🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.71 AU - 0.81 AU

Year: 250 Days

Day: 12.3 Hours

Environment

Temp: 166 °C

Axial Tilt: 18.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 55,738,172 km

• M1: 27,676 km (0.104 R)
• M2: 41,588 km (0.102 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.73 AU - 1.03 AU

Year: 311 Days

Day: 23.9 Hours

Environment

Temp: 29 °C

Axial Tilt: 14 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.01 AU - 1.09 AU

Year: 405 Days

Day: 37.6 Hours

Environment

Temp: 5 °C

Axial Tilt: 20.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.1 AU - 1.26 AU

Year: 483 Days

Day: 43.6 Hours

Environment

Temp: -12 °C

Axial Tilt: 23.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Ice Giant

Semi-Major Axis: 11.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 442.5

Radius: 5.7

Gravity: 13.62 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 9.04 AU - 14.9 AU

Year: 15602 Days

Day: 15.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 55,738,172 km

• M1: 75,846 km (0.052 R)
• M2: 135,087 km (0.097 R)
• M3: 467,045 km (0.072 R)
• M4: 584,628 km (0.09 R)
• M5: 674,686 km (0.106 R)
• M6: 788,979 km (0.093 R)
• M7: 951,143 km (0.056 R)
• M8: 1,014,722 km (0.064 R)
• M9: 1,330,523 km (0.088 R)
• M10: 1,426,117 km (0.077 R)
• M11: 1,726,659 km (0.079 R)
• M12: 2,074,174 km (0.118 R)
• M13: 2,157,500 km (0.115 R)
• M14: 2,241,874 km (0.049 R)
• M15: 2,832,037 km (0.088 R)
• M16: 3,112,832 km (0.117 R)
• M17: 3,667,093 km (0.112 R)
• M18: 4,216,266 km (0.108 R)
• M19: 4,286,727 km (0.096 R)
• M20: 5,389,712 km (0.083 R)
• M21: 5,893,707 km (0.099 R)
• M22: 6,372,121 km (0.074 R)
• M23: 6,697,945 km (0.103 R)
• M24: 7,281,228 km (0.078 R)
• M25: 7,750,965 km (0.074 R)
• M26: 7,967,732 km (0.085 R)
• M27: 8,451,532 km (0.052 R)
• M28: 11,646,942 km (0.067 R)
• M29: 11,696,459 km (0.109 R)
• M30: 13,576,755 km (0.115 R)
• M31: 14,259,519 km (0.099 R)
• M32: 14,899,499 km (0.049 R)
• M33: 15,114,920 km (0.107 R)
• M34: 15,277,234 km (0.079 R)
• M35: 15,986,926 km (0.072 R)
• M36: 16,819,139 km (0.061 R)
• M37: 16,931,188 km (0.099 R)
• M38: 17,836,255 km (0.108 R)
• M39: 18,237,177 km (0.039 R)
• M40: 18,525,452 km (0.054 R)
• M41: 19,047,998 km (0.099 R)
• M42: 21,186,200 km (0.104 R)
• M43: 21,915,639 km (0.059 R)
• M44: 22,038,010 km (0.072 R)
• M45: 23,274,287 km (0.087 R)
• M46: 23,461,584 km (0.047 R)
• M47: 23,649,479 km (0.104 R)
• M48: 24,026,764 km (0.076 R)
• M49: 24,153,025 km (0.12 R)
• M50: 24,660,012 km (0.084 R)
• M51: 24,914,777 km (0.118 R)
• M52: 26,526,994 km (0.084 R)
• M53: 26,984,464 km (0.096 R)
• M54: 27,247,008 km (0.059 R)
• M55: 28,305,712 km (0.102 R)
• M56: 28,639,316 km (0.065 R)
• M57: 28,907,245 km (0.118 R)
• M58: 30,054,661 km (0.066 R)
• M59: 30,599,796 km (0.053 R)
• M60: 31,561,710 km (0.099 R)
• M61: 31,630,824 km (0.111 R)
• M62: 31,907,580 km (0.089 R)
• M63: 32,673,073 km (0.077 R)
• M64: 32,882,958 km (0.102 R)
• M65: 32,952,970 km (0.118 R)
• M66: 33,163,305 km (0.113 R)
• M67: 33,233,616 km (0.107 R)
• M68: 34,009,430 km (0.076 R)
• M69: 34,506,245 km (0.104 R)
• M70: 35,435,248 km (0.102 R)
• M71: 36,011,050 km (0.099 R)
• M72: 36,953,367 km (0.104 R)
• M73: 37,391,090 km (0.11 R)
• M74: 37,903,762 km (0.097 R)
• M75: 38,714,134 km (0.108 R)
• M76: 39,604,839 km (0.09 R)
• M77: 42,851,113 km (0.11 R)
• M78: 43,310,828 km (0.102 R)
• M79: 44,080,658 km (0.048 R)
• M80: 44,622,202 km (0.114 R)
• M81: 45,010,409 km (0.058 R)
• M82: 45,243,931 km (0.077 R)
• M83: 46,103,371 km (0.032 R)
• M84: 46,968,196 km (0.096 R)
• M85: 47,758,971 km (0.104 R)
• M86: 49,033,395 km (0.051 R)
• M87: 49,434,018 km (0.113 R)
• M88: 49,835,688 km (0.076 R)
• M89: 50,077,139 km (0.089 R)
• M90: 50,319,039 km (0.079 R)
• M91: 54,490,426 km (0.099 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 493 - 16,470 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit