🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.5

Radius: 12.7

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.8 AU - 1.24 AU

Year: 655 Days

Day: 5.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,250,713 km

• M1: 157,975 km (0.069 R)
• M2: 572,511 km (0.08 R)
• M3: 1,008,738 km (0.062 R)
• M4: 1,469,350 km (0.118 R)
• M5: 1,920,388 km (0.068 R)
• M6: 2,346,143 km (0.102 R)
• M7: 2,804,810 km (0.119 R)
• M8: 3,232,660 km (0.071 R)
• M9: 3,804,124 km (0.106 R)
• M10: 4,289,869 km (0.082 R)
• M11: 5,260,310 km (0.036 R)
• M12: 5,680,830 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.9

Radius: 9

Gravity: 12.13 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.68 AU - 4.4 AU

Year: 5163 Days

Day: 13.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,250,713 km

• M1: 111,899 km (0.113 R)
• M2: 486,343 km (0.083 R)
• M3: 849,118 km (0.108 R)
• M4: 1,248,394 km (0.085 R)
• M5: 1,548,488 km (0.092 R)
• M6: 1,854,565 km (0.11 R)
• M7: 2,331,632 km (0.103 R)
• M8: 3,378,967 km (0.091 R)
• M9: 4,293,010 km (0.073 R)
• M10: 5,913,753 km (0.093 R)
• M11: 6,301,212 km (0.089 R)
• M12: 6,913,965 km (0.086 R)
• M13: 7,528,662 km (0.086 R)
• M14: 8,218,757 km (0.06 R)
• M15: 10,731,104 km (0.113 R)
• M16: 11,162,245 km (0.05 R)
• M17: 11,455,906 km (0.097 R)
• M18: 12,008,071 km (0.104 R)
• M19: 13,219,665 km (0.067 R)
• M20: 13,995,928 km (0.109 R)
• M21: 14,452,949 km (0.068 R)
• M22: 15,578,374 km (0.059 R)
• M23: 20,595,139 km (0.108 R)
• M24: 23,666,682 km (0.056 R)
• M25: 27,472,602 km (0.085 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 816.9

Radius: 7.2

Gravity: 15.76 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 5.24 AU - 8.42 AU

Year: 11349 Days

Day: 20.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 60,250,713 km

• M1: 95,294 km (0.081 R)
• M2: 319,990 km (0.033 R)
• M3: 726,896 km (0.091 R)
• M4: 1,015,919 km (0.11 R)
• M5: 1,881,941 km (0.108 R)
• M6: 2,317,720 km (0.119 R)
• M7: 2,955,007 km (0.099 R)
• M8: 3,265,123 km (0.051 R)
• M9: 4,209,684 km (0.092 R)
• M10: 4,793,116 km (0.065 R)
• M11: 5,121,034 km (0.115 R)
• M12: 5,713,143 km (0.117 R)
• M13: 5,969,853 km (0.11 R)
• M14: 7,200,744 km (0.118 R)
• M15: 9,126,667 km (0.052 R)
• M16: 12,996,016 km (0.092 R)
• M17: 16,995,664 km (0.109 R)
• M18: 17,992,884 km (0.049 R)
• M19: 19,602,557 km (0.117 R)
• M20: 23,013,089 km (0.118 R)
• M21: 24,712,820 km (0.041 R)
• M22: 25,395,884 km (0.086 R)
• M23: 26,393,403 km (0.077 R)
• M24: 26,901,736 km (0.09 R)
• M25: 29,651,495 km (0.111 R)
• M26: 31,661,342 km (0.07 R)
• M27: 33,286,125 km (0.034 R)
• M28: 36,324,308 km (0.077 R)
• M29: 43,366,628 km (0.054 R)
• M30: 48,484,670 km (0.105 R)
• M31: 51,899,540 km (0.11 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 150.1

Radius: 6.4

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 5.5 AU - 9 AU

Year: 12412 Days

Day: 17.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 159.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,250,713 km

• M1: 79,736 km (0.092 R)
• M2: 304,432 km (0.046 R)
• M3: 599,887 km (0.092 R)
• M4: 826,229 km (0.084 R)
• M5: 2,242,622 km (0.081 R)
• M6: 2,493,946 km (0.076 R)
• M7: 3,053,442 km (0.102 R)
• M8: 3,854,688 km (0.108 R)
• M9: 4,952,886 km (0.09 R)
• M10: 5,558,907 km (0.086 R)
• M11: 5,958,184 km (0.049 R)
• M12: 6,213,248 km (0.1 R)
• M13: 7,128,488 km (0.08 R)
• M14: 7,600,021 km (0.047 R)
• M15: 7,900,264 km (0.093 R)
• M16: 8,848,864 km (0.075 R)
• M17: 11,112,878 km (0.102 R)
• M18: 12,301,134 km (0.104 R)
• M19: 13,032,069 km (0.078 R)
• M20: 13,354,153 km (0.106 R)
• M21: 13,736,525 km (0.115 R)
• M22: 18,437,788 km (0.117 R)
• M23: 19,117,561 km (0.112 R)
• M24: 19,743,628 km (0.072 R)
• M25: 24,677,216 km (0.11 R)
• M26: 27,121,196 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 872.2

Radius: 7.6

Gravity: 15.1 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 6.27 AU - 8.29 AU

Year: 12489 Days

Day: 24.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,250,713 km

• M1: 94,695 km (0.1 R)
• M2: 855,401 km (0.102 R)
• M3: 1,373,009 km (0.088 R)
• M4: 1,852,171 km (0.09 R)
• M5: 2,276,132 km (0.097 R)
• M6: 2,543,313 km (0.084 R)
• M7: 2,785,812 km (0.049 R)
• M8: 3,043,868 km (0.111 R)
• M9: 4,615,394 km (0.08 R)
• M10: 6,300,314 km (0.092 R)
• M11: 7,128,638 km (0.088 R)
• M12: 11,002,175 km (0.118 R)
• M13: 12,014,803 km (0.064 R)
• M14: 13,088,318 km (0.09 R)
• M15: 14,570,683 km (0.05 R)
• M16: 17,546,933 km (0.096 R)
• M17: 18,431,355 km (0.087 R)
• M18: 24,175,913 km (0.085 R)
• M19: 26,190,099 km (0.12 R)
• M20: 30,894,503 km (0.076 R)
• M21: 33,141,463 km (0.116 R)
• M22: 37,825,822 km (0.096 R)
• M23: 39,163,675 km (0.115 R)
• M24: 42,933,093 km (0.105 R)
• M25: 46,329,114 km (0.103 R)
• M26: 47,551,030 km (0.118 R)
• M27: 50,860,882 km (0.098 R)
• M28: 53,984,935 km (0.028 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 189 - 17,039 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit