🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.06 AU - 1.56 AU

Year: 559 Days

Day: 13.1 Hours

Environment

Temp: -28 °C

Axial Tilt: 6.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 4.44 AU - 4.5 AU

Year: 3523 Days

Day: 36.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 127.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,966,825 km

• M1: 1,304,942 km (0.095 R)

Asteroid Belt

Center: 4.91 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.1

Radius: 12.9

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 4.85 AU - 5.85 AU

Year: 4613 Days

Day: 13.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,966,825 km

• M1: 161,715 km (0.064 R)
• M2: 1,537,717 km (0.075 R)
• M3: 2,463,727 km (0.087 R)
• M4: 4,168,993 km (0.082 R)
• M5: 4,982,058 km (0.067 R)
• M6: 6,789,200 km (0.063 R)
• M7: 8,253,464 km (0.098 R)
• M8: 8,798,898 km (0.111 R)
• M9: 9,326,829 km (0.104 R)
• M10: 10,717,042 km (0.09 R)
• M11: 17,235,470 km (0.072 R)
• M12: 18,193,345 km (0.118 R)
• M13: 18,718,583 km (0.08 R)
• M14: 19,186,376 km (0.104 R)
• M15: 26,920,885 km (0.106 R)
• M16: 27,948,921 km (0.117 R)
• M17: 31,097,059 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.4

Radius: 14.6

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 6.86 AU - 11.08 AU

Year: 10015 Days

Day: 5.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,966,825 km

• M1: 181,612 km (0.108 R)
• M2: 3,074,087 km (0.098 R)
• M3: 3,840,327 km (0.086 R)
• M4: 5,822,648 km (0.11 R)
• M5: 7,910,586 km (0.089 R)
• M6: 8,459,460 km (0.115 R)
• M7: 10,016,325 km (0.065 R)
• M8: 15,700,147 km (0.1 R)
• M9: 16,774,708 km (0.105 R)
• M10: 19,446,975 km (0.091 R)
• M11: 21,977,423 km (0.089 R)
• M12: 22,475,285 km (0.12 R)
• M13: 27,588,241 km (0.087 R)
• M14: 31,397,900 km (0.074 R)
• M15: 34,309,224 km (0.115 R)
• M16: 40,044,657 km (0.075 R)
• M17: 41,163,350 km (0.081 R)
• M18: 41,920,764 km (0.087 R)
• M19: 43,463,268 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.8

Radius: 10.4

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 8.95 AU - 9.87 AU

Year: 10761 Days

Day: 7.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 78,966,825 km

• M1: 129,402 km (0.072 R)
• M2: 629,957 km (0.118 R)
• M3: 1,003,353 km (0.055 R)
• M4: 1,327,083 km (0.076 R)
• M5: 1,655,450 km (0.095 R)
• M6: 4,159,120 km (0.108 R)
• M7: 4,655,785 km (0.101 R)
• M8: 7,231,112 km (0.064 R)
• M9: 7,718,652 km (0.077 R)
• M10: 8,348,608 km (0.105 R)
• M11: 10,027,994 km (0.077 R)
• M12: 10,971,657 km (0.108 R)
• M13: 11,717,403 km (0.102 R)
• M14: 12,076,737 km (0.079 R)
• M15: 13,758,067 km (0.09 R)
• M16: 14,566,345 km (0.113 R)
• M17: 15,405,888 km (0.097 R)
• M18: 16,660,864 km (0.111 R)
• M19: 16,985,043 km (0.115 R)
• M20: 17,313,410 km (0.103 R)
• M21: 19,949,325 km (0.115 R)
• M22: 20,685,047 km (0.107 R)
• M23: 22,446,113 km (0.092 R)
• M24: 23,242,124 km (0.1 R)
• M25: 25,743,250 km (0.059 R)
• M26: 26,527,293 km (0.047 R)
• M27: 32,568,803 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.8

Radius: 13.3

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 7.54 AU - 11.48 AU

Year: 10933 Days

Day: 13.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,966,825 km

• M1: 165,605 km (0.092 R)
• M2: 580,589 km (0.096 R)
• M3: 1,397,095 km (0.115 R)
• M4: 2,272,392 km (0.119 R)
• M5: 4,036,749 km (0.089 R)
• M6: 4,599,835 km (0.099 R)
• M7: 5,505,950 km (0.078 R)
• M8: 6,837,819 km (0.045 R)
• M9: 7,796,891 km (0.063 R)
• M10: 8,707,793 km (0.107 R)
• M11: 10,243,415 km (0.068 R)
• M12: 13,388,561 km (0.112 R)
• M13: 17,776,416 km (0.06 R)
• M14: 19,585,204 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 880.9

Radius: 7.9

Gravity: 14.11 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 12.45 AU - 19.47 AU

Year: 23769 Days

Day: 16.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 78,966,825 km

• M1: 98,435 km (0.105 R)
• M2: 430,393 km (0.112 R)
• M3: 704,606 km (0.107 R)
• M4: 1,301,801 km (0.047 R)
• M5: 1,582,297 km (0.051 R)
• M6: 1,843,644 km (0.099 R)
• M7: 3,775,401 km (0.057 R)
• M8: 5,557,112 km (0.094 R)
• M9: 6,213,248 km (0.107 R)
• M10: 7,067,602 km (0.043 R)
• M11: 7,784,475 km (0.107 R)
• M12: 11,346,101 km (0.047 R)
• M13: 11,690,475 km (0.119 R)
• M14: 13,983,063 km (0.089 R)
• M15: 14,945,725 km (0.093 R)
• M16: 18,951,507 km (0.047 R)
• M17: 23,287,003 km (0.078 R)
• M18: 26,638,893 km (0.094 R)
• M19: 27,493,695 km (0.105 R)
• M20: 29,129,398 km (0.087 R)
• M21: 29,515,959 km (0.084 R)
• M22: 30,431,049 km (0.098 R)
• M23: 31,364,989 km (0.044 R)
• M24: 34,712,241 km (0.095 R)
• M25: 38,136,536 km (0.031 R)
• M26: 39,221,869 km (0.081 R)
• M27: 39,851,227 km (0.082 R)
• M28: 44,276,482 km (0.119 R)
• M29: 45,130,386 km (0.105 R)
• M30: 52,171,809 km (0.072 R)
• M31: 52,551,338 km (0.1 R)
• M32: 58,265,229 km (0.113 R)
• M33: 59,703,912 km (0.026 R)
• M34: 63,080,934 km (0.09 R)
• M35: 64,379,593 km (0.116 R)
• M36: 67,030,019 km (0.114 R)
• M37: 67,478,663 km (0.102 R)
• M38: 75,658,824 km (0.107 R)
• M39: 80,870,963 km (0.097 R)
• M40: 89,265,648 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 205.4

Radius: 3.4

Gravity: 17.77 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 14.69 AU - 19.15 AU

Year: 25945 Days

Day: 25 Hours

Environment

Temp: -191 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 78,966,825 km

• M1: 45,179 km (0.069 R)
• M2: 178,321 km (0.096 R)
• M3: 438,172 km (0.083 R)
• M4: 769,232 km (0.106 R)
• M5: 1,143,526 km (0.106 R)
• M6: 1,385,426 km (0.107 R)
• M7: 1,628,223 km (0.079 R)
• M8: 2,485,120 km (0.095 R)
• M9: 2,773,545 km (0.112 R)
• M10: 3,010,208 km (0.1 R)
• M11: 3,311,798 km (0.1 R)
• M12: 3,605,608 km (0.07 R)
• M13: 5,595,409 km (0.111 R)
• M14: 11,671,027 km (0.106 R)
• M15: 13,248,986 km (0.117 R)
• M16: 14,399,693 km (0.106 R)
• M17: 16,285,972 km (0.08 R)
• M18: 18,494,486 km (0.078 R)
• M19: 18,659,492 km (0.114 R)
• M20: 21,253,818 km (0.025 R)
• M21: 22,355,457 km (0.069 R)
• M22: 23,688,224 km (0.078 R)
• M23: 23,882,851 km (0.116 R)
• M24: 24,373,981 km (0.101 R)
• M25: 26,406,268 km (0.084 R)
• M26: 29,888,159 km (0.063 R)
• M27: 32,933,074 km (0.054 R)
• M28: 35,538,321 km (0.106 R)
• M29: 44,319,267 km (0.055 R)
• M30: 45,060,524 km (0.105 R)
• M31: 49,048,504 km (0.104 R)
• M32: 51,290,228 km (0.095 R)
• M33: 52,107,182 km (0.119 R)
• M34: 52,601,454 km (0.119 R)
• M35: 53,098,867 km (0.063 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 402.9

Radius: 4.9

Gravity: 16.78 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 15.7 AU - 19.54 AU

Year: 27572 Days

Day: 20.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 78,966,825 km

• M1: 62,233 km (0.069 R)
• M2: 343,477 km (0.118 R)
• M3: 682,765 km (0.104 R)
• M4: 1,085,033 km (0.103 R)
• M5: 1,666,371 km (0.118 R)
• M6: 2,670,771 km (0.075 R)
• M7: 3,162,200 km (0.097 R)
• M8: 3,742,340 km (0.09 R)
• M9: 4,356,589 km (0.116 R)
• M10: 4,598,938 km (0.047 R)
• M11: 4,960,965 km (0.116 R)
• M12: 5,187,007 km (0.074 R)
• M13: 5,341,542 km (0.067 R)
• M14: 5,619,494 km (0.12 R)
• M15: 6,290,890 km (0.111 R)
• M16: 8,200,955 km (0.115 R)
• M17: 9,806,290 km (0.119 R)
• M18: 11,348,943 km (0.057 R)
• M19: 14,673,756 km (0.078 R)
• M20: 16,431,980 km (0.033 R)
• M21: 17,361,581 km (0.108 R)
• M22: 18,957,491 km (0.118 R)
• M23: 20,552,354 km (0.095 R)
• M24: 22,133,005 km (0.1 R)
• M25: 24,871,544 km (0.091 R)
• M26: 25,645,563 km (0.102 R)
• M27: 29,145,854 km (0.065 R)
• M28: 32,951,474 km (0.114 R)
• M29: 34,972,841 km (0.115 R)
• M30: 37,075,439 km (0.088 R)
• M31: 38,817,057 km (0.102 R)
• M32: 41,684,848 km (0.112 R)
• M33: 42,150,247 km (0.041 R)
• M34: 44,852,882 km (0.101 R)
• M35: 46,661,969 km (0.109 R)
• M36: 58,936,026 km (0.077 R)
• M37: 63,734,378 km (0.09 R)
• M38: 66,439,107 km (0.053 R)
• M39: 66,861,871 km (0.1 R)
• M40: 71,853,652 km (0.096 R)
• M41: 73,646,583 km (0.035 R)
• M42: 74,099,416 km (0.117 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 18,133 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit