🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.57 AU - 0.71 AU

Year: 336 Days

Day: 25.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 2.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,129,078 km

• M1: 37,100 km (0.064 R)

Asteroid Belt

Center: 1.1 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.2

Radius: 13.3

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.48 AU - 1.64 AU

Year: 1278 Days

Day: 9.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 44,129,078 km

• M1: 276,008 km (0.092 R)
• M2: 431,739 km (0.065 R)
• M3: 527,482 km (0.061 R)
• M4: 627,114 km (0.118 R)
• M5: 722,857 km (0.056 R)
• M6: 806,033 km (0.075 R)
• M7: 983,756 km (0.067 R)
• M8: 1,077,853 km (0.045 R)
• M9: 1,283,400 km (0.104 R)
• M10: 1,448,257 km (0.113 R)
• M11: 1,742,217 km (0.115 R)
• M12: 1,850,077 km (0.045 R)
• M13: 1,960,480 km (0.055 R)
• M14: 2,046,798 km (0.045 R)
• M15: 2,134,612 km (0.098 R)
• M16: 2,295,879 km (0.096 R)
• M17: 2,480,034 km (0.099 R)
• M18: 2,669,275 km (0.066 R)
• M19: 2,765,616 km (0.116 R)
• M20: 2,892,774 km (0.078 R)
• M21: 3,348,150 km (0.099 R)
• M22: 3,452,569 km (0.063 R)
• M23: 3,568,657 km (0.059 R)
• M24: 3,979,752 km (0.075 R)
• M25: 4,123,965 km (0.085 R)
• M26: 4,349,259 km (0.075 R)
• M27: 4,812,264 km (0.089 R)
• M28: 5,109,665 km (0.03 R)
• M29: 5,230,390 km (0.078 R)
• M30: 5,315,362 km (0.076 R)
• M31: 5,437,733 km (0.091 R)
• M32: 5,561,002 km (0.099 R)
• M33: 5,647,918 km (0.114 R)
• M34: 5,949,208 km (0.077 R)
• M35: 6,038,069 km (0.094 R)
• M36: 6,281,465 km (0.099 R)
• M37: 6,437,047 km (0.113 R)
• M38: 6,541,466 km (0.104 R)
• M39: 6,712,307 km (0.055 R)
• M40: 6,911,272 km (0.103 R)
• M41: 7,166,187 km (0.107 R)
• M42: 7,396,867 km (0.108 R)
• M43: 7,506,223 km (0.116 R)
• M44: 7,740,643 km (0.111 R)
• M45: 7,935,419 km (0.034 R)
• M46: 8,131,841 km (0.067 R)
• M47: 8,329,909 km (0.11 R)
• M48: 8,774,364 km (0.119 R)
• M49: 8,861,280 km (0.115 R)
• M50: 9,270,730 km (0.105 R)
• M51: 9,448,003 km (0.096 R)
• M52: 9,537,163 km (0.051 R)
• M53: 9,656,393 km (0.088 R)
• M54: 9,941,676 km (0.117 R)
• M55: 10,123,288 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907

Radius: 8

Gravity: 14.17 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.96 AU - 2.14 AU

Year: 1925 Days

Day: 12.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 44,129,078 km

• M1: 160,369 km (0.075 R)
• M2: 218,712 km (0.082 R)
• M3: 324,627 km (0.113 R)
• M4: 415,732 km (0.079 R)
• M5: 643,121 km (0.097 R)
• M6: 736,171 km (0.118 R)
• M7: 797,955 km (0.115 R)
• M8: 908,059 km (0.115 R)
• M9: 1,143,825 km (0.101 R)
• M10: 1,237,324 km (0.098 R)
• M11: 1,301,202 km (0.12 R)
• M12: 1,366,128 km (0.059 R)
• M13: 1,465,610 km (0.066 R)
• M14: 1,522,009 km (0.118 R)
• M15: 1,924,876 km (0.096 R)
• M16: 2,049,640 km (0.11 R)
• M17: 2,399,699 km (0.087 R)
• M18: 3,170,128 km (0.105 R)
• M19: 3,258,541 km (0.118 R)
• M20: 3,392,730 km (0.107 R)
• M21: 3,468,127 km (0.101 R)
• M22: 3,559,233 km (0.091 R)
• M23: 4,027,175 km (0.071 R)
• M24: 4,107,060 km (0.033 R)
• M25: 4,203,551 km (0.054 R)
• M26: 4,382,619 km (0.071 R)
• M27: 4,580,836 km (0.043 R)
• M28: 4,680,917 km (0.063 R)
• M29: 4,798,800 km (0.085 R)
• M30: 4,951,690 km (0.115 R)
• M31: 5,123,577 km (0.101 R)
• M32: 6,066,942 km (0.099 R)
• M33: 6,177,195 km (0.087 R)
• M34: 6,624,493 km (0.087 R)
• M35: 7,101,561 km (0.098 R)
• M36: 7,412,724 km (0.062 R)
• M37: 8,189,885 km (0.052 R)
• M38: 8,619,081 km (0.099 R)
• M39: 9,013,721 km (0.108 R)
• M40: 9,691,548 km (0.091 R)
• M41: 9,950,054 km (0.076 R)
• M42: 10,058,362 km (0.098 R)
• M43: 10,167,120 km (0.117 R)
• M44: 10,232,644 km (0.111 R)
• M45: 10,429,814 km (0.048 R)
• M46: 10,672,462 km (0.053 R)
• M47: 10,850,184 km (0.078 R)
• M48: 10,961,784 km (0.111 R)
• M49: 11,051,244 km (0.086 R)
• M50: 11,298,828 km (0.069 R)
• M51: 11,457,252 km (0.072 R)
• M52: 11,753,306 km (0.089 R)
• M53: 11,845,010 km (0.116 R)
• M54: 11,913,825 km (0.114 R)
• M55: 12,121,317 km (0.085 R)
• M56: 12,260,293 km (0.093 R)
• M57: 12,657,027 km (0.05 R)
• M58: 13,057,949 km (0.111 R)
• M59: 13,558,803 km (0.076 R)
• M60: 13,654,994 km (0.077 R)
• M61: 13,823,741 km (0.088 R)
• M62: 13,993,235 km (0.106 R)
• M63: 14,358,703 km (0.115 R)
• M64: 14,702,778 km (0.048 R)
• M65: 15,074,379 km (0.113 R)
• M66: 15,248,810 km (0.097 R)
• M67: 15,826,707 km (0.039 R)
• M68: 15,877,271 km (0.062 R)
• M69: 16,771,567 km (0.113 R)
• M70: 17,133,743 km (0.09 R)
• M71: 17,211,684 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.3

Radius: 11

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.4 AU - 3.18 AU

Year: 3057 Days

Day: 11.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 44,129,078 km

• M1: 157,826 km (0.086 R)
• M2: 299,196 km (0.079 R)
• M3: 431,739 km (0.108 R)
• M4: 564,433 km (0.11 R)
• M5: 645,066 km (0.056 R)
• M6: 801,246 km (0.077 R)
• M7: 980,764 km (0.093 R)
• M8: 1,132,157 km (0.095 R)
• M9: 1,470,248 km (0.062 R)
• M10: 1,645,277 km (0.075 R)
• M11: 1,741,618 km (0.107 R)
• M12: 1,852,171 km (0.081 R)
• M13: 2,080,757 km (0.092 R)
• M14: 2,305,154 km (0.117 R)
• M15: 2,427,225 km (0.097 R)
• M16: 2,523,716 km (0.074 R)
• M17: 2,749,160 km (0.107 R)
• M18: 2,966,675 km (0.045 R)
• M19: 3,542,777 km (0.101 R)
• M20: 3,652,731 km (0.064 R)
• M21: 3,779,740 km (0.075 R)
• M22: 3,924,551 km (0.092 R)
• M23: 4,022,088 km (0.066 R)
• M24: 4,269,523 km (0.091 R)
• M25: 4,420,318 km (0.083 R)
• M26: 4,556,003 km (0.077 R)
• M27: 4,971,137 km (0.078 R)
• M28: 5,059,250 km (0.075 R)
• M29: 5,236,973 km (0.098 R)
• M30: 5,471,093 km (0.086 R)
• M31: 6,080,854 km (0.102 R)
• M32: 6,250,947 km (0.079 R)
• M33: 6,538,025 km (0.111 R)
• M34: 6,731,755 km (0.03 R)
• M35: 6,809,845 km (0.116 R)
• M36: 7,026,014 km (0.064 R)
• M37: 7,105,151 km (0.111 R)
• M38: 7,872,289 km (0.101 R)
• M39: 8,496,561 km (0.109 R)
• M40: 8,665,756 km (0.117 R)
• M41: 8,771,970 km (0.048 R)
• M42: 8,878,783 km (0.077 R)
• M43: 9,594,011 km (0.067 R)
• M44: 9,770,237 km (0.062 R)
• M45: 9,880,939 km (0.114 R)
• M46: 10,485,913 km (0.071 R)
• M47: 10,622,047 km (0.027 R)
• M48: 11,102,855 km (0.088 R)
• M49: 11,264,720 km (0.089 R)
• M50: 11,404,145 km (0.076 R)
• M51: 11,778,738 km (0.105 R)
• M52: 12,181,007 km (0.113 R)
• M53: 12,781,044 km (0.078 R)
• M54: 13,488,941 km (0.101 R)
• M55: 13,885,076 km (0.06 R)
• M56: 13,984,708 km (0.109 R)
• M57: 14,436,045 km (0.088 R)
• M58: 14,790,293 km (0.117 R)
• M59: 14,968,464 km (0.068 R)
• M60: 15,070,639 km (0.048 R)
• M61: 15,507,465 km (0.073 R)
• M62: 15,585,106 km (0.101 R)
• M63: 15,948,479 km (0.093 R)
• M64: 16,157,468 km (0.067 R)
• M65: 16,262,336 km (0.084 R)
• M66: 16,446,341 km (0.055 R)
• M67: 16,842,925 km (0.116 R)
• M68: 17,510,880 km (0.074 R)
• M69: 17,753,527 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.6

Radius: 14.1

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.55 AU - 3.69 AU

Year: 3615 Days

Day: 14.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 44,129,078 km

• M1: 177,423 km (0.12 R)
• M2: 291,865 km (0.078 R)
• M3: 455,226 km (0.104 R)
• M4: 548,575 km (0.117 R)
• M5: 910,453 km (0.08 R)
• M6: 1,083,687 km (0.113 R)
• M7: 1,230,891 km (0.114 R)
• M8: 1,398,441 km (0.045 R)
• M9: 1,643,482 km (0.096 R)
• M10: 1,785,899 km (0.031 R)
• M11: 2,129,974 km (0.054 R)
• M12: 2,286,304 km (0.078 R)
• M13: 3,054,938 km (0.111 R)
• M14: 3,143,051 km (0.116 R)
• M15: 3,232,212 km (0.114 R)
• M16: 3,376,574 km (0.105 R)
• M17: 3,899,268 km (0.103 R)
• M18: 4,367,659 km (0.079 R)
• M19: 4,487,637 km (0.093 R)
• M20: 4,608,662 km (0.059 R)
• M21: 4,957,823 km (0.118 R)
• M22: 5,062,093 km (0.102 R)
• M23: 5,379,539 km (0.063 R)
• M24: 5,901,187 km (0.119 R)
• M25: 6,190,659 km (0.097 R)
• M26: 6,393,813 km (0.086 R)
• M27: 6,899,753 km (0.103 R)
• M28: 7,039,926 km (0.085 R)
• M29: 7,394,772 km (0.075 R)
• M30: 7,562,322 km (0.044 R)
• M31: 7,877,076 km (0.052 R)
• M32: 7,974,763 km (0.057 R)
• M33: 9,229,889 km (0.115 R)
• M34: 9,333,112 km (0.115 R)
• M35: 10,065,394 km (0.115 R)
• M36: 10,465,418 km (0.028 R)
• M37: 10,735,143 km (0.115 R)
• M38: 10,925,132 km (0.11 R)
• M39: 11,034,339 km (0.109 R)
• M40: 11,668,933 km (0.082 R)
• M41: 12,004,780 km (0.092 R)
• M42: 12,145,702 km (0.04 R)
• M43: 12,315,495 km (0.102 R)
• M44: 12,858,386 km (0.115 R)
• M45: 13,409,056 km (0.094 R)
• M46: 14,115,756 km (0.092 R)
• M47: 14,623,790 km (0.045 R)
• M48: 14,955,748 km (0.061 R)
• M49: 15,198,695 km (0.101 R)
• M50: 15,596,326 km (0.069 R)
• M51: 16,121,415 km (0.106 R)
• M52: 16,778,299 km (0.046 R)
• M53: 17,189,244 km (0.081 R)
• M54: 17,411,846 km (0.094 R)
• M55: 17,539,602 km (0.116 R)
• M56: 18,409,514 km (0.12 R)
• M57: 18,964,522 km (0.11 R)
• M58: 19,161,692 km (0.084 R)
• M59: 19,757,540 km (0.065 R)
• M60: 19,890,682 km (0.106 R)
• M61: 21,307,374 km (0.039 R)
• M62: 21,444,107 km (0.075 R)
• M63: 22,408,714 km (0.049 R)
• M64: 22,686,816 km (0.094 R)
• M65: 23,001,271 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.2

Radius: 11.7

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.62 AU - 3.82 AU

Year: 3790 Days

Day: 7.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 44,129,078 km

• M1: 163,361 km (0.082 R)
• M2: 238,609 km (0.075 R)
• M3: 765,941 km (0.025 R)
• M4: 878,588 km (0.055 R)
• M5: 1,083,837 km (0.115 R)
• M6: 1,212,341 km (0.116 R)
• M7: 1,428,959 km (0.104 R)
• M8: 1,643,781 km (0.08 R)
• M9: 1,808,189 km (0.103 R)
• M10: 2,384,740 km (0.086 R)
• M11: 2,469,262 km (0.073 R)
• M12: 2,781,922 km (0.107 R)
• M13: 2,961,140 km (0.098 R)
• M14: 3,070,646 km (0.031 R)
• M15: 3,237,448 km (0.104 R)
• M16: 3,815,045 km (0.084 R)
• M17: 3,894,631 km (0.099 R)
• M18: 4,075,495 km (0.057 R)
• M19: 4,341,779 km (0.111 R)
• M20: 4,529,524 km (0.101 R)
• M21: 4,869,859 km (0.096 R)
• M22: 5,284,994 km (0.032 R)
• M23: 5,598,252 km (0.052 R)
• M24: 5,711,647 km (0.108 R)
• M25: 5,825,640 km (0.119 R)
• M26: 6,289,842 km (0.066 R)
• M27: 6,502,720 km (0.107 R)
• M28: 6,693,906 km (0.053 R)
• M29: 6,911,272 km (0.094 R)
• M30: 7,155,416 km (0.038 R)
• M31: 7,303,368 km (0.059 R)
• M32: 7,402,551 km (0.109 R)
• M33: 7,602,265 km (0.08 R)
• M34: 7,803,773 km (0.09 R)
• M35: 7,905,200 km (0.118 R)
• M36: 8,367,159 km (0.063 R)
• M37: 8,601,429 km (0.089 R)
• M38: 9,049,923 km (0.073 R)
• M39: 9,668,810 km (0.115 R)
• M40: 9,750,640 km (0.098 R)
• M41: 10,162,782 km (0.034 R)
• M42: 10,301,459 km (0.095 R)
• M43: 11,722,639 km (0.085 R)
• M44: 12,160,961 km (0.09 R)
• M45: 13,023,691 km (0.064 R)
• M46: 13,508,089 km (0.05 R)
• M47: 14,060,105 km (0.039 R)
• M48: 14,432,155 km (0.103 R)
• M49: 14,839,062 km (0.045 R)
• M50: 15,376,716 km (0.084 R)
• M51: 15,568,052 km (0.118 R)
• M52: 16,179,159 km (0.105 R)
• M53: 16,863,719 km (0.106 R)
• M54: 17,226,045 km (0.059 R)
• M55: 17,325,378 km (0.097 R)
• M56: 17,424,861 km (0.094 R)
• M57: 17,591,064 km (0.091 R)
• M58: 17,757,716 km (0.103 R)
• M59: 18,227,453 km (0.103 R)
• M60: 18,905,431 km (0.061 R)
• M61: 19,213,303 km (0.098 R)
• M62: 19,937,955 km (0.097 R)
• M63: 20,111,788 km (0.107 R)
• M64: 20,566,266 km (0.057 R)
• M65: 21,627,813 km (0.117 R)
• M66: 21,770,679 km (0.1 R)
• M67: 22,743,514 km (0.108 R)
• M68: 23,914,716 km (0.089 R)
• M69: 24,507,722 km (0.11 R)
• M70: 24,582,221 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 434

Radius: 4

Gravity: 27.13 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.97 AU - 8.21 AU

Year: 11098 Days

Day: 20.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 44,129,078 km

• M1: 56,997 km (0.08 R)
• M2: 115,041 km (0.057 R)
• M3: 302,038 km (0.096 R)
• M4: 350,807 km (0.068 R)
• M5: 587,620 km (0.116 R)
• M6: 633,846 km (0.095 R)
• M7: 780,153 km (0.105 R)
• M8: 814,261 km (0.101 R)
• M9: 883,675 km (0.04 R)
• M10: 937,081 km (0.097 R)
• M11: 1,279,810 km (0.112 R)
• M12: 1,882,091 km (0.119 R)
• M13: 2,139,698 km (0.113 R)
• M14: 2,610,483 km (0.054 R)
• M15: 2,713,705 km (0.114 R)
• M16: 2,897,262 km (0.115 R)
• M17: 3,359,968 km (0.025 R)
• M18: 3,528,864 km (0.079 R)
• M19: 4,322,032 km (0.066 R)
• M20: 4,382,918 km (0.108 R)
• M21: 4,722,805 km (0.075 R)
• M22: 4,880,182 km (0.078 R)
• M23: 5,395,247 km (0.035 R)
• M24: 5,559,655 km (0.096 R)
• M25: 6,199,635 km (0.097 R)
• M26: 6,510,799 km (0.058 R)
• M27: 6,897,958 km (0.097 R)
• M28: 7,401,654 km (0.093 R)
• M29: 7,474,508 km (0.114 R)
• M30: 7,879,769 km (0.104 R)
• M31: 8,749,979 km (0.034 R)
• M32: 8,865,768 km (0.106 R)
• M33: 9,176,932 km (0.08 R)
• M34: 10,992,601 km (0.083 R)
• M35: 11,791,603 km (0.105 R)
• M36: 12,305,771 km (0.099 R)
• M37: 13,046,729 km (0.082 R)
• M38: 13,533,820 km (0.065 R)
• M39: 13,981,716 km (0.08 R)
• M40: 14,754,389 km (0.118 R)
• M41: 15,215,300 km (0.116 R)
• M42: 15,634,174 km (0.063 R)
• M43: 15,680,849 km (0.066 R)
• M44: 16,293,302 km (0.103 R)
• M45: 16,673,879 km (0.093 R)
• M46: 17,153,939 km (0.114 R)
• M47: 17,202,110 km (0.118 R)
• M48: 17,541,248 km (0.114 R)
• M49: 19,520,278 km (0.049 R)
• M50: 19,570,543 km (0.114 R)
• M51: 20,382,560 km (0.078 R)
• M52: 20,484,736 km (0.087 R)
• M53: 21,516,662 km (0.07 R)
• M54: 21,777,411 km (0.095 R)
• M55: 22,459,876 km (0.088 R)
• M56: 22,512,684 km (0.041 R)
• M57: 22,565,492 km (0.083 R)
• M58: 22,618,300 km (0.111 R)
• M59: 23,042,859 km (0.08 R)
• M60: 23,362,999 km (0.071 R)
• M61: 23,684,484 km (0.045 R)
• M62: 26,811,379 km (0.079 R)
• M63: 27,148,124 km (0.115 R)
• M64: 27,542,614 km (0.106 R)
• M65: 28,394,274 km (0.109 R)
• M66: 28,622,860 km (0.098 R)
• M67: 28,737,452 km (0.087 R)
• M68: 29,832,957 km (0.032 R)
• M69: 30,824,641 km (0.114 R)
• M70: 31,000,868 km (0.099 R)
• M71: 31,827,246 km (0.097 R)
• M72: 32,600,966 km (0.079 R)
• M73: 33,985,195 km (0.087 R)
• M74: 34,227,843 km (0.074 R)
• M75: 34,898,191 km (0.098 R)
• M76: 36,251,902 km (0.097 R)
• M77: 36,313,836 km (0.116 R)
• M78: 37,184,645 km (0.07 R)
• M79: 37,247,177 km (0.067 R)
• M80: 37,622,668 km (0.07 R)
• M81: 37,748,031 km (0.065 R)
• M82: 38,188,297 km (0.106 R)
• M83: 40,157,903 km (0.096 R)
• M84: 40,222,080 km (0.103 R)
• M85: 40,286,108 km (0.097 R)
• M86: 41,058,332 km (0.072 R)
• M87: 41,316,688 km (0.086 R)
• M88: 41,511,016 km (0.093 R)
• M89: 43,403,728 km (0.087 R)
• M90: 43,535,374 km (0.078 R)
• M91: 43,667,020 km (0.119 R)
• M92: 43,996,883 km (0.096 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 416 - 10,776 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit