🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.53 AU - 0.61 AU

Year: 282 Days

Day: 24.4 Hours

Environment

Temp: -116 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.53 AU - 0.67 AU

Year: 305 Days

Day: 30.7 Hours

Environment

Temp: -135 °C

Axial Tilt: 25.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.9 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.1

Radius: 10.6

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.11 AU - 1.27 AU

Year: 852 Days

Day: 7 Hours

Environment

Temp: -174 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,441,717 km

• M1: 131,796 km (0.089 R)
• M2: 508,932 km (0.103 R)
• M3: 883,675 km (0.072 R)
• M4: 1,304,942 km (0.099 R)
• M5: 1,932,505 km (0.113 R)
• M6: 2,274,785 km (0.097 R)
• M7: 2,835,179 km (0.119 R)
• M8: 3,174,916 km (0.092 R)
• M9: 3,831,949 km (0.12 R)
• M10: 4,543,736 km (0.057 R)
• M11: 5,211,391 km (0.062 R)
• M12: 7,587,903 km (0.111 R)
• M13: 8,298,643 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.7

Radius: 8

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.09 AU - 1.71 AU

Year: 1087 Days

Day: 8.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,441,717 km

• M1: 99,483 km (0.077 R)
• M2: 373,995 km (0.064 R)
• M3: 702,512 km (0.086 R)
• M4: 1,002,904 km (0.067 R)
• M5: 1,658,891 km (0.082 R)
• M6: 3,122,856 km (0.058 R)
• M7: 3,384,801 km (0.048 R)
• M8: 4,074,448 km (0.118 R)
• M9: 4,923,565 km (0.085 R)
• M10: 5,189,251 km (0.12 R)
• M11: 5,445,811 km (0.091 R)
• M12: 5,730,047 km (0.11 R)
• M13: 6,836,922 km (0.088 R)
• M14: 7,145,692 km (0.113 R)
• M15: 7,626,499 km (0.093 R)
• M16: 8,251,519 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.2

Radius: 10.5

Gravity: 9.05 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.65 AU - 2.83 AU

Year: 2975 Days

Day: 14 Hours

Environment

Temp: -206 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,441,717 km

• M1: 130,898 km (0.113 R)
• M2: 604,675 km (0.096 R)
• M3: 1,137,093 km (0.112 R)
• M4: 1,649,317 km (0.108 R)
• M5: 2,325,648 km (0.104 R)
• M6: 2,811,243 km (0.086 R)
• M7: 3,232,960 km (0.028 R)
• M8: 3,923,653 km (0.114 R)
• M9: 4,544,933 km (0.097 R)
• M10: 5,816,216 km (0.104 R)
• M11: 6,685,080 km (0.117 R)
• M12: 8,287,273 km (0.076 R)
• M13: 8,643,466 km (0.071 R)
• M14: 9,159,279 km (0.113 R)
• M15: 10,456,592 km (0.055 R)
• M16: 11,170,922 km (0.089 R)
• M17: 12,325,967 km (0.047 R)
• M18: 13,075,153 km (0.07 R)
• M19: 14,561,707 km (0.086 R)
• M20: 15,721,240 km (0.087 R)
• M21: 17,458,371 km (0.059 R)
• M22: 18,104,334 km (0.105 R)
• M23: 18,523,807 km (0.109 R)
• M24: 19,694,859 km (0.081 R)
• M25: 20,266,472 km (0.118 R)
• M26: 22,252,234 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.2

Radius: 8.6

Gravity: 9.97 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.6 AU - 4.34 AU

Year: 4240 Days

Day: 14.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,441,717 km

• M1: 107,112 km (0.087 R)
• M2: 465,399 km (0.091 R)
• M3: 1,173,446 km (0.112 R)
• M4: 2,242,023 km (0.08 R)
• M5: 2,557,076 km (0.079 R)
• M6: 3,835,540 km (0.029 R)
• M7: 4,455,773 km (0.06 R)
• M8: 4,957,075 km (0.042 R)
• M9: 5,523,453 km (0.095 R)
• M10: 5,983,316 km (0.114 R)
• M11: 9,022,696 km (0.087 R)
• M12: 12,182,652 km (0.085 R)
• M13: 12,764,588 km (0.077 R)
• M14: 13,364,775 km (0.104 R)
• M15: 14,621,696 km (0.098 R)
• M16: 17,127,610 km (0.098 R)
• M17: 20,374,781 km (0.086 R)
• M18: 20,987,534 km (0.089 R)
• M19: 21,823,637 km (0.085 R)
• M20: 22,107,274 km (0.04 R)
• M21: 22,681,730 km (0.109 R)
• M22: 23,192,607 km (0.063 R)
• M23: 24,694,420 km (0.111 R)
• M24: 25,941,767 km (0.107 R)
• M25: 26,260,111 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.5

Radius: 8.6

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 3.2 AU - 4.88 AU

Year: 5327 Days

Day: 10.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,441,717 km

• M1: 107,112 km (0.104 R)
• M2: 463,604 km (0.076 R)
• M3: 1,733,091 km (0.119 R)
• M4: 2,163,484 km (0.079 R)
• M5: 2,548,101 km (0.1 R)
• M6: 3,618,922 km (0.106 R)
• M7: 3,961,352 km (0.1 R)
• M8: 4,964,555 km (0.089 R)
• M9: 5,497,871 km (0.086 R)
• M10: 6,773,792 km (0.084 R)
• M11: 7,162,596 km (0.054 R)
• M12: 7,497,995 km (0.09 R)
• M13: 8,907,656 km (0.095 R)
• M14: 10,106,084 km (0.085 R)
• M15: 10,400,642 km (0.114 R)
• M16: 13,926,365 km (0.077 R)
• M17: 14,662,835 km (0.067 R)
• M18: 15,040,570 km (0.093 R)
• M19: 15,872,184 km (0.112 R)
• M20: 20,294,896 km (0.075 R)
• M21: 20,764,334 km (0.075 R)
• M22: 21,655,339 km (0.078 R)
• M23: 25,167,149 km (0.084 R)

Asteroid Belt

Center: 4.94 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56

Radius: 8.8

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 5.33 AU - 6.35 AU

Year: 9258 Days

Day: 10.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,441,717 km

• M1: 110,702 km (0.106 R)
• M2: 492,027 km (0.11 R)
• M3: 2,493,049 km (0.118 R)
• M4: 2,840,864 km (0.118 R)
• M5: 3,118,816 km (0.096 R)
• M6: 5,407,365 km (0.108 R)
• M7: 5,708,056 km (0.096 R)
• M8: 7,383,553 km (0.069 R)
• M9: 10,591,978 km (0.08 R)
• M10: 11,104,201 km (0.118 R)
• M11: 11,468,472 km (0.04 R)
• M12: 13,050,320 km (0.071 R)
• M13: 13,593,211 km (0.044 R)
• M14: 14,104,087 km (0.032 R)
• M15: 15,213,505 km (0.077 R)
• M16: 16,276,248 km (0.049 R)
• M17: 16,588,908 km (0.069 R)
• M18: 17,011,821 km (0.109 R)
• M19: 18,549,238 km (0.054 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 133.1

Radius: 5.5

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 9.09 AU - 10.33 AU

Year: 19849 Days

Day: 19.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,441,717 km

• M1: 68,516 km (0.116 R)
• M2: 423,960 km (0.078 R)
• M3: 643,869 km (0.1 R)
• M4: 1,250,489 km (0.035 R)
• M5: 1,773,932 km (0.036 R)
• M6: 2,027,051 km (0.049 R)
• M7: 2,933,913 km (0.063 R)
• M8: 3,311,947 km (0.109 R)
• M9: 4,556,003 km (0.117 R)
• M10: 4,790,124 km (0.107 R)
• M11: 7,077,774 km (0.116 R)
• M12: 9,572,319 km (0.069 R)
• M13: 16,683,155 km (0.111 R)
• M14: 17,169,647 km (0.094 R)
• M15: 23,077,416 km (0.115 R)
• M16: 23,421,192 km (0.106 R)
• M17: 33,827,071 km (0.091 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116.1

Radius: 5.6

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 10.14 AU - 10.46 AU

Year: 21685 Days

Day: 15.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 44,441,717 km

• M1: 69,713 km (0.109 R)
• M2: 251,324 km (0.117 R)
• M3: 468,989 km (0.091 R)
• M4: 840,590 km (0.103 R)
• M5: 1,174,343 km (0.079 R)
• M6: 2,071,631 km (0.08 R)
• M7: 2,485,269 km (0.097 R)
• M8: 2,867,043 km (0.099 R)
• M9: 3,380,613 km (0.03 R)
• M10: 3,671,880 km (0.084 R)
• M11: 5,289,930 km (0.12 R)
• M12: 5,682,924 km (0.082 R)
• M13: 6,201,281 km (0.058 R)
• M14: 7,492,460 km (0.089 R)
• M15: 8,505,237 km (0.069 R)
• M16: 11,701,545 km (0.087 R)
• M17: 12,087,358 km (0.079 R)
• M18: 14,837,266 km (0.086 R)
• M19: 18,789,044 km (0.086 R)
• M20: 23,389,777 km (0.103 R)
• M21: 23,650,825 km (0.047 R)
• M22: 24,178,756 km (0.051 R)
• M23: 27,900,751 km (0.116 R)
• M24: 28,589,200 km (0.119 R)
• M25: 35,188,112 km (0.111 R)
• M26: 39,819,961 km (0.088 R)
• M27: 41,196,262 km (0.096 R)
• M28: 42,604,127 km (0.048 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 13,767 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit