🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.7 AU - 0.8 AU

Year: 238 Days

Day: 31.9 Hours

Environment

Temp: 148 °C

Axial Tilt: 157.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 44,973,969 km

• M1: 44,730 km (0.104 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.43 AU - 1.45 AU

Year: 634 Days

Day: 44 Hours

Environment

Temp: -34 °C

Axial Tilt: 103.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.13 AU - 3.09 AU

Year: 1548 Days

Day: 45.5 Hours

Environment

Temp: -86 °C

Axial Tilt: 18.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.85 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.2

Radius: 14.8

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 6.94 AU - 7.24 AU

Year: 6930 Days

Day: 7.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,973,969 km

• M1: 184,005 km (0.071 R)
• M2: 753,225 km (0.107 R)
• M3: 2,547,502 km (0.069 R)
• M4: 3,042,970 km (0.032 R)
• M5: 4,080,731 km (0.098 R)
• M6: 4,655,187 km (0.076 R)
• M7: 5,618,597 km (0.114 R)
• M8: 6,098,806 km (0.083 R)
• M9: 7,290,203 km (0.09 R)
• M10: 8,548,471 km (0.104 R)
• M11: 10,945,029 km (0.061 R)
• M12: 11,697,805 km (0.103 R)
• M13: 12,700,710 km (0.097 R)
• M14: 15,060,018 km (0.09 R)
• M15: 15,992,012 km (0.084 R)
• M16: 22,016,767 km (0.109 R)
• M17: 22,973,895 km (0.096 R)
• M18: 23,462,930 km (0.078 R)
• M19: 27,172,957 km (0.109 R)
• M20: 28,274,446 km (0.068 R)
• M21: 29,596,742 km (0.048 R)
• M22: 32,161,597 km (0.117 R)
• M23: 32,773,902 km (0.1 R)
• M24: 34,127,313 km (0.056 R)
• M25: 37,168,638 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.2

Radius: 13.5

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 8.03 AU - 12.79 AU

Year: 12330 Days

Day: 5.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 44,973,969 km

• M1: 172,786 km (0.091 R)
• M2: 983,008 km (0.103 R)
• M3: 2,223,772 km (0.119 R)
• M4: 3,755,206 km (0.072 R)
• M5: 4,388,454 km (0.099 R)
• M6: 4,849,514 km (0.096 R)
• M7: 5,279,608 km (0.111 R)
• M8: 6,111,522 km (0.098 R)
• M9: 7,994,510 km (0.112 R)
• M10: 8,597,390 km (0.115 R)
• M11: 9,138,186 km (0.091 R)
• M12: 9,894,403 km (0.062 R)
• M13: 13,643,924 km (0.078 R)
• M14: 16,891,694 km (0.06 R)
• M15: 18,177,637 km (0.105 R)
• M16: 18,769,596 km (0.056 R)
• M17: 21,186,350 km (0.098 R)
• M18: 23,281,019 km (0.095 R)
• M19: 24,692,176 km (0.102 R)
• M20: 26,066,232 km (0.063 R)
• M21: 27,010,195 km (0.106 R)
• M22: 29,066,567 km (0.114 R)
• M23: 31,225,414 km (0.08 R)
• M24: 33,932,387 km (0.074 R)
• M25: 35,514,983 km (0.075 R)
• M26: 39,562,204 km (0.028 R)
• M27: 41,314,594 km (0.074 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: 208 - 19,166 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit