🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.12 AU - 1.14 AU

Year: 445 Days

Day: 30.4 Hours

Environment

Temp: 3 °C

Axial Tilt: 23.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.93 AU - 1.53 AU

Year: 506 Days

Day: 41.9 Hours

Environment

Temp: -0 °C

Axial Tilt: 8.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 91,865,000 km

• M1: 39,494 km (0.09 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.2 AU - 1.82 AU

Year: 688 Days

Day: 35 Hours

Environment

Temp: -50 °C

Axial Tilt: 27.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.8 AU - 2.2 AU

Year: 1049 Days

Day: 46.8 Hours

Environment

Temp: -73 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.65 AU - 3.13 AU

Year: 1822 Days

Day: 24.7 Hours

Environment

Temp: -106 °C

Axial Tilt: 18.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 91,865,000 km

• M1: 345,571 km (0.071 R)

Asteroid Belt

Center: 5.1 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.7

Radius: 13.1

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 6.55 AU - 8.07 AU

Year: 7330 Days

Day: 7.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 91,865,000 km

• M1: 163,062 km (0.085 R)
• M2: 605,722 km (0.114 R)
• M3: 1,188,106 km (0.096 R)
• M4: 2,026,602 km (0.059 R)
• M5: 2,621,703 km (0.077 R)
• M6: 3,931,282 km (0.099 R)
• M7: 5,688,160 km (0.059 R)
• M8: 7,704,739 km (0.098 R)
• M9: 9,868,672 km (0.116 R)
• M10: 10,533,485 km (0.09 R)
• M11: 13,630,909 km (0.107 R)
• M12: 14,362,742 km (0.099 R)
• M13: 15,955,211 km (0.087 R)
• M14: 17,555,759 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 798.9

Radius: 4.7

Gravity: 36.17 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 13.41 AU - 14.79 AU

Year: 19635 Days

Day: 20 Hours

Environment

Temp: -185 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 91,865,000 km

• M1: 58,493 km (0.117 R)
• M2: 319,990 km (0.053 R)
• M3: 550,969 km (0.073 R)
• M4: 719,715 km (0.046 R)
• M5: 911,799 km (0.072 R)
• M6: 1,151,305 km (0.074 R)
• M7: 1,338,751 km (0.105 R)
• M8: 1,888,524 km (0.107 R)
• M9: 4,712,034 km (0.115 R)
• M10: 5,080,194 km (0.101 R)
• M11: 8,161,910 km (0.12 R)
• M12: 8,424,454 km (0.106 R)
• M13: 9,588,924 km (0.079 R)
• M14: 9,940,479 km (0.098 R)
• M15: 14,622,145 km (0.061 R)
• M16: 15,723,783 km (0.067 R)
• M17: 16,130,390 km (0.102 R)
• M18: 18,002,608 km (0.071 R)
• M19: 18,268,742 km (0.06 R)
• M20: 18,627,478 km (0.103 R)
• M21: 22,478,277 km (0.034 R)
• M22: 22,683,525 km (0.083 R)
• M23: 23,307,199 km (0.083 R)
• M24: 23,835,578 km (0.118 R)
• M25: 26,369,317 km (0.092 R)
• M26: 28,353,434 km (0.099 R)
• M27: 31,964,128 km (0.112 R)
• M28: 32,747,572 km (0.069 R)
• M29: 33,946,749 km (0.09 R)
• M30: 34,625,325 km (0.096 R)
• M31: 36,573,687 km (0.113 R)
• M32: 39,333,020 km (0.089 R)
• M33: 47,757,026 km (0.082 R)
• M34: 51,937,838 km (0.101 R)
• M35: 54,670,991 km (0.075 R)
• M36: 60,620,199 km (0.103 R)
• M37: 70,880,070 km (0.09 R)
• M38: 71,100,726 km (0.066 R)
• M39: 75,610,055 km (0.075 R)
• M40: 78,405,142 km (0.081 R)
• M41: 78,641,057 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 829.4

Radius: 6.1

Gravity: 22.29 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 12.05 AU - 18.65 AU

Year: 22303 Days

Day: 21.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 91,865,000 km

• M1: 103,223 km (0.106 R)
• M2: 330,611 km (0.048 R)
• M3: 826,528 km (0.032 R)
• M4: 1,108,670 km (0.112 R)
• M5: 1,453,792 km (0.079 R)
• M6: 2,135,659 km (0.116 R)
• M7: 2,548,101 km (0.073 R)
• M8: 3,381,211 km (0.102 R)
• M9: 4,707,695 km (0.064 R)
• M10: 6,624,194 km (0.05 R)
• M11: 9,414,194 km (0.063 R)
• M12: 9,894,104 km (0.118 R)
• M13: 11,498,990 km (0.115 R)
• M14: 13,048,225 km (0.048 R)
• M15: 14,493,939 km (0.095 R)
• M16: 16,554,650 km (0.104 R)
• M17: 18,802,956 km (0.085 R)
• M18: 20,443,147 km (0.078 R)
• M19: 24,561,726 km (0.11 R)
• M20: 24,786,722 km (0.104 R)
• M21: 25,469,935 km (0.091 R)
• M22: 28,576,185 km (0.096 R)
• M23: 30,868,623 km (0.051 R)
• M24: 31,130,719 km (0.1 R)
• M25: 32,059,721 km (0.086 R)
• M26: 32,463,336 km (0.048 R)
• M27: 45,361,366 km (0.077 R)
• M28: 50,622,124 km (0.102 R)
• M29: 55,498,416 km (0.067 R)
• M30: 55,691,996 km (0.064 R)
• M31: 60,678,692 km (0.11 R)
• M32: 61,296,381 km (0.086 R)
• M33: 63,385,515 km (0.1 R)
• M34: 71,757,910 km (0.096 R)
• M35: 78,865,753 km (0.081 R)
• M36: 79,601,326 km (0.117 R)
• M37: 81,335,465 km (0.064 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 937.9

Radius: 7.3

Gravity: 17.6 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 14.09 AU - 16.95 AU

Year: 22675 Days

Day: 21.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 91,865,000 km

• M1: 91,105 km (0.087 R)
• M2: 394,340 km (0.115 R)
• M3: 803,191 km (0.12 R)
• M4: 1,251,685 km (0.117 R)
• M5: 1,798,615 km (0.106 R)
• M6: 2,470,908 km (0.073 R)
• M7: 3,826,714 km (0.106 R)
• M8: 4,969,192 km (0.095 R)
• M9: 7,336,728 km (0.112 R)
• M10: 8,015,604 km (0.111 R)
• M11: 8,622,073 km (0.087 R)
• M12: 9,023,744 km (0.025 R)
• M13: 9,680,029 km (0.055 R)
• M14: 10,367,731 km (0.096 R)
• M15: 10,756,237 km (0.057 R)
• M16: 15,276,635 km (0.066 R)
• M17: 16,121,564 km (0.097 R)
• M18: 16,997,460 km (0.119 R)
• M19: 20,413,677 km (0.079 R)
• M20: 21,963,211 km (0.104 R)
• M21: 23,812,091 km (0.058 R)
• M22: 30,899,590 km (0.107 R)
• M23: 31,704,426 km (0.112 R)
• M24: 34,345,278 km (0.114 R)
• M25: 35,939,392 km (0.055 R)
• M26: 37,582,276 km (0.077 R)
• M27: 38,191,888 km (0.079 R)
• M28: 38,963,065 km (0.049 R)
• M29: 41,500,992 km (0.069 R)
• M30: 42,645,117 km (0.101 R)
• M31: 44,146,930 km (0.067 R)
• M32: 54,098,180 km (0.108 R)
• M33: 65,225,868 km (0.091 R)
• M34: 66,771,364 km (0.108 R)
• M35: 72,725,808 km (0.091 R)
• M36: 79,273,707 km (0.062 R)
• M37: 91,041,524 km (0.112 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 321 - 16,379 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit