🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115

Radius: 8.4

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.87 AU - 0.99 AU

Year: 619 Days

Day: 10 Hours

Environment

Temp: -170 °C

Axial Tilt: 112.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,581,720 km

• M1: 104,419 km (0.086 R)
• M2: 550,520 km (0.063 R)
• M3: 949,797 km (0.065 R)
• M4: 1,295,966 km (0.114 R)
• M5: 1,679,984 km (0.085 R)
• M6: 2,033,334 km (0.087 R)
• M7: 2,452,807 km (0.089 R)
• M8: 2,919,402 km (0.052 R)
• M9: 3,214,709 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.8

Radius: 10.8

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.06 AU - 1.2 AU

Year: 829 Days

Day: 13.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,581,720 km

• M1: 145,409 km (0.119 R)
• M2: 482,752 km (0.055 R)
• M3: 821,143 km (0.073 R)
• M4: 1,237,324 km (0.077 R)
• M5: 1,858,155 km (0.077 R)
• M6: 2,424,383 km (0.115 R)
• M7: 3,332,293 km (0.08 R)
• M8: 3,765,827 km (0.027 R)
• M9: 4,352,400 km (0.117 R)
• M10: 5,165,465 km (0.059 R)
• M11: 5,510,138 km (0.111 R)
• M12: 5,911,210 km (0.087 R)
• M13: 6,331,730 km (0.101 R)
• M14: 7,988,526 km (0.06 R)
• M15: 8,450,933 km (0.09 R)
• M16: 9,040,349 km (0.08 R)
• M17: 9,429,453 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.8

Radius: 13.7

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.74 AU - 2.48 AU

Year: 2116 Days

Day: 11.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,581,720 km

• M1: 175,329 km (0.098 R)
• M2: 1,279,511 km (0.112 R)
• M3: 1,756,578 km (0.106 R)
• M4: 2,766,663 km (0.074 R)
• M5: 3,582,570 km (0.085 R)
• M6: 5,001,805 km (0.102 R)
• M7: 6,025,204 km (0.069 R)
• M8: 6,587,093 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.3

Radius: 14.2

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.16 AU - 2.88 AU

Year: 2761 Days

Day: 9.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,581,720 km

• M1: 176,825 km (0.076 R)
• M2: 703,708 km (0.115 R)
• M3: 1,344,436 km (0.087 R)
• M4: 1,806,993 km (0.088 R)
• M5: 2,652,669 km (0.087 R)
• M6: 3,397,218 km (0.063 R)
• M7: 4,127,106 km (0.109 R)
• M8: 4,630,054 km (0.081 R)
• M9: 5,173,992 km (0.092 R)
• M10: 5,902,085 km (0.114 R)
• M11: 13,932,050 km (0.073 R)
• M12: 15,161,894 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.2

Radius: 14.8

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.45 AU - 5.25 AU

Year: 6262 Days

Day: 11.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,581,720 km

• M1: 187,147 km (0.1 R)
• M2: 825,930 km (0.116 R)
• M3: 2,768,608 km (0.098 R)
• M4: 3,422,799 km (0.104 R)
• M5: 4,932,541 km (0.073 R)
• M6: 5,750,841 km (0.041 R)
• M7: 6,389,624 km (0.086 R)
• M8: 7,871,092 km (0.086 R)
• M9: 8,498,356 km (0.102 R)
• M10: 10,732,899 km (0.083 R)
• M11: 11,348,046 km (0.033 R)
• M12: 12,273,458 km (0.113 R)
• M13: 13,555,512 km (0.118 R)
• M14: 14,643,986 km (0.117 R)
• M15: 16,943,754 km (0.109 R)
• M16: 17,567,727 km (0.048 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 32.7

Radius: 4.2

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 8.08 AU - 8.88 AU

Year: 17045 Days

Day: 19.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,581,720 km

• M1: 56,997 km (0.057 R)
• M2: 1,400,086 km (0.089 R)
• M3: 1,532,331 km (0.111 R)
• M4: 2,911,923 km (0.082 R)
• M5: 3,655,574 km (0.06 R)
• M6: 7,399,410 km (0.112 R)
• M7: 9,255,171 km (0.109 R)
• M8: 10,372,817 km (0.092 R)
• M9: 13,703,763 km (0.078 R)
• M10: 15,097,118 km (0.083 R)
• M11: 21,482,105 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 325.8

Radius: 3.1

Gravity: 33.9 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 9.94 AU - 9.94 AU

Year: 21632 Days

Day: 20.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 62,581,720 km

• M1: 38,895 km (0.085 R)
• M2: 146,606 km (0.091 R)
• M3: 481,256 km (0.062 R)
• M4: 881,730 km (0.055 R)
• M5: 981,063 km (0.094 R)
• M6: 1,215,632 km (0.05 R)
• M7: 1,382,284 km (0.094 R)
• M8: 3,363,110 km (0.042 R)
• M9: 3,607,702 km (0.112 R)
• M10: 4,101,674 km (0.078 R)
• M11: 6,699,142 km (0.069 R)
• M12: 8,237,756 km (0.059 R)
• M13: 8,482,199 km (0.077 R)
• M14: 10,788,400 km (0.032 R)
• M15: 13,413,244 km (0.045 R)
• M16: 18,101,342 km (0.081 R)
• M17: 21,490,931 km (0.101 R)
• M18: 21,953,787 km (0.038 R)
• M19: 31,701,734 km (0.085 R)
• M20: 32,543,371 km (0.033 R)
• M21: 35,157,444 km (0.09 R)
• M22: 42,514,817 km (0.116 R)
• M23: 52,151,912 km (0.059 R)
• M24: 61,277,532 km (0.04 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: 164 - 13,135 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit