🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.6

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.82 AU - 0.94 AU

Year: 306 Days

Day: 15.9 Hours

Environment

Temp: 159 °C

Axial Tilt: 24.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 111,838,335 km

• M1: 202,556 km (0.065 R)
• M2: 237,861 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.04 AU - 1.06 AU

Year: 399 Days

Day: 47.2 Hours

Environment

Temp: 21 °C

Axial Tilt: 31.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.12 AU - 1.46 AU

Year: 543 Days

Day: 20.1 Hours

Environment

Temp: -17 °C

Axial Tilt: 2.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.59 AU - 2.05 AU

Year: 911 Days

Day: 25.8 Hours

Environment

Temp: -67 °C

Axial Tilt: 26.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 111,838,335 km

• M1: 394,789 km (0.053 R)
• M2: 1,482,066 km (0.088 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 965.9

Radius: 5.8

Gravity: 28.71 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 16.84 AU - 20.58 AU

Year: 30013 Days

Day: 22.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 111,838,335 km

• M1: 124,017 km (0.051 R)
• M2: 201,060 km (0.053 R)
• M3: 257,308 km (0.118 R)
• M4: 487,689 km (0.103 R)
• M5: 1,474,586 km (0.077 R)
• M6: 2,841,911 km (0.041 R)
• M7: 3,874,884 km (0.105 R)
• M8: 4,094,195 km (0.094 R)
• M9: 4,545,083 km (0.081 R)
• M10: 5,190,448 km (0.092 R)
• M11: 6,307,196 km (0.107 R)
• M12: 7,495,003 km (0.064 R)
• M13: 9,548,533 km (0.08 R)
• M14: 10,143,932 km (0.109 R)
• M15: 10,445,971 km (0.069 R)
• M16: 12,000,592 km (0.116 R)
• M17: 12,561,584 km (0.052 R)
• M18: 13,213,082 km (0.025 R)
• M19: 13,460,218 km (0.09 R)
• M20: 15,405,290 km (0.044 R)
• M21: 15,578,524 km (0.113 R)
• M22: 15,839,722 km (0.088 R)
• M23: 17,166,804 km (0.074 R)
• M24: 17,526,587 km (0.042 R)
• M25: 17,616,944 km (0.099 R)
• M26: 17,889,063 km (0.111 R)
• M27: 17,980,018 km (0.117 R)
• M28: 18,437,190 km (0.104 R)
• M29: 18,805,649 km (0.075 R)
• M30: 19,831,591 km (0.117 R)
• M31: 20,398,866 km (0.088 R)
• M32: 20,494,011 km (0.104 R)
• M33: 21,743,003 km (0.066 R)
• M34: 22,034,869 km (0.092 R)
• M35: 23,512,896 km (0.111 R)
• M36: 26,356,452 km (0.04 R)
• M37: 26,563,795 km (0.094 R)
• M38: 27,502,970 km (0.098 R)
• M39: 28,453,066 km (0.11 R)
• M40: 28,665,645 km (0.109 R)
• M41: 29,199,410 km (0.116 R)
• M42: 29,844,326 km (0.065 R)
• M43: 30,168,505 km (0.071 R)
• M44: 31,917,155 km (0.043 R)
• M45: 32,470,367 km (0.094 R)
• M46: 34,261,802 km (0.076 R)
• M47: 34,828,179 km (0.063 R)
• M48: 35,855,318 km (0.108 R)
• M49: 38,525,341 km (0.116 R)
• M50: 40,778,884 km (0.093 R)
• M51: 44,176,700 km (0.072 R)
• M52: 45,784,877 km (0.077 R)
• M53: 46,533,614 km (0.073 R)
• M54: 46,784,041 km (0.072 R)
• M55: 47,286,391 km (0.102 R)
• M56: 50,337,290 km (0.113 R)
• M57: 52,406,378 km (0.038 R)
• M58: 55,163,916 km (0.027 R)
• M59: 55,960,524 km (0.078 R)
• M60: 59,591,564 km (0.046 R)
• M61: 59,999,667 km (0.079 R)
• M62: 61,229,660 km (0.094 R)
• M63: 62,054,244 km (0.047 R)
• M64: 62,467,882 km (0.1 R)
• M65: 63,714,332 km (0.117 R)
• M66: 69,209,959 km (0.087 R)
• M67: 70,212,265 km (0.12 R)
• M68: 71,652,443 km (0.1 R)
• M69: 72,231,237 km (0.102 R)
• M70: 73,247,905 km (0.08 R)
• M71: 75,736,615 km (0.092 R)
• M72: 77,065,343 km (0.12 R)
• M73: 82,305,308 km (0.098 R)
• M74: 82,759,786 km (0.1 R)
• M75: 83,215,012 km (0.043 R)
• M76: 83,975,718 km (0.045 R)
• M77: 85,197,633 km (0.091 R)
• M78: 85,504,009 km (0.118 R)
• M79: 89,053,668 km (0.098 R)
• M80: 90,924,838 km (0.042 R)
• M81: 92,493,970 km (0.042 R)
• M82: 93,124,076 km (0.059 R)
• M83: 93,597,553 km (0.062 R)
• M84: 96,455,621 km (0.047 R)
• M85: 101,769,337 km (0.057 R)
• M86: 105,364,174 km (0.031 R)
• M87: 105,528,582 km (0.119 R)
• M88: 105,857,548 km (0.077 R)
• M89: 108,004,726 km (0.108 R)
• M90: 108,668,192 km (0.105 R)
• M91: 110,499,869 km (0.076 R)
• M92: 111,838,321 km (0.051 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 19,911 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit