🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.87 AU - 1.09 AU

Year: 371 Days

Day: 42.2 Hours

Environment

Temp: 19 °C

Axial Tilt: 24.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 72,604,189 km

• M1: 270,772 km (0.111 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.11 AU - 1.33 AU

Year: 516 Days

Day: 32.5 Hours

Environment

Temp: -30 °C

Axial Tilt: 29.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693

Radius: 10.6

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.04 AU - 4.36 AU

Year: 3296 Days

Day: 13.5 Hours

Environment

Temp: -131 °C

Axial Tilt: 138.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,604,189 km

• M1: 137,331 km (0.104 R)
• M2: 818,450 km (0.079 R)
• M3: 1,648,269 km (0.094 R)
• M4: 2,833,832 km (0.103 R)
• M5: 3,950,431 km (0.105 R)
• M6: 4,426,302 km (0.088 R)
• M7: 4,988,790 km (0.114 R)
• M8: 5,894,156 km (0.085 R)
• M9: 6,314,227 km (0.117 R)
• M10: 7,630,539 km (0.06 R)
• M11: 9,048,278 km (0.095 R)
• M12: 11,301,072 km (0.053 R)
• M13: 11,775,297 km (0.114 R)
• M14: 12,625,911 km (0.115 R)
• M15: 17,733,332 km (0.078 R)
• M16: 19,151,819 km (0.119 R)
• M17: 20,201,397 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.1

Radius: 14.8

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 4.09 AU - 5.13 AU

Year: 3790 Days

Day: 6.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,604,189 km

• M1: 184,005 km (0.037 R)
• M2: 826,079 km (0.085 R)
• M3: 1,435,242 km (0.102 R)
• M4: 2,026,303 km (0.053 R)
• M5: 2,595,074 km (0.094 R)
• M6: 3,568,059 km (0.053 R)
• M7: 4,336,094 km (0.104 R)
• M8: 4,848,467 km (0.117 R)
• M9: 5,996,182 km (0.089 R)
• M10: 6,509,602 km (0.057 R)
• M11: 7,184,587 km (0.111 R)
• M12: 8,637,332 km (0.11 R)
• M13: 10,278,271 km (0.106 R)
• M14: 11,650,981 km (0.115 R)
• M15: 13,701,669 km (0.074 R)
• M16: 14,543,007 km (0.1 R)
• M17: 15,474,404 km (0.069 R)
• M18: 18,319,755 km (0.1 R)
• M19: 20,199,004 km (0.099 R)
• M20: 22,061,348 km (0.109 R)
• M21: 24,035,740 km (0.074 R)
• M22: 25,027,275 km (0.117 R)
• M23: 26,205,059 km (0.091 R)
• M24: 27,337,515 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744

Radius: 11.9

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 4.67 AU - 5.21 AU

Year: 4204 Days

Day: 8 Hours

Environment

Temp: -155 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,604,189 km

• M1: 147,952 km (0.054 R)
• M2: 604,076 km (0.113 R)
• M3: 1,015,770 km (0.112 R)
• M4: 1,485,357 km (0.1 R)
• M5: 2,085,394 km (0.075 R)
• M6: 2,842,509 km (0.112 R)
• M7: 4,748,685 km (0.082 R)
• M8: 5,625,778 km (0.118 R)
• M9: 7,123,551 km (0.087 R)
• M10: 7,493,657 km (0.066 R)
• M11: 8,126,904 km (0.078 R)
• M12: 9,026,586 km (0.11 R)
• M13: 10,413,209 km (0.071 R)
• M14: 11,247,516 km (0.102 R)
• M15: 12,364,414 km (0.065 R)
• M16: 13,049,273 km (0.051 R)
• M17: 14,071,325 km (0.042 R)
• M18: 14,763,814 km (0.055 R)
• M19: 16,800,589 km (0.096 R)
• M20: 18,258,420 km (0.106 R)
• M21: 20,668,741 km (0.102 R)
• M22: 25,016,504 km (0.091 R)
• M23: 26,033,021 km (0.118 R)
• M24: 26,591,620 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816

Radius: 15

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.74 AU - 6.74 AU

Year: 5265 Days

Day: 10.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,604,189 km

• M1: 186,549 km (0.098 R)
• M2: 671,096 km (0.111 R)
• M3: 1,414,149 km (0.111 R)
• M4: 1,966,015 km (0.098 R)
• M5: 3,739,797 km (0.099 R)
• M6: 5,879,944 km (0.094 R)
• M7: 7,887,548 km (0.078 R)
• M8: 9,529,833 km (0.096 R)
• M9: 10,140,043 km (0.088 R)
• M10: 10,776,133 km (0.063 R)
• M11: 11,878,969 km (0.103 R)
• M12: 12,432,481 km (0.093 R)
• M13: 13,754,776 km (0.077 R)
• M14: 16,430,334 km (0.082 R)
• M15: 16,928,794 km (0.088 R)
• M16: 17,760,409 km (0.03 R)
• M17: 19,644,295 km (0.107 R)
• M18: 22,257,919 km (0.117 R)
• M19: 23,727,269 km (0.089 R)
• M20: 25,841,387 km (0.077 R)
• M21: 28,433,918 km (0.119 R)
• M22: 32,935,467 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 172

Radius: 7.9

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 10.22 AU - 15.08 AU

Year: 17227 Days

Day: 23.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 72,604,189 km

• M1: 101,876 km (0.111 R)
• M2: 529,128 km (0.093 R)
• M3: 961,166 km (0.119 R)
• M4: 1,427,762 km (0.116 R)
• M5: 2,515,189 km (0.113 R)
• M6: 2,936,008 km (0.116 R)
• M7: 3,944,746 km (0.082 R)
• M8: 4,401,618 km (0.032 R)
• M9: 5,044,739 km (0.055 R)
• M10: 5,293,521 km (0.049 R)
• M11: 6,055,123 km (0.062 R)
• M12: 8,255,259 km (0.09 R)
• M13: 9,699,627 km (0.103 R)
• M14: 13,791,577 km (0.049 R)
• M15: 14,218,230 km (0.117 R)
• M16: 15,682,195 km (0.045 R)
• M17: 20,437,313 km (0.106 R)
• M18: 21,313,358 km (0.108 R)
• M19: 22,297,413 km (0.026 R)
• M20: 22,632,063 km (0.05 R)
• M21: 24,267,617 km (0.117 R)
• M22: 25,522,145 km (0.112 R)
• M23: 26,631,413 km (0.12 R)
• M24: 28,748,073 km (0.101 R)
• M25: 33,640,672 km (0.061 R)
• M26: 35,881,049 km (0.037 R)
• M27: 39,547,394 km (0.081 R)
• M28: 43,326,087 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 243.6

Radius: 6.5

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 14.38 AU - 23.26 AU

Year: 31261 Days

Day: 21.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 72,604,189 km

• M1: 81,680 km (0.099 R)
• M2: 940,372 km (0.069 R)
• M3: 1,400,086 km (0.055 R)
• M4: 1,672,803 km (0.092 R)
• M5: 1,942,678 km (0.035 R)
• M6: 2,158,847 km (0.12 R)
• M7: 2,956,503 km (0.102 R)
• M8: 4,349,857 km (0.079 R)
• M9: 5,766,848 km (0.082 R)
• M10: 6,258,726 km (0.095 R)
• M11: 9,757,820 km (0.068 R)
• M12: 11,500,636 km (0.117 R)
• M13: 12,212,871 km (0.074 R)
• M14: 12,681,112 km (0.101 R)
• M15: 15,127,636 km (0.091 R)
• M16: 19,723,133 km (0.106 R)
• M17: 28,642,906 km (0.079 R)
• M18: 32,932,774 km (0.117 R)
• M19: 33,448,738 km (0.119 R)
• M20: 40,067,845 km (0.075 R)
• M21: 40,655,914 km (0.082 R)
• M22: 42,151,145 km (0.066 R)
• M23: 43,373,509 km (0.056 R)
• M24: 50,692,286 km (0.093 R)
• M25: 53,480,790 km (0.092 R)
• M26: 61,478,442 km (0.091 R)
• M27: 62,457,111 km (0.113 R)
• M28: 63,844,631 km (0.114 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 14,190 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit