🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.07 AU - 2.69 AU

Year: 1303 Days

Day: 38 Hours

Environment

Temp: -68 °C

Axial Tilt: 1.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 102,633,246 km

• M1: 544,835 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.2

Radius: 10.4

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.75 AU - 6.55 AU

Year: 4764 Days

Day: 6.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 102,633,246 km

• M1: 158,574 km (0.083 R)
• M2: 233,672 km (0.062 R)
• M3: 633,397 km (0.109 R)
• M4: 701,016 km (0.104 R)
• M5: 1,209,798 km (0.12 R)
• M6: 1,449,454 km (0.043 R)
• M7: 1,568,384 km (0.098 R)
• M8: 2,032,736 km (0.075 R)
• M9: 2,106,787 km (0.088 R)
• M10: 2,303,807 km (0.105 R)
• M11: 2,732,106 km (0.115 R)
• M12: 2,880,507 km (0.075 R)
• M13: 3,680,407 km (0.114 R)
• M14: 3,937,117 km (0.041 R)
• M15: 4,161,813 km (0.068 R)
• M16: 4,256,658 km (0.085 R)
• M17: 4,352,251 km (0.081 R)
• M18: 4,663,115 km (0.113 R)
• M19: 4,821,240 km (0.066 R)
• M20: 4,921,022 km (0.112 R)
• M21: 5,388,665 km (0.049 R)
• M22: 5,533,924 km (0.092 R)
• M23: 6,171,062 km (0.073 R)
• M24: 6,498,382 km (0.109 R)
• M25: 7,033,942 km (0.061 R)
• M26: 8,005,132 km (0.052 R)
• M27: 8,266,479 km (0.106 R)
• M28: 8,578,989 km (0.093 R)
• M29: 8,821,936 km (0.094 R)
• M30: 9,067,277 km (0.093 R)
• M31: 9,389,660 km (0.089 R)
• M32: 9,514,574 km (0.096 R)
• M33: 9,690,501 km (0.045 R)
• M34: 10,638,054 km (0.063 R)
• M35: 10,925,432 km (0.074 R)
• M36: 11,348,046 km (0.049 R)
• M37: 12,182,203 km (0.086 R)
• M38: 12,346,013 km (0.084 R)
• M39: 12,897,132 km (0.107 R)
• M40: 13,091,908 km (0.057 R)
• M41: 13,540,702 km (0.038 R)
• M42: 13,710,346 km (0.049 R)
• M43: 13,909,161 km (0.111 R)
• M44: 14,023,304 km (0.087 R)
• M45: 14,109,024 km (0.079 R)
• M46: 14,194,893 km (0.118 R)
• M47: 14,655,954 km (0.118 R)
• M48: 15,151,422 km (0.069 R)
• M49: 15,652,276 km (0.105 R)
• M50: 15,830,297 km (0.07 R)
• M51: 16,098,676 km (0.114 R)
• M52: 16,248,573 km (0.093 R)
• M53: 16,458,907 km (0.113 R)
• M54: 16,670,289 km (0.114 R)
• M55: 18,393,357 km (0.052 R)
• M56: 19,530,750 km (0.087 R)
• M57: 20,690,732 km (0.025 R)
• M58: 21,608,365 km (0.115 R)
• M59: 21,674,487 km (0.105 R)
• M60: 22,138,690 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.6

Radius: 14.1

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.8 AU - 7.46 AU

Year: 6056 Days

Day: 10.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 102,633,246 km

• M1: 178,620 km (0.07 R)
• M2: 331,808 km (0.114 R)
• M3: 430,243 km (0.112 R)
• M4: 851,661 km (0.049 R)
• M5: 1,083,837 km (0.044 R)
• M6: 1,804,749 km (0.096 R)
• M7: 1,904,231 km (0.038 R)
• M8: 2,214,348 km (0.11 R)
• M9: 2,408,526 km (0.107 R)
• M10: 2,930,622 km (0.082 R)
• M11: 3,487,874 km (0.075 R)
• M12: 3,715,114 km (0.032 R)
• M13: 4,131,444 km (0.096 R)
• M14: 4,399,225 km (0.038 R)
• M15: 4,756,016 km (0.095 R)
• M16: 4,952,138 km (0.086 R)
• M17: 5,179,527 km (0.093 R)
• M18: 5,352,462 km (0.104 R)
• M19: 5,733,638 km (0.078 R)
• M20: 5,822,948 km (0.073 R)
• M21: 6,245,711 km (0.083 R)
• M22: 6,429,866 km (0.062 R)
• M23: 6,741,030 km (0.104 R)
• M24: 7,249,214 km (0.094 R)
• M25: 7,901,909 km (0.081 R)
• M26: 9,298,704 km (0.049 R)
• M27: 9,439,027 km (0.062 R)
• M28: 9,721,917 km (0.101 R)
• M29: 9,900,088 km (0.058 R)
• M30: 10,844,350 km (0.076 R)
• M31: 11,627,943 km (0.06 R)
• M32: 12,007,623 km (0.062 R)
• M33: 12,275,702 km (0.091 R)
• M34: 13,170,896 km (0.113 R)
• M35: 13,646,318 km (0.091 R)
• M36: 13,806,088 km (0.077 R)
• M37: 14,248,599 km (0.038 R)
• M38: 14,532,536 km (0.113 R)
• M39: 14,859,407 km (0.086 R)
• M40: 15,147,532 km (0.066 R)
• M41: 15,271,549 km (0.062 R)
• M42: 15,395,865 km (0.119 R)
• M43: 15,729,169 km (0.052 R)
• M44: 16,445,444 km (0.105 R)
• M45: 16,700,657 km (0.096 R)
• M46: 17,000,302 km (0.085 R)
• M47: 17,431,293 km (0.098 R)
• M48: 17,561,294 km (0.066 R)
• M49: 17,909,558 km (0.038 R)
• M50: 18,260,215 km (0.111 R)
• M51: 18,436,292 km (0.097 R)
• M52: 18,745,960 km (0.067 R)
• M53: 18,968,112 km (0.054 R)
• M54: 19,191,312 km (0.075 R)
• M55: 19,730,314 km (0.077 R)
• M56: 20,274,251 km (0.057 R)
• M57: 20,411,133 km (0.088 R)
• M58: 20,777,349 km (0.083 R)
• M59: 20,961,354 km (0.095 R)
• M60: 21,377,087 km (0.115 R)
• M61: 21,655,937 km (0.092 R)
• M62: 21,935,835 km (0.078 R)
• M63: 22,452,247 km (0.034 R)
• M64: 23,067,842 km (0.118 R)
• M65: 24,460,897 km (0.1 R)
• M66: 24,801,233 km (0.115 R)
• M67: 25,388,255 km (0.09 R)
• M68: 25,486,540 km (0.114 R)
• M69: 26,277,464 km (0.107 R)
• M70: 26,426,613 km (0.103 R)
• M71: 27,630,428 km (0.11 R)
• M72: 28,596,082 km (0.096 R)
• M73: 28,852,044 km (0.063 R)
• M74: 29,624,567 km (0.056 R)
• M75: 29,883,521 km (0.091 R)
• M76: 31,347,935 km (0.093 R)
• M77: 32,248,364 km (0.09 R)
• M78: 33,049,910 km (0.096 R)
• M79: 33,641,868 km (0.087 R)
• M80: 34,563,690 km (0.09 R)
• M81: 35,109,872 km (0.103 R)
• M82: 35,548,792 km (0.054 R)
• M83: 35,769,000 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.6

Radius: 9

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 7.14 AU - 10.18 AU

Year: 9041 Days

Day: 7.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 102,633,246 km

• M1: 126,111 km (0.095 R)
• M2: 608,265 km (0.086 R)
• M3: 953,387 km (0.097 R)
• M4: 1,418,188 km (0.103 R)
• M5: 1,515,726 km (0.072 R)
• M6: 1,632,412 km (0.042 R)
• M7: 1,821,952 km (0.081 R)
• M8: 1,982,471 km (0.095 R)
• M9: 2,092,126 km (0.079 R)
• M10: 2,279,572 km (0.046 R)
• M11: 2,433,359 km (0.102 R)
• M12: 2,570,839 km (0.059 R)
• M13: 3,189,277 km (0.096 R)
• M14: 3,671,132 km (0.069 R)
• M15: 3,738,600 km (0.112 R)
• M16: 3,829,257 km (0.056 R)
• M17: 4,036,001 km (0.111 R)
• M18: 4,388,753 km (0.108 R)
• M19: 4,532,516 km (0.093 R)
• M20: 5,454,039 km (0.086 R)
• M21: 6,108,829 km (0.09 R)
• M22: 6,269,796 km (0.035 R)
• M23: 6,350,729 km (0.079 R)
• M24: 6,486,414 km (0.07 R)
• M25: 7,693,071 km (0.118 R)
• M26: 9,334,608 km (0.095 R)
• M27: 9,800,605 km (0.063 R)
• M28: 9,926,118 km (0.064 R)
• M29: 10,369,825 km (0.072 R)
• M30: 10,917,204 km (0.117 R)
• M31: 11,507,068 km (0.089 R)
• M32: 11,739,394 km (0.096 R)
• M33: 12,581,331 km (0.105 R)
• M34: 12,957,868 km (0.025 R)
• M35: 13,026,833 km (0.037 R)
• M36: 14,251,890 km (0.098 R)
• M37: 15,917,213 km (0.105 R)
• M38: 16,065,016 km (0.029 R)
• M39: 16,287,319 km (0.103 R)
• M40: 16,473,568 km (0.101 R)
• M41: 16,622,867 km (0.09 R)
• M42: 16,735,364 km (0.113 R)
• M43: 17,911,054 km (0.049 R)
• M44: 18,334,715 km (0.06 R)
• M45: 18,995,938 km (0.078 R)
• M46: 19,783,870 km (0.064 R)
• M47: 21,188,145 km (0.101 R)
• M48: 22,417,241 km (0.087 R)
• M49: 23,501,227 km (0.074 R)
• M50: 23,585,301 km (0.092 R)
• M51: 23,669,375 km (0.075 R)
• M52: 23,753,748 km (0.102 R)
• M53: 25,503,445 km (0.081 R)
• M54: 26,415,693 km (0.109 R)
• M55: 27,117,905 km (0.118 R)
• M56: 28,004,273 km (0.12 R)
• M57: 28,450,972 km (0.044 R)
• M58: 28,540,581 km (0.117 R)
• M59: 28,630,340 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.1

Radius: 10.1

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 8.43 AU - 11.59 AU

Year: 11235 Days

Day: 12.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 102,633,246 km

• M1: 148,700 km (0.114 R)
• M2: 219,310 km (0.111 R)
• M3: 738,864 km (0.045 R)
• M4: 1,009,038 km (0.086 R)
• M5: 1,465,311 km (0.108 R)
• M6: 1,980,975 km (0.081 R)
• M7: 2,160,193 km (0.075 R)
• M8: 2,461,184 km (0.116 R)
• M9: 2,579,366 km (0.083 R)
• M10: 2,760,380 km (0.103 R)
• M11: 3,476,056 km (0.069 R)
• M12: 3,609,198 km (0.111 R)
• M13: 3,829,107 km (0.091 R)
• M14: 4,088,510 km (0.12 R)
• M15: 4,282,389 km (0.109 R)
• M16: 4,771,125 km (0.109 R)
• M17: 5,450,299 km (0.115 R)
• M18: 5,683,373 km (0.088 R)
• M19: 5,821,003 km (0.106 R)
• M20: 5,900,140 km (0.076 R)
• M21: 6,301,062 km (0.095 R)
• M22: 6,856,220 km (0.096 R)
• M23: 7,299,030 km (0.059 R)
• M24: 7,599,422 km (0.087 R)
• M25: 7,729,423 km (0.086 R)
• M26: 8,168,044 km (0.042 R)
• M27: 8,547,274 km (0.099 R)
• M28: 9,299,752 km (0.089 R)
• M29: 9,954,841 km (0.116 R)
• M30: 10,287,995 km (0.091 R)
• M31: 11,334,283 km (0.111 R)
• M32: 11,857,426 km (0.06 R)
• M33: 12,210,627 km (0.059 R)
• M34: 13,186,753 km (0.115 R)
• M35: 13,291,023 km (0.079 R)
• M36: 13,473,981 km (0.092 R)
• M37: 14,914,010 km (0.1 R)
• M38: 15,569,548 km (0.089 R)
• M39: 16,402,210 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.7

Radius: 14.1

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 8.91 AU - 13.57 AU

Year: 13369 Days

Day: 5.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 102,633,246 km

• M1: 198,217 km (0.061 R)
• M2: 401,521 km (0.111 R)
• M3: 733,329 km (0.068 R)
• M4: 1,080,845 km (0.109 R)
• M5: 1,427,762 km (0.032 R)
• M6: 1,669,662 km (0.104 R)
• M7: 1,781,711 km (0.075 R)
• M8: 2,225,268 km (0.117 R)
• M9: 2,736,444 km (0.115 R)
• M10: 3,498,496 km (0.085 R)
• M11: 3,828,808 km (0.054 R)
• M12: 3,979,004 km (0.061 R)
• M13: 4,799,399 km (0.074 R)
• M14: 5,375,351 km (0.075 R)
• M15: 6,547,600 km (0.098 R)
• M16: 6,728,015 km (0.108 R)
• M17: 7,325,509 km (0.09 R)
• M18: 7,607,201 km (0.055 R)
• M19: 9,728,200 km (0.114 R)
• M20: 11,799,682 km (0.109 R)
• M21: 12,519,696 km (0.111 R)
• M22: 13,655,294 km (0.119 R)
• M23: 15,359,961 km (0.058 R)
• M24: 15,600,365 km (0.066 R)
• M25: 16,024,026 km (0.107 R)
• M26: 16,759,150 km (0.089 R)
• M27: 16,882,868 km (0.093 R)
• M28: 18,645,131 km (0.092 R)
• M29: 18,965,868 km (0.071 R)
• M30: 20,201,696 km (0.065 R)
• M31: 20,597,383 km (0.097 R)
• M32: 20,929,191 km (0.109 R)
• M33: 21,396,535 km (0.114 R)
• M34: 21,799,851 km (0.056 R)
• M35: 22,545,895 km (0.085 R)
• M36: 23,784,715 km (0.045 R)
• M37: 24,132,680 km (0.106 R)
• M38: 26,471,942 km (0.09 R)
• M39: 26,760,366 km (0.049 R)
• M40: 27,194,948 km (0.072 R)
• M41: 27,778,081 km (0.079 R)
• M42: 27,997,840 km (0.057 R)
• M43: 29,179,663 km (0.039 R)
• M44: 29,552,311 km (0.068 R)
• M45: 29,776,559 km (0.057 R)
• M46: 31,439,040 km (0.053 R)
• M47: 32,127,938 km (0.082 R)
• M48: 32,744,281 km (0.044 R)
• M49: 33,053,949 km (0.116 R)
• M50: 33,364,664 km (0.093 R)
• M51: 33,910,696 km (0.103 R)
• M52: 34,774,623 km (0.117 R)
• M53: 34,932,449 km (0.068 R)
• M54: 35,248,998 km (0.093 R)
• M55: 35,645,881 km (0.107 R)
• M56: 35,964,525 km (0.083 R)
• M57: 36,684,839 km (0.117 R)
• M58: 38,139,678 km (0.087 R)
• M59: 39,284,251 km (0.056 R)
• M60: 40,606,248 km (0.05 R)
• M61: 40,938,953 km (0.095 R)
• M62: 41,690,982 km (0.101 R)
• M63: 42,700,767 km (0.026 R)
• M64: 43,293,624 km (0.052 R)
• M65: 43,889,023 km (0.09 R)
• M66: 44,230,555 km (0.061 R)
• M67: 44,487,265 km (0.085 R)
• M68: 45,260,387 km (0.093 R)
• M69: 46,558,897 km (0.05 R)
• M70: 46,732,879 km (0.046 R)
• M71: 48,221,078 km (0.051 R)
• M72: 48,749,907 km (0.057 R)
• M73: 49,458,253 km (0.114 R)
• M74: 49,813,548 km (0.104 R)
• M75: 50,616,440 km (0.075 R)
• M76: 53,687,534 km (0.095 R)
• M77: 53,870,044 km (0.114 R)
• M78: 54,694,029 km (0.117 R)
• M79: 55,153,593 km (0.104 R)
• M80: 55,429,901 km (0.104 R)
• M81: 56,447,166 km (0.07 R)
• M82: 59,913,798 km (0.039 R)
• M83: 60,672,259 km (0.088 R)
• M84: 61,052,836 km (0.106 R)
• M85: 64,512,735 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 863.3

Radius: 4.3

Gravity: 46.69 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 13.97 AU - 22.75 AU

Year: 27909 Days

Day: 15.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 102,633,246 km

• M1: 188,344 km (0.084 R)
• M2: 1,200,373 km (0.081 R)
• M3: 1,561,054 km (0.066 R)
• M4: 1,675,496 km (0.04 R)
• M5: 2,777,135 km (0.086 R)
• M6: 3,949,982 km (0.081 R)
• M7: 5,255,074 km (0.064 R)
• M8: 5,484,557 km (0.076 R)
• M9: 5,600,645 km (0.108 R)
• M10: 5,834,915 km (0.118 R)
• M11: 6,557,174 km (0.075 R)
• M12: 6,618,509 km (0.092 R)
• M13: 6,742,077 km (0.091 R)
• M14: 7,627,547 km (0.052 R)
• M15: 9,505,150 km (0.086 R)
• M16: 10,566,546 km (0.076 R)
• M17: 11,294,789 km (0.058 R)
• M18: 13,496,271 km (0.078 R)
• M19: 13,888,966 km (0.109 R)
• M20: 15,578,673 km (0.1 R)
• M21: 16,573,051 km (0.119 R)
• M22: 16,740,750 km (0.059 R)
• M23: 17,247,288 km (0.061 R)
• M24: 17,844,483 km (0.118 R)
• M25: 18,971,703 km (0.108 R)
• M26: 20,750,122 km (0.105 R)
• M27: 20,930,836 km (0.118 R)
• M28: 21,750,633 km (0.079 R)
• M29: 21,934,339 km (0.068 R)
• M30: 27,279,621 km (0.115 R)
• M31: 27,875,170 km (0.063 R)
• M32: 28,675,668 km (0.094 R)
• M33: 28,877,027 km (0.102 R)
• M34: 29,078,834 km (0.119 R)
• M35: 29,281,090 km (0.106 R)
• M36: 29,890,702 km (0.064 R)
• M37: 30,197,078 km (0.101 R)
• M38: 30,299,403 km (0.114 R)
• M39: 30,710,049 km (0.119 R)
• M40: 31,952,759 km (0.108 R)
• M41: 33,211,774 km (0.114 R)
• M42: 35,778,276 km (0.057 R)
• M43: 36,103,501 km (0.073 R)
• M44: 37,085,163 km (0.105 R)
• M45: 37,414,278 km (0.063 R)
• M46: 38,851,913 km (0.04 R)
• M47: 39,074,665 km (0.063 R)
• M48: 39,857,660 km (0.076 R)
• M49: 42,352,055 km (0.063 R)
• M50: 43,618,102 km (0.114 R)
• M51: 45,951,679 km (0.076 R)
• M52: 46,305,179 km (0.115 R)
• M53: 47,609,074 km (0.113 R)
• M54: 48,445,176 km (0.105 R)
• M55: 48,684,981 km (0.107 R)
• M56: 50,617,188 km (0.099 R)
• M57: 51,104,129 km (0.072 R)
• M58: 51,837,457 km (0.087 R)
• M59: 51,959,978 km (0.064 R)
• M60: 53,438,304 km (0.119 R)
• M61: 55,180,371 km (0.101 R)
• M62: 55,556,161 km (0.114 R)
• M63: 55,681,524 km (0.111 R)
• M64: 56,058,361 km (0.111 R)
• M65: 56,184,173 km (0.057 R)
• M66: 56,562,207 km (0.049 R)
• M67: 58,337,335 km (0.064 R)
• M68: 58,847,763 km (0.111 R)
• M69: 59,359,837 km (0.07 R)
• M70: 59,616,397 km (0.086 R)
• M71: 62,071,897 km (0.051 R)
• M72: 62,984,892 km (0.115 R)
• M73: 63,771,029 km (0.098 R)
• M74: 64,692,253 km (0.118 R)
• M75: 64,824,198 km (0.095 R)
• M76: 65,352,877 km (0.066 R)
• M77: 66,547,715 km (0.109 R)
• M78: 68,689,807 km (0.103 R)
• M79: 68,959,083 km (0.096 R)
• M80: 70,310,999 km (0.085 R)
• M81: 72,766,499 km (0.072 R)
• M82: 77,200,580 km (0.12 R)
• M83: 79,874,492 km (0.051 R)
• M84: 80,157,681 km (0.089 R)
• M85: 82,292,442 km (0.064 R)
• M86: 82,721,639 km (0.104 R)
• M87: 83,151,583 km (0.059 R)
• M88: 86,036,877 km (0.088 R)
• M89: 87,054,442 km (0.111 R)
• M90: 87,345,858 km (0.101 R)
• M91: 88,514,966 km (0.115 R)
• M92: 89,395,200 km (0.091 R)
• M93: 92,796,008 km (0.109 R)
• M94: 94,138,350 km (0.103 R)
• M95: 100,486,685 km (0.079 R)
• M96: 102,172,055 km (0.088 R)

Kuiper Belt

Range: 30.9 - 52.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 16,382 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit