🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.94 AU - 1.4 AU

Year: 451 Days

Day: 35.7 Hours

Environment

Temp: 14 °C

Axial Tilt: 49.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.25 AU - 1.43 AU

Year: 553 Days

Day: 25.9 Hours

Environment

Temp: 5 °C

Axial Tilt: 37 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 79,582,964 km

• M1: 609,462 km (0.068 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.32 AU - 1.62 AU

Year: 635 Days

Day: 20.2 Hours

Environment

Temp: -15 °C

Axial Tilt: 31.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.41

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.16 AU - 3.92 AU

Year: 2374 Days

Day: 47.2 Hours

Environment

Temp: -102 °C

Axial Tilt: 36.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 79,582,964 km

• M1: 1,550,432 km (0.065 R)

Planet 5 - Terrestrial

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.97 AU - 5.04 AU

Year: 3985 Days

Day: 28.6 Hours

Environment

Temp: -133 °C

Axial Tilt: 1.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 4.52 AU - 5.82 AU

Year: 4190 Days

Day: 29.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 10.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.25 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388

Radius: 14.1

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 7.26 AU - 7.4 AU

Year: 7074 Days

Day: 12.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,582,964 km

• M1: 175,329 km (0.103 R)
• M2: 670,498 km (0.036 R)
• M3: 1,331,571 km (0.039 R)
• M4: 1,920,687 km (0.086 R)
• M5: 2,682,140 km (0.119 R)
• M6: 3,242,833 km (0.073 R)
• M7: 4,916,384 km (0.092 R)
• M8: 5,356,202 km (0.12 R)
• M9: 5,913,005 km (0.079 R)
• M10: 6,573,181 km (0.096 R)
• M11: 7,387,592 km (0.062 R)
• M12: 10,868,884 km (0.092 R)
• M13: 11,959,602 km (0.059 R)
• M14: 14,138,046 km (0.104 R)
• M15: 15,907,639 km (0.072 R)
• M16: 18,932,658 km (0.119 R)
• M17: 21,731,484 km (0.105 R)
• M18: 22,848,831 km (0.1 R)
• M19: 23,383,194 km (0.106 R)
• M20: 27,963,432 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 443.1

Radius: 5.5

Gravity: 14.65 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 12.91 AU - 17.33 AU

Year: 20957 Days

Day: 23.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 79,582,964 km

• M1: 68,366 km (0.06 R)
• M2: 306,526 km (0.056 R)
• M3: 627,413 km (0.113 R)
• M4: 1,316,312 km (0.102 R)
• M5: 1,705,416 km (0.097 R)
• M6: 2,069,238 km (0.067 R)
• M7: 4,640,676 km (0.115 R)
• M8: 5,201,368 km (0.085 R)
• M9: 5,924,524 km (0.087 R)
• M10: 7,662,702 km (0.1 R)
• M11: 8,494,915 km (0.115 R)
• M12: 9,011,776 km (0.096 R)
• M13: 9,994,484 km (0.067 R)
• M14: 11,046,756 km (0.098 R)
• M15: 16,388,297 km (0.1 R)
• M16: 17,188,197 km (0.055 R)
• M17: 17,515,367 km (0.042 R)
• M18: 21,676,133 km (0.07 R)
• M19: 23,131,272 km (0.073 R)
• M20: 26,668,364 km (0.091 R)
• M21: 30,669,359 km (0.106 R)
• M22: 32,004,819 km (0.079 R)
• M23: 34,402,274 km (0.113 R)
• M24: 37,598,283 km (0.092 R)
• M25: 38,149,551 km (0.088 R)
• M26: 40,552,542 km (0.119 R)
• M27: 42,159,971 km (0.108 R)
• M28: 44,113,869 km (0.091 R)
• M29: 44,419,797 km (0.057 R)
• M30: 47,077,104 km (0.075 R)
• M31: 48,851,783 km (0.084 R)
• M32: 52,021,463 km (0.103 R)
• M33: 55,325,631 km (0.1 R)
• M34: 58,214,366 km (0.12 R)
• M35: 66,874,736 km (0.089 R)
• M36: 67,683,612 km (0.044 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 432.4

Radius: 7.3

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 14.3 AU - 21.44 AU

Year: 26927 Days

Day: 22.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 79,582,964 km

• M1: 93,199 km (0.069 R)
• M2: 381,175 km (0.115 R)
• M3: 698,472 km (0.101 R)
• M4: 996,322 km (0.06 R)
• M5: 1,440,179 km (0.118 R)
• M6: 2,390,873 km (0.05 R)
• M7: 2,921,646 km (0.114 R)
• M8: 4,117,233 km (0.116 R)
• M9: 5,216,478 km (0.118 R)
• M10: 7,382,954 km (0.118 R)
• M11: 11,203,684 km (0.067 R)
• M12: 12,059,832 km (0.088 R)
• M13: 12,400,467 km (0.115 R)
• M14: 13,172,541 km (0.099 R)
• M15: 18,944,476 km (0.073 R)
• M16: 19,405,088 km (0.06 R)
• M17: 20,062,421 km (0.111 R)
• M18: 20,444,643 km (0.095 R)
• M19: 21,322,334 km (0.025 R)
• M20: 21,921,324 km (0.102 R)
• M21: 23,152,814 km (0.073 R)
• M22: 24,213,762 km (0.112 R)
• M23: 26,891,863 km (0.063 R)
• M24: 27,239,977 km (0.061 R)
• M25: 29,269,272 km (0.118 R)
• M26: 30,887,622 km (0.111 R)
• M27: 35,262,163 km (0.079 R)
• M28: 39,432,503 km (0.117 R)
• M29: 41,404,352 km (0.09 R)
• M30: 44,241,775 km (0.07 R)
• M31: 47,882,389 km (0.097 R)
• M32: 51,539,309 km (0.108 R)
• M33: 58,233,963 km (0.09 R)
• M34: 59,403,220 km (0.102 R)
• M35: 60,191,451 km (0.109 R)
• M36: 74,223,133 km (0.093 R)
• M37: 75,828,019 km (0.09 R)

Kuiper Belt

Range: 30.8 - 54.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 15,535 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit