🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.87 AU - 1.33 AU

Year: 527 Days

Day: 39.5 Hours

Environment

Temp: -80 °C

Axial Tilt: 39.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.13 AU - 1.47 AU

Year: 677 Days

Day: 15.5 Hours

Environment

Temp: -98 °C

Axial Tilt: 46.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.93 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.6

Radius: 9.4

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.51 AU - 4.59 AU

Year: 4431 Days

Day: 9.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 56,873,284 km

• M1: 116,836 km (0.111 R)
• M2: 484,548 km (0.102 R)
• M3: 879,486 km (0.032 R)
• M4: 1,264,700 km (0.117 R)
• M5: 2,340,010 km (0.116 R)
• M6: 2,698,596 km (0.107 R)
• M7: 3,040,128 km (0.119 R)
• M8: 3,667,242 km (0.112 R)
• M9: 4,265,035 km (0.08 R)
• M10: 6,632,870 km (0.082 R)
• M11: 7,553,346 km (0.098 R)
• M12: 8,201,105 km (0.055 R)
• M13: 9,184,860 km (0.069 R)
• M14: 10,326,891 km (0.084 R)
• M15: 10,910,921 km (0.057 R)
• M16: 11,254,547 km (0.092 R)
• M17: 12,890,849 km (0.089 R)
• M18: 14,525,056 km (0.03 R)
• M19: 14,836,369 km (0.117 R)
• M20: 17,027,230 km (0.088 R)
• M21: 18,080,099 km (0.113 R)
• M22: 19,113,821 km (0.066 R)
• M23: 19,866,896 km (0.108 R)
• M24: 20,509,569 km (0.034 R)
• M25: 21,836,203 km (0.082 R)
• M26: 24,148,836 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740

Radius: 11.7

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.7 AU - 5.08 AU

Year: 4937 Days

Day: 14.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,873,284 km

• M1: 145,559 km (0.085 R)
• M2: 537,356 km (0.118 R)
• M3: 954,734 km (0.06 R)
• M4: 1,917,695 km (0.067 R)
• M5: 2,315,177 km (0.085 R)
• M6: 3,401,856 km (0.036 R)
• M7: 4,880,481 km (0.076 R)
• M8: 5,401,082 km (0.093 R)
• M9: 6,204,422 km (0.03 R)
• M10: 7,468,225 km (0.102 R)
• M11: 8,236,410 km (0.094 R)
• M12: 8,777,356 km (0.108 R)
• M13: 10,859,758 km (0.085 R)
• M14: 11,510,808 km (0.035 R)
• M15: 12,536,002 km (0.059 R)
• M16: 16,395,328 km (0.112 R)
• M17: 17,692,342 km (0.104 R)
• M18: 21,556,305 km (0.091 R)
• M19: 22,361,890 km (0.113 R)
• M20: 25,139,174 km (0.093 R)
• M21: 30,266,043 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.6

Radius: 10.9

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 5.79 AU - 9.09 AU

Year: 9265 Days

Day: 8.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,873,284 km

• M1: 137,181 km (0.065 R)
• M2: 539,600 km (0.057 R)
• M3: 1,306,588 km (0.103 R)
• M4: 1,844,243 km (0.035 R)
• M5: 4,700,515 km (0.106 R)
• M6: 5,183,865 km (0.095 R)
• M7: 10,032,183 km (0.065 R)
• M8: 16,859,381 km (0.105 R)
• M9: 20,180,454 km (0.118 R)
• M10: 25,712,882 km (0.084 R)
• M11: 26,083,137 km (0.091 R)
• M12: 27,024,257 km (0.096 R)
• M13: 27,503,269 km (0.078 R)
• M14: 27,987,966 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.9

Radius: 12.9

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 6.92 AU - 10.84 AU

Year: 12081 Days

Day: 7.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 175.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,873,284 km

• M1: 199,863 km (0.059 R)
• M2: 1,443,769 km (0.108 R)
• M3: 2,848,493 km (0.053 R)
• M4: 5,022,599 km (0.076 R)
• M5: 6,469,360 km (0.062 R)
• M6: 6,929,972 km (0.092 R)
• M7: 9,376,495 km (0.118 R)
• M8: 10,119,398 km (0.119 R)
• M9: 10,847,940 km (0.097 R)
• M10: 11,835,436 km (0.102 R)
• M11: 15,768,364 km (0.094 R)
• M12: 16,963,052 km (0.105 R)
• M13: 18,674,452 km (0.1 R)
• M14: 26,290,928 km (0.111 R)
• M15: 41,764,434 km (0.099 R)
• M16: 47,692,848 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 666.4

Radius: 7.8

Gravity: 10.95 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 8.76 AU - 10.94 AU

Year: 14114 Days

Day: 19.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 56,873,284 km

• M1: 97,089 km (0.084 R)
• M2: 379,979 km (0.063 R)
• M3: 649,554 km (0.066 R)
• M4: 1,789,789 km (0.109 R)
• M5: 3,168,483 km (0.091 R)
• M6: 3,802,030 km (0.108 R)
• M7: 4,974,279 km (0.093 R)
• M8: 8,534,708 km (0.053 R)
• M9: 10,023,656 km (0.11 R)
• M10: 11,030,449 km (0.112 R)
• M11: 12,103,216 km (0.032 R)
• M12: 13,573,164 km (0.091 R)
• M13: 14,593,571 km (0.097 R)
• M14: 16,181,553 km (0.11 R)
• M15: 16,482,245 km (0.071 R)
• M16: 17,881,583 km (0.093 R)
• M17: 20,126,299 km (0.106 R)
• M18: 20,561,779 km (0.025 R)
• M19: 21,181,862 km (0.105 R)
• M20: 21,997,320 km (0.076 R)
• M21: 23,212,054 km (0.104 R)
• M22: 24,274,349 km (0.099 R)
• M23: 24,966,987 km (0.106 R)
• M24: 26,391,608 km (0.118 R)
• M25: 36,480,189 km (0.1 R)
• M26: 38,846,528 km (0.105 R)
• M27: 42,016,656 km (0.114 R)
• M28: 42,300,294 km (0.078 R)
• M29: 43,014,773 km (0.087 R)
• M30: 46,254,315 km (0.099 R)
• M31: 47,165,217 km (0.091 R)
• M32: 50,128,900 km (0.107 R)
• M33: 52,226,861 km (0.054 R)
• M34: 54,214,568 km (0.118 R)
• M35: 59,582,139 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 443.1

Radius: 5.7

Gravity: 13.64 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 8.17 AU - 13.31 AU

Year: 16070 Days

Day: 15.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 56,873,284 km

• M1: 71,358 km (0.098 R)
• M2: 1,035,068 km (0.082 R)
• M3: 2,056,971 km (0.107 R)
• M4: 2,403,439 km (0.054 R)
• M5: 3,212,465 km (0.089 R)
• M6: 4,249,328 km (0.091 R)
• M7: 4,714,278 km (0.098 R)
• M8: 5,968,207 km (0.113 R)
• M9: 6,274,583 km (0.09 R)
• M10: 6,877,164 km (0.073 R)
• M11: 7,256,694 km (0.098 R)
• M12: 8,575,399 km (0.039 R)
• M13: 12,157,071 km (0.069 R)
• M14: 13,805,939 km (0.093 R)
• M15: 15,670,227 km (0.099 R)
• M16: 18,569,135 km (0.091 R)
• M17: 27,970,463 km (0.119 R)
• M18: 28,827,809 km (0.081 R)
• M19: 29,923,763 km (0.108 R)
• M20: 30,370,013 km (0.034 R)
• M21: 30,707,506 km (0.087 R)
• M22: 31,275,529 km (0.09 R)
• M23: 31,734,944 km (0.082 R)
• M24: 38,912,201 km (0.1 R)
• M25: 39,310,431 km (0.106 R)
• M26: 40,249,906 km (0.107 R)
• M27: 41,617,978 km (0.061 R)
• M28: 43,016,868 km (0.09 R)
• M29: 45,760,343 km (0.081 R)
• M30: 46,650,301 km (0.098 R)
• M31: 48,925,834 km (0.116 R)
• M32: 53,532,850 km (0.081 R)
• M33: 54,190,183 km (0.109 R)
• M34: 55,019,404 km (0.083 R)
• M35: 55,520,856 km (0.082 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: 412 - 20,043 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit