🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.46 AU - 0.66 AU

Year: 159 Days

Day: 13.7 Hours

Environment

Temp: 177 °C

Axial Tilt: 39.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.6 AU - 0.72 AU

Year: 203 Days

Day: 22.3 Hours

Environment

Temp: 112 °C

Axial Tilt: 2.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 78,187,568 km

• M1: 79,436 km (0.045 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.6 AU - 0.86 AU

Year: 236 Days

Day: 41.6 Hours

Environment

Temp: 114 °C

Axial Tilt: 45 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 78,187,568 km

• M1: 46,226 km (0.112 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.1 AU - 1.34 AU

Year: 510 Days

Day: 36.8 Hours

Environment

Temp: -34 °C

Axial Tilt: 35.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.18 AU - 1.3 AU

Year: 523 Days

Day: 35.6 Hours

Environment

Temp: -22 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,187,568 km

• M1: 351,854 km (0.105 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.59 AU - 2.47 AU

Year: 1095 Days

Day: 35.5 Hours

Environment

Temp: -73 °C

Axial Tilt: 15.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.86 AU - 2.82 AU

Year: 1356 Days

Day: 19.2 Hours

Environment

Temp: -94 °C

Axial Tilt: 48.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.27 AU - 3.65 AU

Year: 1929 Days

Day: 23.4 Hours

Environment

Temp: -103 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,187,568 km

• M1: 295,456 km (0.079 R)

Planet 9 - Terrestrial

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.97 AU - 4.07 AU

Year: 2501 Days

Day: 23 Hours

Environment

Temp: -128 °C

Axial Tilt: 35.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 10 - Ice Giant

Semi-Major Axis: 15.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 532.5

Radius: 5.3

Gravity: 18.96 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 14.44 AU - 17.02 AU

Year: 23629 Days

Day: 16.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 78,187,568 km

• M1: 132,544 km (0.092 R)
• M2: 181,761 km (0.115 R)
• M3: 320,887 km (0.104 R)
• M4: 577,448 km (0.043 R)
• M5: 621,878 km (0.075 R)
• M6: 762,500 km (0.086 R)
• M7: 1,242,859 km (0.12 R)
• M8: 1,934,001 km (0.041 R)
• M9: 2,210,458 km (0.077 R)
• M10: 2,389,676 km (0.064 R)
• M11: 2,762,025 km (0.058 R)
• M12: 3,033,396 km (0.112 R)
• M13: 3,112,533 km (0.116 R)
• M14: 3,394,824 km (0.102 R)
• M15: 4,379,328 km (0.082 R)
• M16: 6,131,568 km (0.083 R)
• M17: 7,001,031 km (0.073 R)
• M18: 7,370,089 km (0.082 R)
• M19: 7,745,579 km (0.108 R)
• M20: 8,965,550 km (0.109 R)
• M21: 9,655,944 km (0.082 R)
• M22: 10,244,163 km (0.102 R)
• M23: 11,393,374 km (0.104 R)
• M24: 14,009,093 km (0.085 R)
• M25: 16,172,727 km (0.107 R)
• M26: 16,380,817 km (0.107 R)
• M27: 16,799,841 km (0.062 R)
• M28: 19,019,724 km (0.093 R)
• M29: 20,575,093 km (0.112 R)
• M30: 21,481,955 km (0.075 R)
• M31: 21,558,100 km (0.092 R)
• M32: 21,710,840 km (0.079 R)
• M33: 22,247,747 km (0.043 R)
• M34: 23,256,485 km (0.054 R)
• M35: 23,334,725 km (0.049 R)
• M36: 23,884,646 km (0.102 R)
• M37: 24,042,622 km (0.041 R)
• M38: 24,438,907 km (0.068 R)
• M39: 24,597,929 km (0.07 R)
• M40: 25,398,726 km (0.095 R)
• M41: 25,479,360 km (0.093 R)
• M42: 26,045,588 km (0.087 R)
• M43: 26,370,963 km (0.086 R)
• M44: 26,452,494 km (0.119 R)
• M45: 26,616,004 km (0.088 R)
• M46: 26,697,685 km (0.115 R)
• M47: 27,272,889 km (0.088 R)
• M48: 29,953,234 km (0.039 R)
• M49: 30,208,896 km (0.034 R)
• M50: 32,105,049 km (0.073 R)
• M51: 32,192,115 km (0.034 R)
• M52: 33,861,927 km (0.092 R)
• M53: 34,039,350 km (0.083 R)
• M54: 36,101,557 km (0.113 R)
• M55: 36,373,525 km (0.069 R)
• M56: 37,927,548 km (0.12 R)
• M57: 39,223,515 km (0.048 R)
• M58: 40,439,745 km (0.094 R)
• M59: 41,194,466 km (0.108 R)
• M60: 42,048,969 km (0.084 R)
• M61: 42,430,594 km (0.094 R)
• M62: 42,813,415 km (0.085 R)
• M63: 44,162,189 km (0.065 R)
• M64: 44,259,128 km (0.066 R)
• M65: 44,841,962 km (0.088 R)
• M66: 44,939,200 km (0.065 R)
• M67: 46,309,816 km (0.098 R)
• M68: 46,506,836 km (0.101 R)
• M69: 48,092,125 km (0.099 R)
• M70: 48,191,907 km (0.107 R)
• M71: 49,393,327 km (0.117 R)
• M72: 49,896,874 km (0.078 R)
• M73: 51,417,536 km (0.073 R)
• M74: 51,519,412 km (0.11 R)
• M75: 51,621,438 km (0.069 R)
• M76: 51,927,814 km (0.111 R)
• M77: 57,122,152 km (0.116 R)
• M78: 57,333,234 km (0.115 R)
• M79: 63,569,521 km (0.097 R)
• M80: 64,446,464 km (0.065 R)
• M81: 65,769,357 km (0.107 R)
• M82: 67,770,379 km (0.033 R)
• M83: 68,666,171 km (0.083 R)
• M84: 69,003,065 km (0.036 R)
• M85: 69,340,558 km (0.114 R)
• M86: 70,695,915 km (0.025 R)
• M87: 71,263,190 km (0.115 R)
• M88: 71,831,961 km (0.082 R)
• M89: 71,945,954 km (0.11 R)
• M90: 72,630,813 km (0.084 R)
• M91: 73,777,182 km (0.066 R)
• M92: 73,892,223 km (0.102 R)
• M93: 74,814,045 km (0.099 R)
• M94: 75,045,024 km (0.116 R)
• M95: 76,320,196 km (0.109 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 523 - 13,097 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit