🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.76 AU - 1.2 AU

Year: 349 Days

Day: 38.2 Hours

Environment

Temp: 92 °C

Axial Tilt: 34.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 28,274,202 km

• M1: 321,785 km (0.101 R)
• M2: 798,553 km (0.078 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.12 AU - 1.2 AU

Year: 450 Days

Day: 21.5 Hours

Environment

Temp: 4 °C

Axial Tilt: 17.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.96 AU - 1.52 AU

Year: 497 Days

Day: 13.5 Hours

Environment

Temp: 3 °C

Axial Tilt: 8.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 28,274,202 km

• M1: 48,171 km (0.106 R)
• M2: 921,373 km (0.094 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.78 AU - 2.82 AU

Year: 1255 Days

Day: 16.7 Hours

Environment

Temp: -78 °C

Axial Tilt: 27.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.22 AU - 4.2 AU

Year: 2572 Days

Day: 16.9 Hours

Environment

Temp: -122 °C

Axial Tilt: 25.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3.79 AU - 4.13 AU

Year: 2836 Days

Day: 30.8 Hours

Environment

Temp: -113 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,274,202 km

• M1: 1,476,082 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.1

Radius: 14.6

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 5.74 AU - 8.34 AU

Year: 6722 Days

Day: 13.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 155.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 28,274,202 km

• M1: 191,485 km (0.081 R)
• M2: 299,345 km (0.06 R)
• M3: 432,039 km (0.057 R)
• M4: 747,092 km (0.065 R)
• M5: 877,691 km (0.111 R)
• M6: 1,083,238 km (0.091 R)
• M7: 1,178,682 km (0.06 R)
• M8: 1,637,349 km (0.066 R)
• M9: 1,962,724 km (0.077 R)
• M10: 2,133,266 km (0.08 R)
• M11: 2,656,709 km (0.067 R)
• M12: 2,865,697 km (0.104 R)
• M13: 3,361,464 km (0.114 R)
• M14: 3,714,216 km (0.107 R)
• M15: 3,884,458 km (0.1 R)
• M16: 3,992,169 km (0.106 R)
• M17: 4,232,872 km (0.045 R)
• M18: 4,568,719 km (0.067 R)
• M19: 4,936,879 km (0.118 R)
• M20: 5,195,534 km (0.051 R)
• M21: 5,362,485 km (0.118 R)
• M22: 5,775,525 km (0.108 R)
• M23: 5,973,593 km (0.114 R)
• M24: 6,199,037 km (0.117 R)
• M25: 6,606,990 km (0.075 R)
• M26: 6,840,213 km (0.112 R)
• M27: 7,129,236 km (0.117 R)
• M28: 7,341,815 km (0.103 R)
• M29: 7,773,554 km (0.115 R)
• M30: 8,352,797 km (0.065 R)
• M31: 8,946,102 km (0.111 R)
• M32: 9,846,831 km (0.088 R)
• M33: 9,965,163 km (0.073 R)
• M34: 10,203,323 km (0.117 R)
• M35: 10,624,590 km (0.045 R)
• M36: 10,806,950 km (0.1 R)
• M37: 11,082,360 km (0.114 R)
• M38: 11,205,629 km (0.064 R)
• M39: 11,329,196 km (0.086 R)
• M40: 12,526,428 km (0.051 R)
• M41: 12,977,615 km (0.03 R)
• M42: 13,303,140 km (0.109 R)
• M43: 13,499,861 km (0.087 R)
• M44: 14,162,430 km (0.082 R)
• M45: 14,262,661 km (0.11 R)
• M46: 14,363,191 km (0.071 R)
• M47: 14,531,339 km (0.109 R)
• M48: 15,005,414 km (0.046 R)
• M49: 15,795,441 km (0.076 R)
• M50: 16,669,691 km (0.065 R)
• M51: 16,952,730 km (0.058 R)
• M52: 17,059,244 km (0.112 R)
• M53: 17,237,265 km (0.065 R)
• M54: 17,380,281 km (0.045 R)
• M55: 18,246,153 km (0.119 R)
• M56: 18,904,683 km (0.108 R)
• M57: 19,533,892 km (0.075 R)
• M58: 19,683,041 km (0.09 R)
• M59: 20,207,680 km (0.109 R)
• M60: 20,434,022 km (0.077 R)
• M61: 20,736,958 km (0.117 R)
• M62: 20,850,951 km (0.12 R)
• M63: 21,270,872 km (0.095 R)
• M64: 21,848,021 km (0.119 R)
• M65: 21,963,959 km (0.097 R)
• M66: 22,391,211 km (0.086 R)
• M67: 22,586,287 km (0.053 R)
• M68: 22,742,766 km (0.095 R)
• M69: 24,367,698 km (0.118 R)
• M70: 24,729,276 km (0.087 R)
• M71: 25,661,720 km (0.111 R)
• M72: 26,152,700 km (0.097 R)
• M73: 26,812,277 km (0.111 R)
• M74: 27,435,651 km (0.12 R)
• M75: 27,644,490 km (0.083 R)
• M76: 28,063,813 km (0.083 R)

Kuiper Belt

Range: 30.5 - 45.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 403 - 17,462 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit