🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.61 AU - 0.87 AU

Year: 234 Days

Day: 29.3 Hours

Environment

Temp: 162 °C

Axial Tilt: 49.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 41,406,743 km

• M1: 301,290 km (0.058 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.83 AU - 1.21 AU

Year: 378 Days

Day: 44 Hours

Environment

Temp: 32 °C

Axial Tilt: 166.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.1 AU - 1.74 AU

Year: 621 Days

Day: 16.2 Hours

Environment

Temp: -31 °C

Axial Tilt: 13 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,406,743 km

• M1: 855,849 km (0.087 R)

Asteroid Belt

Center: 3.1 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.7

Radius: 12.2

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.24 AU - 5.3 AU

Year: 3824 Days

Day: 8.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,406,743 km

• M1: 151,991 km (0.101 R)
• M2: 825,930 km (0.067 R)
• M3: 1,213,987 km (0.12 R)
• M4: 1,793,828 km (0.102 R)
• M5: 2,496,788 km (0.119 R)
• M6: 3,946,392 km (0.096 R)
• M7: 4,842,782 km (0.065 R)
• M8: 5,447,906 km (0.08 R)
• M9: 6,076,815 km (0.058 R)
• M10: 6,641,996 km (0.102 R)
• M11: 9,020,452 km (0.089 R)
• M12: 9,401,478 km (0.114 R)
• M13: 9,829,478 km (0.077 R)
• M14: 13,874,006 km (0.069 R)
• M15: 14,335,964 km (0.048 R)
• M16: 15,048,199 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.8

Radius: 8

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 5.31 AU - 6.89 AU

Year: 5531 Days

Day: 12.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 41,406,743 km

• M1: 101,128 km (0.102 R)
• M2: 576,700 km (0.118 R)
• M3: 1,016,218 km (0.078 R)
• M4: 1,605,036 km (0.099 R)
• M5: 1,873,265 km (0.092 R)
• M6: 2,371,725 km (0.042 R)
• M7: 2,687,227 km (0.054 R)
• M8: 3,087,550 km (0.109 R)
• M9: 3,805,919 km (0.028 R)
• M10: 4,076,542 km (0.044 R)
• M11: 5,180,873 km (0.059 R)
• M12: 5,513,878 km (0.086 R)
• M13: 6,761,375 km (0.095 R)
• M14: 16,496,008 km (0.119 R)
• M15: 17,218,416 km (0.102 R)
• M16: 17,773,873 km (0.079 R)
• M17: 19,712,212 km (0.09 R)
• M18: 24,930,784 km (0.049 R)
• M19: 28,364,504 km (0.071 R)
• M20: 28,793,102 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213

Radius: 9.5

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 6.29 AU - 7.89 AU

Year: 6930 Days

Day: 10 Hours

Environment

Temp: -155 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,406,743 km

• M1: 118,781 km (0.064 R)
• M2: 518,357 km (0.096 R)
• M3: 1,113,008 km (0.106 R)
• M4: 1,442,273 km (0.113 R)
• M5: 1,940,434 km (0.042 R)
• M6: 2,952,613 km (0.078 R)
• M7: 3,397,517 km (0.106 R)
• M8: 4,683,610 km (0.099 R)
• M9: 5,751,290 km (0.047 R)
• M10: 6,092,672 km (0.111 R)
• M11: 9,844,288 km (0.095 R)
• M12: 10,458,836 km (0.072 R)
• M13: 11,273,696 km (0.087 R)
• M14: 12,645,658 km (0.114 R)
• M15: 13,570,322 km (0.101 R)
• M16: 14,749,004 km (0.117 R)
• M17: 15,883,704 km (0.086 R)
• M18: 18,387,074 km (0.091 R)
• M19: 19,764,571 km (0.094 R)
• M20: 20,610,099 km (0.087 R)
• M21: 23,723,978 km (0.045 R)
• M22: 24,382,359 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.9

Radius: 12.4

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 9.25 AU - 10.89 AU

Year: 11731 Days

Day: 11.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,406,743 km

• M1: 154,235 km (0.073 R)
• M2: 569,968 km (0.113 R)
• M3: 1,324,689 km (0.111 R)
• M4: 2,176,799 km (0.103 R)
• M5: 3,838,681 km (0.05 R)
• M6: 7,555,141 km (0.09 R)
• M7: 8,328,562 km (0.062 R)
• M8: 9,380,235 km (0.094 R)
• M9: 11,640,809 km (0.116 R)
• M10: 12,285,725 km (0.097 R)
• M11: 12,784,933 km (0.079 R)
• M12: 17,211,833 km (0.109 R)
• M13: 17,767,290 km (0.112 R)
• M14: 18,191,699 km (0.049 R)
• M15: 21,354,797 km (0.066 R)
• M16: 26,393,104 km (0.113 R)
• M17: 27,132,267 km (0.109 R)
• M18: 28,458,751 km (0.097 R)
• M19: 29,040,387 km (0.114 R)
• M20: 29,432,483 km (0.055 R)
• M21: 33,335,941 km (0.074 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 312 - 19,275 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit