🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.47 AU - 0.63 AU

Year: 152 Days

Day: 22.6 Hours

Environment

Temp: 218 °C

Axial Tilt: 35.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.55 AU - 1.99 AU

Year: 878 Days

Day: 32.7 Hours

Environment

Temp: -56 °C

Axial Tilt: 12.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.92 AU - 2.3 AU

Year: 1143 Days

Day: 32.1 Hours

Environment

Temp: -84 °C

Axial Tilt: 26.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.89 AU - 3.07 AU

Year: 1456 Days

Day: 44.9 Hours

Environment

Temp: -93 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 90,264,564 km

• M1: 23,487 km (0.101 R)
• M2: 275,559 km (0.063 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.21 AU - 4.53 AU

Year: 2838 Days

Day: 30.9 Hours

Environment

Temp: -125 °C

Axial Tilt: 45.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 90,264,564 km

• M1: 59,241 km (0.083 R)

Asteroid Belt

Center: 5.09 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.5

Radius: 13.5

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 5.9 AU - 6.72 AU

Year: 5909 Days

Day: 10.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 90,264,564 km

• M1: 176,525 km (0.05 R)
• M2: 665,711 km (0.082 R)
• M3: 1,182,122 km (0.082 R)
• M4: 1,665,174 km (0.064 R)
• M5: 2,869,138 km (0.064 R)
• M6: 4,947,800 km (0.076 R)
• M7: 5,413,797 km (0.119 R)
• M8: 6,300,464 km (0.117 R)
• M9: 6,884,644 km (0.067 R)
• M10: 10,088,731 km (0.06 R)
• M11: 11,784,722 km (0.113 R)
• M12: 12,889,502 km (0.081 R)
• M13: 18,696,143 km (0.117 R)
• M14: 24,930,336 km (0.042 R)
• M15: 25,871,605 km (0.107 R)
• M16: 30,162,671 km (0.109 R)
• M17: 31,133,262 km (0.041 R)
• M18: 33,034,651 km (0.107 R)
• M19: 34,589,571 km (0.081 R)
• M20: 35,225,063 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390

Radius: 11.9

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 7.69 AU - 8.03 AU

Year: 8215 Days

Day: 14.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 168.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 90,264,564 km

• M1: 148,251 km (0.105 R)
• M2: 639,680 km (0.073 R)
• M3: 1,011,880 km (0.117 R)
• M4: 1,780,364 km (0.065 R)
• M5: 3,267,816 km (0.076 R)
• M6: 4,130,996 km (0.026 R)
• M7: 4,616,590 km (0.057 R)
• M8: 5,197,628 km (0.119 R)
• M9: 5,984,064 km (0.118 R)
• M10: 6,641,697 km (0.086 R)
• M11: 7,680,205 km (0.119 R)
• M12: 8,062,577 km (0.076 R)
• M13: 10,537,076 km (0.075 R)
• M14: 15,927,087 km (0.113 R)
• M15: 17,255,366 km (0.101 R)
• M16: 20,131,535 km (0.086 R)
• M17: 22,682,927 km (0.072 R)
• M18: 23,552,539 km (0.036 R)
• M19: 27,078,711 km (0.093 R)
• M20: 29,244,289 km (0.112 R)
• M21: 31,328,487 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 954.2

Radius: 6

Gravity: 26.51 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 14.13 AU - 16.09 AU

Year: 21895 Days

Day: 21.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 90,264,564 km

• M1: 84,523 km (0.113 R)
• M2: 525,537 km (0.068 R)
• M3: 743,352 km (0.113 R)
• M4: 1,129,614 km (0.117 R)
• M5: 1,466,957 km (0.11 R)
• M6: 1,678,189 km (0.089 R)
• M7: 1,970,802 km (0.1 R)
• M8: 2,866,894 km (0.106 R)
• M9: 3,345,308 km (0.068 R)
• M10: 5,102,035 km (0.103 R)
• M11: 5,549,034 km (0.074 R)
• M12: 6,756,588 km (0.101 R)
• M13: 7,195,508 km (0.105 R)
• M14: 7,601,217 km (0.042 R)
• M15: 8,403,212 km (0.061 R)
• M16: 9,986,705 km (0.114 R)
• M17: 11,079,966 km (0.042 R)
• M18: 11,828,554 km (0.045 R)
• M19: 12,683,057 km (0.109 R)
• M20: 12,976,867 km (0.102 R)
• M21: 14,276,274 km (0.062 R)
• M22: 18,692,104 km (0.117 R)
• M23: 19,555,583 km (0.068 R)
• M24: 24,051,448 km (0.119 R)
• M25: 28,810,156 km (0.082 R)
• M26: 29,445,947 km (0.077 R)
• M27: 29,961,162 km (0.116 R)
• M28: 31,543,160 km (0.058 R)
• M29: 32,765,524 km (0.103 R)
• M30: 35,159,988 km (0.103 R)
• M31: 36,770,109 km (0.068 R)
• M32: 37,517,949 km (0.081 R)
• M33: 41,409,887 km (0.081 R)
• M34: 43,039,307 km (0.107 R)
• M35: 53,149,580 km (0.072 R)
• M36: 55,658,187 km (0.09 R)
• M37: 57,041,219 km (0.075 R)
• M38: 58,446,841 km (0.11 R)
• M39: 77,157,346 km (0.085 R)
• M40: 79,619,876 km (0.072 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 306 - 12,771 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit