🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.5 AU - 0.68 AU

Year: 166 Days

Day: 26.3 Hours

Environment

Temp: 159 °C

Axial Tilt: 2.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 53,812,344 km

• M1: 169,195 km (0.088 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.85 AU - 0.89 AU

Year: 298 Days

Day: 25.3 Hours

Environment

Temp: 97 °C

Axial Tilt: 1.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.03 AU - 1.65 AU

Year: 569 Days

Day: 14.8 Hours

Environment

Temp: -1 °C

Axial Tilt: 173.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.41 AU - 4.69 AU

Year: 2992 Days

Day: 47.2 Hours

Environment

Temp: -118 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,812,344 km

• M1: 915,539 km (0.111 R)

Asteroid Belt

Center: 5.02 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.1

Radius: 14.4

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 5.62 AU - 6.36 AU

Year: 5382 Days

Day: 14.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,812,344 km

• M1: 179,069 km (0.106 R)
• M2: 649,255 km (0.083 R)
• M3: 1,513,182 km (0.069 R)
• M4: 2,147,926 km (0.051 R)
• M5: 3,256,746 km (0.077 R)
• M6: 3,809,510 km (0.103 R)
• M7: 4,424,806 km (0.083 R)
• M8: 5,683,522 km (0.112 R)
• M9: 6,273,836 km (0.117 R)
• M10: 9,822,746 km (0.069 R)
• M11: 10,328,686 km (0.114 R)
• M12: 11,301,670 km (0.075 R)
• M13: 11,810,752 km (0.104 R)
• M14: 13,688,205 km (0.11 R)
• M15: 14,267,149 km (0.061 R)
• M16: 15,872,035 km (0.118 R)
• M17: 16,511,267 km (0.088 R)
• M18: 18,342,345 km (0.107 R)
• M19: 19,241,877 km (0.101 R)
• M20: 19,835,481 km (0.11 R)
• M21: 25,190,037 km (0.055 R)
• M22: 26,301,400 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.5

Radius: 11.5

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 6.37 AU - 6.71 AU

Year: 6140 Days

Day: 9.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,812,344 km

• M1: 143,016 km (0.119 R)
• M2: 861,385 km (0.079 R)
• M3: 1,445,863 km (0.115 R)
• M4: 1,890,618 km (0.115 R)
• M5: 2,459,090 km (0.073 R)
• M6: 2,820,668 km (0.105 R)
• M7: 3,297,735 km (0.092 R)
• M8: 3,695,965 km (0.104 R)
• M9: 4,197,417 km (0.088 R)
• M10: 5,116,098 km (0.064 R)
• M11: 7,039,926 km (0.116 R)
• M12: 7,419,905 km (0.092 R)
• M13: 7,886,501 km (0.12 R)
• M14: 8,839,140 km (0.107 R)
• M15: 10,211,999 km (0.112 R)
• M16: 11,915,022 km (0.118 R)
• M17: 12,707,292 km (0.062 R)
• M18: 16,351,047 km (0.06 R)
• M19: 17,205,102 km (0.049 R)
• M20: 19,605,100 km (0.086 R)
• M21: 21,927,009 km (0.111 R)
• M22: 25,461,558 km (0.084 R)
• M23: 29,270,319 km (0.117 R)
• M24: 29,895,040 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.4

Radius: 11.8

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 6.76 AU - 8.12 AU

Year: 7450 Days

Day: 14 Hours

Environment

Temp: -154 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,812,344 km

• M1: 189,391 km (0.065 R)
• M2: 861,833 km (0.055 R)
• M3: 1,514,828 km (0.065 R)
• M4: 1,961,527 km (0.095 R)
• M5: 3,367,149 km (0.042 R)
• M6: 3,812,053 km (0.106 R)
• M7: 5,265,695 km (0.099 R)
• M8: 7,060,272 km (0.072 R)
• M9: 9,826,187 km (0.049 R)
• M10: 10,940,092 km (0.114 R)
• M11: 11,605,952 km (0.118 R)
• M12: 12,517,303 km (0.037 R)
• M13: 13,245,844 km (0.051 R)
• M14: 14,543,157 km (0.068 R)
• M15: 15,097,567 km (0.1 R)
• M16: 15,602,160 km (0.106 R)
• M17: 17,048,173 km (0.111 R)
• M18: 20,740,997 km (0.104 R)
• M19: 23,396,209 km (0.114 R)
• M20: 24,072,541 km (0.102 R)
• M21: 25,199,313 km (0.061 R)
• M22: 25,641,823 km (0.111 R)
• M23: 28,407,439 km (0.087 R)
• M24: 30,159,080 km (0.118 R)
• M25: 38,236,767 km (0.094 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.1

Radius: 11.2

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 8.93 AU - 10.69 AU

Year: 11279 Days

Day: 13.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,812,344 km

• M1: 139,276 km (0.103 R)
• M2: 560,992 km (0.113 R)
• M3: 1,292,077 km (0.095 R)
• M4: 2,128,030 km (0.036 R)
• M5: 2,694,108 km (0.044 R)
• M6: 3,167,137 km (0.092 R)
• M7: 4,624,070 km (0.083 R)
• M8: 5,365,328 km (0.082 R)
• M9: 6,976,048 km (0.066 R)
• M10: 17,810,823 km (0.085 R)
• M11: 20,876,832 km (0.04 R)
• M12: 25,289,969 km (0.116 R)
• M13: 28,216,402 km (0.113 R)
• M14: 30,675,791 km (0.086 R)
• M15: 33,172,131 km (0.114 R)
• M16: 36,670,776 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 272.5

Radius: 3.9

Gravity: 17.92 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 11.61 AU - 16.03 AU

Year: 18860 Days

Day: 15.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,812,344 km

• M1: 48,619 km (0.093 R)
• M2: 183,706 km (0.076 R)
• M3: 728,542 km (0.114 R)
• M4: 939,923 km (0.113 R)
• M5: 1,203,664 km (0.062 R)
• M6: 1,359,695 km (0.102 R)
• M7: 1,681,330 km (0.108 R)
• M8: 2,749,758 km (0.116 R)
• M9: 3,237,747 km (0.12 R)
• M10: 4,234,218 km (0.115 R)
• M11: 8,281,439 km (0.117 R)
• M12: 11,836,632 km (0.09 R)
• M13: 14,076,412 km (0.118 R)
• M14: 18,568,686 km (0.109 R)
• M15: 20,877,729 km (0.032 R)
• M16: 29,583,877 km (0.042 R)
• M17: 33,770,373 km (0.085 R)
• M18: 39,373,112 km (0.117 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 296 - 20,246 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit