🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.3

Radius: 13.7

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.81 AU - 0.83 AU

Year: 522 Days

Day: 8.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,293,593 km

• M1: 170,392 km (0.12 R)
• M2: 1,291,030 km (0.03 R)
• M3: 2,095,268 km (0.097 R)
• M4: 2,626,639 km (0.047 R)
• M5: 3,247,770 km (0.115 R)
• M6: 4,356,140 km (0.091 R)
• M7: 5,263,003 km (0.111 R)
• M8: 5,770,289 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.3

Radius: 10.2

Gravity: 8.86 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.3 AU - 1.34 AU

Year: 1066 Days

Day: 9.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,293,593 km

• M1: 127,009 km (0.076 R)
• M2: 569,369 km (0.097 R)
• M3: 897,138 km (0.096 R)
• M4: 1,436,588 km (0.114 R)
• M5: 1,859,202 km (0.111 R)
• M6: 2,340,907 km (0.109 R)
• M7: 2,771,899 km (0.051 R)
• M8: 3,811,006 km (0.094 R)
• M9: 4,356,739 km (0.114 R)
• M10: 5,333,912 km (0.036 R)
• M11: 5,885,330 km (0.07 R)
• M12: 7,177,257 km (0.101 R)
• M13: 7,586,258 km (0.064 R)
• M14: 9,290,925 km (0.034 R)
• M15: 11,373,777 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.3

Radius: 11.5

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.03 AU - 1.69 AU

Year: 1115 Days

Day: 13.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 61,293,593 km

• M1: 143,016 km (0.08 R)
• M2: 562,039 km (0.111 R)
• M3: 982,409 km (0.081 R)
• M4: 1,846,187 km (0.1 R)
• M5: 2,212,553 km (0.062 R)
• M6: 2,619,608 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.9

Radius: 14.5

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.29 AU - 1.95 AU

Year: 1449 Days

Day: 8.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,293,593 km

• M1: 181,013 km (0.11 R)
• M2: 743,801 km (0.059 R)
• M3: 1,324,390 km (0.076 R)
• M4: 2,197,294 km (0.07 R)
• M5: 3,102,061 km (0.074 R)
• M6: 4,225,691 km (0.085 R)
• M7: 4,842,633 km (0.026 R)
• M8: 5,869,921 km (0.108 R)
• M9: 6,738,486 km (0.076 R)
• M10: 7,320,572 km (0.085 R)
• M11: 8,761,349 km (0.079 R)
• M12: 9,580,397 km (0.1 R)
• M13: 10,416,949 km (0.089 R)
• M14: 11,301,670 km (0.107 R)
• M15: 12,722,102 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494

Radius: 14.4

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.17 AU - 2.75 AU

Year: 2712 Days

Day: 13.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,293,593 km

• M1: 266,733 km (0.065 R)
• M2: 1,031,926 km (0.101 R)
• M3: 1,596,808 km (0.064 R)
• M4: 3,429,382 km (0.093 R)
• M5: 4,831,562 km (0.098 R)
• M6: 5,282,151 km (0.101 R)
• M7: 6,165,078 km (0.1 R)
• M8: 7,375,474 km (0.093 R)
• M9: 8,415,179 km (0.119 R)
• M10: 9,796,417 km (0.091 R)
• M11: 17,323,882 km (0.049 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 782.9

Radius: 6.5

Gravity: 18.53 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 5.07 AU - 6.03 AU

Year: 9191 Days

Day: 24.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 61,293,593 km

• M1: 91,105 km (0.095 R)
• M2: 426,204 km (0.086 R)
• M3: 633,996 km (0.086 R)
• M4: 902,524 km (0.119 R)
• M5: 1,319,752 km (0.086 R)
• M6: 1,874,761 km (0.092 R)
• M7: 2,214,647 km (0.102 R)
• M8: 2,437,697 km (0.109 R)
• M9: 2,737,791 km (0.116 R)
• M10: 4,959,618 km (0.046 R)
• M11: 5,245,949 km (0.118 R)
• M12: 5,921,832 km (0.096 R)
• M13: 8,885,366 km (0.041 R)
• M14: 10,347,236 km (0.11 R)
• M15: 12,830,261 km (0.11 R)
• M16: 13,988,747 km (0.046 R)
• M17: 21,420,171 km (0.093 R)
• M18: 22,351,567 km (0.117 R)
• M19: 25,588,417 km (0.026 R)
• M20: 25,966,301 km (0.084 R)
• M21: 27,220,081 km (0.105 R)
• M22: 27,515,088 km (0.106 R)
• M23: 28,513,803 km (0.104 R)
• M24: 30,266,791 km (0.096 R)
• M25: 32,751,013 km (0.12 R)
• M26: 33,759,153 km (0.097 R)
• M27: 34,787,638 km (0.05 R)
• M28: 35,251,392 km (0.107 R)
• M29: 37,632,392 km (0.091 R)
• M30: 38,367,067 km (0.12 R)
• M31: 44,320,464 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 930.1

Radius: 7.6

Gravity: 16.1 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 6.77 AU - 6.79 AU

Year: 12409 Days

Day: 17.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,293,593 km

• M1: 96,491 km (0.07 R)
• M2: 389,852 km (0.1 R)
• M3: 919,578 km (0.11 R)
• M4: 1,830,928 km (0.086 R)
• M5: 2,273,888 km (0.095 R)
• M6: 3,321,821 km (0.103 R)
• M7: 7,076,428 km (0.115 R)
• M8: 7,698,606 km (0.082 R)
• M9: 8,356,687 km (0.085 R)
• M10: 8,699,565 km (0.111 R)
• M11: 11,368,541 km (0.114 R)
• M12: 12,097,082 km (0.089 R)
• M13: 16,823,926 km (0.079 R)
• M14: 18,173,299 km (0.073 R)
• M15: 19,252,648 km (0.094 R)
• M16: 24,098,272 km (0.027 R)
• M17: 28,692,124 km (0.077 R)
• M18: 30,960,775 km (0.089 R)
• M19: 34,835,061 km (0.035 R)
• M20: 37,019,040 km (0.086 R)
• M21: 38,077,744 km (0.108 R)
• M22: 40,394,267 km (0.085 R)
• M23: 53,397,913 km (0.114 R)
• M24: 61,293,539 km (0.088 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 152 - 11,663 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit