🌌 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 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.52 AU - 0.54 AU

Year: 249 Days

Day: 12.6 Hours

Environment

Temp: -126 °C

Axial Tilt: 38.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.58 AU - 0.74 AU

Year: 346 Days

Day: 31.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 18.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.1

Radius: 12.7

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.76 AU - 1.26 AU

Year: 655 Days

Day: 6.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 115.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,715,754 km

• M1: 157,975 km (0.041 R)
• M2: 578,794 km (0.117 R)
• M3: 984,803 km (0.043 R)
• M4: 1,414,597 km (0.063 R)
• M5: 2,118,007 km (0.076 R)
• M6: 2,726,421 km (0.075 R)
• M7: 3,159,956 km (0.066 R)
• M8: 3,600,970 km (0.066 R)
• M9: 4,809,123 km (0.026 R)
• M10: 6,308,991 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.2

Radius: 10.8

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.87 AU - 1.39 AU

Year: 776 Days

Day: 14.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,715,754 km

• M1: 134,339 km (0.116 R)
• M2: 520,750 km (0.076 R)
• M3: 950,096 km (0.101 R)
• M4: 1,322,744 km (0.114 R)
• M5: 1,691,653 km (0.106 R)
• M6: 2,345,096 km (0.119 R)
• M7: 2,993,154 km (0.054 R)
• M8: 4,028,371 km (0.091 R)
• M9: 4,493,770 km (0.113 R)
• M10: 5,231,737 km (0.087 R)
• M11: 5,649,414 km (0.104 R)
• M12: 6,068,886 km (0.072 R)
• M13: 8,132,589 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.4

Radius: 12.9

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.66 AU - 1.94 AU

Year: 1559 Days

Day: 14.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,715,754 km

• M1: 160,519 km (0.055 R)
• M2: 589,116 km (0.09 R)
• M3: 1,037,910 km (0.119 R)
• M4: 1,486,853 km (0.094 R)
• M5: 2,010,895 km (0.055 R)
• M6: 2,418,848 km (0.112 R)
• M7: 2,825,305 km (0.058 R)
• M8: 3,309,703 km (0.097 R)
• M9: 4,048,418 km (0.1 R)
• M10: 4,978,767 km (0.066 R)
• M11: 5,483,510 km (0.053 R)
• M12: 5,950,255 km (0.101 R)
• M13: 6,392,915 km (0.099 R)
• M14: 6,831,237 km (0.086 R)
• M15: 7,540,481 km (0.104 R)
• M16: 8,178,516 km (0.094 R)
• M17: 8,978,715 km (0.117 R)
• M18: 10,276,177 km (0.107 R)
• M19: 12,156,921 km (0.094 R)
• M20: 12,913,139 km (0.05 R)
• M21: 14,874,067 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789

Radius: 8.6

Gravity: 10.67 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.48 AU - 4.1 AU

Year: 3853 Days

Day: 11.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 56,715,754 km

• M1: 106,962 km (0.051 R)
• M2: 531,072 km (0.067 R)
• M3: 1,112,111 km (0.062 R)
• M4: 1,666,819 km (0.108 R)
• M5: 2,442,036 km (0.106 R)
• M6: 3,580,775 km (0.103 R)
• M7: 4,233,321 km (0.081 R)
• M8: 4,588,167 km (0.096 R)
• M9: 5,250,436 km (0.092 R)
• M10: 5,576,859 km (0.117 R)
• M11: 6,180,935 km (0.089 R)
• M12: 7,384,001 km (0.071 R)
• M13: 8,438,816 km (0.073 R)
• M14: 9,471,340 km (0.119 R)
• M15: 9,833,517 km (0.042 R)
• M16: 10,330,780 km (0.105 R)
• M17: 10,714,648 km (0.055 R)
• M18: 11,601,913 km (0.106 R)
• M19: 12,157,221 km (0.078 R)
• M20: 12,925,106 km (0.086 R)
• M21: 13,930,105 km (0.109 R)
• M22: 14,398,945 km (0.106 R)
• M23: 17,257,012 km (0.079 R)
• M24: 17,919,731 km (0.054 R)
• M25: 18,599,204 km (0.084 R)
• M26: 19,040,518 km (0.091 R)
• M27: 19,813,191 km (0.082 R)
• M28: 20,339,775 km (0.03 R)
• M29: 21,906,065 km (0.099 R)
• M30: 22,825,942 km (0.112 R)
• M31: 23,624,346 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.2

Radius: 12.9

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3 AU - 3.74 AU

Year: 3994 Days

Day: 9.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,715,754 km

• M1: 161,715 km (0.104 R)
• M2: 575,503 km (0.06 R)
• M3: 1,196,484 km (0.038 R)
• M4: 1,672,504 km (0.032 R)
• M5: 2,218,985 km (0.114 R)
• M6: 2,701,588 km (0.089 R)
• M7: 3,657,369 km (0.107 R)
• M8: 4,496,014 km (0.085 R)
• M9: 5,199,723 km (0.095 R)
• M10: 5,864,386 km (0.09 R)
• M11: 7,076,578 km (0.069 R)
• M12: 7,526,867 km (0.077 R)
• M13: 8,736,964 km (0.089 R)
• M14: 9,407,761 km (0.113 R)
• M15: 9,992,988 km (0.08 R)
• M16: 10,478,433 km (0.112 R)
• M17: 12,955,774 km (0.093 R)
• M18: 18,371,367 km (0.115 R)
• M19: 19,163,038 km (0.117 R)
• M20: 23,894,221 km (0.089 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.2

Radius: 13.2

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.25 AU - 5.01 AU

Year: 6433 Days

Day: 14.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,715,754 km

• M1: 164,109 km (0.119 R)
• M2: 1,734,438 km (0.072 R)
• M3: 2,547,203 km (0.063 R)
• M4: 3,108,345 km (0.084 R)
• M5: 3,751,167 km (0.119 R)
• M6: 4,395,933 km (0.114 R)
• M7: 5,500,863 km (0.062 R)
• M8: 6,253,490 km (0.11 R)
• M9: 6,669,223 km (0.091 R)
• M10: 8,998,312 km (0.041 R)
• M11: 11,331,590 km (0.079 R)
• M12: 13,396,489 km (0.074 R)
• M13: 14,090,324 km (0.059 R)
• M14: 16,109,746 km (0.102 R)
• M15: 18,036,118 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 979.2

Radius: 7.2

Gravity: 18.89 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 7.07 AU - 8.91 AU

Year: 14583 Days

Day: 16.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 56,715,754 km

• M1: 89,759 km (0.057 R)
• M2: 378,931 km (0.114 R)
• M3: 731,683 km (0.11 R)
• M4: 1,294,321 km (0.078 R)
• M5: 2,018,674 km (0.1 R)
• M6: 3,406,493 km (0.109 R)
• M7: 3,805,321 km (0.111 R)
• M8: 4,046,922 km (0.111 R)
• M9: 4,868,962 km (0.099 R)
• M10: 6,200,383 km (0.096 R)
• M11: 6,493,296 km (0.077 R)
• M12: 6,795,483 km (0.103 R)
• M13: 7,903,405 km (0.077 R)
• M14: 8,967,495 km (0.119 R)
• M15: 10,066,890 km (0.12 R)
• M16: 11,192,165 km (0.108 R)
• M17: 12,464,644 km (0.085 R)
• M18: 13,619,839 km (0.088 R)
• M19: 16,457,262 km (0.116 R)
• M20: 22,771,489 km (0.105 R)
• M21: 24,285,419 km (0.119 R)
• M22: 25,757,761 km (0.081 R)
• M23: 26,625,429 km (0.06 R)
• M24: 28,763,781 km (0.053 R)
• M25: 28,995,358 km (0.108 R)
• M26: 30,410,854 km (0.103 R)
• M27: 37,629,699 km (0.108 R)
• M28: 39,170,407 km (0.088 R)
• M29: 48,157,200 km (0.037 R)
• M30: 52,174,801 km (0.1 R)
• M31: 64,760,170 km (0.083 R)
• M32: 65,158,101 km (0.057 R)

Asteroid Belt

Center: 9.27 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 10.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 231.8

Radius: 4.4

Gravity: 11.97 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 10.04 AU - 11.06 AU

Year: 22126 Days

Day: 23.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 56,715,754 km

• M1: 114,891 km (0.102 R)
• M2: 828,323 km (0.104 R)
• M3: 1,678,189 km (0.089 R)
• M4: 1,964,070 km (0.076 R)
• M5: 2,128,179 km (0.114 R)
• M6: 3,066,607 km (0.09 R)
• M7: 3,338,875 km (0.109 R)
• M8: 4,466,095 km (0.062 R)
• M9: 5,115,350 km (0.052 R)
• M10: 5,252,381 km (0.12 R)
• M11: 6,127,230 km (0.118 R)
• M12: 9,846,233 km (0.06 R)
• M13: 10,005,255 km (0.084 R)
• M14: 11,052,889 km (0.066 R)
• M15: 11,224,777 km (0.107 R)
• M16: 12,416,324 km (0.053 R)
• M17: 14,290,187 km (0.041 R)
• M18: 16,642,464 km (0.048 R)
• M19: 17,172,639 km (0.066 R)
• M20: 23,108,383 km (0.086 R)
• M21: 31,295,875 km (0.06 R)
• M22: 34,484,553 km (0.083 R)
• M23: 35,221,472 km (0.097 R)
• M24: 36,726,576 km (0.062 R)
• M25: 39,864,541 km (0.046 R)
• M26: 40,948,976 km (0.117 R)
• M27: 42,612,205 km (0.095 R)
• M28: 56,207,361 km (0.068 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 20,190 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit