🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.56 AU - 0.76 AU

Year: 225 Days

Day: 37.6 Hours

Environment

Temp: 16 °C

Axial Tilt: 21.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 4.37 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.9

Radius: 12.5

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 6.91 AU - 9.25 AU

Year: 9623 Days

Day: 8.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,738,925 km

• M1: 155,432 km (0.116 R)
• M2: 901,028 km (0.108 R)
• M3: 2,012,690 km (0.079 R)
• M4: 2,448,169 km (0.102 R)
• M5: 2,871,531 km (0.115 R)
• M6: 3,687,737 km (0.083 R)
• M7: 4,731,631 km (0.112 R)
• M8: 6,088,035 km (0.082 R)
• M9: 12,455,519 km (0.11 R)
• M10: 15,129,730 km (0.084 R)
• M11: 15,540,825 km (0.054 R)
• M12: 16,080,275 km (0.101 R)
• M13: 16,694,225 km (0.047 R)
• M14: 18,832,128 km (0.048 R)
• M15: 20,355,034 km (0.114 R)
• M16: 28,236,000 km (0.087 R)
• M17: 30,413,696 km (0.114 R)
• M18: 32,118,962 km (0.092 R)

Planet 3 - Ice Giant

Semi-Major Axis: 10.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 949.9

Radius: 6.8

Gravity: 20.54 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 9.67 AU - 11.95 AU

Year: 14891 Days

Day: 16.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 80,738,925 km

• M1: 86,916 km (0.088 R)
• M2: 338,839 km (0.084 R)
• M3: 585,077 km (0.082 R)
• M4: 1,871,769 km (0.112 R)
• M5: 4,026,576 km (0.102 R)
• M6: 5,894,306 km (0.102 R)
• M7: 7,735,706 km (0.103 R)
• M8: 9,483,308 km (0.112 R)
• M9: 10,332,127 km (0.096 R)
• M10: 11,478,645 km (0.095 R)
• M11: 16,999,554 km (0.074 R)
• M12: 17,825,783 km (0.091 R)
• M13: 18,939,689 km (0.108 R)
• M14: 19,291,543 km (0.099 R)
• M15: 22,363,086 km (0.107 R)
• M16: 22,954,447 km (0.083 R)
• M17: 23,455,301 km (0.119 R)
• M18: 25,638,382 km (0.094 R)
• M19: 25,853,055 km (0.086 R)
• M20: 29,454,325 km (0.046 R)
• M21: 29,808,124 km (0.115 R)
• M22: 39,603,792 km (0.053 R)
• M23: 45,455,163 km (0.084 R)
• M24: 47,526,795 km (0.084 R)
• M25: 50,666,555 km (0.096 R)
• M26: 51,686,064 km (0.071 R)
• M27: 54,826,722 km (0.057 R)
• M28: 64,016,220 km (0.078 R)
• M29: 69,284,907 km (0.118 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 642.7

Radius: 6.8

Gravity: 13.9 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 9.41 AU - 15.17 AU

Year: 18051 Days

Day: 21.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 80,738,925 km

• M1: 118,781 km (0.104 R)
• M2: 483,052 km (0.111 R)
• M3: 709,842 km (0.102 R)
• M4: 1,057,208 km (0.11 R)
• M5: 1,467,406 km (0.118 R)
• M6: 2,277,029 km (0.108 R)
• M7: 2,581,610 km (0.109 R)
• M8: 2,864,051 km (0.041 R)
• M9: 3,299,531 km (0.097 R)
• M10: 3,690,430 km (0.1 R)
• M11: 3,927,542 km (0.073 R)
• M12: 4,174,678 km (0.085 R)
• M13: 5,195,833 km (0.098 R)
• M14: 5,494,281 km (0.117 R)
• M15: 6,003,512 km (0.059 R)
• M16: 6,760,029 km (0.085 R)
• M17: 7,161,400 km (0.095 R)
• M18: 10,429,216 km (0.055 R)
• M19: 11,456,803 km (0.102 R)
• M20: 13,995,330 km (0.091 R)
• M21: 14,573,974 km (0.113 R)
• M22: 18,556,718 km (0.101 R)
• M23: 20,610,697 km (0.102 R)
• M24: 27,226,364 km (0.104 R)
• M25: 27,674,260 km (0.053 R)
• M26: 28,700,202 km (0.118 R)
• M27: 30,107,319 km (0.086 R)
• M28: 33,312,603 km (0.087 R)
• M29: 36,466,875 km (0.05 R)
• M30: 37,423,104 km (0.11 R)
• M31: 37,837,939 km (0.108 R)
• M32: 38,536,262 km (0.119 R)
• M33: 40,536,984 km (0.103 R)
• M34: 41,415,273 km (0.075 R)
• M35: 42,756,418 km (0.107 R)
• M36: 43,972,649 km (0.118 R)
• M37: 47,921,883 km (0.091 R)
• M38: 50,233,619 km (0.07 R)
• M39: 51,758,320 km (0.105 R)
• M40: 52,445,722 km (0.042 R)
• M41: 58,909,098 km (0.097 R)
• M42: 64,091,019 km (0.09 R)
• M43: 67,709,343 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 678.2

Radius: 6

Gravity: 18.84 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 11.89 AU - 16.13 AU

Year: 21971 Days

Day: 16.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 80,738,925 km

• M1: 74,799 km (0.077 R)
• M2: 295,905 km (0.117 R)
• M3: 898,934 km (0.109 R)
• M4: 1,162,076 km (0.064 R)
• M5: 2,103,645 km (0.082 R)
• M6: 2,717,894 km (0.062 R)
• M7: 3,415,918 km (0.041 R)
• M8: 3,964,942 km (0.101 R)
• M9: 4,396,831 km (0.116 R)
• M10: 5,393,602 km (0.027 R)
• M11: 7,672,875 km (0.112 R)
• M12: 8,184,948 km (0.112 R)
• M13: 8,502,993 km (0.07 R)
• M14: 9,277,162 km (0.087 R)
• M15: 13,495,074 km (0.073 R)
• M16: 19,673,616 km (0.065 R)
• M17: 21,022,690 km (0.092 R)
• M18: 24,335,385 km (0.117 R)
• M19: 26,458,478 km (0.1 R)
• M20: 30,057,204 km (0.119 R)
• M21: 33,027,470 km (0.117 R)
• M22: 33,698,117 km (0.12 R)
• M23: 34,514,922 km (0.086 R)
• M24: 36,757,244 km (0.03 R)
• M25: 45,864,762 km (0.106 R)
• M26: 51,920,484 km (0.045 R)
• M27: 63,916,588 km (0.079 R)
• M28: 64,539,813 km (0.115 R)
• M29: 65,376,962 km (0.073 R)
• M30: 69,234,194 km (0.11 R)
• M31: 72,562,148 km (0.117 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 546 - 16,578 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit