🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.61 AU - 0.63 AU

Year: 187 Days

Day: 14.7 Hours

Environment

Temp: 153 °C

Axial Tilt: 14.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.69 AU - 0.85 AU

Year: 259 Days

Day: 31.5 Hours

Environment

Temp: 139 °C

Axial Tilt: 19.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.76 AU - 1.02 AU

Year: 321 Days

Day: 43.8 Hours

Environment

Temp: 34 °C

Axial Tilt: 26.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.79 AU - 1.29 AU

Year: 406 Days

Day: 19.5 Hours

Environment

Temp: -0 °C

Axial Tilt: 157.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.85 AU - 3.35 AU

Year: 2090 Days

Day: 19.9 Hours

Environment

Temp: -127 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.94 AU - 3.28 AU

Year: 2100 Days

Day: 15.3 Hours

Environment

Temp: -108 °C

Axial Tilt: 24.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 34,939,798 km

• M1: 54,005 km (0.116 R)

Asteroid Belt

Center: 4.95 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.1

Radius: 14.4

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 6.22 AU - 7.36 AU

Year: 6774 Days

Day: 8.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 34,939,798 km

• M1: 182,210 km (0.078 R)
• M2: 277,354 km (0.119 R)
• M3: 499,956 km (0.065 R)
• M4: 615,296 km (0.068 R)
• M5: 728,691 km (0.094 R)
• M6: 864,676 km (0.064 R)
• M7: 1,361,789 km (0.047 R)
• M8: 1,534,725 km (0.104 R)
• M9: 2,138,202 km (0.114 R)
• M10: 2,320,861 km (0.101 R)
• M11: 2,424,682 km (0.059 R)
• M12: 2,680,345 km (0.071 R)
• M13: 3,103,557 km (0.12 R)
• M14: 3,668,589 km (0.107 R)
• M15: 3,790,511 km (0.085 R)
• M16: 4,088,659 km (0.067 R)
• M17: 4,446,198 km (0.085 R)
• M18: 4,681,516 km (0.114 R)
• M19: 4,787,431 km (0.088 R)
• M20: 5,356,950 km (0.119 R)
• M21: 5,635,801 km (0.096 R)
• M22: 5,976,734 km (0.073 R)
• M23: 6,530,545 km (0.11 R)
• M24: 6,768,705 km (0.075 R)
• M25: 6,888,832 km (0.092 R)
• M26: 6,979,489 km (0.117 R)
• M27: 7,562,621 km (0.108 R)
• M28: 7,750,067 km (0.102 R)
• M29: 7,907,444 km (0.055 R)
• M30: 8,289,517 km (0.061 R)
• M31: 8,808,622 km (0.072 R)
• M32: 10,117,603 km (0.112 R)
• M33: 10,847,641 km (0.061 R)
• M34: 11,738,945 km (0.106 R)
• M35: 12,358,430 km (0.09 R)
• M36: 13,213,531 km (0.081 R)
• M37: 13,553,417 km (0.069 R)
• M38: 13,705,409 km (0.12 R)
• M39: 14,164,824 km (0.073 R)
• M40: 14,319,059 km (0.033 R)
• M41: 15,020,075 km (0.032 R)
• M42: 15,533,345 km (0.076 R)
• M43: 15,812,196 km (0.052 R)
• M44: 15,932,173 km (0.099 R)
• M45: 16,052,450 km (0.045 R)
• M46: 16,173,175 km (0.045 R)
• M47: 17,437,128 km (0.077 R)
• M48: 17,851,514 km (0.061 R)
• M49: 18,944,476 km (0.113 R)
• M50: 19,670,923 km (0.027 R)
• M51: 20,102,363 km (0.091 R)
• M52: 20,449,879 km (0.116 R)
• M53: 20,711,825 km (0.083 R)
• M54: 20,843,172 km (0.115 R)
• M55: 21,062,782 km (0.082 R)
• M56: 21,327,420 km (0.116 R)
• M57: 21,592,957 km (0.057 R)
• M58: 22,127,619 km (0.066 R)
• M59: 22,937,692 km (0.069 R)
• M60: 23,164,482 km (0.117 R)
• M61: 23,574,530 km (0.078 R)
• M62: 24,032,898 km (0.098 R)
• M63: 24,586,859 km (0.114 R)
• M64: 25,098,484 km (0.088 R)
• M65: 25,519,602 km (0.082 R)
• M66: 26,321,596 km (0.108 R)
• M67: 27,371,623 km (0.109 R)
• M68: 27,708,667 km (0.073 R)
• M69: 28,240,936 km (0.069 R)
• M70: 28,435,414 km (0.045 R)
• M71: 32,010,504 km (0.071 R)
• M72: 32,721,991 km (0.062 R)
• M73: 33,438,714 km (0.109 R)
• M74: 33,541,488 km (0.057 R)
• M75: 34,057,152 km (0.074 R)
• M76: 34,160,674 km (0.091 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 318 - 15,518 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit