🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.77

Radius: 1.26

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.46 AU - 0.54 AU

Year: 225 Days

Day: 44.1 Hours

Environment

Temp: -111 °C

Axial Tilt: 4.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.5

Radius: 14.8

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.56 AU - 0.84 AU

Year: 372 Days

Day: 10.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,783,353 km

• M1: 184,005 km (0.087 R)
• M2: 676,033 km (0.074 R)
• M3: 1,163,423 km (0.105 R)
• M4: 1,836,613 km (0.091 R)
• M5: 2,452,059 km (0.05 R)
• M6: 3,388,242 km (0.095 R)
• M7: 4,742,552 km (0.086 R)
• M8: 5,559,954 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412

Radius: 13.6

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.11 AU - 1.37 AU

Year: 878 Days

Day: 9.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,783,353 km

• M1: 169,794 km (0.089 R)
• M2: 681,119 km (0.111 R)
• M3: 1,269,188 km (0.041 R)
• M4: 1,875,957 km (0.057 R)
• M5: 2,418,250 km (0.05 R)
• M6: 2,910,427 km (0.093 R)
• M7: 3,589,900 km (0.084 R)
• M8: 4,388,603 km (0.108 R)
• M9: 5,145,269 km (0.115 R)
• M10: 6,181,982 km (0.109 R)
• M11: 6,940,444 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.4

Radius: 8.4

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.66 AU - 1.76 AU

Year: 1422 Days

Day: 5.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,783,353 km

• M1: 104,419 km (0.074 R)
• M2: 454,628 km (0.035 R)
• M3: 770,130 km (0.106 R)
• M4: 1,045,689 km (0.074 R)
• M5: 1,479,074 km (0.08 R)
• M6: 1,894,657 km (0.096 R)
• M7: 2,362,749 km (0.096 R)
• M8: 2,643,843 km (0.104 R)
• M9: 3,086,204 km (0.116 R)
• M10: 3,608,749 km (0.116 R)
• M11: 3,883,112 km (0.071 R)
• M12: 4,223,896 km (0.079 R)
• M13: 4,510,675 km (0.045 R)
• M14: 4,926,557 km (0.062 R)
• M15: 5,224,556 km (0.081 R)
• M16: 5,619,195 km (0.089 R)
• M17: 6,101,050 km (0.086 R)
• M18: 6,586,495 km (0.103 R)
• M19: 6,899,603 km (0.091 R)
• M20: 7,273,299 km (0.09 R)
• M21: 7,899,366 km (0.079 R)
• M22: 9,621,686 km (0.108 R)
• M23: 10,603,347 km (0.108 R)
• M24: 11,545,964 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.2

Radius: 13.5

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.1 AU - 4.62 AU

Year: 5788 Days

Day: 9.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,783,353 km

• M1: 173,683 km (0.07 R)
• M2: 616,642 km (0.078 R)
• M3: 1,081,742 km (0.088 R)
• M4: 1,688,810 km (0.066 R)
• M5: 2,154,658 km (0.07 R)
• M6: 2,637,410 km (0.041 R)
• M7: 4,515,163 km (0.089 R)
• M8: 5,120,286 km (0.08 R)
• M9: 5,572,820 km (0.117 R)
• M10: 6,207,564 km (0.081 R)
• M11: 9,324,435 km (0.107 R)
• M12: 9,872,861 km (0.085 R)
• M13: 10,942,037 km (0.036 R)
• M14: 13,048,824 km (0.088 R)
• M15: 13,628,665 km (0.113 R)
• M16: 14,502,766 km (0.079 R)
• M17: 15,706,280 km (0.05 R)
• M18: 16,362,716 km (0.107 R)
• M19: 18,442,425 km (0.114 R)
• M20: 24,128,192 km (0.066 R)
• M21: 24,922,407 km (0.077 R)
• M22: 25,651,996 km (0.028 R)
• M23: 26,229,294 km (0.12 R)
• M24: 29,157,523 km (0.102 R)
• M25: 29,967,745 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.2

Radius: 9.8

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 4.17 AU - 4.79 AU

Year: 6029 Days

Day: 14.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,783,353 km

• M1: 122,221 km (0.117 R)
• M2: 691,591 km (0.093 R)
• M3: 1,035,068 km (0.073 R)
• M4: 1,754,334 km (0.108 R)
• M5: 2,882,003 km (0.1 R)
• M6: 3,232,810 km (0.053 R)
• M7: 3,632,835 km (0.088 R)
• M8: 5,917,194 km (0.092 R)
• M9: 6,333,824 km (0.103 R)
• M10: 7,495,901 km (0.102 R)
• M11: 8,272,762 km (0.101 R)
• M12: 11,014,891 km (0.116 R)
• M13: 12,350,202 km (0.109 R)
• M14: 13,131,402 km (0.071 R)
• M15: 15,283,966 km (0.038 R)
• M16: 17,783,746 km (0.106 R)
• M17: 18,906,777 km (0.114 R)
• M18: 22,061,348 km (0.108 R)
• M19: 22,919,740 km (0.077 R)
• M20: 23,949,123 km (0.112 R)
• M21: 25,785,138 km (0.103 R)
• M22: 26,898,595 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.1

Radius: 9.1

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.7 AU - 5.3 AU

Year: 6069 Days

Day: 13.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,783,353 km

• M1: 113,246 km (0.075 R)
• M2: 502,499 km (0.046 R)
• M3: 1,015,171 km (0.109 R)
• M4: 1,415,645 km (0.112 R)
• M5: 1,906,026 km (0.118 R)
• M6: 2,750,656 km (0.115 R)
• M7: 3,108,045 km (0.059 R)
• M8: 4,056,795 km (0.057 R)
• M9: 5,735,732 km (0.097 R)
• M10: 7,154,219 km (0.087 R)
• M11: 7,908,043 km (0.045 R)
• M12: 9,615,553 km (0.094 R)
• M13: 17,175,930 km (0.091 R)
• M14: 20,359,373 km (0.037 R)
• M15: 23,296,428 km (0.041 R)
• M16: 25,594,550 km (0.114 R)
• M17: 26,588,329 km (0.051 R)
• M18: 26,925,223 km (0.036 R)
• M19: 27,693,707 km (0.071 R)
• M20: 28,476,703 km (0.106 R)
• M21: 29,453,726 km (0.114 R)
• M22: 29,814,407 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 490.6

Radius: 5.9

Gravity: 14.09 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 10.69 AU - 10.91 AU

Year: 22567 Days

Day: 18.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 73,783,353 km

• M1: 73,303 km (0.064 R)
• M2: 332,257 km (0.069 R)
• M3: 547,678 km (0.057 R)
• M4: 816,206 km (0.06 R)
• M5: 1,965,716 km (0.093 R)
• M6: 2,333,577 km (0.112 R)
• M7: 2,819,770 km (0.118 R)
• M8: 4,086,116 km (0.089 R)
• M9: 4,279,696 km (0.05 R)
• M10: 5,652,256 km (0.057 R)
• M11: 6,015,929 km (0.056 R)
• M12: 6,267,104 km (0.109 R)
• M13: 12,471,077 km (0.088 R)
• M14: 13,940,577 km (0.119 R)
• M15: 14,982,077 km (0.104 R)
• M16: 15,211,859 km (0.113 R)
• M17: 16,315,293 km (0.116 R)
• M18: 19,125,489 km (0.118 R)
• M19: 21,750,034 km (0.077 R)
• M20: 27,356,813 km (0.041 R)
• M21: 32,302,668 km (0.068 R)
• M22: 36,830,846 km (0.093 R)
• M23: 42,067,669 km (0.094 R)
• M24: 43,295,120 km (0.118 R)
• M25: 43,917,746 km (0.096 R)
• M26: 52,917,404 km (0.097 R)
• M27: 63,871,110 km (0.045 R)
• M28: 66,311,500 km (0.062 R)
• M29: 69,874,173 km (0.109 R)
• M30: 70,301,575 km (0.109 R)
• M31: 71,811,017 km (0.06 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 205 - 20,027 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit