🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.62 AU - 0.64 AU

Year: 323 Days

Day: 13.7 Hours

Environment

Temp: -122 °C

Axial Tilt: 34.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 29,104,319 km

• M1: 70,461 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.3

Radius: 14.5

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.85 AU - 1.23 AU

Year: 685 Days

Day: 13.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,104,319 km

• M1: 180,265 km (0.099 R)
• M2: 858,841 km (0.111 R)
• M3: 1,479,673 km (0.063 R)
• M4: 2,066,695 km (0.111 R)
• M5: 2,535,534 km (0.037 R)
• M6: 3,114,179 km (0.097 R)
• M7: 3,987,830 km (0.095 R)
• M8: 4,759,007 km (0.112 R)
• M9: 6,121,096 km (0.055 R)
• M10: 7,331,792 km (0.088 R)
• M11: 7,921,656 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.5

Radius: 11.4

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.15 AU - 1.63 AU

Year: 1058 Days

Day: 11.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,104,319 km

• M1: 141,819 km (0.075 R)
• M2: 632,500 km (0.118 R)
• M3: 1,006,794 km (0.111 R)
• M4: 1,649,765 km (0.09 R)
• M5: 2,189,215 km (0.089 R)
• M6: 2,931,669 km (0.094 R)
• M7: 3,460,947 km (0.107 R)
• M8: 3,970,327 km (0.069 R)
• M9: 4,352,101 km (0.04 R)
• M10: 4,899,181 km (0.115 R)
• M11: 5,255,972 km (0.078 R)
• M12: 5,629,966 km (0.051 R)
• M13: 6,470,108 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929

Radius: 12.5

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.88 AU - 2.08 AU

Year: 1799 Days

Day: 14.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,104,319 km

• M1: 155,432 km (0.081 R)
• M2: 720,015 km (0.105 R)
• M3: 1,671,906 km (0.063 R)
• M4: 2,735,098 km (0.117 R)
• M5: 4,148,050 km (0.056 R)
• M6: 4,798,651 km (0.114 R)
• M7: 5,446,110 km (0.115 R)
• M8: 6,645,586 km (0.119 R)
• M9: 7,308,006 km (0.1 R)
• M10: 7,714,313 km (0.105 R)
• M11: 8,228,182 km (0.091 R)
• M12: 10,298,916 km (0.117 R)
• M13: 11,110,933 km (0.098 R)
• M14: 11,571,694 km (0.1 R)
• M15: 13,242,852 km (0.057 R)
• M16: 13,673,694 km (0.117 R)
• M17: 15,303,264 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.8

Radius: 14.3

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.25 AU - 2.91 AU

Year: 2676 Days

Day: 9.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 29,104,319 km

• M1: 178,620 km (0.104 R)
• M2: 627,413 km (0.089 R)
• M3: 1,397,843 km (0.079 R)
• M4: 1,875,509 km (0.098 R)
• M5: 2,528,204 km (0.114 R)
• M6: 3,159,806 km (0.116 R)
• M7: 3,808,313 km (0.055 R)
• M8: 7,282,125 km (0.052 R)
• M9: 8,008,872 km (0.114 R)
• M10: 8,539,944 km (0.111 R)
• M11: 10,727,065 km (0.042 R)
• M12: 12,237,255 km (0.095 R)
• M13: 13,429,102 km (0.087 R)
• M14: 14,610,177 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.1

Radius: 9.1

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.97 AU - 4.61 AU

Year: 4764 Days

Day: 13.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 29,104,319 km

• M1: 113,096 km (0.054 R)
• M2: 411,544 km (0.113 R)
• M3: 1,107,024 km (0.047 R)
• M4: 1,820,456 km (0.045 R)
• M5: 2,628,883 km (0.103 R)
• M6: 3,825,816 km (0.057 R)
• M7: 4,130,248 km (0.111 R)
• M8: 5,406,018 km (0.03 R)
• M9: 8,064,073 km (0.107 R)
• M10: 9,360,040 km (0.064 R)
• M11: 9,754,679 km (0.112 R)
• M12: 17,262,248 km (0.092 R)
• M13: 20,832,401 km (0.069 R)
• M14: 22,613,214 km (0.049 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.9

Radius: 12.5

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.65 AU - 5.81 AU

Year: 6642 Days

Day: 12.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,104,319 km

• M1: 156,031 km (0.051 R)
• M2: 556,654 km (0.106 R)
• M3: 1,137,991 km (0.077 R)
• M4: 1,761,814 km (0.118 R)
• M5: 2,803,763 km (0.1 R)
• M6: 3,326,159 km (0.108 R)
• M7: 4,042,733 km (0.094 R)
• M8: 4,449,938 km (0.076 R)
• M9: 5,035,913 km (0.083 R)
• M10: 5,508,792 km (0.052 R)
• M11: 6,126,930 km (0.057 R)
• M12: 6,822,411 km (0.101 R)
• M13: 7,303,667 km (0.065 R)
• M14: 11,648,737 km (0.06 R)
• M15: 15,047,751 km (0.045 R)
• M16: 16,598,482 km (0.07 R)
• M17: 17,353,802 km (0.044 R)
• M18: 18,314,519 km (0.045 R)
• M19: 19,629,036 km (0.099 R)
• M20: 21,751,680 km (0.114 R)
• M21: 25,216,367 km (0.087 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.6

Radius: 13.3

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.56 AU - 6.36 AU

Year: 8238 Days

Day: 10.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 29,104,319 km

• M1: 174,581 km (0.086 R)
• M2: 665,860 km (0.12 R)
• M3: 1,934,899 km (0.086 R)
• M4: 2,542,266 km (0.114 R)
• M5: 3,822,226 km (0.118 R)
• M6: 4,619,881 km (0.11 R)
• M7: 5,464,062 km (0.111 R)
• M8: 6,477,588 km (0.058 R)
• M9: 8,166,997 km (0.07 R)
• M10: 9,581,145 km (0.113 R)
• M11: 11,102,705 km (0.116 R)
• M12: 12,185,345 km (0.082 R)
• M13: 14,620,499 km (0.069 R)
• M14: 16,631,842 km (0.113 R)
• M15: 17,162,317 km (0.112 R)
• M16: 18,537,869 km (0.095 R)
• M17: 27,537,527 km (0.114 R)
• M18: 29,324,175 km (0.12 R)
• M19: 29,806,927 km (0.102 R)
• M20: 30,590,371 km (0.114 R)
• M21: 32,919,460 km (0.066 R)
• M22: 34,607,822 km (0.111 R)
• M23: 36,798,683 km (0.081 R)

Asteroid Belt

Center: 5.72 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172

Radius: 9

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 5.12 AU - 6.84 AU

Year: 9442 Days

Day: 12.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 29,104,319 km

• M1: 123,269 km (0.098 R)
• M2: 464,651 km (0.116 R)
• M3: 886,966 km (0.096 R)
• M4: 1,192,145 km (0.098 R)
• M5: 1,640,789 km (0.085 R)
• M6: 2,481,978 km (0.114 R)
• M7: 3,419,508 km (0.094 R)
• M8: 3,868,003 km (0.118 R)
• M9: 4,935,533 km (0.114 R)
• M10: 5,258,216 km (0.068 R)
• M11: 6,954,955 km (0.08 R)
• M12: 7,535,394 km (0.111 R)
• M13: 8,184,649 km (0.079 R)
• M14: 13,399,481 km (0.119 R)
• M15: 15,011,698 km (0.058 R)
• M16: 16,214,614 km (0.036 R)
• M17: 16,990,728 km (0.071 R)
• M18: 27,903,593 km (0.073 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 17,446 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit