🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.86 AU - 1.36 AU

Year: 413 Days

Day: 36.5 Hours

Environment

Temp: 23 °C

Axial Tilt: 20.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 36,013,097 km

• M1: 78,838 km (0.053 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.37 AU - 1.63 AU

Year: 649 Days

Day: 30 Hours

Environment

Temp: -17 °C

Axial Tilt: 31.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.6

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.89 AU - 3.31 AU

Year: 1927 Days

Day: 25.1 Hours

Environment

Temp: -96 °C

Axial Tilt: 0.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,013,097 km

• M1: 104,719 km (0.028 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.94 AU - 4.28 AU

Year: 2942 Days

Day: 36.6 Hours

Environment

Temp: -112 °C

Axial Tilt: 23.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.83 AU - 4.55 AU

Year: 3028 Days

Day: 30.5 Hours

Environment

Temp: -118 °C

Axial Tilt: 20.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.71 AU - 5.99 AU

Year: 3771 Days

Day: 16.4 Hours

Environment

Temp: -126 °C

Axial Tilt: 32.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,013,097 km

• M1: 1,627,026 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.5

Radius: 13.1

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 5.13 AU - 5.99 AU

Year: 4629 Days

Day: 12.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,013,097 km

• M1: 164,109 km (0.117 R)
• M2: 716,125 km (0.082 R)
• M3: 1,636,152 km (0.096 R)
• M4: 2,278,226 km (0.063 R)
• M5: 3,045,214 km (0.118 R)
• M6: 3,684,296 km (0.096 R)
• M7: 4,167,049 km (0.083 R)
• M8: 5,093,807 km (0.099 R)
• M9: 5,815,019 km (0.117 R)
• M10: 8,086,962 km (0.037 R)
• M11: 8,588,563 km (0.116 R)
• M12: 9,484,804 km (0.073 R)
• M13: 12,703,253 km (0.067 R)
• M14: 13,488,941 km (0.114 R)
• M15: 14,085,537 km (0.108 R)
• M16: 16,162,105 km (0.119 R)
• M17: 19,035,581 km (0.079 R)
• M18: 21,130,849 km (0.082 R)
• M19: 23,764,519 km (0.085 R)
• M20: 24,635,628 km (0.084 R)
• M21: 31,058,912 km (0.084 R)
• M22: 31,909,226 km (0.087 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.2

Radius: 10.7

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 8.24 AU - 10.28 AU

Year: 9950 Days

Day: 11.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,013,097 km

• M1: 146,008 km (0.119 R)
• M2: 597,494 km (0.102 R)
• M3: 1,840,951 km (0.097 R)
• M4: 2,521,472 km (0.098 R)
• M5: 3,643,905 km (0.062 R)
• M6: 6,244,814 km (0.041 R)
• M7: 8,271,715 km (0.088 R)
• M8: 10,984,523 km (0.107 R)
• M9: 12,209,131 km (0.073 R)
• M10: 13,360,137 km (0.104 R)
• M11: 17,829,673 km (0.118 R)
• M12: 19,937,656 km (0.065 R)
• M13: 25,051,510 km (0.109 R)
• M14: 25,882,975 km (0.055 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 65.7

Radius: 3

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 12 AU - 18.5 AU

Year: 21028 Days

Day: 19.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,013,097 km

• M1: 46,675 km (0.105 R)
• M2: 272,567 km (0.086 R)
• M3: 655,089 km (0.084 R)
• M4: 951,592 km (0.053 R)
• M5: 1,353,861 km (0.056 R)
• M6: 2,271,344 km (0.079 R)
• M7: 2,590,138 km (0.088 R)
• M8: 2,740,932 km (0.062 R)
• M9: 3,060,324 km (0.097 R)
• M10: 3,724,987 km (0.117 R)
• M11: 3,820,281 km (0.105 R)
• M12: 4,698,121 km (0.03 R)
• M13: 6,254,238 km (0.055 R)
• M14: 8,283,683 km (0.096 R)
• M15: 11,101,508 km (0.113 R)
• M16: 12,376,980 km (0.117 R)
• M17: 20,238,348 km (0.043 R)
• M18: 26,089,270 km (0.088 R)
• M19: 30,590,820 km (0.032 R)
• M20: 30,784,699 km (0.111 R)
• M21: 35,797,723 km (0.032 R)

Kuiper Belt

Range: 31.1 - 50.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 377 - 19,419 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit