🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.62 AU - 0.66 AU

Year: 225 Days

Day: 40 Hours

Environment

Temp: -2 °C

Axial Tilt: 41.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 85,505,699 km

• M1: 40,391 km (0.032 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.81 AU - 1.05 AU

Year: 394 Days

Day: 22.8 Hours

Environment

Temp: -52 °C

Axial Tilt: 10.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.89 AU - 1.11 AU

Year: 440 Days

Day: 18.3 Hours

Environment

Temp: -55 °C

Axial Tilt: 0.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 85,505,699 km

• M1: 75,996 km (0.056 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.33 AU - 2.05 AU

Year: 966 Days

Day: 13.2 Hours

Environment

Temp: -112 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.5

Radius: 11

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.79 AU - 3.87 AU

Year: 2672 Days

Day: 12.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,505,699 km

• M1: 136,882 km (0.093 R)
• M2: 512,373 km (0.063 R)
• M3: 1,288,038 km (0.099 R)
• M4: 1,735,186 km (0.043 R)
• M5: 2,378,606 km (0.058 R)
• M6: 2,794,339 km (0.081 R)
• M7: 3,590,199 km (0.108 R)
• M8: 3,944,597 km (0.045 R)
• M9: 4,531,020 km (0.103 R)
• M10: 5,105,476 km (0.089 R)
• M11: 5,458,527 km (0.093 R)
• M12: 7,476,602 km (0.12 R)
• M13: 9,877,199 km (0.119 R)
• M14: 10,540,367 km (0.113 R)
• M15: 12,708,638 km (0.099 R)
• M16: 13,448,849 km (0.098 R)
• M17: 14,034,075 km (0.111 R)
• M18: 15,255,392 km (0.055 R)
• M19: 17,009,876 km (0.06 R)
• M20: 17,694,586 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.7

Radius: 9.1

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.37 AU - 3.79 AU

Year: 2978 Days

Day: 11.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 85,505,699 km

• M1: 114,293 km (0.088 R)
• M2: 407,804 km (0.088 R)
• M3: 797,207 km (0.061 R)
• M4: 1,343,239 km (0.085 R)
• M5: 3,837,933 km (0.074 R)
• M6: 4,328,465 km (0.049 R)
• M7: 4,633,644 km (0.058 R)
• M8: 5,142,277 km (0.097 R)
• M9: 5,501,761 km (0.09 R)
• M10: 6,054,525 km (0.035 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.1

Radius: 12

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.68 AU - 5.24 AU

Year: 4142 Days

Day: 11.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 85,505,699 km

• M1: 149,448 km (0.113 R)
• M2: 645,066 km (0.106 R)
• M3: 1,324,540 km (0.106 R)
• M4: 2,106,936 km (0.09 R)
• M5: 2,507,260 km (0.037 R)
• M6: 3,385,998 km (0.107 R)
• M7: 3,790,960 km (0.095 R)
• M8: 4,274,011 km (0.116 R)
• M9: 4,675,233 km (0.116 R)
• M10: 9,084,331 km (0.109 R)
• M11: 9,591,467 km (0.103 R)
• M12: 13,536,812 km (0.081 R)
• M13: 19,974,457 km (0.117 R)
• M14: 21,648,009 km (0.072 R)
• M15: 23,052,733 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 609.2

Radius: 4.8

Gravity: 26.44 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 12.17 AU - 17.61 AU

Year: 25264 Days

Day: 15.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 85,505,699 km

• M1: 59,690 km (0.055 R)
• M2: 226,641 km (0.115 R)
• M3: 763,996 km (0.058 R)
• M4: 1,059,153 km (0.104 R)
• M5: 1,331,720 km (0.104 R)
• M6: 1,722,919 km (0.066 R)
• M7: 1,875,808 km (0.096 R)
• M8: 3,300,877 km (0.063 R)
• M9: 4,079,534 km (0.076 R)
• M10: 4,458,316 km (0.106 R)
• M11: 5,406,168 km (0.103 R)
• M12: 7,691,275 km (0.082 R)
• M13: 7,898,020 km (0.03 R)
• M14: 9,391,754 km (0.083 R)
• M15: 10,804,706 km (0.084 R)
• M16: 11,064,109 km (0.095 R)
• M17: 11,460,992 km (0.118 R)
• M18: 13,217,570 km (0.097 R)
• M19: 17,342,133 km (0.088 R)
• M20: 18,332,022 km (0.09 R)
• M21: 19,169,621 km (0.091 R)
• M22: 21,323,680 km (0.075 R)
• M23: 22,775,378 km (0.084 R)
• M24: 25,758,659 km (0.103 R)
• M25: 26,105,427 km (0.057 R)
• M26: 37,420,561 km (0.106 R)
• M27: 41,077,930 km (0.088 R)
• M28: 41,551,257 km (0.098 R)
• M29: 53,841,321 km (0.117 R)
• M30: 64,237,326 km (0.103 R)
• M31: 66,378,670 km (0.069 R)
• M32: 68,125,823 km (0.071 R)
• M33: 76,605,778 km (0.093 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 16,549 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit