🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.49 AU - 0.57 AU

Year: 173 Days

Day: 45.3 Hours

Environment

Temp: 12 °C

Axial Tilt: 2.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 22,316,369 km

• M1: 172,786 km (0.026 R)
• M2: 220,507 km (0.049 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.56 AU - 0.78 AU

Year: 247 Days

Day: 23.2 Hours

Environment

Temp: -38 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 22,316,369 km

• M1: 547,528 km (0.105 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.96 AU - 1.54 AU

Year: 628 Days

Day: 27.6 Hours

Environment

Temp: -93 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 22,316,369 km

• M1: 187,446 km (0.112 R)
• M2: 238,010 km (0.116 R)

Asteroid Belt

Center: 1.89 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.4

Radius: 15

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.51 AU - 2.55 AU

Year: 1809 Days

Day: 10.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,316,369 km

• M1: 188,045 km (0.055 R)
• M2: 669,450 km (0.093 R)
• M3: 1,165,068 km (0.062 R)
• M4: 1,907,971 km (0.088 R)
• M5: 2,651,323 km (0.097 R)
• M6: 3,565,815 km (0.032 R)
• M7: 4,518,155 km (0.089 R)
• M8: 5,154,245 km (0.047 R)
• M9: 6,020,866 km (0.103 R)
• M10: 6,766,461 km (0.111 R)
• M11: 8,319,138 km (0.102 R)
• M12: 8,886,263 km (0.094 R)
• M13: 11,153,269 km (0.115 R)
• M14: 12,040,983 km (0.11 R)
• M15: 13,439,125 km (0.063 R)
• M16: 15,499,835 km (0.095 R)
• M17: 16,263,682 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.3

Radius: 13

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.89 AU - 3.29 AU

Year: 2442 Days

Day: 6.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 22,316,369 km

• M1: 161,715 km (0.087 R)
• M2: 569,669 km (0.095 R)
• M3: 981,811 km (0.036 R)
• M4: 1,415,645 km (0.097 R)
• M5: 2,709,068 km (0.098 R)
• M6: 3,179,553 km (0.077 R)
• M7: 3,800,983 km (0.11 R)
• M8: 4,245,288 km (0.114 R)
• M9: 5,766,250 km (0.107 R)
• M10: 7,284,818 km (0.048 R)
• M11: 8,203,199 km (0.047 R)
• M12: 8,880,578 km (0.118 R)
• M13: 9,340,592 km (0.103 R)
• M14: 10,003,909 km (0.072 R)
• M15: 12,400,616 km (0.099 R)
• M16: 13,385,120 km (0.028 R)
• M17: 14,566,644 km (0.101 R)
• M18: 15,157,855 km (0.085 R)
• M19: 15,662,747 km (0.116 R)
• M20: 17,684,563 km (0.104 R)
• M21: 20,664,103 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.8

Radius: 9.4

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.19 AU - 6.67 AU

Year: 6492 Days

Day: 5.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 22,316,369 km

• M1: 116,986 km (0.11 R)
• M2: 426,354 km (0.069 R)
• M3: 797,506 km (0.117 R)
• M4: 1,146,668 km (0.09 R)
• M5: 1,635,853 km (0.099 R)
• M6: 2,770,852 km (0.062 R)
• M7: 3,193,167 km (0.082 R)
• M8: 3,505,377 km (0.105 R)
• M9: 4,119,477 km (0.066 R)
• M10: 5,357,549 km (0.06 R)
• M11: 6,015,630 km (0.115 R)
• M12: 6,593,377 km (0.054 R)
• M13: 6,998,787 km (0.062 R)
• M14: 9,406,565 km (0.083 R)
• M15: 9,747,498 km (0.052 R)
• M16: 10,866,191 km (0.113 R)
• M17: 12,624,714 km (0.084 R)
• M18: 14,062,349 km (0.097 R)
• M19: 15,904,198 km (0.113 R)
• M20: 19,163,338 km (0.117 R)
• M21: 19,920,602 km (0.12 R)
• M22: 20,554,747 km (0.111 R)
• M23: 22,087,078 km (0.075 R)
• M24: 23,149,971 km (0.091 R)
• M25: 24,405,995 km (0.054 R)
• M26: 27,483,822 km (0.103 R)
• M27: 28,093,882 km (0.117 R)
• M28: 28,712,918 km (0.095 R)
• M29: 31,564,403 km (0.11 R)
• M30: 31,945,578 km (0.074 R)

Asteroid Belt

Center: 6.54 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.1

Radius: 14.7

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 5.9 AU - 8.4 AU

Year: 8596 Days

Day: 6 Hours

Environment

Temp: -181 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,316,369 km

• M1: 182,809 km (0.114 R)
• M2: 896,241 km (0.06 R)
• M3: 1,557,314 km (0.118 R)
• M4: 2,178,893 km (0.111 R)
• M5: 3,308,955 km (0.116 R)
• M6: 4,758,708 km (0.075 R)
• M7: 6,572,582 km (0.09 R)
• M8: 7,139,259 km (0.039 R)
• M9: 9,672,101 km (0.077 R)
• M10: 10,228,754 km (0.083 R)
• M11: 15,158,752 km (0.099 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.4

Radius: 14.5

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 7.65 AU - 8.07 AU

Year: 9907 Days

Day: 14.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 22,316,369 km

• M1: 181,013 km (0.084 R)
• M2: 998,117 km (0.06 R)
• M3: 1,930,411 km (0.071 R)
• M4: 3,144,248 km (0.104 R)
• M5: 3,919,614 km (0.058 R)
• M6: 4,608,362 km (0.103 R)
• M7: 5,319,251 km (0.092 R)
• M8: 6,456,345 km (0.091 R)
• M9: 7,241,435 km (0.106 R)
• M10: 8,961,660 km (0.062 R)
• M11: 9,677,785 km (0.108 R)
• M12: 10,206,165 km (0.103 R)
• M13: 12,566,820 km (0.106 R)
• M14: 13,628,067 km (0.087 R)
• M15: 15,037,578 km (0.089 R)
• M16: 15,747,719 km (0.111 R)
• M17: 17,363,376 km (0.098 R)
• M18: 19,779,531 km (0.065 R)
• M19: 20,488,775 km (0.072 R)
• M20: 22,641,787 km (0.091 R)
• M21: 30,844,388 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 32.9

Radius: 3.6

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 7.87 AU - 12.39 AU

Year: 14495 Days

Day: 21.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 22,316,369 km

• M1: 44,879 km (0.102 R)
• M2: 333,753 km (0.032 R)
• M3: 459,265 km (0.107 R)
• M4: 1,041,201 km (0.065 R)
• M5: 1,247,646 km (0.118 R)
• M6: 1,766,601 km (0.031 R)
• M7: 3,669,935 km (0.054 R)
• M8: 3,914,228 km (0.107 R)
• M9: 4,323,079 km (0.11 R)
• M10: 5,099,941 km (0.113 R)
• M11: 7,109,639 km (0.11 R)
• M12: 8,049,712 km (0.041 R)
• M13: 9,860,145 km (0.116 R)
• M14: 10,133,461 km (0.1 R)
• M15: 14,112,166 km (0.084 R)
• M16: 14,761,271 km (0.097 R)
• M17: 15,851,690 km (0.056 R)
• M18: 19,996,598 km (0.114 R)
• M19: 21,199,664 km (0.036 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 521 - 12,072 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit