km (0.044 R)
• M7: 1,426,266 km (0.107 R)
• M8: 1,660,536 km (0.073 R)
• M9: 1,824,346 km (0.1 R)
• M10: 2,314,279 km (0.117 R)
• M11: 2,662,094 km (0.109 R)
• M12: 2,886,940 km (0.085 R)
• M13: 3,233,857 km (0.111 R)
• M14: 3,489,969 km (0.054 R)
• M15: 3,978,406 km (0.116 R)
• M16: 4,172,733 km (0.066 R)
• M17: 4,580,687 km (0.11 R)
• M18: 4,867,017 km (0.116 R)
• M19: 5,963,570 km (0.112 R)
• M20: 6,348,485 km (0.039 R)
• M21: 6,614,171 km (0.08 R)
• M22: 12,406,750 km (0.07 R)
• M23: 13,461,714 km (0.061 R)
• M24: 16,814,651 km (0.059 R)
• M25: 23,921,747 km (0.073 R)
• M26: 26,107,521 km (0.078 R)
• M27: 27,248,803 km (0.108 R)
• M28: 30,122,578 km (0.115 R)
• M29: 48,738,986 km (0.105 R)
• M30: 51,875,904 km (0.114 R)
• M31: 52,770,499 km (0.118 R)
• M32: 63,299,796 km (0.068 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: 253 - 19,735 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit