🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.58 AU - 0.68 AU

Year: 154 Days

Day: 28.1 Hours

Environment

Temp: 274 °C

Axial Tilt: 1.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.71 AU - 0.99 AU

Year: 241 Days

Day: 44.1 Hours

Environment

Temp: 267 °C

Axial Tilt: 23.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 59,330,627 km

• M1: 23,487 km (0.095 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.76 AU - 1.08 AU

Year: 271 Days

Day: 33.4 Hours

Environment

Temp: 177 °C

Axial Tilt: 48.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.91 AU - 1.07 AU

Year: 303 Days

Day: 20.1 Hours

Environment

Temp: 209 °C

Axial Tilt: 27.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.42 AU - 1.46 AU

Year: 532 Days

Day: 17.5 Hours

Environment

Temp: 155 °C

Axial Tilt: 29.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 59,330,627 km

• M1: 132,394 km (0.087 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.28 AU - 1.72 AU

Year: 565 Days

Day: 38 Hours

Environment

Temp: 111 °C

Axial Tilt: 32.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 7 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.63 AU - 2.17 AU

Year: 806 Days

Day: 23.8 Hours

Environment

Temp: 26 °C

Axial Tilt: 6.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 59,330,627 km

• M1: 57,745 km (0.096 R)

Planet 8 - Terrestrial

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.06 AU - 3.2 AU

Year: 1312 Days

Day: 26.2 Hours

Environment

Temp: -35 °C

Axial Tilt: 13.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 59,330,627 km

• M1: 148,850 km (0.089 R)
• M2: 246,986 km (0.109 R)

Asteroid Belt

Center: 6.16 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.9

Radius: 8

Gravity: 11.98 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 8.31 AU - 11.05 AU

Year: 9264 Days

Day: 5.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 59,330,627 km

• M1: 99,632 km (0.1 R)
• M2: 506,090 km (0.057 R)
• M3: 819,348 km (0.089 R)
• M4: 1,348,475 km (0.084 R)
• M5: 1,826,740 km (0.045 R)
• M6: 3,305,066 km (0.119 R)
• M7: 4,574,852 km (0.09 R)
• M8: 5,720,623 km (0.085 R)
• M9: 6,034,778 km (0.088 R)
• M10: 6,546,403 km (0.111 R)
• M11: 7,824,417 km (0.091 R)
• M12: 8,212,026 km (0.103 R)
• M13: 9,404,171 km (0.114 R)
• M14: 12,530,467 km (0.07 R)
• M15: 13,121,379 km (0.106 R)
• M16: 14,874,965 km (0.036 R)
• M17: 17,207,495 km (0.111 R)
• M18: 20,331,847 km (0.108 R)
• M19: 20,900,468 km (0.064 R)
• M20: 21,313,209 km (0.085 R)
• M21: 21,900,081 km (0.109 R)
• M22: 23,194,103 km (0.117 R)
• M23: 25,275,907 km (0.104 R)
• M24: 27,282,762 km (0.035 R)
• M25: 31,718,937 km (0.11 R)
• M26: 32,264,072 km (0.092 R)
• M27: 40,184,382 km (0.074 R)
• M28: 41,338,080 km (0.078 R)
• M29: 41,988,532 km (0.057 R)
• M30: 43,846,089 km (0.081 R)
• M31: 46,593,902 km (0.115 R)

Planet 10 - Gas Giant

Semi-Major Axis: 12.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688

Radius: 9.6

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 10 AU - 15.18 AU

Year: 13741 Days

Day: 5.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 59,330,627 km

• M1: 119,828 km (0.098 R)
• M2: 458,966 km (0.109 R)
• M3: 775,964 km (0.104 R)
• M4: 2,041,562 km (0.099 R)
• M5: 2,928,229 km (0.111 R)
• M6: 4,290,467 km (0.073 R)
• M7: 5,337,203 km (0.065 R)
• M8: 6,111,223 km (0.118 R)
• M9: 6,749,856 km (0.085 R)
• M10: 7,432,321 km (0.096 R)
• M11: 7,836,086 km (0.118 R)
• M12: 9,391,306 km (0.109 R)
• M13: 9,757,222 km (0.097 R)
• M14: 10,855,719 km (0.117 R)
• M15: 11,376,020 km (0.086 R)
• M16: 12,973,127 km (0.058 R)
• M17: 14,505,907 km (0.106 R)
• M18: 14,924,931 km (0.102 R)
• M19: 17,532,272 km (0.066 R)
• M20: 18,087,879 km (0.032 R)
• M21: 21,311,713 km (0.086 R)
• M22: 21,671,944 km (0.108 R)
• M23: 22,127,919 km (0.089 R)
• M24: 23,343,401 km (0.108 R)
• M25: 25,500,902 km (0.047 R)
• M26: 26,009,235 km (0.088 R)
• M27: 26,836,512 km (0.079 R)
• M28: 29,423,807 km (0.117 R)
• M29: 38,441,716 km (0.113 R)
• M30: 42,143,515 km (0.114 R)
• M31: 45,478,800 km (0.097 R)
• M32: 49,929,785 km (0.028 R)
• M33: 50,565,726 km (0.054 R)
• M34: 51,206,902 km (0.047 R)
• M35: 56,190,456 km (0.116 R)

Kuiper Belt

Range: 35.6 - 55.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 541 - 12,521 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit