🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.67 AU - 0.87 AU

Year: 259 Days

Day: 23.7 Hours

Environment

Temp: 80 °C

Axial Tilt: 11.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 60,226,649 km

• M1: 115,190 km (0.073 R)
• M2: 340,784 km (0.11 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.7 AU - 1.04 AU

Year: 311 Days

Day: 37.3 Hours

Environment

Temp: 17 °C

Axial Tilt: 0.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 60,226,649 km

• M1: 83,326 km (0.094 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.01 AU - 1.21 AU

Year: 448 Days

Day: 41.7 Hours

Environment

Temp: -2 °C

Axial Tilt: 36.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.37 AU - 1.49 AU

Year: 655 Days

Day: 40.4 Hours

Environment

Temp: -50 °C

Axial Tilt: 40 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,226,649 km

• M1: 884,871 km (0.054 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.45 AU - 2.23 AU

Year: 956 Days

Day: 43.7 Hours

Environment

Temp: -69 °C

Axial Tilt: 19.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.79 AU - 2.19 AU

Year: 1075 Days

Day: 19.3 Hours

Environment

Temp: -73 °C

Axial Tilt: 38.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.39 AU - 3.73 AU

Year: 2050 Days

Day: 23.4 Hours

Environment

Temp: -108 °C

Axial Tilt: 21.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.39 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 11.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158

Radius: 6.6

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 10.67 AU - 12.77 AU

Year: 15362 Days

Day: 16.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 60,226,649 km

• M1: 85,570 km (0.056 R)
• M2: 161,117 km (0.075 R)
• M3: 227,239 km (0.067 R)
• M4: 1,118,992 km (0.115 R)
• M5: 1,526,347 km (0.058 R)
• M6: 1,605,185 km (0.106 R)
• M7: 2,652,221 km (0.094 R)
• M8: 2,747,514 km (0.102 R)
• M9: 2,843,856 km (0.059 R)
• M10: 3,840,626 km (0.082 R)
• M11: 3,921,409 km (0.07 R)
• M12: 4,390,099 km (0.111 R)
• M13: 4,446,348 km (0.048 R)
• M14: 4,702,759 km (0.113 R)
• M15: 4,847,420 km (0.103 R)
• M16: 5,591,968 km (0.051 R)
• M17: 7,756,799 km (0.067 R)
• M18: 8,342,924 km (0.07 R)
• M19: 9,194,734 km (0.107 R)
• M20: 10,523,462 km (0.076 R)
• M21: 10,941,289 km (0.056 R)
• M22: 11,133,074 km (0.104 R)
• M23: 11,911,132 km (0.042 R)
• M24: 12,187,589 km (0.112 R)
• M25: 14,014,777 km (0.068 R)
• M26: 15,066,301 km (0.116 R)
• M27: 16,580,680 km (0.103 R)
• M28: 16,889,300 km (0.075 R)
• M29: 17,512,376 km (0.109 R)
• M30: 18,052,274 km (0.099 R)
• M31: 18,188,109 km (0.098 R)
• M32: 18,460,826 km (0.05 R)
• M33: 19,704,882 km (0.118 R)
• M34: 20,031,753 km (0.119 R)
• M35: 20,313,446 km (0.083 R)
• M36: 20,454,666 km (0.107 R)
• M37: 20,833,149 km (0.09 R)
• M38: 22,613,214 km (0.093 R)
• M39: 22,857,507 km (0.1 R)
• M40: 23,595,623 km (0.116 R)
• M41: 23,793,841 km (0.088 R)
• M42: 24,843,120 km (0.118 R)
• M43: 26,009,684 km (0.107 R)
• M44: 27,975,699 km (0.077 R)
• M45: 29,989,137 km (0.096 R)
• M46: 32,984,835 km (0.108 R)
• M47: 33,818,244 km (0.108 R)
• M48: 34,771,183 km (0.099 R)
• M49: 35,109,573 km (0.114 R)
• M50: 35,505,708 km (0.063 R)
• M51: 36,074,330 km (0.045 R)
• M52: 36,588,647 km (0.069 R)
• M53: 36,645,943 km (0.035 R)
• M54: 36,990,317 km (0.092 R)
• M55: 37,624,612 km (0.053 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 499.3

Radius: 6.6

Gravity: 11.46 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 10.4 AU - 14.18 AU

Year: 16497 Days

Day: 19.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 60,226,649 km

• M1: 394,639 km (0.107 R)
• M2: 492,925 km (0.084 R)
• M3: 694,882 km (0.102 R)
• M4: 1,078,750 km (0.095 R)
• M5: 1,417,589 km (0.115 R)
• M6: 1,546,393 km (0.078 R)
• M7: 1,899,145 km (0.035 R)
• M8: 2,012,690 km (0.09 R)
• M9: 2,613,624 km (0.065 R)
• M10: 2,933,764 km (0.076 R)
• M11: 3,199,001 km (0.104 R)
• M12: 3,368,645 km (0.091 R)
• M13: 3,716,909 km (0.116 R)
• M14: 4,560,790 km (0.055 R)
• M15: 4,829,169 km (0.081 R)
• M16: 5,828,782 km (0.117 R)
• M17: 6,544,009 km (0.116 R)
• M18: 7,153,621 km (0.085 R)
• M19: 7,375,773 km (0.098 R)
• M20: 7,826,811 km (0.051 R)
• M21: 8,802,937 km (0.051 R)
• M22: 9,572,169 km (0.083 R)
• M23: 9,669,857 km (0.118 R)
• M24: 10,614,119 km (0.074 R)
• M25: 10,867,537 km (0.1 R)
• M26: 12,164,102 km (0.075 R)
• M27: 12,749,927 km (0.071 R)
• M28: 13,344,878 km (0.113 R)
• M29: 13,563,441 km (0.116 R)
• M30: 13,618,343 km (0.086 R)
• M31: 13,783,349 km (0.093 R)
• M32: 14,505,758 km (0.095 R)
• M33: 14,730,603 km (0.057 R)
• M34: 15,583,760 km (0.115 R)
• M35: 16,452,923 km (0.078 R)
• M36: 17,040,993 km (0.078 R)
• M37: 17,100,233 km (0.091 R)
• M38: 18,359,099 km (0.088 R)
• M39: 19,523,420 km (0.098 R)
• M40: 20,459,603 km (0.063 R)
• M41: 21,091,804 km (0.102 R)
• M42: 21,410,148 km (0.07 R)
• M43: 21,987,446 km (0.1 R)
• M44: 22,375,204 km (0.056 R)
• M45: 22,634,906 km (0.056 R)
• M46: 24,081,218 km (0.103 R)
• M47: 24,280,782 km (0.046 R)
• M48: 24,414,073 km (0.115 R)
• M49: 25,896,588 km (0.086 R)
• M50: 28,877,475 km (0.081 R)
• M51: 29,372,944 km (0.075 R)
• M52: 30,587,828 km (0.117 R)
• M53: 30,803,997 km (0.092 R)
• M54: 31,020,614 km (0.041 R)
• M55: 31,237,681 km (0.11 R)
• M56: 33,140,416 km (0.118 R)
• M57: 33,288,219 km (0.082 R)
• M58: 35,005,004 km (0.064 R)
• M59: 35,080,252 km (0.075 R)
• M60: 35,760,324 km (0.089 R)
• M61: 35,912,016 km (0.104 R)
• M62: 35,988,012 km (0.075 R)
• M63: 36,750,363 km (0.095 R)
• M64: 38,835,009 km (0.063 R)
• M65: 38,912,949 km (0.08 R)
• M66: 39,381,789 km (0.094 R)
• M67: 40,482,829 km (0.075 R)
• M68: 41,037,239 km (0.112 R)
• M69: 41,993,319 km (0.086 R)
• M70: 42,233,424 km (0.088 R)
• M71: 43,037,363 km (0.119 R)
• M72: 44,089,933 km (0.037 R)
• M73: 44,823,711 km (0.068 R)
• M74: 46,137,928 km (0.102 R)
• M75: 46,468,390 km (0.097 R)
• M76: 46,799,749 km (0.113 R)
• M77: 47,048,830 km (0.052 R)
• M78: 47,298,209 km (0.072 R)
• M79: 47,631,513 km (0.116 R)
• M80: 48,552,139 km (0.078 R)
• M81: 48,804,211 km (0.119 R)
• M82: 49,225,329 km (0.095 R)
• M83: 49,394,075 km (0.104 R)
• M84: 49,647,644 km (0.098 R)
• M85: 50,580,985 km (0.067 R)
• M86: 50,666,106 km (0.042 R)
• M87: 50,921,769 km (0.09 R)
• M88: 52,982,629 km (0.094 R)
• M89: 53,502,182 km (0.052 R)
• M90: 53,675,716 km (0.072 R)
• M91: 54,546,226 km (0.092 R)
• M92: 54,633,442 km (0.117 R)
• M93: 54,720,807 km (0.099 R)
• M94: 55,948,556 km (0.093 R)
• M95: 56,212,896 km (0.1 R)
• M96: 57,185,432 km (0.04 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 448 - 14,151 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit