🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.31 AU - 1.93 AU

Year: 746 Days

Day: 35.4 Hours

Environment

Temp: -45 °C

Axial Tilt: 18.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.58 AU - 3.28 AU

Year: 1814 Days

Day: 46.5 Hours

Environment

Temp: -101 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.73 AU - 5.95 AU

Year: 3851 Days

Day: 23.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 154.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,411,656 km

• M1: 163,361 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.6

Radius: 10.7

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 4.06 AU - 6.46 AU

Year: 4363 Days

Day: 10.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 80,411,656 km

• M1: 151,991 km (0.072 R)
• M2: 404,363 km (0.094 R)
• M3: 518,656 km (0.066 R)
• M4: 900,280 km (0.112 R)
• M5: 1,045,689 km (0.03 R)
• M6: 1,127,370 km (0.089 R)
• M7: 1,248,095 km (0.086 R)
• M8: 1,411,755 km (0.119 R)
• M9: 1,516,174 km (0.107 R)
• M10: 1,663,977 km (0.059 R)
• M11: 2,334,026 km (0.11 R)
• M12: 2,442,933 km (0.088 R)
• M13: 3,183,143 km (0.111 R)
• M14: 3,269,611 km (0.114 R)
• M15: 3,587,207 km (0.071 R)
• M16: 3,878,026 km (0.112 R)
• M17: 3,951,927 km (0.081 R)
• M18: 4,119,925 km (0.09 R)
• M19: 4,214,322 km (0.088 R)
• M20: 4,328,614 km (0.081 R)
• M21: 4,599,237 km (0.088 R)
• M22: 4,736,568 km (0.101 R)
• M23: 4,875,395 km (0.1 R)
• M24: 4,975,476 km (0.047 R)
• M25: 5,299,953 km (0.069 R)
• M26: 5,402,877 km (0.106 R)
• M27: 5,842,096 km (0.112 R)
• M28: 6,402,041 km (0.087 R)
• M29: 6,777,382 km (0.101 R)
• M30: 7,114,725 km (0.113 R)
• M31: 7,712,219 km (0.04 R)
• M32: 8,254,362 km (0.053 R)
• M33: 8,397,826 km (0.112 R)
• M34: 8,493,868 km (0.082 R)
• M35: 8,930,843 km (0.051 R)
• M36: 9,176,932 km (0.11 R)
• M37: 9,425,115 km (0.11 R)
• M38: 9,953,644 km (0.059 R)
• M39: 10,208,708 km (0.097 R)
• M40: 10,621,299 km (0.08 R)
• M41: 10,908,078 km (0.096 R)
• M42: 11,383,052 km (0.081 R)
• M43: 11,757,196 km (0.053 R)
• M44: 11,864,757 km (0.093 R)
• M45: 11,945,689 km (0.05 R)
• M46: 12,026,921 km (0.1 R)
• M47: 12,189,683 km (0.095 R)
• M48: 12,627,407 km (0.038 R)
• M49: 12,820,538 km (0.079 R)
• M50: 13,462,013 km (0.114 R)
• M51: 13,715,881 km (0.116 R)
• M52: 13,829,276 km (0.096 R)
• M53: 14,228,403 km (0.063 R)
• M54: 14,372,017 km (0.116 R)
• M55: 15,155,162 km (0.107 R)
• M56: 15,272,297 km (0.06 R)
• M57: 15,566,706 km (0.1 R)
• M58: 15,803,519 km (0.052 R)
• M59: 15,952,070 km (0.036 R)
• M60: 16,071,299 km (0.093 R)
• M61: 16,220,897 km (0.105 R)
• M62: 16,611,647 km (0.072 R)
• M63: 16,883,915 km (0.118 R)
• M64: 17,709,994 km (0.105 R)
• M65: 17,864,379 km (0.08 R)
• M66: 18,174,496 km (0.074 R)
• M67: 18,299,111 km (0.045 R)
• M68: 18,424,025 km (0.082 R)
• M69: 18,863,244 km (0.114 R)
• M70: 19,020,920 km (0.119 R)
• M71: 19,496,642 km (0.065 R)
• M72: 22,365,779 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.9

Radius: 9

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 6.41 AU - 7.41 AU

Year: 6569 Days

Day: 10.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 80,411,656 km

• M1: 141,819 km (0.075 R)
• M2: 201,658 km (0.117 R)
• M3: 273,465 km (0.11 R)
• M4: 357,988 km (0.101 R)
• M5: 714,330 km (0.074 R)
• M6: 776,263 km (0.09 R)
• M7: 895,044 km (0.104 R)
• M8: 996,771 km (0.083 R)
• M9: 1,200,074 km (0.095 R)
• M10: 1,262,606 km (0.118 R)
• M11: 1,377,796 km (0.061 R)
• M12: 1,496,577 km (0.115 R)
• M13: 1,605,185 km (0.094 R)
• M14: 1,787,395 km (0.089 R)
• M15: 1,902,885 km (0.075 R)
• M16: 2,080,906 km (0.072 R)
• M17: 2,141,494 km (0.078 R)
• M18: 2,264,463 km (0.048 R)
• M19: 2,358,261 km (0.114 R)
• M20: 2,517,583 km (0.091 R)
• M21: 2,696,950 km (0.09 R)
• M22: 3,068,252 km (0.109 R)
• M23: 3,366,401 km (0.116 R)
• M24: 3,637,173 km (0.049 R)
• M25: 3,766,126 km (0.107 R)
• M26: 4,219,408 km (0.116 R)
• M27: 4,316,048 km (0.118 R)
• M28: 4,472,228 km (0.11 R)
• M29: 5,054,014 km (0.116 R)
• M30: 5,156,788 km (0.051 R)
• M31: 5,260,310 km (0.099 R)
• M32: 5,343,486 km (0.085 R)
• M33: 5,532,428 km (0.05 R)
• M34: 5,596,008 km (0.112 R)
• M35: 5,745,007 km (0.058 R)
• M36: 5,917,045 km (0.058 R)
• M37: 5,981,970 km (0.109 R)
• M38: 6,689,418 km (0.081 R)
• M39: 6,825,104 km (0.113 R)
• M40: 7,823,520 km (0.085 R)
• M41: 8,038,342 km (0.118 R)
• M42: 8,254,960 km (0.094 R)
• M43: 8,694,179 km (0.058 R)
• M44: 8,916,781 km (0.113 R)
• M45: 9,241,408 km (0.053 R)
• M46: 9,570,075 km (0.091 R)
• M47: 10,526,155 km (0.098 R)
• M48: 11,055,582 km (0.099 R)
• M49: 11,702,443 km (0.111 R)
• M50: 12,223,193 km (0.108 R)
• M51: 12,389,247 km (0.053 R)
• M52: 13,458,124 km (0.117 R)
• M53: 13,515,270 km (0.031 R)
• M54: 14,177,390 km (0.099 R)
• M55: 14,322,650 km (0.093 R)
• M56: 14,410,164 km (0.083 R)
• M57: 14,644,285 km (0.102 R)
• M58: 15,056,876 km (0.106 R)
• M59: 15,116,117 km (0.092 R)
• M60: 15,533,196 km (0.111 R)
• M61: 15,653,024 km (0.111 R)
• M62: 16,105,258 km (0.099 R)
• M63: 16,196,213 km (0.076 R)
• M64: 16,561,831 km (0.1 R)
• M65: 17,270,027 km (0.103 R)
• M66: 17,332,110 km (0.083 R)
• M67: 17,581,041 km (0.115 R)
• M68: 17,643,423 km (0.067 R)
• M69: 18,145,474 km (0.032 R)
• M70: 18,240,169 km (0.057 R)
• M71: 18,366,729 km (0.073 R)
• M72: 18,461,724 km (0.1 R)
• M73: 18,525,153 km (0.108 R)
• M74: 18,843,497 km (0.09 R)
• M75: 18,939,390 km (0.111 R)
• M76: 19,292,291 km (0.073 R)
• M77: 19,388,931 km (0.093 R)
• M78: 20,396,922 km (0.054 R)
• M79: 20,626,854 km (0.112 R)
• M80: 21,488,388 km (0.093 R)
• M81: 21,856,548 km (0.111 R)
• M82: 22,125,525 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.2

Radius: 11

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 10.18 AU - 12.34 AU

Year: 13665 Days

Day: 10.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 80,411,656 km

• M1: 172,786 km (0.098 R)
• M2: 323,580 km (0.114 R)
• M3: 679,922 km (0.063 R)
• M4: 786,885 km (0.117 R)
• M5: 1,019,061 km (0.096 R)
• M6: 1,107,623 km (0.08 R)
• M7: 1,843,794 km (0.069 R)
• M8: 2,020,319 km (0.105 R)
• M9: 2,225,568 km (0.106 R)
• M10: 2,534,487 km (0.094 R)
• M11: 2,831,888 km (0.098 R)
• M12: 3,326,009 km (0.1 R)
• M13: 3,651,983 km (0.103 R)
• M14: 5,026,339 km (0.111 R)
• M15: 5,274,971 km (0.104 R)
• M16: 5,369,217 km (0.101 R)
• M17: 5,559,356 km (0.059 R)
• M18: 6,209,808 km (0.105 R)
• M19: 6,849,937 km (0.094 R)
• M20: 6,987,268 km (0.055 R)
• M21: 7,056,382 km (0.106 R)
• M22: 8,047,468 km (0.048 R)
• M23: 8,375,237 km (0.103 R)
• M24: 8,596,193 km (0.083 R)
• M25: 8,931,292 km (0.025 R)
• M26: 9,461,168 km (0.077 R)
• M27: 9,923,575 km (0.119 R)
• M28: 10,001,366 km (0.118 R)
• M29: 10,472,300 km (0.114 R)
• M30: 11,232,706 km (0.086 R)
• M31: 11,354,478 km (0.077 R)
• M32: 12,135,379 km (0.112 R)
• M33: 12,385,657 km (0.061 R)
• M34: 12,553,505 km (0.063 R)
• M35: 13,061,390 km (0.117 R)
• M36: 13,662,474 km (0.094 R)
• M37: 14,581,005 km (0.054 R)
• M38: 15,294,288 km (0.119 R)
• M39: 15,700,446 km (0.064 R)
• M40: 16,201,749 km (0.12 R)
• M41: 16,477,308 km (0.031 R)
• M42: 16,893,788 km (0.071 R)
• M43: 17,360,534 km (0.091 R)
• M44: 17,784,195 km (0.102 R)
• M45: 17,973,586 km (0.078 R)
• M46: 18,450,205 km (0.116 R)
• M47: 19,221,232 km (0.066 R)
• M48: 19,366,940 km (0.093 R)
• M49: 19,513,097 km (0.061 R)
• M50: 19,708,472 km (0.111 R)
• M51: 19,806,309 km (0.088 R)
• M52: 20,150,384 km (0.117 R)
• M53: 20,496,404 km (0.116 R)
• M54: 20,844,519 km (0.059 R)
• M55: 20,994,266 km (0.115 R)
• M56: 22,511,338 km (0.081 R)
• M57: 24,063,715 km (0.118 R)
• M58: 24,430,828 km (0.114 R)
• M59: 24,852,694 km (0.094 R)
• M60: 24,958,610 km (0.112 R)
• M61: 25,490,131 km (0.041 R)
• M62: 25,917,981 km (0.087 R)
• M63: 26,672,552 km (0.113 R)
• M64: 27,708,069 km (0.088 R)
• M65: 28,313,641 km (0.077 R)
• M66: 28,645,748 km (0.115 R)
• M67: 29,146,452 km (0.095 R)
• M68: 29,818,446 km (0.047 R)
• M69: 29,930,944 km (0.029 R)
• M70: 30,779,164 km (0.044 R)
• M71: 31,177,692 km (0.095 R)
• M72: 32,095,176 km (0.096 R)
• M73: 32,383,750 km (0.089 R)
• M74: 33,137,873 km (0.111 R)
• M75: 33,371,096 km (0.105 R)
• M76: 35,197,088 km (0.034 R)
• M77: 35,434,948 km (0.061 R)
• M78: 35,673,557 km (0.064 R)
• M79: 36,572,640 km (0.09 R)
• M80: 37,661,414 km (0.112 R)
• M81: 38,026,732 km (0.106 R)
• M82: 40,741,335 km (0.065 R)
• M83: 41,932,732 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 339.3

Radius: 8

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 10.85 AU - 15.17 AU

Year: 16971 Days

Day: 24.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 80,411,656 km

• M1: 188,643 km (0.116 R)
• M2: 312,360 km (0.104 R)
• M3: 467,344 km (0.119 R)
• M4: 563,086 km (0.082 R)
• M5: 813,214 km (0.056 R)
• M6: 971,489 km (0.045 R)
• M7: 1,529,489 km (0.079 R)
• M8: 1,676,543 km (0.061 R)
• M9: 1,984,565 km (0.043 R)
• M10: 2,682,439 km (0.1 R)
• M11: 2,981,486 km (0.082 R)
• M12: 3,042,671 km (0.111 R)
• M13: 3,291,303 km (0.077 R)
• M14: 3,578,830 km (0.104 R)
• M15: 3,775,252 km (0.104 R)
• M16: 3,975,115 km (0.11 R)
• M17: 4,315,899 km (0.111 R)
• M18: 5,771,336 km (0.114 R)
• M19: 5,886,227 km (0.114 R)
• M20: 6,313,778 km (0.086 R)
• M21: 6,432,110 km (0.108 R)
• M22: 6,511,397 km (0.118 R)
• M23: 7,116,670 km (0.11 R)
• M24: 7,198,799 km (0.112 R)
• M25: 7,909,090 km (0.116 R)
• M26: 8,510,772 km (0.069 R)
• M27: 8,597,988 km (0.035 R)
• M28: 8,685,503 km (0.096 R)
• M29: 9,082,685 km (0.097 R)
• M30: 9,712,492 km (0.082 R)
• M31: 11,491,809 km (0.086 R)
• M32: 11,684,790 km (0.106 R)
• M33: 12,025,275 km (0.119 R)
• M34: 12,418,418 km (0.119 R)
• M35: 12,716,118 km (0.072 R)
• M36: 14,135,952 km (0.032 R)
• M37: 14,187,563 km (0.07 R)
• M38: 15,233,402 km (0.118 R)
• M39: 15,392,424 km (0.075 R)
• M40: 16,087,905 km (0.092 R)
• M41: 16,903,213 km (0.066 R)
• M42: 17,232,927 km (0.067 R)
• M43: 18,122,884 km (0.101 R)
• M44: 18,970,805 km (0.102 R)
• M45: 19,428,275 km (0.095 R)
• M46: 19,658,357 km (0.071 R)
• M47: 20,587,809 km (0.096 R)
• M48: 21,412,841 km (0.031 R)
• M49: 21,829,321 km (0.108 R)
• M50: 22,489,347 km (0.03 R)
• M51: 23,277,728 km (0.1 R)
• M52: 23,951,816 km (0.116 R)
• M53: 24,013,450 km (0.113 R)
• M54: 24,819,184 km (0.103 R)
• M55: 24,881,567 km (0.113 R)
• M56: 26,968,008 km (0.078 R)
• M57: 27,417,699 km (0.047 R)
• M58: 27,869,934 km (0.101 R)
• M59: 28,129,486 km (0.113 R)
• M60: 28,978,604 km (0.089 R)
• M61: 29,109,950 km (0.077 R)
• M62: 30,168,056 km (0.073 R)
• M63: 32,526,018 km (0.077 R)
• M64: 33,969,188 km (0.11 R)
• M65: 34,524,346 km (0.088 R)
• M66: 34,733,334 km (0.083 R)
• M67: 35,784,708 km (0.11 R)
• M68: 35,925,629 km (0.066 R)
• M69: 36,208,070 km (0.098 R)
• M70: 39,218,129 km (0.057 R)
• M71: 42,084,275 km (0.072 R)
• M72: 42,830,020 km (0.049 R)
• M73: 43,129,515 km (0.098 R)
• M74: 44,032,188 km (0.119 R)
• M75: 45,626,902 km (0.079 R)
• M76: 47,860,099 km (0.052 R)
• M77: 50,049,763 km (0.114 R)
• M78: 51,952,498 km (0.097 R)
• M79: 53,073,285 km (0.098 R)
• M80: 53,959,653 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 697.2

Radius: 7.9

Gravity: 11.17 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 13.27 AU - 17.23 AU

Year: 21537 Days

Day: 24.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 80,411,656 km

• M1: 231,278 km (0.045 R)
• M2: 890,556 km (0.115 R)
• M3: 1,649,915 km (0.108 R)
• M4: 1,915,601 km (0.106 R)
• M5: 2,159,146 km (0.075 R)
• M6: 2,266,707 km (0.098 R)
• M7: 2,376,063 km (0.114 R)
• M8: 2,676,156 km (0.087 R)
• M9: 3,108,644 km (0.061 R)
• M10: 3,562,823 km (0.077 R)
• M11: 3,690,280 km (0.083 R)
• M12: 3,993,814 km (0.113 R)
• M13: 4,305,277 km (0.09 R)
• M14: 4,671,044 km (0.072 R)
• M15: 5,238,319 km (0.102 R)
• M16: 5,432,198 km (0.08 R)
• M17: 7,014,046 km (0.088 R)
• M18: 7,389,686 km (0.036 R)
• M19: 8,216,813 km (0.118 R)
• M20: 8,899,428 km (0.112 R)
• M21: 11,303,316 km (0.078 R)
• M22: 11,491,360 km (0.041 R)
• M23: 12,125,356 km (0.111 R)
• M24: 12,575,945 km (0.034 R)
• M25: 12,705,646 km (0.097 R)
• M26: 13,626,421 km (0.079 R)
• M27: 14,027,493 km (0.103 R)
• M28: 14,568,439 km (0.111 R)
• M29: 14,841,455 km (0.051 R)
• M30: 15,116,117 km (0.108 R)
• M31: 15,950,424 km (0.104 R)
• M32: 16,020,586 km (0.081 R)
• M33: 16,870,900 km (0.061 R)
• M34: 17,157,679 km (0.037 R)
• M35: 18,541,459 km (0.072 R)
• M36: 18,985,765 km (0.1 R)
• M37: 19,284,063 km (0.111 R)
• M38: 19,508,759 km (0.085 R)
• M39: 21,105,716 km (0.111 R)
• M40: 21,492,128 km (0.087 R)
• M41: 21,647,261 km (0.081 R)
• M42: 22,115,203 km (0.103 R)
• M43: 22,823,250 km (0.038 R)
• M44: 23,458,891 km (0.105 R)
• M45: 24,261,633 km (0.083 R)
• M46: 24,747,527 km (0.051 R)
• M47: 27,393,165 km (0.073 R)
• M48: 27,561,463 km (0.095 R)
• M49: 29,435,475 km (0.111 R)
• M50: 29,521,644 km (0.116 R)
• M51: 30,127,066 km (0.108 R)
• M52: 32,056,580 km (0.052 R)
• M53: 34,116,094 km (0.084 R)
• M54: 34,387,913 km (0.11 R)
• M55: 34,751,286 km (0.1 R)
• M56: 36,033,639 km (0.114 R)
• M57: 37,331,251 km (0.108 R)
• M58: 39,496,231 km (0.113 R)
• M59: 40,450,067 km (0.085 R)
• M60: 40,833,786 km (0.067 R)
• M61: 41,218,701 km (0.074 R)
• M62: 41,604,813 km (0.079 R)
• M63: 43,161,230 km (0.113 R)
• M64: 43,553,326 km (0.108 R)
• M65: 45,431,677 km (0.083 R)
• M66: 45,730,723 km (0.119 R)
• M67: 45,930,436 km (0.116 R)
• M68: 46,430,990 km (0.052 R)
• M69: 46,832,661 km (0.089 R)
• M70: 47,639,592 km (0.115 R)
• M71: 48,349,433 km (0.116 R)
• M72: 52,159,093 km (0.051 R)
• M73: 55,850,420 km (0.095 R)
• M74: 58,321,777 km (0.079 R)
• M75: 60,061,900 km (0.101 R)
• M76: 60,499,623 km (0.081 R)
• M77: 60,609,129 km (0.065 R)
• M78: 61,598,419 km (0.087 R)
• M79: 62,703,798 km (0.103 R)
• M80: 65,158,849 km (0.117 R)
• M81: 66,172,075 km (0.069 R)
• M82: 66,397,968 km (0.047 R)
• M83: 67,758,710 km (0.111 R)
• M84: 69,357,911 km (0.044 R)
• M85: 69,472,653 km (0.118 R)
• M86: 69,702,136 km (0.093 R)
• M87: 69,932,068 km (0.073 R)
• M88: 70,277,340 km (0.069 R)
• M89: 71,663,813 km (0.078 R)
• M90: 71,779,901 km (0.041 R)
• M91: 72,244,253 km (0.103 R)
• M92: 72,942,875 km (0.082 R)
• M93: 73,176,247 km (0.061 R)
• M94: 74,581,570 km (0.118 R)
• M95: 78,850,644 km (0.106 R)

Kuiper Belt

Range: 30.3 - 50.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 12,579 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit