🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.76 AU - 0.94 AU

Year: 274 Days

Day: 40.2 Hours

Environment

Temp: 145 °C

Axial Tilt: 15.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 38,495,069 km

• M1: 498,909 km (0.091 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.68 AU - 1.86 AU

Year: 824 Days

Day: 17.6 Hours

Environment

Temp: -44 °C

Axial Tilt: 12 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 38,495,069 km

• M1: 44,281 km (0.107 R)
• M2: 718,070 km (0.105 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.44 AU - 2.96 AU

Year: 1552 Days

Day: 29.5 Hours

Environment

Temp: -87 °C

Axial Tilt: 29.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 38,495,069 km

• M1: 264,788 km (0.059 R)
• M2: 1,723,667 km (0.099 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.61 AU - 3.03 AU

Year: 1657 Days

Day: 40.8 Hours

Environment

Temp: -91 °C

Axial Tilt: 10.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.89 AU - 4.53 AU

Year: 2500 Days

Day: 25.3 Hours

Environment

Temp: -113 °C

Axial Tilt: 20.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618

Radius: 14.7

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 6.14 AU - 9.4 AU

Year: 7577 Days

Day: 7.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 129.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 38,495,069 km

• M1: 182,809 km (0.073 R)
• M2: 661,223 km (0.107 R)
• M3: 1,186,461 km (0.097 R)
• M4: 2,030,492 km (0.084 R)
• M5: 2,746,767 km (0.076 R)
• M6: 3,604,710 km (0.114 R)
• M7: 4,135,184 km (0.109 R)
• M8: 5,205,408 km (0.116 R)
• M9: 5,790,335 km (0.086 R)
• M10: 6,591,881 km (0.113 R)
• M11: 7,315,336 km (0.083 R)
• M12: 8,091,450 km (0.111 R)
• M13: 9,094,503 km (0.118 R)
• M14: 9,762,607 km (0.11 R)
• M15: 11,705,734 km (0.068 R)
• M16: 12,551,112 km (0.104 R)
• M17: 14,011,337 km (0.035 R)
• M18: 15,707,926 km (0.074 R)
• M19: 16,802,534 km (0.06 R)
• M20: 21,075,946 km (0.096 R)
• M21: 23,463,080 km (0.094 R)
• M22: 26,113,954 km (0.092 R)
• M23: 30,505,100 km (0.111 R)
• M24: 32,004,370 km (0.098 R)
• M25: 32,823,718 km (0.074 R)

Kuiper Belt

Range: 31.4 - 57.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 17,915 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit