🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.62 AU - 0.78 AU

Year: 222 Days

Day: 14.2 Hours

Environment

Temp: 179 °C

Axial Tilt: 134.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.7 AU - 1.74 AU

Year: 854 Days

Day: 21.3 Hours

Environment

Temp: -67 °C

Axial Tilt: 22.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,673,780 km

• M1: 300,093 km (0.071 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.53 AU - 2.01 AU

Year: 892 Days

Day: 37.9 Hours

Environment

Temp: -66 °C

Axial Tilt: 20.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,673,780 km

• M1: 17,952 km (0.041 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.19 AU - 2.31 AU

Year: 1278 Days

Day: 18.3 Hours

Environment

Temp: -88 °C

Axial Tilt: 27.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,673,780 km

• M1: 166,203 km (0.064 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.4 AU - 3.72 AU

Year: 2027 Days

Day: 29.7 Hours

Environment

Temp: -111 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 11.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 954.6

Radius: 4.3

Gravity: 51.63 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 10.13 AU - 13.61 AU

Year: 15489 Days

Day: 15.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 71,673,780 km

• M1: 54,005 km (0.115 R)
• M2: 335,997 km (0.106 R)
• M3: 617,839 km (0.118 R)
• M4: 805,734 km (0.056 R)
• M5: 994,826 km (0.106 R)
• M6: 1,145,920 km (0.066 R)
• M7: 1,371,214 km (0.106 R)
• M8: 1,608,925 km (0.086 R)
• M9: 2,444,579 km (0.049 R)
• M10: 2,868,390 km (0.112 R)
• M11: 3,098,022 km (0.113 R)
• M12: 3,284,870 km (0.044 R)
• M13: 3,681,304 km (0.117 R)
• M14: 4,140,570 km (0.061 R)
• M15: 5,435,788 km (0.119 R)
• M16: 6,154,307 km (0.112 R)
• M17: 6,889,132 km (0.031 R)
• M18: 8,952,385 km (0.116 R)
• M19: 10,008,098 km (0.065 R)
• M20: 10,299,215 km (0.087 R)
• M21: 11,839,774 km (0.109 R)
• M22: 12,297,244 km (0.111 R)
• M23: 17,707,302 km (0.112 R)
• M24: 20,271,858 km (0.115 R)
• M25: 26,342,539 km (0.1 R)
• M26: 26,563,496 km (0.077 R)
• M27: 30,876,552 km (0.112 R)
• M28: 38,824,687 km (0.117 R)
• M29: 44,661,098 km (0.052 R)
• M30: 47,378,543 km (0.108 R)
• M31: 55,823,343 km (0.085 R)
• M32: 56,187,913 km (0.106 R)
• M33: 59,730,241 km (0.116 R)
• M34: 64,413,851 km (0.101 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 347 - 18,938 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit