🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.71 AU - 0.8 AU

Year: 241 Days

Day: 40.2 Hours

Environment

Temp: 154 °C

Axial Tilt: 4.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.74 AU - 1.14 AU

Year: 338 Days

Day: 29.5 Hours

Environment

Temp: 44 °C

Axial Tilt: 35.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.03 AU - 1.05 AU

Year: 393 Days

Day: 38.4 Hours

Environment

Temp: 9 °C

Axial Tilt: 41 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 3.46 AU - 3.94 AU

Year: 2639 Days

Day: 13.9 Hours

Environment

Temp: -113 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.03 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.6

Radius: 9

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 6.04 AU - 6.66 AU

Year: 5934 Days

Day: 7.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,741,378 km

• M1: 112,348 km (0.094 R)
• M2: 533,017 km (0.119 R)
• M3: 830,867 km (0.058 R)
• M4: 1,186,311 km (0.087 R)
• M5: 1,527,245 km (0.087 R)
• M6: 2,056,522 km (0.105 R)
• M7: 2,379,953 km (0.08 R)
• M8: 3,380,463 km (0.089 R)
• M9: 3,706,437 km (0.089 R)
• M10: 4,143,562 km (0.045 R)
• M11: 6,549,993 km (0.044 R)
• M12: 6,865,046 km (0.092 R)
• M13: 7,323,115 km (0.103 R)
• M14: 7,628,145 km (0.031 R)
• M15: 8,707,344 km (0.089 R)
• M16: 9,641,433 km (0.076 R)
• M17: 10,554,878 km (0.11 R)
• M18: 10,901,047 km (0.117 R)
• M19: 11,707,679 km (0.084 R)
• M20: 12,125,655 km (0.106 R)
• M21: 13,090,113 km (0.049 R)
• M22: 13,795,168 km (0.045 R)
• M23: 15,892,829 km (0.063 R)
• M24: 16,405,501 km (0.094 R)
• M25: 18,818,664 km (0.062 R)
• M26: 22,652,558 km (0.087 R)
• M27: 23,156,554 km (0.107 R)
• M28: 24,941,855 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.1

Radius: 9.4

Gravity: 10.65 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 8.75 AU - 8.87 AU

Year: 9698 Days

Day: 10.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 60,741,378 km

• M1: 116,986 km (0.113 R)
• M2: 497,263 km (0.054 R)
• M3: 873,652 km (0.112 R)
• M4: 1,467,854 km (0.09 R)
• M5: 2,075,222 km (0.079 R)
• M6: 2,369,481 km (0.115 R)
• M7: 3,254,651 km (0.088 R)
• M8: 3,813,100 km (0.072 R)
• M9: 4,614,945 km (0.056 R)
• M10: 4,927,155 km (0.1 R)
• M11: 6,396,506 km (0.117 R)
• M12: 7,231,860 km (0.114 R)
• M13: 7,828,008 km (0.11 R)
• M14: 8,689,093 km (0.084 R)
• M15: 10,545,453 km (0.106 R)
• M16: 11,709,325 km (0.102 R)
• M17: 13,391,553 km (0.059 R)
• M18: 14,224,962 km (0.085 R)
• M19: 16,136,973 km (0.048 R)
• M20: 17,453,135 km (0.113 R)
• M21: 20,799,938 km (0.097 R)
• M22: 25,411,143 km (0.1 R)
• M23: 27,088,135 km (0.118 R)
• M24: 28,419,407 km (0.084 R)
• M25: 29,901,174 km (0.056 R)
• M26: 30,990,844 km (0.108 R)
• M27: 33,480,751 km (0.114 R)
• M28: 39,759,823 km (0.113 R)
• M29: 42,422,515 km (0.115 R)
• M30: 43,936,595 km (0.114 R)
• M31: 47,805,196 km (0.061 R)
• M32: 49,746,378 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 408.3

Radius: 7.7

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 11.48 AU - 15.6 AU

Year: 18477 Days

Day: 20.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,741,378 km

• M1: 97,089 km (0.106 R)
• M2: 353,649 km (0.108 R)
• M3: 795,861 km (0.06 R)
• M4: 1,089,521 km (0.114 R)
• M5: 2,294,981 km (0.038 R)
• M6: 2,925,237 km (0.046 R)
• M7: 3,476,355 km (0.12 R)
• M8: 4,399,075 km (0.103 R)
• M9: 5,226,650 km (0.1 R)
• M10: 5,622,038 km (0.095 R)
• M11: 6,677,750 km (0.115 R)
• M12: 7,540,780 km (0.118 R)
• M13: 8,046,121 km (0.1 R)
• M14: 8,427,746 km (0.108 R)
• M15: 8,821,338 km (0.088 R)
• M16: 9,645,323 km (0.104 R)
• M17: 10,021,412 km (0.114 R)
• M18: 11,564,963 km (0.097 R)
• M19: 12,487,832 km (0.054 R)
• M20: 14,972,952 km (0.088 R)
• M21: 16,904,709 km (0.11 R)
• M22: 20,719,455 km (0.101 R)
• M23: 22,637,449 km (0.084 R)
• M24: 23,398,304 km (0.084 R)
• M25: 29,883,072 km (0.068 R)
• M26: 30,913,951 km (0.032 R)
• M27: 31,614,368 km (0.078 R)
• M28: 35,275,926 km (0.082 R)
• M29: 36,040,670 km (0.06 R)
• M30: 42,132,595 km (0.12 R)
• M31: 42,418,177 km (0.091 R)
• M32: 50,950,791 km (0.09 R)
• M33: 53,583,564 km (0.064 R)
• M34: 56,478,881 km (0.025 R)
• M35: 58,053,099 km (0.088 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: 541 - 11,756 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit