🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.51 AU - 0.63 AU

Year: 196 Days

Day: 12.4 Hours

Environment

Temp: -10 °C

Axial Tilt: 4.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.2 AU - 1.22 AU

Year: 608 Days

Day: 34.5 Hours

Environment

Temp: -98 °C

Axial Tilt: 7.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277

Radius: 10.3

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 4.95 AU - 6.09 AU

Year: 5921 Days

Day: 7.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,658,461 km

• M1: 128,056 km (0.049 R)
• M2: 545,284 km (0.068 R)
• M3: 1,062,893 km (0.059 R)
• M4: 1,558,211 km (0.077 R)
• M5: 2,826,801 km (0.063 R)
• M6: 3,624,457 km (0.115 R)
• M7: 5,553,073 km (0.107 R)
• M8: 6,083,098 km (0.117 R)
• M9: 7,640,412 km (0.106 R)
• M10: 10,204,370 km (0.038 R)
• M11: 13,391,852 km (0.038 R)
• M12: 14,294,825 km (0.039 R)
• M13: 18,681,632 km (0.088 R)
• M14: 20,518,844 km (0.032 R)
• M15: 21,717,871 km (0.082 R)
• M16: 23,460,088 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.6

Radius: 12.2

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 6.47 AU - 7.03 AU

Year: 8007 Days

Day: 5.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 47,658,461 km

• M1: 156,180 km (0.096 R)
• M2: 562,338 km (0.056 R)
• M3: 1,801,009 km (0.095 R)
• M4: 3,035,640 km (0.114 R)
• M5: 3,601,868 km (0.086 R)
• M6: 4,237,659 km (0.066 R)
• M7: 4,711,884 km (0.032 R)
• M8: 5,346,628 km (0.091 R)
• M9: 7,012,849 km (0.054 R)
• M10: 8,216,364 km (0.109 R)
• M11: 9,228,842 km (0.05 R)
• M12: 10,126,429 km (0.055 R)
• M13: 10,978,090 km (0.039 R)
• M14: 13,701,220 km (0.036 R)
• M15: 14,123,984 km (0.087 R)
• M16: 16,302,877 km (0.114 R)
• M17: 17,262,098 km (0.12 R)
• M18: 18,041,802 km (0.089 R)
• M19: 18,770,942 km (0.09 R)
• M20: 23,911,275 km (0.108 R)
• M21: 24,436,663 km (0.064 R)
• M22: 27,274,833 km (0.112 R)
• M23: 27,848,541 km (0.111 R)
• M24: 29,517,754 km (0.103 R)
• M25: 30,838,554 km (0.101 R)
• M26: 31,670,617 km (0.071 R)
• M27: 36,517,439 km (0.045 R)
• M28: 38,515,617 km (0.114 R)
• M29: 38,996,126 km (0.079 R)
• M30: 40,958,401 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.3

Radius: 9.9

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 7.68 AU - 9 AU

Year: 10996 Days

Day: 11.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 47,658,461 km

• M1: 125,064 km (0.045 R)
• M2: 463,903 km (0.059 R)
• M3: 1,066,932 km (0.108 R)
• M4: 1,507,498 km (0.034 R)
• M5: 2,049,640 km (0.117 R)
• M6: 2,804,960 km (0.089 R)
• M7: 3,222,787 km (0.076 R)
• M8: 3,844,516 km (0.055 R)
• M9: 5,933,201 km (0.094 R)
• M10: 7,986,881 km (0.088 R)
• M11: 9,025,838 km (0.078 R)
• M12: 9,629,166 km (0.069 R)
• M13: 10,529,745 km (0.05 R)
• M14: 12,620,824 km (0.101 R)
• M15: 15,749,065 km (0.076 R)
• M16: 18,709,757 km (0.115 R)
• M17: 19,857,322 km (0.09 R)
• M18: 22,112,360 km (0.11 R)
• M19: 22,839,107 km (0.032 R)
• M20: 25,608,164 km (0.065 R)
• M21: 26,409,709 km (0.082 R)
• M22: 27,747,712 km (0.114 R)
• M23: 37,119,869 km (0.111 R)
• M24: 39,721,376 km (0.107 R)
• M25: 40,795,040 km (0.053 R)
• M26: 41,476,010 km (0.079 R)
• M27: 44,132,569 km (0.117 R)
• M28: 48,100,054 km (0.096 R)
• M29: 49,473,512 km (0.091 R)
• M30: 51,030,227 km (0.095 R)
• M31: 54,734,121 km (0.117 R)
• M32: 55,562,444 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 179.2

Radius: 4.6

Gravity: 8.47 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 9.96 AU - 14.38 AU

Year: 19384 Days

Day: 23.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,658,461 km

• M1: 65,075 km (0.101 R)
• M2: 432,338 km (0.03 R)
• M3: 809,923 km (0.104 R)
• M4: 1,617,003 km (0.063 R)
• M5: 2,204,923 km (0.038 R)
• M6: 3,386,148 km (0.116 R)
• M7: 5,900,888 km (0.1 R)
• M8: 7,103,954 km (0.062 R)
• M9: 9,783,850 km (0.073 R)
• M10: 12,949,491 km (0.116 R)
• M11: 14,631,869 km (0.099 R)
• M12: 27,769,853 km (0.102 R)
• M13: 29,084,519 km (0.087 R)
• M14: 31,187,117 km (0.071 R)
• M15: 33,388,898 km (0.075 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 19,338 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit