🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.1

Radius: 9.9

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.61 AU - 0.81 AU

Year: 406 Days

Day: 10.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 45,226,168 km

• M1: 123,119 km (0.099 R)
• M2: 433,983 km (0.112 R)
• M3: 942,616 km (0.037 R)
• M4: 2,044,405 km (0.091 R)
• M5: 2,643,544 km (0.094 R)
• M6: 2,952,763 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.9

Radius: 8.1

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.72 AU - 0.74 AU

Year: 423 Days

Day: 12.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,226,168 km

• M1: 100,679 km (0.101 R)
• M2: 471,981 km (0.053 R)
• M3: 743,801 km (0.055 R)
• M4: 1,036,264 km (0.108 R)
• M5: 1,376,899 km (0.089 R)
• M6: 1,736,382 km (0.1 R)
• M7: 2,086,890 km (0.066 R)
• M8: 2,380,252 km (0.104 R)
• M9: 2,645,788 km (0.044 R)
• M10: 3,354,433 km (0.092 R)
• M11: 3,678,163 km (0.109 R)
• M12: 4,096,438 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.7

Radius: 9.4

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.76 AU - 1.02 AU

Year: 569 Days

Day: 5.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,226,168 km

• M1: 117,135 km (0.106 R)
• M2: 579,243 km (0.088 R)
• M3: 1,081,443 km (0.064 R)
• M4: 1,421,479 km (0.048 R)
• M5: 1,889,870 km (0.08 R)
• M6: 2,746,617 km (0.101 R)
• M7: 4,290,467 km (0.056 R)
• M8: 5,863,937 km (0.072 R)
• M9: 6,344,147 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.4

Radius: 13.7

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.09 AU - 1.43 AU

Year: 959 Days

Day: 8.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,226,168 km

• M1: 170,392 km (0.074 R)
• M2: 657,483 km (0.097 R)
• M3: 1,283,699 km (0.111 R)
• M4: 2,074,773 km (0.069 R)
• M5: 2,709,816 km (0.078 R)
• M6: 4,036,450 km (0.077 R)
• M7: 5,523,153 km (0.116 R)
• M8: 6,147,874 km (0.111 R)
• M9: 6,842,008 km (0.102 R)
• M10: 7,396,418 km (0.063 R)
• M11: 8,310,012 km (0.106 R)
• M12: 9,050,222 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931

Radius: 14.9

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.23 AU - 1.55 AU

Year: 1112 Days

Day: 5.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,226,168 km

• M1: 185,352 km (0.095 R)
• M2: 664,663 km (0.065 R)
• M3: 1,257,819 km (0.106 R)
• M4: 2,015,831 km (0.098 R)
• M5: 2,531,794 km (0.047 R)
• M6: 3,251,510 km (0.097 R)
• M7: 3,936,369 km (0.073 R)
• M8: 4,548,673 km (0.09 R)
• M9: 5,024,693 km (0.09 R)
• M10: 5,534,074 km (0.111 R)
• M11: 6,190,958 km (0.119 R)
• M12: 6,705,575 km (0.084 R)
• M13: 9,205,355 km (0.07 R)
• M14: 10,066,890 km (0.073 R)
• M15: 11,082,659 km (0.087 R)
• M16: 11,598,173 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.3

Radius: 13.7

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.11 AU - 1.69 AU

Year: 1124 Days

Day: 10.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,226,168 km

• M1: 170,392 km (0.117 R)
• M2: 853,456 km (0.072 R)
• M3: 1,490,294 km (0.025 R)
• M4: 2,458,342 km (0.112 R)
• M5: 3,035,191 km (0.089 R)
• M6: 3,939,510 km (0.08 R)
• M7: 4,716,522 km (0.096 R)
• M8: 5,191,046 km (0.119 R)
• M9: 5,634,903 km (0.077 R)
• M10: 6,646,185 km (0.05 R)
• M11: 7,620,964 km (0.072 R)
• M12: 10,827,146 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.7

Radius: 13.5

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.45 AU - 2.09 AU

Year: 1597 Days

Day: 10.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,226,168 km

• M1: 167,849 km (0.082 R)
• M2: 611,855 km (0.087 R)
• M3: 1,301,202 km (0.028 R)
• M4: 1,749,397 km (0.058 R)
• M5: 2,337,317 km (0.094 R)
• M6: 2,999,587 km (0.079 R)
• M7: 3,513,755 km (0.092 R)
• M8: 3,950,431 km (0.11 R)
• M9: 4,478,212 km (0.058 R)
• M10: 5,053,117 km (0.076 R)
• M11: 5,940,681 km (0.081 R)
• M12: 6,540,569 km (0.117 R)
• M13: 7,231,561 km (0.086 R)
• M14: 9,054,112 km (0.115 R)
• M15: 10,726,167 km (0.078 R)
• M16: 11,303,914 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.5

Radius: 8.1

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.7 AU - 2.38 AU

Year: 1976 Days

Day: 9.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,226,168 km

• M1: 100,829 km (0.105 R)
• M2: 399,726 km (0.115 R)
• M3: 701,165 km (0.105 R)
• M4: 963,859 km (0.055 R)
• M5: 1,557,763 km (0.064 R)
• M6: 1,986,959 km (0.083 R)
• M7: 2,410,620 km (0.102 R)
• M8: 3,027,412 km (0.108 R)
• M9: 3,776,748 km (0.118 R)
• M10: 4,203,700 km (0.12 R)
• M11: 4,717,419 km (0.085 R)
• M12: 5,848,828 km (0.072 R)
• M13: 7,126,992 km (0.066 R)
• M14: 7,448,628 km (0.031 R)
• M15: 8,748,783 km (0.064 R)
• M16: 9,379,188 km (0.045 R)

Planet 9 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.3

Radius: 13.2

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.34 AU - 3.36 AU

Year: 3263 Days

Day: 8.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,226,168 km

• M1: 169,046 km (0.066 R)
• M2: 777,759 km (0.115 R)
• M3: 1,247,497 km (0.086 R)
• M4: 1,735,186 km (0.079 R)
• M5: 2,289,296 km (0.052 R)
• M6: 3,359,220 km (0.069 R)
• M7: 5,810,830 km (0.073 R)
• M8: 6,342,202 km (0.091 R)
• M9: 7,446,982 km (0.106 R)
• M10: 8,862,477 km (0.118 R)
• M11: 11,534,893 km (0.116 R)
• M12: 12,066,115 km (0.094 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 102.1

Radius: 7.3

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 10.13 AU - 11.27 AU

Year: 23739 Days

Day: 18.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,226,168 km

• M1: 90,806 km (0.046 R)
• M2: 598,092 km (0.086 R)
• M3: 839,244 km (0.05 R)
• M4: 1,092,214 km (0.065 R)
• M5: 1,474,885 km (0.102 R)
• M6: 2,303,658 km (0.061 R)
• M7: 12,890,849 km (0.057 R)
• M8: 13,424,165 km (0.115 R)
• M9: 15,572,241 km (0.087 R)
• M10: 24,345,109 km (0.047 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: 483 - 15,514 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit