🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.9

Radius: 12

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.42 AU - 0.64 AU

Year: 271 Days

Day: 14.1 Hours

Environment

Temp: -136 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,146,782 km

• M1: 149,299 km (0.06 R)
• M2: 573,708 km (0.108 R)
• M3: 950,545 km (0.112 R)
• M4: 1,331,870 km (0.07 R)
• M5: 1,759,271 km (0.103 R)
• M6: 2,179,192 km (0.118 R)
• M7: 2,719,091 km (0.05 R)
• M8: 3,296,239 km (0.103 R)
• M9: 3,885,655 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.7

Radius: 8.9

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.42 AU - 0.68 AU

Year: 287 Days

Day: 7.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,146,782 km

• M1: 110,702 km (0.086 R)
• M2: 389,403 km (0.106 R)
• M3: 673,190 km (0.108 R)
• M4: 1,389,764 km (0.118 R)
• M5: 1,674,449 km (0.087 R)
• M6: 2,005,509 km (0.111 R)
• M7: 2,729,712 km (0.117 R)
• M8: 3,016,342 km (0.094 R)
• M9: 3,416,217 km (0.086 R)
• M10: 3,862,467 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.1

Radius: 13.7

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.75 AU - 1.23 AU

Year: 692 Days

Day: 7.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,146,782 km

• M1: 170,542 km (0.069 R)
• M2: 611,406 km (0.043 R)
• M3: 1,159,683 km (0.111 R)
• M4: 1,670,260 km (0.092 R)
• M5: 2,361,851 km (0.091 R)
• M6: 2,912,820 km (0.112 R)
• M7: 3,339,922 km (0.092 R)
• M8: 4,307,521 km (0.08 R)
• M9: 5,171,598 km (0.104 R)
• M10: 6,089,980 km (0.033 R)
• M11: 6,609,084 km (0.057 R)
• M12: 7,244,726 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.7

Radius: 9.7

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.5 AU - 1.8 AU

Year: 1490 Days

Day: 12.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 56,146,782 km

• M1: 120,725 km (0.089 R)
• M2: 548,426 km (0.06 R)
• M3: 1,061,247 km (0.113 R)
• M4: 1,409,362 km (0.063 R)
• M5: 3,581,822 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.5

Radius: 11.9

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.91 AU - 2.23 AU

Year: 2093 Days

Day: 12.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,146,782 km

• M1: 154,385 km (0.06 R)
• M2: 571,314 km (0.051 R)
• M3: 2,377,110 km (0.062 R)
• M4: 4,658,926 km (0.092 R)
• M5: 5,137,640 km (0.047 R)
• M6: 5,518,067 km (0.072 R)
• M7: 6,264,860 km (0.098 R)
• M8: 7,052,044 km (0.102 R)
• M9: 8,734,571 km (0.094 R)
• M10: 9,278,658 km (0.03 R)
• M11: 10,434,751 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.3

Radius: 15

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.58 AU - 4.14 AU

Year: 5331 Days

Day: 8.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,146,782 km

• M1: 186,549 km (0.081 R)
• M2: 961,615 km (0.079 R)
• M3: 1,627,924 km (0.072 R)
• M4: 2,480,781 km (0.098 R)
• M5: 3,471,119 km (0.075 R)
• M6: 3,967,336 km (0.072 R)
• M7: 5,131,805 km (0.074 R)
• M8: 6,108,679 km (0.096 R)
• M9: 7,984,338 km (0.063 R)
• M10: 8,817,897 km (0.11 R)
• M11: 10,262,863 km (0.099 R)
• M12: 10,973,901 km (0.079 R)
• M13: 12,248,176 km (0.091 R)
• M14: 12,794,807 km (0.093 R)
• M15: 16,010,563 km (0.117 R)
• M16: 17,398,980 km (0.063 R)
• M17: 18,090,721 km (0.087 R)
• M18: 23,534,587 km (0.098 R)
• M19: 24,303,371 km (0.072 R)
• M20: 26,959,930 km (0.081 R)
• M21: 27,463,028 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 891.1

Radius: 7.1

Gravity: 17.68 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 4.79 AU - 7.81 AU

Year: 11115 Days

Day: 16 Hours

Environment

Temp: -235 °C

Axial Tilt: 139.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 56,146,782 km

• M1: 88,263 km (0.053 R)
• M2: 388,805 km (0.099 R)
• M3: 985,401 km (0.043 R)
• M4: 1,332,169 km (0.056 R)
• M5: 1,694,495 km (0.106 R)
• M6: 2,725,673 km (0.095 R)
• M7: 3,115,974 km (0.082 R)
• M8: 4,271,318 km (0.097 R)
• M9: 5,028,284 km (0.03 R)
• M10: 5,403,625 km (0.087 R)
• M11: 6,365,689 km (0.11 R)
• M12: 11,253,799 km (0.1 R)
• M13: 14,306,792 km (0.111 R)
• M14: 17,949,201 km (0.094 R)
• M15: 18,826,144 km (0.069 R)
• M16: 24,214,061 km (0.098 R)
• M17: 25,481,903 km (0.065 R)
• M18: 29,114,289 km (0.088 R)
• M19: 30,212,337 km (0.094 R)
• M20: 32,841,969 km (0.036 R)
• M21: 36,370,234 km (0.106 R)
• M22: 39,741,123 km (0.117 R)
• M23: 41,777,749 km (0.074 R)
• M24: 42,332,308 km (0.119 R)
• M25: 43,314,717 km (0.114 R)
• M26: 45,617,178 km (0.102 R)
• M27: 46,205,247 km (0.058 R)
• M28: 47,396,495 km (0.098 R)
• M29: 50,151,639 km (0.084 R)
• M30: 50,935,532 km (0.099 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: 407 - 11,047 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit