🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.69 AU - 1.07 AU

Year: 313 Days

Day: 37.2 Hours

Environment

Temp: 30 °C

Axial Tilt: 29.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.04 AU - 1.26 AU

Year: 467 Days

Day: 38 Hours

Environment

Temp: -15 °C

Axial Tilt: 36.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.42 AU - 2.06 AU

Year: 869 Days

Day: 32.9 Hours

Environment

Temp: -56 °C

Axial Tilt: 21.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.86 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.04 AU - 4.92 AU

Year: 3007 Days

Day: 25.4 Hours

Environment

Temp: -132 °C

Axial Tilt: 7.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,176,963 km

• M1: 55,501 km (0.094 R)

Asteroid Belt

Center: 5.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.6

Radius: 10.9

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 7.13 AU - 7.43 AU

Year: 7440 Days

Day: 13.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 71,176,963 km

• M1: 137,032 km (0.096 R)
• M2: 654,191 km (0.07 R)
• M3: 1,276,070 km (0.098 R)
• M4: 2,246,661 km (0.106 R)
• M5: 3,090,094 km (0.065 R)
• M6: 3,630,740 km (0.105 R)
• M7: 4,058,141 km (0.06 R)
• M8: 4,735,221 km (0.101 R)
• M9: 5,795,272 km (0.103 R)
• M10: 10,385,533 km (0.057 R)
• M11: 12,268,821 km (0.088 R)
• M12: 13,346,823 km (0.101 R)
• M13: 14,023,155 km (0.05 R)
• M14: 16,894,536 km (0.079 R)
• M15: 17,486,046 km (0.117 R)
• M16: 17,955,484 km (0.114 R)
• M17: 18,919,792 km (0.083 R)
• M18: 21,328,916 km (0.091 R)
• M19: 21,711,139 km (0.072 R)
• M20: 23,365,991 km (0.1 R)
• M21: 23,935,809 km (0.071 R)
• M22: 25,188,242 km (0.103 R)
• M23: 25,615,344 km (0.063 R)
• M24: 26,483,909 km (0.11 R)
• M25: 27,282,164 km (0.104 R)
• M26: 29,773,866 km (0.087 R)
• M27: 33,738,209 km (0.105 R)
• M28: 34,993,036 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.7

Radius: 9.7

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 6.45 AU - 10.09 AU

Year: 9008 Days

Day: 5.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 71,176,963 km

• M1: 120,576 km (0.119 R)
• M2: 524,789 km (0.07 R)
• M3: 960,718 km (0.082 R)
• M4: 1,299,108 km (0.084 R)
• M5: 1,703,471 km (0.082 R)
• M6: 2,024,209 km (0.09 R)
• M7: 2,977,297 km (0.096 R)
• M8: 3,471,119 km (0.105 R)
• M9: 6,047,644 km (0.061 R)
• M10: 6,581,858 km (0.054 R)
• M11: 6,955,254 km (0.04 R)
• M12: 8,246,134 km (0.114 R)
• M13: 8,636,435 km (0.062 R)
• M14: 12,106,956 km (0.119 R)
• M15: 12,725,842 km (0.045 R)
• M16: 14,836,070 km (0.076 R)
• M17: 15,414,265 km (0.083 R)
• M18: 16,141,461 km (0.114 R)
• M19: 16,479,402 km (0.11 R)
• M20: 18,095,508 km (0.088 R)
• M21: 19,280,174 km (0.07 R)
• M22: 24,896,975 km (0.104 R)
• M23: 27,305,052 km (0.085 R)
• M24: 27,978,991 km (0.026 R)
• M25: 28,861,768 km (0.117 R)
• M26: 29,560,988 km (0.099 R)
• M27: 32,471,863 km (0.107 R)
• M28: 32,902,705 km (0.028 R)
• M29: 33,556,149 km (0.103 R)
• M30: 35,454,695 km (0.025 R)
• M31: 40,326,051 km (0.089 R)
• M32: 41,074,339 km (0.12 R)
• M33: 42,086,519 km (0.11 R)
• M34: 42,727,545 km (0.113 R)
• M35: 43,375,155 km (0.055 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 695.5

Radius: 7.2

Gravity: 13.42 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 10.96 AU - 15.24 AU

Year: 17958 Days

Day: 23.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 71,176,963 km

• M1: 90,357 km (0.097 R)
• M2: 369,956 km (0.1 R)
• M3: 757,264 km (0.084 R)
• M4: 1,213,688 km (0.066 R)
• M5: 1,666,819 km (0.091 R)
• M6: 2,397,156 km (0.098 R)
• M7: 2,644,142 km (0.115 R)
• M8: 3,959,556 km (0.097 R)
• M9: 4,404,461 km (0.107 R)
• M10: 4,811,816 km (0.086 R)
• M11: 8,099,528 km (0.077 R)
• M12: 8,711,533 km (0.049 R)
• M13: 9,028,830 km (0.101 R)
• M14: 9,408,808 km (0.103 R)
• M15: 11,724,284 km (0.096 R)
• M16: 16,544,477 km (0.111 R)
• M17: 17,196,126 km (0.119 R)
• M18: 21,089,410 km (0.115 R)
• M19: 24,787,320 km (0.09 R)
• M20: 28,662,952 km (0.118 R)
• M21: 41,030,956 km (0.097 R)
• M22: 48,368,732 km (0.036 R)
• M23: 53,835,786 km (0.07 R)
• M24: 63,179,818 km (0.099 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 543 - 15,841 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit