🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.6

Radius: 11.8

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.04 AU - 1.28 AU

Year: 878 Days

Day: 13.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,308,377 km

• M1: 147,055 km (0.107 R)
• M2: 550,819 km (0.085 R)
• M3: 974,630 km (0.114 R)
• M4: 1,404,275 km (0.06 R)
• M5: 1,903,483 km (0.041 R)
• M6: 2,427,525 km (0.08 R)
• M7: 3,114,029 km (0.077 R)
• M8: 4,356,589 km (0.07 R)
• M9: 4,727,293 km (0.119 R)
• M10: 5,119,090 km (0.046 R)
• M11: 5,820,853 km (0.058 R)
• M12: 6,494,941 km (0.117 R)
• M13: 7,590,596 km (0.091 R)
• M14: 8,585,272 km (0.117 R)
• M15: 9,085,976 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.2

Radius: 14.6

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.76 AU - 1.82 AU

Year: 1683 Days

Day: 8.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,308,377 km

• M1: 181,612 km (0.074 R)
• M2: 737,966 km (0.111 R)
• M3: 1,372,560 km (0.025 R)
• M4: 1,955,693 km (0.082 R)
• M5: 2,682,290 km (0.027 R)
• M6: 3,391,384 km (0.108 R)
• M7: 3,866,806 km (0.049 R)
• M8: 4,462,953 km (0.032 R)
• M9: 5,569,978 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618

Radius: 9.2

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.98 AU - 3.32 AU

Year: 3930 Days

Day: 8.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 41,308,377 km

• M1: 116,238 km (0.073 R)
• M2: 510,278 km (0.087 R)
• M3: 1,130,062 km (0.088 R)
• M4: 2,553,486 km (0.043 R)
• M5: 2,901,451 km (0.109 R)
• M6: 3,206,331 km (0.116 R)
• M7: 3,838,681 km (0.063 R)
• M8: 4,320,087 km (0.098 R)
• M9: 5,091,863 km (0.118 R)
• M10: 5,537,664 km (0.111 R)
• M11: 7,823,520 km (0.096 R)
• M12: 8,744,744 km (0.097 R)
• M13: 10,717,341 km (0.108 R)
• M14: 13,852,464 km (0.1 R)
• M15: 16,123,210 km (0.097 R)
• M16: 16,628,103 km (0.074 R)
• M17: 18,086,233 km (0.088 R)
• M18: 19,690,969 km (0.104 R)
• M19: 21,054,853 km (0.051 R)
• M20: 23,181,686 km (0.077 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 439

Radius: 3.7

Gravity: 32.07 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 5.09 AU - 6.53 AU

Year: 9844 Days

Day: 25 Hours

Environment

Temp: -235 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 41,308,377 km

• M1: 46,076 km (0.086 R)
• M2: 207,193 km (0.115 R)
• M3: 418,874 km (0.107 R)
• M4: 556,055 km (0.06 R)
• M5: 747,541 km (0.063 R)
• M6: 1,137,991 km (0.086 R)
• M7: 1,568,085 km (0.108 R)
• M8: 1,767,499 km (0.078 R)
• M9: 2,252,346 km (0.114 R)
• M10: 2,377,110 km (0.054 R)
• M11: 2,759,632 km (0.045 R)
• M12: 3,868,601 km (0.084 R)
• M13: 4,126,807 km (0.099 R)
• M14: 5,432,946 km (0.085 R)
• M15: 6,514,090 km (0.092 R)
• M16: 6,916,658 km (0.112 R)
• M17: 8,224,143 km (0.09 R)
• M18: 10,066,890 km (0.04 R)
• M19: 10,754,441 km (0.101 R)
• M20: 12,058,935 km (0.087 R)
• M21: 12,442,354 km (0.08 R)
• M22: 12,833,702 km (0.101 R)
• M23: 14,177,689 km (0.108 R)
• M24: 14,604,791 km (0.118 R)
• M25: 15,229,512 km (0.072 R)
• M26: 17,977,924 km (0.056 R)
• M27: 19,060,713 km (0.113 R)
• M28: 19,282,418 km (0.079 R)
• M29: 21,514,717 km (0.103 R)
• M30: 22,078,252 km (0.099 R)
• M31: 22,900,143 km (0.116 R)
• M32: 26,484,209 km (0.106 R)
• M33: 27,131,369 km (0.112 R)
• M34: 27,318,067 km (0.088 R)
• M35: 28,360,914 km (0.072 R)
• M36: 31,236,484 km (0.099 R)
• M37: 34,848,375 km (0.082 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 394.8

Radius: 6.6

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.78 AU - 6.38 AU

Year: 10538 Days

Day: 24.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 41,308,377 km

• M1: 82,279 km (0.093 R)
• M2: 474,824 km (0.097 R)
• M3: 733,927 km (0.11 R)
• M4: 948,899 km (0.049 R)
• M5: 2,103,346 km (0.1 R)
• M6: 2,820,817 km (0.081 R)
• M7: 3,666,195 km (0.082 R)
• M8: 4,641,424 km (0.097 R)
• M9: 5,518,665 km (0.1 R)
• M10: 6,081,752 km (0.064 R)
• M11: 6,430,614 km (0.029 R)
• M12: 7,676,764 km (0.102 R)
• M13: 8,722,453 km (0.085 R)
• M14: 9,347,922 km (0.116 R)
• M15: 11,561,372 km (0.077 R)
• M16: 12,096,783 km (0.113 R)
• M17: 12,426,048 km (0.072 R)
• M18: 12,930,941 km (0.068 R)
• M19: 14,651,167 km (0.108 R)
• M20: 17,266,586 km (0.108 R)
• M21: 20,562,975 km (0.099 R)
• M22: 21,668,504 km (0.104 R)
• M23: 22,072,717 km (0.037 R)
• M24: 22,729,900 km (0.119 R)
• M25: 24,604,511 km (0.09 R)
• M26: 25,221,902 km (0.108 R)
• M27: 27,229,655 km (0.103 R)
• M28: 32,816,687 km (0.048 R)
• M29: 34,214,828 km (0.118 R)
• M30: 38,528,632 km (0.063 R)
• M31: 40,570,793 km (0.047 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 537 - 18,444 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit