🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.48 AU - 0.52 AU

Year: 232 Days

Day: 12.5 Hours

Environment

Temp: -114 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,756,891 km

• M1: 276,457 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.8

Radius: 10.1

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.61 AU - 0.87 AU

Year: 418 Days

Day: 11.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 65,756,891 km

• M1: 125,662 km (0.111 R)
• M2: 459,116 km (0.092 R)
• M3: 1,309,281 km (0.12 R)
• M4: 1,840,951 km (0.052 R)
• M5: 2,223,024 km (0.031 R)

Asteroid Belt

Center: 1.24 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833

Radius: 13.4

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.46 AU - 2.02 AU

Year: 1506 Days

Day: 7.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,756,891 km

• M1: 168,148 km (0.1 R)
• M2: 588,967 km (0.109 R)
• M3: 1,089,671 km (0.094 R)
• M4: 1,789,490 km (0.078 R)
• M5: 2,720,886 km (0.038 R)
• M6: 3,352,039 km (0.112 R)
• M7: 4,471,630 km (0.055 R)
• M8: 4,992,530 km (0.051 R)
• M9: 5,553,821 km (0.079 R)
• M10: 6,425,229 km (0.068 R)
• M11: 6,907,083 km (0.091 R)
• M12: 8,410,243 km (0.114 R)
• M13: 9,207,450 km (0.089 R)
• M14: 10,497,283 km (0.102 R)
• M15: 12,594,346 km (0.104 R)
• M16: 13,474,131 km (0.056 R)
• M17: 14,181,729 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.4

Radius: 12.6

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.24 AU - 3.46 AU

Year: 3156 Days

Day: 9.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,756,891 km

• M1: 156,779 km (0.077 R)
• M2: 614,698 km (0.107 R)
• M3: 1,380,340 km (0.065 R)
• M4: 1,956,142 km (0.08 R)
• M5: 2,794,488 km (0.062 R)
• M6: 4,485,543 km (0.101 R)
• M7: 4,970,090 km (0.073 R)
• M8: 5,915,698 km (0.042 R)
• M9: 7,478,846 km (0.115 R)
• M10: 8,003,785 km (0.027 R)
• M11: 9,372,007 km (0.114 R)
• M12: 10,317,167 km (0.099 R)
• M13: 10,968,665 km (0.086 R)
• M14: 11,770,211 km (0.08 R)
• M15: 12,524,783 km (0.107 R)
• M16: 17,210,637 km (0.086 R)
• M17: 18,514,980 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776

Radius: 10.4

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.44 AU - 3.76 AU

Year: 4481 Days

Day: 10.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,756,891 km

• M1: 129,402 km (0.05 R)
• M2: 623,823 km (0.036 R)
• M3: 1,195,287 km (0.061 R)
• M4: 4,178,119 km (0.11 R)
• M5: 4,565,129 km (0.078 R)
• M6: 5,136,144 km (0.041 R)
• M7: 7,241,135 km (0.026 R)
• M8: 8,618,782 km (0.03 R)
• M9: 9,533,424 km (0.108 R)
• M10: 11,838,128 km (0.109 R)
• M11: 12,666,003 km (0.119 R)
• M12: 13,532,025 km (0.092 R)
• M13: 15,044,011 km (0.071 R)
• M14: 15,725,279 km (0.035 R)
• M15: 20,389,442 km (0.115 R)
• M16: 20,873,540 km (0.061 R)
• M17: 21,864,477 km (0.089 R)
• M18: 22,960,880 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.3

Radius: 11.6

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 4.28 AU - 4.62 AU

Year: 6158 Days

Day: 12.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,756,891 km

• M1: 144,212 km (0.089 R)
• M2: 555,307 km (0.054 R)
• M3: 1,000,660 km (0.085 R)
• M4: 1,675,945 km (0.116 R)
• M5: 2,402,841 km (0.107 R)
• M6: 4,657,131 km (0.107 R)
• M7: 6,310,188 km (0.05 R)
• M8: 9,985,658 km (0.083 R)
• M9: 23,574,231 km (0.101 R)
• M10: 25,222,949 km (0.085 R)
• M11: 27,795,284 km (0.091 R)
• M12: 28,836,486 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 600.9

Radius: 3

Gravity: 66.77 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 7.21 AU - 7.45 AU

Year: 13019 Days

Day: 21.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 65,756,891 km

• M1: 40,092 km (0.062 R)
• M2: 146,606 km (0.113 R)
• M3: 394,789 km (0.099 R)
• M4: 515,215 km (0.049 R)
• M5: 728,841 km (0.079 R)
• M6: 922,720 km (0.11 R)
• M7: 1,149,660 km (0.063 R)
• M8: 1,879,548 km (0.055 R)
• M9: 2,186,074 km (0.029 R)
• M10: 2,524,763 km (0.108 R)
• M11: 3,206,032 km (0.109 R)
• M12: 5,085,879 km (0.069 R)
• M13: 5,569,678 km (0.06 R)
• M14: 6,508,704 km (0.1 R)
• M15: 6,668,175 km (0.088 R)
• M16: 7,903,106 km (0.115 R)
• M17: 8,222,647 km (0.088 R)
• M18: 8,598,138 km (0.084 R)
• M19: 10,376,557 km (0.117 R)
• M20: 10,759,378 km (0.094 R)
• M21: 11,728,323 km (0.078 R)
• M22: 13,513,026 km (0.097 R)
• M23: 13,642,428 km (0.113 R)
• M24: 16,333,245 km (0.073 R)
• M25: 17,303,387 km (0.083 R)
• M26: 17,763,700 km (0.096 R)
• M27: 18,469,652 km (0.094 R)
• M28: 19,604,352 km (0.09 R)
• M29: 19,770,256 km (0.092 R)
• M30: 21,304,981 km (0.095 R)
• M31: 22,461,522 km (0.095 R)
• M32: 26,382,332 km (0.097 R)
• M33: 26,686,016 km (0.101 R)
• M34: 31,071,627 km (0.113 R)
• M35: 33,139,968 km (0.075 R)
• M36: 33,257,402 km (0.052 R)
• M37: 40,829,148 km (0.07 R)
• M38: 46,762,350 km (0.102 R)
• M39: 46,910,302 km (0.049 R)
• M40: 47,058,404 km (0.056 R)
• M41: 47,654,252 km (0.061 R)
• M42: 53,567,557 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 408.5

Radius: 6.5

Gravity: 9.67 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 8.81 AU - 11.23 AU

Year: 20807 Days

Day: 17.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,756,891 km

• M1: 80,783 km (0.076 R)
• M2: 606,171 km (0.092 R)
• M3: 879,935 km (0.069 R)
• M4: 1,094,757 km (0.087 R)
• M5: 1,491,940 km (0.093 R)
• M6: 1,889,720 km (0.066 R)
• M7: 2,398,353 km (0.101 R)
• M8: 2,754,396 km (0.096 R)
• M9: 3,300,727 km (0.107 R)
• M10: 3,628,048 km (0.109 R)
• M11: 4,128,452 km (0.044 R)
• M12: 6,349,233 km (0.088 R)
• M13: 8,094,890 km (0.101 R)
• M14: 9,156,437 km (0.1 R)
• M15: 10,137,799 km (0.11 R)
• M16: 10,480,079 km (0.099 R)
• M17: 12,501,445 km (0.106 R)
• M18: 12,828,915 km (0.1 R)
• M19: 13,638,090 km (0.118 R)
• M20: 16,738,655 km (0.074 R)
• M21: 17,378,186 km (0.106 R)
• M22: 19,482,131 km (0.097 R)
• M23: 22,898,647 km (0.119 R)
• M24: 24,594,339 km (0.119 R)
• M25: 32,094,129 km (0.048 R)
• M26: 35,373,015 km (0.069 R)
• M27: 37,498,053 km (0.113 R)
• M28: 39,007,346 km (0.092 R)
• M29: 42,146,657 km (0.115 R)
• M30: 48,922,692 km (0.097 R)
• M31: 50,557,797 km (0.113 R)
• M32: 54,109,699 km (0.115 R)
• M33: 57,283,568 km (0.116 R)
• M34: 65,560,070 km (0.105 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 14,493 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit