🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.67 AU - 0.89 AU

Year: 291 Days

Day: 21.4 Hours

Environment

Temp: 2 °C

Axial Tilt: 41.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.64 AU - 1 AU

Year: 313 Days

Day: 41.6 Hours

Environment

Temp: -1 °C

Axial Tilt: 15.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 74,785,917 km

• M1: 50,265 km (0.114 R)
• M2: 596,148 km (0.101 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.24 AU - 3.56 AU

Year: 2083 Days

Day: 29.1 Hours

Environment

Temp: -131 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,785,917 km

• M1: 36,801 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.5

Radius: 8.3

Gravity: 8.8 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 4.34 AU - 4.78 AU

Year: 4107 Days

Day: 14.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 74,785,917 km

• M1: 103,223 km (0.104 R)
• M2: 1,170,603 km (0.108 R)
• M3: 1,582,596 km (0.085 R)
• M4: 1,979,629 km (0.119 R)
• M5: 3,064,662 km (0.05 R)
• M6: 3,502,535 km (0.087 R)
• M7: 4,091,352 km (0.055 R)
• M8: 5,096,201 km (0.049 R)
• M9: 5,438,182 km (0.063 R)
• M10: 6,081,153 km (0.109 R)
• M11: 6,527,105 km (0.095 R)
• M12: 6,899,454 km (0.062 R)
• M13: 7,857,927 km (0.097 R)
• M14: 8,172,681 km (0.051 R)
• M15: 8,459,610 km (0.116 R)
• M16: 9,129,808 km (0.115 R)
• M17: 9,635,449 km (0.072 R)
• M18: 11,003,223 km (0.058 R)
• M19: 12,214,965 km (0.113 R)
• M20: 13,266,190 km (0.111 R)
• M21: 15,988,871 km (0.031 R)
• M22: 16,325,316 km (0.075 R)
• M23: 17,245,493 km (0.072 R)
• M24: 18,382,586 km (0.108 R)
• M25: 18,690,010 km (0.117 R)
• M26: 19,825,159 km (0.112 R)
• M27: 20,213,515 km (0.026 R)
• M28: 20,739,202 km (0.086 R)
• M29: 22,441,027 km (0.091 R)
• M30: 23,147,129 km (0.104 R)
• M31: 25,203,052 km (0.046 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.8

Radius: 13.8

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 4.34 AU - 5.5 AU

Year: 4603 Days

Day: 8.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,785,917 km

• M1: 171,738 km (0.096 R)
• M2: 615,894 km (0.079 R)
• M3: 1,201,271 km (0.057 R)
• M4: 2,932,118 km (0.114 R)
• M5: 3,568,208 km (0.102 R)
• M6: 4,474,921 km (0.062 R)
• M7: 6,331,281 km (0.027 R)
• M8: 6,958,695 km (0.104 R)
• M9: 8,479,058 km (0.091 R)
• M10: 9,167,956 km (0.047 R)
• M11: 9,622,135 km (0.1 R)
• M12: 10,493,991 km (0.033 R)
• M13: 12,349,603 km (0.072 R)
• M14: 13,572,865 km (0.119 R)
• M15: 14,114,110 km (0.09 R)
• M16: 14,875,414 km (0.117 R)
• M17: 16,983,248 km (0.071 R)
• M18: 18,256,625 km (0.077 R)
• M19: 18,856,064 km (0.095 R)
• M20: 19,842,512 km (0.087 R)
• M21: 21,784,442 km (0.077 R)
• M22: 22,801,707 km (0.054 R)
• M23: 23,287,003 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.8

Radius: 10.1

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 4.4 AU - 6 AU

Year: 5001 Days

Day: 14.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,785,917 km

• M1: 127,607 km (0.094 R)
• M2: 742,604 km (0.03 R)
• M3: 1,116,150 km (0.067 R)
• M4: 1,509,891 km (0.093 R)
• M5: 2,215,694 km (0.049 R)
• M6: 2,635,765 km (0.107 R)
• M7: 3,616,229 km (0.066 R)
• M8: 4,038,245 km (0.086 R)
• M9: 5,170,402 km (0.118 R)
• M10: 5,707,458 km (0.113 R)
• M11: 6,375,263 km (0.091 R)
• M12: 7,094,529 km (0.057 R)
• M13: 7,866,903 km (0.111 R)
• M14: 8,578,092 km (0.104 R)
• M15: 10,128,823 km (0.095 R)
• M16: 10,521,817 km (0.056 R)
• M17: 11,338,621 km (0.086 R)
• M18: 14,097,206 km (0.088 R)
• M19: 14,642,939 km (0.082 R)
• M20: 15,660,803 km (0.116 R)
• M21: 19,730,463 km (0.069 R)
• M22: 26,293,322 km (0.06 R)
• M23: 29,795,109 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.4

Radius: 12

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 8.06 AU - 8.92 AU

Year: 10433 Days

Day: 9.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,785,917 km

• M1: 149,299 km (0.077 R)
• M2: 677,529 km (0.108 R)
• M3: 1,130,810 km (0.116 R)
• M4: 1,579,903 km (0.032 R)
• M5: 2,066,395 km (0.095 R)
• M6: 2,613,774 km (0.1 R)
• M7: 3,438,956 km (0.102 R)
• M8: 3,849,752 km (0.103 R)
• M9: 5,441,922 km (0.072 R)
• M10: 6,071,130 km (0.116 R)
• M11: 7,048,154 km (0.109 R)
• M12: 7,435,762 km (0.09 R)
• M13: 9,405,667 km (0.092 R)
• M14: 10,762,968 km (0.119 R)
• M15: 12,357,831 km (0.119 R)
• M16: 14,535,228 km (0.072 R)
• M17: 16,277,894 km (0.103 R)
• M18: 20,642,262 km (0.056 R)
• M19: 25,639,579 km (0.042 R)
• M20: 30,461,567 km (0.1 R)
• M21: 33,627,657 km (0.071 R)
• M22: 35,856,515 km (0.092 R)
• M23: 36,890,835 km (0.075 R)
• M24: 38,063,383 km (0.066 R)
• M25: 39,019,164 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 727.7

Radius: 3.1

Gravity: 75.72 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 10.63 AU - 14.61 AU

Year: 18908 Days

Day: 22.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 74,785,917 km

• M1: 38,596 km (0.118 R)
• M2: 155,283 km (0.116 R)
• M3: 311,612 km (0.09 R)
• M4: 936,183 km (0.077 R)
• M5: 1,610,122 km (0.115 R)
• M6: 1,861,596 km (0.099 R)
• M7: 1,977,085 km (0.067 R)
• M8: 2,330,585 km (0.112 R)
• M9: 2,628,285 km (0.033 R)
• M10: 4,237,958 km (0.12 R)
• M11: 4,337,441 km (0.113 R)
• M12: 4,967,397 km (0.115 R)
• M13: 5,077,950 km (0.1 R)
• M14: 5,655,996 km (0.119 R)
• M15: 6,319,463 km (0.066 R)
• M16: 7,266,866 km (0.09 R)
• M17: 7,898,468 km (0.077 R)
• M18: 8,778,702 km (0.052 R)
• M19: 8,886,413 km (0.106 R)
• M20: 8,995,021 km (0.114 R)
• M21: 11,613,432 km (0.11 R)
• M22: 14,027,493 km (0.056 R)
• M23: 14,397,449 km (0.077 R)
• M24: 14,773,987 km (0.115 R)
• M25: 14,926,427 km (0.082 R)
• M26: 16,183,946 km (0.088 R)
• M27: 16,673,131 km (0.077 R)
• M28: 25,239,854 km (0.058 R)
• M29: 26,904,728 km (0.113 R)
• M30: 27,018,123 km (0.098 R)
• M31: 28,641,111 km (0.112 R)
• M32: 30,327,976 km (0.069 R)
• M33: 36,473,606 km (0.045 R)
• M34: 36,891,882 km (0.099 R)
• M35: 37,454,520 km (0.105 R)
• M36: 40,801,174 km (0.092 R)
• M37: 55,810,777 km (0.104 R)
• M38: 57,864,606 km (0.055 R)
• M39: 60,162,130 km (0.04 R)
• M40: 61,530,053 km (0.04 R)
• M41: 64,530,687 km (0.101 R)
• M42: 67,417,926 km (0.115 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 16,519 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit