🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.09 AU - 1.71 AU

Year: 627 Days

Day: 18.5 Hours

Environment

Temp: -38 °C

Axial Tilt: 10.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,022,100 km

• M1: 299,794 km (0.093 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.78 AU - 4.52 AU

Year: 2641 Days

Day: 28.4 Hours

Environment

Temp: -133 °C

Axial Tilt: 35.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.32 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.1

Radius: 11.9

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.8 AU - 6.18 AU

Year: 4222 Days

Day: 12.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 84,022,100 km

• M1: 149,448 km (0.102 R)
• M2: 541,395 km (0.049 R)
• M3: 1,033,422 km (0.092 R)
• M4: 1,508,096 km (0.102 R)
• M5: 1,899,743 km (0.035 R)
• M6: 2,529,700 km (0.115 R)
• M7: 3,257,344 km (0.104 R)
• M8: 6,535,931 km (0.088 R)
• M9: 6,972,757 km (0.087 R)
• M10: 7,362,609 km (0.083 R)
• M11: 7,870,494 km (0.092 R)
• M12: 9,814,817 km (0.078 R)
• M13: 11,292,096 km (0.119 R)
• M14: 13,452,589 km (0.086 R)
• M15: 15,709,422 km (0.12 R)
• M16: 16,325,167 km (0.102 R)
• M17: 17,249,382 km (0.051 R)
• M18: 18,453,197 km (0.068 R)
• M19: 25,554,757 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173

Radius: 10.1

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 7 AU - 11.18 AU

Year: 10380 Days

Day: 14.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,022,100 km

• M1: 125,662 km (0.112 R)
• M2: 487,390 km (0.038 R)
• M3: 1,177,784 km (0.098 R)
• M4: 1,974,841 km (0.065 R)
• M5: 3,078,126 km (0.076 R)
• M6: 3,420,107 km (0.04 R)
• M7: 5,824,593 km (0.068 R)
• M8: 6,609,234 km (0.053 R)
• M9: 7,462,690 km (0.094 R)
• M10: 7,971,921 km (0.06 R)
• M11: 10,510,746 km (0.077 R)
• M12: 11,151,025 km (0.047 R)
• M13: 13,759,115 km (0.089 R)
• M14: 16,203,245 km (0.119 R)
• M15: 21,787,434 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.9

Radius: 8.4

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 7.48 AU - 11.1 AU

Year: 10724 Days

Day: 10.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 84,022,100 km

• M1: 105,317 km (0.115 R)
• M2: 412,890 km (0.057 R)
• M3: 844,181 km (0.1 R)
• M4: 1,113,307 km (0.063 R)
• M5: 1,453,792 km (0.047 R)
• M6: 1,832,574 km (0.065 R)
• M7: 2,154,808 km (0.113 R)
• M8: 3,174,616 km (0.067 R)
• M9: 3,766,575 km (0.119 R)
• M10: 4,402,067 km (0.106 R)
• M11: 5,107,271 km (0.053 R)
• M12: 5,988,253 km (0.098 R)
• M13: 6,267,852 km (0.052 R)
• M14: 7,514,750 km (0.089 R)
• M15: 7,881,863 km (0.115 R)
• M16: 8,919,474 km (0.058 R)
• M17: 9,755,427 km (0.057 R)
• M18: 11,158,356 km (0.07 R)
• M19: 13,389,159 km (0.118 R)
• M20: 14,989,108 km (0.08 R)
• M21: 16,712,476 km (0.088 R)
• M22: 18,490,596 km (0.086 R)
• M23: 22,334,812 km (0.099 R)
• M24: 25,295,205 km (0.081 R)
• M25: 34,262,849 km (0.114 R)
• M26: 37,000,341 km (0.071 R)
• M27: 39,512,538 km (0.077 R)
• M28: 41,249,070 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.5

Radius: 8.1

Gravity: 10.37 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 9.06 AU - 9.6 AU

Year: 10794 Days

Day: 11.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 84,022,100 km

• M1: 100,679 km (0.078 R)
• M2: 374,593 km (0.038 R)
• M3: 628,311 km (0.099 R)
• M4: 885,470 km (0.096 R)
• M5: 1,364,033 km (0.09 R)
• M6: 2,040,216 km (0.096 R)
• M7: 3,219,645 km (0.109 R)
• M8: 3,587,656 km (0.108 R)
• M9: 4,738,812 km (0.1 R)
• M10: 5,118,042 km (0.091 R)
• M11: 5,483,510 km (0.086 R)
• M12: 7,791,805 km (0.103 R)
• M13: 8,276,053 km (0.09 R)
• M14: 9,599,247 km (0.081 R)
• M15: 13,082,783 km (0.097 R)
• M16: 14,540,315 km (0.082 R)
• M17: 17,625,023 km (0.066 R)
• M18: 20,288,762 km (0.077 R)
• M19: 22,410,659 km (0.094 R)
• M20: 24,396,570 km (0.061 R)
• M21: 24,769,817 km (0.1 R)
• M22: 25,527,979 km (0.081 R)
• M23: 27,090,230 km (0.095 R)
• M24: 29,551,713 km (0.083 R)
• M25: 29,869,459 km (0.064 R)
• M26: 31,382,941 km (0.095 R)
• M27: 37,082,470 km (0.042 R)
• M28: 37,575,993 km (0.07 R)
• M29: 40,110,181 km (0.05 R)
• M30: 43,298,860 km (0.03 R)
• M31: 44,815,184 km (0.082 R)
• M32: 49,130,334 km (0.097 R)
• M33: 49,725,883 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.2

Radius: 10.6

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 9.7 AU - 13.02 AU

Year: 14502 Days

Day: 14.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 84,022,100 km

• M1: 131,945 km (0.114 R)
• M2: 561,291 km (0.068 R)
• M3: 2,882,452 km (0.096 R)
• M4: 3,417,264 km (0.094 R)
• M5: 4,213,274 km (0.061 R)
• M6: 6,548,647 km (0.077 R)
• M7: 8,719,162 km (0.045 R)
• M8: 9,538,809 km (0.11 R)
• M9: 10,621,299 km (0.107 R)
• M10: 12,072,548 km (0.025 R)
• M11: 12,604,518 km (0.073 R)
• M12: 13,970,796 km (0.062 R)
• M13: 14,623,491 km (0.072 R)
• M14: 16,559,437 km (0.112 R)
• M15: 19,613,328 km (0.084 R)
• M16: 21,962,164 km (0.114 R)
• M17: 22,934,251 km (0.073 R)
• M18: 27,615,468 km (0.056 R)
• M19: 28,229,268 km (0.085 R)
• M20: 36,442,939 km (0.106 R)
• M21: 40,628,837 km (0.108 R)
• M22: 41,823,825 km (0.109 R)
• M23: 44,843,159 km (0.093 R)
• M24: 45,265,773 km (0.062 R)
• M25: 46,549,771 km (0.094 R)
• M26: 47,128,266 km (0.116 R)
• M27: 51,158,732 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 980.8

Radius: 7.6

Gravity: 16.98 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 13.54 AU - 14.04 AU

Year: 19395 Days

Day: 23.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 84,022,100 km

• M1: 101,128 km (0.1 R)
• M2: 617,390 km (0.068 R)
• M3: 1,225,955 km (0.119 R)
• M4: 1,638,695 km (0.114 R)
• M5: 4,345,669 km (0.07 R)
• M6: 5,752,786 km (0.071 R)
• M7: 7,050,548 km (0.095 R)
• M8: 8,863,823 km (0.047 R)
• M9: 9,551,375 km (0.043 R)
• M10: 10,212,299 km (0.099 R)
• M11: 11,895,424 km (0.061 R)
• M12: 20,781,987 km (0.036 R)
• M13: 22,930,960 km (0.08 R)
• M14: 27,785,561 km (0.068 R)
• M15: 29,253,415 km (0.104 R)
• M16: 29,753,969 km (0.096 R)
• M17: 32,077,523 km (0.103 R)
• M18: 53,105,599 km (0.107 R)
• M19: 55,934,793 km (0.113 R)
• M20: 58,664,506 km (0.084 R)
• M21: 61,481,882 km (0.113 R)
• M22: 66,519,292 km (0.112 R)
• M23: 73,654,362 km (0.1 R)
• M24: 75,514,612 km (0.073 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 427 - 12,462 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit