🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.44 AU - 0.62 AU

Year: 136 Days

Day: 15.7 Hours

Environment

Temp: 219 °C

Axial Tilt: 105.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 72,686,735 km

• M1: 382,971 km (0.055 R)
• M2: 445,951 km (0.082 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.92 AU - 1.2 AU

Year: 384 Days

Day: 16 Hours

Environment

Temp: 149 °C

Axial Tilt: 3.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.01 AU - 2.29 AU

Year: 1108 Days

Day: 37.1 Hours

Environment

Temp: -53 °C

Axial Tilt: 8.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 3.19 AU - 3.75 AU

Year: 2272 Days

Day: 34 Hours

Environment

Temp: -112 °C

Axial Tilt: 29.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 72,686,735 km

• M1: 861,983 km (0.105 R)
• M2: 981,362 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.1

Radius: 12.6

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 4.88 AU - 6.44 AU

Year: 4733 Days

Day: 5.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 72,686,735 km

• M1: 159,322 km (0.089 R)
• M2: 257,458 km (0.113 R)
• M3: 422,764 km (0.088 R)
• M4: 691,741 km (0.108 R)
• M5: 889,808 km (0.068 R)
• M6: 982,708 km (0.117 R)
• M7: 1,136,046 km (0.041 R)
• M8: 1,245,552 km (0.076 R)
• M9: 1,335,759 km (0.061 R)
• M10: 1,579,903 km (0.097 R)
• M11: 1,670,111 km (0.097 R)
• M12: 1,753,736 km (0.115 R)
• M13: 1,899,145 km (0.073 R)
• M14: 2,022,114 km (0.083 R)
• M15: 2,248,606 km (0.054 R)
• M16: 2,341,506 km (0.059 R)
• M17: 2,483,474 km (0.084 R)
• M18: 2,570,091 km (0.107 R)
• M19: 2,896,514 km (0.108 R)
• M20: 3,090,542 km (0.086 R)
• M21: 3,310,152 km (0.08 R)
• M22: 3,513,306 km (0.081 R)
• M23: 3,687,588 km (0.042 R)
• M24: 3,864,861 km (0.101 R)
• M25: 3,943,400 km (0.098 R)
• M26: 4,378,730 km (0.107 R)
• M27: 4,484,196 km (0.096 R)
• M28: 4,805,532 km (0.082 R)
• M29: 5,258,066 km (0.026 R)
• M30: 5,559,206 km (0.096 R)
• M31: 5,699,080 km (0.078 R)
• M32: 5,969,404 km (0.113 R)
• M33: 6,138,898 km (0.089 R)
• M34: 6,323,203 km (0.093 R)
• M35: 6,969,166 km (0.067 R)
• M36: 7,065,059 km (0.105 R)
• M37: 7,161,549 km (0.056 R)
• M38: 7,313,989 km (0.115 R)
• M39: 7,411,527 km (0.093 R)
• M40: 7,495,452 km (0.094 R)
• M41: 7,636,223 km (0.096 R)
• M42: 7,777,743 km (0.113 R)
• M43: 7,963,095 km (0.095 R)
• M44: 8,164,304 km (0.05 R)
• M45: 8,454,823 km (0.115 R)
• M46: 8,586,619 km (0.086 R)
• M47: 8,926,655 km (0.113 R)
• M48: 9,927,016 km (0.111 R)
• M49: 10,035,175 km (0.053 R)
• M50: 10,190,457 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801

Radius: 10.9

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 5.34 AU - 6.68 AU

Year: 5178 Days

Day: 15 Hours

Environment

Temp: -143 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 72,686,735 km

• M1: 150,645 km (0.03 R)
• M2: 279,449 km (0.095 R)
• M3: 375,790 km (0.1 R)
• M4: 465,997 km (0.033 R)
• M5: 869,313 km (0.076 R)
• M6: 967,749 km (0.1 R)
• M7: 1,176,438 km (0.11 R)
• M8: 1,318,705 km (0.111 R)
• M9: 1,400,236 km (0.116 R)
• M10: 1,551,480 km (0.108 R)
• M11: 1,690,755 km (0.092 R)
• M12: 1,798,017 km (0.11 R)
• M13: 1,889,122 km (0.096 R)
• M14: 2,000,722 km (0.091 R)
• M15: 2,211,057 km (0.089 R)
• M16: 2,674,212 km (0.109 R)
• M17: 2,971,014 km (0.115 R)
• M18: 3,189,726 km (0.082 R)
• M19: 3,413,674 km (0.113 R)
• M20: 3,550,556 km (0.105 R)
• M21: 3,619,670 km (0.104 R)
• M22: 3,877,128 km (0.108 R)
• M23: 4,360,628 km (0.091 R)
• M24: 4,484,495 km (0.115 R)
• M25: 5,199,872 km (0.119 R)
• M26: 5,278,710 km (0.098 R)
• M27: 5,410,955 km (0.077 R)
• M28: 5,490,840 km (0.095 R)
• M29: 5,597,952 km (0.111 R)
• M30: 5,759,817 km (0.103 R)
• M31: 6,005,756 km (0.086 R)
• M32: 6,171,660 km (0.108 R)
• M33: 6,395,159 km (0.081 R)
• M34: 7,315,934 km (0.096 R)
• M35: 7,463,587 km (0.084 R)
• M36: 7,852,093 km (0.12 R)
• M37: 8,277,998 km (0.067 R)
• M38: 8,962,408 km (0.098 R)
• M39: 9,729,696 km (0.045 R)
• M40: 10,022,758 km (0.069 R)
• M41: 12,295,599 km (0.049 R)
• M42: 12,648,051 km (0.072 R)
• M43: 12,718,961 km (0.107 R)
• M44: 12,932,437 km (0.099 R)
• M45: 14,127,724 km (0.037 R)
• M46: 16,120,367 km (0.086 R)
• M47: 16,583,672 km (0.1 R)
• M48: 16,816,895 km (0.098 R)
• M49: 17,090,510 km (0.071 R)
• M50: 17,365,470 km (0.072 R)
• M51: 17,642,077 km (0.038 R)
• M52: 17,920,030 km (0.101 R)
• M53: 18,359,847 km (0.109 R)
• M54: 18,722,323 km (0.108 R)
• M55: 18,803,106 km (0.102 R)
• M56: 19,372,475 km (0.062 R)
• M57: 19,536,285 km (0.117 R)
• M58: 20,278,590 km (0.106 R)
• M59: 20,569,857 km (0.109 R)
• M60: 20,904,358 km (0.096 R)
• M61: 21,030,319 km (0.109 R)
• M62: 21,325,176 km (0.092 R)
• M63: 21,409,550 km (0.075 R)
• M64: 21,621,231 km (0.09 R)
• M65: 22,560,855 km (0.067 R)
• M66: 22,862,743 km (0.044 R)
• M67: 23,426,727 km (0.11 R)
• M68: 25,056,895 km (0.078 R)
• M69: 25,146,056 km (0.047 R)
• M70: 27,180,138 km (0.102 R)
• M71: 27,593,178 km (0.098 R)
• M72: 28,240,039 km (0.119 R)
• M73: 28,472,215 km (0.104 R)
• M74: 28,565,265 km (0.102 R)
• M75: 31,355,714 km (0.055 R)
• M76: 31,596,267 km (0.09 R)
• M77: 31,885,589 km (0.077 R)
• M78: 32,030,699 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.4

Radius: 12.2

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 6.62 AU - 9.94 AU

Year: 8374 Days

Day: 12.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 72,686,735 km

• M1: 293,212 km (0.105 R)
• M2: 428,897 km (0.086 R)
• M3: 513,569 km (0.053 R)
• M4: 704,008 km (0.117 R)
• M5: 1,069,924 km (0.067 R)
• M6: 1,157,289 km (0.093 R)
• M7: 1,377,647 km (0.086 R)
• M8: 1,512,734 km (0.088 R)
• M9: 1,672,654 km (0.104 R)
• M10: 1,966,614 km (0.116 R)
• M11: 2,186,971 km (0.061 R)
• M12: 2,323,105 km (0.038 R)
• M13: 2,415,557 km (0.101 R)
• M14: 2,748,861 km (0.114 R)
• M15: 3,199,150 km (0.118 R)
• M16: 3,276,493 km (0.104 R)
• M17: 3,433,122 km (0.115 R)
• M18: 3,835,839 km (0.088 R)
• M19: 3,945,793 km (0.082 R)
• M20: 4,056,795 km (0.075 R)
• M21: 4,598,639 km (0.118 R)
• M22: 4,745,095 km (0.095 R)
• M23: 4,833,657 km (0.065 R)
• M24: 5,163,371 km (0.119 R)
• M25: 5,285,143 km (0.089 R)
• M26: 5,438,631 km (0.117 R)
• M27: 6,131,867 km (0.051 R)
• M28: 6,953,309 km (0.105 R)
• M29: 7,462,989 km (0.117 R)
• M30: 9,026,586 km (0.087 R)
• M31: 10,073,023 km (0.114 R)
• M32: 10,456,143 km (0.095 R)
• M33: 11,039,575 km (0.117 R)
• M34: 11,394,870 km (0.076 R)
• M35: 11,593,835 km (0.085 R)
• M36: 12,278,993 km (0.066 R)
• M37: 12,688,293 km (0.073 R)
• M38: 13,018,904 km (0.077 R)
• M39: 13,268,733 km (0.068 R)
• M40: 13,352,358 km (0.106 R)
• M41: 13,604,281 km (0.052 R)
• M42: 14,584,895 km (0.087 R)
• M43: 14,801,064 km (0.113 R)
• M44: 15,061,813 km (0.105 R)
• M45: 15,455,854 km (0.057 R)
• M46: 17,476,921 km (0.059 R)
• M47: 17,844,932 km (0.085 R)
• M48: 17,983,609 km (0.089 R)
• M49: 18,122,585 km (0.114 R)
• M50: 18,869,976 km (0.034 R)
• M51: 19,058,470 km (0.11 R)
• M52: 19,437,251 km (0.065 R)
• M53: 19,962,041 km (0.096 R)
• M54: 20,443,297 km (0.082 R)
• M55: 20,733,816 km (0.119 R)
• M56: 21,712,336 km (0.112 R)
• M57: 21,810,921 km (0.084 R)
• M58: 22,207,206 km (0.109 R)
• M59: 23,208,015 km (0.047 R)
• M60: 23,866,545 km (0.105 R)
• M61: 24,788,367 km (0.105 R)
• M62: 24,943,201 km (0.057 R)
• M63: 25,098,334 km (0.069 R)
• M64: 25,305,677 km (0.077 R)
• M65: 25,565,528 km (0.107 R)
• M66: 25,774,217 km (0.102 R)
• M67: 26,667,017 km (0.104 R)
• M68: 27,623,396 km (0.047 R)
• M69: 28,052,144 km (0.091 R)
• M70: 28,267,266 km (0.115 R)
• M71: 28,536,991 km (0.11 R)
• M72: 29,187,891 km (0.077 R)
• M73: 31,281,064 km (0.075 R)
• M74: 31,504,264 km (0.115 R)
• M75: 31,783,863 km (0.03 R)
• M76: 31,896,061 km (0.112 R)
• M77: 34,165,611 km (0.081 R)
• M78: 34,337,947 km (0.095 R)
• M79: 34,972,242 km (0.047 R)
• M80: 35,377,952 km (0.115 R)
• M81: 35,552,233 km (0.087 R)
• M82: 35,726,963 km (0.064 R)
• M83: 36,077,022 km (0.105 R)
• M84: 36,252,501 km (0.104 R)
• M85: 37,193,172 km (0.109 R)
• M86: 38,619,289 km (0.07 R)
• M87: 38,918,634 km (0.062 R)
• M88: 39,339,004 km (0.11 R)
• M89: 39,459,430 km (0.062 R)
• M90: 40,123,794 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.9

Radius: 13.8

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 8.81 AU - 10.27 AU

Year: 10356 Days

Day: 10.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 72,686,735 km

• M1: 213,177 km (0.071 R)
• M2: 341,382 km (0.094 R)
• M3: 517,908 km (0.114 R)
• M4: 651,648 km (0.084 R)
• M5: 940,971 km (0.07 R)
• M6: 1,131,110 km (0.086 R)
• M7: 1,419,983 km (0.087 R)
• M8: 2,504,867 km (0.118 R)
• M9: 3,169,231 km (0.094 R)
• M10: 3,551,603 km (0.074 R)
• M11: 4,137,428 km (0.117 R)
• M12: 4,425,554 km (0.115 R)
• M13: 4,987,892 km (0.039 R)
• M14: 5,157,686 km (0.08 R)
• M15: 5,363,981 km (0.054 R)
• M16: 5,572,969 km (0.112 R)
• M17: 5,891,763 km (0.106 R)
• M18: 6,326,045 km (0.1 R)
• M19: 6,733,400 km (0.111 R)
• M20: 7,073,137 km (0.045 R)
• M21: 7,730,171 km (0.093 R)
• M22: 7,887,548 km (0.073 R)
• M23: 8,046,121 km (0.089 R)
• M24: 8,326,169 km (0.087 R)
• M25: 8,731,729 km (0.071 R)
• M26: 9,352,410 km (0.057 R)
• M27: 9,987,453 km (0.089 R)
• M28: 10,680,091 km (0.099 R)
• M29: 11,209,967 km (0.06 R)
• M30: 11,748,370 km (0.088 R)
• M31: 11,929,682 km (0.094 R)
• M32: 12,249,223 km (0.116 R)
• M33: 12,990,481 km (0.08 R)
• M34: 13,841,842 km (0.086 R)
• M35: 13,985,456 km (0.105 R)
• M36: 15,054,034 km (0.068 R)
• M37: 15,647,937 km (0.102 R)
• M38: 16,401,163 km (0.078 R)
• M39: 16,553,154 km (0.058 R)
• M40: 16,807,770 km (0.088 R)
• M41: 17,475,425 km (0.026 R)
• M42: 18,047,338 km (0.097 R)
• M43: 18,152,056 km (0.047 R)
• M44: 18,256,775 km (0.09 R)
• M45: 18,572,576 km (0.051 R)
• M46: 18,731,149 km (0.113 R)
• M47: 18,837,065 km (0.034 R)
• M48: 18,996,386 km (0.093 R)
• M49: 19,156,157 km (0.094 R)
• M50: 19,691,867 km (0.112 R)
• M51: 20,232,663 km (0.108 R)
• M52: 20,668,741 km (0.107 R)
• M53: 21,163,012 km (0.105 R)
• M54: 23,179,143 km (0.066 R)
• M55: 23,349,984 km (0.075 R)
• M56: 23,979,791 km (0.119 R)
• M57: 24,441,300 km (0.09 R)
• M58: 27,934,859 km (0.059 R)
• M59: 28,664,448 km (0.117 R)
• M60: 29,031,561 km (0.097 R)
• M61: 29,646,857 km (0.101 R)
• M62: 29,770,425 km (0.061 R)
• M63: 30,328,724 km (0.082 R)
• M64: 31,266,853 km (0.088 R)
• M65: 31,392,664 km (0.087 R)
• M66: 31,518,626 km (0.091 R)
• M67: 32,087,546 km (0.038 R)
• M68: 33,107,505 km (0.027 R)
• M69: 33,364,215 km (0.104 R)
• M70: 33,814,803 km (0.096 R)
• M71: 34,983,163 km (0.087 R)
• M72: 35,835,123 km (0.096 R)
• M73: 37,159,213 km (0.064 R)
• M74: 39,378,648 km (0.108 R)
• M75: 40,264,865 km (0.067 R)
• M76: 40,744,775 km (0.099 R)
• M77: 43,452,946 km (0.105 R)
• M78: 43,593,418 km (0.099 R)
• M79: 44,156,654 km (0.117 R)
• M80: 44,722,433 km (0.1 R)
• M81: 45,789,664 km (0.085 R)
• M82: 46,147,203 km (0.074 R)
• M83: 46,505,789 km (0.095 R)
• M84: 48,457,742 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 307.4

Radius: 6.5

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 15.51 AU - 21.41 AU

Year: 27876 Days

Day: 21.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 72,686,735 km

• M1: 153,487 km (0.096 R)
• M2: 516,113 km (0.113 R)
• M3: 576,700 km (0.086 R)
• M4: 941,719 km (0.109 R)
• M5: 1,017,415 km (0.118 R)
• M6: 1,147,864 km (0.105 R)
• M7: 1,256,323 km (0.107 R)
• M8: 1,572,124 km (0.108 R)
• M9: 1,662,481 km (0.088 R)
• M10: 1,754,633 km (0.073 R)
• M11: 1,944,024 km (0.111 R)
• M12: 2,139,998 km (0.113 R)
• M13: 2,376,811 km (0.11 R)
• M14: 2,515,937 km (0.094 R)
• M15: 2,729,712 km (0.099 R)
• M16: 3,061,371 km (0.072 R)
• M17: 3,289,657 km (0.073 R)
• M18: 3,762,536 km (0.117 R)
• M19: 3,884,159 km (0.094 R)
• M20: 4,597,591 km (0.117 R)
• M21: 5,214,982 km (0.114 R)
• M22: 5,718,229 km (0.052 R)
• M23: 6,046,596 km (0.099 R)
• M24: 6,381,097 km (0.115 R)
• M25: 7,118,016 km (0.102 R)
• M26: 7,572,943 km (0.075 R)
• M27: 7,985,385 km (0.056 R)
• M28: 8,299,391 km (0.1 R)
• M29: 8,993,674 km (0.111 R)
• M30: 9,651,007 km (0.025 R)
• M31: 9,706,508 km (0.102 R)
• M32: 10,437,443 km (0.075 R)
• M33: 11,419,703 km (0.098 R)
• M34: 12,491,572 km (0.085 R)
• M35: 12,734,070 km (0.117 R)
• M36: 13,100,884 km (0.113 R)
• M37: 13,657,538 km (0.077 R)
• M38: 14,221,821 km (0.112 R)
• M39: 14,411,660 km (0.111 R)
• M40: 14,729,855 km (0.116 R)
• M41: 14,986,116 km (0.071 R)
• M42: 16,289,413 km (0.036 R)
• M43: 16,954,525 km (0.083 R)
• M44: 19,914,169 km (0.063 R)
• M45: 21,344,026 km (0.09 R)
• M46: 23,177,647 km (0.093 R)
• M47: 23,251,997 km (0.052 R)
• M48: 23,326,497 km (0.087 R)
• M49: 24,680,358 km (0.088 R)
• M50: 25,137,229 km (0.081 R)
• M51: 26,758,571 km (0.079 R)
• M52: 26,836,512 km (0.055 R)
• M53: 27,937,103 km (0.041 R)
• M54: 29,454,175 km (0.088 R)
• M55: 29,938,723 km (0.074 R)
• M56: 31,903,392 km (0.088 R)
• M57: 33,740,753 km (0.079 R)
• M58: 34,417,234 km (0.111 R)
• M59: 34,502,206 km (0.093 R)
• M60: 36,214,503 km (0.097 R)
• M61: 38,217,618 km (0.095 R)
• M62: 39,810,088 km (0.025 R)
• M63: 40,704,234 km (0.103 R)
• M64: 40,883,901 km (0.091 R)
• M65: 41,243,834 km (0.111 R)
• M66: 42,057,796 km (0.118 R)
• M67: 42,968,398 km (0.071 R)
• M68: 43,609,574 km (0.12 R)
• M69: 44,069,588 km (0.109 R)
• M70: 45,832,150 km (0.106 R)
• M71: 47,901,537 km (0.083 R)
• M72: 48,091,078 km (0.106 R)
• M73: 49,138,562 km (0.032 R)
• M74: 49,234,155 km (0.109 R)
• M75: 51,838,654 km (0.066 R)
• M76: 51,936,042 km (0.082 R)
• M77: 52,033,431 km (0.085 R)
• M78: 54,586,617 km (0.056 R)
• M79: 54,883,719 km (0.056 R)
• M80: 55,181,568 km (0.056 R)
• M81: 56,277,821 km (0.038 R)
• M82: 56,778,525 km (0.041 R)
• M83: 58,999,156 km (0.101 R)
• M84: 59,609,815 km (0.072 R)
• M85: 61,763,126 km (0.111 R)
• M86: 63,941,870 km (0.101 R)
• M87: 64,046,289 km (0.117 R)
• M88: 66,145,596 km (0.095 R)
• M89: 66,568,210 km (0.114 R)
• M90: 67,203,851 km (0.108 R)
• M91: 71,059,288 km (0.097 R)
• M92: 71,492,074 km (0.054 R)
• M93: 71,925,759 km (0.095 R)
• M94: 72,251,583 km (0.111 R)
• M95: 72,686,763 km (0.116 R)

Kuiper Belt

Range: 31.2 - 47.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 282 - 17,371 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit