🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.46 AU - 0.62 AU

Year: 143 Days

Day: 45.6 Hours

Environment

Temp: 224 °C

Axial Tilt: 5.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.52 AU - 0.78 AU

Year: 189 Days

Day: 29.4 Hours

Environment

Temp: 213 °C

Axial Tilt: 134.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 73,478,584 km

• M1: 116,686 km (0.071 R)
• M2: 203,603 km (0.075 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.6 AU - 0.72 AU

Year: 193 Days

Day: 35.5 Hours

Environment

Temp: 154 °C

Axial Tilt: 6.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.63 AU - 0.83 AU

Year: 224 Days

Day: 22.2 Hours

Environment

Temp: 128 °C

Axial Tilt: 46.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 73,478,584 km

• M1: 460,462 km (0.114 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.07 AU - 1.41 AU

Year: 497 Days

Day: 39.3 Hours

Environment

Temp: 23 °C

Axial Tilt: 33.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.58 AU - 1.76 AU

Year: 777 Days

Day: 39.1 Hours

Environment

Temp: -48 °C

Axial Tilt: 0.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,478,584 km

• M1: 41,738 km (0.072 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.33 AU - 2.67 AU

Year: 1423 Days

Day: 40.5 Hours

Environment

Temp: -91 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.36 AU - 3.38 AU

Year: 2226 Days

Day: 37.7 Hours

Environment

Temp: -116 °C

Axial Tilt: 0.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Terrestrial

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.66 AU - 4.16 AU

Year: 2266 Days

Day: 13.7 Hours

Environment

Temp: -110 °C

Axial Tilt: 34.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 10 - Ice Giant

Semi-Major Axis: 13.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 764.1

Radius: 6.4

Gravity: 18.65 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 10.48 AU - 16.64 AU

Year: 17971 Days

Day: 17.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 73,478,584 km

• M1: 369,656 km (0.05 R)
• M2: 539,749 km (0.098 R)
• M3: 924,964 km (0.112 R)
• M4: 1,381,088 km (0.105 R)
• M5: 3,679,958 km (0.059 R)
• M6: 4,515,313 km (0.061 R)
• M7: 5,043,842 km (0.104 R)
• M8: 5,224,406 km (0.086 R)
• M9: 5,269,735 km (0.11 R)
• M10: 5,920,037 km (0.106 R)
• M11: 6,206,516 km (0.117 R)
• M12: 6,399,947 km (0.106 R)
• M13: 6,992,204 km (0.104 R)
• M14: 7,757,098 km (0.094 R)
• M15: 7,861,069 km (0.114 R)
• M16: 8,763,443 km (0.12 R)
• M17: 8,817,598 km (0.088 R)
• M18: 8,871,902 km (0.109 R)
• M19: 9,642,480 km (0.053 R)
• M20: 9,698,430 km (0.087 R)
• M21: 9,979,375 km (0.091 R)
• M22: 10,838,216 km (0.04 R)
• M23: 11,482,983 km (0.103 R)
• M24: 12,140,316 km (0.099 R)
• M25: 15,867,697 km (0.097 R)
• M26: 18,162,977 km (0.077 R)
• M27: 18,301,205 km (0.118 R)
• M28: 18,857,560 km (0.073 R)
• M29: 18,997,434 km (0.114 R)
• M30: 19,137,756 km (0.094 R)
• M31: 19,560,819 km (0.055 R)
• M32: 20,200,948 km (0.065 R)
• M33: 21,502,001 km (0.056 R)
• M34: 22,384,329 km (0.091 R)
• M35: 23,428,672 km (0.108 R)
• M36: 23,729,962 km (0.094 R)
• M37: 24,565,018 km (0.071 R)
• M38: 26,969,803 km (0.045 R)
• M39: 27,206,467 km (0.057 R)
• M40: 27,443,879 km (0.075 R)
• M41: 28,320,223 km (0.059 R)
• M42: 28,480,443 km (0.039 R)
• M43: 30,099,989 km (0.094 R)
• M44: 32,249,860 km (0.083 R)
• M45: 32,837,032 km (0.109 R)
• M46: 33,174,076 km (0.084 R)
• M47: 33,343,121 km (0.091 R)
• M48: 33,766,783 km (0.062 R)
• M49: 34,107,118 km (0.116 R)
• M50: 34,705,360 km (0.09 R)
• M51: 35,307,042 km (0.116 R)
• M52: 36,782,526 km (0.107 R)
• M53: 37,748,031 km (0.096 R)
• M54: 37,836,144 km (0.106 R)
• M55: 38,632,902 km (0.083 R)
• M56: 38,721,763 km (0.11 R)
• M57: 39,435,195 km (0.075 R)
• M58: 40,152,816 km (0.107 R)
• M59: 40,513,347 km (0.111 R)
• M60: 43,620,495 km (0.104 R)
• M61: 43,805,548 km (0.118 R)
• M62: 45,296,141 km (0.103 R)
• M63: 45,859,377 km (0.08 R)
• M64: 49,576,734 km (0.119 R)
• M65: 53,191,617 km (0.042 R)
• M66: 54,183,152 km (0.119 R)
• M67: 54,282,635 km (0.092 R)
• M68: 54,681,163 km (0.079 R)
• M69: 55,581,443 km (0.11 R)
• M70: 56,587,489 km (0.057 R)
• M71: 57,396,664 km (0.116 R)
• M72: 58,209,579 km (0.113 R)
• M73: 61,499,535 km (0.112 R)
• M74: 62,435,719 km (0.056 R)
• M75: 63,376,540 km (0.108 R)
• M76: 63,901,179 km (0.111 R)
• M77: 64,216,681 km (0.096 R)
• M78: 65,483,925 km (0.116 R)
• M79: 65,589,840 km (0.096 R)
• M80: 65,695,905 km (0.048 R)
• M81: 66,972,723 km (0.099 R)
• M82: 67,186,349 km (0.11 R)
• M83: 67,293,311 km (0.116 R)
• M84: 67,507,236 km (0.117 R)
• M85: 68,150,357 km (0.093 R)
• M86: 69,226,863 km (0.114 R)
• M87: 70,200,596 km (0.112 R)
• M88: 70,309,054 km (0.069 R)
• M89: 70,743,337 km (0.115 R)
• M90: 71,614,894 km (0.105 R)
• M91: 71,833,307 km (0.105 R)
• M92: 71,942,663 km (0.03 R)
• M93: 72,380,387 km (0.083 R)
• M94: 72,489,892 km (0.105 R)

Kuiper Belt

Range: 30.5 - 56.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 426 - 19,381 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit