🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.46 AU - 0.56 AU

Year: 136 Days

Day: 13.5 Hours

Environment

Temp: 233 °C

Axial Tilt: 7.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.59 AU - 0.59 AU

Year: 170 Days

Day: 15.8 Hours

Environment

Temp: 152 °C

Axial Tilt: 38.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.93 AU - 1.01 AU

Year: 358 Days

Day: 41.1 Hours

Environment

Temp: 27 °C

Axial Tilt: 38.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.99 AU - 4.91 AU

Year: 2942 Days

Day: 26.9 Hours

Environment

Temp: -125 °C

Axial Tilt: 14.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 58,095,662 km

• M1: 2,049,341 km (0.066 R)

Asteroid Belt

Center: 4.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.5

Radius: 12.2

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.63 AU - 5.21 AU

Year: 4090 Days

Day: 11.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 84 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,095,662 km

• M1: 151,692 km (0.042 R)
• M2: 680,072 km (0.064 R)
• M3: 1,170,155 km (0.087 R)
• M4: 1,628,971 km (0.066 R)
• M5: 2,992,406 km (0.07 R)
• M6: 4,686,752 km (0.103 R)
• M7: 5,320,448 km (0.107 R)
• M8: 6,303,007 km (0.071 R)
• M9: 6,759,729 km (0.111 R)
• M10: 7,739,595 km (0.117 R)
• M11: 9,699,028 km (0.102 R)
• M12: 10,143,932 km (0.116 R)
• M13: 10,560,263 km (0.102 R)
• M14: 12,960,711 km (0.089 R)
• M15: 13,401,725 km (0.081 R)
• M16: 14,732,698 km (0.066 R)
• M17: 16,546,422 km (0.05 R)
• M18: 17,241,603 km (0.104 R)
• M19: 18,259,467 km (0.101 R)
• M20: 19,764,272 km (0.105 R)
• M21: 20,679,362 km (0.114 R)
• M22: 21,080,135 km (0.091 R)
• M23: 21,759,609 km (0.113 R)
• M24: 23,162,238 km (0.027 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.8

Radius: 14.4

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 4.91 AU - 7.61 AU

Year: 5869 Days

Day: 5.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,095,662 km

• M1: 179,817 km (0.105 R)
• M2: 821,592 km (0.062 R)
• M3: 2,502,922 km (0.094 R)
• M4: 3,337,229 km (0.105 R)
• M5: 4,165,403 km (0.037 R)
• M6: 5,831,923 km (0.099 R)
• M7: 6,280,567 km (0.091 R)
• M8: 7,436,211 km (0.092 R)
• M9: 8,166,099 km (0.1 R)
• M10: 9,286,737 km (0.08 R)
• M11: 10,890,575 km (0.114 R)
• M12: 13,388,561 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.3

Radius: 15

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 5.62 AU - 8.52 AU

Year: 7045 Days

Day: 9.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,095,662 km

• M1: 196,572 km (0.086 R)
• M2: 930,200 km (0.09 R)
• M3: 2,266,557 km (0.08 R)
• M4: 3,182,096 km (0.078 R)
• M5: 3,857,082 km (0.053 R)
• M6: 5,558,608 km (0.095 R)
• M7: 7,564,267 km (0.085 R)
• M8: 8,521,992 km (0.115 R)
• M9: 9,380,534 km (0.04 R)
• M10: 11,270,853 km (0.113 R)
• M11: 11,989,073 km (0.038 R)
• M12: 13,291,322 km (0.104 R)
• M13: 14,387,725 km (0.119 R)
• M14: 17,833,712 km (0.086 R)
• M15: 19,674,962 km (0.093 R)
• M16: 20,566,266 km (0.086 R)
• M17: 23,075,172 km (0.115 R)
• M18: 31,617,360 km (0.118 R)
• M19: 35,056,466 km (0.078 R)
• M20: 36,256,241 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 513.5

Radius: 5.2

Gravity: 18.99 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 16.38 AU - 17.56 AU

Year: 26197 Days

Day: 24.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,095,662 km

• M1: 64,776 km (0.115 R)
• M2: 327,320 km (0.105 R)
• M3: 1,372,112 km (0.091 R)
• M4: 1,656,198 km (0.087 R)
• M5: 2,876,917 km (0.106 R)
• M6: 5,007,041 km (0.108 R)
• M7: 7,156,014 km (0.054 R)
• M8: 8,758,955 km (0.033 R)
• M9: 8,982,006 km (0.115 R)
• M10: 10,904,039 km (0.119 R)
• M11: 14,047,240 km (0.077 R)
• M12: 22,981,524 km (0.074 R)
• M13: 23,405,784 km (0.08 R)
• M14: 23,727,569 km (0.118 R)
• M15: 24,821,129 km (0.116 R)
• M16: 26,990,897 km (0.104 R)
• M17: 42,239,408 km (0.113 R)
• M18: 54,511,071 km (0.099 R)
• M19: 61,147,082 km (0.093 R)
• M20: 66,785,277 km (0.112 R)
• M21: 72,079,396 km (0.049 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 431.5

Radius: 4

Gravity: 26.97 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 14.84 AU - 21.14 AU

Year: 28594 Days

Day: 20.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,095,662 km

• M1: 52,658 km (0.074 R)
• M2: 346,020 km (0.097 R)
• M3: 979,567 km (0.118 R)
• M4: 1,924,726 km (0.083 R)
• M5: 2,088,386 km (0.094 R)
• M6: 2,466,869 km (0.09 R)
• M7: 3,476,505 km (0.057 R)
• M8: 20,150,235 km (0.073 R)
• M9: 24,709,080 km (0.063 R)
• M10: 29,658,975 km (0.094 R)
• M11: 30,671,154 km (0.092 R)
• M12: 32,764,327 km (0.076 R)
• M13: 41,148,390 km (0.102 R)
• M14: 60,559,761 km (0.097 R)
• M15: 72,104,528 km (0.083 R)
• M16: 73,471,105 km (0.098 R)
• M17: 79,351,647 km (0.081 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144.3

Radius: 6.1

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 13.95 AU - 22.43 AU

Year: 29072 Days

Day: 18.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,095,662 km

• M1: 77,492 km (0.034 R)
• M2: 296,054 km (0.049 R)
• M3: 512,672 km (0.116 R)
• M4: 1,335,909 km (0.097 R)
• M5: 1,855,014 km (0.118 R)
• M6: 2,067,592 km (0.095 R)
• M7: 2,296,477 km (0.08 R)
• M8: 2,920,450 km (0.112 R)
• M9: 4,282,987 km (0.083 R)
• M10: 5,760,116 km (0.082 R)
• M11: 8,093,544 km (0.08 R)
• M12: 8,762,695 km (0.063 R)
• M13: 11,454,859 km (0.087 R)
• M14: 12,113,538 km (0.098 R)
• M15: 12,545,577 km (0.1 R)
• M16: 12,797,051 km (0.088 R)
• M17: 14,583,548 km (0.119 R)
• M18: 15,500,284 km (0.099 R)
• M19: 18,643,036 km (0.027 R)
• M20: 26,460,722 km (0.037 R)
• M21: 29,449,089 km (0.095 R)
• M22: 32,183,289 km (0.111 R)
• M23: 34,219,316 km (0.089 R)
• M24: 36,851,191 km (0.069 R)
• M25: 44,668,428 km (0.12 R)
• M26: 46,144,959 km (0.089 R)
• M27: 49,820,579 km (0.07 R)
• M28: 56,372,367 km (0.077 R)
• M29: 58,095,735 km (0.09 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 11,592 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit