🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.72 AU - 1 AU

Year: 279 Days

Day: 21.8 Hours

Environment

Temp: 141 °C

Axial Tilt: 17.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.06 AU - 1.32 AU

Year: 454 Days

Day: 29.2 Hours

Environment

Temp: 41 °C

Axial Tilt: 36.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 3.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.1

Radius: 14.1

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 5.49 AU - 5.95 AU

Year: 4786 Days

Day: 8.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,373,736 km

• M1: 175,329 km (0.112 R)
• M2: 800,947 km (0.119 R)
• M3: 1,271,133 km (0.069 R)
• M4: 1,821,354 km (0.04 R)
• M5: 2,623,348 km (0.052 R)
• M6: 3,362,063 km (0.097 R)
• M7: 3,998,901 km (0.076 R)
• M8: 8,543,834 km (0.093 R)
• M9: 10,010,790 km (0.03 R)
• M10: 13,199,319 km (0.084 R)
• M11: 19,447,274 km (0.037 R)
• M12: 20,522,434 km (0.102 R)
• M13: 22,929,464 km (0.066 R)
• M14: 24,057,582 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.2

Radius: 10.6

Gravity: 8.71 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 5.88 AU - 6.04 AU

Year: 5090 Days

Day: 14.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,373,736 km

• M1: 132,843 km (0.081 R)
• M2: 517,160 km (0.067 R)
• M3: 884,273 km (0.095 R)
• M4: 2,042,759 km (0.12 R)
• M5: 2,459,987 km (0.115 R)
• M6: 4,679,122 km (0.104 R)
• M7: 14,249,496 km (0.081 R)
• M8: 16,841,429 km (0.098 R)
• M9: 19,102,003 km (0.079 R)
• M10: 20,741,446 km (0.079 R)
• M11: 22,627,725 km (0.037 R)
• M12: 25,964,356 km (0.086 R)
• M13: 30,745,953 km (0.11 R)
• M14: 31,321,755 km (0.111 R)
• M15: 31,709,662 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.1

Radius: 15

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 6.4 AU - 7.14 AU

Year: 6163 Days

Day: 14.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,373,736 km

• M1: 190,887 km (0.041 R)
• M2: 707,598 km (0.108 R)
• M3: 1,289,234 km (0.097 R)
• M4: 1,908,869 km (0.092 R)
• M5: 2,510,252 km (0.081 R)
• M6: 3,013,350 km (0.037 R)
• M7: 4,004,585 km (0.085 R)
• M8: 5,470,495 km (0.111 R)
• M9: 6,393,663 km (0.04 R)
• M10: 7,197,752 km (0.089 R)
• M11: 8,756,412 km (0.1 R)
• M12: 9,929,409 km (0.066 R)
• M13: 10,768,055 km (0.099 R)
• M14: 12,640,272 km (0.112 R)
• M15: 14,486,011 km (0.117 R)
• M16: 16,062,174 km (0.078 R)
• M17: 17,022,143 km (0.081 R)
• M18: 17,884,874 km (0.067 R)
• M19: 21,476,869 km (0.103 R)
• M20: 23,849,192 km (0.026 R)
• M21: 24,510,265 km (0.098 R)
• M22: 26,655,349 km (0.1 R)
• M23: 28,367,347 km (0.082 R)
• M24: 31,022,410 km (0.11 R)
• M25: 31,513,539 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.6

Radius: 14

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 8 AU - 9.12 AU

Year: 8762 Days

Day: 12.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,373,736 km

• M1: 174,132 km (0.082 R)
• M2: 969,095 km (0.088 R)
• M3: 2,130,872 km (0.115 R)
• M4: 2,867,642 km (0.081 R)
• M5: 3,570,004 km (0.097 R)
• M6: 4,852,656 km (0.103 R)
• M7: 5,451,197 km (0.113 R)
• M8: 10,239,525 km (0.078 R)
• M9: 14,770,396 km (0.064 R)
• M10: 16,237,802 km (0.084 R)
• M11: 18,467,857 km (0.095 R)
• M12: 19,383,695 km (0.075 R)
• M13: 20,570,754 km (0.116 R)
• M14: 23,440,490 km (0.116 R)
• M15: 24,879,173 km (0.042 R)
• M16: 34,543,495 km (0.069 R)
• M17: 36,523,572 km (0.037 R)
• M18: 37,120,168 km (0.069 R)
• M19: 37,602,023 km (0.055 R)
• M20: 43,849,380 km (0.026 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 234.6

Radius: 3.9

Gravity: 15.42 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 14.31 AU - 19.35 AU

Year: 24155 Days

Day: 21.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,373,736 km

• M1: 83,027 km (0.047 R)
• M2: 324,478 km (0.119 R)
• M3: 488,886 km (0.069 R)
• M4: 639,680 km (0.101 R)
• M5: 1,415,794 km (0.07 R)
• M6: 2,196,695 km (0.097 R)
• M7: 2,482,876 km (0.05 R)
• M8: 3,654,526 km (0.045 R)
• M9: 5,328,676 km (0.067 R)
• M10: 6,761,824 km (0.072 R)
• M11: 6,930,720 km (0.101 R)
• M12: 11,636,919 km (0.111 R)
• M13: 14,495,435 km (0.108 R)
• M14: 14,776,380 km (0.091 R)
• M15: 23,323,654 km (0.1 R)
• M16: 28,786,221 km (0.111 R)
• M17: 36,575,183 km (0.092 R)
• M18: 41,721,649 km (0.08 R)
• M19: 48,728,215 km (0.106 R)
• M20: 50,634,990 km (0.079 R)
• M21: 54,596,491 km (0.114 R)

Kuiper Belt

Range: 31.4 - 48.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 174 - 18,310 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit