🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.91 AU - 1.01 AU

Year: 352 Days

Day: 13.9 Hours

Environment

Temp: 20 °C

Axial Tilt: 46.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.93 AU - 1.31 AU

Year: 444 Days

Day: 29.6 Hours

Environment

Temp: -3 °C

Axial Tilt: 2.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.52 AU - 3.54 AU

Year: 1976 Days

Day: 44 Hours

Environment

Temp: -111 °C

Axial Tilt: 36.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,554,138 km

• M1: 25,581 km (0.077 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.6 AU - 3.5 AU

Year: 1996 Days

Day: 20.2 Hours

Environment

Temp: -108 °C

Axial Tilt: 24.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.19 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.9

Radius: 8

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 7.28 AU - 7.38 AU

Year: 7437 Days

Day: 9.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,554,138 km

• M1: 99,483 km (0.099 R)
• M2: 353,201 km (0.12 R)
• M3: 769,531 km (0.119 R)
• M4: 1,362,986 km (0.039 R)
• M5: 2,217,190 km (0.111 R)
• M6: 2,675,109 km (0.1 R)
• M7: 3,100,715 km (0.086 R)
• M8: 3,349,646 km (0.065 R)
• M9: 5,681,727 km (0.112 R)
• M10: 8,110,299 km (0.105 R)
• M11: 9,999,570 km (0.075 R)
• M12: 12,497,705 km (0.034 R)
• M13: 13,685,512 km (0.11 R)
• M14: 14,254,433 km (0.065 R)
• M15: 15,717,650 km (0.079 R)
• M16: 16,456,663 km (0.06 R)
• M17: 16,922,960 km (0.087 R)
• M18: 17,397,933 km (0.057 R)
• M19: 18,004,104 km (0.027 R)
• M20: 21,316,799 km (0.093 R)
• M21: 25,476,368 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.6

Radius: 8.2

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 6.53 AU - 9.89 AU

Year: 8815 Days

Day: 7.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,554,138 km

• M1: 102,026 km (0.113 R)
• M2: 479,910 km (0.099 R)
• M3: 937,380 km (0.115 R)
• M4: 1,803,702 km (0.094 R)
• M5: 3,470,072 km (0.061 R)
• M6: 7,554,692 km (0.066 R)
• M7: 8,503,293 km (0.052 R)
• M8: 9,484,954 km (0.108 R)
• M9: 11,368,989 km (0.045 R)
• M10: 17,211,235 km (0.08 R)
• M11: 23,381,698 km (0.114 R)
• M12: 27,586,745 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.7

Radius: 14

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 9.32 AU - 11.68 AU

Year: 12750 Days

Day: 9.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,554,138 km

• M1: 174,282 km (0.073 R)
• M2: 826,379 km (0.06 R)
• M3: 1,313,170 km (0.094 R)
• M4: 1,836,314 km (0.115 R)
• M5: 2,403,589 km (0.066 R)
• M6: 2,845,501 km (0.064 R)
• M7: 3,587,357 km (0.032 R)
• M8: 5,259,712 km (0.065 R)
• M9: 6,086,539 km (0.073 R)
• M10: 6,958,844 km (0.049 R)
• M11: 8,811,913 km (0.091 R)
• M12: 9,778,016 km (0.034 R)
• M13: 11,413,570 km (0.093 R)
• M14: 13,911,854 km (0.07 R)
• M15: 14,820,212 km (0.073 R)
• M16: 15,976,005 km (0.103 R)
• M17: 17,044,882 km (0.109 R)
• M18: 18,775,879 km (0.105 R)
• M19: 26,488,098 km (0.107 R)
• M20: 28,393,227 km (0.12 R)
• M21: 29,960,564 km (0.081 R)
• M22: 31,805,854 km (0.09 R)
• M23: 33,610,902 km (0.092 R)
• M24: 39,307,289 km (0.089 R)
• M25: 41,516,999 km (0.068 R)
• M26: 42,450,490 km (0.113 R)
• M27: 46,610,508 km (0.044 R)
• M28: 48,641,748 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 564.4

Radius: 3.8

Gravity: 39.09 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 12.66 AU - 13.5 AU

Year: 17727 Days

Day: 21.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 54,554,138 km

• M1: 47,273 km (0.066 R)
• M2: 311,612 km (0.088 R)
• M3: 470,485 km (0.057 R)
• M4: 1,356,254 km (0.103 R)
• M5: 1,506,600 km (0.083 R)
• M6: 1,950,307 km (0.086 R)
• M7: 2,347,041 km (0.075 R)
• M8: 3,014,846 km (0.066 R)
• M9: 3,713,618 km (0.09 R)
• M10: 4,070,109 km (0.105 R)
• M11: 4,352,101 km (0.091 R)
• M12: 6,283,709 km (0.112 R)
• M13: 6,575,425 km (0.114 R)
• M14: 8,219,655 km (0.075 R)
• M15: 8,823,582 km (0.112 R)
• M16: 9,619,293 km (0.083 R)
• M17: 10,990,208 km (0.118 R)
• M18: 11,659,957 km (0.081 R)
• M19: 14,254,134 km (0.068 R)
• M20: 16,028,215 km (0.104 R)
• M21: 19,652,672 km (0.082 R)
• M22: 22,898,647 km (0.103 R)
• M23: 24,088,997 km (0.084 R)
• M24: 25,319,888 km (0.092 R)
• M25: 28,017,736 km (0.078 R)
• M26: 34,103,228 km (0.11 R)
• M27: 35,915,756 km (0.053 R)
• M28: 36,445,183 km (0.112 R)
• M29: 38,476,872 km (0.115 R)
• M30: 40,155,659 km (0.088 R)
• M31: 40,582,761 km (0.083 R)
• M32: 41,013,004 km (0.102 R)
• M33: 42,028,624 km (0.106 R)
• M34: 42,321,836 km (0.112 R)
• M35: 43,358,848 km (0.049 R)
• M36: 52,103,442 km (0.105 R)
• M37: 52,272,488 km (0.085 R)
• M38: 54,155,776 km (0.063 R)
• M39: 54,502,992 km (0.055 R)
• M40: 61,009,452 km (0.078 R)
• M41: 62,522,485 km (0.101 R)
• M42: 64,254,230 km (0.067 R)
• M43: 65,034,084 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 300.9

Radius: 3.9

Gravity: 19.78 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 11.1 AU - 15.64 AU

Year: 18320 Days

Day: 24.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,554,138 km

• M1: 48,919 km (0.073 R)
• M2: 416,480 km (0.108 R)
• M3: 590,164 km (0.097 R)
• M4: 859,889 km (0.118 R)
• M5: 1,157,439 km (0.113 R)
• M6: 2,248,007 km (0.058 R)
• M7: 3,536,793 km (0.103 R)
• M8: 4,659,974 km (0.065 R)
• M9: 5,671,405 km (0.092 R)
• M10: 7,109,938 km (0.085 R)
• M11: 7,668,237 km (0.065 R)
• M12: 9,366,472 km (0.08 R)
• M13: 12,118,475 km (0.053 R)
• M14: 17,567,727 km (0.095 R)
• M15: 20,905,405 km (0.088 R)
• M16: 21,339,388 km (0.105 R)
• M17: 22,859,602 km (0.115 R)
• M18: 30,211,290 km (0.109 R)
• M19: 37,066,014 km (0.108 R)
• M20: 37,319,283 km (0.077 R)
• M21: 48,876,916 km (0.091 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: 283 - 19,212 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit