🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.5 AU - 0.72 AU

Year: 175 Days

Day: 15.6 Hours

Environment

Temp: 169 °C

Axial Tilt: 29.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 69,043,080 km

• M1: 128,804 km (0.094 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.94 AU - 1.48 AU

Year: 489 Days

Day: 29.9 Hours

Environment

Temp: 11 °C

Axial Tilt: 23.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.85 AU - 1.91 AU

Year: 946 Days

Day: 22.1 Hours

Environment

Temp: -56 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 69,043,080 km

• M1: 128,953 km (0.108 R)
• M2: 443,707 km (0.076 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.46 AU - 2.72 AU

Year: 1530 Days

Day: 29.3 Hours

Environment

Temp: -85 °C

Axial Tilt: 32.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,043,080 km

• M1: 250,576 km (0.087 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 3.25 AU - 3.47 AU

Year: 2261 Days

Day: 34.6 Hours

Environment

Temp: -114 °C

Axial Tilt: 35.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 15.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 416.1

Radius: 5.6

Gravity: 13.27 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 12.01 AU - 19.55 AU

Year: 23011 Days

Day: 20 Hours

Environment

Temp: -197 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 69,043,080 km

• M1: 70,012 km (0.106 R)
• M2: 263,591 km (0.072 R)
• M3: 1,083,837 km (0.108 R)
• M4: 1,297,762 km (0.099 R)
• M5: 1,571,974 km (0.083 R)
• M6: 2,237,236 km (0.089 R)
• M7: 2,563,958 km (0.113 R)
• M8: 2,823,361 km (0.118 R)
• M9: 3,312,845 km (0.116 R)
• M10: 3,506,873 km (0.101 R)
• M11: 3,737,852 km (0.108 R)
• M12: 3,979,004 km (0.109 R)
• M13: 7,549,905 km (0.106 R)
• M14: 10,239,675 km (0.067 R)
• M15: 11,702,144 km (0.098 R)
• M16: 12,153,630 km (0.064 R)
• M17: 12,416,773 km (0.116 R)
• M18: 13,719,022 km (0.06 R)
• M19: 15,567,902 km (0.054 R)
• M20: 25,798,751 km (0.081 R)
• M21: 26,124,426 km (0.115 R)
• M22: 28,136,368 km (0.064 R)
• M23: 29,533,612 km (0.104 R)
• M24: 33,872,249 km (0.089 R)
• M25: 35,855,019 km (0.077 R)
• M26: 43,326,386 km (0.025 R)
• M27: 51,943,672 km (0.095 R)
• M28: 52,636,908 km (0.089 R)
• M29: 56,377,603 km (0.075 R)
• M30: 57,293,591 km (0.061 R)
• M31: 61,829,099 km (0.083 R)
• M32: 62,023,128 km (0.097 R)
• M33: 66,394,826 km (0.1 R)
• M34: 66,598,279 km (0.077 R)
• M35: 67,006,382 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 338.8

Radius: 7.1

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 16 AU - 16.98 AU

Year: 24581 Days

Day: 16.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 69,043,080 km

• M1: 88,263 km (0.089 R)
• M2: 321,037 km (0.043 R)
• M3: 726,896 km (0.118 R)
• M4: 1,178,682 km (0.119 R)
• M5: 1,506,750 km (0.047 R)
• M6: 3,932,030 km (0.101 R)
• M7: 4,635,140 km (0.099 R)
• M8: 5,160,678 km (0.098 R)
• M9: 7,906,397 km (0.096 R)
• M10: 11,812,846 km (0.103 R)
• M11: 13,334,556 km (0.083 R)
• M12: 18,079,800 km (0.1 R)
• M13: 20,093,238 km (0.069 R)
• M14: 20,920,365 km (0.098 R)
• M15: 24,353,187 km (0.118 R)
• M16: 27,804,410 km (0.119 R)
• M17: 29,529,124 km (0.101 R)
• M18: 29,882,324 km (0.078 R)
• M19: 30,717,679 km (0.054 R)
• M20: 31,814,381 km (0.07 R)
• M21: 35,525,754 km (0.032 R)
• M22: 40,958,102 km (0.071 R)
• M23: 43,642,187 km (0.077 R)
• M24: 44,100,555 km (0.059 R)
• M25: 52,911,869 km (0.06 R)
• M26: 55,373,801 km (0.056 R)
• M27: 56,814,429 km (0.077 R)
• M28: 58,835,795 km (0.103 R)
• M29: 59,208,444 km (0.098 R)
• M30: 62,053,346 km (0.092 R)
• M31: 64,591,424 km (0.069 R)
• M32: 64,988,008 km (0.066 R)
• M33: 66,187,334 km (0.055 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 13,219 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit