🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.52 AU - 0.56 AU

Year: 140 Days

Day: 20.1 Hours

Environment

Temp: 257 °C

Axial Tilt: 20.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 39,590,864 km

• M1: 307,573 km (0.089 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.07 AU - 1.31 AU

Year: 458 Days

Day: 42.6 Hours

Environment

Temp: 13 °C

Axial Tilt: 31 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 39,590,864 km

• M1: 767,736 km (0.093 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.04 AU - 1.54 AU

Year: 517 Days

Day: 31.6 Hours

Environment

Temp: 17 °C

Axial Tilt: 43 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.31 AU - 1.39 AU

Year: 554 Days

Day: 44 Hours

Environment

Temp: -3 °C

Axial Tilt: 49 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 39,590,864 km

• M1: 284,236 km (0.062 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.34 AU - 1.68 AU

Year: 655 Days

Day: 24.5 Hours

Environment

Temp: -15 °C

Axial Tilt: 7.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 39,590,864 km

• M1: 609,911 km (0.049 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.15 AU - 2.33 AU

Year: 1184 Days

Day: 39.8 Hours

Environment

Temp: -56 °C

Axial Tilt: 7.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.71 AU - 3.61 AU

Year: 1983 Days

Day: 20.7 Hours

Environment

Temp: -92 °C

Axial Tilt: 27.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.05 AU - 5.39 AU

Year: 3621 Days

Day: 20 Hours

Environment

Temp: -133 °C

Axial Tilt: 11.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Gas Giant

Semi-Major Axis: 12.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.2

Radius: 10.2

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 10.9 AU - 13.96 AU

Year: 15474 Days

Day: 13.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 39,590,864 km

• M1: 321,785 km (0.049 R)
• M2: 622,028 km (0.052 R)
• M3: 692,339 km (0.114 R)
• M4: 1,319,004 km (0.114 R)
• M5: 1,706,164 km (0.118 R)
• M6: 2,128,030 km (0.106 R)
• M7: 2,465,523 km (0.083 R)
• M8: 2,747,814 km (0.05 R)
• M9: 3,292,500 km (0.051 R)
• M10: 3,551,304 km (0.093 R)
• M11: 3,762,985 km (0.082 R)
• M12: 3,843,468 km (0.094 R)
• M13: 4,226,888 km (0.1 R)
• M14: 4,338,787 km (0.104 R)
• M15: 5,178,779 km (0.028 R)
• M16: 5,880,244 km (0.066 R)
• M17: 7,404,945 km (0.074 R)
• M18: 7,676,166 km (0.095 R)
• M19: 8,474,121 km (0.064 R)
• M20: 8,829,266 km (0.115 R)
• M21: 8,972,731 km (0.047 R)
• M22: 9,334,758 km (0.075 R)
• M23: 9,849,673 km (0.101 R)
• M24: 9,923,874 km (0.079 R)
• M25: 10,677,398 km (0.093 R)
• M26: 11,176,906 km (0.07 R)
• M27: 11,762,881 km (0.112 R)
• M28: 11,841,868 km (0.057 R)
• M29: 12,079,579 km (0.113 R)
• M30: 12,721,205 km (0.119 R)
• M31: 13,046,281 km (0.066 R)
• M32: 13,250,781 km (0.097 R)
• M33: 13,787,538 km (0.056 R)
• M34: 14,289,289 km (0.038 R)
• M35: 14,542,409 km (0.061 R)
• M36: 14,797,025 km (0.106 R)
• M37: 15,613,231 km (0.088 R)
• M38: 16,532,210 km (0.076 R)
• M39: 16,753,466 km (0.049 R)
• M40: 17,739,316 km (0.064 R)
• M41: 19,392,671 km (0.081 R)
• M42: 19,486,020 km (0.061 R)
• M43: 19,579,519 km (0.117 R)
• M44: 20,143,353 km (0.109 R)
• M45: 20,237,750 km (0.043 R)
• M46: 20,664,851 km (0.115 R)
• M47: 21,238,858 km (0.117 R)
• M48: 21,818,101 km (0.047 R)
• M49: 21,915,190 km (0.12 R)
• M50: 22,012,429 km (0.11 R)
• M51: 23,537,280 km (0.096 R)
• M52: 23,936,258 km (0.094 R)
• M53: 24,236,949 km (0.066 R)
• M54: 24,488,573 km (0.115 R)
• M55: 24,842,222 km (0.085 R)
• M56: 24,943,650 km (0.075 R)
• M57: 25,708,244 km (0.079 R)
• M58: 25,810,719 km (0.114 R)
• M59: 26,532,230 km (0.096 R)
• M60: 27,574,478 km (0.062 R)
• M61: 27,732,004 km (0.052 R)
• M62: 27,889,830 km (0.051 R)
• M63: 27,995,147 km (0.096 R)
• M64: 28,471,018 km (0.081 R)
• M65: 28,577,083 km (0.077 R)
• M66: 30,022,198 km (0.032 R)
• M67: 30,130,058 km (0.045 R)
• M68: 31,600,605 km (0.116 R)
• M69: 32,427,582 km (0.11 R)
• M70: 32,760,438 km (0.059 R)
• M71: 33,597,438 km (0.067 R)
• M72: 33,877,934 km (0.064 R)
• M73: 35,634,811 km (0.077 R)
• M74: 35,920,842 km (0.111 R)
• M75: 36,553,043 km (0.092 R)
• M76: 36,668,383 km (0.099 R)
• M77: 37,828,365 km (0.103 R)
• M78: 37,945,051 km (0.115 R)
• M79: 39,354,263 km (0.075 R)

Kuiper Belt

Range: 31.1 - 53.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 16,115 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit