🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.94 AU - 1.04 AU

Year: 343 Days

Day: 40.2 Hours

Environment

Temp: 155 °C

Axial Tilt: 34.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 86,851,555 km

• M1: 142,417 km (0.096 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.01 AU - 1.29 AU

Year: 429 Days

Day: 45.1 Hours

Environment

Temp: 22 °C

Axial Tilt: 3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.69 AU - 2.17 AU

Year: 934 Days

Day: 35.7 Hours

Environment

Temp: -36 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 11.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.4

Radius: 14.2

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 9.62 AU - 12.54 AU

Year: 12844 Days

Day: 12.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,851,555 km

• M1: 230,830 km (0.026 R)
• M2: 949,348 km (0.118 R)
• M3: 1,589,777 km (0.033 R)
• M4: 2,615,569 km (0.116 R)
• M5: 4,491,526 km (0.1 R)
• M6: 6,110,624 km (0.095 R)
• M7: 7,575,935 km (0.099 R)
• M8: 14,371,568 km (0.118 R)
• M9: 16,194,568 km (0.116 R)
• M10: 17,492,629 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 829.2

Radius: 7.4

Gravity: 15.14 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 15.47 AU - 16.87 AU

Year: 22644 Days

Day: 15.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 86,851,555 km

• M1: 95,443 km (0.077 R)
• M2: 413,489 km (0.116 R)
• M3: 1,234,033 km (0.102 R)
• M4: 2,688,274 km (0.067 R)
• M5: 3,459,900 km (0.089 R)
• M6: 7,285,566 km (0.084 R)
• M7: 8,057,491 km (0.043 R)
• M8: 11,425,089 km (0.113 R)
• M9: 12,680,664 km (0.097 R)
• M10: 17,172,938 km (0.084 R)
• M11: 24,594,788 km (0.105 R)
• M12: 27,155,604 km (0.089 R)
• M13: 31,190,109 km (0.102 R)
• M14: 34,748,743 km (0.083 R)
• M15: 37,365,060 km (0.115 R)
• M16: 38,417,032 km (0.115 R)
• M17: 42,660,077 km (0.12 R)
• M18: 43,643,683 km (0.054 R)
• M19: 51,139,434 km (0.106 R)
• M20: 52,997,738 km (0.058 R)
• M21: 58,640,869 km (0.103 R)
• M22: 62,757,653 km (0.108 R)
• M23: 70,418,560 km (0.064 R)
• M24: 80,157,681 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 334.5

Radius: 7.2

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 14.56 AU - 18.5 AU

Year: 23405 Days

Day: 15.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,851,555 km

• M1: 178,021 km (0.094 R)
• M2: 605,273 km (0.088 R)
• M3: 1,031,328 km (0.095 R)
• M4: 1,441,525 km (0.102 R)
• M5: 3,851,996 km (0.104 R)
• M6: 5,299,355 km (0.077 R)
• M7: 5,866,480 km (0.095 R)
• M8: 6,988,465 km (0.058 R)
• M9: 10,728,112 km (0.09 R)
• M10: 11,821,673 km (0.107 R)
• M11: 16,002,933 km (0.092 R)
• M12: 17,345,873 km (0.115 R)
• M13: 21,918,482 km (0.116 R)
• M14: 22,204,513 km (0.092 R)
• M15: 23,472,504 km (0.062 R)
• M16: 37,266,026 km (0.03 R)
• M17: 43,245,453 km (0.115 R)
• M18: 46,933,789 km (0.048 R)
• M19: 56,522,863 km (0.073 R)
• M20: 66,339,026 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 20.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 418.8

Radius: 6.4

Gravity: 10.22 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 17.21 AU - 23.71 AU

Year: 32229 Days

Day: 22.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 86,851,555 km

• M1: 79,586 km (0.079 R)
• M2: 292,913 km (0.111 R)
• M3: 659,577 km (0.092 R)
• M4: 1,260,212 km (0.105 R)
• M5: 1,567,486 km (0.1 R)
• M6: 1,786,647 km (0.06 R)
• M7: 3,152,177 km (0.095 R)
• M8: 5,670,657 km (0.103 R)
• M9: 6,372,570 km (0.097 R)
• M10: 7,279,283 km (0.079 R)
• M11: 8,000,494 km (0.067 R)
• M12: 11,165,237 km (0.109 R)
• M13: 11,433,466 km (0.103 R)
• M14: 11,913,077 km (0.112 R)
• M15: 14,515,033 km (0.112 R)
• M16: 17,652,998 km (0.105 R)
• M17: 18,479,526 km (0.086 R)
• M18: 19,621,257 km (0.107 R)
• M19: 20,209,476 km (0.069 R)
• M20: 33,457,713 km (0.05 R)
• M21: 33,735,965 km (0.099 R)
• M22: 44,977,497 km (0.089 R)
• M23: 51,525,247 km (0.094 R)
• M24: 53,208,821 km (0.095 R)
• M25: 54,159,815 km (0.078 R)
• M26: 58,882,769 km (0.104 R)
• M27: 63,659,429 km (0.044 R)
• M28: 64,730,999 km (0.112 R)
• M29: 73,036,972 km (0.038 R)
• M30: 79,527,425 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 20.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 392.3

Radius: 4

Gravity: 24.52 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 19.99 AU - 20.93 AU

Year: 32229 Days

Day: 19.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 86,851,555 km

• M1: 49,816 km (0.06 R)
• M2: 223,350 km (0.119 R)
• M3: 392,096 km (0.054 R)
• M4: 673,789 km (0.1 R)
• M5: 876,793 km (0.106 R)
• M6: 1,038,508 km (0.074 R)
• M7: 1,249,741 km (0.086 R)
• M8: 1,855,014 km (0.08 R)
• M9: 2,080,308 km (0.081 R)
• M10: 3,491,614 km (0.098 R)
• M11: 3,676,517 km (0.108 R)
• M12: 4,167,497 km (0.106 R)
• M13: 4,663,863 km (0.054 R)
• M14: 6,253,789 km (0.105 R)
• M15: 7,698,755 km (0.091 R)
• M16: 7,854,636 km (0.071 R)
• M17: 12,972,529 km (0.106 R)
• M18: 14,570,384 km (0.116 R)
• M19: 15,293,540 km (0.088 R)
• M20: 15,539,778 km (0.062 R)
• M21: 17,606,473 km (0.056 R)
• M22: 18,150,410 km (0.088 R)
• M23: 20,637,176 km (0.095 R)
• M24: 22,485,757 km (0.099 R)
• M25: 32,854,984 km (0.034 R)
• M26: 38,153,591 km (0.075 R)
• M27: 41,400,313 km (0.06 R)
• M28: 42,846,476 km (0.1 R)
• M29: 43,829,035 km (0.087 R)
• M30: 43,994,191 km (0.117 R)
• M31: 47,734,586 km (0.106 R)
• M32: 48,967,721 km (0.089 R)
• M33: 50,402,963 km (0.082 R)
• M34: 55,646,668 km (0.079 R)
• M35: 60,012,981 km (0.091 R)
• M36: 61,036,230 km (0.086 R)
• M37: 71,229,530 km (0.085 R)
• M38: 74,706,783 km (0.116 R)
• M39: 80,255,518 km (0.063 R)
• M40: 80,750,687 km (0.09 R)

Kuiper Belt

Range: 31.5 - 60.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 496 - 11,972 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit