🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.44 AU - 0.62 AU

Year: 163 Days

Day: 37.5 Hours

Environment

Temp: 125 °C

Axial Tilt: 32.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.69 AU - 1.09 AU

Year: 354 Days

Day: 12.9 Hours

Environment

Temp: -41 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,869,578 km

• M1: 28,274 km (0.05 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.15 AU - 2.67 AU

Year: 1578 Days

Day: 37.9 Hours

Environment

Temp: -117 °C

Axial Tilt: 11.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.85 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.5

Radius: 13.1

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3.14 AU - 3.42 AU

Year: 2505 Days

Day: 10.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,869,578 km

• M1: 163,510 km (0.113 R)
• M2: 955,930 km (0.082 R)
• M3: 1,365,380 km (0.056 R)
• M4: 2,002,517 km (0.115 R)
• M5: 2,511,449 km (0.029 R)
• M6: 3,196,757 km (0.114 R)
• M7: 3,950,730 km (0.069 R)
• M8: 4,389,501 km (0.058 R)
• M9: 6,582,306 km (0.089 R)
• M10: 7,309,352 km (0.103 R)
• M11: 9,554,966 km (0.046 R)
• M12: 10,215,291 km (0.12 R)
• M13: 12,075,690 km (0.063 R)
• M14: 13,984,708 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.7

Radius: 8.8

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.6 AU - 3.6 AU

Year: 2881 Days

Day: 13.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,869,578 km

• M1: 109,506 km (0.12 R)
• M2: 415,284 km (0.091 R)
• M3: 846,874 km (0.1 R)
• M4: 1,425,817 km (0.102 R)
• M5: 2,714,453 km (0.088 R)
• M6: 3,715,413 km (0.106 R)
• M7: 4,490,479 km (0.059 R)
• M8: 4,795,958 km (0.075 R)
• M9: 5,096,201 km (0.086 R)
• M10: 5,590,622 km (0.09 R)
• M11: 6,560,914 km (0.115 R)
• M12: 6,861,157 km (0.093 R)
• M13: 8,721,107 km (0.05 R)
• M14: 9,931,803 km (0.049 R)
• M15: 10,483,669 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.1

Radius: 12.8

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 5.61 AU - 5.89 AU

Year: 5815 Days

Day: 14.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,869,578 km

• M1: 159,621 km (0.063 R)
• M2: 658,231 km (0.093 R)
• M3: 1,662,332 km (0.116 R)
• M4: 2,437,398 km (0.109 R)
• M5: 2,874,822 km (0.081 R)
• M6: 3,274,398 km (0.117 R)
• M7: 3,695,067 km (0.101 R)
• M8: 4,608,811 km (0.075 R)
• M9: 5,889,070 km (0.075 R)
• M10: 7,289,755 km (0.09 R)
• M11: 7,820,977 km (0.104 R)
• M12: 8,521,394 km (0.108 R)
• M13: 12,593,149 km (0.043 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.8

Radius: 13.9

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 5.62 AU - 8 AU

Year: 7495 Days

Day: 9.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,869,578 km

• M1: 172,935 km (0.116 R)
• M2: 772,224 km (0.095 R)
• M3: 1,206,656 km (0.093 R)
• M4: 2,496,340 km (0.072 R)
• M5: 3,650,786 km (0.06 R)
• M6: 4,412,240 km (0.045 R)
• M7: 5,163,520 km (0.104 R)
• M8: 7,418,409 km (0.049 R)
• M9: 12,188,187 km (0.083 R)
• M10: 12,966,994 km (0.064 R)
• M11: 13,945,214 km (0.116 R)
• M12: 15,089,040 km (0.092 R)
• M13: 16,668,644 km (0.093 R)
• M14: 18,761,069 km (0.095 R)
• M15: 23,699,743 km (0.107 R)
• M16: 28,443,043 km (0.037 R)
• M17: 29,444,003 km (0.114 R)
• M18: 31,227,957 km (0.029 R)
• M19: 31,903,092 km (0.067 R)
• M20: 33,583,076 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.4

Radius: 8.3

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 6.95 AU - 8.06 AU

Year: 8663 Days

Day: 14.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,869,578 km

• M1: 108,608 km (0.114 R)
• M2: 1,031,777 km (0.067 R)
• M3: 1,676,843 km (0.082 R)
• M4: 2,076,867 km (0.04 R)
• M5: 3,428,334 km (0.119 R)
• M6: 4,781,597 km (0.077 R)
• M7: 5,333,613 km (0.086 R)
• M8: 8,944,756 km (0.047 R)
• M9: 10,167,419 km (0.074 R)
• M10: 10,781,967 km (0.101 R)
• M11: 11,887,047 km (0.078 R)
• M12: 13,192,288 km (0.078 R)
• M13: 15,654,520 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 448.3

Radius: 4.6

Gravity: 21.19 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 10.7 AU - 13.84 AU

Year: 18127 Days

Day: 22.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,869,578 km

• M1: 57,146 km (0.112 R)
• M2: 581,936 km (0.042 R)
• M3: 2,238,433 km (0.093 R)
• M4: 2,486,616 km (0.08 R)
• M5: 2,684,833 km (0.092 R)
• M6: 2,893,372 km (0.069 R)
• M7: 5,110,114 km (0.11 R)
• M8: 6,935,956 km (0.098 R)
• M9: 8,549,518 km (0.056 R)
• M10: 10,796,628 km (0.085 R)
• M11: 14,788,797 km (0.108 R)
• M12: 15,439,697 km (0.109 R)
• M13: 17,828,027 km (0.071 R)
• M14: 24,400,909 km (0.093 R)
• M15: 29,390,446 km (0.118 R)
• M16: 31,232,744 km (0.119 R)
• M17: 38,151,795 km (0.072 R)
• M18: 40,760,782 km (0.11 R)
• M19: 45,873,589 km (0.087 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 343 - 16,331 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit