🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.62 AU - 0.66 AU

Year: 336 Days

Day: 19.7 Hours

Environment

Temp: -126 °C

Axial Tilt: 38.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 62,683,764 km

• M1: 541,694 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.4

Radius: 13.3

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.04 AU - 1.24 AU

Year: 798 Days

Day: 8.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,683,764 km

• M1: 166,203 km (0.092 R)
• M2: 664,215 km (0.103 R)
• M3: 1,481,019 km (0.089 R)
• M4: 2,395,361 km (0.119 R)
• M5: 3,984,988 km (0.114 R)
• M6: 4,683,760 km (0.065 R)
• M7: 5,445,362 km (0.115 R)
• M8: 7,069,397 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.3

Radius: 13.1

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.18 AU - 1.78 AU

Year: 1181 Days

Day: 7.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,683,764 km

• M1: 166,054 km (0.108 R)
• M2: 677,080 km (0.092 R)
• M3: 1,337,405 km (0.068 R)
• M4: 2,036,775 km (0.119 R)
• M5: 2,741,979 km (0.067 R)
• M6: 3,373,731 km (0.088 R)
• M7: 3,781,834 km (0.073 R)
• M8: 4,294,057 km (0.077 R)
• M9: 4,775,314 km (0.099 R)
• M10: 5,210,494 km (0.079 R)
• M11: 5,650,611 km (0.079 R)
• M12: 6,230,153 km (0.074 R)
• M13: 6,898,556 km (0.116 R)
• M14: 7,800,631 km (0.118 R)
• M15: 8,577,643 km (0.099 R)
• M16: 9,074,308 km (0.077 R)
• M17: 9,620,938 km (0.089 R)
• M18: 11,118,563 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.3

Radius: 10.1

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.07 AU - 2.87 AU

Year: 2547 Days

Day: 5.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 129.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,683,764 km

• M1: 125,961 km (0.1 R)
• M2: 449,542 km (0.096 R)
• M3: 1,157,439 km (0.037 R)
• M4: 1,702,873 km (0.06 R)
• M5: 2,285,706 km (0.116 R)
• M6: 2,601,657 km (0.109 R)
• M7: 3,073,039 km (0.051 R)
• M8: 3,404,698 km (0.043 R)
• M9: 4,267,728 km (0.056 R)
• M10: 5,553,821 km (0.113 R)
• M11: 6,359,705 km (0.117 R)
• M12: 6,857,417 km (0.051 R)
• M13: 7,172,919 km (0.045 R)
• M14: 8,078,584 km (0.04 R)
• M15: 8,688,794 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 736

Radius: 3.3

Gravity: 67.58 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 5.14 AU - 7.34 AU

Year: 10226 Days

Day: 21 Hours

Environment

Temp: -222 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 62,683,764 km

• M1: 41,139 km (0.049 R)
• M2: 457,470 km (0.108 R)
• M3: 578,495 km (0.077 R)
• M4: 712,235 km (0.093 R)
• M5: 886,218 km (0.039 R)
• M6: 1,031,926 km (0.062 R)
• M7: 1,157,588 km (0.102 R)
• M8: 1,345,334 km (0.075 R)
• M9: 1,538,614 km (0.041 R)
• M10: 1,929,663 km (0.115 R)
• M11: 2,231,103 km (0.109 R)
• M12: 2,383,393 km (0.094 R)
• M13: 2,949,172 km (0.11 R)
• M14: 3,251,510 km (0.078 R)
• M15: 3,782,732 km (0.114 R)
• M16: 4,887,213 km (0.053 R)
• M17: 5,512,831 km (0.068 R)
• M18: 5,970,601 km (0.079 R)
• M19: 7,665,096 km (0.108 R)
• M20: 8,737,862 km (0.1 R)
• M21: 12,313,550 km (0.106 R)
• M22: 12,609,455 km (0.093 R)
• M23: 13,777,365 km (0.063 R)
• M24: 14,160,785 km (0.099 R)
• M25: 17,338,992 km (0.082 R)
• M26: 18,011,883 km (0.092 R)
• M27: 20,961,654 km (0.118 R)
• M28: 23,216,842 km (0.071 R)
• M29: 25,917,083 km (0.085 R)
• M30: 26,894,556 km (0.104 R)
• M31: 27,896,562 km (0.081 R)
• M32: 30,187,803 km (0.072 R)
• M33: 30,725,458 km (0.048 R)
• M34: 31,930,768 km (0.109 R)
• M35: 32,940,105 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 607.1

Radius: 6.9

Gravity: 12.75 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 7.49 AU - 9.25 AU

Year: 15885 Days

Day: 20.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 62,683,764 km

• M1: 86,468 km (0.092 R)
• M2: 415,583 km (0.063 R)
• M3: 641,027 km (0.062 R)
• M4: 1,087,577 km (0.108 R)
• M5: 1,445,265 km (0.107 R)
• M6: 1,692,850 km (0.108 R)
• M7: 2,042,310 km (0.043 R)
• M8: 2,376,512 km (0.107 R)
• M9: 4,002,641 km (0.114 R)
• M10: 4,592,355 km (0.08 R)
• M11: 4,959,319 km (0.059 R)
• M12: 5,418,136 km (0.033 R)
• M13: 6,379,751 km (0.108 R)
• M14: 7,008,660 km (0.059 R)
• M15: 8,438,367 km (0.061 R)
• M16: 8,736,067 km (0.104 R)
• M17: 10,557,421 km (0.088 R)
• M18: 12,489,926 km (0.099 R)
• M19: 13,810,875 km (0.068 R)
• M20: 14,224,663 km (0.069 R)
• M21: 16,418,666 km (0.073 R)
• M22: 17,757,267 km (0.044 R)
• M23: 20,649,742 km (0.038 R)
• M24: 21,373,347 km (0.1 R)
• M25: 21,741,507 km (0.115 R)
• M26: 27,026,052 km (0.084 R)
• M27: 28,110,786 km (0.115 R)
• M28: 28,999,248 km (0.067 R)
• M29: 30,020,852 km (0.098 R)
• M30: 37,055,542 km (0.069 R)
• M31: 37,854,395 km (0.11 R)
• M32: 41,449,082 km (0.104 R)
• M33: 43,328,929 km (0.112 R)
• M34: 49,308,505 km (0.106 R)
• M35: 51,089,468 km (0.07 R)
• M36: 51,417,686 km (0.117 R)
• M37: 56,513,438 km (0.088 R)
• M38: 57,748,967 km (0.108 R)
• M39: 60,640,694 km (0.115 R)
• M40: 61,935,613 km (0.067 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 11,541 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit