🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.49 AU - 0.73 AU

Year: 181 Days

Day: 34 Hours

Environment

Temp: 179 °C

Axial Tilt: 3.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.61 AU - 0.79 AU

Year: 223 Days

Day: 16.1 Hours

Environment

Temp: 167 °C

Axial Tilt: 5.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.93 AU - 1.05 AU

Year: 375 Days

Day: 29.7 Hours

Environment

Temp: -2 °C

Axial Tilt: 49.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.99 AU - 3.97 AU

Year: 2472 Days

Day: 40.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 37.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.5

Radius: 13.1

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 5.77 AU - 9.05 AU

Year: 7681 Days

Day: 6.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,161,881 km

• M1: 162,912 km (0.102 R)
• M2: 582,684 km (0.112 R)
• M3: 1,012,478 km (0.118 R)
• M4: 2,204,025 km (0.098 R)
• M5: 2,999,138 km (0.109 R)
• M6: 3,430,429 km (0.063 R)
• M7: 4,952,288 km (0.082 R)
• M8: 6,352,524 km (0.097 R)
• M9: 7,257,890 km (0.075 R)
• M10: 7,881,265 km (0.106 R)
• M11: 9,146,563 km (0.075 R)
• M12: 10,494,291 km (0.065 R)
• M13: 13,465,604 km (0.111 R)
• M14: 14,651,017 km (0.105 R)
• M15: 15,969,124 km (0.117 R)
• M16: 16,557,792 km (0.041 R)
• M17: 17,778,361 km (0.117 R)
• M18: 21,483,750 km (0.115 R)
• M19: 23,433,160 km (0.081 R)
• M20: 25,675,333 km (0.076 R)
• M21: 29,593,900 km (0.044 R)
• M22: 30,085,478 km (0.116 R)
• M23: 33,256,055 km (0.104 R)
• M24: 37,667,846 km (0.111 R)
• M25: 38,829,025 km (0.113 R)
• M26: 40,013,690 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.5

Radius: 12.4

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 6.94 AU - 8.72 AU

Year: 8343 Days

Day: 10.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,161,881 km

• M1: 158,125 km (0.101 R)
• M2: 977,173 km (0.032 R)
• M3: 1,512,584 km (0.064 R)
• M4: 2,063,553 km (0.12 R)
• M5: 2,837,872 km (0.091 R)
• M6: 3,362,362 km (0.066 R)
• M7: 5,311,921 km (0.111 R)
• M8: 6,139,347 km (0.039 R)
• M9: 7,494,105 km (0.056 R)
• M10: 9,421,375 km (0.103 R)
• M11: 11,178,252 km (0.077 R)
• M12: 14,655,505 km (0.055 R)
• M13: 15,184,184 km (0.086 R)
• M14: 15,976,005 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 295.2

Radius: 6.4

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 11.56 AU - 11.82 AU

Year: 15220 Days

Day: 16.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,161,881 km

• M1: 85,869 km (0.05 R)
• M2: 434,283 km (0.073 R)
• M3: 692,339 km (0.079 R)
• M4: 2,745,570 km (0.09 R)
• M5: 3,186,584 km (0.115 R)
• M6: 4,098,383 km (0.11 R)
• M7: 5,535,869 km (0.049 R)
• M8: 6,275,631 km (0.093 R)
• M9: 7,652,380 km (0.116 R)
• M10: 8,983,352 km (0.119 R)
• M11: 10,618,008 km (0.098 R)
• M12: 14,723,123 km (0.066 R)
• M13: 19,459,841 km (0.114 R)
• M14: 22,428,162 km (0.092 R)
• M15: 42,525,439 km (0.045 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 370.4

Radius: 4.4

Gravity: 19.13 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 10.45 AU - 14.51 AU

Year: 16789 Days

Day: 17.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 55,161,881 km

• M1: 54,753 km (0.05 R)
• M2: 212,579 km (0.097 R)
• M3: 508,932 km (0.094 R)
• M4: 1,091,915 km (0.107 R)
• M5: 1,384,827 km (0.079 R)
• M6: 2,317,570 km (0.111 R)
• M7: 2,756,490 km (0.037 R)
• M8: 3,273,650 km (0.059 R)
• M9: 3,993,366 km (0.066 R)
• M10: 6,302,708 km (0.032 R)
• M11: 8,399,023 km (0.112 R)
• M12: 9,836,509 km (0.076 R)
• M13: 10,368,030 km (0.09 R)
• M14: 11,721,442 km (0.041 R)
• M15: 12,077,335 km (0.079 R)
• M16: 13,768,539 km (0.026 R)
• M17: 13,965,709 km (0.105 R)
• M18: 14,231,545 km (0.117 R)
• M19: 20,709,132 km (0.092 R)
• M20: 22,476,182 km (0.037 R)
• M21: 23,117,509 km (0.086 R)
• M22: 24,054,889 km (0.112 R)
• M23: 25,805,633 km (0.048 R)
• M24: 27,743,823 km (0.111 R)
• M25: 30,327,976 km (0.109 R)
• M26: 32,600,368 km (0.081 R)
• M27: 35,351,024 km (0.109 R)
• M28: 43,952,902 km (0.104 R)
• M29: 44,810,845 km (0.076 R)
• M30: 51,604,234 km (0.095 R)
• M31: 52,558,818 km (0.098 R)
• M32: 54,667,400 km (0.117 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: 280 - 18,022 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit