🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.53 AU - 0.87 AU

Year: 256 Days

Day: 36.7 Hours

Environment

Temp: -17 °C

Axial Tilt: 16.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.73 AU - 0.83 AU

Year: 301 Days

Day: 45.7 Hours

Environment

Temp: -22 °C

Axial Tilt: 3.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,322,539 km

• M1: 198,666 km (0.088 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.75 AU - 0.89 AU

Year: 324 Days

Day: 25.8 Hours

Environment

Temp: -46 °C

Axial Tilt: 10.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.76 AU - 0.96 AU

Year: 348 Days

Day: 21.1 Hours

Environment

Temp: -48 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.8 AU - 0.96 AU

Year: 360 Days

Day: 47.9 Hours

Environment

Temp: -49 °C

Axial Tilt: 32.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.9 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.8

Radius: 11

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.75 AU - 3.07 AU

Year: 2167 Days

Day: 6.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 76,322,539 km

• M1: 137,032 km (0.069 R)
• M2: 664,963 km (0.091 R)
• M3: 1,039,406 km (0.081 R)
• M4: 1,866,383 km (0.064 R)
• M5: 2,661,645 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.8

Radius: 11.4

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.12 AU - 3.36 AU

Year: 2546 Days

Day: 9.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,322,539 km

• M1: 141,819 km (0.102 R)
• M2: 853,007 km (0.108 R)
• M3: 1,930,710 km (0.089 R)
• M4: 2,334,026 km (0.064 R)
• M5: 2,938,701 km (0.098 R)
• M6: 3,819,084 km (0.09 R)
• M7: 6,655,759 km (0.027 R)
• M8: 7,650,884 km (0.075 R)
• M9: 8,536,653 km (0.09 R)
• M10: 11,356,573 km (0.114 R)
• M11: 12,999,606 km (0.03 R)
• M12: 13,364,775 km (0.079 R)
• M13: 17,736,024 km (0.08 R)
• M14: 18,527,846 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 604.4

Radius: 4.6

Gravity: 28.56 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 11.09 AU - 15.69 AU

Year: 21390 Days

Day: 24.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 76,322,539 km

• M1: 103,971 km (0.117 R)
• M2: 425,307 km (0.064 R)
• M3: 649,255 km (0.066 R)
• M4: 891,603 km (0.058 R)
• M5: 1,660,686 km (0.11 R)
• M6: 1,804,150 km (0.039 R)
• M7: 3,615,481 km (0.119 R)
• M8: 4,477,614 km (0.066 R)
• M9: 4,651,147 km (0.053 R)
• M10: 4,901,724 km (0.037 R)
• M11: 5,198,975 km (0.102 R)
• M12: 7,874,682 km (0.094 R)
• M13: 8,334,397 km (0.105 R)
• M14: 9,140,131 km (0.081 R)
• M15: 9,419,729 km (0.104 R)
• M16: 10,657,502 km (0.068 R)
• M17: 10,967,469 km (0.071 R)
• M18: 11,283,270 km (0.1 R)
• M19: 14,556,022 km (0.112 R)
• M20: 14,937,497 km (0.086 R)
• M21: 16,612,993 km (0.067 R)
• M22: 17,283,042 km (0.101 R)
• M23: 21,586,973 km (0.11 R)
• M24: 22,283,500 km (0.111 R)
• M25: 26,216,279 km (0.097 R)
• M26: 26,667,167 km (0.102 R)
• M27: 26,894,705 km (0.115 R)
• M28: 33,272,212 km (0.113 R)
• M29: 33,668,198 km (0.119 R)
• M30: 35,420,288 km (0.081 R)
• M31: 36,249,060 km (0.054 R)
• M32: 36,528,210 km (0.1 R)
• M33: 38,667,459 km (0.057 R)
• M34: 39,546,048 km (0.11 R)
• M35: 44,298,173 km (0.091 R)
• M36: 48,905,489 km (0.077 R)
• M37: 50,278,199 km (0.084 R)
• M38: 51,500,114 km (0.097 R)
• M39: 56,586,442 km (0.096 R)
• M40: 58,672,883 km (0.077 R)
• M41: 59,637,939 km (0.108 R)
• M42: 67,743,002 km (0.106 R)
• M43: 69,018,623 km (0.116 R)
• M44: 71,837,496 km (0.082 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: 358 - 12,287 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit