🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.7

Radius: 11.5

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.46 AU - 0.62 AU

Year: 265 Days

Day: 10.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,918,062 km

• M1: 143,016 km (0.066 R)
• M2: 571,464 km (0.111 R)
• M3: 1,194,689 km (0.047 R)
• M4: 1,882,240 km (0.109 R)
• M5: 2,378,307 km (0.113 R)
• M6: 2,790,449 km (0.067 R)
• M7: 3,178,656 km (0.075 R)
• M8: 3,875,931 km (0.026 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.5

Radius: 10.7

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.55 AU - 0.81 AU

Year: 374 Days

Day: 14.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,918,062 km

• M1: 133,142 km (0.114 R)
• M2: 536,308 km (0.082 R)
• M3: 1,055,862 km (0.098 R)
• M4: 1,456,335 km (0.044 R)
• M5: 1,882,240 km (0.105 R)
• M6: 2,242,771 km (0.119 R)
• M7: 3,052,844 km (0.041 R)
• M8: 3,555,193 km (0.078 R)
• M9: 4,501,250 km (0.118 R)
• M10: 5,063,439 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.2

Radius: 12.9

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.71 AU - 0.93 AU

Year: 495 Days

Day: 10.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,918,062 km

• M1: 160,668 km (0.117 R)
• M2: 569,519 km (0.091 R)
• M3: 1,195,287 km (0.12 R)
• M4: 1,646,773 km (0.054 R)
• M5: 2,232,299 km (0.044 R)
• M6: 2,798,228 km (0.098 R)
• M7: 3,950,880 km (0.104 R)
• M8: 5,027,386 km (0.117 R)
• M9: 6,119,750 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.5

Radius: 10.8

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.48 AU - 1.92 AU

Year: 1478 Days

Day: 9.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,918,062 km

• M1: 136,882 km (0.107 R)
• M2: 1,210,546 km (0.091 R)
• M3: 1,752,539 km (0.052 R)
• M4: 2,568,296 km (0.09 R)
• M5: 3,174,317 km (0.064 R)
• M6: 4,033,757 km (0.112 R)
• M7: 4,938,974 km (0.104 R)
• M8: 6,804,758 km (0.091 R)
• M9: 7,236,797 km (0.108 R)

Asteroid Belt

Center: 2.3 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.8

Radius: 11.8

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.35 AU - 3.45 AU

Year: 3293 Days

Day: 12.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,918,062 km

• M1: 146,756 km (0.102 R)
• M2: 531,820 km (0.111 R)
• M3: 1,064,987 km (0.079 R)
• M4: 2,289,296 km (0.113 R)
• M5: 2,923,591 km (0.092 R)
• M6: 4,314,403 km (0.092 R)
• M7: 4,905,613 km (0.043 R)
• M8: 6,516,633 km (0.119 R)
• M9: 7,361,412 km (0.071 R)
• M10: 7,759,642 km (0.117 R)
• M11: 9,852,366 km (0.09 R)
• M12: 10,752,796 km (0.119 R)
• M13: 11,707,230 km (0.035 R)
• M14: 12,251,168 km (0.077 R)
• M15: 17,228,888 km (0.091 R)
• M16: 20,161,903 km (0.095 R)
• M17: 21,544,038 km (0.059 R)
• M18: 22,086,779 km (0.082 R)
• M19: 23,199,937 km (0.044 R)
• M20: 23,842,161 km (0.111 R)
• M21: 24,423,049 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.8

Radius: 12.1

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.95 AU - 3.01 AU

Year: 3430 Days

Day: 5.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,918,062 km

• M1: 155,432 km (0.049 R)
• M2: 760,256 km (0.117 R)
• M3: 1,244,953 km (0.088 R)
• M4: 1,711,699 km (0.037 R)
• M5: 2,137,903 km (0.108 R)
• M6: 2,817,676 km (0.06 R)
• M7: 3,303,121 km (0.112 R)
• M8: 4,514,415 km (0.099 R)
• M9: 5,393,153 km (0.086 R)
• M10: 5,803,201 km (0.067 R)
• M11: 6,472,801 km (0.107 R)
• M12: 7,290,951 km (0.045 R)
• M13: 11,267,861 km (0.075 R)
• M14: 11,986,829 km (0.105 R)
• M15: 15,552,045 km (0.11 R)
• M16: 16,273,855 km (0.097 R)
• M17: 19,386,687 km (0.109 R)
• M18: 20,616,980 km (0.045 R)
• M19: 25,524,389 km (0.048 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 520

Radius: 4.2

Gravity: 29.48 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 8.33 AU - 12.23 AU

Year: 21980 Days

Day: 18.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,918,062 km

• M1: 52,210 km (0.072 R)
• M2: 527,482 km (0.083 R)
• M3: 716,873 km (0.053 R)
• M4: 1,262,606 km (0.109 R)
• M5: 1,910,215 km (0.077 R)
• M6: 2,295,579 km (0.057 R)
• M7: 2,981,186 km (0.057 R)
• M8: 3,614,733 km (0.091 R)
• M9: 4,433,931 km (0.089 R)
• M10: 4,674,036 km (0.116 R)
• M11: 9,396,691 km (0.091 R)
• M12: 13,374,798 km (0.096 R)
• M13: 20,904,657 km (0.043 R)
• M14: 26,266,843 km (0.08 R)
• M15: 37,729,929 km (0.067 R)
• M16: 38,728,944 km (0.084 R)
• M17: 43,989,403 km (0.111 R)
• M18: 52,653,663 km (0.117 R)
• M19: 67,467,593 km (0.099 R)
• M20: 67,885,419 km (0.085 R)
• M21: 72,159,431 km (0.09 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 19,334 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit