🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.43 AU - 0.63 AU

Year: 143 Days

Day: 40.6 Hours

Environment

Temp: 172 °C

Axial Tilt: 25.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.87 AU - 2.39 AU

Year: 1153 Days

Day: 39.7 Hours

Environment

Temp: -76 °C

Axial Tilt: 20.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.11 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.3

Radius: 14.9

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 4.76 AU - 7.4 AU

Year: 5560 Days

Day: 14.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,260,576 km

• M1: 185,352 km (0.082 R)
• M2: 1,401,582 km (0.111 R)
• M3: 2,293,335 km (0.034 R)
• M4: 2,804,212 km (0.112 R)
• M5: 3,475,757 km (0.052 R)
• M6: 5,343,187 km (0.084 R)
• M7: 8,460,807 km (0.078 R)
• M8: 11,678,059 km (0.101 R)
• M9: 16,363,763 km (0.057 R)
• M10: 18,346,533 km (0.101 R)
• M11: 22,176,089 km (0.119 R)
• M12: 26,765,303 km (0.086 R)
• M13: 31,472,400 km (0.035 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.8

Radius: 11.8

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.9 AU - 8.14 AU

Year: 6174 Days

Day: 9.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 94.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,260,576 km

• M1: 148,850 km (0.099 R)
• M2: 613,650 km (0.05 R)
• M3: 1,334,712 km (0.117 R)
• M4: 2,080,308 km (0.11 R)
• M5: 2,653,717 km (0.046 R)
• M6: 3,166,389 km (0.105 R)
• M7: 3,610,245 km (0.096 R)
• M8: 4,624,220 km (0.03 R)
• M9: 5,370,564 km (0.111 R)
• M10: 6,036,723 km (0.035 R)
• M11: 7,718,801 km (0.075 R)
• M12: 8,213,222 km (0.028 R)
• M13: 8,974,077 km (0.091 R)
• M14: 9,392,951 km (0.114 R)
• M15: 10,001,515 km (0.116 R)
• M16: 12,340,628 km (0.054 R)
• M17: 12,912,091 km (0.11 R)
• M18: 13,392,749 km (0.077 R)
• M19: 13,885,375 km (0.09 R)
• M20: 15,675,164 km (0.1 R)
• M21: 16,284,027 km (0.11 R)
• M22: 20,997,557 km (0.067 R)
• M23: 22,803,054 km (0.054 R)
• M24: 28,658,314 km (0.06 R)
• M25: 31,066,541 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.6

Radius: 8.9

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.05 AU - 7.99 AU

Year: 6174 Days

Day: 5.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,260,576 km

• M1: 110,702 km (0.096 R)
• M2: 509,231 km (0.094 R)
• M3: 1,004,550 km (0.093 R)
• M4: 1,348,924 km (0.089 R)
• M5: 1,839,306 km (0.088 R)
• M6: 2,757,837 km (0.102 R)
• M7: 4,514,864 km (0.075 R)
• M8: 6,814,033 km (0.103 R)
• M9: 7,691,874 km (0.027 R)
• M10: 8,330,657 km (0.076 R)
• M11: 11,291,348 km (0.067 R)
• M12: 12,876,936 km (0.106 R)
• M13: 15,118,660 km (0.034 R)
• M14: 16,667,896 km (0.075 R)
• M15: 17,994,529 km (0.072 R)
• M16: 20,429,983 km (0.116 R)
• M17: 20,999,652 km (0.086 R)
• M18: 21,433,785 km (0.116 R)
• M19: 24,086,903 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.7

Radius: 13.9

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 10.66 AU - 12.46 AU

Year: 14576 Days

Day: 10.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,260,576 km

• M1: 173,234 km (0.101 R)
• M2: 818,300 km (0.06 R)
• M3: 1,378,096 km (0.043 R)
• M4: 1,854,565 km (0.092 R)
• M5: 2,555,281 km (0.105 R)
• M6: 3,451,522 km (0.1 R)
• M7: 5,596,756 km (0.11 R)
• M8: 6,429,866 km (0.069 R)
• M9: 6,953,010 km (0.089 R)
• M10: 7,958,457 km (0.108 R)
• M11: 9,104,826 km (0.107 R)
• M12: 10,010,042 km (0.069 R)
• M13: 13,385,569 km (0.088 R)
• M14: 14,747,059 km (0.039 R)
• M15: 17,672,146 km (0.088 R)
• M16: 18,627,777 km (0.116 R)
• M17: 19,695,158 km (0.119 R)
• M18: 21,126,959 km (0.066 R)
• M19: 22,969,855 km (0.069 R)
• M20: 23,578,120 km (0.103 R)
• M21: 25,283,536 km (0.03 R)
• M22: 36,569,349 km (0.11 R)
• M23: 38,120,529 km (0.085 R)
• M24: 43,431,852 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.3

Radius: 12.3

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 10.25 AU - 13.93 AU

Year: 15590 Days

Day: 14.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,260,576 km

• M1: 153,188 km (0.07 R)
• M2: 2,466,869 km (0.038 R)
• M3: 2,916,710 km (0.082 R)
• M4: 5,110,114 km (0.09 R)
• M5: 5,847,781 km (0.064 R)
• M6: 11,633,478 km (0.067 R)
• M7: 12,967,592 km (0.098 R)
• M8: 15,805,913 km (0.043 R)
• M9: 17,021,545 km (0.084 R)
• M10: 24,845,214 km (0.078 R)
• M11: 30,289,829 km (0.066 R)
• M12: 33,999,856 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 305.3

Radius: 7.1

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 13.44 AU - 20.58 AU

Year: 26017 Days

Day: 23.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,260,576 km

• M1: 88,263 km (0.104 R)
• M2: 526,285 km (0.08 R)
• M3: 1,143,377 km (0.092 R)
• M4: 1,792,781 km (0.09 R)
• M5: 2,440,988 km (0.119 R)
• M6: 2,759,333 km (0.112 R)
• M7: 4,191,583 km (0.094 R)
• M8: 4,416,428 km (0.113 R)
• M9: 5,104,130 km (0.058 R)
• M10: 6,061,407 km (0.096 R)
• M11: 7,408,386 km (0.096 R)
• M12: 9,210,143 km (0.053 R)
• M13: 10,799,919 km (0.065 R)
• M14: 11,285,813 km (0.084 R)
• M15: 15,029,500 km (0.081 R)
• M16: 17,883,528 km (0.077 R)
• M17: 21,267,581 km (0.047 R)
• M18: 28,690,628 km (0.077 R)
• M19: 28,921,607 km (0.057 R)
• M20: 30,935,194 km (0.084 R)
• M21: 31,178,141 km (0.116 R)
• M22: 34,063,585 km (0.118 R)
• M23: 37,672,185 km (0.114 R)
• M24: 39,926,774 km (0.079 R)
• M25: 41,233,512 km (0.068 R)
• M26: 45,953,324 km (0.099 R)
• M27: 49,513,006 km (0.117 R)
• M28: 50,514,863 km (0.065 R)
• M29: 51,530,183 km (0.106 R)
• M30: 53,078,521 km (0.084 R)
• M31: 54,480,553 km (0.086 R)
• M32: 55,548,233 km (0.089 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: 407 - 18,468 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit