🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.53 AU - 0.75 AU

Year: 191 Days

Day: 47.8 Hours

Environment

Temp: 121 °C

Axial Tilt: 28.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.68 AU - 1.12 AU

Year: 318 Days

Day: 26.5 Hours

Environment

Temp: 33 °C

Axial Tilt: 48.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 61,702,050 km

• M1: 64,626 km (0.073 R)
• M2: 560,394 km (0.098 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.5 AU - 2.32 AU

Year: 984 Days

Day: 13.6 Hours

Environment

Temp: -73 °C

Axial Tilt: 75.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,702,050 km

• M1: 1,583,194 km (0.12 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.48

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.52 AU - 2.4 AU

Year: 1023 Days

Day: 26.7 Hours

Environment

Temp: -80 °C

Axial Tilt: 15.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.73 AU - 2.77 AU

Year: 1258 Days

Day: 32.8 Hours

Environment

Temp: -79 °C

Axial Tilt: 20.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.6

Radius: 11.7

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.29 AU - 5.11 AU

Year: 3798 Days

Day: 9.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 61,702,050 km

• M1: 152,590 km (0.119 R)
• M2: 270,922 km (0.028 R)
• M3: 530,324 km (0.108 R)
• M4: 726,298 km (0.077 R)
• M5: 809,474 km (0.117 R)
• M6: 908,957 km (0.094 R)
• M7: 1,039,556 km (0.093 R)
• M8: 1,121,236 km (0.113 R)
• M9: 1,205,310 km (0.078 R)
• M10: 1,320,800 km (0.064 R)
• M11: 1,410,110 km (0.088 R)
• M12: 2,127,282 km (0.084 R)
• M13: 2,487,214 km (0.058 R)
• M14: 2,655,512 km (0.098 R)
• M15: 3,346,056 km (0.026 R)
• M16: 3,553,398 km (0.113 R)
• M17: 4,178,568 km (0.103 R)
• M18: 4,357,188 km (0.03 R)
• M19: 4,538,351 km (0.111 R)
• M20: 4,698,869 km (0.12 R)
• M21: 4,791,470 km (0.106 R)
• M22: 4,884,670 km (0.037 R)
• M23: 4,978,617 km (0.118 R)
• M24: 5,239,815 km (0.07 R)
• M25: 5,408,412 km (0.08 R)
• M26: 6,794,885 km (0.096 R)
• M27: 6,899,903 km (0.026 R)
• M28: 7,084,955 km (0.114 R)
• M29: 7,459,997 km (0.117 R)
• M30: 7,704,590 km (0.089 R)
• M31: 8,482,349 km (0.078 R)
• M32: 9,518,913 km (0.099 R)
• M33: 9,873,310 km (0.089 R)
• M34: 9,962,620 km (0.051 R)
• M35: 10,262,264 km (0.114 R)
• M36: 10,352,771 km (0.071 R)
• M37: 10,534,383 km (0.076 R)
• M38: 10,686,673 km (0.029 R)
• M39: 11,836,034 km (0.112 R)
• M40: 11,994,308 km (0.115 R)
• M41: 12,121,616 km (0.108 R)
• M42: 12,345,265 km (0.101 R)
• M43: 13,583,038 km (0.082 R)
• M44: 13,915,444 km (0.089 R)
• M45: 14,149,715 km (0.055 R)
• M46: 14,452,800 km (0.077 R)
• M47: 15,031,145 km (0.079 R)
• M48: 15,133,919 km (0.118 R)
• M49: 15,409,329 km (0.036 R)
• M50: 15,547,707 km (0.058 R)
• M51: 16,000,240 km (0.086 R)
• M52: 16,140,264 km (0.078 R)
• M53: 16,351,197 km (0.092 R)
• M54: 16,527,722 km (0.091 R)
• M55: 16,989,531 km (0.116 R)
• M56: 17,635,943 km (0.102 R)
• M57: 17,853,159 km (0.062 R)
• M58: 18,034,921 km (0.119 R)
• M59: 18,363,587 km (0.104 R)
• M60: 18,731,149 km (0.064 R)
• M61: 19,101,105 km (0.114 R)
• M62: 19,361,555 km (0.081 R)
• M63: 20,036,690 km (0.101 R)
• M64: 20,112,087 km (0.091 R)
• M65: 20,301,329 km (0.096 R)
• M66: 20,453,021 km (0.063 R)
• M67: 20,719,455 km (0.075 R)
• M68: 21,140,423 km (0.099 R)
• M69: 21,835,604 km (0.076 R)
• M70: 23,050,190 km (0.031 R)
• M71: 23,446,773 km (0.088 R)
• M72: 23,605,946 km (0.071 R)
• M73: 23,925,487 km (0.097 R)
• M74: 24,407,491 km (0.112 R)
• M75: 24,568,907 km (0.094 R)
• M76: 24,973,869 km (0.066 R)
• M77: 26,119,788 km (0.069 R)
• M78: 26,408,811 km (0.051 R)
• M79: 28,039,129 km (0.108 R)
• M80: 28,250,511 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.7

Radius: 14.3

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.98 AU - 6.14 AU

Year: 4243 Days

Day: 15 Hours

Environment

Temp: -141 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 61,702,050 km

• M1: 279,748 km (0.093 R)
• M2: 526,285 km (0.094 R)
• M3: 618,587 km (0.108 R)
• M4: 780,452 km (0.118 R)
• M5: 935,286 km (0.088 R)
• M6: 1,201,271 km (0.098 R)
• M7: 1,562,251 km (0.085 R)
• M8: 1,822,401 km (0.074 R)
• M9: 1,973,196 km (0.047 R)
• M10: 2,128,479 km (0.071 R)
• M11: 2,773,096 km (0.119 R)
• M12: 3,126,595 km (0.116 R)
• M13: 3,345,906 km (0.074 R)
• M14: 3,608,301 km (0.088 R)
• M15: 3,877,427 km (0.101 R)
• M16: 4,173,332 km (0.086 R)
• M17: 4,374,840 km (0.093 R)
• M18: 4,745,693 km (0.093 R)
• M19: 5,083,934 km (0.093 R)
• M20: 5,212,738 km (0.113 R)
• M21: 5,873,811 km (0.058 R)
• M22: 6,077,413 km (0.104 R)
• M23: 6,445,125 km (0.066 R)
• M24: 6,655,160 km (0.066 R)
• M25: 6,843,803 km (0.086 R)
• M26: 7,082,113 km (0.118 R)
• M27: 7,567,109 km (0.098 R)
• M28: 7,838,480 km (0.062 R)
• M29: 7,937,962 km (0.108 R)
• M30: 8,264,235 km (0.097 R)
• M31: 8,416,376 km (0.093 R)
• M32: 9,164,665 km (0.11 R)
• M33: 9,374,850 km (0.111 R)
• M34: 10,069,133 km (0.1 R)
• M35: 10,587,041 km (0.106 R)
• M36: 10,890,875 km (0.083 R)
• M37: 11,478,944 km (0.049 R)
• M38: 12,192,526 km (0.098 R)
• M39: 12,950,089 km (0.112 R)
• M40: 13,304,786 km (0.115 R)
• M41: 13,513,325 km (0.088 R)
• M42: 13,752,831 km (0.101 R)
• M43: 13,873,108 km (0.063 R)
• M44: 14,357,955 km (0.083 R)
• M45: 14,602,398 km (0.09 R)
• M46: 14,694,400 km (0.113 R)
• M47: 14,817,370 km (0.05 R)
• M48: 14,971,755 km (0.044 R)
• M49: 15,312,988 km (0.12 R)
• M50: 15,751,010 km (0.117 R)
• M51: 15,845,406 km (0.065 R)
• M52: 16,639,622 km (0.089 R)
• M53: 16,799,990 km (0.106 R)
• M54: 17,025,434 km (0.117 R)
• M55: 17,122,374 km (0.088 R)
• M56: 17,349,164 km (0.037 R)
• M57: 17,937,084 km (0.096 R)
• M58: 18,564,946 km (0.118 R)
• M59: 19,065,501 km (0.117 R)
• M60: 19,368,137 km (0.108 R)
• M61: 19,807,955 km (0.041 R)
• M62: 20,388,095 km (0.052 R)
• M63: 20,628,649 km (0.096 R)
• M64: 20,939,364 km (0.059 R)
• M65: 21,600,287 km (0.037 R)
• M66: 22,409,462 km (0.113 R)
• M67: 23,121,249 km (0.1 R)
• M68: 23,948,974 km (0.095 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.2

Radius: 13.7

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.82 AU - 5.64 AU

Year: 4459 Days

Day: 9.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 61,702,050 km

• M1: 340,934 km (0.091 R)
• M2: 580,141 km (0.117 R)
• M3: 684,859 km (0.06 R)
• M4: 809,025 km (0.077 R)
• M5: 904,618 km (0.078 R)
• M6: 1,030,430 km (0.028 R)
• M7: 1,122,283 km (0.068 R)
• M8: 1,372,261 km (0.084 R)
• M9: 1,489,396 km (0.07 R)
• M10: 1,579,754 km (0.118 R)
• M11: 1,718,730 km (0.037 R)
• M12: 1,878,351 km (0.091 R)
• M13: 2,059,813 km (0.048 R)
• M14: 2,316,822 km (0.119 R)
• M15: 2,750,207 km (0.108 R)
• M16: 2,843,706 km (0.114 R)
• M17: 2,976,698 km (0.071 R)
• M18: 3,529,014 km (0.114 R)
• M19: 3,838,382 km (0.089 R)
• M20: 3,985,736 km (0.062 R)
• M21: 4,264,587 km (0.069 R)
• M22: 5,024,244 km (0.12 R)
• M23: 5,490,691 km (0.11 R)
• M24: 5,633,407 km (0.033 R)
• M25: 5,825,640 km (0.104 R)
• M26: 5,971,349 km (0.098 R)
• M27: 6,216,689 km (0.055 R)
• M28: 6,540,868 km (0.111 R)
• M29: 7,127,890 km (0.085 R)
• M30: 7,231,711 km (0.075 R)
• M31: 8,462,004 km (0.103 R)
• M32: 9,073,260 km (0.117 R)
• M33: 10,104,439 km (0.114 R)
• M34: 10,723,026 km (0.097 R)
• M35: 11,232,855 km (0.117 R)
• M36: 11,323,661 km (0.092 R)
• M37: 11,842,766 km (0.1 R)
• M38: 11,966,184 km (0.103 R)
• M39: 12,276,300 km (0.114 R)
• M40: 12,778,052 km (0.056 R)
• M41: 13,318,549 km (0.117 R)
• M42: 13,607,722 km (0.116 R)
• M43: 13,769,287 km (0.088 R)
• M44: 13,996,526 km (0.094 R)
• M45: 14,652,812 km (0.055 R)
• M46: 14,818,417 km (0.086 R)
• M47: 15,689,825 km (0.081 R)
• M48: 16,097,628 km (0.12 R)
• M49: 16,646,802 km (0.048 R)
• M50: 16,854,295 km (0.099 R)
• M51: 16,993,121 km (0.086 R)
• M52: 18,724,717 km (0.103 R)
• M53: 18,904,533 km (0.104 R)
• M54: 19,121,151 km (0.103 R)
• M55: 19,520,428 km (0.107 R)
• M56: 20,660,214 km (0.092 R)
• M57: 21,294,509 km (0.102 R)
• M58: 21,482,254 km (0.068 R)
• M59: 21,821,692 km (0.114 R)
• M60: 22,315,066 km (0.107 R)
• M61: 22,505,803 km (0.033 R)
• M62: 22,735,286 km (0.098 R)
• M63: 23,158,349 km (0.07 R)
• M64: 23,467,568 km (0.106 R)
• M65: 23,778,133 km (0.078 R)
• M66: 23,934,014 km (0.117 R)
• M67: 24,915,675 km (0.049 R)
• M68: 25,311,960 km (0.113 R)
• M69: 25,550,718 km (0.088 R)
• M70: 26,151,054 km (0.08 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.2

Radius: 11

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 8.12 AU - 12.66 AU

Year: 12485 Days

Day: 6.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 61,702,050 km

• M1: 170,542 km (0.09 R)
• M2: 466,446 km (0.102 R)
• M3: 597,494 km (0.095 R)
• M4: 1,047,335 km (0.054 R)
• M5: 1,717,384 km (0.11 R)
• M6: 1,985,014 km (0.081 R)
• M7: 2,266,109 km (0.102 R)
• M8: 2,470,758 km (0.05 R)
• M9: 2,773,545 km (0.119 R)
• M10: 3,582,719 km (0.094 R)
• M11: 3,752,962 km (0.039 R)
• M12: 4,244,092 km (0.089 R)
• M13: 4,460,859 km (0.106 R)
• M14: 4,905,464 km (0.092 R)
• M15: 5,364,280 km (0.072 R)
• M16: 5,481,116 km (0.097 R)
• M17: 7,464,036 km (0.103 R)
• M18: 7,858,526 km (0.108 R)
• M19: 8,125,259 km (0.113 R)
• M20: 8,214,868 km (0.063 R)
• M21: 8,349,805 km (0.059 R)
• M22: 9,740,168 km (0.106 R)
• M23: 10,462,127 km (0.079 R)
• M24: 10,903,441 km (0.083 R)
• M25: 11,602,212 km (0.11 R)
• M26: 12,264,183 km (0.067 R)
• M27: 12,729,582 km (0.058 R)
• M28: 13,253,474 km (0.06 R)
• M29: 13,465,005 km (0.104 R)
• M30: 13,677,733 km (0.079 R)
• M31: 13,945,214 km (0.097 R)
• M32: 16,713,224 km (0.108 R)
• M33: 17,866,773 km (0.031 R)
• M34: 18,335,463 km (0.08 R)
• M35: 18,867,433 km (0.104 R)
• M36: 18,986,363 km (0.089 R)
• M37: 20,432,825 km (0.114 R)
• M38: 20,616,232 km (0.099 R)
• M39: 21,293,013 km (0.086 R)
• M40: 21,665,212 km (0.118 R)
• M41: 21,977,124 km (0.112 R)
• M42: 22,416,194 km (0.077 R)
• M43: 22,605,285 km (0.089 R)
• M44: 23,814,934 km (0.119 R)
• M45: 24,007,915 km (0.077 R)
• M46: 25,111,050 km (0.03 R)
• M47: 25,701,812 km (0.102 R)
• M48: 26,830,079 km (0.109 R)
• M49: 28,042,270 km (0.084 R)
• M50: 28,518,440 km (0.066 R)
• M51: 29,893,843 km (0.047 R)
• M52: 30,241,060 km (0.116 R)
• M53: 30,869,371 km (0.113 R)
• M54: 30,939,532 km (0.091 R)
• M55: 32,637,468 km (0.032 R)
• M56: 33,425,699 km (0.115 R)
• M57: 35,460,530 km (0.092 R)
• M58: 35,754,489 km (0.057 R)
• M59: 37,311,055 km (0.089 R)
• M60: 37,909,746 km (0.119 R)
• M61: 38,889,612 km (0.115 R)
• M62: 39,496,680 km (0.075 R)
• M63: 40,030,445 km (0.111 R)
• M64: 40,259,929 km (0.1 R)
• M65: 41,336,734 km (0.07 R)
• M66: 41,568,611 km (0.109 R)
• M67: 42,813,115 km (0.117 R)
• M68: 43,361,392 km (0.116 R)
• M69: 43,754,385 km (0.108 R)
• M70: 43,990,899 km (0.054 R)
• M71: 45,737,455 km (0.076 R)
• M72: 46,057,444 km (0.111 R)
• M73: 46,538,850 km (0.047 R)
• M74: 47,749,696 km (0.099 R)
• M75: 47,830,778 km (0.09 R)
• M76: 48,889,183 km (0.113 R)
• M77: 49,790,659 km (0.09 R)
• M78: 50,615,093 km (0.093 R)
• M79: 50,780,399 km (0.098 R)
• M80: 51,443,865 km (0.109 R)
• M81: 51,527,042 km (0.099 R)
• M82: 52,444,376 km (0.12 R)
• M83: 53,535,543 km (0.09 R)
• M84: 55,058,748 km (0.102 R)
• M85: 55,314,112 km (0.116 R)
• M86: 56,682,035 km (0.115 R)

Planet 10 - Gas Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.9

Radius: 9.6

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 9.07 AU - 12.65 AU

Year: 13341 Days

Day: 12.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 61,702,050 km

• M1: 147,952 km (0.061 R)
• M2: 210,634 km (0.103 R)
• M3: 280,646 km (0.096 R)
• M4: 423,512 km (0.118 R)
• M5: 707,299 km (0.111 R)
• M6: 892,202 km (0.099 R)
• M7: 1,309,131 km (0.099 R)
• M8: 1,754,484 km (0.117 R)
• M9: 2,274,785 km (0.114 R)
• M10: 2,427,674 km (0.11 R)
• M11: 2,808,401 km (0.094 R)
• M12: 3,554,894 km (0.06 R)
• M13: 4,134,736 km (0.095 R)
• M14: 4,474,024 km (0.109 R)
• M15: 4,861,482 km (0.104 R)
• M16: 4,940,320 km (0.049 R)
• M17: 5,139,285 km (0.085 R)
• M18: 5,710,300 km (0.105 R)
• M19: 5,961,326 km (0.108 R)
• M20: 6,258,577 km (0.093 R)
• M21: 7,045,611 km (0.103 R)
• M22: 7,450,722 km (0.102 R)
• M23: 8,189,586 km (0.093 R)
• M24: 8,283,683 km (0.108 R)
• M25: 8,759,255 km (0.099 R)
• M26: 10,289,042 km (0.066 R)
• M27: 12,167,094 km (0.058 R)
• M28: 12,870,802 km (0.079 R)
• M29: 13,476,674 km (0.098 R)
• M30: 13,755,225 km (0.115 R)
• M31: 14,035,571 km (0.085 R)
• M32: 14,830,684 km (0.115 R)
• M33: 15,757,144 km (0.114 R)
• M34: 16,109,447 km (0.067 R)
• M35: 16,227,479 km (0.101 R)
• M36: 17,483,802 km (0.054 R)
• M37: 17,909,558 km (0.03 R)
• M38: 17,970,743 km (0.061 R)
• M39: 18,523,657 km (0.114 R)
• M40: 20,662,907 km (0.08 R)
• M41: 21,501,403 km (0.113 R)
• M42: 22,022,901 km (0.093 R)
• M43: 23,011,892 km (0.117 R)
• M44: 23,078,464 km (0.079 R)
• M45: 23,813,587 km (0.068 R)
• M46: 24,353,037 km (0.115 R)
• M47: 24,964,893 km (0.067 R)
• M48: 26,690,654 km (0.109 R)
• M49: 28,312,145 km (0.089 R)
• M50: 28,883,609 km (0.111 R)
• M51: 29,170,837 km (0.103 R)
• M52: 29,458,962 km (0.069 R)
• M53: 30,110,611 km (0.119 R)
• M54: 30,183,315 km (0.107 R)
• M55: 30,401,878 km (0.118 R)
• M56: 31,428,269 km (0.084 R)
• M57: 31,797,626 km (0.11 R)
• M58: 31,945,728 km (0.103 R)
• M59: 32,689,977 km (0.097 R)
• M60: 33,741,351 km (0.103 R)
• M61: 33,892,445 km (0.112 R)
• M62: 35,032,979 km (0.1 R)
• M63: 35,186,018 km (0.105 R)
• M64: 35,415,950 km (0.109 R)
• M65: 36,728,372 km (0.114 R)
• M66: 36,961,595 km (0.096 R)
• M67: 38,608,218 km (0.097 R)
• M68: 39,003,755 km (0.101 R)
• M69: 41,405,250 km (0.096 R)
• M70: 41,891,293 km (0.11 R)
• M71: 42,460,663 km (0.07 R)
• M72: 42,950,895 km (0.068 R)
• M73: 43,607,331 km (0.119 R)
• M74: 44,101,751 km (0.094 R)
• M75: 44,680,994 km (0.026 R)
• M76: 46,014,510 km (0.106 R)
• M77: 49,490,716 km (0.083 R)
• M78: 50,523,988 km (0.058 R)
• M79: 52,087,286 km (0.095 R)
• M80: 52,611,926 km (0.034 R)
• M81: 53,402,251 km (0.09 R)
• M82: 59,316,005 km (0.051 R)
• M83: 60,596,861 km (0.084 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: 285 - 15,661 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit