🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.64 AU - 0.7 AU

Year: 207 Days

Day: 44.7 Hours

Environment

Temp: 139 °C

Axial Tilt: 0.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 61,250,831 km

• M1: 289,472 km (0.055 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.67 AU - 0.83 AU

Year: 245 Days

Day: 36.4 Hours

Environment

Temp: 181 °C

Axial Tilt: 48.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.79 AU - 1.23 AU

Year: 382 Days

Day: 20.3 Hours

Environment

Temp: 7 °C

Axial Tilt: 3.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.21 AU - 2.99 AU

Year: 1579 Days

Day: 24.9 Hours

Environment

Temp: -98 °C

Axial Tilt: 29.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.56 AU - 3.62 AU

Year: 2046 Days

Day: 41.8 Hours

Environment

Temp: -105 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 61,250,831 km

• M1: 578,645 km (0.05 R)
• M2: 901,327 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 266.3

Radius: 7.7

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 12.37 AU - 18.79 AU

Year: 23167 Days

Day: 17.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 61,250,831 km

• M1: 111,301 km (0.087 R)
• M2: 176,077 km (0.088 R)
• M3: 429,495 km (0.05 R)
• M4: 660,175 km (0.12 R)
• M5: 718,818 km (0.096 R)
• M6: 1,062,743 km (0.105 R)
• M7: 1,402,480 km (0.112 R)
• M8: 1,611,319 km (0.035 R)
• M9: 1,914,853 km (0.113 R)
• M10: 2,146,879 km (0.025 R)
• M11: 2,326,845 km (0.072 R)
• M12: 3,368,196 km (0.107 R)
• M13: 3,542,478 km (0.114 R)
• M14: 3,648,542 km (0.074 R)
• M15: 3,973,020 km (0.085 R)
• M16: 4,269,374 km (0.046 R)
• M17: 4,458,166 km (0.082 R)
• M18: 5,483,809 km (0.091 R)
• M19: 5,772,084 km (0.118 R)
• M20: 6,841,410 km (0.048 R)
• M21: 6,929,523 km (0.07 R)
• M22: 7,421,401 km (0.107 R)
• M23: 8,063,475 km (0.052 R)
• M24: 8,771,073 km (0.072 R)
• M25: 9,059,647 km (0.098 R)
• M26: 9,253,825 km (0.059 R)
• M27: 9,351,512 km (0.034 R)
• M28: 10,194,796 km (0.118 R)
• M29: 10,907,630 km (0.068 R)
• M30: 11,010,702 km (0.025 R)
• M31: 12,650,295 km (0.04 R)
• M32: 13,250,183 km (0.078 R)
• M33: 13,692,394 km (0.112 R)
• M34: 14,421,235 km (0.051 R)
• M35: 14,591,178 km (0.064 R)
• M36: 14,933,159 km (0.078 R)
• M37: 16,033,301 km (0.103 R)
• M38: 16,563,626 km (0.064 R)
• M39: 16,682,257 km (0.115 R)
• M40: 17,219,463 km (0.099 R)
• M41: 18,310,929 km (0.104 R)
• M42: 19,612,580 km (0.076 R)
• M43: 19,800,924 km (0.057 R)
• M44: 19,863,755 km (0.108 R)
• M45: 20,116,126 km (0.105 R)
• M46: 22,042,498 km (0.105 R)
• M47: 22,961,478 km (0.081 R)
• M48: 23,959,894 km (0.118 R)
• M49: 24,094,083 km (0.108 R)
• M50: 26,067,728 km (0.12 R)
• M51: 28,731,468 km (0.108 R)
• M52: 28,802,826 km (0.086 R)
• M53: 29,231,574 km (0.06 R)
• M54: 31,187,266 km (0.099 R)
• M55: 31,260,569 km (0.098 R)
• M56: 31,407,175 km (0.039 R)
• M57: 31,996,142 km (0.08 R)
• M58: 33,184,847 km (0.115 R)
• M59: 33,409,393 km (0.112 R)
• M60: 33,559,290 km (0.051 R)
• M61: 35,605,340 km (0.093 R)
• M62: 36,142,397 km (0.055 R)
• M63: 36,296,333 km (0.041 R)
• M64: 37,302,229 km (0.106 R)
• M65: 37,847,663 km (0.1 R)
• M66: 37,925,903 km (0.062 R)
• M67: 38,631,406 km (0.116 R)
• M68: 38,867,621 km (0.098 R)
• M69: 39,817,119 km (0.079 R)
• M70: 40,374,521 km (0.1 R)
• M71: 42,548,626 km (0.059 R)
• M72: 42,955,383 km (0.062 R)
• M73: 44,843,009 km (0.089 R)
• M74: 45,505,877 km (0.091 R)
• M75: 45,755,406 km (0.088 R)
• M76: 46,841,487 km (0.094 R)
• M77: 48,105,290 km (0.069 R)
• M78: 48,189,812 km (0.101 R)
• M79: 50,838,443 km (0.101 R)
• M80: 51,356,500 km (0.078 R)
• M81: 53,271,054 km (0.104 R)
• M82: 54,325,120 km (0.115 R)
• M83: 55,830,225 km (0.071 R)
• M84: 56,364,738 km (0.059 R)
• M85: 57,079,965 km (0.08 R)
• M86: 58,700,409 km (0.109 R)
• M87: 59,062,586 km (0.1 R)
• M88: 59,789,033 km (0.071 R)
• M89: 59,879,988 km (0.062 R)
• M90: 60,427,068 km (0.113 R)
• M91: 61,067,496 km (0.045 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: 431 - 19,025 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit