🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.8

Radius: 9.1

Gravity: 8.8 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.44 AU - 0.7 AU

Year: 287 Days

Day: 14.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,585,802 km

• M1: 113,096 km (0.098 R)
• M2: 403,765 km (0.1 R)
• M3: 710,141 km (0.057 R)
• M4: 1,027,289 km (0.044 R)
• M5: 1,667,418 km (0.061 R)
• M6: 2,092,425 km (0.113 R)
• M7: 2,570,690 km (0.052 R)
• M8: 2,938,850 km (0.036 R)
• M9: 3,298,932 km (0.114 R)
• M10: 3,596,632 km (0.098 R)
• M11: 4,480,157 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.2

Radius: 11.4

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.59 AU - 0.69 AU

Year: 341 Days

Day: 13.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 36,585,802 km

• M1: 143,464 km (0.065 R)
• M2: 559,047 km (0.118 R)
• M3: 1,042,996 km (0.073 R)
• M4: 1,452,745 km (0.069 R)
• M5: 2,264,762 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.2

Radius: 11.4

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.86 AU - 1.42 AU

Year: 812 Days

Day: 14.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,585,802 km

• M1: 141,819 km (0.067 R)
• M2: 501,602 km (0.067 R)
• M3: 861,085 km (0.035 R)
• M4: 1,534,725 km (0.078 R)
• M5: 1,990,100 km (0.072 R)
• M6: 2,615,719 km (0.098 R)
• M7: 3,714,366 km (0.104 R)
• M8: 4,131,444 km (0.073 R)
• M9: 4,649,053 km (0.055 R)
• M10: 5,190,897 km (0.112 R)
• M11: 5,555,467 km (0.101 R)
• M12: 6,553,883 km (0.108 R)
• M13: 8,066,317 km (0.106 R)
• M14: 8,931,591 km (0.048 R)
• M15: 9,684,667 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.6

Radius: 9.4

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.4 AU - 1.48 AU

Year: 1152 Days

Day: 9.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,585,802 km

• M1: 116,836 km (0.034 R)
• M2: 424,110 km (0.045 R)
• M3: 742,903 km (0.098 R)
• M4: 1,050,476 km (0.088 R)
• M5: 1,741,020 km (0.117 R)
• M6: 2,150,170 km (0.098 R)
• M7: 2,457,893 km (0.12 R)
• M8: 2,871,681 km (0.085 R)
• M9: 3,302,971 km (0.084 R)
• M10: 3,982,595 km (0.075 R)
• M11: 4,450,686 km (0.065 R)
• M12: 5,049,078 km (0.084 R)
• M13: 6,014,134 km (0.051 R)
• M14: 6,815,380 km (0.104 R)
• M15: 7,121,607 km (0.099 R)
• M16: 7,711,172 km (0.088 R)
• M17: 8,738,161 km (0.103 R)
• M18: 9,327,726 km (0.099 R)
• M19: 9,824,242 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.3

Radius: 13.9

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.5 AU - 1.6 AU

Year: 1287 Days

Day: 7.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,585,802 km

• M1: 172,935 km (0.113 R)
• M2: 659,427 km (0.117 R)
• M3: 1,499,270 km (0.096 R)
• M4: 1,958,236 km (0.075 R)
• M5: 3,672,329 km (0.112 R)
• M6: 5,100,988 km (0.118 R)
• M7: 5,614,707 km (0.037 R)
• M8: 6,305,700 km (0.118 R)
• M9: 6,747,163 km (0.114 R)
• M10: 7,183,091 km (0.06 R)
• M11: 8,111,645 km (0.099 R)
• M12: 9,814,219 km (0.093 R)
• M13: 10,375,360 km (0.088 R)
• M14: 11,418,057 km (0.092 R)
• M15: 12,039,188 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.6

Radius: 11.3

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.49 AU - 4.15 AU

Year: 4979 Days

Day: 12.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,585,802 km

• M1: 140,472 km (0.087 R)
• M2: 492,476 km (0.038 R)
• M3: 1,144,424 km (0.095 R)
• M4: 2,101,102 km (0.066 R)
• M5: 2,823,809 km (0.065 R)
• M6: 4,222,549 km (0.093 R)
• M7: 6,326,195 km (0.086 R)
• M8: 7,423,495 km (0.059 R)
• M9: 10,260,320 km (0.089 R)
• M10: 10,671,265 km (0.112 R)
• M11: 12,272,561 km (0.11 R)
• M12: 14,364,986 km (0.091 R)
• M13: 14,879,752 km (0.07 R)
• M14: 21,017,005 km (0.115 R)
• M15: 23,519,628 km (0.06 R)
• M16: 31,439,489 km (0.048 R)
• M17: 32,895,674 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.3

Radius: 8.3

Gravity: 11.28 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.8 AU - 5.1 AU

Year: 6260 Days

Day: 8.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,585,802 km

• M1: 103,522 km (0.06 R)
• M2: 386,411 km (0.114 R)
• M3: 715,227 km (0.1 R)
• M4: 1,721,722 km (0.105 R)
• M5: 4,914,290 km (0.046 R)
• M6: 5,173,992 km (0.091 R)
• M7: 5,976,585 km (0.071 R)
• M8: 7,038,879 km (0.051 R)
• M9: 8,924,859 km (0.11 R)
• M10: 11,473,558 km (0.089 R)
• M11: 13,607,123 km (0.112 R)
• M12: 15,494,300 km (0.074 R)
• M13: 17,616,645 km (0.034 R)
• M14: 21,038,996 km (0.118 R)
• M15: 21,726,548 km (0.063 R)
• M16: 25,049,864 km (0.05 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 10,314 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit