🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.45 AU - 0.67 AU

Year: 147 Days

Day: 28.7 Hours

Environment

Temp: 274 °C

Axial Tilt: 34.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.75 AU - 0.99 AU

Year: 284 Days

Day: 29 Hours

Environment

Temp: 186 °C

Axial Tilt: 35.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 1.21 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.25 AU - 1.85 AU

Year: 675 Days

Day: 40.2 Hours

Environment

Temp: -18 °C

Axial Tilt: 15 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.4 AU - 1.88 AU

Year: 735 Days

Day: 30.9 Hours

Environment

Temp: -39 °C

Axial Tilt: 28.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.43 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 15.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 838.8

Radius: 4.8

Gravity: 36.41 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 15.11 AU - 15.33 AU

Year: 20773 Days

Day: 16.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 111,833,236 km

• M1: 62,382 km (0.055 R)
• M2: 407,804 km (0.068 R)
• M3: 1,813,725 km (0.101 R)
• M4: 2,094,370 km (0.096 R)
• M5: 3,168,184 km (0.037 R)
• M6: 3,426,240 km (0.092 R)
• M7: 3,698,359 km (0.118 R)
• M8: 4,116,485 km (0.034 R)
• M9: 5,520,161 km (0.105 R)
• M10: 5,851,820 km (0.1 R)
• M11: 7,166,486 km (0.107 R)
• M12: 10,178,490 km (0.056 R)
• M13: 10,804,108 km (0.077 R)
• M14: 11,191,716 km (0.064 R)
• M15: 11,722,788 km (0.117 R)
• M16: 13,051,217 km (0.104 R)
• M17: 17,990,191 km (0.078 R)
• M18: 22,865,436 km (0.059 R)
• M19: 33,457,115 km (0.117 R)
• M20: 39,803,057 km (0.082 R)
• M21: 40,109,134 km (0.096 R)
• M22: 40,571,242 km (0.077 R)
• M23: 41,192,970 km (0.059 R)
• M24: 44,396,758 km (0.083 R)
• M25: 44,561,167 km (0.043 R)
• M26: 50,575,001 km (0.088 R)
• M27: 51,475,879 km (0.106 R)
• M28: 56,334,070 km (0.096 R)
• M29: 65,236,041 km (0.062 R)
• M30: 69,353,573 km (0.108 R)
• M31: 74,102,258 km (0.059 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 738.6

Radius: 4.7

Gravity: 33.44 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 15.91 AU - 19.69 AU

Year: 26273 Days

Day: 15.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 111,833,236 km

• M1: 62,532 km (0.064 R)
• M2: 212,130 km (0.084 R)
• M3: 374,144 km (0.117 R)
• M4: 1,627,625 km (0.109 R)
• M5: 2,003,564 km (0.096 R)
• M6: 2,155,855 km (0.115 R)
• M7: 2,844,753 km (0.042 R)
• M8: 3,898,969 km (0.103 R)
• M9: 4,385,761 km (0.107 R)
• M10: 4,834,405 km (0.118 R)
• M11: 6,089,232 km (0.037 R)
• M12: 6,317,668 km (0.055 R)
• M13: 8,868,461 km (0.06 R)
• M14: 12,319,534 km (0.118 R)
• M15: 14,785,655 km (0.106 R)
• M16: 15,198,545 km (0.116 R)
• M17: 17,107,115 km (0.119 R)
• M18: 21,079,238 km (0.107 R)
• M19: 22,026,641 km (0.105 R)
• M20: 26,100,789 km (0.111 R)
• M21: 27,315,524 km (0.074 R)
• M22: 27,687,275 km (0.087 R)
• M23: 31,185,621 km (0.09 R)
• M24: 32,001,079 km (0.115 R)
• M25: 33,674,630 km (0.088 R)
• M26: 34,822,196 km (0.11 R)
• M27: 36,442,340 km (0.111 R)
• M28: 38,420,922 km (0.117 R)
• M29: 39,200,626 km (0.035 R)
• M30: 39,357,853 km (0.118 R)
• M31: 39,831,929 km (0.12 R)
• M32: 41,602,869 km (0.094 R)
• M33: 44,271,695 km (0.06 R)
• M34: 45,996,259 km (0.054 R)
• M35: 49,578,978 km (0.113 R)
• M36: 57,902,454 km (0.078 R)
• M37: 60,590,878 km (0.08 R)
• M38: 68,924,077 km (0.092 R)
• M39: 76,999,520 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 80.4

Radius: 7.6

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 16.61 AU - 21.19 AU

Year: 28745 Days

Day: 20.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 111,833,236 km

• M1: 97,538 km (0.032 R)
• M2: 790,924 km (0.096 R)
• M3: 4,917,132 km (0.093 R)
• M4: 6,675,955 km (0.109 R)
• M5: 9,002,949 km (0.071 R)
• M6: 9,381,282 km (0.107 R)
• M7: 9,918,788 km (0.051 R)
• M8: 22,651,960 km (0.093 R)
• M9: 31,816,475 km (0.113 R)
• M10: 44,661,547 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 20.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871.4

Radius: 7.8

Gravity: 14.32 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 19.24 AU - 21.02 AU

Year: 31597 Days

Day: 17.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 111,833,236 km

• M1: 97,388 km (0.064 R)
• M2: 951,293 km (0.092 R)
• M3: 1,456,485 km (0.091 R)
• M4: 1,842,896 km (0.118 R)
• M5: 2,549,896 km (0.061 R)
• M6: 3,236,101 km (0.065 R)
• M7: 3,897,473 km (0.077 R)
• M8: 7,410,181 km (0.052 R)
• M9: 7,741,690 km (0.073 R)
• M10: 8,554,006 km (0.098 R)
• M11: 13,082,334 km (0.039 R)
• M12: 14,658,946 km (0.115 R)
• M13: 15,359,213 km (0.114 R)
• M14: 18,184,668 km (0.045 R)
• M15: 21,673,291 km (0.059 R)
• M16: 29,663,463 km (0.068 R)
• M17: 33,104,812 km (0.066 R)
• M18: 34,004,942 km (0.085 R)
• M19: 37,284,277 km (0.108 R)
• M20: 41,111,140 km (0.102 R)
• M21: 42,501,353 km (0.1 R)
• M22: 44,282,765 km (0.06 R)
• M23: 45,743,289 km (0.083 R)
• M24: 51,706,858 km (0.055 R)
• M25: 58,385,356 km (0.052 R)
• M26: 59,698,377 km (0.087 R)
• M27: 60,584,744 km (0.105 R)
• M28: 65,851,636 km (0.113 R)
• M29: 88,530,973 km (0.062 R)
• M30: 91,723,541 km (0.09 R)
• M31: 97,723,463 km (0.109 R)
• M32: 100,194,969 km (0.107 R)
• M33: 102,075,714 km (0.074 R)
• M34: 103,660,703 km (0.096 R)

Kuiper Belt

Range: 31.4 - 57.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 408 - 18,121 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit