🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.53 AU - 0.75 AU

Year: 191 Days

Day: 25.9 Hours

Environment

Temp: 212 °C

Axial Tilt: 5.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 19,035,620 km

• M1: 598,990 km (0.109 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.93 AU - 1.09 AU

Year: 378 Days

Day: 33.6 Hours

Environment

Temp: 5 °C

Axial Tilt: 43.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 19,035,620 km

• M1: 240,404 km (0.091 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.97 AU - 1.55 AU

Year: 527 Days

Day: 25.9 Hours

Environment

Temp: -11 °C

Axial Tilt: 39.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.2 AU - 1.64 AU

Year: 631 Days

Day: 37.8 Hours

Environment

Temp: -48 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 19,035,620 km

• M1: 44,281 km (0.078 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.34 AU - 1.52 AU

Year: 637 Days

Day: 26.1 Hours

Environment

Temp: -46 °C

Axial Tilt: 66.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 19,035,620 km

• M1: 846,126 km (0.116 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.61 AU - 1.67 AU

Year: 783 Days

Day: 13.5 Hours

Environment

Temp: -52 °C

Axial Tilt: 34.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.69 AU - 1.83 AU

Year: 870 Days

Day: 14.7 Hours

Environment

Temp: -55 °C

Axial Tilt: 28.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.73 AU - 2.63 AU

Year: 1200 Days

Day: 45.6 Hours

Environment

Temp: -71 °C

Axial Tilt: 37.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Terrestrial

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.99 AU - 3.21 AU

Year: 1563 Days

Day: 24.5 Hours

Environment

Temp: -105 °C

Axial Tilt: 7.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.84 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.5

Radius: 8.2

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 4.62 AU - 5.54 AU

Year: 4268 Days

Day: 5.9 Hours

Environment

Temp: -137 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 19,035,620 km

• M1: 102,624 km (0.038 R)
• M2: 163,810 km (0.106 R)
• M3: 326,423 km (0.118 R)
• M4: 506,538 km (0.115 R)
• M5: 621,729 km (0.119 R)
• M6: 700,716 km (0.083 R)
• M7: 802,144 km (0.034 R)
• M8: 879,187 km (0.119 R)
• M9: 1,180,028 km (0.103 R)
• M10: 1,279,810 km (0.062 R)
• M11: 1,336,507 km (0.049 R)
• M12: 1,782,758 km (0.093 R)
• M13: 1,911,113 km (0.026 R)
• M14: 2,176,799 km (0.066 R)
• M15: 2,468,664 km (0.084 R)
• M16: 2,540,022 km (0.076 R)
• M17: 2,612,128 km (0.054 R)
• M18: 3,120,163 km (0.084 R)
• M19: 3,182,096 km (0.032 R)
• M20: 3,465,285 km (0.083 R)
• M21: 4,328,764 km (0.074 R)
• M22: 4,449,938 km (0.084 R)
• M23: 4,519,651 km (0.116 R)
• M24: 4,624,968 km (0.073 R)
• M25: 5,200,471 km (0.1 R)
• M26: 5,422,025 km (0.08 R)
• M27: 5,534,074 km (0.113 R)
• M28: 5,817,412 km (0.105 R)
• M29: 5,913,005 km (0.102 R)
• M30: 5,989,749 km (0.11 R)
• M31: 6,086,240 km (0.11 R)
• M32: 6,359,106 km (0.106 R)
• M33: 6,437,795 km (0.106 R)
• M34: 6,556,426 km (0.047 R)
• M35: 6,655,908 km (0.104 R)
• M36: 6,796,082 km (0.104 R)
• M37: 7,099,466 km (0.045 R)
• M38: 7,448,777 km (0.102 R)
• M39: 7,552,598 km (0.064 R)
• M40: 7,993,912 km (0.108 R)
• M41: 8,207,089 km (0.081 R)
• M42: 8,292,808 km (0.111 R)
• M43: 8,879,531 km (0.11 R)
• M44: 8,945,504 km (0.12 R)
• M45: 9,841,446 km (0.089 R)
• M46: 10,207,811 km (0.08 R)
• M47: 10,300,113 km (0.115 R)
• M48: 10,369,526 km (0.067 R)
• M49: 10,930,368 km (0.076 R)
• M50: 11,262,027 km (0.044 R)
• M51: 11,621,211 km (0.118 R)
• M52: 11,789,958 km (0.1 R)
• M53: 11,935,367 km (0.072 R)
• M54: 12,081,374 km (0.099 R)
• M55: 12,179,062 km (0.112 R)
• M56: 12,547,671 km (0.053 R)
• M57: 13,396,489 km (0.11 R)
• M58: 13,548,331 km (0.12 R)
• M59: 13,955,686 km (0.051 R)
• M60: 14,032,579 km (0.049 R)
• M61: 14,109,622 km (0.103 R)
• M62: 14,212,396 km (0.06 R)
• M63: 14,652,513 km (0.107 R)
• M64: 15,044,459 km (0.115 R)
• M65: 15,096,968 km (0.107 R)
• M66: 15,307,602 km (0.047 R)
• M67: 15,413,368 km (0.042 R)
• M68: 15,705,383 km (0.094 R)
• M69: 15,785,268 km (0.034 R)
• M70: 16,079,527 km (0.104 R)
• M71: 16,456,813 km (0.087 R)
• M72: 16,973,374 km (0.115 R)
• M73: 17,137,633 km (0.082 R)
• M74: 17,994,529 km (0.027 R)
• M75: 18,050,329 km (0.114 R)
• M76: 18,978,883 km (0.096 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 12,905 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit