🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.63 AU - 0.73 AU

Year: 209 Days

Day: 18.7 Hours

Environment

Temp: 196 °C

Axial Tilt: 8.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 2.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.29 AU - 5.35 AU

Year: 3347 Days

Day: 35.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 45 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.3

Radius: 10.1

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 7.36 AU - 10.84 AU

Year: 10233 Days

Day: 7.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,701,580 km

• M1: 125,662 km (0.109 R)
• M2: 440,267 km (0.102 R)
• M3: 787,782 km (0.098 R)
• M4: 1,910,963 km (0.055 R)
• M5: 2,227,064 km (0.06 R)
• M6: 5,263,003 km (0.079 R)
• M7: 5,751,141 km (0.075 R)
• M8: 6,093,121 km (0.072 R)
• M9: 6,818,073 km (0.079 R)
• M10: 8,259,747 km (0.082 R)
• M11: 8,696,124 km (0.059 R)
• M12: 10,180,135 km (0.098 R)
• M13: 11,376,918 km (0.099 R)
• M14: 14,617,956 km (0.117 R)
• M15: 15,970,769 km (0.083 R)
• M16: 16,995,216 km (0.093 R)
• M17: 18,305,992 km (0.087 R)
• M18: 19,111,577 km (0.118 R)
• M19: 19,427,677 km (0.061 R)
• M20: 24,672,728 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.1

Radius: 10.4

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 10.33 AU - 10.99 AU

Year: 12974 Days

Day: 9 Hours

Environment

Temp: -190 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 85,701,580 km

• M1: 130,150 km (0.085 R)
• M2: 518,656 km (0.091 R)
• M3: 993,180 km (0.067 R)
• M4: 2,813,637 km (0.118 R)
• M5: 3,741,742 km (0.111 R)
• M6: 4,570,514 km (0.102 R)
• M7: 6,479,981 km (0.102 R)
• M8: 7,391,332 km (0.106 R)
• M9: 7,877,973 km (0.097 R)
• M10: 8,429,242 km (0.109 R)
• M11: 8,825,826 km (0.116 R)
• M12: 9,373,952 km (0.107 R)
• M13: 10,487,858 km (0.036 R)
• M14: 10,843,901 km (0.115 R)
• M15: 13,566,732 km (0.104 R)
• M16: 14,112,166 km (0.117 R)
• M17: 18,349,525 km (0.112 R)
• M18: 18,941,933 km (0.104 R)
• M19: 21,521,748 km (0.114 R)
• M20: 22,938,141 km (0.074 R)
• M21: 23,974,854 km (0.108 R)
• M22: 26,702,622 km (0.093 R)
• M23: 33,201,303 km (0.045 R)
• M24: 33,859,683 km (0.117 R)
• M25: 34,192,239 km (0.117 R)
• M26: 43,230,942 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 139.9

Radius: 7.3

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 14.41 AU - 16.13 AU

Year: 22244 Days

Day: 20 Hours

Environment

Temp: -189 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,701,580 km

• M1: 90,806 km (0.071 R)
• M2: 623,225 km (0.084 R)
• M3: 886,816 km (0.05 R)
• M4: 1,225,805 km (0.058 R)
• M5: 1,738,926 km (0.097 R)
• M6: 2,349,435 km (0.106 R)
• M7: 4,436,624 km (0.06 R)
• M8: 5,075,257 km (0.105 R)
• M9: 5,704,616 km (0.084 R)
• M10: 5,949,208 km (0.076 R)
• M11: 6,421,937 km (0.058 R)
• M12: 11,041,819 km (0.046 R)
• M13: 15,725,728 km (0.088 R)
• M14: 17,419,625 km (0.078 R)
• M15: 18,085,186 km (0.101 R)
• M16: 22,612,167 km (0.065 R)
• M17: 26,176,486 km (0.111 R)
• M18: 28,954,967 km (0.07 R)
• M19: 33,936,277 km (0.071 R)
• M20: 34,973,439 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 700.9

Radius: 6.3

Gravity: 17.66 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 13.47 AU - 18.33 AU

Year: 23635 Days

Day: 23.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 85,701,580 km

• M1: 78,838 km (0.075 R)
• M2: 1,618,200 km (0.104 R)
• M3: 3,473,513 km (0.089 R)
• M4: 3,974,217 km (0.093 R)
• M5: 7,223,932 km (0.12 R)
• M6: 8,631,947 km (0.061 R)
• M7: 9,488,544 km (0.075 R)
• M8: 11,303,316 km (0.092 R)
• M9: 11,637,966 km (0.089 R)
• M10: 12,468,235 km (0.07 R)
• M11: 13,635,996 km (0.072 R)
• M12: 15,276,785 km (0.115 R)
• M13: 19,898,013 km (0.104 R)
• M14: 20,882,217 km (0.112 R)
• M15: 25,486,241 km (0.103 R)
• M16: 28,698,407 km (0.117 R)
• M17: 31,771,446 km (0.038 R)
• M18: 35,198,584 km (0.105 R)
• M19: 37,664,854 km (0.116 R)
• M20: 40,710,966 km (0.073 R)
• M21: 42,133,791 km (0.101 R)
• M22: 46,429,943 km (0.085 R)
• M23: 51,008,984 km (0.105 R)
• M24: 53,220,490 km (0.09 R)
• M25: 57,242,728 km (0.084 R)
• M26: 69,395,311 km (0.088 R)
• M27: 70,291,552 km (0.103 R)
• M28: 81,657,100 km (0.116 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 266 - 14,668 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit