🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.81 AU - 1.05 AU

Year: 331 Days

Day: 16.7 Hours

Environment

Temp: 39 °C

Axial Tilt: 39.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 67,514,131 km

• M1: 452,982 km (0.05 R)
• M2: 617,989 km (0.047 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.75 AU - 2.31 AU

Year: 1067 Days

Day: 42.8 Hours

Environment

Temp: -81 °C

Axial Tilt: 6.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,514,131 km

• M1: 48,769 km (0.096 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.14 AU - 3.24 AU

Year: 1628 Days

Day: 23.5 Hours

Environment

Temp: -101 °C

Axial Tilt: 43.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,514,131 km

• M1: 390,301 km (0.063 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.68 AU - 2.7 AU

Year: 1628 Days

Day: 39.6 Hours

Environment

Temp: -89 °C

Axial Tilt: 11.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.3 AU - 3.52 AU

Year: 1832 Days

Day: 32.4 Hours

Environment

Temp: -105 °C

Axial Tilt: 49 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.73 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.9

Radius: 14.9

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 5.19 AU - 7.89 AU

Year: 6171 Days

Day: 6.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,514,131 km

• M1: 185,352 km (0.104 R)
• M2: 939,026 km (0.072 R)
• M3: 1,713,045 km (0.106 R)
• M4: 3,077,378 km (0.098 R)
• M5: 4,118,429 km (0.114 R)
• M6: 4,631,849 km (0.052 R)
• M7: 5,133,301 km (0.115 R)
• M8: 5,908,817 km (0.113 R)
• M9: 6,761,225 km (0.079 R)
• M10: 7,949,930 km (0.109 R)
• M11: 8,439,863 km (0.106 R)
• M12: 9,151,500 km (0.071 R)
• M13: 10,382,242 km (0.11 R)
• M14: 12,658,224 km (0.074 R)
• M15: 15,192,561 km (0.116 R)
• M16: 16,367,503 km (0.065 R)
• M17: 17,101,131 km (0.104 R)
• M18: 19,569,795 km (0.1 R)
• M19: 20,747,878 km (0.114 R)
• M20: 24,645,501 km (0.119 R)
• M21: 25,204,997 km (0.064 R)
• M22: 25,854,850 km (0.105 R)
• M23: 29,006,878 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.7

Radius: 8.5

Gravity: 13.77 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 6.2 AU - 8.9 AU

Year: 7654 Days

Day: 12 Hours

Environment

Temp: -168 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 67,514,131 km

• M1: 111,002 km (0.076 R)
• M2: 678,875 km (0.036 R)
• M3: 1,100,442 km (0.102 R)
• M4: 1,378,694 km (0.077 R)
• M5: 1,719,328 km (0.081 R)
• M6: 2,273,140 km (0.034 R)
• M7: 2,572,485 km (0.054 R)
• M8: 3,511,062 km (0.096 R)
• M9: 4,931,344 km (0.057 R)
• M10: 5,404,073 km (0.11 R)
• M11: 5,735,882 km (0.118 R)
• M12: 6,550,891 km (0.106 R)
• M13: 8,321,830 km (0.108 R)
• M14: 8,720,060 km (0.065 R)
• M15: 9,602,538 km (0.062 R)
• M16: 10,189,859 km (0.113 R)
• M17: 11,115,421 km (0.085 R)
• M18: 11,762,881 km (0.11 R)
• M19: 12,839,088 km (0.099 R)
• M20: 13,673,245 km (0.084 R)
• M21: 15,916,017 km (0.096 R)
• M22: 18,097,902 km (0.059 R)
• M23: 19,145,685 km (0.114 R)
• M24: 19,684,537 km (0.089 R)
• M25: 22,025,145 km (0.106 R)
• M26: 23,655,612 km (0.073 R)
• M27: 26,202,665 km (0.07 R)
• M28: 29,739,010 km (0.117 R)
• M29: 30,670,406 km (0.089 R)
• M30: 31,408,073 km (0.062 R)
• M31: 35,160,586 km (0.03 R)
• M32: 37,263,334 km (0.056 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 704.6

Radius: 3.4

Gravity: 60.95 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 11.9 AU - 13.28 AU

Year: 16482 Days

Day: 23.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 67,514,131 km

• M1: 42,486 km (0.084 R)
• M2: 167,849 km (0.093 R)
• M3: 574,007 km (0.082 R)
• M4: 1,134,999 km (0.096 R)
• M5: 1,355,656 km (0.105 R)
• M6: 1,900,641 km (0.104 R)
• M7: 3,216,504 km (0.088 R)
• M8: 3,571,948 km (0.113 R)
• M9: 4,044,678 km (0.112 R)
• M10: 4,392,941 km (0.08 R)
• M11: 5,750,692 km (0.109 R)
• M12: 6,524,412 km (0.104 R)
• M13: 7,739,745 km (0.083 R)
• M14: 8,425,801 km (0.094 R)
• M15: 11,954,964 km (0.097 R)
• M16: 14,183,374 km (0.071 R)
• M17: 14,689,165 km (0.081 R)
• M18: 14,909,672 km (0.058 R)
• M19: 15,281,871 km (0.116 R)
• M20: 22,303,846 km (0.064 R)
• M21: 23,185,127 km (0.115 R)
• M22: 24,089,296 km (0.104 R)
• M23: 24,293,348 km (0.11 R)
• M24: 27,717,344 km (0.092 R)
• M25: 28,735,357 km (0.111 R)
• M26: 29,195,670 km (0.101 R)
• M27: 33,308,564 km (0.069 R)
• M28: 42,958,225 km (0.1 R)
• M29: 44,626,092 km (0.089 R)
• M30: 46,022,439 km (0.077 R)
• M31: 47,768,395 km (0.101 R)
• M32: 50,552,561 km (0.102 R)
• M33: 52,239,876 km (0.079 R)
• M34: 57,344,604 km (0.079 R)
• M35: 65,708,770 km (0.089 R)
• M36: 66,107,149 km (0.043 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 15,595 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit