🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.45 AU - 0.61 AU

Year: 137 Days

Day: 38.3 Hours

Environment

Temp: 232 °C

Axial Tilt: 21.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 81,402,127 km

• M1: 18,999 km (0.099 R)
• M2: 80,184 km (0.082 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.14

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.24 AU - 1.36 AU

Year: 526 Days

Day: 23.3 Hours

Environment

Temp: 18 °C

Axial Tilt: 24.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 81,402,127 km

• M1: 157,975 km (0.108 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.78 AU - 4.7 AU

Year: 3097 Days

Day: 25.4 Hours

Environment

Temp: -130 °C

Axial Tilt: 32.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.7

Radius: 14.3

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.29 AU - 6.79 AU

Year: 4626 Days

Day: 10.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,402,127 km

• M1: 177,872 km (0.036 R)
• M2: 666,159 km (0.094 R)
• M3: 1,142,629 km (0.098 R)
• M4: 1,662,631 km (0.077 R)
• M5: 2,808,102 km (0.09 R)
• M6: 3,453,766 km (0.109 R)
• M7: 4,018,498 km (0.082 R)
• M8: 4,499,904 km (0.059 R)
• M9: 6,576,322 km (0.106 R)
• M10: 8,108,653 km (0.119 R)
• M11: 8,844,825 km (0.119 R)
• M12: 9,307,680 km (0.025 R)
• M13: 10,198,536 km (0.077 R)
• M14: 10,837,917 km (0.088 R)
• M15: 11,458,748 km (0.083 R)
• M16: 12,918,225 km (0.119 R)
• M17: 13,718,424 km (0.092 R)
• M18: 14,445,470 km (0.108 R)
• M19: 14,980,581 km (0.095 R)
• M20: 17,135,239 km (0.101 R)
• M21: 17,735,127 km (0.106 R)
• M22: 26,227,648 km (0.046 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.5

Radius: 12.3

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 4.83 AU - 7.71 AU

Year: 5570 Days

Day: 9.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,402,127 km

• M1: 153,039 km (0.101 R)
• M2: 848,968 km (0.093 R)
• M3: 1,869,375 km (0.061 R)
• M4: 2,455,799 km (0.088 R)
• M5: 4,567,223 km (0.116 R)
• M6: 6,532,341 km (0.093 R)
• M7: 6,934,161 km (0.079 R)
• M8: 7,385,348 km (0.103 R)
• M9: 9,045,884 km (0.063 R)
• M10: 10,729,159 km (0.074 R)
• M11: 11,422,545 km (0.051 R)
• M12: 11,961,995 km (0.111 R)
• M13: 12,802,885 km (0.087 R)
• M14: 18,270,388 km (0.107 R)
• M15: 18,698,836 km (0.074 R)
• M16: 21,277,156 km (0.114 R)
• M17: 23,075,023 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.5

Radius: 8.1

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 7.12 AU - 9.32 AU

Year: 8361 Days

Day: 13.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,402,127 km

• M1: 121,773 km (0.028 R)
• M2: 534,812 km (0.05 R)
• M3: 810,372 km (0.089 R)
• M4: 1,398,890 km (0.118 R)
• M5: 1,760,169 km (0.045 R)
• M6: 2,444,280 km (0.09 R)
• M7: 3,170,876 km (0.119 R)
• M8: 3,868,601 km (0.12 R)
• M9: 4,328,914 km (0.11 R)
• M10: 5,931,855 km (0.113 R)
• M11: 7,306,210 km (0.107 R)
• M12: 9,339,245 km (0.059 R)
• M13: 11,428,978 km (0.089 R)
• M14: 11,821,822 km (0.082 R)
• M15: 13,001,701 km (0.103 R)
• M16: 14,598,807 km (0.114 R)
• M17: 20,598,879 km (0.057 R)
• M18: 23,071,133 km (0.062 R)
• M19: 27,010,494 km (0.08 R)
• M20: 30,806,390 km (0.1 R)
• M21: 32,831,347 km (0.06 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.8

Radius: 8.6

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 7.32 AU - 11.2 AU

Year: 9997 Days

Day: 13.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,402,127 km

• M1: 107,112 km (0.085 R)
• M2: 488,886 km (0.071 R)
• M3: 2,985,226 km (0.092 R)
• M4: 4,475,220 km (0.074 R)
• M5: 10,137,799 km (0.081 R)
• M6: 12,923,012 km (0.104 R)
• M7: 14,798,221 km (0.111 R)
• M8: 15,109,983 km (0.074 R)
• M9: 17,648,510 km (0.03 R)
• M10: 22,511,936 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 275.3

Radius: 4.4

Gravity: 14.22 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 10.7 AU - 17.6 AU

Year: 18883 Days

Day: 16 Hours

Environment

Temp: -175 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 81,402,127 km

• M1: 63,280 km (0.088 R)
• M2: 219,310 km (0.085 R)
• M3: 391,049 km (0.096 R)
• M4: 686,205 km (0.112 R)
• M5: 1,189,752 km (0.061 R)
• M6: 2,157,949 km (0.083 R)
• M7: 2,310,390 km (0.051 R)
• M8: 2,636,962 km (0.108 R)
• M9: 3,667,691 km (0.059 R)
• M10: 6,523,514 km (0.115 R)
• M11: 6,966,174 km (0.119 R)
• M12: 8,508,379 km (0.073 R)
• M13: 9,283,745 km (0.077 R)
• M14: 9,895,450 km (0.108 R)
• M15: 10,752,347 km (0.1 R)
• M16: 11,541,625 km (0.079 R)
• M17: 12,128,647 km (0.064 R)
• M18: 15,646,142 km (0.044 R)
• M19: 16,146,697 km (0.105 R)
• M20: 16,510,818 km (0.053 R)
• M21: 17,944,265 km (0.115 R)
• M22: 21,316,051 km (0.118 R)
• M23: 22,198,230 km (0.093 R)
• M24: 23,012,640 km (0.088 R)
• M25: 23,196,347 km (0.119 R)
• M26: 23,566,601 km (0.058 R)
• M27: 25,087,114 km (0.105 R)
• M28: 29,387,305 km (0.102 R)
• M29: 32,396,466 km (0.055 R)
• M30: 34,512,678 km (0.102 R)
• M31: 35,727,263 km (0.12 R)
• M32: 35,973,650 km (0.102 R)
• M33: 39,805,301 km (0.059 R)
• M34: 40,736,847 km (0.102 R)
• M35: 41,819,337 km (0.12 R)
• M36: 46,194,775 km (0.054 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 802.3

Radius: 7.5

Gravity: 14.26 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 14.5 AU - 15.1 AU

Year: 20199 Days

Day: 19.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 81,402,127 km

• M1: 114,442 km (0.084 R)
• M2: 612,154 km (0.096 R)
• M3: 1,527,095 km (0.116 R)
• M4: 2,358,859 km (0.097 R)
• M5: 3,235,054 km (0.07 R)
• M6: 3,731,719 km (0.101 R)
• M7: 5,490,242 km (0.08 R)
• M8: 6,731,156 km (0.065 R)
• M9: 8,253,913 km (0.051 R)
• M10: 8,681,464 km (0.11 R)
• M11: 9,123,675 km (0.112 R)
• M12: 9,580,846 km (0.036 R)
• M13: 10,479,032 km (0.09 R)
• M14: 11,367,045 km (0.118 R)
• M15: 14,949,315 km (0.113 R)
• M16: 16,487,780 km (0.052 R)
• M17: 17,951,296 km (0.109 R)
• M18: 20,066,310 km (0.114 R)
• M19: 22,444,917 km (0.071 R)
• M20: 29,446,845 km (0.105 R)
• M21: 30,697,633 km (0.106 R)
• M22: 33,304,525 km (0.1 R)
• M23: 35,214,890 km (0.109 R)
• M24: 37,053,149 km (0.104 R)
• M25: 40,004,565 km (0.1 R)
• M26: 48,061,607 km (0.077 R)
• M27: 53,932,725 km (0.08 R)
• M28: 58,296,046 km (0.09 R)
• M29: 58,686,347 km (0.103 R)
• M30: 64,541,458 km (0.088 R)
• M31: 69,891,676 km (0.106 R)
• M32: 76,692,994 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 658.2

Radius: 6.4

Gravity: 16.07 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 15.65 AU - 16.23 AU

Year: 22577 Days

Day: 21.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,402,127 km

• M1: 79,586 km (0.086 R)
• M2: 279,748 km (0.111 R)
• M3: 479,162 km (0.087 R)
• M4: 739,911 km (0.103 R)
• M5: 993,629 km (0.115 R)
• M6: 1,808,040 km (0.11 R)
• M7: 2,573,233 km (0.12 R)
• M8: 4,903,519 km (0.078 R)
• M9: 5,323,440 km (0.068 R)
• M10: 11,448,276 km (0.104 R)
• M11: 16,194,119 km (0.101 R)
• M12: 20,029,210 km (0.038 R)
• M13: 33,841,582 km (0.111 R)
• M14: 34,662,724 km (0.118 R)
• M15: 35,919,346 km (0.082 R)
• M16: 36,487,519 km (0.1 R)
• M17: 37,496,108 km (0.096 R)
• M18: 45,412,229 km (0.091 R)
• M19: 50,908,305 km (0.093 R)
• M20: 54,933,834 km (0.053 R)
• M21: 60,157,642 km (0.087 R)
• M22: 62,786,974 km (0.117 R)
• M23: 63,198,219 km (0.107 R)
• M24: 74,760,489 km (0.048 R)
• M25: 80,188,348 km (0.096 R)

Kuiper Belt

Range: 30.9 - 54.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 13,580 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit