🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.47 AU - 0.53 AU

Year: 124 Days

Day: 35.9 Hours

Environment

Temp: 224 °C

Axial Tilt: 43.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.69 AU - 0.81 AU

Year: 227 Days

Day: 17.9 Hours

Environment

Temp: 146 °C

Axial Tilt: 15.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.05 AU - 1.25 AU

Year: 431 Days

Day: 26.5 Hours

Environment

Temp: 38 °C

Axial Tilt: 13.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.47 AU - 1.57 AU

Year: 656 Days

Day: 43.1 Hours

Environment

Temp: -9 °C

Axial Tilt: 3.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.91 AU - 2.93 AU

Year: 1746 Days

Day: 20.4 Hours

Environment

Temp: -91 °C

Axial Tilt: 3.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 90,678,242 km

• M1: 540,796 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.6

Radius: 12.1

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 6.16 AU - 6.6 AU

Year: 5638 Days

Day: 13.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 90,678,242 km

• M1: 150,495 km (0.064 R)
• M2: 871,856 km (0.096 R)
• M3: 2,066,545 km (0.093 R)
• M4: 2,494,395 km (0.067 R)
• M5: 3,209,323 km (0.039 R)
• M6: 3,943,250 km (0.048 R)
• M7: 4,362,573 km (0.101 R)
• M8: 4,863,427 km (0.098 R)
• M9: 5,291,725 km (0.119 R)
• M10: 6,317,069 km (0.101 R)
• M11: 6,993,401 km (0.1 R)
• M12: 9,684,218 km (0.051 R)
• M13: 10,191,804 km (0.05 R)
• M14: 11,306,607 km (0.059 R)
• M15: 12,353,343 km (0.038 R)
• M16: 12,799,743 km (0.048 R)
• M17: 13,463,509 km (0.109 R)
• M18: 16,056,788 km (0.109 R)
• M19: 16,588,908 km (0.068 R)
• M20: 17,071,810 km (0.112 R)
• M21: 20,788,569 km (0.088 R)
• M22: 21,921,773 km (0.088 R)
• M23: 24,233,957 km (0.084 R)
• M24: 28,042,869 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871.2

Radius: 5.1

Gravity: 33.49 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 15.67 AU - 22.41 AU

Year: 29065 Days

Day: 22.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 90,678,242 km

• M1: 64,776 km (0.029 R)
• M2: 582,833 km (0.099 R)
• M3: 765,792 km (0.112 R)
• M4: 1,042,398 km (0.032 R)
• M5: 1,656,348 km (0.094 R)
• M6: 3,625,504 km (0.092 R)
• M7: 3,827,761 km (0.107 R)
• M8: 4,073,251 km (0.066 R)
• M9: 7,242,631 km (0.12 R)
• M10: 8,644,962 km (0.059 R)
• M11: 10,968,217 km (0.111 R)
• M12: 19,639,508 km (0.116 R)
• M13: 23,821,516 km (0.116 R)
• M14: 27,001,668 km (0.116 R)
• M15: 28,692,872 km (0.076 R)
• M16: 34,487,695 km (0.045 R)
• M17: 40,345,798 km (0.061 R)
• M18: 43,772,187 km (0.101 R)
• M19: 43,948,563 km (0.068 R)
• M20: 52,976,346 km (0.099 R)
• M21: 55,824,989 km (0.101 R)
• M22: 56,239,973 km (0.058 R)
• M23: 60,504,859 km (0.081 R)
• M24: 64,295,220 km (0.108 R)
• M25: 76,610,566 km (0.088 R)
• M26: 82,375,619 km (0.119 R)
• M27: 82,644,296 km (0.038 R)
• M28: 85,363,537 km (0.06 R)
• M29: 91,842,920 km (0.102 R)
• M30: 95,943,098 km (0.099 R)
• M31: 104,506,230 km (0.075 R)
• M32: 105,452,736 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 480.1

Radius: 7.2

Gravity: 9.26 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 17.82 AU - 22 AU

Year: 31080 Days

Day: 15.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 94.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 90,678,242 km

• M1: 89,609 km (0.099 R)
• M2: 327,619 km (0.066 R)
• M3: 653,892 km (0.062 R)
• M4: 904,768 km (0.107 R)
• M5: 1,177,485 km (0.06 R)
• M6: 1,454,690 km (0.103 R)
• M7: 1,813,874 km (0.11 R)
• M8: 2,486,915 km (0.111 R)
• M9: 2,814,534 km (0.117 R)
• M10: 3,199,300 km (0.052 R)
• M11: 4,567,373 km (0.098 R)
• M12: 8,792,615 km (0.118 R)
• M13: 14,753,940 km (0.101 R)
• M14: 17,856,002 km (0.057 R)
• M15: 18,318,708 km (0.085 R)
• M16: 20,249,568 km (0.08 R)
• M17: 24,624,558 km (0.102 R)
• M18: 28,073,836 km (0.076 R)
• M19: 28,952,125 km (0.086 R)
• M20: 30,238,666 km (0.119 R)
• M21: 31,161,536 km (0.094 R)
• M22: 33,480,751 km (0.08 R)
• M23: 36,501,432 km (0.084 R)
• M24: 36,798,234 km (0.069 R)
• M25: 38,306,629 km (0.118 R)
• M26: 44,078,265 km (0.101 R)
• M27: 46,470,933 km (0.1 R)
• M28: 51,699,977 km (0.093 R)
• M29: 53,208,671 km (0.105 R)

Kuiper Belt

Range: 31.4 - 55.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 371 - 11,929 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit