🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.56 AU - 0.88 AU

Year: 229 Days

Day: 13.4 Hours

Environment

Temp: 183 °C

Axial Tilt: 26.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 41,298,282 km

• M1: 27,975 km (0.091 R)
• M2: 68,665 km (0.047 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.9 AU - 0.96 AU

Year: 336 Days

Day: 12.6 Hours

Environment

Temp: 31 °C

Axial Tilt: 104.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 41,298,282 km

• M1: 61,485 km (0.11 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.86 AU - 1.06 AU

Year: 352 Days

Day: 44.7 Hours

Environment

Temp: 9 °C

Axial Tilt: 7.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.15 AU - 1.19 AU

Year: 474 Days

Day: 23.3 Hours

Environment

Temp: -3 °C

Axial Tilt: 46.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 41,298,282 km

• M1: 943,663 km (0.098 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.28 AU - 2.1 AU

Year: 823 Days

Day: 26.3 Hours

Environment

Temp: -55 °C

Axial Tilt: 34.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.63 AU - 2.91 AU

Year: 1728 Days

Day: 27.6 Hours

Environment

Temp: -93 °C

Axial Tilt: 7.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.87 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.7

Radius: 10.7

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.26 AU - 5.68 AU

Year: 4152 Days

Day: 9.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,298,282 km

• M1: 134,040 km (0.117 R)
• M2: 818,151 km (0.097 R)
• M3: 1,506,151 km (0.109 R)
• M4: 2,406,581 km (0.104 R)
• M5: 2,793,740 km (0.115 R)
• M6: 3,512,408 km (0.072 R)
• M7: 4,190,685 km (0.052 R)
• M8: 4,979,515 km (0.12 R)
• M9: 5,422,923 km (0.066 R)
• M10: 6,602,053 km (0.05 R)
• M11: 8,084,718 km (0.12 R)
• M12: 8,588,264 km (0.109 R)
• M13: 9,579,051 km (0.083 R)
• M14: 10,944,131 km (0.068 R)
• M15: 12,015,701 km (0.087 R)
• M16: 12,767,879 km (0.072 R)
• M17: 13,302,991 km (0.07 R)
• M18: 17,359,636 km (0.066 R)
• M19: 18,198,880 km (0.118 R)
• M20: 19,508,161 km (0.1 R)
• M21: 21,012,966 km (0.086 R)
• M22: 22,453,294 km (0.094 R)
• M23: 23,521,572 km (0.109 R)
• M24: 24,178,606 km (0.08 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.6

Radius: 13.2

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 7.62 AU - 10.18 AU

Year: 9950 Days

Day: 10.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,298,282 km

• M1: 164,258 km (0.08 R)
• M2: 874,848 km (0.084 R)
• M3: 2,001,021 km (0.099 R)
• M4: 3,251,959 km (0.109 R)
• M5: 5,364,280 km (0.109 R)
• M6: 6,710,063 km (0.104 R)
• M7: 7,957,709 km (0.087 R)
• M8: 8,871,902 km (0.063 R)
• M9: 9,305,736 km (0.081 R)
• M10: 9,855,059 km (0.063 R)
• M11: 10,692,657 km (0.094 R)
• M12: 11,351,636 km (0.084 R)
• M13: 18,952,704 km (0.066 R)
• M14: 20,083,065 km (0.04 R)
• M15: 27,217,537 km (0.104 R)
• M16: 30,360,439 km (0.114 R)
• M17: 33,158,069 km (0.117 R)
• M18: 35,275,926 km (0.047 R)
• M19: 37,357,580 km (0.079 R)
• M20: 40,171,666 km (0.107 R)
• M21: 49,608,300 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 120.8

Radius: 7.4

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 11.96 AU - 15.48 AU

Year: 19044 Days

Day: 17.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,298,282 km

• M1: 131,945 km (0.079 R)
• M2: 593,455 km (0.113 R)
• M3: 1,171,501 km (0.081 R)
• M4: 1,813,725 km (0.05 R)
• M5: 3,460,498 km (0.083 R)
• M6: 13,163,266 km (0.111 R)
• M7: 13,394,545 km (0.099 R)
• M8: 14,654,009 km (0.041 R)
• M9: 18,830,782 km (0.108 R)
• M10: 23,145,932 km (0.055 R)
• M11: 25,397,829 km (0.063 R)
• M12: 26,210,145 km (0.115 R)
• M13: 30,533,673 km (0.071 R)
• M14: 33,236,608 km (0.083 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 347 - 14,620 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit