🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.77 AU - 1.13 AU

Year: 333 Days

Day: 36 Hours

Environment

Temp: 121 °C

Axial Tilt: 47.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 54,719,761 km

• M1: 110,254 km (0.099 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1 AU - 1.3 AU

Year: 444 Days

Day: 20.3 Hours

Environment

Temp: 17 °C

Axial Tilt: 7.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 54,719,761 km

• M1: 213,177 km (0.087 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.97 AU - 1.49 AU

Year: 491 Days

Day: 29.2 Hours

Environment

Temp: 9 °C

Axial Tilt: 48.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 54,719,761 km

• M1: 220,657 km (0.111 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.91 AU - 4.01 AU

Year: 2316 Days

Day: 47.6 Hours

Environment

Temp: -109 °C

Axial Tilt: 28.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.7

Radius: 13.8

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 5.59 AU - 5.73 AU

Year: 4846 Days

Day: 6.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,719,761 km

• M1: 171,589 km (0.115 R)
• M2: 628,012 km (0.098 R)
• M3: 1,091,167 km (0.071 R)
• M4: 1,678,189 km (0.073 R)
• M5: 2,284,808 km (0.097 R)
• M6: 2,736,295 km (0.094 R)
• M7: 3,624,158 km (0.096 R)
• M8: 4,093,447 km (0.079 R)
• M9: 5,539,609 km (0.104 R)
• M10: 5,970,301 km (0.097 R)
• M11: 7,240,537 km (0.075 R)
• M12: 8,263,038 km (0.11 R)
• M13: 9,530,880 km (0.067 R)
• M14: 10,033,529 km (0.055 R)
• M15: 11,219,092 km (0.065 R)
• M16: 12,045,172 km (0.105 R)
• M17: 14,363,191 km (0.117 R)
• M18: 16,355,386 km (0.104 R)
• M19: 19,127,434 km (0.104 R)
• M20: 19,680,198 km (0.108 R)
• M21: 21,998,217 km (0.04 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.1

Radius: 10.3

Gravity: 7.82 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 6.59 AU - 10.93 AU

Year: 9331 Days

Day: 11.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,719,761 km

• M1: 128,205 km (0.061 R)
• M2: 467,194 km (0.056 R)
• M3: 935,136 km (0.118 R)
• M4: 1,649,317 km (0.037 R)
• M5: 2,674,212 km (0.089 R)
• M6: 4,245,737 km (0.074 R)
• M7: 5,680,530 km (0.067 R)
• M8: 6,433,456 km (0.026 R)
• M9: 7,090,490 km (0.118 R)
• M10: 7,580,872 km (0.03 R)
• M11: 8,137,526 km (0.105 R)
• M12: 8,999,808 km (0.1 R)
• M13: 9,871,814 km (0.112 R)
• M14: 10,640,747 km (0.088 R)
• M15: 11,338,920 km (0.032 R)
• M16: 12,886,510 km (0.112 R)
• M17: 16,396,076 km (0.066 R)
• M18: 17,037,253 km (0.076 R)
• M19: 20,660,513 km (0.098 R)
• M20: 21,832,014 km (0.112 R)
• M21: 32,066,752 km (0.119 R)
• M22: 32,732,912 km (0.104 R)
• M23: 34,670,354 km (0.072 R)
• M24: 37,656,926 km (0.041 R)
• M25: 38,398,482 km (0.084 R)
• M26: 39,149,613 km (0.104 R)
• M27: 41,200,750 km (0.108 R)
• M28: 41,988,083 km (0.074 R)
• M29: 46,498,609 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.6

Radius: 14.8

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 9.16 AU - 9.84 AU

Year: 10538 Days

Day: 9.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,719,761 km

• M1: 184,155 km (0.063 R)
• M2: 846,275 km (0.115 R)
• M3: 1,343,090 km (0.073 R)
• M4: 2,007,903 km (0.099 R)
• M5: 2,759,782 km (0.054 R)
• M6: 4,207,889 km (0.11 R)
• M7: 5,550,081 km (0.061 R)
• M8: 7,202,689 km (0.096 R)
• M9: 8,596,791 km (0.103 R)
• M10: 11,126,042 km (0.077 R)
• M11: 11,800,430 km (0.114 R)
• M12: 13,231,034 km (0.073 R)
• M13: 14,575,321 km (0.118 R)
• M14: 21,212,828 km (0.092 R)
• M15: 22,251,038 km (0.057 R)
• M16: 25,473,376 km (0.091 R)
• M17: 28,577,083 km (0.12 R)
• M18: 30,058,102 km (0.045 R)
• M19: 31,147,025 km (0.113 R)
• M20: 34,335,853 km (0.093 R)
• M21: 35,887,931 km (0.119 R)
• M22: 37,736,512 km (0.066 R)
• M23: 46,773,869 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 100.6

Radius: 3

Gravity: 11.18 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 18.24 AU - 21.46 AU

Year: 31828 Days

Day: 21.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,719,761 km

• M1: 39,045 km (0.115 R)
• M2: 181,013 km (0.084 R)
• M3: 1,879,996 km (0.08 R)
• M4: 3,133,627 km (0.11 R)
• M5: 3,484,733 km (0.102 R)
• M6: 3,861,570 km (0.039 R)
• M7: 5,464,661 km (0.119 R)
• M8: 5,750,991 km (0.082 R)
• M9: 6,009,496 km (0.117 R)
• M10: 6,510,051 km (0.095 R)
• M11: 10,057,914 km (0.1 R)
• M12: 10,271,091 km (0.089 R)
• M13: 10,761,772 km (0.062 R)
• M14: 14,304,848 km (0.081 R)
• M15: 14,506,805 km (0.092 R)
• M16: 15,973,612 km (0.098 R)
• M17: 16,263,832 km (0.044 R)
• M18: 22,922,433 km (0.075 R)
• M19: 24,422,600 km (0.103 R)
• M20: 26,691,850 km (0.061 R)
• M21: 40,300,769 km (0.113 R)
• M22: 45,166,440 km (0.081 R)
• M23: 49,176,710 km (0.105 R)
• M24: 51,819,805 km (0.108 R)

Kuiper Belt

Range: 30.5 - 60.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 515 - 12,959 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit