🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.59 AU - 0.91 AU

Year: 236 Days

Day: 43.3 Hours

Environment

Temp: 105 °C

Axial Tilt: 27 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 99,234,092 km

• M1: 36,352 km (0.071 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.21 AU - 1.3 AU

Year: 508 Days

Day: 35.5 Hours

Environment

Temp: 2 °C

Axial Tilt: 20.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.14 AU - 1.64 AU

Year: 596 Days

Day: 42.7 Hours

Environment

Temp: -11 °C

Axial Tilt: 12.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.26 AU - 4.9 AU

Year: 2995 Days

Day: 33.5 Hours

Environment

Temp: -119 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.86 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.1

Radius: 8.5

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.74 AU - 6.54 AU

Year: 4868 Days

Day: 5.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 99,234,092 km

• M1: 105,766 km (0.049 R)
• M2: 445,951 km (0.086 R)
• M3: 1,148,463 km (0.087 R)
• M4: 1,600,697 km (0.034 R)
• M5: 2,226,914 km (0.111 R)
• M6: 2,740,483 km (0.038 R)
• M7: 3,194,812 km (0.081 R)
• M8: 3,656,471 km (0.102 R)
• M9: 4,048,268 km (0.074 R)
• M10: 4,788,777 km (0.068 R)
• M11: 5,504,753 km (0.082 R)
• M12: 5,873,960 km (0.077 R)
• M13: 6,951,065 km (0.025 R)
• M14: 10,880,104 km (0.095 R)
• M15: 11,417,309 km (0.044 R)
• M16: 13,285,637 km (0.115 R)
• M17: 14,003,557 km (0.112 R)
• M18: 14,372,017 km (0.118 R)
• M19: 14,855,218 km (0.109 R)
• M20: 19,184,281 km (0.052 R)
• M21: 19,902,052 km (0.066 R)
• M22: 20,909,594 km (0.12 R)
• M23: 23,098,958 km (0.101 R)
• M24: 24,514,005 km (0.086 R)
• M25: 26,622,886 km (0.061 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 326.3

Radius: 7.5

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 12.52 AU - 19.92 AU

Year: 23741 Days

Day: 19.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 99,234,092 km

• M1: 93,947 km (0.071 R)
• M2: 431,739 km (0.066 R)
• M3: 892,202 km (0.116 R)
• M4: 1,491,940 km (0.077 R)
• M5: 1,889,571 km (0.12 R)
• M6: 3,629,693 km (0.116 R)
• M7: 4,779,802 km (0.116 R)
• M8: 5,022,150 km (0.119 R)
• M9: 5,531,680 km (0.114 R)
• M10: 7,496,798 km (0.06 R)
• M11: 8,064,821 km (0.1 R)
• M12: 9,180,373 km (0.107 R)
• M13: 11,283,120 km (0.086 R)
• M14: 12,609,305 km (0.081 R)
• M15: 13,412,347 km (0.12 R)
• M16: 16,491,819 km (0.069 R)
• M17: 19,219,736 km (0.088 R)
• M18: 23,803,864 km (0.069 R)
• M19: 25,867,566 km (0.041 R)
• M20: 31,907,730 km (0.068 R)
• M21: 35,057,513 km (0.11 R)
• M22: 35,318,112 km (0.091 R)
• M23: 36,107,690 km (0.051 R)
• M24: 37,178,811 km (0.116 R)
• M25: 37,858,733 km (0.115 R)
• M26: 38,964,112 km (0.11 R)
• M27: 39,806,946 km (0.117 R)
• M28: 43,600,748 km (0.084 R)
• M29: 48,753,946 km (0.104 R)
• M30: 51,392,703 km (0.093 R)
• M31: 66,621,317 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 707.1

Radius: 7.6

Gravity: 12.24 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 17.46 AU - 19.88 AU

Year: 29319 Days

Day: 17.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 99,234,092 km

• M1: 94,546 km (0.05 R)
• M2: 366,515 km (0.08 R)
• M3: 1,052,571 km (0.113 R)
• M4: 1,332,468 km (0.056 R)
• M5: 1,918,593 km (0.085 R)
• M6: 2,201,632 km (0.096 R)
• M7: 2,991,209 km (0.055 R)
• M8: 3,404,399 km (0.11 R)
• M9: 4,130,248 km (0.115 R)
• M10: 5,322,543 km (0.118 R)
• M11: 8,142,911 km (0.117 R)
• M12: 9,068,473 km (0.066 R)
• M13: 9,807,487 km (0.079 R)
• M14: 11,265,468 km (0.11 R)
• M15: 11,758,243 km (0.047 R)
• M16: 14,195,791 km (0.07 R)
• M17: 16,769,473 km (0.119 R)
• M18: 20,455,714 km (0.055 R)
• M19: 21,083,277 km (0.097 R)
• M20: 22,930,960 km (0.073 R)
• M21: 24,884,110 km (0.099 R)
• M22: 25,961,663 km (0.062 R)
• M23: 29,778,653 km (0.073 R)
• M24: 31,267,152 km (0.066 R)
• M25: 35,577,665 km (0.119 R)
• M26: 38,820,199 km (0.065 R)
• M27: 41,752,018 km (0.04 R)
• M28: 44,479,037 km (0.04 R)
• M29: 44,828,049 km (0.114 R)
• M30: 49,908,243 km (0.09 R)
• M31: 52,781,420 km (0.12 R)
• M32: 53,368,891 km (0.049 R)
• M33: 54,557,147 km (0.096 R)
• M34: 65,829,496 km (0.078 R)
• M35: 66,738,303 km (0.104 R)
• M36: 68,348,724 km (0.112 R)
• M37: 69,749,558 km (0.097 R)
• M38: 70,220,642 km (0.116 R)
• M39: 70,931,382 km (0.088 R)
• M40: 80,612,309 km (0.115 R)
• M41: 81,391,564 km (0.12 R)
• M42: 86,172,562 km (0.115 R)
• M43: 92,265,983 km (0.094 R)

Kuiper Belt

Range: 30.2 - 58.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 548 - 20,019 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit