🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.5

Radius: 10.6

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.4 AU - 0.66 AU

Year: 257 Days

Day: 14.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,473,010 km

• M1: 131,796 km (0.111 R)
• M2: 583,432 km (0.065 R)
• M3: 984,952 km (0.105 R)
• M4: 1,357,900 km (0.109 R)
• M5: 1,887,028 km (0.028 R)
• M6: 2,289,446 km (0.104 R)
• M7: 2,652,520 km (0.12 R)
• M8: 3,190,324 km (0.104 R)
• M9: 3,549,209 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.2

Radius: 8

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.89 AU - 2.31 AU

Year: 2029 Days

Day: 12.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 26,473,010 km

• M1: 99,931 km (0.047 R)
• M2: 384,167 km (0.099 R)
• M3: 633,397 km (0.083 R)
• M4: 957,277 km (0.108 R)
• M5: 1,470,697 km (0.086 R)
• M6: 1,907,074 km (0.108 R)
• M7: 2,228,111 km (0.069 R)
• M8: 2,763,372 km (0.088 R)
• M9: 3,024,271 km (0.117 R)
• M10: 3,365,653 km (0.116 R)
• M11: 5,017,064 km (0.12 R)
• M12: 5,275,120 km (0.111 R)
• M13: 5,678,885 km (0.087 R)
• M14: 6,472,501 km (0.063 R)
• M15: 6,778,728 km (0.051 R)
• M16: 7,727,628 km (0.098 R)
• M17: 7,985,385 km (0.034 R)
• M18: 11,359,864 km (0.11 R)
• M19: 12,302,929 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294

Radius: 8.9

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.28 AU - 2.34 AU

Year: 2341 Days

Day: 13.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,473,010 km

• M1: 110,702 km (0.117 R)
• M2: 449,841 km (0.101 R)
• M3: 858,243 km (0.106 R)
• M4: 1,303,147 km (0.114 R)
• M5: 1,803,552 km (0.097 R)
• M6: 2,116,062 km (0.097 R)
• M7: 2,528,952 km (0.118 R)
• M8: 3,112,683 km (0.081 R)
• M9: 3,485,032 km (0.118 R)
• M10: 4,864,324 km (0.099 R)
• M11: 5,586,732 km (0.067 R)
• M12: 6,258,128 km (0.091 R)
• M13: 7,595,084 km (0.113 R)
• M14: 8,272,463 km (0.087 R)
• M15: 9,237,669 km (0.063 R)
• M16: 10,479,181 km (0.045 R)
• M17: 12,391,640 km (0.067 R)
• M18: 13,091,160 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.9

Radius: 13.3

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.57 AU - 3.53 AU

Year: 3552 Days

Day: 12.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 26,473,010 km

• M1: 170,093 km (0.105 R)
• M2: 607,068 km (0.035 R)
• M3: 1,044,492 km (0.102 R)
• M4: 1,509,891 km (0.072 R)
• M5: 2,470,010 km (0.113 R)
• M6: 3,867,554 km (0.051 R)
• M7: 6,289,842 km (0.111 R)
• M8: 7,362,908 km (0.119 R)
• M9: 7,873,486 km (0.036 R)
• M10: 8,335,145 km (0.099 R)
• M11: 8,814,905 km (0.059 R)
• M12: 10,324,048 km (0.086 R)
• M13: 12,092,295 km (0.09 R)
• M14: 12,516,555 km (0.076 R)
• M15: 14,576,667 km (0.083 R)
• M16: 15,494,001 km (0.101 R)
• M17: 17,265,389 km (0.118 R)
• M18: 19,552,292 km (0.062 R)
• M19: 22,739,774 km (0.079 R)
• M20: 24,795,099 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.2

Radius: 11.1

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.65 AU - 4.85 AU

Year: 5843 Days

Day: 5.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 26,473,010 km

• M1: 138,079 km (0.097 R)
• M2: 628,909 km (0.081 R)
• M3: 1,567,786 km (0.084 R)
• M4: 2,918,206 km (0.113 R)
• M5: 9,013,421 km (0.094 R)
• M6: 9,595,207 km (0.099 R)
• M7: 10,124,784 km (0.107 R)
• M8: 11,242,280 km (0.098 R)
• M9: 13,911,256 km (0.107 R)
• M10: 16,383,959 km (0.075 R)
• M11: 16,759,749 km (0.113 R)
• M12: 17,251,178 km (0.082 R)
• M13: 19,976,103 km (0.087 R)
• M14: 20,715,266 km (0.043 R)
• M15: 21,218,214 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.1

Radius: 10.2

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 4.41 AU - 6.01 AU

Year: 7930 Days

Day: 12.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 26,473,010 km

• M1: 126,859 km (0.109 R)
• M2: 520,301 km (0.089 R)
• M3: 920,326 km (0.12 R)
• M4: 1,242,111 km (0.055 R)
• M5: 2,317,570 km (0.049 R)
• M6: 3,089,046 km (0.084 R)
• M7: 3,490,418 km (0.109 R)
• M8: 3,926,645 km (0.118 R)
• M9: 4,853,553 km (0.088 R)
• M10: 5,983,765 km (0.059 R)
• M11: 7,172,171 km (0.101 R)
• M12: 7,501,884 km (0.04 R)
• M13: 8,470,979 km (0.097 R)
• M14: 8,964,952 km (0.084 R)
• M15: 9,697,532 km (0.118 R)
• M16: 10,516,132 km (0.081 R)
• M17: 13,032,069 km (0.106 R)
• M18: 13,579,597 km (0.101 R)
• M19: 15,435,359 km (0.12 R)
• M20: 16,298,239 km (0.093 R)
• M21: 17,388,808 km (0.074 R)
• M22: 25,650,201 km (0.112 R)
• M23: 27,657,355 km (0.076 R)
• M24: 29,299,641 km (0.069 R)
• M25: 30,813,272 km (0.101 R)
• M26: 32,978,551 km (0.071 R)
• M27: 33,586,218 km (0.106 R)
• M28: 35,138,296 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 128.3

Radius: 5.2

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 5.05 AU - 6.69 AU

Year: 9484 Days

Day: 23.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 26,473,010 km

• M1: 64,626 km (0.035 R)
• M2: 254,466 km (0.076 R)
• M3: 874,400 km (0.034 R)
• M4: 1,236,127 km (0.071 R)
• M5: 1,457,233 km (0.076 R)
• M6: 1,742,217 km (0.101 R)
• M7: 2,283,761 km (0.115 R)
• M8: 2,519,527 km (0.103 R)
• M9: 2,877,066 km (0.101 R)
• M10: 3,114,927 km (0.07 R)
• M11: 4,878,536 km (0.107 R)
• M12: 5,244,004 km (0.077 R)
• M13: 5,627,423 km (0.073 R)
• M14: 6,389,026 km (0.053 R)
• M15: 6,699,441 km (0.068 R)
• M16: 6,955,104 km (0.112 R)
• M17: 8,441,808 km (0.119 R)
• M18: 12,167,992 km (0.1 R)
• M19: 13,085,027 km (0.055 R)
• M20: 14,519,072 km (0.105 R)
• M21: 15,001,525 km (0.081 R)
• M22: 21,374,993 km (0.119 R)
• M23: 22,280,209 km (0.067 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 11,005 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit