🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.9

Radius: 14.9

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.89 AU - 0.91 AU

Year: 551 Days

Day: 14.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 71.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,017,690 km

• M1: 185,352 km (0.075 R)
• M2: 904,020 km (0.098 R)
• M3: 1,757,625 km (0.108 R)
• M4: 2,280,919 km (0.072 R)
• M5: 2,963,534 km (0.086 R)
• M6: 4,866,718 km (0.042 R)
• M7: 5,637,297 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243

Radius: 13.3

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.04 AU - 1.28 AU

Year: 807 Days

Day: 11.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,017,690 km

• M1: 165,754 km (0.076 R)
• M2: 765,941 km (0.085 R)
• M3: 1,186,311 km (0.106 R)
• M4: 2,645,190 km (0.031 R)
• M5: 3,149,783 km (0.112 R)
• M6: 3,887,749 km (0.114 R)
• M7: 6,043,455 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391

Radius: 9.8

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.9 AU - 1.46 AU

Year: 828 Days

Day: 9.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,017,690 km

• M1: 121,922 km (0.112 R)
• M2: 432,338 km (0.117 R)
• M3: 1,067,381 km (0.073 R)
• M4: 1,594,115 km (0.109 R)
• M5: 1,979,629 km (0.09 R)
• M6: 2,670,172 km (0.048 R)
• M7: 3,331,993 km (0.07 R)
• M8: 6,136,355 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.4

Radius: 9

Gravity: 12.08 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.15 AU - 1.39 AU

Year: 924 Days

Day: 8 Hours

Environment

Temp: -162 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 22,017,690 km

• M1: 115,340 km (0.06 R)
• M2: 434,133 km (0.112 R)
• M3: 944,411 km (0.118 R)
• M4: 1,621,192 km (0.102 R)
• M5: 2,603,153 km (0.117 R)
• M6: 3,209,323 km (0.117 R)
• M7: 4,120,973 km (0.049 R)
• M8: 4,793,714 km (0.093 R)
• M9: 5,830,727 km (0.062 R)
• M10: 6,819,269 km (0.097 R)
• M11: 7,889,642 km (0.066 R)
• M12: 8,533,661 km (0.065 R)
• M13: 9,654,598 km (0.107 R)
• M14: 10,203,772 km (0.065 R)
• M15: 10,486,212 km (0.043 R)
• M16: 10,968,366 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.2

Radius: 11.9

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.49 AU - 1.81 AU

Year: 1368 Days

Day: 6.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,017,690 km

• M1: 160,818 km (0.111 R)
• M2: 658,679 km (0.084 R)
• M3: 1,047,185 km (0.081 R)
• M4: 1,490,294 km (0.057 R)
• M5: 1,901,838 km (0.113 R)
• M6: 2,283,462 km (0.06 R)
• M7: 2,743,176 km (0.117 R)
• M8: 3,117,320 km (0.047 R)
• M9: 3,637,472 km (0.065 R)
• M10: 4,250,973 km (0.083 R)
• M11: 6,394,112 km (0.09 R)
• M12: 8,182,854 km (0.081 R)
• M13: 8,729,185 km (0.102 R)
• M14: 10,750,701 km (0.055 R)
• M15: 12,384,759 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.3

Radius: 11.7

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.9 AU - 3.68 AU

Year: 3853 Days

Day: 11 Hours

Environment

Temp: -211 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 22,017,690 km

• M1: 145,559 km (0.106 R)
• M2: 623,823 km (0.094 R)
• M3: 1,073,514 km (0.118 R)
• M4: 1,499,270 km (0.108 R)
• M5: 2,398,652 km (0.1 R)
• M6: 2,834,580 km (0.1 R)
• M7: 3,549,957 km (0.094 R)
• M8: 4,249,477 km (0.101 R)
• M9: 5,263,451 km (0.107 R)
• M10: 5,706,411 km (0.101 R)
• M11: 6,461,132 km (0.106 R)
• M12: 7,312,942 km (0.032 R)
• M13: 9,239,763 km (0.084 R)
• M14: 9,808,684 km (0.096 R)
• M15: 12,053,100 km (0.087 R)
• M16: 12,549,167 km (0.095 R)
• M17: 13,486,098 km (0.073 R)
• M18: 14,169,312 km (0.108 R)
• M19: 17,590,166 km (0.054 R)
• M20: 18,643,485 km (0.098 R)
• M21: 20,619,523 km (0.114 R)
• M22: 21,004,887 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.9

Radius: 11.7

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.64 AU - 5.94 AU

Year: 6769 Days

Day: 14 Hours

Environment

Temp: -223 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,017,690 km

• M1: 145,559 km (0.078 R)
• M2: 512,522 km (0.098 R)
• M3: 1,754,484 km (0.099 R)
• M4: 2,687,376 km (0.096 R)
• M5: 5,013,025 km (0.05 R)
• M6: 6,263,663 km (0.062 R)
• M7: 6,872,227 km (0.058 R)
• M8: 7,330,744 km (0.113 R)
• M9: 10,326,591 km (0.085 R)
• M10: 11,176,906 km (0.106 R)
• M11: 12,516,555 km (0.071 R)
• M12: 13,342,185 km (0.106 R)
• M13: 17,456,276 km (0.058 R)
• M14: 19,016,881 km (0.082 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 490 - 15,409 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit