🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.49 AU - 0.59 AU

Year: 256 Days

Day: 33.9 Hours

Environment

Temp: -127 °C

Axial Tilt: 3.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 29,084,485 km

• M1: 30,368 km (0.07 R)
• M2: 45,179 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.2

Radius: 13.3

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.01 AU - 1.55 AU

Year: 935 Days

Day: 14.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,084,485 km

• M1: 165,455 km (0.092 R)
• M2: 626,665 km (0.04 R)
• M3: 1,245,701 km (0.085 R)
• M4: 1,936,993 km (0.056 R)
• M5: 2,382,944 km (0.104 R)
• M6: 3,106,849 km (0.115 R)
• M7: 3,555,941 km (0.116 R)
• M8: 4,003,389 km (0.038 R)
• M9: 4,653,242 km (0.083 R)
• M10: 5,208,549 km (0.092 R)
• M11: 5,788,390 km (0.097 R)
• M12: 6,328,289 km (0.066 R)
• M13: 6,923,689 km (0.092 R)
• M14: 7,348,696 km (0.081 R)
• M15: 8,055,546 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.8

Radius: 14.1

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.34 AU - 1.9 AU

Year: 1331 Days

Day: 6.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 29,084,485 km

• M1: 188,194 km (0.1 R)
• M2: 757,264 km (0.108 R)
• M3: 1,259,016 km (0.068 R)
• M4: 2,095,268 km (0.115 R)
• M5: 2,783,717 km (0.095 R)
• M6: 3,508,668 km (0.083 R)
• M7: 4,869,560 km (0.034 R)
• M8: 5,615,904 km (0.09 R)
• M9: 6,557,922 km (0.058 R)
• M10: 8,551,014 km (0.069 R)
• M11: 9,114,400 km (0.111 R)
• M12: 10,119,548 km (0.114 R)
• M13: 10,921,093 km (0.103 R)
• M14: 11,836,632 km (0.06 R)

Asteroid Belt

Center: 2.03 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394

Radius: 10.9

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.98 AU - 2.88 AU

Year: 2446 Days

Day: 8.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 29,084,485 km

• M1: 136,433 km (0.038 R)
• M2: 512,522 km (0.118 R)
• M3: 874,848 km (0.086 R)
• M4: 1,216,380 km (0.112 R)
• M5: 2,021,366 km (0.117 R)
• M6: 2,397,605 km (0.087 R)
• M7: 3,027,861 km (0.076 R)
• M8: 3,591,994 km (0.043 R)
• M9: 4,639,628 km (0.115 R)
• M10: 6,297,173 km (0.089 R)
• M11: 6,839,764 km (0.089 R)
• M12: 8,318,390 km (0.115 R)
• M13: 8,719,312 km (0.081 R)
• M14: 9,626,623 km (0.087 R)
• M15: 12,169,936 km (0.047 R)
• M16: 12,971,931 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.9

Radius: 12.3

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.82 AU - 3.92 AU

Year: 3994 Days

Day: 12.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,084,485 km

• M1: 153,039 km (0.077 R)
• M2: 988,244 km (0.075 R)
• M3: 1,419,833 km (0.101 R)
• M4: 2,362,300 km (0.116 R)
• M5: 4,272,066 km (0.067 R)
• M6: 4,658,627 km (0.081 R)
• M7: 5,824,443 km (0.099 R)
• M8: 6,534,884 km (0.099 R)
• M9: 6,926,830 km (0.041 R)
• M10: 7,398,512 km (0.069 R)
• M11: 9,812,424 km (0.102 R)
• M12: 10,736,190 km (0.079 R)
• M13: 12,161,858 km (0.069 R)
• M14: 12,943,806 km (0.089 R)
• M15: 14,354,664 km (0.055 R)
• M16: 15,175,806 km (0.09 R)
• M17: 17,251,477 km (0.118 R)
• M18: 18,897,502 km (0.093 R)
• M19: 20,072,593 km (0.071 R)
• M20: 21,758,711 km (0.11 R)
• M21: 23,118,556 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.4

Radius: 12.3

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.56 AU - 4.24 AU

Year: 4973 Days

Day: 7.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 29,084,485 km

• M1: 155,133 km (0.074 R)
• M2: 689,497 km (0.114 R)
• M3: 1,406,220 km (0.117 R)
• M4: 1,907,522 km (0.115 R)
• M5: 2,848,194 km (0.094 R)
• M6: 3,774,205 km (0.032 R)
• M7: 4,470,882 km (0.027 R)
• M8: 5,308,929 km (0.07 R)
• M9: 5,750,542 km (0.052 R)
• M10: 8,185,397 km (0.101 R)
• M11: 10,267,949 km (0.048 R)
• M12: 10,723,475 km (0.106 R)
• M13: 11,432,269 km (0.048 R)
• M14: 12,995,717 km (0.1 R)
• M15: 13,746,848 km (0.114 R)
• M16: 17,361,581 km (0.116 R)
• M17: 17,878,442 km (0.112 R)
• M18: 19,979,095 km (0.087 R)
• M19: 20,979,755 km (0.085 R)
• M20: 25,567,024 km (0.113 R)
• M21: 27,523,166 km (0.054 R)
• M22: 30,037,158 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.4

Radius: 10.4

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.68 AU - 5.76 AU

Year: 6621 Days

Day: 5.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,084,485 km

• M1: 129,701 km (0.043 R)
• M2: 508,334 km (0.08 R)
• M3: 5,286,340 km (0.095 R)
• M4: 5,874,409 km (0.031 R)
• M5: 6,412,662 km (0.111 R)
• M6: 8,939,969 km (0.098 R)
• M7: 9,371,259 km (0.107 R)
• M8: 10,618,606 km (0.115 R)
• M9: 12,115,034 km (0.117 R)
• M10: 12,449,684 km (0.09 R)
• M11: 13,037,903 km (0.07 R)
• M12: 17,382,973 km (0.094 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307

Radius: 12.4

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.56 AU - 7.32 AU

Year: 9347 Days

Day: 5.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 29,084,485 km

• M1: 159,771 km (0.053 R)
• M2: 562,638 km (0.082 R)
• M3: 1,115,851 km (0.107 R)
• M4: 1,690,007 km (0.062 R)
• M5: 2,490,805 km (0.112 R)
• M6: 5,899,841 km (0.052 R)
• M7: 7,657,915 km (0.051 R)
• M8: 8,394,984 km (0.093 R)
• M9: 9,093,905 km (0.104 R)
• M10: 10,939,643 km (0.059 R)
• M11: 15,907,938 km (0.083 R)
• M12: 20,407,543 km (0.114 R)
• M13: 24,519,390 km (0.085 R)
• M14: 25,352,800 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 121.5

Radius: 7.5

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 6.27 AU - 7.15 AU

Year: 11223 Days

Day: 18.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 89.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,084,485 km

• M1: 94,695 km (0.118 R)
• M2: 393,592 km (0.118 R)
• M3: 845,078 km (0.118 R)
• M4: 1,202,916 km (0.119 R)
• M5: 1,468,602 km (0.107 R)
• M6: 9,493,481 km (0.087 R)
• M7: 20,600,076 km (0.101 R)
• M8: 25,984,103 km (0.114 R)
• M9: 28,223,433 km (0.088 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 18,473 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit