🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.3

Radius: 9.1

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.68 AU - 0.84 AU

Year: 457 Days

Day: 13.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 84,080,221 km

• M1: 122,072 km (0.113 R)
• M2: 451,486 km (0.046 R)
• M3: 993,479 km (0.033 R)
• M4: 1,608,177 km (0.113 R)
• M5: 2,185,326 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.6

Radius: 12.8

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.07 AU - 1.07 AU

Year: 764 Days

Day: 11.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,080,221 km

• M1: 159,172 km (0.089 R)
• M2: 606,021 km (0.103 R)
• M3: 1,010,384 km (0.06 R)
• M4: 1,541,905 km (0.107 R)
• M5: 2,406,880 km (0.068 R)
• M6: 3,109,093 km (0.12 R)
• M7: 3,777,945 km (0.117 R)
• M8: 4,643,069 km (0.069 R)
• M9: 5,123,129 km (0.111 R)
• M10: 5,915,698 km (0.081 R)
• M11: 6,502,870 km (0.043 R)
• M12: 8,167,595 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.2

Radius: 9

Gravity: 9.51 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.06 AU - 1.54 AU

Year: 1023 Days

Day: 7.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 159.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,080,221 km

• M1: 111,899 km (0.104 R)
• M2: 872,156 km (0.071 R)
• M3: 1,189,901 km (0.111 R)
• M4: 1,577,360 km (0.094 R)
• M5: 2,058,317 km (0.111 R)
• M6: 2,646,686 km (0.108 R)
• M7: 3,228,472 km (0.055 R)
• M8: 4,344,472 km (0.075 R)
• M9: 4,830,366 km (0.117 R)
• M10: 5,312,220 km (0.097 R)
• M11: 5,616,353 km (0.112 R)
• M12: 6,904,241 km (0.078 R)
• M13: 7,218,097 km (0.108 R)
• M14: 8,031,311 km (0.104 R)
• M15: 8,932,788 km (0.111 R)
• M16: 9,930,456 km (0.091 R)
• M17: 10,710,160 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.6

Radius: 14.5

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.9 AU - 2.34 AU

Year: 2131 Days

Day: 13.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 84,080,221 km

• M1: 180,265 km (0.074 R)
• M2: 911,949 km (0.092 R)
• M3: 1,507,647 km (0.032 R)
• M4: 1,986,211 km (0.03 R)
• M5: 2,786,260 km (0.078 R)
• M6: 4,294,207 km (0.094 R)
• M7: 5,744,109 km (0.093 R)
• M8: 6,350,878 km (0.09 R)

Asteroid Belt

Center: 3.48 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.7

Radius: 9.2

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 4.2 AU - 5.48 AU

Year: 7350 Days

Day: 8.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,080,221 km

• M1: 114,442 km (0.064 R)
• M2: 483,351 km (0.091 R)
• M3: 802,144 km (0.109 R)
• M4: 1,221,167 km (0.059 R)
• M5: 1,725,462 km (0.077 R)
• M6: 2,026,902 km (0.03 R)
• M7: 2,417,352 km (0.077 R)
• M8: 3,023,074 km (0.083 R)
• M9: 4,535,359 km (0.117 R)
• M10: 6,286,402 km (0.108 R)
• M11: 10,560,562 km (0.118 R)
• M12: 15,034,885 km (0.111 R)
• M13: 15,670,676 km (0.113 R)
• M14: 17,132,247 km (0.089 R)
• M15: 17,546,185 km (0.105 R)
• M16: 23,047,946 km (0.078 R)
• M17: 25,555,505 km (0.053 R)
• M18: 26,921,334 km (0.098 R)
• M19: 29,403,162 km (0.086 R)
• M20: 32,873,534 km (0.056 R)
• M21: 36,835,783 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 476.5

Radius: 7.3

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 6.6 AU - 10.16 AU

Year: 16745 Days

Day: 18.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,080,221 km

• M1: 124,914 km (0.08 R)
• M2: 494,421 km (0.105 R)
• M3: 1,787,395 km (0.084 R)
• M4: 2,998,540 km (0.079 R)
• M5: 4,063,078 km (0.071 R)
• M6: 10,876,064 km (0.096 R)
• M7: 12,434,575 km (0.095 R)
• M8: 14,830,385 km (0.101 R)
• M9: 15,840,021 km (0.117 R)
• M10: 16,971,729 km (0.079 R)
• M11: 18,399,790 km (0.112 R)
• M12: 20,338,728 km (0.111 R)
• M13: 26,444,266 km (0.116 R)
• M14: 26,967,111 km (0.025 R)
• M15: 43,393,256 km (0.117 R)
• M16: 51,359,791 km (0.12 R)
• M17: 56,027,843 km (0.107 R)
• M18: 57,063,809 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 866.2

Radius: 4.8

Gravity: 37.6 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 7.74 AU - 11.54 AU

Year: 20660 Days

Day: 16.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 84,080,221 km

• M1: 59,839 km (0.095 R)
• M2: 244,293 km (0.093 R)
• M3: 416,929 km (0.113 R)
• M4: 2,283,163 km (0.107 R)
• M5: 2,636,064 km (0.084 R)
• M6: 3,882,514 km (0.093 R)
• M7: 4,561,688 km (0.108 R)
• M8: 4,854,451 km (0.102 R)
• M9: 6,108,380 km (0.062 R)
• M10: 6,739,982 km (0.101 R)
• M11: 7,216,900 km (0.108 R)
• M12: 11,603,110 km (0.117 R)
• M13: 11,873,583 km (0.074 R)
• M14: 15,133,470 km (0.035 R)
• M15: 15,784,071 km (0.105 R)
• M16: 16,284,177 km (0.072 R)
• M17: 16,967,091 km (0.057 R)
• M18: 17,669,154 km (0.111 R)
• M19: 18,850,828 km (0.087 R)
• M20: 20,968,834 km (0.062 R)
• M21: 21,572,911 km (0.064 R)
• M22: 27,901,948 km (0.107 R)
• M23: 29,250,872 km (0.05 R)
• M24: 32,078,122 km (0.033 R)
• M25: 32,343,808 km (0.074 R)
• M26: 33,969,039 km (0.084 R)
• M27: 34,801,701 km (0.055 R)
• M28: 35,222,968 km (0.115 R)
• M29: 39,321,501 km (0.105 R)
• M30: 45,711,275 km (0.064 R)
• M31: 46,725,698 km (0.08 R)
• M32: 60,295,422 km (0.069 R)
• M33: 65,059,665 km (0.098 R)
• M34: 72,096,749 km (0.094 R)
• M35: 73,240,275 km (0.122 R)
• M36: 76,505,997 km (0.06 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 12,695 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit