🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.64 AU - 0.8 AU

Year: 219 Days

Day: 22.5 Hours

Environment

Temp: 155 °C

Axial Tilt: 32.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 64,987,706 km

• M1: 29,770 km (0.087 R)
• M2: 307,872 km (0.084 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.66 AU - 0.86 AU

Year: 237 Days

Day: 21 Hours

Environment

Temp: 146 °C

Axial Tilt: 15.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.02 AU - 1.12 AU

Year: 396 Days

Day: 27.7 Hours

Environment

Temp: 23 °C

Axial Tilt: 37.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.33 AU - 4.31 AU

Year: 2674 Days

Day: 13.4 Hours

Environment

Temp: -114 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 64,987,706 km

• M1: 81,531 km (0.085 R)
• M2: 697,276 km (0.102 R)

Asteroid Belt

Center: 6.95 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 10.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.5

Radius: 13.5

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 7.74 AU - 12.42 AU

Year: 11462 Days

Day: 12 Hours

Environment

Temp: -162 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,987,706 km

• M1: 167,998 km (0.11 R)
• M2: 759,808 km (0.085 R)
• M3: 1,180,776 km (0.074 R)
• M4: 1,957,937 km (0.116 R)
• M5: 3,135,272 km (0.068 R)
• M6: 4,634,841 km (0.059 R)
• M7: 7,225,428 km (0.078 R)
• M8: 8,000,793 km (0.097 R)
• M9: 11,086,549 km (0.084 R)
• M10: 13,429,999 km (0.094 R)
• M11: 15,721,689 km (0.055 R)
• M12: 16,770,669 km (0.056 R)
• M13: 17,538,705 km (0.119 R)
• M14: 19,492,154 km (0.116 R)
• M15: 21,363,174 km (0.089 R)
• M16: 23,827,350 km (0.102 R)
• M17: 25,879,983 km (0.045 R)
• M18: 28,857,429 km (0.098 R)
• M19: 29,774,913 km (0.08 R)
• M20: 30,711,844 km (0.071 R)
• M21: 32,251,506 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.4

Radius: 10.3

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 9.19 AU - 12.45 AU

Year: 12747 Days

Day: 10.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 64,987,706 km

• M1: 216,169 km (0.074 R)
• M2: 2,232,449 km (0.06 R)
• M3: 2,983,879 km (0.076 R)
• M4: 5,598,551 km (0.113 R)
• M5: 13,349,366 km (0.091 R)
• M6: 14,853,124 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.9

Radius: 12.2

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 9.3 AU - 13.08 AU

Year: 13407 Days

Day: 6.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,987,706 km

• M1: 151,991 km (0.117 R)
• M2: 555,606 km (0.079 R)
• M3: 1,242,111 km (0.042 R)
• M4: 1,770,940 km (0.059 R)
• M5: 2,321,161 km (0.118 R)
• M6: 3,453,467 km (0.09 R)
• M7: 4,130,248 km (0.103 R)
• M8: 7,080,617 km (0.063 R)
• M9: 7,675,268 km (0.067 R)
• M10: 9,239,314 km (0.108 R)
• M11: 10,851,082 km (0.116 R)
• M12: 11,321,567 km (0.083 R)
• M13: 12,815,152 km (0.111 R)
• M14: 14,064,743 km (0.083 R)
• M15: 14,687,669 km (0.1 R)
• M16: 16,944,053 km (0.099 R)
• M17: 19,119,206 km (0.114 R)
• M18: 21,474,475 km (0.077 R)
• M19: 22,133,903 km (0.104 R)
• M20: 23,666,982 km (0.08 R)
• M21: 28,988,926 km (0.111 R)
• M22: 29,389,848 km (0.057 R)
• M23: 37,969,286 km (0.116 R)
• M24: 43,608,228 km (0.1 R)
• M25: 44,134,962 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 460.9

Radius: 5.4

Gravity: 15.81 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 11.85 AU - 16.63 AU

Year: 19246 Days

Day: 20.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 64,987,706 km

• M1: 67,319 km (0.047 R)
• M2: 249,080 km (0.053 R)
• M3: 586,573 km (0.094 R)
• M4: 888,312 km (0.032 R)
• M5: 1,302,848 km (0.036 R)
• M6: 1,650,513 km (0.087 R)
• M7: 1,837,660 km (0.099 R)
• M8: 2,551,840 km (0.117 R)
• M9: 3,830,005 km (0.08 R)
• M10: 5,228,745 km (0.113 R)
• M11: 6,062,304 km (0.118 R)
• M12: 6,807,451 km (0.096 R)
• M13: 7,565,613 km (0.084 R)
• M14: 7,893,532 km (0.101 R)
• M15: 9,677,785 km (0.11 R)
• M16: 9,952,896 km (0.082 R)
• M17: 11,901,109 km (0.115 R)
• M18: 12,603,321 km (0.092 R)
• M19: 13,332,761 km (0.061 R)
• M20: 14,230,647 km (0.059 R)
• M21: 15,840,919 km (0.073 R)
• M22: 18,227,154 km (0.089 R)
• M23: 23,107,186 km (0.047 R)
• M24: 25,844,827 km (0.1 R)
• M25: 30,286,687 km (0.067 R)
• M26: 31,833,081 km (0.119 R)
• M27: 42,670,249 km (0.116 R)
• M28: 53,474,507 km (0.066 R)
• M29: 57,146,536 km (0.104 R)
• M30: 58,406,898 km (0.116 R)

Kuiper Belt

Range: 30.6 - 53.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 14,671 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit