🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.73 AU - 0.75 AU

Year: 239 Days

Day: 44 Hours

Environment

Temp: 120 °C

Axial Tilt: 22.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 44,612,686 km

• M1: 280,197 km (0.103 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.92 AU - 2.52 AU

Year: 1240 Days

Day: 41.7 Hours

Environment

Temp: -75 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,612,686 km

• M1: 163,660 km (0.049 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.53 AU - 2.61 AU

Year: 1544 Days

Day: 30.6 Hours

Environment

Temp: -97 °C

Axial Tilt: 49.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 44,612,686 km

• M1: 237,561 km (0.109 R)
• M2: 821,741 km (0.091 R)

Asteroid Belt

Center: 4.3 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.2

Radius: 12.2

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 5.83 AU - 6.21 AU

Year: 5535 Days

Day: 6.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,612,686 km

• M1: 152,739 km (0.08 R)
• M2: 538,104 km (0.091 R)
• M3: 991,834 km (0.099 R)
• M4: 1,465,910 km (0.031 R)
• M5: 1,892,413 km (0.088 R)
• M6: 2,388,480 km (0.099 R)
• M7: 3,477,253 km (0.062 R)
• M8: 3,980,201 km (0.106 R)
• M9: 4,598,190 km (0.12 R)
• M10: 8,457,216 km (0.118 R)
• M11: 9,012,225 km (0.07 R)
• M12: 11,231,060 km (0.088 R)
• M13: 12,555,749 km (0.118 R)
• M14: 14,415,849 km (0.114 R)
• M15: 15,513,898 km (0.09 R)
• M16: 16,991,027 km (0.119 R)
• M17: 20,965,992 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.5

Radius: 13.7

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 7.9 AU - 8.4 AU

Year: 8719 Days

Day: 8.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,612,686 km

• M1: 170,990 km (0.084 R)
• M2: 605,871 km (0.095 R)
• M3: 1,125,275 km (0.112 R)
• M4: 1,932,655 km (0.054 R)
• M5: 2,458,192 km (0.098 R)
• M6: 2,930,173 km (0.105 R)
• M7: 3,486,528 km (0.102 R)
• M8: 4,524,438 km (0.098 R)
• M9: 5,894,007 km (0.087 R)
• M10: 7,246,521 km (0.093 R)
• M11: 8,186,145 km (0.092 R)
• M12: 9,817,959 km (0.111 R)
• M13: 13,838,401 km (0.051 R)
• M14: 14,268,196 km (0.105 R)
• M15: 14,706,667 km (0.083 R)
• M16: 17,317,450 km (0.075 R)
• M17: 19,679,450 km (0.1 R)
• M18: 21,668,803 km (0.118 R)
• M19: 24,406,444 km (0.037 R)
• M20: 24,944,398 km (0.1 R)
• M21: 26,984,763 km (0.111 R)
• M22: 29,536,753 km (0.069 R)
• M23: 31,080,304 km (0.102 R)
• M24: 37,438,064 km (0.078 R)
• M25: 42,901,827 km (0.071 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 17,736 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit