🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.6

Radius: 12.7

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.48 AU - 0.6 AU

Year: 269 Days

Day: 8.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 69.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 87,740,584 km

• M1: 158,275 km (0.044 R)
• M2: 731,234 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970

Radius: 12.1

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.52 AU - 0.58 AU

Year: 277 Days

Day: 14.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 87,740,584 km

• M1: 150,495 km (0.101 R)
• M2: 649,255 km (0.052 R)
• M3: 1,048,531 km (0.079 R)
• M4: 1,485,656 km (0.08 R)
• M5: 2,069,088 km (0.102 R)
• M6: 2,530,747 km (0.038 R)
• M7: 2,989,713 km (0.088 R)
• M8: 3,630,142 km (0.115 R)
• M9: 4,102,273 km (0.026 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.3

Radius: 13.3

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.69 AU - 0.87 AU

Year: 467 Days

Day: 6.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 87,740,584 km

• M1: 165,904 km (0.053 R)
• M2: 931,995 km (0.118 R)
• M3: 1,380,040 km (0.039 R)
• M4: 2,010,296 km (0.053 R)
• M5: 2,437,996 km (0.099 R)
• M6: 3,259,738 km (0.079 R)
• M7: 3,692,823 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698

Radius: 8.7

Gravity: 9.22 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.87 AU - 1.31 AU

Year: 772 Days

Day: 7.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,740,584 km

• M1: 108,159 km (0.077 R)
• M2: 424,260 km (0.068 R)
• M3: 809,324 km (0.107 R)
• M4: 1,707,510 km (0.108 R)
• M5: 2,049,192 km (0.114 R)
• M6: 2,393,267 km (0.079 R)
• M7: 2,932,866 km (0.115 R)
• M8: 3,264,824 km (0.103 R)
• M9: 4,269,673 km (0.028 R)
• M10: 4,939,722 km (0.081 R)
• M11: 5,449,102 km (0.086 R)
• M12: 6,073,823 km (0.054 R)
• M13: 6,530,396 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.7

Radius: 9.3

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.21 AU - 4.37 AU

Year: 5004 Days

Day: 13.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 87,740,584 km

• M1: 115,789 km (0.053 R)
• M2: 912,397 km (0.117 R)
• M3: 1,285,794 km (0.041 R)
• M4: 1,671,756 km (0.104 R)
• M5: 2,751,254 km (0.081 R)
• M6: 3,044,466 km (0.096 R)
• M7: 3,694,619 km (0.079 R)
• M8: 4,169,741 km (0.055 R)
• M9: 4,459,213 km (0.04 R)
• M10: 5,325,684 km (0.032 R)
• M11: 6,237,932 km (0.036 R)
• M12: 6,617,761 km (0.028 R)
• M13: 7,046,808 km (0.112 R)
• M14: 8,484,144 km (0.096 R)
• M15: 9,110,510 km (0.107 R)
• M16: 9,809,432 km (0.043 R)
• M17: 12,170,385 km (0.04 R)
• M18: 12,865,716 km (0.073 R)
• M19: 13,430,448 km (0.096 R)
• M20: 16,505,133 km (0.082 R)
• M21: 17,295,010 km (0.118 R)
• M22: 17,730,788 km (0.111 R)
• M23: 18,430,158 km (0.104 R)
• M24: 29,008,822 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.4

Radius: 11.1

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 4.17 AU - 5.19 AU

Year: 6867 Days

Day: 8 Hours

Environment

Temp: -213 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,740,584 km

• M1: 138,677 km (0.079 R)
• M2: 1,017,266 km (0.075 R)
• M3: 1,904,231 km (0.079 R)
• M4: 2,950,968 km (0.089 R)
• M5: 4,368,557 km (0.078 R)
• M6: 5,042,645 km (0.052 R)
• M7: 5,784,950 km (0.106 R)
• M8: 6,775,886 km (0.109 R)
• M9: 8,487,435 km (0.045 R)
• M10: 11,083,407 km (0.116 R)
• M11: 12,426,796 km (0.081 R)
• M12: 20,807,568 km (0.078 R)
• M13: 22,173,546 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.1

Radius: 8

Gravity: 11.1 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.2 AU - 5.46 AU

Year: 7200 Days

Day: 7.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 87,740,584 km

• M1: 99,483 km (0.092 R)
• M2: 383,270 km (0.111 R)
• M3: 961,914 km (0.09 R)
• M4: 1,337,704 km (0.081 R)
• M5: 1,943,426 km (0.088 R)
• M6: 2,440,839 km (0.072 R)
• M7: 2,999,886 km (0.104 R)
• M8: 3,321,073 km (0.083 R)
• M9: 4,317,993 km (0.097 R)
• M10: 4,672,390 km (0.094 R)
• M11: 5,408,711 km (0.06 R)
• M12: 5,886,227 km (0.101 R)
• M13: 6,531,144 km (0.115 R)
• M14: 7,644,152 km (0.103 R)
• M15: 8,163,855 km (0.112 R)
• M16: 9,318,451 km (0.051 R)
• M17: 9,911,457 km (0.115 R)
• M18: 12,924,059 km (0.117 R)
• M19: 15,850,343 km (0.114 R)
• M20: 16,695,122 km (0.108 R)
• M21: 17,775,668 km (0.079 R)
• M22: 18,830,333 km (0.104 R)
• M23: 19,190,864 km (0.098 R)
• M24: 22,004,650 km (0.107 R)
• M25: 23,219,834 km (0.04 R)
• M26: 23,634,668 km (0.107 R)
• M27: 23,970,216 km (0.071 R)
• M28: 29,875,742 km (0.119 R)
• M29: 30,962,720 km (0.07 R)
• M30: 32,178,203 km (0.087 R)
• M31: 35,137,398 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 488.4

Radius: 4.3

Gravity: 26.41 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 6.25 AU - 9.21 AU

Year: 14577 Days

Day: 21.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 87,740,584 km

• M1: 53,706 km (0.114 R)
• M2: 201,209 km (0.099 R)
• M3: 413,189 km (0.08 R)
• M4: 3,023,971 km (0.119 R)
• M5: 4,186,646 km (0.043 R)
• M6: 4,738,363 km (0.094 R)
• M7: 5,098,595 km (0.074 R)
• M8: 5,619,046 km (0.119 R)
• M9: 6,366,736 km (0.057 R)
• M10: 6,764,517 km (0.099 R)
• M11: 7,094,529 km (0.083 R)
• M12: 7,435,164 km (0.083 R)
• M13: 7,831,299 km (0.114 R)
• M14: 8,665,606 km (0.081 R)
• M15: 10,895,662 km (0.111 R)
• M16: 14,811,386 km (0.093 R)
• M17: 22,886,529 km (0.111 R)
• M18: 24,483,337 km (0.076 R)
• M19: 24,966,688 km (0.068 R)
• M20: 28,424,194 km (0.08 R)
• M21: 29,065,669 km (0.087 R)
• M22: 30,935,643 km (0.097 R)
• M23: 31,957,396 km (0.087 R)
• M24: 44,577,473 km (0.091 R)
• M25: 50,559,742 km (0.067 R)
• M26: 51,658,838 km (0.073 R)
• M27: 52,934,309 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 550.5

Radius: 5

Gravity: 22.02 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 7.02 AU - 11.56 AU

Year: 19205 Days

Day: 20.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 87,740,584 km

• M1: 64,626 km (0.116 R)
• M2: 294,409 km (0.099 R)
• M3: 483,800 km (0.068 R)
• M4: 717,621 km (0.087 R)
• M5: 1,705,416 km (0.083 R)
• M6: 2,072,230 km (0.109 R)
• M7: 2,423,635 km (0.116 R)
• M8: 2,625,293 km (0.072 R)
• M9: 3,927,094 km (0.117 R)
• M10: 4,700,066 km (0.115 R)
• M11: 6,124,238 km (0.114 R)
• M12: 8,764,790 km (0.096 R)
• M13: 9,295,264 km (0.064 R)
• M14: 9,623,781 km (0.109 R)
• M15: 10,834,476 km (0.104 R)
• M16: 12,735,117 km (0.086 R)
• M17: 14,626,184 km (0.114 R)
• M18: 18,780,367 km (0.09 R)
• M19: 19,482,280 km (0.079 R)
• M20: 20,567,613 km (0.091 R)
• M21: 25,313,157 km (0.099 R)
• M22: 25,525,436 km (0.066 R)
• M23: 28,507,370 km (0.116 R)
• M24: 29,785,983 km (0.061 R)
• M25: 34,237,717 km (0.077 R)
• M26: 37,992,025 km (0.117 R)
• M27: 41,568,162 km (0.075 R)
• M28: 44,123,892 km (0.075 R)
• M29: 45,362,114 km (0.106 R)
• M30: 48,069,835 km (0.043 R)
• M31: 51,221,413 km (0.111 R)
• M32: 53,979,998 km (0.095 R)
• M33: 55,039,600 km (0.039 R)
• M34: 55,932,998 km (0.115 R)
• M35: 57,565,410 km (0.111 R)
• M36: 61,306,404 km (0.047 R)
• M37: 67,419,871 km (0.108 R)
• M38: 68,854,514 km (0.068 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 725

Radius: 3.1

Gravity: 75.44 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 10.22 AU - 11.38 AU

Year: 24073 Days

Day: 23.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 87,740,584 km

• M1: 39,195 km (0.044 R)
• M2: 171,888 km (0.118 R)
• M3: 311,463 km (0.051 R)
• M4: 550,071 km (0.097 R)
• M5: 898,036 km (0.079 R)
• M6: 3,190,324 km (0.064 R)
• M7: 3,335,733 km (0.102 R)
• M8: 4,130,397 km (0.118 R)
• M9: 5,281,104 km (0.095 R)
• M10: 5,907,919 km (0.113 R)
• M11: 6,866,542 km (0.096 R)
• M12: 8,191,231 km (0.035 R)
• M13: 8,409,196 km (0.117 R)
• M14: 11,400,704 km (0.119 R)
• M15: 14,789,694 km (0.097 R)
• M16: 15,606,050 km (0.115 R)
• M17: 15,772,851 km (0.103 R)
• M18: 16,195,017 km (0.077 R)
• M19: 18,605,786 km (0.101 R)
• M20: 19,652,971 km (0.101 R)
• M21: 22,388,518 km (0.082 R)
• M22: 22,814,274 km (0.075 R)
• M23: 23,681,792 km (0.107 R)
• M24: 26,180,525 km (0.09 R)
• M25: 26,298,109 km (0.081 R)
• M26: 33,876,438 km (0.075 R)
• M27: 34,156,186 km (0.111 R)
• M28: 35,866,389 km (0.115 R)
• M29: 55,240,211 km (0.111 R)
• M30: 60,418,391 km (0.078 R)
• M31: 65,476,744 km (0.104 R)
• M32: 66,784,080 km (0.064 R)
• M33: 68,108,619 km (0.114 R)
• M34: 79,341,475 km (0.068 R)
• M35: 82,835,931 km (0.045 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 238 - 11,530 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit