🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.83 AU - 1.35 AU

Year: 416 Days

Day: 36.4 Hours

Environment

Temp: 15 °C

Axial Tilt: 39.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.78 AU - 2.52 AU

Year: 1151 Days

Day: 33.1 Hours

Environment

Temp: -64 °C

Axial Tilt: 5.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.41 AU - 2.81 AU

Year: 1540 Days

Day: 43.1 Hours

Environment

Temp: -94 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.14 AU - 4.8 AU

Year: 3452 Days

Day: 12.6 Hours

Environment

Temp: -131 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.3

Radius: 13.4

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4 AU - 6.3 AU

Year: 4269 Days

Day: 5.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 79,275,747 km

• M1: 166,652 km (0.096 R)
• M2: 514,018 km (0.104 R)
• M3: 1,208,452 km (0.115 R)
• M4: 1,601,744 km (0.077 R)
• M5: 2,820,967 km (0.064 R)
• M6: 3,093,086 km (0.105 R)
• M7: 3,412,926 km (0.057 R)
• M8: 4,591,907 km (0.117 R)
• M9: 5,590,173 km (0.112 R)
• M10: 6,232,995 km (0.074 R)
• M11: 6,862,204 km (0.097 R)
• M12: 8,078,584 km (0.092 R)
• M13: 8,993,076 km (0.062 R)
• M14: 11,130,381 km (0.106 R)
• M15: 11,741,638 km (0.111 R)
• M16: 12,672,585 km (0.117 R)
• M17: 13,186,155 km (0.079 R)
• M18: 14,497,081 km (0.085 R)
• M19: 15,832,840 km (0.096 R)
• M20: 16,561,831 km (0.056 R)
• M21: 17,706,554 km (0.082 R)
• M22: 17,988,546 km (0.096 R)
• M23: 18,682,979 km (0.106 R)
• M24: 21,152,092 km (0.12 R)
• M25: 21,637,836 km (0.101 R)
• M26: 22,489,945 km (0.102 R)
• M27: 23,128,280 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.2

Radius: 13.1

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 6.59 AU - 9.61 AU

Year: 8420 Days

Day: 9.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,275,747 km

• M1: 176,077 km (0.114 R)
• M2: 491,279 km (0.073 R)
• M3: 1,298,958 km (0.088 R)
• M4: 1,800,859 km (0.093 R)
• M5: 2,886,790 km (0.059 R)
• M6: 4,418,822 km (0.098 R)
• M7: 4,789,077 km (0.076 R)
• M8: 5,209,147 km (0.042 R)
• M9: 5,900,738 km (0.099 R)
• M10: 6,559,119 km (0.076 R)
• M11: 8,749,082 km (0.052 R)
• M12: 10,144,980 km (0.082 R)
• M13: 11,184,685 km (0.087 R)
• M14: 12,382,365 km (0.115 R)
• M15: 12,867,960 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 390.2

Radius: 7.6

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 14.22 AU - 19.16 AU

Year: 24904 Days

Day: 19.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 79,275,747 km

• M1: 94,546 km (0.104 R)
• M2: 867,967 km (0.086 R)
• M3: 1,092,513 km (0.067 R)
• M4: 2,562,911 km (0.11 R)
• M5: 4,294,057 km (0.106 R)
• M6: 4,798,352 km (0.115 R)
• M7: 5,023,197 km (0.107 R)
• M8: 5,370,414 km (0.075 R)
• M9: 5,810,680 km (0.101 R)
• M10: 9,543,596 km (0.035 R)
• M11: 9,861,192 km (0.076 R)
• M12: 11,241,083 km (0.109 R)
• M13: 12,290,961 km (0.103 R)
• M14: 12,833,553 km (0.117 R)
• M15: 14,338,507 km (0.086 R)
• M16: 16,963,052 km (0.113 R)
• M17: 20,266,921 km (0.092 R)
• M18: 20,420,558 km (0.098 R)
• M19: 20,807,418 km (0.11 R)
• M20: 22,149,760 km (0.06 R)
• M21: 22,552,627 km (0.117 R)
• M22: 23,369,132 km (0.12 R)
• M23: 29,401,068 km (0.114 R)
• M24: 29,679,021 km (0.116 R)
• M25: 32,046,856 km (0.119 R)
• M26: 33,215,664 km (0.092 R)
• M27: 36,435,459 km (0.106 R)
• M28: 40,996,997 km (0.078 R)
• M29: 42,986,649 km (0.057 R)
• M30: 43,322,795 km (0.094 R)
• M31: 43,886,031 km (0.107 R)
• M32: 44,339,163 km (0.03 R)
• M33: 44,680,695 km (0.092 R)
• M34: 48,523,117 km (0.106 R)
• M35: 48,999,586 km (0.044 R)
• M36: 53,268,810 km (0.056 R)
• M37: 53,518,189 km (0.046 R)
• M38: 64,929,515 km (0.057 R)
• M39: 67,568,571 km (0.081 R)
• M40: 70,117,120 km (0.076 R)
• M41: 70,546,466 km (0.106 R)
• M42: 72,567,534 km (0.068 R)
• M43: 72,858,651 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 339.2

Radius: 3.8

Gravity: 23.49 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 16.07 AU - 21.91 AU

Year: 30226 Days

Day: 23.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 79,275,747 km

• M1: 47,273 km (0.029 R)
• M2: 173,982 km (0.118 R)
• M3: 554,260 km (0.053 R)
• M4: 1,448,706 km (0.077 R)
• M5: 1,556,117 km (0.069 R)
• M6: 1,782,608 km (0.089 R)
• M7: 3,847,208 km (0.12 R)
• M8: 6,126,332 km (0.096 R)
• M9: 6,347,886 km (0.093 R)
• M10: 8,622,971 km (0.113 R)
• M11: 11,487,920 km (0.1 R)
• M12: 11,974,562 km (0.107 R)
• M13: 13,692,394 km (0.067 R)
• M14: 14,357,955 km (0.034 R)
• M15: 15,108,338 km (0.109 R)
• M16: 15,807,109 km (0.119 R)
• M17: 21,553,164 km (0.082 R)
• M18: 25,249,577 km (0.06 R)
• M19: 25,518,405 km (0.065 R)
• M20: 29,142,862 km (0.049 R)
• M21: 30,110,910 km (0.082 R)
• M22: 31,493,045 km (0.105 R)
• M23: 36,790,305 km (0.072 R)
• M24: 37,767,927 km (0.119 R)
• M25: 39,761,618 km (0.092 R)
• M26: 53,841,470 km (0.098 R)
• M27: 55,552,272 km (0.086 R)
• M28: 64,079,799 km (0.089 R)
• M29: 70,501,138 km (0.113 R)
• M30: 71,100,128 km (0.106 R)
• M31: 76,604,881 km (0.105 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 314 - 16,836 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit