🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.51 AU - 0.59 AU

Year: 150 Days

Day: 18.3 Hours

Environment

Temp: 152 °C

Axial Tilt: 74.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 0.91 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.99 AU - 1.55 AU

Year: 525 Days

Day: 42.3 Hours

Environment

Temp: 3 °C

Axial Tilt: 21.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.69 AU - 5.19 AU

Year: 3434 Days

Day: 38 Hours

Environment

Temp: -126 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.8 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: 814.1

Radius: 14.9

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 4.36 AU - 5.94 AU

Year: 4290 Days

Day: 7.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,154,660 km

• M1: 185,501 km (0.112 R)
• M2: 678,127 km (0.087 R)
• M3: 2,514,890 km (0.087 R)
• M4: 3,319,427 km (0.12 R)
• M5: 4,985,648 km (0.094 R)
• M6: 7,292,597 km (0.051 R)
• M7: 7,921,357 km (0.071 R)
• M8: 8,586,170 km (0.112 R)
• M9: 9,449,200 km (0.096 R)
• M10: 11,579,474 km (0.101 R)
• M11: 12,584,322 km (0.12 R)
• M12: 16,534,155 km (0.069 R)
• M13: 17,746,197 km (0.09 R)
• M14: 21,314,705 km (0.085 R)
• M15: 22,749,947 km (0.089 R)
• M16: 27,028,745 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527

Radius: 11.1

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 6.42 AU - 6.66 AU

Year: 6140 Days

Day: 7.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,154,660 km

• M1: 138,079 km (0.12 R)
• M2: 488,287 km (0.101 R)
• M3: 1,898,846 km (0.062 R)
• M4: 2,614,672 km (0.095 R)
• M5: 3,172,821 km (0.079 R)
• M6: 4,158,222 km (0.054 R)
• M7: 4,787,880 km (0.109 R)
• M8: 5,596,905 km (0.053 R)
• M9: 6,592,928 km (0.103 R)
• M10: 7,378,915 km (0.113 R)
• M11: 8,112,244 km (0.075 R)
• M12: 9,767,095 km (0.099 R)
• M13: 11,019,678 km (0.111 R)
• M14: 11,684,790 km (0.054 R)
• M15: 12,275,852 km (0.098 R)
• M16: 13,042,840 km (0.03 R)
• M17: 15,244,322 km (0.083 R)
• M18: 19,812,892 km (0.099 R)
• M19: 31,632,619 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.6

Radius: 11.7

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 7.7 AU - 9.42 AU

Year: 9194 Days

Day: 10.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 43,154,660 km

• M1: 145,559 km (0.048 R)
• M2: 512,373 km (0.119 R)
• M3: 970,741 km (0.043 R)
• M4: 1,516,025 km (0.106 R)
• M5: 2,025,555 km (0.113 R)
• M6: 2,909,828 km (0.088 R)
• M7: 4,248,729 km (0.105 R)
• M8: 5,399,586 km (0.089 R)
• M9: 6,710,512 km (0.08 R)
• M10: 7,641,459 km (0.116 R)
• M11: 8,394,685 km (0.108 R)
• M12: 9,807,337 km (0.088 R)
• M13: 10,196,441 km (0.099 R)
• M14: 10,646,432 km (0.089 R)
• M15: 11,319,772 km (0.079 R)
• M16: 12,076,438 km (0.097 R)
• M17: 12,751,573 km (0.09 R)
• M18: 17,698,625 km (0.117 R)
• M19: 22,094,409 km (0.095 R)
• M20: 24,145,396 km (0.114 R)
• M21: 27,264,212 km (0.055 R)
• M22: 31,370,673 km (0.093 R)
• M23: 33,846,069 km (0.083 R)
• M24: 34,624,577 km (0.113 R)
• M25: 35,872,073 km (0.109 R)
• M26: 39,794,230 km (0.098 R)
• M27: 40,786,513 km (0.112 R)
• M28: 42,562,389 km (0.093 R)
• M29: 43,469,401 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.7

Radius: 12.4

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 9.49 AU - 13.07 AU

Year: 13907 Days

Day: 11.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,154,660 km

• M1: 154,535 km (0.093 R)
• M2: 670,946 km (0.108 R)
• M3: 1,345,633 km (0.085 R)
• M4: 1,914,105 km (0.072 R)
• M5: 2,385,488 km (0.118 R)
• M6: 4,759,905 km (0.106 R)
• M7: 5,299,355 km (0.114 R)
• M8: 7,920,758 km (0.107 R)
• M9: 10,554,429 km (0.103 R)
• M10: 16,396,375 km (0.099 R)
• M11: 19,160,346 km (0.11 R)
• M12: 23,101,502 km (0.045 R)
• M13: 27,754,295 km (0.082 R)
• M14: 43,050,677 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 117

Radius: 7.2

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 13.2 AU - 14.44 AU

Year: 18860 Days

Day: 20.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 78.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,154,660 km

• M1: 90,058 km (0.096 R)
• M2: 685,308 km (0.087 R)
• M3: 1,118,842 km (0.095 R)
• M4: 5,431,300 km (0.082 R)
• M5: 7,318,178 km (0.095 R)
• M6: 11,735,055 km (0.041 R)
• M7: 14,710,258 km (0.093 R)
• M8: 21,141,769 km (0.086 R)
• M9: 39,751,745 km (0.08 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 65.4

Radius: 6.6

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 12.27 AU - 17.59 AU

Year: 21177 Days

Day: 18.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,154,660 km

• M1: 593,006 km (0.067 R)
• M2: 4,427,499 km (0.104 R)
• M3: 5,601,692 km (0.103 R)
• M4: 11,871,937 km (0.088 R)
• M5: 16,219,551 km (0.105 R)
• M6: 17,719,269 km (0.11 R)
• M7: 20,248,670 km (0.111 R)
• M8: 20,469,626 km (0.071 R)
• M9: 22,769,843 km (0.119 R)
• M10: 27,604,547 km (0.101 R)
• M11: 33,593,997 km (0.104 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 85.5

Radius: 3.5

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 15.54 AU - 17.08 AU

Year: 24180 Days

Day: 21.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,154,660 km

• M1: 43,533 km (0.057 R)
• M2: 393,592 km (0.098 R)
• M3: 588,817 km (0.051 R)
• M4: 1,509,891 km (0.07 R)
• M5: 1,693,448 km (0.103 R)
• M6: 3,169,530 km (0.074 R)
• M7: 3,329,600 km (0.114 R)
• M8: 3,592,144 km (0.096 R)
• M9: 3,868,152 km (0.108 R)
• M10: 4,462,504 km (0.107 R)
• M11: 5,796,020 km (0.066 R)
• M12: 5,932,154 km (0.085 R)
• M13: 6,105,239 km (0.104 R)
• M14: 6,353,422 km (0.067 R)
• M15: 7,099,466 km (0.043 R)
• M16: 8,630,301 km (0.044 R)
• M17: 11,719,796 km (0.117 R)
• M18: 11,937,611 km (0.071 R)
• M19: 13,243,451 km (0.032 R)
• M20: 15,669,928 km (0.11 R)
• M21: 19,648,633 km (0.064 R)
• M22: 24,075,533 km (0.097 R)
• M23: 31,471,502 km (0.041 R)
• M24: 32,961,048 km (0.106 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 267 - 14,954 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit