🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.69 AU - 0.87 AU

Year: 264 Days

Day: 27.2 Hours

Environment

Temp: 73 °C

Axial Tilt: 9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.62 AU - 2.28 AU

Year: 1043 Days

Day: 21.4 Hours

Environment

Temp: -72 °C

Axial Tilt: 10.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 112,418,633 km

• M1: 232,325 km (0.026 R)
• M2: 1,294,919 km (0.114 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.15 AU - 2.99 AU

Year: 1577 Days

Day: 40.1 Hours

Environment

Temp: -103 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.4

Radius: 13

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 4.43 AU - 4.63 AU

Year: 3692 Days

Day: 13.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 112,418,633 km

• M1: 202,855 km (0.115 R)
• M2: 500,405 km (0.074 R)
• M3: 593,305 km (0.109 R)
• M4: 789,278 km (0.088 R)
• M5: 913,594 km (0.101 R)
• M6: 1,209,200 km (0.059 R)
• M7: 1,465,311 km (0.047 R)
• M8: 1,578,706 km (0.119 R)
• M9: 1,695,093 km (0.079 R)
• M10: 1,860,100 km (0.071 R)
• M11: 1,968,110 km (0.091 R)
• M12: 2,094,071 km (0.083 R)
• M13: 2,337,766 km (0.056 R)
• M14: 2,694,856 km (0.073 R)
• M15: 2,871,232 km (0.09 R)
• M16: 2,978,793 km (0.075 R)
• M17: 3,518,392 km (0.111 R)
• M18: 3,634,031 km (0.116 R)
• M19: 3,968,233 km (0.118 R)
• M20: 4,312,607 km (0.105 R)
• M21: 4,987,294 km (0.061 R)
• M22: 5,139,435 km (0.085 R)
• M23: 5,315,063 km (0.108 R)
• M24: 5,470,345 km (0.078 R)
• M25: 5,559,954 km (0.066 R)
• M26: 5,672,452 km (0.093 R)
• M27: 5,785,698 km (0.047 R)
• M28: 5,922,729 km (0.116 R)
• M29: 6,107,034 km (0.071 R)
• M30: 6,269,946 km (0.068 R)
• M31: 6,481,477 km (0.058 R)
• M32: 6,743,274 km (0.091 R)
• M33: 7,351,389 km (0.11 R)
• M34: 7,574,589 km (0.046 R)
• M35: 7,699,653 km (0.047 R)
• M36: 7,926,443 km (0.041 R)
• M37: 8,053,302 km (0.102 R)
• M38: 8,829,266 km (0.108 R)
• M39: 9,013,721 km (0.111 R)
• M40: 9,737,475 km (0.03 R)
• M41: 9,819,006 km (0.117 R)
• M42: 10,675,304 km (0.072 R)
• M43: 10,787,502 km (0.079 R)
• M44: 10,900,150 km (0.116 R)
• M45: 11,613,133 km (0.102 R)
• M46: 12,666,153 km (0.088 R)
• M47: 13,204,106 km (0.116 R)
• M48: 14,179,036 km (0.068 R)
• M49: 14,426,321 km (0.083 R)
• M50: 15,051,042 km (0.103 R)
• M51: 15,844,359 km (0.069 R)
• M52: 16,068,906 km (0.052 R)
• M53: 16,391,588 km (0.102 R)
• M54: 16,586,215 km (0.073 R)
• M55: 17,306,379 km (0.067 R)
• M56: 19,562,315 km (0.093 R)
• M57: 19,768,760 km (0.096 R)
• M58: 19,941,396 km (0.087 R)
• M59: 20,149,188 km (0.117 R)
• M60: 20,847,211 km (0.117 R)
• M61: 20,952,678 km (0.061 R)
• M62: 22,052,073 km (0.112 R)
• M63: 22,302,948 km (0.077 R)
• M64: 23,827,949 km (0.095 R)
• M65: 24,195,960 km (0.116 R)
• M66: 24,306,812 km (0.102 R)
• M67: 24,454,764 km (0.098 R)
• M68: 24,900,416 km (0.072 R)
• M69: 25,049,715 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.9

Radius: 8.9

Gravity: 12.36 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.73 AU - 5.77 AU

Year: 3964 Days

Day: 5.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 112,418,633 km

• M1: 186,698 km (0.109 R)
• M2: 425,456 km (0.113 R)
• M3: 516,113 km (0.114 R)
• M4: 804,687 km (0.074 R)
• M5: 1,070,074 km (0.095 R)
• M6: 1,779,915 km (0.066 R)
• M7: 2,144,934 km (0.093 R)
• M8: 2,345,545 km (0.042 R)
• M9: 2,401,345 km (0.036 R)
• M10: 2,495,292 km (0.106 R)
• M11: 2,648,331 km (0.113 R)
• M12: 2,745,570 km (0.099 R)
• M13: 3,146,492 km (0.081 R)
• M14: 3,438,058 km (0.114 R)
• M15: 3,651,834 km (0.115 R)
• M16: 4,666,556 km (0.117 R)
• M17: 4,784,589 km (0.092 R)
• M18: 5,217,226 km (0.042 R)
• M19: 6,017,425 km (0.055 R)
• M20: 6,120,198 km (0.094 R)
• M21: 6,301,362 km (0.09 R)
• M22: 6,962,883 km (0.057 R)
• M23: 7,452,816 km (0.106 R)
• M24: 7,674,221 km (0.078 R)
• M25: 8,151,887 km (0.073 R)
• M26: 8,523,638 km (0.087 R)
• M27: 8,668,149 km (0.087 R)
• M28: 8,871,752 km (0.072 R)
• M29: 9,492,134 km (0.082 R)
• M30: 9,671,951 km (0.116 R)
• M31: 9,913,402 km (0.12 R)
• M32: 10,433,404 km (0.116 R)
• M33: 10,712,255 km (0.062 R)
• M34: 11,024,914 km (0.066 R)
• M35: 11,150,876 km (0.039 R)
• M36: 11,214,006 km (0.109 R)
• M37: 11,563,467 km (0.098 R)
• M38: 11,884,204 km (0.089 R)
• M39: 12,240,547 km (0.032 R)
• M40: 12,864,070 km (0.041 R)
• M41: 12,996,764 km (0.039 R)
• M42: 13,531,726 km (0.094 R)
• M43: 13,632,854 km (0.1 R)
• M44: 14,244,859 km (0.096 R)
• M45: 14,382,190 km (0.093 R)
• M46: 14,692,456 km (0.115 R)
• M47: 14,831,133 km (0.076 R)
• M48: 14,970,259 km (0.111 R)
• M49: 15,601,562 km (0.104 R)
• M50: 15,778,387 km (0.109 R)
• M51: 16,027,168 km (0.068 R)
• M52: 16,890,048 km (0.031 R)
• M53: 17,290,522 km (0.075 R)
• M54: 17,363,675 km (0.106 R)
• M55: 17,473,630 km (0.092 R)
• M56: 17,620,535 km (0.043 R)
• M57: 18,398,743 km (0.099 R)
• M58: 18,999,079 km (0.09 R)
• M59: 19,225,870 km (0.113 R)
• M60: 20,026,817 km (0.083 R)
• M61: 20,683,102 km (0.088 R)
• M62: 22,534,226 km (0.118 R)
• M63: 22,854,516 km (0.118 R)
• M64: 23,055,575 km (0.077 R)
• M65: 23,459,190 km (0.073 R)
• M66: 23,743,276 km (0.104 R)
• M67: 23,824,658 km (0.103 R)
• M68: 24,110,090 km (0.12 R)
• M69: 24,766,825 km (0.113 R)
• M70: 24,849,254 km (0.098 R)
• M71: 25,014,559 km (0.089 R)
• M72: 25,304,779 km (0.081 R)
• M73: 25,554,308 km (0.096 R)
• M74: 25,762,997 km (0.067 R)
• M75: 26,392,206 km (0.091 R)
• M76: 26,560,803 km (0.07 R)
• M77: 27,153,958 km (0.081 R)
• M78: 27,324,201 km (0.103 R)
• M79: 27,751,452 km (0.099 R)
• M80: 28,137,714 km (0.103 R)
• M81: 28,612,388 km (0.079 R)
• M82: 28,959,305 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608

Radius: 12.9

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 4.93 AU - 6.55 AU

Year: 5265 Days

Day: 5.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 112,418,633 km

• M1: 161,416 km (0.114 R)
• M2: 271,520 km (0.09 R)
• M3: 436,227 km (0.099 R)
• M4: 577,747 km (0.06 R)
• M5: 774,019 km (0.098 R)
• M6: 1,021,454 km (0.105 R)
• M7: 1,265,299 km (0.107 R)
• M8: 1,593,217 km (0.1 R)
• M9: 2,126,534 km (0.051 R)
• M10: 2,254,590 km (0.091 R)
• M11: 2,385,188 km (0.09 R)
• M12: 2,518,480 km (0.109 R)
• M13: 2,812,739 km (0.087 R)
• M14: 3,015,145 km (0.095 R)
• M15: 3,585,711 km (0.108 R)
• M16: 4,098,533 km (0.104 R)
• M17: 4,492,574 km (0.098 R)
• M18: 4,730,135 km (0.07 R)
• M19: 4,923,116 km (0.103 R)
• M20: 5,317,157 km (0.069 R)
• M21: 5,721,520 km (0.088 R)
• M22: 6,005,457 km (0.118 R)
• M23: 6,135,906 km (0.107 R)
• M24: 6,453,203 km (0.054 R)
• M25: 6,830,190 km (0.079 R)
• M26: 7,103,804 km (0.071 R)
• M27: 7,409,134 km (0.032 R)
• M28: 7,946,639 km (0.077 R)
• M29: 8,032,658 km (0.091 R)
• M30: 9,603,585 km (0.084 R)
• M31: 9,817,959 km (0.113 R)
• M32: 10,127,177 km (0.095 R)
• M33: 11,299,127 km (0.081 R)
• M34: 11,983,238 km (0.102 R)
• M35: 12,082,122 km (0.051 R)
• M36: 12,580,433 km (0.092 R)
• M37: 12,747,983 km (0.051 R)
• M38: 13,085,475 km (0.115 R)
• M39: 13,221,310 km (0.092 R)
• M40: 13,734,730 km (0.084 R)
• M41: 14,080,750 km (0.052 R)
• M42: 14,464,618 km (0.114 R)
• M43: 14,640,246 km (0.098 R)
• M44: 14,816,622 km (0.053 R)
• M45: 15,171,468 km (0.088 R)
• M46: 15,385,842 km (0.113 R)
• M47: 15,781,229 km (0.113 R)
• M48: 16,362,417 km (0.071 R)
• M49: 16,618,977 km (0.068 R)
• M50: 17,247,438 km (0.098 R)
• M51: 17,808,430 km (0.078 R)
• M52: 18,185,865 km (0.103 R)
• M53: 18,299,560 km (0.09 R)
• M54: 18,489,549 km (0.085 R)
• M55: 18,680,286 km (0.046 R)
• M56: 18,795,028 km (0.105 R)
• M57: 20,111,938 km (0.06 R)
• M58: 20,229,671 km (0.108 R)
• M59: 21,618,837 km (0.074 R)
• M60: 22,142,729 km (0.039 R)
• M61: 23,038,820 km (0.096 R)
• M62: 23,120,800 km (0.064 R)
• M63: 24,824,271 km (0.08 R)
• M64: 24,992,568 km (0.11 R)
• M65: 25,161,315 km (0.099 R)
• M66: 25,840,040 km (0.078 R)
• M67: 26,010,731 km (0.115 R)
• M68: 26,396,095 km (0.092 R)
• M69: 26,567,834 km (0.087 R)
• M70: 27,258,976 km (0.117 R)
• M71: 27,432,659 km (0.081 R)
• M72: 27,694,007 km (0.089 R)
• M73: 29,679,619 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.2

Radius: 9.3

Gravity: 10.63 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 7.54 AU - 8.8 AU

Year: 8941 Days

Day: 9 Hours

Environment

Temp: -175 °C

Axial Tilt: 100.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 112,418,633 km

• M1: 164,558 km (0.093 R)
• M2: 264,639 km (0.049 R)
• M3: 747,092 km (0.109 R)
• M4: 835,055 km (0.091 R)
• M5: 1,081,144 km (0.038 R)
• M6: 1,202,617 km (0.084 R)
• M7: 1,265,149 km (0.058 R)
• M8: 1,393,654 km (0.055 R)
• M9: 2,305,154 km (0.095 R)
• M10: 2,410,171 km (0.116 R)
• M11: 2,625,293 km (0.097 R)
• M12: 2,735,098 km (0.113 R)
• M13: 2,874,673 km (0.11 R)
• M14: 2,959,644 km (0.114 R)
• M15: 3,947,888 km (0.091 R)
• M16: 4,428,695 km (0.104 R)
• M17: 4,560,042 km (0.068 R)
• M18: 4,759,456 km (0.108 R)
• M19: 4,860,285 km (0.114 R)
• M20: 5,340,345 km (0.07 R)
• M21: 6,088,633 km (0.12 R)
• M22: 6,198,139 km (0.078 R)
• M23: 7,329,847 km (0.1 R)
• M24: 8,159,517 km (0.111 R)
• M25: 10,339,158 km (0.117 R)
• M26: 11,177,953 km (0.078 R)
• M27: 11,537,736 km (0.062 R)
• M28: 11,946,886 km (0.106 R)
• M29: 13,726,951 km (0.116 R)
• M30: 14,696,644 km (0.035 R)
• M31: 14,843,998 km (0.033 R)
• M32: 14,942,434 km (0.073 R)
• M33: 15,090,685 km (0.069 R)
• M34: 15,488,167 km (0.111 R)
• M35: 17,009,577 km (0.114 R)
• M36: 18,525,004 km (0.092 R)
• M37: 18,684,325 km (0.107 R)
• M38: 19,057,572 km (0.109 R)
• M39: 19,595,227 km (0.076 R)
• M40: 19,757,540 km (0.048 R)
• M41: 20,356,231 km (0.083 R)
• M42: 21,293,312 km (0.053 R)
• M43: 21,404,463 km (0.113 R)
• M44: 22,019,311 km (0.092 R)
• M45: 23,553,138 km (0.072 R)
• M46: 24,303,820 km (0.072 R)
• M47: 24,361,864 km (0.111 R)
• M48: 24,886,653 km (0.111 R)
• M49: 25,062,430 km (0.09 R)
• M50: 25,592,157 km (0.113 R)
• M51: 25,710,339 km (0.063 R)
• M52: 25,947,302 km (0.106 R)
• M53: 26,602,840 km (0.053 R)
• M54: 27,203,475 km (0.098 R)
• M55: 27,626,538 km (0.117 R)
• M56: 28,418,060 km (0.083 R)
• M57: 29,650,298 km (0.118 R)
• M58: 30,210,392 km (0.107 R)
• M59: 30,523,202 km (0.039 R)
• M60: 30,962,720 km (0.113 R)
• M61: 31,911,919 km (0.093 R)
• M62: 32,421,898 km (0.088 R)
• M63: 32,870,542 km (0.112 R)
• M64: 33,256,654 km (0.037 R)
• M65: 35,341,151 km (0.109 R)
• M66: 35,406,974 km (0.071 R)
• M67: 35,472,797 km (0.087 R)
• M68: 36,133,720 km (0.076 R)
• M69: 36,798,683 km (0.068 R)
• M70: 37,266,475 km (0.062 R)
• M71: 37,669,043 km (0.097 R)
• M72: 37,803,532 km (0.101 R)
• M73: 37,938,319 km (0.113 R)
• M74: 38,817,655 km (0.093 R)
• M75: 39,089,475 km (0.098 R)
• M76: 39,293,826 km (0.115 R)
• M77: 40,803,268 km (0.079 R)
• M78: 41,703,997 km (0.046 R)
• M79: 41,773,560 km (0.116 R)
• M80: 42,261,698 km (0.087 R)
• M81: 42,401,422 km (0.085 R)
• M82: 42,891,953 km (0.036 R)
• M83: 43,595,811 km (0.118 R)
• M84: 44,658,854 km (0.111 R)
• M85: 45,300,778 km (0.114 R)
• M86: 45,372,286 km (0.119 R)
• M87: 46,377,434 km (0.104 R)
• M88: 47,027,587 km (0.081 R)
• M89: 47,898,994 km (0.116 R)
• M90: 48,263,564 km (0.046 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 996.6

Radius: 7.3

Gravity: 18.7 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 18.18 AU - 18.26 AU

Year: 29778 Days

Day: 17.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 112,418,633 km

• M1: 339,737 km (0.116 R)
• M2: 858,093 km (0.085 R)
• M3: 922,869 km (0.067 R)
• M4: 1,272,031 km (0.115 R)
• M5: 1,783,057 km (0.117 R)
• M6: 4,357,636 km (0.105 R)
• M7: 4,414,334 km (0.119 R)
• M8: 5,295,166 km (0.057 R)
• M9: 6,486,414 km (0.047 R)
• M10: 7,279,732 km (0.082 R)
• M11: 7,964,142 km (0.098 R)
• M12: 8,173,429 km (0.046 R)
• M13: 8,314,051 km (0.072 R)
• M14: 8,526,480 km (0.073 R)
• M15: 9,101,385 km (0.101 R)
• M16: 9,320,396 km (0.081 R)
• M17: 9,689,005 km (0.088 R)
• M18: 9,837,855 km (0.102 R)
• M19: 12,239,350 km (0.103 R)
• M20: 13,963,615 km (0.108 R)
• M21: 14,385,331 km (0.099 R)
• M22: 15,068,545 km (0.107 R)
• M23: 15,501,032 km (0.087 R)
• M24: 18,272,034 km (0.062 R)
• M25: 18,363,887 km (0.076 R)
• M26: 19,104,546 km (0.081 R)
• M27: 20,139,015 km (0.032 R)
• M28: 20,234,010 km (0.036 R)
• M29: 20,806,670 km (0.093 R)
• M30: 21,870,610 km (0.054 R)
• M31: 22,655,401 km (0.06 R)
• M32: 23,749,560 km (0.056 R)
• M33: 23,849,940 km (0.11 R)
• M34: 24,556,042 km (0.044 R)
• M35: 24,657,469 km (0.089 R)
• M36: 24,860,773 km (0.112 R)
• M37: 25,371,500 km (0.073 R)
• M38: 25,474,124 km (0.118 R)
• M39: 26,299,605 km (0.055 R)
• M40: 29,904,315 km (0.049 R)
• M41: 30,121,082 km (0.103 R)
• M42: 34,225,450 km (0.119 R)
• M43: 35,021,460 km (0.114 R)
• M44: 35,364,488 km (0.114 R)
• M45: 38,265,939 km (0.109 R)
• M46: 39,804,702 km (0.075 R)
• M47: 41,484,238 km (0.114 R)
• M48: 41,968,486 km (0.107 R)
• M49: 42,576,152 km (0.058 R)
• M50: 43,309,481 km (0.117 R)
• M51: 44,293,536 km (0.041 R)
• M52: 45,036,439 km (0.053 R)
• M53: 45,160,605 km (0.11 R)
• M54: 46,408,999 km (0.067 R)
• M55: 46,785,836 km (0.07 R)
• M56: 47,037,460 km (0.107 R)
• M57: 47,289,682 km (0.11 R)
• M58: 50,479,557 km (0.081 R)
• M59: 52,035,226 km (0.041 R)
• M60: 52,296,124 km (0.068 R)
• M61: 53,870,044 km (0.057 R)
• M62: 54,662,763 km (0.063 R)
• M63: 55,326,379 km (0.067 R)
• M64: 55,459,521 km (0.093 R)
• M65: 58,548,717 km (0.044 R)
• M66: 59,909,310 km (0.098 R)
• M67: 60,319,507 km (0.104 R)
• M68: 60,456,389 km (0.061 R)
• M69: 60,867,783 km (0.099 R)
• M70: 61,142,595 km (0.089 R)
• M71: 61,693,414 km (0.077 R)
• M72: 62,246,028 km (0.096 R)
• M73: 63,773,722 km (0.084 R)
• M74: 64,052,872 km (0.083 R)
• M75: 65,313,832 km (0.108 R)
• M76: 65,595,226 km (0.115 R)
• M77: 66,017,989 km (0.063 R)
• M78: 67,007,878 km (0.105 R)
• M79: 69,576,025 km (0.112 R)
• M80: 69,719,639 km (0.09 R)
• M81: 70,872,141 km (0.078 R)
• M82: 73,634,316 km (0.095 R)
• M83: 75,249,524 km (0.096 R)
• M84: 77,917,752 km (0.114 R)
• M85: 83,041,628 km (0.101 R)
• M86: 83,804,278 km (0.073 R)
• M87: 87,497,102 km (0.115 R)
• M88: 88,739,811 km (0.089 R)
• M89: 89,051,424 km (0.055 R)
• M90: 95,518,839 km (0.099 R)
• M91: 100,508,227 km (0.074 R)
• M92: 100,670,690 km (0.052 R)
• M93: 102,462,274 km (0.076 R)
• M94: 102,952,806 km (0.097 R)
• M95: 109,065,674 km (0.119 R)
• M96: 109,900,729 km (0.104 R)
• M97: 110,570,329 km (0.116 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 15,043 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit