🌌 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: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.44 AU - 0.68 AU

Year: 149 Days

Day: 13.4 Hours

Environment

Temp: 228 °C

Axial Tilt: 9.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.73 AU - 0.75 AU

Year: 227 Days

Day: 32.6 Hours

Environment

Temp: 191 °C

Axial Tilt: 24.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.02 AU - 1.36 AU

Year: 463 Days

Day: 43.1 Hours

Environment

Temp: 27 °C

Axial Tilt: 21.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.15 AU - 1.75 AU

Year: 622 Days

Day: 43.2 Hours

Environment

Temp: 5 °C

Axial Tilt: 39.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 75,003,431 km

• M1: 169,345 km (0.07 R)
• M2: 818,151 km (0.092 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.64 AU - 1.96 AU

Year: 861 Days

Day: 28.7 Hours

Environment

Temp: -39 °C

Axial Tilt: 19.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,003,431 km

• M1: 1,076,057 km (0.114 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.9 AU - 3.68 AU

Year: 2127 Days

Day: 36.2 Hours

Environment

Temp: -99 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.35 AU - 3.37 AU

Year: 2195 Days

Day: 14.1 Hours

Environment

Temp: -107 °C

Axial Tilt: 5.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Ice Giant

Semi-Major Axis: 14.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 646.3

Radius: 4.9

Gravity: 26.92 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 11.43 AU - 18.03 AU

Year: 20151 Days

Day: 15.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 75,003,431 km

• M1: 114,592 km (0.1 R)
• M2: 322,383 km (0.096 R)
• M3: 375,191 km (0.054 R)
• M4: 594,352 km (0.07 R)
• M5: 776,263 km (0.083 R)
• M6: 949,647 km (0.092 R)
• M7: 1,539,063 km (0.086 R)
• M8: 1,662,182 km (0.108 R)
• M9: 1,725,013 km (0.104 R)
• M10: 2,255,337 km (0.051 R)
• M11: 2,647,284 km (0.101 R)
• M12: 2,795,087 km (0.096 R)
• M13: 2,945,582 km (0.071 R)
• M14: 4,156,128 km (0.096 R)
• M15: 4,589,962 km (0.034 R)
• M16: 4,767,535 km (0.095 R)
• M17: 5,975,986 km (0.094 R)
• M18: 6,464,573 km (0.111 R)
• M19: 6,613,722 km (0.071 R)
• M20: 7,118,914 km (0.103 R)
• M21: 8,219,805 km (0.067 R)
• M22: 8,273,510 km (0.107 R)
• M23: 8,381,370 km (0.101 R)
• M24: 9,260,707 km (0.087 R)
• M25: 10,284,405 km (0.102 R)
• M26: 10,575,073 km (0.082 R)
• M27: 10,750,851 km (0.101 R)
• M28: 10,927,526 km (0.086 R)
• M29: 12,375,185 km (0.034 R)
• M30: 12,746,487 km (0.067 R)
• M31: 12,996,016 km (0.118 R)
• M32: 13,247,191 km (0.043 R)
• M33: 14,074,467 km (0.105 R)
• M34: 14,591,926 km (0.043 R)
• M35: 14,722,226 km (0.073 R)
• M36: 14,852,974 km (0.097 R)
• M37: 15,115,518 km (0.098 R)
• M38: 16,248,573 km (0.108 R)
• M39: 16,586,963 km (0.052 R)
• M40: 17,477,669 km (0.088 R)
• M41: 17,616,047 km (0.106 R)
• M42: 17,754,874 km (0.073 R)
• M43: 18,524,555 km (0.074 R)
• M44: 19,591,636 km (0.028 R)
• M45: 19,663,443 km (0.076 R)
• M46: 20,386,749 km (0.112 R)
• M47: 20,605,461 km (0.084 R)
• M48: 20,898,224 km (0.109 R)
• M49: 21,859,390 km (0.097 R)
• M50: 21,933,890 km (0.107 R)
• M51: 22,008,540 km (0.116 R)
• M52: 22,157,988 km (0.084 R)
• M53: 22,683,824 km (0.113 R)
• M54: 22,759,222 km (0.08 R)
• M55: 23,365,841 km (0.083 R)
• M56: 25,452,133 km (0.094 R)
• M57: 25,923,815 km (0.11 R)
• M58: 26,160,628 km (0.094 R)
• M59: 27,275,731 km (0.059 R)
• M60: 27,839,117 km (0.111 R)
• M61: 28,000,682 km (0.063 R)
• M62: 29,141,067 km (0.069 R)
• M63: 30,545,940 km (0.085 R)
• M64: 31,719,536 km (0.105 R)
• M65: 34,283,344 km (0.068 R)
• M66: 37,624,912 km (0.111 R)
• M67: 38,161,968 km (0.104 R)
• M68: 38,881,983 km (0.069 R)
• M69: 40,518,434 km (0.112 R)
• M70: 43,388,768 km (0.082 R)
• M71: 43,576,214 km (0.094 R)
• M72: 45,180,203 km (0.057 R)
• M73: 45,750,918 km (0.082 R)
• M74: 46,419,770 km (0.112 R)
• M75: 47,380,937 km (0.042 R)
• M76: 47,573,918 km (0.088 R)
• M77: 49,225,030 km (0.076 R)
• M78: 49,322,867 km (0.055 R)
• M79: 52,483,421 km (0.092 R)
• M80: 52,783,066 km (0.098 R)
• M81: 53,384,000 km (0.052 R)
• M82: 53,584,910 km (0.101 R)
• M83: 53,785,970 km (0.07 R)
• M84: 54,997,862 km (0.074 R)
• M85: 55,302,144 km (0.059 R)
• M86: 57,757,045 km (0.039 R)
• M87: 59,517,513 km (0.111 R)
• M88: 59,725,753 km (0.115 R)
• M89: 60,038,562 km (0.067 R)
• M90: 63,728,244 km (0.062 R)
• M91: 65,761,878 km (0.036 R)
• M92: 67,707,996 km (0.085 R)
• M93: 68,578,955 km (0.084 R)
• M94: 73,100,551 km (0.107 R)
• M95: 74,217,897 km (0.093 R)
• M96: 74,441,995 km (0.109 R)

Kuiper Belt

Range: 30.8 - 57.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 18,699 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit