🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.02 AU - 1.14 AU

Year: 421 Days

Day: 46.6 Hours

Environment

Temp: 6 °C

Axial Tilt: 18.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 47,978,583 km

• M1: 200,910 km (0.083 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.28 AU - 1.56 AU

Year: 634 Days

Day: 28.4 Hours

Environment

Temp: -31 °C

Axial Tilt: 41.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.9 AU - 2.5 AU

Year: 1223 Days

Day: 31.6 Hours

Environment

Temp: -93 °C

Axial Tilt: 171.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 47,978,583 km

• M1: 51,462 km (0.065 R)
• M2: 262,843 km (0.061 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.86 AU - 4.56 AU

Year: 2678 Days

Day: 13.6 Hours

Environment

Temp: -131 °C

Axial Tilt: 41.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,978,583 km

• M1: 1,768,396 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 693.8

Radius: 5.9

Gravity: 19.93 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 10.92 AU - 17.22 AU

Year: 19777 Days

Day: 15.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 47,978,583 km

• M1: 73,453 km (0.102 R)
• M2: 334,202 km (0.098 R)
• M3: 601,383 km (0.105 R)
• M4: 1,285,943 km (0.051 R)
• M5: 1,959,882 km (0.106 R)
• M6: 3,406,344 km (0.12 R)
• M7: 3,608,600 km (0.111 R)
• M8: 4,363,770 km (0.114 R)
• M9: 4,959,169 km (0.105 R)
• M10: 5,450,000 km (0.064 R)
• M11: 5,889,967 km (0.048 R)
• M12: 6,267,403 km (0.112 R)
• M13: 6,978,142 km (0.082 R)
• M14: 7,990,621 km (0.094 R)
• M15: 8,400,818 km (0.113 R)
• M16: 8,879,082 km (0.074 R)
• M17: 10,302,955 km (0.115 R)
• M18: 14,403,283 km (0.116 R)
• M19: 15,010,800 km (0.092 R)
• M20: 15,242,976 km (0.116 R)
• M21: 16,114,982 km (0.108 R)
• M22: 17,272,121 km (0.081 R)
• M23: 20,029,809 km (0.09 R)
• M24: 20,405,748 km (0.054 R)
• M25: 24,965,042 km (0.037 R)
• M26: 25,840,938 km (0.097 R)
• M27: 27,538,126 km (0.09 R)
• M28: 31,530,893 km (0.118 R)
• M29: 34,935,890 km (0.033 R)
• M30: 35,892,868 km (0.102 R)
• M31: 39,453,297 km (0.079 R)
• M32: 43,398,641 km (0.047 R)
• M33: 44,186,424 km (0.073 R)
• M34: 52,594,871 km (0.073 R)
• M35: 56,984,821 km (0.087 R)
• M36: 62,009,215 km (0.07 R)
• M37: 63,612,755 km (0.087 R)
• M38: 63,815,011 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 173.4

Radius: 5.2

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 11.45 AU - 16.81 AU

Year: 19904 Days

Day: 17 Hours

Environment

Temp: -189 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 47,978,583 km

• M1: 64,626 km (0.048 R)
• M2: 260,899 km (0.05 R)
• M3: 425,456 km (0.073 R)
• M4: 718,818 km (0.087 R)
• M5: 1,185,563 km (0.096 R)
• M6: 1,519,914 km (0.082 R)
• M7: 2,101,401 km (0.101 R)
• M8: 3,954,470 km (0.112 R)
• M9: 4,202,055 km (0.118 R)
• M10: 6,879,856 km (0.094 R)
• M11: 8,891,349 km (0.093 R)
• M12: 9,461,617 km (0.099 R)
• M13: 14,604,791 km (0.086 R)
• M14: 18,172,850 km (0.116 R)
• M15: 18,551,183 km (0.105 R)
• M16: 21,684,211 km (0.081 R)
• M17: 22,889,821 km (0.059 R)
• M18: 23,598,466 km (0.052 R)
• M19: 31,399,097 km (0.072 R)
• M20: 34,299,949 km (0.103 R)
• M21: 39,355,310 km (0.067 R)
• M22: 40,885,996 km (0.111 R)
• M23: 42,854,554 km (0.058 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 12,144 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit