🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.93 AU - 1.19 AU

Year: 407 Days

Day: 17.9 Hours

Environment

Temp: 3 °C

Axial Tilt: 39.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 1.66 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.76 AU - 2.76 AU

Year: 1267 Days

Day: 32.8 Hours

Environment

Temp: -90 °C

Axial Tilt: 31.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 98,895,059 km

• M1: 888,163 km (0.068 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.37 AU - 2.83 AU

Year: 1563 Days

Day: 32.1 Hours

Environment

Temp: -106 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.07 AU - 4.41 AU

Year: 3255 Days

Day: 47.7 Hours

Environment

Temp: -136 °C

Axial Tilt: 13.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.74 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.5

Radius: 13.8

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 5.75 AU - 8.71 AU

Year: 7247 Days

Day: 10 Hours

Environment

Temp: -170 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 98,895,059 km

• M1: 182,360 km (0.039 R)
• M2: 729,140 km (0.027 R)
• M3: 1,901,987 km (0.114 R)
• M4: 2,364,544 km (0.068 R)
• M5: 3,003,776 km (0.033 R)
• M6: 4,076,093 km (0.078 R)
• M7: 7,043,367 km (0.091 R)
• M8: 9,411,800 km (0.095 R)
• M9: 11,277,136 km (0.117 R)
• M10: 11,845,159 km (0.083 R)
• M11: 14,370,970 km (0.097 R)
• M12: 16,372,739 km (0.089 R)
• M13: 20,464,839 km (0.1 R)
• M14: 21,000,848 km (0.081 R)
• M15: 24,330,897 km (0.088 R)
• M16: 25,898,533 km (0.116 R)
• M17: 30,012,474 km (0.076 R)
• M18: 31,712,505 km (0.057 R)
• M19: 35,853,972 km (0.115 R)
• M20: 38,923,870 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.3

Radius: 11.9

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 6.05 AU - 8.57 AU

Year: 7368 Days

Day: 14.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 97.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 98,895,059 km

• M1: 148,700 km (0.112 R)
• M2: 761,304 km (0.117 R)
• M3: 2,424,084 km (0.087 R)
• M4: 3,154,869 km (0.117 R)
• M5: 3,628,796 km (0.105 R)
• M6: 5,255,672 km (0.103 R)
• M7: 6,247,805 km (0.11 R)
• M8: 7,620,815 km (0.055 R)
• M9: 9,752,435 km (0.069 R)
• M10: 10,204,071 km (0.082 R)
• M11: 10,907,480 km (0.093 R)
• M12: 11,593,087 km (0.109 R)
• M13: 13,823,142 km (0.104 R)
• M14: 15,827,156 km (0.092 R)
• M15: 17,419,326 km (0.119 R)
• M16: 18,699,135 km (0.117 R)
• M17: 21,144,013 km (0.095 R)
• M18: 24,120,562 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.2

Radius: 10.7

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 8.27 AU - 9.21 AU

Year: 9632 Days

Day: 6.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 98,895,059 km

• M1: 133,142 km (0.098 R)
• M2: 821,442 km (0.104 R)
• M3: 1,359,695 km (0.05 R)
• M4: 2,139,998 km (0.095 R)
• M5: 2,574,879 km (0.072 R)
• M6: 3,239,392 km (0.064 R)
• M7: 3,695,666 km (0.079 R)
• M8: 4,065,621 km (0.04 R)
• M9: 6,617,761 km (0.112 R)
• M10: 12,536,302 km (0.119 R)
• M11: 14,134,755 km (0.12 R)
• M12: 18,010,686 km (0.048 R)
• M13: 25,865,322 km (0.081 R)
• M14: 29,500,850 km (0.087 R)
• M15: 29,990,184 km (0.066 R)
• M16: 36,070,739 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 903.3

Radius: 4.8

Gravity: 39.21 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 15.61 AU - 18.11 AU

Year: 25807 Days

Day: 25 Hours

Environment

Temp: -201 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 98,895,059 km

• M1: 59,839 km (0.065 R)
• M2: 287,078 km (0.109 R)
• M3: 826,827 km (0.063 R)
• M4: 1,246,599 km (0.117 R)
• M5: 3,061,520 km (0.109 R)
• M6: 4,189,189 km (0.104 R)
• M7: 5,065,982 km (0.117 R)
• M8: 8,769,128 km (0.084 R)
• M9: 9,554,966 km (0.082 R)
• M10: 10,452,702 km (0.07 R)
• M11: 14,608,082 km (0.119 R)
• M12: 20,050,303 km (0.098 R)
• M13: 21,946,307 km (0.117 R)
• M14: 22,826,092 km (0.108 R)
• M15: 23,501,077 km (0.117 R)
• M16: 27,960,889 km (0.077 R)
• M17: 37,568,064 km (0.112 R)
• M18: 40,599,217 km (0.067 R)
• M19: 45,888,100 km (0.089 R)
• M20: 54,954,030 km (0.09 R)
• M21: 64,249,443 km (0.079 R)
• M22: 71,631,350 km (0.034 R)
• M23: 77,524,609 km (0.09 R)
• M24: 78,283,219 km (0.118 R)
• M25: 89,152,701 km (0.059 R)
• M26: 97,419,929 km (0.085 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: 247 - 14,278 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit