🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.51 AU - 0.55 AU

Year: 253 Days

Day: 30.2 Hours

Environment

Temp: -123 °C

Axial Tilt: 8.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 79,544,312 km

• M1: 264,788 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.1

Radius: 8.6

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.86 AU - 1.14 AU

Year: 656 Days

Day: 5.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,544,312 km

• M1: 107,411 km (0.064 R)
• M2: 397,182 km (0.062 R)
• M3: 940,821 km (0.042 R)
• M4: 1,683,275 km (0.086 R)
• M5: 2,010,147 km (0.105 R)
• M6: 2,389,228 km (0.117 R)
• M7: 2,771,749 km (0.104 R)
• M8: 3,267,367 km (0.104 R)
• M9: 3,594,837 km (0.077 R)
• M10: 4,098,832 km (0.084 R)
• M11: 4,390,548 km (0.069 R)
• M12: 5,860,945 km (0.111 R)
• M13: 6,137,851 km (0.049 R)
• M14: 6,777,980 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.8

Radius: 10

Gravity: 9.38 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.01 AU - 1.07 AU

Year: 696 Days

Day: 12.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,544,312 km

• M1: 153,188 km (0.074 R)
• M2: 531,820 km (0.078 R)
• M3: 1,288,337 km (0.102 R)
• M4: 1,760,019 km (0.059 R)
• M5: 2,794,937 km (0.061 R)
• M6: 3,262,131 km (0.118 R)
• M7: 3,707,783 km (0.113 R)
• M8: 4,115,138 km (0.115 R)
• M9: 5,349,620 km (0.105 R)
• M10: 6,426,126 km (0.087 R)
• M11: 6,904,091 km (0.117 R)
• M12: 7,882,312 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.6

Radius: 10.7

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.03 AU - 1.71 AU

Year: 1052 Days

Day: 12.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 79,544,312 km

• M1: 133,142 km (0.097 R)
• M2: 556,205 km (0.118 R)
• M3: 1,017,714 km (0.091 R)
• M4: 1,434,195 km (0.114 R)
• M5: 1,918,593 km (0.113 R)
• M6: 3,091,739 km (0.026 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.9

Radius: 10.1

Gravity: 9.44 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.68 AU - 2.64 AU

Year: 2083 Days

Day: 15 Hours

Environment

Temp: -186 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 79,544,312 km

• M1: 125,662 km (0.092 R)
• M2: 462,557 km (0.079 R)
• M3: 799,002 km (0.113 R)
• M4: 1,263,055 km (0.105 R)
• M5: 1,636,451 km (0.037 R)
• M6: 2,185,176 km (0.099 R)
• M7: 3,277,540 km (0.102 R)
• M8: 4,316,647 km (0.086 R)
• M9: 6,254,986 km (0.11 R)
• M10: 7,596,729 km (0.096 R)
• M11: 9,052,616 km (0.064 R)
• M12: 9,864,783 km (0.111 R)
• M13: 10,232,794 km (0.07 R)
• M14: 11,715,308 km (0.086 R)
• M15: 12,128,199 km (0.117 R)
• M16: 12,636,532 km (0.091 R)
• M17: 13,114,946 km (0.095 R)
• M18: 13,605,328 km (0.093 R)
• M19: 14,528,197 km (0.076 R)
• M20: 15,005,115 km (0.046 R)
• M21: 16,704,996 km (0.08 R)
• M22: 18,088,926 km (0.094 R)
• M23: 18,418,789 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 809.5

Radius: 3.7

Gravity: 59.13 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 9.39 AU - 9.91 AU

Year: 19665 Days

Day: 15.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 79,544,312 km

• M1: 46,525 km (0.095 R)
• M2: 193,879 km (0.105 R)
• M3: 390,301 km (0.046 R)
• M4: 720,912 km (0.088 R)
• M5: 1,172,698 km (0.047 R)
• M6: 1,411,306 km (0.031 R)
• M7: 2,368,733 km (0.09 R)
• M8: 3,143,051 km (0.113 R)
• M9: 3,513,306 km (0.081 R)
• M10: 4,007,877 km (0.033 R)
• M11: 4,834,704 km (0.115 R)
• M12: 4,982,806 km (0.101 R)
• M13: 6,410,867 km (0.026 R)
• M14: 7,338,673 km (0.104 R)
• M15: 7,633,680 km (0.117 R)
• M16: 10,968,067 km (0.118 R)
• M17: 14,384,434 km (0.095 R)
• M18: 15,397,211 km (0.042 R)
• M19: 15,799,031 km (0.071 R)
• M20: 17,913,747 km (0.12 R)
• M21: 21,378,284 km (0.077 R)
• M22: 22,385,975 km (0.099 R)
• M23: 23,742,678 km (0.064 R)
• M24: 24,932,729 km (0.047 R)
• M25: 25,153,236 km (0.099 R)
• M26: 25,710,339 km (0.079 R)
• M27: 32,000,181 km (0.034 R)
• M28: 34,532,275 km (0.104 R)
• M29: 38,502,303 km (0.071 R)
• M30: 41,517,149 km (0.11 R)
• M31: 41,671,833 km (0.097 R)
• M32: 53,669,732 km (0.107 R)
• M33: 56,089,777 km (0.105 R)
• M34: 63,991,088 km (0.066 R)
• M35: 71,263,938 km (0.098 R)
• M36: 75,789,124 km (0.077 R)
• M37: 76,251,979 km (0.108 R)
• M38: 78,121,953 km (0.104 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: 419 - 13,649 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit