🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.6

Radius: 8.9

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.42 AU - 0.62 AU

Year: 259 Days

Day: 11.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,304,589 km

• M1: 110,702 km (0.105 R)
• M2: 409,001 km (0.044 R)
• M3: 702,362 km (0.041 R)
• M4: 1,158,486 km (0.084 R)
• M5: 1,627,625 km (0.09 R)
• M6: 2,203,577 km (0.072 R)
• M7: 2,513,843 km (0.084 R)
• M8: 3,294,893 km (0.118 R)
• M9: 3,625,056 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.8

Radius: 9.2

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.93 AU - 0.97 AU

Year: 639 Days

Day: 6.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,304,589 km

• M1: 115,041 km (0.1 R)
• M2: 437,723 km (0.101 R)
• M3: 802,293 km (0.114 R)
• M4: 1,276,668 km (0.062 R)
• M5: 1,912,758 km (0.097 R)
• M6: 2,430,965 km (0.077 R)
• M7: 2,992,107 km (0.092 R)
• M8: 3,355,480 km (0.094 R)
• M9: 4,066,669 km (0.051 R)
• M10: 4,482,102 km (0.115 R)
• M11: 5,489,195 km (0.094 R)
• M12: 5,881,889 km (0.093 R)
• M13: 6,640,201 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.6

Radius: 11.3

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.75 AU - 1.23 AU

Year: 680 Days

Day: 12.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,304,589 km

• M1: 140,622 km (0.103 R)
• M2: 542,442 km (0.028 R)
• M3: 1,100,143 km (0.059 R)
• M4: 1,533,827 km (0.1 R)
• M5: 2,141,643 km (0.087 R)
• M6: 2,645,190 km (0.08 R)
• M7: 3,057,182 km (0.086 R)
• M8: 3,932,030 km (0.069 R)
• M9: 4,500,502 km (0.099 R)
• M10: 4,889,008 km (0.062 R)
• M11: 5,447,307 km (0.106 R)
• M12: 5,889,369 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.2

Radius: 13.6

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.97 AU - 1.07 AU

Year: 711 Days

Day: 6.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,304,589 km

• M1: 169,195 km (0.071 R)
• M2: 691,890 km (0.106 R)
• M3: 1,145,770 km (0.084 R)
• M4: 1,922,482 km (0.118 R)
• M5: 2,370,378 km (0.06 R)
• M6: 3,562,075 km (0.12 R)
• M7: 4,272,964 km (0.081 R)
• M8: 4,945,855 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885

Radius: 10.2

Gravity: 8.51 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.73 AU - 2.73 AU

Year: 2299 Days

Day: 9.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,304,589 km

• M1: 126,859 km (0.101 R)
• M2: 611,406 km (0.107 R)
• M3: 1,263,653 km (0.099 R)
• M4: 1,642,136 km (0.047 R)
• M5: 2,292,737 km (0.098 R)
• M6: 2,927,182 km (0.097 R)
• M7: 3,277,540 km (0.071 R)
• M8: 4,124,114 km (0.088 R)
• M9: 5,157,536 km (0.091 R)
• M10: 5,928,264 km (0.116 R)
• M11: 6,660,546 km (0.079 R)
• M12: 7,034,092 km (0.119 R)
• M13: 7,760,689 km (0.06 R)
• M14: 10,204,370 km (0.065 R)
• M15: 11,457,851 km (0.092 R)
• M16: 11,786,667 km (0.072 R)
• M17: 14,410,164 km (0.065 R)
• M18: 14,890,523 km (0.083 R)
• M19: 16,395,927 km (0.103 R)
• M20: 18,000,214 km (0.1 R)

Asteroid Belt

Center: 3.02 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.6

Radius: 8.5

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.78 AU - 3.82 AU

Year: 5113 Days

Day: 8.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,304,589 km

• M1: 106,813 km (0.106 R)
• M2: 482,902 km (0.105 R)
• M3: 756,516 km (0.09 R)
• M4: 1,340,098 km (0.09 R)
• M5: 1,708,258 km (0.093 R)
• M6: 2,296,477 km (0.034 R)
• M7: 5,134,199 km (0.118 R)
• M8: 5,763,707 km (0.074 R)
• M9: 9,767,694 km (0.1 R)
• M10: 10,637,007 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.7

Radius: 11.1

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.3 AU - 4.76 AU

Year: 5584 Days

Day: 11.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,304,589 km

• M1: 138,079 km (0.102 R)
• M2: 512,522 km (0.062 R)
• M3: 1,022,651 km (0.102 R)
• M4: 1,378,993 km (0.103 R)
• M5: 1,890,618 km (0.105 R)
• M6: 2,633,371 km (0.117 R)
• M7: 3,052,694 km (0.075 R)
• M8: 3,719,601 km (0.048 R)
• M9: 4,667,005 km (0.044 R)
• M10: 6,280,867 km (0.119 R)
• M11: 8,159,517 km (0.072 R)
• M12: 9,099,889 km (0.073 R)
• M13: 15,152,619 km (0.045 R)
• M14: 16,192,773 km (0.055 R)
• M15: 20,758,799 km (0.096 R)
• M16: 21,582,634 km (0.052 R)
• M17: 23,455,450 km (0.07 R)
• M18: 26,117,843 km (0.04 R)
• M19: 28,883,160 km (0.05 R)
• M20: 29,346,764 km (0.025 R)
• M21: 32,233,554 km (0.071 R)
• M22: 33,643,514 km (0.118 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 224 - 19,993 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit