🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.6

Radius: 10.9

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.25 AU - 1.39 AU

Year: 1011 Days

Day: 11.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,634,147 km

• M1: 136,882 km (0.051 R)
• M2: 1,041,201 km (0.062 R)
• M3: 1,840,652 km (0.085 R)
• M4: 2,762,175 km (0.069 R)
• M5: 3,272,603 km (0.075 R)
• M6: 4,433,183 km (0.106 R)
• M7: 5,228,296 km (0.105 R)
• M8: 6,454,699 km (0.106 R)
• M9: 7,263,425 km (0.118 R)
• M10: 7,814,544 km (0.12 R)
• M11: 8,627,459 km (0.119 R)
• M12: 9,328,774 km (0.035 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.1

Radius: 11.8

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.13 AU - 1.53 AU

Year: 1023 Days

Day: 6.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,634,147 km

• M1: 147,504 km (0.085 R)
• M2: 582,534 km (0.113 R)
• M3: 1,236,426 km (0.106 R)
• M4: 1,664,426 km (0.086 R)
• M5: 2,170,964 km (0.11 R)
• M6: 2,842,210 km (0.059 R)
• M7: 3,863,365 km (0.076 R)
• M8: 4,236,911 km (0.103 R)
• M9: 5,076,454 km (0.048 R)
• M10: 8,643,466 km (0.095 R)
• M11: 10,265,256 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868

Radius: 11.8

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.74 AU - 3.98 AU

Year: 5057 Days

Day: 9.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 46,634,147 km

• M1: 146,756 km (0.096 R)
• M2: 530,175 km (0.074 R)
• M3: 937,979 km (0.065 R)
• M4: 1,357,152 km (0.086 R)
• M5: 1,740,571 km (0.093 R)
• M6: 3,549,808 km (0.112 R)
• M7: 3,955,966 km (0.083 R)
• M8: 4,862,679 km (0.065 R)
• M9: 5,810,980 km (0.092 R)
• M10: 6,476,092 km (0.118 R)
• M11: 7,191,319 km (0.053 R)
• M12: 7,883,209 km (0.09 R)
• M13: 9,065,481 km (0.058 R)
• M14: 10,138,098 km (0.05 R)
• M15: 12,178,164 km (0.027 R)
• M16: 13,428,952 km (0.116 R)
• M17: 15,345,151 km (0.094 R)
• M18: 16,368,849 km (0.114 R)
• M19: 17,437,427 km (0.064 R)
• M20: 18,551,931 km (0.078 R)
• M21: 19,435,755 km (0.084 R)
• M22: 21,508,434 km (0.11 R)
• M23: 22,105,180 km (0.082 R)
• M24: 25,092,051 km (0.031 R)
• M25: 26,341,941 km (0.106 R)
• M26: 26,767,547 km (0.104 R)
• M27: 28,427,335 km (0.076 R)
• M28: 30,996,679 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.6

Radius: 8.2

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 3.78 AU - 4.04 AU

Year: 5156 Days

Day: 6 Hours

Environment

Temp: -225 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,634,147 km

• M1: 102,026 km (0.102 R)
• M2: 409,749 km (0.108 R)
• M3: 700,118 km (0.074 R)
• M4: 1,071,420 km (0.075 R)
• M5: 1,628,074 km (0.116 R)
• M6: 2,758,884 km (0.103 R)
• M7: 3,105,053 km (0.106 R)
• M8: 4,669,249 km (0.1 R)
• M9: 5,448,504 km (0.115 R)
• M10: 6,253,341 km (0.082 R)
• M11: 7,457,753 km (0.054 R)
• M12: 7,823,819 km (0.117 R)
• M13: 8,307,020 km (0.064 R)
• M14: 9,371,259 km (0.108 R)
• M15: 10,773,440 km (0.08 R)
• M16: 11,812,397 km (0.12 R)
• M17: 12,310,409 km (0.111 R)
• M18: 13,789,184 km (0.064 R)
• M19: 14,088,529 km (0.039 R)
• M20: 16,473,867 km (0.026 R)
• M21: 16,981,303 km (0.101 R)
• M22: 20,183,745 km (0.118 R)
• M23: 23,767,661 km (0.07 R)

Asteroid Belt

Center: 4.3 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.9

Radius: 9.1

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.74 AU - 5.64 AU

Year: 6773 Days

Day: 6.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,634,147 km

• M1: 115,490 km (0.115 R)
• M2: 553,961 km (0.026 R)
• M3: 1,002,306 km (0.066 R)
• M4: 1,756,728 km (0.098 R)
• M5: 2,657,756 km (0.039 R)
• M6: 3,018,586 km (0.089 R)
• M7: 3,550,705 km (0.042 R)
• M8: 4,342,677 km (0.104 R)
• M9: 6,377,806 km (0.117 R)
• M10: 6,889,132 km (0.068 R)
• M11: 7,369,640 km (0.12 R)
• M12: 7,842,070 km (0.06 R)
• M13: 8,685,054 km (0.065 R)
• M14: 10,114,761 km (0.076 R)
• M15: 11,382,154 km (0.104 R)
• M16: 14,501,569 km (0.06 R)
• M17: 15,244,023 km (0.088 R)
• M18: 16,754,363 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.5

Radius: 11.2

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 4.55 AU - 4.89 AU

Year: 6838 Days

Day: 7.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,634,147 km

• M1: 139,575 km (0.075 R)
• M2: 815,159 km (0.036 R)
• M3: 1,688,062 km (0.099 R)
• M4: 2,304,256 km (0.072 R)
• M5: 3,009,760 km (0.114 R)
• M6: 4,355,841 km (0.103 R)
• M7: 6,845,748 km (0.103 R)
• M8: 7,242,033 km (0.052 R)
• M9: 12,000,741 km (0.114 R)
• M10: 15,187,625 km (0.089 R)
• M11: 20,622,216 km (0.109 R)
• M12: 21,034,209 km (0.074 R)
• M13: 21,874,500 km (0.113 R)
• M14: 22,737,231 km (0.097 R)
• M15: 26,496,326 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97

Radius: 12.3

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 5.14 AU - 6.08 AU

Year: 8861 Days

Day: 6.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,634,147 km

• M1: 154,086 km (0.059 R)
• M2: 752,776 km (0.085 R)
• M3: 1,303,297 km (0.077 R)
• M4: 2,469,861 km (0.098 R)
• M5: 4,304,380 km (0.11 R)
• M6: 5,530,783 km (0.11 R)
• M7: 7,939,009 km (0.118 R)
• M8: 8,347,561 km (0.064 R)
• M9: 9,811,975 km (0.053 R)
• M10: 11,570,498 km (0.093 R)
• M11: 13,291,771 km (0.08 R)
• M12: 15,808,905 km (0.105 R)
• M13: 21,570,367 km (0.057 R)
• M14: 22,234,133 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 511.8

Radius: 5.6

Gravity: 16.32 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 6.28 AU - 6.76 AU

Year: 11102 Days

Day: 19.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,634,147 km

• M1: 69,713 km (0.087 R)
• M2: 369,208 km (0.042 R)
• M3: 579,093 km (0.057 R)
• M4: 996,322 km (0.077 R)
• M5: 1,483,861 km (0.066 R)
• M6: 1,668,166 km (0.086 R)
• M7: 3,902,560 km (0.118 R)
• M8: 5,091,564 km (0.086 R)
• M9: 5,785,997 km (0.091 R)
• M10: 8,159,816 km (0.057 R)
• M11: 8,512,717 km (0.074 R)
• M12: 12,857,488 km (0.098 R)
• M13: 15,566,855 km (0.118 R)
• M14: 19,871,684 km (0.106 R)
• M15: 20,429,833 km (0.082 R)
• M16: 24,999,749 km (0.116 R)
• M17: 28,164,342 km (0.061 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 318 - 19,697 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit