🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.55 AU - 0.59 AU

Year: 282 Days

Day: 16.6 Hours

Environment

Temp: -120 °C

Axial Tilt: 25.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.55 AU - 0.79 AU

Year: 360 Days

Day: 44.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 18.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.09 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.3

Radius: 14

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.21 AU - 1.79 AU

Year: 1205 Days

Day: 13.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,389,548 km

• M1: 174,132 km (0.098 R)
• M2: 885,470 km (0.038 R)
• M3: 1,422,526 km (0.104 R)
• M4: 1,916,349 km (0.096 R)
• M5: 2,513,693 km (0.052 R)
• M6: 3,277,839 km (0.073 R)
• M7: 3,886,553 km (0.047 R)
• M8: 4,912,046 km (0.116 R)
• M9: 6,503,767 km (0.09 R)
• M10: 7,239,191 km (0.062 R)
• M11: 8,249,575 km (0.112 R)
• M12: 8,905,561 km (0.112 R)
• M13: 9,938,834 km (0.092 R)
• M14: 10,550,390 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.9

Radius: 9.6

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.52 AU - 2.76 AU

Year: 2814 Days

Day: 7.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,389,548 km

• M1: 119,678 km (0.07 R)
• M2: 446,101 km (0.077 R)
• M3: 745,596 km (0.118 R)
• M4: 1,162,824 km (0.102 R)
• M5: 2,341,057 km (0.114 R)
• M6: 3,899,418 km (0.031 R)
• M7: 4,431,837 km (0.111 R)
• M8: 5,296,662 km (0.109 R)
• M9: 5,769,242 km (0.098 R)
• M10: 6,799,074 km (0.101 R)
• M11: 7,237,844 km (0.111 R)
• M12: 7,602,265 km (0.077 R)
• M13: 8,171,933 km (0.118 R)
• M14: 9,757,521 km (0.076 R)
• M15: 10,622,945 km (0.084 R)
• M16: 11,994,907 km (0.112 R)
• M17: 12,767,281 km (0.119 R)
• M18: 13,987,551 km (0.095 R)
• M19: 14,698,140 km (0.088 R)
• M20: 15,783,772 km (0.093 R)
• M21: 19,187,722 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.2

Radius: 11.2

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.63 AU - 3.37 AU

Year: 3409 Days

Day: 6 Hours

Environment

Temp: -198 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,389,548 km

• M1: 143,764 km (0.045 R)
• M2: 543,489 km (0.055 R)
• M3: 1,470,697 km (0.087 R)
• M4: 1,998,777 km (0.094 R)
• M5: 4,478,960 km (0.073 R)
• M6: 5,433,694 km (0.08 R)
• M7: 6,184,376 km (0.092 R)
• M8: 9,482,859 km (0.039 R)
• M9: 11,896,920 km (0.1 R)
• M10: 12,376,232 km (0.07 R)
• M11: 15,293,241 km (0.119 R)
• M12: 15,908,238 km (0.048 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720

Radius: 13.7

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.8 AU - 4.9 AU

Year: 5952 Days

Day: 8.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,389,548 km

• M1: 170,691 km (0.094 R)
• M2: 668,852 km (0.117 R)
• M3: 1,115,551 km (0.065 R)
• M4: 1,628,971 km (0.058 R)
• M5: 2,333,577 km (0.062 R)
• M6: 2,823,061 km (0.049 R)
• M7: 3,297,137 km (0.11 R)
• M8: 4,182,607 km (0.096 R)
• M9: 5,022,898 km (0.095 R)
• M10: 5,973,144 km (0.063 R)
• M11: 7,361,861 km (0.101 R)
• M12: 8,151,887 km (0.12 R)
• M13: 11,007,112 km (0.09 R)
• M14: 12,765,336 km (0.079 R)
• M15: 13,518,711 km (0.065 R)
• M16: 17,411,247 km (0.107 R)
• M17: 21,242,898 km (0.108 R)
• M18: 22,147,965 km (0.08 R)
• M19: 28,398,164 km (0.115 R)
• M20: 29,962,658 km (0.075 R)
• M21: 32,663,648 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.7

Radius: 9.8

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.98 AU - 6.24 AU

Year: 7578 Days

Day: 7.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 40,389,548 km

• M1: 121,922 km (0.092 R)
• M2: 651,200 km (0.116 R)
• M3: 1,155,644 km (0.105 R)
• M4: 1,568,982 km (0.094 R)
• M5: 1,938,639 km (0.101 R)
• M6: 5,095,154 km (0.096 R)
• M7: 6,219,232 km (0.1 R)
• M8: 6,784,862 km (0.081 R)
• M9: 7,193,563 km (0.036 R)
• M10: 7,978,653 km (0.081 R)
• M11: 9,083,284 km (0.108 R)
• M12: 13,064,681 km (0.037 R)
• M13: 14,052,476 km (0.109 R)
• M14: 15,277,234 km (0.069 R)
• M15: 19,900,107 km (0.085 R)
• M16: 20,507,923 km (0.073 R)
• M17: 24,590,300 km (0.063 R)
• M18: 25,202,005 km (0.088 R)
• M19: 27,750,704 km (0.106 R)
• M20: 28,413,722 km (0.116 R)
• M21: 29,477,064 km (0.026 R)
• M22: 32,198,997 km (0.032 R)
• M23: 34,104,126 km (0.086 R)
• M24: 35,748,206 km (0.12 R)
• M25: 36,759,488 km (0.118 R)
• M26: 38,137,584 km (0.062 R)
• M27: 40,268,904 km (0.111 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: 215 - 20,061 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit