🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.67 AU - 0.91 AU

Year: 249 Days

Day: 40.3 Hours

Environment

Temp: 194 °C

Axial Tilt: 5.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.7 AU - 1.14 AU

Year: 313 Days

Day: 44.2 Hours

Environment

Temp: 119 °C

Axial Tilt: 47.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.63 AU - 3.27 AU

Year: 1798 Days

Day: 40.2 Hours

Environment

Temp: -103 °C

Axial Tilt: 16.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.09 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.4

Radius: 9.1

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 5.79 AU - 8.65 AU

Year: 6882 Days

Day: 9.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,057,425 km

• M1: 117,285 km (0.108 R)
• M2: 409,898 km (0.099 R)
• M3: 710,889 km (0.11 R)
• M4: 1,100,592 km (0.1 R)
• M5: 3,530,360 km (0.108 R)
• M6: 4,894,842 km (0.094 R)
• M7: 5,362,485 km (0.082 R)
• M8: 7,827,858 km (0.103 R)
• M9: 8,124,960 km (0.096 R)
• M10: 8,507,033 km (0.084 R)
• M11: 13,486,398 km (0.099 R)
• M12: 15,195,254 km (0.065 R)
• M13: 16,012,358 km (0.052 R)
• M14: 18,837,962 km (0.112 R)
• M15: 21,038,697 km (0.033 R)
• M16: 21,397,432 km (0.082 R)
• M17: 29,817,399 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.6

Radius: 13.5

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 7.49 AU - 8.35 AU

Year: 7907 Days

Day: 5.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 87,057,425 km

• M1: 167,849 km (0.092 R)
• M2: 816,655 km (0.116 R)
• M3: 2,014,335 km (0.082 R)
• M4: 2,530,149 km (0.075 R)
• M5: 3,514,054 km (0.108 R)
• M6: 4,348,810 km (0.114 R)
• M7: 4,824,382 km (0.116 R)
• M8: 14,985,219 km (0.083 R)
• M9: 16,518,447 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.5

Radius: 12.3

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 9.96 AU - 11.06 AU

Year: 12088 Days

Day: 9.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 87,057,425 km

• M1: 153,039 km (0.083 R)
• M2: 815,608 km (0.102 R)
• M3: 1,508,844 km (0.058 R)
• M4: 2,293,485 km (0.116 R)
• M5: 2,801,370 km (0.094 R)
• M6: 3,612,489 km (0.087 R)
• M7: 4,073,700 km (0.096 R)
• M8: 6,175,998 km (0.12 R)
• M9: 12,333,297 km (0.106 R)
• M10: 13,070,067 km (0.107 R)
• M11: 15,457,499 km (0.074 R)
• M12: 16,169,136 km (0.067 R)
• M13: 17,202,110 km (0.084 R)
• M14: 34,673,196 km (0.115 R)
• M15: 35,892,868 km (0.108 R)
• M16: 38,676,734 km (0.095 R)
• M17: 39,988,408 km (0.08 R)
• M18: 49,399,311 km (0.095 R)
• M19: 50,167,197 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 870.6

Radius: 3.8

Gravity: 60.29 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 14.57 AU - 16.49 AU

Year: 21712 Days

Day: 17.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 87,057,425 km

• M1: 47,572 km (0.088 R)
• M2: 225,444 km (0.044 R)
• M3: 653,593 km (0.071 R)
• M4: 1,280,408 km (0.095 R)
• M5: 1,541,456 km (0.051 R)
• M6: 2,564,855 km (0.12 R)
• M7: 3,289,208 km (0.06 R)
• M8: 3,777,795 km (0.096 R)
• M9: 4,709,491 km (0.113 R)
• M10: 7,308,604 km (0.111 R)
• M11: 7,459,099 km (0.09 R)
• M12: 10,923,487 km (0.119 R)
• M13: 11,725,631 km (0.061 R)
• M14: 18,560,907 km (0.103 R)
• M15: 20,089,797 km (0.098 R)
• M16: 20,385,403 km (0.057 R)
• M17: 21,597,295 km (0.056 R)
• M18: 22,220,969 km (0.114 R)
• M19: 24,052,944 km (0.065 R)
• M20: 27,406,031 km (0.115 R)
• M21: 30,019,805 km (0.089 R)
• M22: 31,851,780 km (0.096 R)
• M23: 38,092,106 km (0.028 R)
• M24: 39,001,511 km (0.066 R)
• M25: 39,307,738 km (0.067 R)
• M26: 40,236,442 km (0.032 R)
• M27: 44,763,722 km (0.1 R)
• M28: 47,323,192 km (0.075 R)
• M29: 50,885,267 km (0.042 R)
• M30: 51,987,803 km (0.115 R)
• M31: 54,240,298 km (0.054 R)
• M32: 56,949,516 km (0.105 R)
• M33: 59,544,590 km (0.106 R)
• M34: 62,217,455 km (0.099 R)
• M35: 67,140,422 km (0.044 R)
• M36: 73,943,086 km (0.103 R)

Kuiper Belt

Range: 30.9 - 51.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 382 - 19,324 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit