🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.45 AU - 0.69 AU

Year: 187 Days

Day: 31.7 Hours

Environment

Temp: 34 °C

Axial Tilt: 42 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.01 AU - 1.39 AU

Year: 570 Days

Day: 34.8 Hours

Environment

Temp: -71 °C

Axial Tilt: 22.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.3 AU - 1.64 AU

Year: 773 Days

Day: 29.8 Hours

Environment

Temp: -83 °C

Axial Tilt: 1.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.25 AU - 1.75 AU

Year: 796 Days

Day: 20.3 Hours

Environment

Temp: -98 °C

Axial Tilt: 18.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.35 AU - 2.13 AU

Year: 995 Days

Day: 32.2 Hours

Environment

Temp: -110 °C

Axial Tilt: 15.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 52,218,323 km

• M1: 88,712 km (0.109 R)

Asteroid Belt

Center: 2.07 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.97 AU - 2.83 AU

Year: 1612 Days

Day: 46.6 Hours

Environment

Temp: -131 °C

Axial Tilt: 20.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 52,218,323 km

• M1: 254,466 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.4

Radius: 8.8

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.11 AU - 3.43 AU

Year: 1998 Days

Day: 8 Hours

Environment

Temp: -132 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,218,323 km

• M1: 109,655 km (0.081 R)
• M2: 459,714 km (0.039 R)
• M3: 756,666 km (0.107 R)
• M4: 1,173,745 km (0.086 R)
• M5: 1,881,941 km (0.11 R)
• M6: 2,466,420 km (0.043 R)
• M7: 3,101,912 km (0.11 R)
• M8: 3,621,615 km (0.106 R)
• M9: 5,362,934 km (0.082 R)
• M10: 6,174,353 km (0.063 R)
• M11: 8,702,258 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.9

Radius: 8.5

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 4.36 AU - 4.38 AU

Year: 3960 Days

Day: 6 Hours

Environment

Temp: -172 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,218,323 km

• M1: 105,766 km (0.068 R)
• M2: 426,204 km (0.068 R)
• M3: 995,873 km (0.086 R)
• M4: 1,475,484 km (0.048 R)
• M5: 1,984,715 km (0.055 R)
• M6: 3,049,104 km (0.101 R)
• M7: 3,938,164 km (0.093 R)
• M8: 5,388,366 km (0.115 R)
• M9: 6,332,777 km (0.091 R)
• M10: 6,829,592 km (0.113 R)
• M11: 7,164,691 km (0.065 R)
• M12: 7,835,039 km (0.04 R)
• M13: 11,189,173 km (0.096 R)
• M14: 12,268,073 km (0.082 R)
• M15: 14,087,332 km (0.113 R)
• M16: 15,447,626 km (0.026 R)
• M17: 16,401,761 km (0.058 R)
• M18: 17,963,413 km (0.029 R)
• M19: 18,310,480 km (0.114 R)
• M20: 19,318,321 km (0.12 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.8

Radius: 14.7

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 8.97 AU - 9.15 AU

Year: 11821 Days

Day: 5.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,218,323 km

• M1: 186,100 km (0.118 R)
• M2: 685,607 km (0.11 R)
• M3: 1,532,331 km (0.115 R)
• M4: 2,139,100 km (0.081 R)
• M5: 2,926,882 km (0.078 R)
• M6: 3,588,554 km (0.074 R)
• M7: 4,615,394 km (0.116 R)
• M8: 7,044,863 km (0.049 R)
• M9: 7,541,677 km (0.116 R)
• M10: 10,023,656 km (0.12 R)
• M11: 10,493,991 km (0.112 R)
• M12: 11,705,884 km (0.103 R)
• M13: 12,765,186 km (0.078 R)
• M14: 13,380,931 km (0.097 R)
• M15: 14,939,741 km (0.105 R)
• M16: 16,689,288 km (0.075 R)
• M17: 18,885,684 km (0.046 R)
• M18: 23,570,491 km (0.106 R)
• M19: 26,526,395 km (0.096 R)
• M20: 29,936,030 km (0.066 R)
• M21: 32,026,511 km (0.066 R)
• M22: 33,861,029 km (0.116 R)
• M23: 36,496,495 km (0.034 R)
• M24: 41,099,921 km (0.106 R)
• M25: 44,375,366 km (0.055 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: 164 - 17,579 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit