🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.68 AU - 0.78 AU

Year: 233 Days

Day: 33.3 Hours

Environment

Temp: 190 °C

Axial Tilt: 3.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.87 AU - 1.03 AU

Year: 345 Days

Day: 45.8 Hours

Environment

Temp: 27 °C

Axial Tilt: 1.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.05 AU - 4.25 AU

Year: 3152 Days

Day: 23.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 3.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.6

Radius: 14.9

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.37 AU - 4.91 AU

Year: 3726 Days

Day: 11.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,291,856 km

• M1: 185,352 km (0.087 R)
• M2: 662,270 km (0.058 R)
• M3: 1,559,408 km (0.08 R)
• M4: 2,737,342 km (0.059 R)
• M5: 3,838,831 km (0.1 R)
• M6: 4,403,862 km (0.104 R)
• M7: 5,169,803 km (0.086 R)
• M8: 6,356,264 km (0.098 R)
• M9: 7,274,645 km (0.109 R)
• M10: 8,416,077 km (0.115 R)
• M11: 9,636,197 km (0.064 R)
• M12: 10,971,358 km (0.091 R)
• M13: 11,769,463 km (0.057 R)
• M14: 12,471,376 km (0.106 R)
• M15: 13,016,062 km (0.082 R)
• M16: 14,104,386 km (0.098 R)
• M17: 14,695,896 km (0.114 R)
• M18: 16,462,498 km (0.115 R)
• M19: 18,658,744 km (0.092 R)
• M20: 21,557,652 km (0.094 R)

Asteroid Belt

Center: 5.06 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.2

Radius: 13.4

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 5.45 AU - 5.49 AU

Year: 4769 Days

Day: 5.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,291,856 km

• M1: 166,802 km (0.096 R)
• M2: 782,247 km (0.117 R)
• M3: 1,590,824 km (0.119 R)
• M4: 2,353,474 km (0.109 R)
• M5: 2,780,875 km (0.089 R)
• M6: 3,567,311 km (0.039 R)
• M7: 4,282,538 km (0.051 R)
• M8: 6,270,993 km (0.077 R)
• M9: 6,837,670 km (0.09 R)
• M10: 8,608,460 km (0.09 R)
• M11: 9,935,243 km (0.074 R)
• M12: 11,982,191 km (0.085 R)
• M13: 12,678,868 km (0.115 R)
• M14: 15,687,431 km (0.082 R)
• M15: 16,310,207 km (0.108 R)
• M16: 16,949,588 km (0.086 R)
• M17: 17,384,918 km (0.112 R)
• M18: 18,392,011 km (0.088 R)
• M19: 19,319,518 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.7

Radius: 14.7

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 5.7 AU - 6.42 AU

Year: 5561 Days

Day: 8.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,291,856 km

• M1: 183,557 km (0.043 R)
• M2: 1,384,379 km (0.07 R)
• M3: 1,907,373 km (0.076 R)
• M4: 2,830,841 km (0.107 R)
• M5: 3,652,432 km (0.119 R)
• M6: 4,791,470 km (0.051 R)
• M7: 5,718,977 km (0.08 R)
• M8: 6,674,159 km (0.085 R)
• M9: 8,511,520 km (0.073 R)
• M10: 9,230,189 km (0.074 R)
• M11: 10,185,072 km (0.083 R)
• M12: 13,305,683 km (0.106 R)
• M13: 14,981,180 km (0.073 R)
• M14: 16,518,148 km (0.076 R)
• M15: 20,342,019 km (0.084 R)

Asteroid Belt

Center: 6.41 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.3

Radius: 11.4

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 6 AU - 7.52 AU

Year: 6552 Days

Day: 5.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,291,856 km

• M1: 141,819 km (0.113 R)
• M2: 590,313 km (0.107 R)
• M3: 986,149 km (0.044 R)
• M4: 1,384,079 km (0.094 R)
• M5: 1,993,990 km (0.103 R)
• M6: 2,362,300 km (0.11 R)
• M7: 2,814,834 km (0.114 R)
• M8: 5,236,075 km (0.094 R)
• M9: 5,978,978 km (0.101 R)
• M10: 9,403,573 km (0.048 R)
• M11: 12,678,270 km (0.114 R)
• M12: 14,541,811 km (0.098 R)
• M13: 15,019,776 km (0.101 R)
• M14: 15,631,930 km (0.089 R)
• M15: 21,758,412 km (0.038 R)
• M16: 25,178,518 km (0.082 R)
• M17: 26,217,924 km (0.119 R)
• M18: 28,567,957 km (0.036 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.6

Radius: 10.3

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 5.64 AU - 8.14 AU

Year: 6742 Days

Day: 14.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,291,856 km

• M1: 138,528 km (0.108 R)
• M2: 673,789 km (0.05 R)
• M3: 1,087,427 km (0.083 R)
• M4: 1,670,260 km (0.115 R)
• M5: 2,088,835 km (0.106 R)
• M6: 3,096,227 km (0.058 R)
• M7: 5,227,698 km (0.096 R)
• M8: 5,834,766 km (0.097 R)
• M9: 6,908,130 km (0.116 R)
• M10: 8,892,247 km (0.085 R)
• M11: 12,768,477 km (0.111 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.6

Radius: 10.9

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 8.04 AU - 10.78 AU

Year: 10761 Days

Day: 14.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 140.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,291,856 km

• M1: 135,685 km (0.06 R)
• M2: 775,665 km (0.107 R)
• M3: 1,433,297 km (0.098 R)
• M4: 2,115,613 km (0.113 R)
• M5: 2,843,108 km (0.052 R)
• M6: 3,996,806 km (0.09 R)
• M7: 4,905,165 km (0.12 R)
• M8: 5,377,744 km (0.075 R)
• M9: 6,414,757 km (0.075 R)
• M10: 6,800,570 km (0.057 R)
• M11: 8,172,980 km (0.082 R)
• M12: 8,796,355 km (0.084 R)
• M13: 12,080,327 km (0.065 R)
• M14: 13,907,815 km (0.099 R)
• M15: 18,103,736 km (0.079 R)
• M16: 24,151,978 km (0.093 R)
• M17: 27,125,385 km (0.076 R)
• M18: 28,044,365 km (0.103 R)
• M19: 30,925,919 km (0.057 R)
• M20: 32,336,029 km (0.107 R)
• M21: 35,175,695 km (0.109 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 12,165 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit