🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

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: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.47 AU - 0.59 AU

Year: 249 Days

Day: 47.7 Hours

Environment

Temp: -113 °C

Axial Tilt: 48.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.79 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.4

Radius: 8.8

Gravity: 12.48 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.9 AU - 1.2 AU

Year: 695 Days

Day: 9.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,479,888 km

• M1: 109,506 km (0.097 R)
• M2: 420,370 km (0.097 R)
• M3: 1,120,787 km (0.12 R)
• M4: 1,430,604 km (0.035 R)
• M5: 1,815,819 km (0.078 R)
• M6: 2,689,919 km (0.106 R)
• M7: 3,188,080 km (0.04 R)
• M8: 4,206,991 km (0.103 R)
• M9: 4,756,763 km (0.084 R)
• M10: 6,415,505 km (0.115 R)
• M11: 6,828,544 km (0.099 R)
• M12: 7,144,196 km (0.102 R)
• M13: 8,050,310 km (0.116 R)
• M14: 8,351,900 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481

Radius: 12.1

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.5 AU - 5.83 AU

Year: 6495 Days

Day: 9.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,479,888 km

• M1: 151,393 km (0.075 R)
• M2: 696,677 km (0.096 R)
• M3: 1,282,951 km (0.092 R)
• M4: 1,761,365 km (0.113 R)
• M5: 2,574,579 km (0.066 R)
• M6: 3,389,439 km (0.098 R)
• M7: 3,984,390 km (0.108 R)
• M8: 4,912,046 km (0.073 R)
• M9: 8,102,669 km (0.103 R)
• M10: 10,780,771 km (0.118 R)
• M11: 11,437,056 km (0.081 R)
• M12: 12,881,573 km (0.099 R)
• M13: 14,221,671 km (0.1 R)
• M14: 18,269,191 km (0.094 R)
• M15: 19,406,883 km (0.11 R)
• M16: 20,591,249 km (0.11 R)
• M17: 21,749,286 km (0.108 R)
• M18: 24,037,236 km (0.099 R)
• M19: 24,995,710 km (0.105 R)
• M20: 25,566,575 km (0.034 R)
• M21: 26,313,218 km (0.088 R)
• M22: 26,819,009 km (0.101 R)
• M23: 27,676,504 km (0.112 R)
• M24: 31,573,079 km (0.074 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 657.5

Radius: 6.5

Gravity: 15.56 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 5.37 AU - 8.83 AU

Year: 12215 Days

Day: 18.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 79,479,888 km

• M1: 87,964 km (0.099 R)
• M2: 1,073,514 km (0.117 R)
• M3: 1,424,022 km (0.119 R)
• M4: 1,783,207 km (0.077 R)
• M5: 2,257,881 km (0.112 R)
• M6: 3,881,317 km (0.064 R)
• M7: 4,281,042 km (0.07 R)
• M8: 6,584,700 km (0.078 R)
• M9: 6,946,577 km (0.118 R)
• M10: 7,407,039 km (0.105 R)
• M11: 7,710,424 km (0.107 R)
• M12: 7,977,007 km (0.058 R)
• M13: 9,862,988 km (0.096 R)
• M14: 12,814,404 km (0.105 R)
• M15: 14,223,317 km (0.057 R)
• M16: 15,102,803 km (0.053 R)
• M17: 16,089,849 km (0.106 R)
• M18: 18,191,849 km (0.117 R)
• M19: 19,635,768 km (0.079 R)
• M20: 22,120,140 km (0.109 R)
• M21: 24,614,684 km (0.072 R)
• M22: 25,388,404 km (0.12 R)
• M23: 27,393,315 km (0.092 R)
• M24: 27,806,654 km (0.105 R)
• M25: 30,044,937 km (0.101 R)
• M26: 31,829,041 km (0.042 R)
• M27: 37,097,130 km (0.104 R)
• M28: 37,730,229 km (0.091 R)
• M29: 37,985,443 km (0.114 R)
• M30: 38,241,853 km (0.119 R)
• M31: 39,148,416 km (0.1 R)
• M32: 42,502,849 km (0.078 R)
• M33: 54,030,263 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 625.4

Radius: 7.1

Gravity: 12.41 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 9.6 AU - 11.64 AU

Year: 22346 Days

Day: 15.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 79,479,888 km

• M1: 89,759 km (0.115 R)
• M2: 438,471 km (0.09 R)
• M3: 1,389,315 km (0.095 R)
• M4: 2,296,776 km (0.095 R)
• M5: 4,077,140 km (0.114 R)
• M6: 6,897,359 km (0.101 R)
• M7: 8,330,956 km (0.07 R)
• M8: 12,728,984 km (0.115 R)
• M9: 13,153,542 km (0.112 R)
• M10: 13,881,934 km (0.118 R)
• M11: 17,236,816 km (0.104 R)
• M12: 17,495,471 km (0.054 R)
• M13: 20,802,930 km (0.085 R)
• M14: 21,891,255 km (0.083 R)
• M15: 28,263,975 km (0.103 R)
• M16: 29,352,149 km (0.075 R)
• M17: 30,342,637 km (0.077 R)
• M18: 30,846,183 km (0.092 R)
• M19: 32,521,231 km (0.045 R)
• M20: 34,255,968 km (0.091 R)
• M21: 36,758,441 km (0.108 R)
• M22: 43,542,704 km (0.09 R)
• M23: 47,649,914 km (0.078 R)
• M24: 53,457,004 km (0.1 R)
• M25: 60,707,863 km (0.069 R)
• M26: 63,331,511 km (0.082 R)
• M27: 72,322,941 km (0.067 R)
• M28: 75,960,563 km (0.084 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 11,366 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit