🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.85 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 3.12 AU - 4.28 AU

Year: 2626 Days

Day: 35.8 Hours

Environment

Temp: -127 °C

Axial Tilt: 23.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,089,643 km

• M1: 738,714 km (0.091 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.65 AU - 4.29 AU

Year: 2919 Days

Day: 30.8 Hours

Environment

Temp: -130 °C

Axial Tilt: 18.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.99 AU - 5.13 AU

Year: 3593 Days

Day: 43 Hours

Environment

Temp: -129 °C

Axial Tilt: 43.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,089,643 km

• M1: 53,706 km (0.109 R)

Asteroid Belt

Center: 4.86 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.3

Radius: 10.3

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 4.97 AU - 5.33 AU

Year: 4312 Days

Day: 11.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,089,643 km

• M1: 132,843 km (0.093 R)
• M2: 454,478 km (0.119 R)
• M3: 777,460 km (0.098 R)
• M4: 1,205,908 km (0.103 R)
• M5: 1,561,503 km (0.066 R)
• M6: 2,259,227 km (0.12 R)
• M7: 2,878,712 km (0.065 R)
• M8: 3,345,607 km (0.079 R)
• M9: 4,576,797 km (0.029 R)
• M10: 5,911,509 km (0.097 R)
• M11: 7,524,025 km (0.115 R)
• M12: 8,157,572 km (0.095 R)
• M13: 10,400,642 km (0.116 R)
• M14: 14,044,846 km (0.096 R)
• M15: 16,238,400 km (0.054 R)
• M16: 16,586,066 km (0.079 R)
• M17: 17,416,782 km (0.077 R)
• M18: 18,588,134 km (0.063 R)
• M19: 19,484,375 km (0.077 R)
• M20: 20,075,436 km (0.1 R)
• M21: 21,087,316 km (0.106 R)
• M22: 22,993,642 km (0.118 R)
• M23: 24,176,213 km (0.118 R)
• M24: 25,946,404 km (0.104 R)
• M25: 26,501,861 km (0.059 R)
• M26: 26,822,749 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303

Radius: 10.1

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.54 AU - 6.08 AU

Year: 4515 Days

Day: 7.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,089,643 km

• M1: 127,757 km (0.049 R)
• M2: 447,597 km (0.11 R)
• M3: 1,675,047 km (0.099 R)
• M4: 2,701,588 km (0.067 R)
• M5: 3,130,036 km (0.073 R)
• M6: 4,020,592 km (0.098 R)
• M7: 4,999,561 km (0.069 R)
• M8: 5,885,928 km (0.096 R)
• M9: 6,814,632 km (0.042 R)
• M10: 7,175,611 km (0.089 R)
• M11: 7,644,750 km (0.082 R)
• M12: 7,968,779 km (0.106 R)
• M13: 9,654,299 km (0.05 R)
• M14: 9,994,933 km (0.102 R)
• M15: 12,520,743 km (0.066 R)
• M16: 13,155,487 km (0.113 R)
• M17: 13,669,057 km (0.074 R)
• M18: 18,330,077 km (0.099 R)
• M19: 18,853,371 km (0.094 R)
• M20: 20,174,918 km (0.109 R)
• M21: 20,670,387 km (0.045 R)
• M22: 21,364,970 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.5

Radius: 12.9

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 7.08 AU - 8.14 AU

Year: 7746 Days

Day: 13.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 174.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,089,643 km

• M1: 224,995 km (0.111 R)
• M2: 973,583 km (0.052 R)
• M3: 1,404,874 km (0.084 R)
• M4: 2,403,290 km (0.11 R)
• M5: 3,688,784 km (0.103 R)
• M6: 4,185,300 km (0.048 R)
• M7: 4,797,155 km (0.105 R)
• M8: 7,598,973 km (0.106 R)
• M9: 9,803,597 km (0.083 R)
• M10: 11,520,981 km (0.074 R)
• M11: 12,588,062 km (0.077 R)
• M12: 14,161,682 km (0.085 R)
• M13: 17,239,359 km (0.114 R)
• M14: 21,582,634 km (0.056 R)
• M15: 22,926,771 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.2

Radius: 13.3

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 7.67 AU - 11.45 AU

Year: 10906 Days

Day: 6.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,089,643 km

• M1: 193,280 km (0.056 R)
• M2: 633,098 km (0.118 R)
• M3: 1,049,279 km (0.105 R)
• M4: 2,336,569 km (0.088 R)
• M5: 2,750,955 km (0.062 R)
• M6: 3,214,858 km (0.032 R)
• M7: 4,581,734 km (0.106 R)
• M8: 7,159,006 km (0.087 R)
• M9: 8,342,774 km (0.099 R)
• M10: 10,382,541 km (0.098 R)
• M11: 11,253,500 km (0.103 R)
• M12: 12,966,395 km (0.101 R)
• M13: 15,952,818 km (0.082 R)
• M14: 18,036,866 km (0.107 R)
• M15: 19,295,283 km (0.093 R)
• M16: 21,009,675 km (0.106 R)
• M17: 23,250,202 km (0.113 R)
• M18: 23,681,941 km (0.104 R)
• M19: 25,190,037 km (0.042 R)
• M20: 26,950,356 km (0.031 R)
• M21: 36,184,434 km (0.087 R)
• M22: 37,706,143 km (0.074 R)
• M23: 40,627,042 km (0.034 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 160 - 17,063 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit