🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.1 AU - 1.48 AU

Year: 538 Days

Day: 43.1 Hours

Environment

Temp: -17 °C

Axial Tilt: 5.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 50,892,732 km

• M1: 1,075,160 km (0.112 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.08 AU - 2.46 AU

Year: 1255 Days

Day: 41.9 Hours

Environment

Temp: -74 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.67 AU - 4.09 AU

Year: 2281 Days

Day: 21.2 Hours

Environment

Temp: -112 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.6 AU - 4.24 AU

Year: 2322 Days

Day: 42.3 Hours

Environment

Temp: -118 °C

Axial Tilt: 11.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,892,732 km

• M1: 100,380 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.3

Radius: 13.5

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 5.94 AU - 6.04 AU

Year: 5382 Days

Day: 7.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,892,732 km

• M1: 169,943 km (0.079 R)
• M2: 629,957 km (0.104 R)
• M3: 1,178,981 km (0.101 R)
• M4: 1,875,808 km (0.112 R)
• M5: 2,892,774 km (0.104 R)
• M6: 4,029,568 km (0.044 R)
• M7: 4,714,128 km (0.066 R)
• M8: 7,570,699 km (0.103 R)
• M9: 9,536,415 km (0.044 R)
• M10: 11,973,664 km (0.106 R)
• M11: 12,434,126 km (0.118 R)
• M12: 15,997,697 km (0.089 R)
• M13: 17,194,031 km (0.101 R)
• M14: 18,314,071 km (0.09 R)
• M15: 18,926,375 km (0.059 R)
• M16: 21,215,222 km (0.118 R)
• M17: 23,843,208 km (0.097 R)
• M18: 24,410,034 km (0.082 R)
• M19: 25,069,013 km (0.078 R)
• M20: 29,737,813 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.1

Radius: 13.4

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 11.49 AU - 12.53 AU

Year: 15279 Days

Day: 10.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,892,732 km

• M1: 167,101 km (0.119 R)
• M2: 616,044 km (0.09 R)
• M3: 2,176,649 km (0.093 R)
• M4: 4,181,260 km (0.069 R)
• M5: 5,293,371 km (0.098 R)
• M6: 7,937,813 km (0.096 R)
• M7: 9,865,531 km (0.04 R)
• M8: 10,914,062 km (0.075 R)
• M9: 11,414,766 km (0.103 R)
• M10: 13,009,180 km (0.107 R)
• M11: 15,298,327 km (0.054 R)
• M12: 23,430,617 km (0.104 R)
• M13: 27,989,612 km (0.049 R)
• M14: 33,108,253 km (0.105 R)
• M15: 34,908,514 km (0.06 R)
• M16: 36,661,651 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.9

Radius: 12.3

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 10.32 AU - 13.8 AU

Year: 15374 Days

Day: 13.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,892,732 km

• M1: 153,188 km (0.07 R)
• M2: 883,675 km (0.057 R)
• M3: 2,434,107 km (0.103 R)
• M4: 2,837,273 km (0.081 R)
• M5: 3,417,863 km (0.099 R)
• M6: 4,616,740 km (0.113 R)
• M7: 8,117,180 km (0.049 R)
• M8: 13,498,216 km (0.1 R)
• M9: 15,746,373 km (0.057 R)
• M10: 16,130,989 km (0.112 R)
• M11: 21,911,451 km (0.052 R)
• M12: 25,001,245 km (0.086 R)
• M13: 28,484,033 km (0.112 R)
• M14: 31,542,262 km (0.055 R)
• M15: 38,860,291 km (0.083 R)
• M16: 43,060,999 km (0.108 R)
• M17: 46,442,809 km (0.11 R)
• M18: 51,841,796 km (0.054 R)
• M19: 53,038,579 km (0.1 R)
• M20: 54,956,124 km (0.103 R)
• M21: 67,848,319 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 114.9

Radius: 5.1

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 16.04 AU - 18.82 AU

Year: 26713 Days

Day: 17.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,892,732 km

• M1: 71,059 km (0.095 R)
• M2: 886,517 km (0.033 R)
• M3: 1,290,282 km (0.063 R)
• M4: 3,883,262 km (0.061 R)
• M5: 5,684,719 km (0.071 R)
• M6: 6,379,003 km (0.069 R)
• M7: 7,128,339 km (0.112 R)
• M8: 7,978,653 km (0.101 R)
• M9: 8,336,940 km (0.104 R)
• M10: 9,231,086 km (0.12 R)
• M11: 9,476,726 km (0.057 R)
• M12: 10,396,902 km (0.115 R)
• M13: 12,712,677 km (0.094 R)
• M14: 13,139,779 km (0.099 R)
• M15: 19,755,745 km (0.117 R)
• M16: 39,257,623 km (0.11 R)
• M17: 42,958,674 km (0.059 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 534 - 15,139 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit