🌌 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: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.63 AU - 0.73 AU

Year: 208 Days

Day: 32.8 Hours

Environment

Temp: 105 °C

Axial Tilt: 36 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.36

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.9 AU - 0.98 AU

Year: 338 Days

Day: 16.2 Hours

Environment

Temp: 40 °C

Axial Tilt: 4.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.73 AU - 1.15 AU

Year: 338 Days

Day: 45.5 Hours

Environment

Temp: 33 °C

Axial Tilt: 4.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.95 AU - 1.27 AU

Year: 434 Days

Day: 20.5 Hours

Environment

Temp: -3 °C

Axial Tilt: 45.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.26 AU - 1.44 AU

Year: 582 Days

Day: 36.4 Hours

Environment

Temp: -25 °C

Axial Tilt: 42.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,537,339 km

• M1: 598,840 km (0.081 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.83 AU - 1.83 AU

Year: 918 Days

Day: 35.2 Hours

Environment

Temp: -61 °C

Axial Tilt: 36 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,537,339 km

• M1: 530,624 km (0.118 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.42 AU - 3.98 AU

Year: 2123 Days

Day: 26.1 Hours

Environment

Temp: -102 °C

Axial Tilt: 32 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 28,537,339 km

• M1: 389,702 km (0.119 R)
• M2: 677,678 km (0.101 R)

Asteroid Belt

Center: 4.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.3

Radius: 8.3

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.35 AU - 7.21 AU

Year: 5153 Days

Day: 13.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 28,537,339 km

• M1: 127,457 km (0.119 R)
• M2: 430,692 km (0.101 R)
• M3: 500,405 km (0.073 R)
• M4: 552,914 km (0.102 R)
• M5: 664,065 km (0.057 R)
• M6: 975,528 km (0.076 R)
• M7: 1,154,746 km (0.098 R)
• M8: 1,255,725 km (0.084 R)
• M9: 1,329,775 km (0.113 R)
• M10: 1,405,322 km (0.082 R)
• M11: 1,755,082 km (0.113 R)
• M12: 1,855,163 km (0.114 R)
• M13: 2,008,950 km (0.065 R)
• M14: 2,220,631 km (0.076 R)
• M15: 2,365,741 km (0.047 R)
• M16: 2,551,691 km (0.103 R)
• M17: 2,918,056 km (0.073 R)
• M18: 3,137,965 km (0.118 R)
• M19: 3,938,314 km (0.07 R)
• M20: 4,159,120 km (0.104 R)
• M21: 4,226,140 km (0.064 R)
• M22: 4,659,076 km (0.11 R)
• M23: 4,845,625 km (0.098 R)
• M24: 5,226,202 km (0.026 R)
• M25: 5,298,607 km (0.085 R)
• M26: 6,296,275 km (0.093 R)
• M27: 6,450,810 km (0.074 R)
• M28: 7,028,557 km (0.108 R)
• M29: 7,404,646 km (0.063 R)
• M30: 8,204,845 km (0.118 R)
• M31: 8,430,438 km (0.075 R)
• M32: 9,032,271 km (0.099 R)
• M33: 9,265,195 km (0.074 R)
• M34: 9,323,687 km (0.062 R)
• M35: 9,945,865 km (0.115 R)
• M36: 10,095,911 km (0.116 R)
• M37: 11,043,315 km (0.103 R)
• M38: 11,105,398 km (0.051 R)
• M39: 11,167,631 km (0.11 R)
• M40: 11,230,013 km (0.075 R)
• M41: 11,355,077 km (0.028 R)
• M42: 11,512,005 km (0.076 R)
• M43: 11,732,811 km (0.064 R)
• M44: 11,923,399 km (0.094 R)
• M45: 12,210,926 km (0.093 R)
• M46: 12,468,534 km (0.026 R)
• M47: 12,533,310 km (0.067 R)
• M48: 12,695,474 km (0.08 R)
• M49: 13,087,570 km (0.118 R)
• M50: 13,384,372 km (0.094 R)
• M51: 13,550,126 km (0.108 R)
• M52: 13,950,899 km (0.119 R)
• M53: 14,355,412 km (0.098 R)
• M54: 15,245,369 km (0.085 R)
• M55: 16,294,200 km (0.115 R)
• M56: 16,435,869 km (0.05 R)
• M57: 16,684,651 km (0.067 R)
• M58: 16,791,763 km (0.109 R)
• M59: 16,934,778 km (0.095 R)
• M60: 17,222,006 km (0.089 R)
• M61: 17,583,435 km (0.092 R)
• M62: 18,093,563 km (0.047 R)
• M63: 18,682,680 km (0.112 R)
• M64: 18,793,831 km (0.079 R)
• M65: 19,053,982 km (0.073 R)
• M66: 19,728,518 km (0.085 R)
• M67: 20,448,982 km (0.041 R)
• M68: 20,870,100 km (0.115 R)
• M69: 21,062,483 km (0.106 R)
• M70: 21,255,314 km (0.116 R)
• M71: 21,837,699 km (0.098 R)
• M72: 22,346,631 km (0.103 R)
• M73: 22,978,383 km (0.108 R)
• M74: 23,097,462 km (0.099 R)
• M75: 23,776,338 km (0.111 R)
• M76: 25,235,366 km (0.044 R)
• M77: 25,645,713 km (0.116 R)
• M78: 25,893,147 km (0.049 R)
• M79: 26,390,112 km (0.029 R)
• M80: 27,604,248 km (0.102 R)
• M81: 28,239,291 km (0.049 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 150 - 15,838 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit