🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.64 AU - 0.98 AU

Year: 262 Days

Day: 36.5 Hours

Environment

Temp: 95 °C

Axial Tilt: 4.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.8 AU - 0.96 AU

Year: 297 Days

Day: 43.3 Hours

Environment

Temp: 151 °C

Axial Tilt: 33.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 93,991,872 km

• M1: 34,707 km (0.075 R)
• M2: 70,760 km (0.093 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.83 AU - 1.15 AU

Year: 355 Days

Day: 26.4 Hours

Environment

Temp: 144 °C

Axial Tilt: 15.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1 AU - 1.64 AU

Year: 546 Days

Day: 30.4 Hours

Environment

Temp: 9 °C

Axial Tilt: 48.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.46 AU - 1.56 AU

Year: 668 Days

Day: 21.4 Hours

Environment

Temp: -26 °C

Axial Tilt: 90.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.92 AU - 2.7 AU

Year: 1264 Days

Day: 37.1 Hours

Environment

Temp: -80 °C

Axial Tilt: 9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.14 AU - 3.36 AU

Year: 1641 Days

Day: 27.4 Hours

Environment

Temp: -101 °C

Axial Tilt: 12.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 93,991,872 km

• M1: 100,679 km (0.081 R)

Asteroid Belt

Center: 5.25 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.8

Radius: 8

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 7.26 AU - 8.24 AU

Year: 7765 Days

Day: 7.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 93,991,872 km

• M1: 99,782 km (0.089 R)
• M2: 353,051 km (0.108 R)
• M3: 931,546 km (0.08 R)
• M4: 1,357,750 km (0.079 R)
• M5: 1,694,196 km (0.111 R)
• M6: 1,975,739 km (0.068 R)
• M7: 2,907,734 km (0.081 R)
• M8: 3,572,397 km (0.119 R)
• M9: 4,173,930 km (0.115 R)
• M10: 4,741,654 km (0.12 R)
• M11: 5,359,942 km (0.073 R)
• M12: 7,238,293 km (0.058 R)
• M13: 7,777,743 km (0.096 R)
• M14: 8,199,609 km (0.075 R)
• M15: 11,638,415 km (0.103 R)
• M16: 12,712,229 km (0.042 R)
• M17: 13,199,170 km (0.115 R)
• M18: 14,158,541 km (0.03 R)
• M19: 15,545,762 km (0.107 R)
• M20: 17,315,355 km (0.028 R)
• M21: 17,793,021 km (0.069 R)
• M22: 18,095,957 km (0.045 R)
• M23: 19,470,163 km (0.074 R)
• M24: 21,866,571 km (0.1 R)
• M25: 23,424,184 km (0.062 R)
• M26: 23,934,911 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 629.8

Radius: 3.9

Gravity: 41.41 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 17.33 AU - 19.67 AU

Year: 28637 Days

Day: 16.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 93,991,872 km

• M1: 48,470 km (0.079 R)
• M2: 191,336 km (0.047 R)
• M3: 323,281 km (0.04 R)
• M4: 643,271 km (0.082 R)
• M5: 956,379 km (0.116 R)
• M6: 1,624,633 km (0.112 R)
• M7: 2,584,902 km (0.081 R)
• M8: 2,901,750 km (0.101 R)
• M9: 3,155,767 km (0.107 R)
• M10: 3,486,229 km (0.067 R)
• M11: 3,708,382 km (0.079 R)
• M12: 3,939,810 km (0.083 R)
• M13: 4,145,806 km (0.101 R)
• M14: 5,203,313 km (0.072 R)
• M15: 5,750,692 km (0.112 R)
• M16: 6,811,640 km (0.118 R)
• M17: 7,362,459 km (0.076 R)
• M18: 8,723,800 km (0.081 R)
• M19: 9,014,768 km (0.075 R)
• M20: 11,373,777 km (0.065 R)
• M21: 13,030,423 km (0.085 R)
• M22: 14,434,100 km (0.062 R)
• M23: 15,089,189 km (0.086 R)
• M24: 23,875,970 km (0.082 R)
• M25: 25,966,899 km (0.111 R)
• M26: 51,279,457 km (0.076 R)
• M27: 53,764,128 km (0.115 R)
• M28: 54,937,424 km (0.091 R)
• M29: 60,849,981 km (0.093 R)
• M30: 68,533,178 km (0.034 R)
• M31: 79,328,160 km (0.067 R)
• M32: 83,684,151 km (0.109 R)
• M33: 84,995,077 km (0.075 R)
• M34: 88,196,921 km (0.086 R)
• M35: 89,281,804 km (0.064 R)
• M36: 93,148,909 km (0.095 R)

Kuiper Belt

Range: 30.5 - 46.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 452 - 16,626 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit