🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.39 AU - 0.61 AU

Year: 228 Days

Day: 32.5 Hours

Environment

Temp: -119 °C

Axial Tilt: 42.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.44 AU - 0.58 AU

Year: 235 Days

Day: 41.9 Hours

Environment

Temp: -121 °C

Axial Tilt: 42.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.1

Radius: 9

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.85 AU - 1.15 AU

Year: 646 Days

Day: 9.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,886,736 km

• M1: 113,694 km (0.093 R)
• M2: 445,054 km (0.088 R)
• M3: 832,063 km (0.116 R)
• M4: 1,147,864 km (0.074 R)
• M5: 1,626,428 km (0.071 R)
• M6: 2,056,522 km (0.099 R)
• M7: 2,570,690 km (0.063 R)
• M8: 2,858,815 km (0.072 R)
• M9: 3,168,483 km (0.111 R)
• M10: 4,154,782 km (0.114 R)
• M11: 5,099,791 km (0.09 R)

Asteroid Belt

Center: 1.45 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.1

Radius: 11.7

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.74 AU - 2.06 AU

Year: 1691 Days

Day: 10.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,886,736 km

• M1: 145,559 km (0.115 R)
• M2: 594,352 km (0.113 R)
• M3: 1,012,179 km (0.097 R)
• M4: 1,383,780 km (0.067 R)
• M5: 1,807,741 km (0.078 R)
• M6: 2,188,318 km (0.12 R)
• M7: 2,785,064 km (0.051 R)
• M8: 3,313,443 km (0.079 R)
• M9: 4,103,619 km (0.111 R)
• M10: 4,514,714 km (0.109 R)
• M11: 5,333,314 km (0.045 R)
• M12: 5,732,740 km (0.108 R)
• M13: 6,104,640 km (0.045 R)
• M14: 8,126,007 km (0.069 R)
• M15: 8,747,287 km (0.094 R)
• M16: 9,463,711 km (0.048 R)
• M17: 10,084,692 km (0.084 R)
• M18: 12,112,042 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.3

Radius: 12.5

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.91 AU - 3.11 AU

Year: 3372 Days

Day: 13.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 78.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,886,736 km

• M1: 155,582 km (0.072 R)
• M2: 599,738 km (0.105 R)
• M3: 1,265,000 km (0.078 R)
• M4: 1,748,350 km (0.049 R)
• M5: 2,487,214 km (0.088 R)
• M6: 3,013,350 km (0.082 R)
• M7: 3,976,311 km (0.088 R)
• M8: 4,719,214 km (0.082 R)
• M9: 5,403,774 km (0.05 R)
• M10: 6,107,632 km (0.116 R)
• M11: 6,674,907 km (0.117 R)
• M12: 8,418,171 km (0.051 R)
• M13: 9,031,672 km (0.12 R)
• M14: 9,550,178 km (0.107 R)
• M15: 10,814,879 km (0.115 R)
• M16: 11,434,962 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.8

Radius: 12.9

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3.17 AU - 5.13 AU

Year: 5459 Days

Day: 11.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,886,736 km

• M1: 160,967 km (0.042 R)
• M2: 705,055 km (0.071 R)
• M3: 1,234,033 km (0.093 R)
• M4: 1,642,585 km (0.114 R)
• M5: 2,607,042 km (0.092 R)
• M6: 3,235,952 km (0.117 R)
• M7: 4,417,775 km (0.096 R)
• M8: 5,544,247 km (0.072 R)
• M9: 7,125,047 km (0.077 R)
• M10: 7,653,277 km (0.106 R)
• M11: 8,631,049 km (0.095 R)
• M12: 9,355,552 km (0.044 R)
• M13: 10,120,296 km (0.043 R)
• M14: 12,921,965 km (0.114 R)
• M15: 13,656,042 km (0.089 R)
• M16: 14,584,446 km (0.103 R)
• M17: 15,264,967 km (0.093 R)
• M18: 16,085,511 km (0.058 R)
• M19: 16,811,958 km (0.059 R)
• M20: 18,989,655 km (0.033 R)
• M21: 19,528,207 km (0.097 R)
• M22: 22,375,653 km (0.101 R)
• M23: 22,901,040 km (0.094 R)
• M24: 26,980,574 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 535.2

Radius: 3.5

Gravity: 43.69 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 5.64 AU - 6.4 AU

Year: 9537 Days

Day: 17.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 38,886,736 km

• M1: 43,533 km (0.094 R)
• M2: 375,191 km (0.084 R)
• M3: 530,324 km (0.104 R)
• M4: 743,801 km (0.08 R)
• M5: 1,328,878 km (0.112 R)
• M6: 1,693,597 km (0.046 R)
• M7: 1,875,658 km (0.108 R)
• M8: 2,425,430 km (0.088 R)
• M9: 2,617,514 km (0.083 R)
• M10: 2,882,153 km (0.075 R)
• M11: 3,254,801 km (0.07 R)
• M12: 4,480,007 km (0.099 R)
• M13: 5,101,587 km (0.101 R)
• M14: 5,645,375 km (0.059 R)
• M15: 5,914,202 km (0.095 R)
• M16: 7,467,627 km (0.104 R)
• M17: 8,294,903 km (0.088 R)
• M18: 9,090,015 km (0.113 R)
• M19: 9,934,645 km (0.089 R)
• M20: 10,779,125 km (0.115 R)
• M21: 12,217,060 km (0.078 R)
• M22: 16,462,348 km (0.1 R)
• M23: 16,598,333 km (0.095 R)
• M24: 16,872,246 km (0.094 R)
• M25: 18,142,781 km (0.055 R)
• M26: 21,676,432 km (0.12 R)
• M27: 22,251,486 km (0.12 R)
• M28: 23,603,851 km (0.114 R)
• M29: 23,776,637 km (0.075 R)
• M30: 24,300,229 km (0.085 R)
• M31: 25,642,571 km (0.118 R)
• M32: 25,825,080 km (0.087 R)
• M33: 27,795,434 km (0.091 R)
• M34: 31,611,376 km (0.119 R)
• M35: 32,456,904 km (0.067 R)
• M36: 32,670,679 km (0.075 R)
• M37: 32,992,913 km (0.115 R)
• M38: 34,525,244 km (0.098 R)
• M39: 38,681,970 km (0.096 R)
• M40: 42,263,493 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.4

Radius: 4.6

Gravity: 13.72 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.04 AU - 7.38 AU

Year: 11223 Days

Day: 17.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 38,886,736 km

• M1: 58,194 km (0.104 R)
• M2: 307,124 km (0.079 R)
• M3: 838,646 km (0.11 R)
• M4: 1,225,207 km (0.114 R)
• M5: 1,960,929 km (0.067 R)
• M6: 2,204,773 km (0.056 R)
• M7: 3,123,005 km (0.103 R)
• M8: 3,502,086 km (0.101 R)
• M9: 3,836,737 km (0.083 R)
• M10: 5,087,674 km (0.079 R)
• M11: 6,342,950 km (0.078 R)
• M12: 7,135,220 km (0.118 R)
• M13: 7,362,310 km (0.078 R)
• M14: 8,360,726 km (0.093 R)
• M15: 8,698,518 km (0.102 R)
• M16: 9,089,267 km (0.119 R)
• M17: 9,859,248 km (0.106 R)
• M18: 10,188,513 km (0.109 R)
• M19: 14,793,135 km (0.093 R)
• M20: 15,983,934 km (0.113 R)
• M21: 16,177,663 km (0.075 R)
• M22: 19,789,255 km (0.088 R)
• M23: 23,319,017 km (0.11 R)
• M24: 23,987,719 km (0.072 R)
• M25: 25,188,242 km (0.069 R)
• M26: 26,789,987 km (0.11 R)
• M27: 27,246,709 km (0.026 R)
• M28: 28,647,992 km (0.051 R)
• M29: 30,096,548 km (0.093 R)
• M30: 30,490,888 km (0.097 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 17,211 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit