🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.67 AU - 1.01 AU

Year: 278 Days

Day: 43.8 Hours

Environment

Temp: 180 °C

Axial Tilt: 15.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 63,813,597 km

• M1: 127,009 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.09 AU - 1.55 AU

Year: 548 Days

Day: 30.8 Hours

Environment

Temp: -6 °C

Axial Tilt: 37.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.4 AU - 1.42 AU

Year: 606 Days

Day: 13 Hours

Environment

Temp: -8 °C

Axial Tilt: 26.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.99 AU - 2.73 AU

Year: 1311 Days

Day: 32.5 Hours

Environment

Temp: -75 °C

Axial Tilt: 32.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 4.8 AU - 4.96 AU

Year: 3899 Days

Day: 16.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,813,597 km

• M1: 2,470,908 km (0.032 R)

Asteroid Belt

Center: 5.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.7

Radius: 13.4

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.56 AU - 6.9 AU

Year: 5624 Days

Day: 10.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,813,597 km

• M1: 166,652 km (0.095 R)
• M2: 647,460 km (0.103 R)
• M3: 1,245,701 km (0.083 R)
• M4: 2,235,591 km (0.115 R)
• M5: 3,042,671 km (0.112 R)
• M6: 3,898,371 km (0.111 R)
• M7: 4,571,113 km (0.091 R)
• M8: 5,016,465 km (0.116 R)
• M9: 5,964,766 km (0.099 R)
• M10: 6,793,389 km (0.058 R)
• M11: 7,517,592 km (0.092 R)
• M12: 9,161,224 km (0.1 R)
• M13: 9,744,955 km (0.091 R)
• M14: 11,079,517 km (0.097 R)
• M15: 12,332,100 km (0.105 R)
• M16: 14,663,733 km (0.092 R)
• M17: 15,874,428 km (0.087 R)
• M18: 17,088,415 km (0.074 R)
• M19: 18,691,805 km (0.072 R)
• M20: 20,816,843 km (0.086 R)
• M21: 22,196,285 km (0.091 R)
• M22: 22,644,330 km (0.115 R)
• M23: 27,463,327 km (0.087 R)
• M24: 28,153,571 km (0.084 R)
• M25: 30,753,433 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.6

Radius: 9.7

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 5.24 AU - 7.5 AU

Year: 5814 Days

Day: 8.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,813,597 km

• M1: 120,725 km (0.117 R)
• M2: 801,396 km (0.081 R)
• M3: 1,405,472 km (0.071 R)
• M4: 1,912,310 km (0.086 R)
• M5: 2,470,758 km (0.111 R)
• M6: 4,407,153 km (0.031 R)
• M7: 5,383,130 km (0.118 R)
• M8: 6,522,916 km (0.12 R)
• M9: 12,394,184 km (0.067 R)
• M10: 13,460,816 km (0.104 R)
• M11: 15,729,169 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 561.2

Radius: 4.6

Gravity: 26.52 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 10.67 AU - 15.35 AU

Year: 16971 Days

Day: 20.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 63,813,597 km

• M1: 59,241 km (0.108 R)
• M2: 294,558 km (0.08 R)
• M3: 1,487,003 km (0.099 R)
• M4: 2,497,387 km (0.118 R)
• M5: 2,814,235 km (0.066 R)
• M6: 3,007,067 km (0.116 R)
• M7: 3,868,302 km (0.12 R)
• M8: 4,387,406 km (0.086 R)
• M9: 6,062,753 km (0.061 R)
• M10: 6,509,003 km (0.105 R)
• M11: 7,650,286 km (0.118 R)
• M12: 15,772,702 km (0.067 R)
• M13: 19,578,322 km (0.111 R)
• M14: 21,460,413 km (0.057 R)
• M15: 22,397,644 km (0.091 R)
• M16: 22,780,016 km (0.113 R)
• M17: 25,476,069 km (0.115 R)
• M18: 26,420,031 km (0.086 R)
• M19: 31,016,575 km (0.106 R)
• M20: 31,253,389 km (0.109 R)
• M21: 32,578,227 km (0.116 R)
• M22: 34,065,679 km (0.077 R)
• M23: 37,175,071 km (0.112 R)
• M24: 38,524,743 km (0.029 R)
• M25: 40,609,838 km (0.087 R)
• M26: 41,321,325 km (0.067 R)
• M27: 43,653,706 km (0.098 R)
• M28: 47,314,515 km (0.116 R)
• M29: 48,738,537 km (0.057 R)
• M30: 49,865,608 km (0.103 R)
• M31: 59,332,460 km (0.11 R)
• M32: 60,432,304 km (0.054 R)
• M33: 60,801,960 km (0.097 R)
• M34: 62,484,039 km (0.118 R)

Kuiper Belt

Range: 30.3 - 57.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 13,672 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit