🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.5 AU - 0.8 AU

Year: 338 Days

Day: 21.3 Hours

Environment

Temp: -126 °C

Axial Tilt: 22.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.12 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.1

Radius: 14.1

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.42 AU - 1.74 AU

Year: 1282 Days

Day: 13.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,785,875 km

• M1: 175,329 km (0.109 R)
• M2: 616,493 km (0.066 R)
• M3: 1,476,531 km (0.109 R)
• M4: 2,299,469 km (0.08 R)
• M5: 3,010,807 km (0.089 R)
• M6: 3,997,554 km (0.11 R)
• M7: 4,557,798 km (0.059 R)
• M8: 5,090,816 km (0.076 R)
• M9: 5,538,562 km (0.089 R)
• M10: 6,214,595 km (0.088 R)
• M11: 7,268,213 km (0.08 R)
• M12: 8,409,943 km (0.108 R)
• M13: 9,156,437 km (0.052 R)
• M14: 10,166,970 km (0.111 R)
• M15: 11,014,592 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.6

Radius: 12.1

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.38 AU - 2.28 AU

Year: 1598 Days

Day: 5.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 56,785,875 km

• M1: 153,188 km (0.11 R)
• M2: 1,843,345 km (0.093 R)
• M3: 2,348,238 km (0.119 R)
• M4: 3,102,959 km (0.07 R)
• M5: 4,886,764 km (0.081 R)
• M6: 5,396,444 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.2

Radius: 12.5

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.29 AU - 2.77 AU

Year: 2598 Days

Day: 6.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,785,875 km

• M1: 155,432 km (0.071 R)
• M2: 657,632 km (0.11 R)
• M3: 1,161,777 km (0.047 R)
• M4: 1,833,621 km (0.111 R)
• M5: 2,331,782 km (0.062 R)
• M6: 3,093,983 km (0.076 R)
• M7: 3,677,864 km (0.033 R)
• M8: 5,983,616 km (0.091 R)
• M9: 7,650,435 km (0.062 R)
• M10: 8,237,756 km (0.099 R)
• M11: 9,226,449 km (0.088 R)
• M12: 12,839,536 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.7

Radius: 13.2

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.69 AU - 3.13 AU

Year: 3205 Days

Day: 12 Hours

Environment

Temp: -211 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,785,875 km

• M1: 165,754 km (0.12 R)
• M2: 765,343 km (0.055 R)
• M3: 1,397,095 km (0.093 R)
• M4: 2,234,992 km (0.058 R)
• M5: 3,039,679 km (0.094 R)
• M6: 3,923,952 km (0.111 R)
• M7: 4,778,306 km (0.11 R)
• M8: 6,058,863 km (0.051 R)
• M9: 6,582,905 km (0.097 R)
• M10: 7,823,221 km (0.068 R)
• M11: 9,365,126 km (0.063 R)
• M12: 10,763,118 km (0.101 R)
• M13: 12,900,722 km (0.108 R)
• M14: 14,577,265 km (0.099 R)
• M15: 15,736,798 km (0.075 R)
• M16: 16,674,179 km (0.098 R)
• M17: 17,648,510 km (0.085 R)
• M18: 18,418,939 km (0.095 R)
• M19: 18,965,270 km (0.115 R)
• M20: 19,963,387 km (0.093 R)
• M21: 20,604,713 km (0.113 R)
• M22: 21,525,787 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.7

Radius: 8.2

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.05 AU - 4.93 AU

Year: 5146 Days

Day: 10.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,785,875 km

• M1: 102,475 km (0.1 R)
• M2: 595,699 km (0.079 R)
• M3: 899,981 km (0.072 R)
• M4: 1,254,378 km (0.061 R)
• M5: 1,748,799 km (0.11 R)
• M6: 2,180,539 km (0.093 R)
• M7: 3,124,800 km (0.096 R)
• M8: 3,410,383 km (0.065 R)
• M9: 3,729,924 km (0.061 R)
• M10: 4,228,533 km (0.077 R)
• M11: 4,522,344 km (0.119 R)
• M12: 5,212,887 km (0.118 R)
• M13: 6,703,929 km (0.111 R)
• M14: 7,600,619 km (0.057 R)
• M15: 8,373,890 km (0.065 R)
• M16: 12,626,060 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.5

Radius: 13.6

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 5.34 AU - 6.04 AU

Year: 8764 Days

Day: 11.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 56,785,875 km

• M1: 169,195 km (0.064 R)
• M2: 695,481 km (0.092 R)
• M3: 1,360,742 km (0.082 R)
• M4: 1,795,623 km (0.117 R)
• M5: 2,396,259 km (0.112 R)
• M6: 3,328,852 km (0.103 R)
• M7: 3,754,757 km (0.109 R)
• M8: 4,217,463 km (0.105 R)
• M9: 5,013,623 km (0.07 R)
• M10: 6,322,604 km (0.098 R)
• M11: 8,566,572 km (0.057 R)
• M12: 9,236,322 km (0.082 R)
• M13: 9,844,737 km (0.116 R)
• M14: 10,630,125 km (0.112 R)
• M15: 11,832,144 km (0.073 R)
• M16: 12,606,912 km (0.113 R)
• M17: 14,567,392 km (0.094 R)
• M18: 15,135,714 km (0.079 R)
• M19: 19,689,922 km (0.101 R)
• M20: 20,307,163 km (0.083 R)
• M21: 22,153,799 km (0.102 R)
• M22: 24,727,630 km (0.113 R)
• M23: 26,457,431 km (0.101 R)
• M24: 27,686,527 km (0.099 R)
• M25: 28,363,906 km (0.079 R)
• M26: 29,751,875 km (0.084 R)
• M27: 32,023,967 km (0.113 R)
• M28: 33,528,623 km (0.034 R)
• M29: 39,775,830 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 929

Radius: 3.4

Gravity: 80.36 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 5.99 AU - 7.32 AU

Year: 11073 Days

Day: 24.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 56,785,875 km

• M1: 42,336 km (0.107 R)
• M2: 241,601 km (0.112 R)
• M3: 356,941 km (0.115 R)
• M4: 1,110,315 km (0.111 R)
• M5: 1,287,888 km (0.049 R)
• M6: 2,194,750 km (0.098 R)
• M7: 2,392,668 km (0.104 R)
• M8: 2,893,223 km (0.09 R)
• M9: 4,617,039 km (0.119 R)
• M10: 9,900,985 km (0.054 R)
• M11: 10,060,906 km (0.084 R)
• M12: 10,550,839 km (0.099 R)
• M13: 11,519,335 km (0.088 R)
• M14: 11,995,056 km (0.085 R)
• M15: 13,565,834 km (0.116 R)
• M16: 13,697,181 km (0.084 R)
• M17: 14,230,797 km (0.063 R)
• M18: 16,430,035 km (0.106 R)
• M19: 16,729,380 km (0.112 R)
• M20: 17,571,317 km (0.11 R)
• M21: 17,805,737 km (0.106 R)
• M22: 19,173,660 km (0.115 R)
• M23: 21,665,960 km (0.118 R)
• M24: 22,298,460 km (0.079 R)
• M25: 24,173,071 km (0.101 R)
• M26: 25,049,864 km (0.113 R)
• M27: 27,491,302 km (0.114 R)
• M28: 29,753,670 km (0.077 R)
• M29: 30,647,069 km (0.11 R)
• M30: 33,077,436 km (0.117 R)
• M31: 39,241,167 km (0.076 R)
• M32: 40,314,981 km (0.082 R)
• M33: 41,408,391 km (0.107 R)
• M34: 46,424,558 km (0.12 R)
• M35: 51,990,945 km (0.033 R)
• M36: 53,122,653 km (0.066 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 548 - 16,739 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit