🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.54 AU - 0.74 AU

Year: 188 Days

Day: 45.1 Hours

Environment

Temp: 146 °C

Axial Tilt: 15.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 72,170,759 km

• M1: 202,705 km (0.063 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.89 AU - 1.17 AU

Year: 384 Days

Day: 40.4 Hours

Environment

Temp: 10 °C

Axial Tilt: 36.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.54 AU - 2.12 AU

Year: 909 Days

Day: 28.8 Hours

Environment

Temp: -52 °C

Axial Tilt: 36.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 72,170,759 km

• M1: 145,858 km (0.062 R)
• M2: 1,173,147 km (0.064 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.17 AU - 2.35 AU

Year: 1247 Days

Day: 45.4 Hours

Environment

Temp: -72 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.29 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.3

Radius: 14.9

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.78 AU - 7.84 AU

Year: 5819 Days

Day: 9.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,170,759 km

• M1: 185,352 km (0.106 R)
• M2: 655,687 km (0.032 R)
• M3: 1,244,355 km (0.053 R)
• M4: 2,269,848 km (0.059 R)
• M5: 2,775,938 km (0.116 R)
• M6: 3,876,829 km (0.086 R)
• M7: 5,252,381 km (0.101 R)
• M8: 7,293,794 km (0.1 R)
• M9: 7,858,825 km (0.074 R)
• M10: 10,047,591 km (0.112 R)
• M11: 11,233,603 km (0.07 R)
• M12: 13,323,037 km (0.115 R)
• M13: 13,997,574 km (0.101 R)
• M14: 16,539,840 km (0.087 R)
• M15: 18,812,680 km (0.088 R)
• M16: 19,519,081 km (0.106 R)
• M17: 20,984,991 km (0.111 R)
• M18: 24,217,950 km (0.101 R)
• M19: 26,257,418 km (0.104 R)
• M20: 28,225,528 km (0.064 R)
• M21: 29,339,583 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 563.3

Radius: 7

Gravity: 11.5 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 13.05 AU - 16.05 AU

Year: 20374 Days

Day: 16.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,170,759 km

• M1: 87,515 km (0.066 R)
• M2: 320,738 km (0.079 R)
• M3: 708,047 km (0.094 R)
• M4: 1,160,131 km (0.096 R)
• M5: 1,918,892 km (0.1 R)
• M6: 2,193,254 km (0.12 R)
• M7: 2,516,087 km (0.078 R)
• M8: 3,257,793 km (0.092 R)
• M9: 3,827,910 km (0.095 R)
• M10: 5,818,160 km (0.081 R)
• M11: 7,381,608 km (0.111 R)
• M12: 12,678,420 km (0.058 R)
• M13: 13,157,432 km (0.105 R)
• M14: 27,556,526 km (0.038 R)
• M15: 28,244,228 km (0.081 R)
• M16: 42,964,060 km (0.058 R)
• M17: 47,554,321 km (0.108 R)
• M18: 59,387,213 km (0.05 R)
• M19: 65,267,307 km (0.113 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 392 - 10,437 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit