🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.6 AU - 0.78 AU

Year: 211 Days

Day: 35 Hours

Environment

Temp: 157 °C

Axial Tilt: 4.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 89,268,741 km

• M1: 370,255 km (0.047 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.85 AU - 1.16 AU

Year: 369 Days

Day: 25.2 Hours

Environment

Temp: 17 °C

Axial Tilt: 36 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 89,268,741 km

• M1: 53,107 km (0.073 R)

Asteroid Belt

Center: 1.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.35 AU - 1.73 AU

Year: 705 Days

Day: 20.6 Hours

Environment

Temp: -36 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.8

Radius: 14.9

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.35 AU - 5.43 AU

Year: 3990 Days

Day: 13.5 Hours

Environment

Temp: -133 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 89,268,741 km

• M1: 185,352 km (0.113 R)
• M2: 660,923 km (0.099 R)
• M3: 1,392,307 km (0.112 R)
• M4: 1,923,230 km (0.113 R)
• M5: 2,721,933 km (0.077 R)
• M6: 3,429,980 km (0.097 R)
• M7: 4,515,911 km (0.087 R)
• M8: 5,113,554 km (0.114 R)
• M9: 5,906,124 km (0.116 R)
• M10: 7,002,826 km (0.086 R)
• M11: 7,600,170 km (0.093 R)
• M12: 8,449,437 km (0.093 R)
• M13: 11,025,961 km (0.042 R)
• M14: 12,162,157 km (0.083 R)
• M15: 12,880,526 km (0.07 R)
• M16: 15,481,884 km (0.064 R)
• M17: 19,236,042 km (0.11 R)
• M18: 20,080,223 km (0.077 R)
• M19: 21,842,785 km (0.05 R)
• M20: 26,617,800 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830

Radius: 8.5

Gravity: 11.49 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.36 AU - 5.46 AU

Year: 4014 Days

Day: 7.5 Hours

Environment

Temp: -131 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 89,268,741 km

• M1: 105,915 km (0.095 R)
• M2: 373,396 km (0.1 R)
• M3: 700,866 km (0.065 R)
• M4: 1,463,815 km (0.092 R)
• M5: 2,071,332 km (0.111 R)
• M6: 2,497,836 km (0.061 R)
• M7: 3,188,529 km (0.034 R)
• M8: 3,823,722 km (0.058 R)
• M9: 4,183,355 km (0.086 R)
• M10: 4,565,428 km (0.109 R)
• M11: 5,344,683 km (0.113 R)
• M12: 6,270,544 km (0.109 R)
• M13: 7,890,240 km (0.097 R)
• M14: 10,020,514 km (0.099 R)
• M15: 12,075,091 km (0.098 R)
• M16: 12,362,469 km (0.086 R)
• M17: 13,972,292 km (0.116 R)
• M18: 15,157,107 km (0.036 R)
• M19: 15,435,508 km (0.085 R)
• M20: 18,410,412 km (0.108 R)
• M21: 18,791,288 km (0.119 R)
• M22: 19,437,850 km (0.086 R)
• M23: 23,632,275 km (0.101 R)
• M24: 27,311,934 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.2

Radius: 9.4

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 9.46 AU - 14.28 AU

Year: 15089 Days

Day: 10.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 89,268,741 km

• M1: 134,788 km (0.075 R)
• M2: 717,023 km (0.116 R)
• M3: 1,014,274 km (0.104 R)
• M4: 1,424,022 km (0.096 R)
• M5: 1,724,564 km (0.072 R)
• M6: 2,457,295 km (0.083 R)
• M7: 3,012,452 km (0.097 R)
• M8: 4,818,248 km (0.099 R)
• M9: 5,223,808 km (0.078 R)
• M10: 6,538,923 km (0.107 R)
• M11: 11,028,505 km (0.046 R)
• M12: 11,855,482 km (0.081 R)
• M13: 16,319,033 km (0.053 R)
• M14: 21,700,069 km (0.094 R)
• M15: 22,065,387 km (0.043 R)
• M16: 31,527,751 km (0.11 R)
• M17: 35,032,680 km (0.077 R)
• M18: 38,255,766 km (0.076 R)
• M19: 39,462,871 km (0.117 R)
• M20: 39,870,824 km (0.101 R)
• M21: 51,330,769 km (0.056 R)
• M22: 53,294,092 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 83.9

Radius: 4.4

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 13.07 AU - 17.53 AU

Year: 22081 Days

Day: 16.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 89,268,741 km

• M1: 85,121 km (0.099 R)
• M2: 331,210 km (0.075 R)
• M3: 551,567 km (0.067 R)
• M4: 839,394 km (0.119 R)
• M5: 1,351,018 km (0.077 R)
• M6: 1,827,787 km (0.103 R)
• M7: 2,146,580 km (0.116 R)
• M8: 3,304,617 km (0.114 R)
• M9: 3,703,445 km (0.091 R)
• M10: 5,123,727 km (0.091 R)
• M11: 12,070,155 km (0.089 R)
• M12: 15,479,640 km (0.105 R)
• M13: 17,610,512 km (0.097 R)
• M14: 25,249,428 km (0.114 R)
• M15: 29,342,725 km (0.106 R)
• M16: 29,933,038 km (0.105 R)
• M17: 37,993,970 km (0.049 R)
• M18: 39,404,827 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 867.8

Radius: 3.8

Gravity: 60.1 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 13.4 AU - 17.66 AU

Year: 22581 Days

Day: 20.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 89,268,741 km

• M1: 47,273 km (0.059 R)
• M2: 1,036,713 km (0.08 R)
• M3: 1,375,552 km (0.107 R)
• M4: 1,984,865 km (0.116 R)
• M5: 2,178,594 km (0.113 R)
• M6: 2,456,247 km (0.119 R)
• M7: 3,224,582 km (0.052 R)
• M8: 3,553,997 km (0.058 R)
• M9: 4,314,851 km (0.071 R)
• M10: 4,789,974 km (0.081 R)
• M11: 5,138,836 km (0.1 R)
• M12: 5,462,865 km (0.102 R)
• M13: 7,042,469 km (0.055 R)
• M14: 8,845,423 km (0.03 R)
• M15: 10,868,734 km (0.103 R)
• M16: 11,469,818 km (0.097 R)
• M17: 12,884,266 km (0.096 R)
• M18: 14,096,458 km (0.094 R)
• M19: 15,632,229 km (0.082 R)
• M20: 16,225,086 km (0.089 R)
• M21: 20,902,263 km (0.042 R)
• M22: 23,988,617 km (0.096 R)
• M23: 28,724,736 km (0.07 R)
• M24: 29,230,078 km (0.119 R)
• M25: 29,999,160 km (0.059 R)
• M26: 32,660,058 km (0.082 R)
• M27: 33,210,428 km (0.09 R)
• M28: 35,764,064 km (0.1 R)
• M29: 37,838,388 km (0.074 R)
• M30: 38,445,456 km (0.077 R)
• M31: 39,058,957 km (0.056 R)
• M32: 39,835,071 km (0.103 R)
• M33: 40,148,329 km (0.067 R)
• M34: 40,621,357 km (0.05 R)
• M35: 41,417,966 km (0.102 R)
• M36: 42,877,891 km (0.069 R)
• M37: 56,599,457 km (0.043 R)
• M38: 58,799,892 km (0.056 R)
• M39: 69,296,576 km (0.066 R)
• M40: 72,509,938 km (0.113 R)
• M41: 78,492,357 km (0.092 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 11,271 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit