🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.64 AU - 0.68 AU

Year: 352 Days

Day: 31.5 Hours

Environment

Temp: -126 °C

Axial Tilt: 11.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.21 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.8

Radius: 14.4

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.51 AU - 2.01 AU

Year: 1532 Days

Day: 10.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,194,512 km

• M1: 179,069 km (0.049 R)
• M2: 662,719 km (0.048 R)
• M3: 1,862,942 km (0.11 R)
• M4: 3,799,786 km (0.104 R)
• M5: 4,422,412 km (0.109 R)
• M6: 6,581,708 km (0.115 R)
• M7: 7,183,241 km (0.047 R)
• M8: 7,764,279 km (0.12 R)
• M9: 9,501,559 km (0.104 R)
• M10: 11,301,371 km (0.099 R)
• M11: 12,993,921 km (0.102 R)
• M12: 14,543,606 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.9

Radius: 10.1

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.56 AU - 6.62 AU

Year: 8670 Days

Day: 9.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 45,194,512 km

• M1: 125,662 km (0.118 R)
• M2: 484,697 km (0.098 R)
• M3: 1,008,439 km (0.07 R)
• M4: 1,429,108 km (0.112 R)
• M5: 1,842,447 km (0.108 R)
• M6: 3,019,184 km (0.07 R)
• M7: 4,813,012 km (0.115 R)
• M8: 5,299,654 km (0.083 R)
• M9: 6,195,147 km (0.101 R)
• M10: 7,990,471 km (0.108 R)
• M11: 8,327,515 km (0.096 R)
• M12: 8,984,998 km (0.109 R)
• M13: 9,303,641 km (0.052 R)
• M14: 10,704,625 km (0.077 R)
• M15: 11,062,912 km (0.029 R)
• M16: 11,803,571 km (0.11 R)
• M17: 12,131,041 km (0.114 R)
• M18: 13,149,802 km (0.117 R)
• M19: 15,421,745 km (0.111 R)
• M20: 16,078,181 km (0.105 R)
• M21: 19,643,098 km (0.105 R)
• M22: 21,853,556 km (0.102 R)
• M23: 23,188,717 km (0.076 R)
• M24: 23,789,502 km (0.104 R)
• M25: 29,975,673 km (0.11 R)
• M26: 31,517,579 km (0.115 R)
• M27: 34,982,564 km (0.047 R)
• M28: 35,319,908 km (0.049 R)
• M29: 36,575,333 km (0.118 R)
• M30: 38,933,893 km (0.079 R)
• M31: 39,539,016 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.8

Radius: 10.1

Gravity: 9.38 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.61 AU - 6.97 AU

Year: 9140 Days

Day: 6.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 45,194,512 km

• M1: 125,662 km (0.06 R)
• M2: 460,013 km (0.101 R)
• M3: 1,010,384 km (0.118 R)
• M4: 1,729,052 km (0.094 R)
• M5: 2,210,608 km (0.052 R)
• M6: 2,675,259 km (0.109 R)
• M7: 3,323,018 km (0.108 R)
• M8: 4,621,377 km (0.102 R)
• M9: 4,961,563 km (0.077 R)
• M10: 5,868,126 km (0.094 R)
• M11: 7,876,926 km (0.107 R)
• M12: 8,229,229 km (0.102 R)
• M13: 8,871,004 km (0.113 R)
• M14: 9,496,622 km (0.111 R)
• M15: 10,569,090 km (0.068 R)
• M16: 14,335,515 km (0.086 R)
• M17: 16,163,302 km (0.086 R)
• M18: 20,855,589 km (0.117 R)
• M19: 23,105,690 km (0.076 R)
• M20: 23,738,190 km (0.102 R)
• M21: 25,513,019 km (0.105 R)
• M22: 27,475,145 km (0.096 R)
• M23: 28,287,461 km (0.09 R)
• M24: 29,641,472 km (0.069 R)
• M25: 37,559,388 km (0.066 R)
• M26: 41,534,951 km (0.101 R)
• M27: 46,208,239 km (0.082 R)
• M28: 47,937,890 km (0.106 R)
• M29: 49,561,027 km (0.057 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 466.2

Radius: 3.3

Gravity: 42.81 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 6.23 AU - 6.95 AU

Year: 11098 Days

Day: 15.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 45,194,512 km

• M1: 40,990 km (0.108 R)
• M2: 154,684 km (0.104 R)
• M3: 287,228 km (0.057 R)
• M4: 541,843 km (0.089 R)
• M5: 713,283 km (0.054 R)
• M6: 890,855 km (0.097 R)
• M7: 1,000,660 km (0.082 R)
• M8: 1,188,555 km (0.064 R)
• M9: 2,078,214 km (0.092 R)
• M10: 3,153,074 km (0.093 R)
• M11: 4,128,303 km (0.051 R)
• M12: 4,610,307 km (0.088 R)
• M13: 6,101,499 km (0.082 R)
• M14: 7,594,486 km (0.103 R)
• M15: 8,141,864 km (0.04 R)
• M16: 8,403,212 km (0.097 R)
• M17: 12,671,688 km (0.084 R)
• M18: 12,963,553 km (0.054 R)
• M19: 13,081,586 km (0.094 R)
• M20: 14,554,227 km (0.103 R)
• M21: 20,494,908 km (0.077 R)
• M22: 22,814,573 km (0.107 R)
• M23: 23,246,462 km (0.082 R)
• M24: 25,673,089 km (0.119 R)
• M25: 32,848,252 km (0.064 R)
• M26: 33,843,526 km (0.035 R)
• M27: 39,989,904 km (0.11 R)
• M28: 41,891,892 km (0.119 R)
• M29: 42,539,052 km (0.109 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 370 - 10,807 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit