🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.4 AU - 0.64 AU

Year: 133 Days

Day: 15.5 Hours

Environment

Temp: 193 °C

Axial Tilt: 42.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 101,664,490 km

• M1: 34,856 km (0.081 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.41 AU - 0.65 AU

Year: 137 Days

Day: 43.3 Hours

Environment

Temp: 245 °C

Axial Tilt: 28.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 101,664,490 km

• M1: 360,082 km (0.089 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.89 AU - 1.05 AU

Year: 339 Days

Day: 32.9 Hours

Environment

Temp: 97 °C

Axial Tilt: 12.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.25 AU - 3.85 AU

Year: 2373 Days

Day: 15 Hours

Environment

Temp: -99 °C

Axial Tilt: 6.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 4.77 AU - 5.33 AU

Year: 4026 Days

Day: 41.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 29.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 101,664,490 km

• M1: 2,639,654 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205

Radius: 12.1

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 5.34 AU - 5.5 AU

Year: 4476 Days

Day: 10.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 101,664,490 km

• M1: 152,141 km (0.116 R)
• M2: 257,009 km (0.074 R)
• M3: 334,052 km (0.103 R)
• M4: 480,508 km (0.066 R)
• M5: 838,795 km (0.066 R)
• M6: 1,002,755 km (0.098 R)
• M7: 1,242,560 km (0.117 R)
• M8: 1,571,825 km (0.102 R)
• M9: 1,716,336 km (0.039 R)
• M10: 1,852,770 km (0.101 R)
• M11: 1,941,481 km (0.098 R)
• M12: 2,031,838 km (0.105 R)
• M13: 2,110,377 km (0.115 R)
• M14: 2,435,154 km (0.119 R)
• M15: 2,646,386 km (0.115 R)
• M16: 3,102,211 km (0.114 R)
• M17: 3,178,057 km (0.091 R)
• M18: 3,316,286 km (0.108 R)
• M19: 3,456,608 km (0.113 R)
• M20: 3,630,740 km (0.113 R)
• M21: 4,339,236 km (0.093 R)
• M22: 4,561,837 km (0.12 R)
• M23: 5,018,709 km (0.071 R)
• M24: 5,180,275 km (0.065 R)
• M25: 5,453,441 km (0.11 R)
• M26: 5,582,544 km (0.096 R)
• M27: 5,675,294 km (0.063 R)
• M28: 6,262,616 km (0.08 R)
• M29: 6,495,240 km (0.079 R)
• M30: 6,710,960 km (0.118 R)
• M31: 7,008,959 km (0.12 R)
• M32: 7,535,843 km (0.111 R)
• M33: 7,762,634 km (0.046 R)
• M34: 8,012,612 km (0.08 R)
• M35: 8,371,497 km (0.104 R)
• M36: 8,584,973 km (0.063 R)
• M37: 8,952,086 km (0.101 R)
• M38: 9,368,567 km (0.1 R)
• M39: 9,881,239 km (0.101 R)
• M40: 10,197,788 km (0.09 R)
• M41: 10,426,074 km (0.106 R)
• M42: 10,517,777 km (0.12 R)
• M43: 10,910,622 km (0.087 R)
• M44: 11,003,821 km (0.079 R)
• M45: 11,473,708 km (0.099 R)
• M46: 11,615,826 km (0.102 R)
• M47: 11,973,963 km (0.12 R)
• M48: 12,142,410 km (0.104 R)
• M49: 12,384,310 km (0.084 R)
• M50: 13,045,533 km (0.072 R)
• M51: 13,392,899 km (0.091 R)
• M52: 13,643,027 km (0.092 R)
• M53: 13,869,368 km (0.088 R)
• M54: 14,223,915 km (0.093 R)
• M55: 14,325,791 km (0.118 R)
• M56: 14,427,817 km (0.065 R)
• M57: 14,684,078 km (0.109 R)
• M58: 15,488,316 km (0.053 R)
• M59: 15,619,364 km (0.081 R)
• M60: 15,829,848 km (0.075 R)
• M61: 15,961,943 km (0.053 R)
• M62: 16,147,295 km (0.072 R)
• M63: 16,493,614 km (0.12 R)
• M64: 16,707,988 km (0.095 R)
• M65: 16,815,399 km (0.097 R)
• M66: 16,896,182 km (0.078 R)
• M67: 17,329,268 km (0.116 R)
• M68: 17,683,964 km (0.087 R)
• M69: 18,261,711 km (0.07 R)
• M70: 18,734,141 km (0.042 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.4

Radius: 8.6

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.96 AU - 6.12 AU

Year: 4626 Days

Day: 13.6 Hours

Environment

Temp: -129 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 101,664,490 km

• M1: 113,545 km (0.096 R)
• M2: 313,408 km (0.107 R)
• M3: 443,558 km (0.065 R)
• M4: 502,499 km (0.077 R)
• M5: 653,593 km (0.098 R)
• M6: 860,637 km (0.09 R)
• M7: 972,237 km (0.073 R)
• M8: 1,126,322 km (0.07 R)
• M9: 1,187,059 km (0.11 R)
• M10: 1,360,293 km (0.11 R)
• M11: 1,567,337 km (0.116 R)
• M12: 1,874,461 km (0.113 R)
• M13: 1,956,441 km (0.072 R)
• M14: 2,162,288 km (0.099 R)
• M15: 2,394,763 km (0.106 R)
• M16: 2,968,620 km (0.091 R)
• M17: 3,097,125 km (0.081 R)
• M18: 3,183,742 km (0.06 R)
• M19: 3,459,900 km (0.047 R)
• M20: 3,847,807 km (0.101 R)
• M21: 3,929,487 km (0.109 R)
• M22: 4,309,915 km (0.081 R)
• M23: 4,443,506 km (0.087 R)
• M24: 5,067,777 km (0.045 R)
• M25: 5,183,117 km (0.084 R)
• M26: 5,692,947 km (0.108 R)
• M27: 5,839,702 km (0.055 R)
• M28: 6,356,114 km (0.111 R)
• M29: 6,438,992 km (0.09 R)
• M30: 6,494,492 km (0.078 R)
• M31: 6,549,993 km (0.069 R)
• M32: 6,689,867 km (0.077 R)
• M33: 6,745,966 km (0.1 R)
• M34: 7,015,093 km (0.071 R)
• M35: 7,072,090 km (0.096 R)
• M36: 7,287,660 km (0.089 R)
• M37: 7,446,982 km (0.089 R)
• M38: 8,397,228 km (0.119 R)
• M39: 8,933,087 km (0.068 R)
• M40: 9,166,011 km (0.059 R)
• M41: 9,275,517 km (0.109 R)
• M42: 9,527,140 km (0.088 R)
• M43: 9,893,057 km (0.063 R)
• M44: 10,037,568 km (0.095 R)
• M45: 10,393,462 km (0.115 R)
• M46: 10,589,435 km (0.114 R)
• M47: 10,687,870 km (0.1 R)
• M48: 11,101,209 km (0.086 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.8

Radius: 10.6

Gravity: 7.97 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 8.67 AU - 14.15 AU

Year: 13673 Days

Day: 11.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 101,664,490 km

• M1: 186,848 km (0.051 R)
• M2: 500,704 km (0.119 R)
• M3: 590,463 km (0.071 R)
• M4: 767,587 km (0.106 R)
• M5: 1,274,574 km (0.052 R)
• M6: 1,589,926 km (0.064 R)
• M7: 1,700,629 km (0.117 R)
• M8: 2,139,100 km (0.052 R)
• M9: 2,324,302 km (0.087 R)
• M10: 2,777,135 km (0.06 R)
• M11: 3,399,612 km (0.041 R)
• M12: 3,653,180 km (0.076 R)
• M13: 3,950,581 km (0.071 R)
• M14: 4,179,017 km (0.081 R)
• M15: 5,426,663 km (0.083 R)
• M16: 6,736,093 km (0.101 R)
• M17: 7,239,939 km (0.11 R)
• M18: 7,803,474 km (0.102 R)
• M19: 8,090,552 km (0.118 R)
• M20: 8,773,915 km (0.061 R)
• M21: 8,922,765 km (0.086 R)
• M22: 9,223,008 km (0.081 R)
• M23: 9,374,251 km (0.057 R)
• M24: 9,782,055 km (0.081 R)
• M25: 10,720,632 km (0.095 R)
• M26: 11,146,986 km (0.114 R)
• M27: 11,254,397 km (0.116 R)
• M28: 12,016,299 km (0.106 R)
• M29: 12,682,608 km (0.108 R)
• M30: 13,020,400 km (0.105 R)
• M31: 13,247,041 km (0.079 R)
• M32: 13,647,066 km (0.112 R)
• M33: 14,051,130 km (0.109 R)
• M34: 14,167,218 km (0.095 R)
• M35: 14,693,952 km (0.087 R)
• M36: 15,108,039 km (0.11 R)
• M37: 15,406,187 km (0.119 R)
• M38: 16,434,224 km (0.049 R)
• M39: 16,679,415 km (0.119 R)
• M40: 16,925,802 km (0.104 R)
• M41: 17,609,465 km (0.117 R)
• M42: 17,734,828 km (0.064 R)
• M43: 19,844,606 km (0.092 R)
• M44: 20,236,702 km (0.096 R)
• M45: 21,227,938 km (0.097 R)
• M46: 22,032,475 km (0.12 R)
• M47: 22,778,669 km (0.091 R)
• M48: 23,257,831 km (0.073 R)
• M49: 23,326,497 km (0.076 R)
• M50: 23,533,091 km (0.076 R)
• M51: 23,948,076 km (0.096 R)
• M52: 24,785,375 km (0.067 R)
• M53: 25,490,430 km (0.066 R)
• M54: 27,136,904 km (0.116 R)
• M55: 27,717,643 km (0.063 R)
• M56: 30,081,439 km (0.116 R)
• M57: 30,606,976 km (0.045 R)
• M58: 32,278,733 km (0.074 R)
• M59: 32,585,857 km (0.095 R)
• M60: 32,662,750 km (0.051 R)
• M61: 32,971,221 km (0.104 R)
• M62: 36,585,954 km (0.055 R)
• M63: 36,906,243 km (0.112 R)
• M64: 37,710,930 km (0.069 R)
• M65: 38,115,443 km (0.091 R)
• M66: 38,196,525 km (0.108 R)
• M67: 38,521,452 km (0.083 R)
• M68: 39,583,597 km (0.108 R)
• M69: 41,403,006 km (0.095 R)
• M70: 42,155,184 km (0.115 R)
• M71: 42,996,074 km (0.091 R)
• M72: 44,097,712 km (0.055 R)
• M73: 45,896,776 km (0.112 R)
• M74: 47,719,776 km (0.087 R)
• M75: 51,705,063 km (0.074 R)
• M76: 52,154,455 km (0.098 R)
• M77: 52,334,571 km (0.093 R)
• M78: 52,966,622 km (0.076 R)
• M79: 53,238,142 km (0.091 R)
• M80: 53,328,799 km (0.082 R)
• M81: 53,692,022 km (0.116 R)
• M82: 53,873,784 km (0.075 R)
• M83: 54,603,372 km (0.088 R)
• M84: 54,694,777 km (0.083 R)
• M85: 55,979,972 km (0.106 R)
• M86: 57,460,991 km (0.088 R)
• M87: 57,926,540 km (0.11 R)
• M88: 61,409,627 km (0.06 R)
• M89: 62,076,235 km (0.104 R)
• M90: 62,171,529 km (0.116 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.8

Radius: 14.9

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 11.26 AU - 11.98 AU

Year: 14052 Days

Day: 12.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 101,664,490 km

• M1: 201,209 km (0.087 R)
• M2: 337,343 km (0.114 R)
• M3: 1,064,987 km (0.1 R)
• M4: 1,557,314 km (0.042 R)
• M5: 1,885,681 km (0.062 R)
• M6: 2,087,937 km (0.104 R)
• M7: 2,609,436 km (0.103 R)
• M8: 3,171,325 km (0.082 R)
• M9: 3,880,718 km (0.092 R)
• M10: 4,215,967 km (0.105 R)
• M11: 4,677,776 km (0.07 R)
• M12: 4,795,809 km (0.113 R)
• M13: 5,360,092 km (0.111 R)
• M14: 5,483,660 km (0.029 R)
• M15: 5,608,424 km (0.105 R)
• M16: 6,202,777 km (0.088 R)
• M17: 6,728,463 km (0.069 R)
• M18: 8,295,052 km (0.104 R)
• M19: 8,486,538 km (0.065 R)
• M20: 8,631,199 km (0.077 R)
• M21: 9,716,980 km (0.098 R)
• M22: 9,868,523 km (0.075 R)
• M23: 10,327,489 km (0.105 R)
• M24: 10,430,412 km (0.079 R)
• M25: 11,319,622 km (0.09 R)
• M26: 11,425,837 km (0.113 R)
• M27: 12,232,917 km (0.086 R)
• M28: 12,726,141 km (0.106 R)
• M29: 12,836,694 km (0.078 R)
• M30: 13,562,693 km (0.114 R)
• M31: 14,937,946 km (0.075 R)
• M32: 15,347,545 km (0.104 R)
• M33: 15,701,493 km (0.058 R)
• M34: 16,058,135 km (0.045 R)
• M35: 17,696,231 km (0.082 R)
• M36: 18,129,616 km (0.107 R)
• M37: 18,254,082 km (0.097 R)
• M38: 19,260,127 km (0.093 R)
• M39: 19,898,013 km (0.087 R)
• M40: 20,155,172 km (0.117 R)
• M41: 21,260,251 km (0.031 R)
• M42: 21,721,012 km (0.067 R)
• M43: 22,052,073 km (0.069 R)
• M44: 22,853,768 km (0.055 R)
• M45: 23,055,575 km (0.047 R)
• M46: 23,190,512 km (0.05 R)
• M47: 23,529,052 km (0.117 R)
• M48: 24,485,431 km (0.114 R)
• M49: 25,037,747 km (0.119 R)
• M50: 25,873,849 km (0.104 R)
• M51: 26,154,645 km (0.12 R)
• M52: 26,789,987 km (0.112 R)
• M53: 26,931,805 km (0.115 R)
• M54: 27,860,210 km (0.119 R)
• M55: 29,675,131 km (0.052 R)
• M56: 30,411,602 km (0.053 R)
• M57: 30,559,703 km (0.086 R)
• M58: 31,752,746 km (0.109 R)
• M59: 31,978,190 km (0.058 R)
• M60: 32,506,121 km (0.073 R)
• M61: 33,189,185 km (0.113 R)
• M62: 33,341,625 km (0.098 R)
• M63: 33,877,036 km (0.094 R)
• M64: 35,266,800 km (0.046 R)
• M65: 35,578,263 km (0.089 R)
• M66: 35,812,384 km (0.085 R)
• M67: 38,022,244 km (0.054 R)
• M68: 39,143,629 km (0.078 R)
• M69: 39,304,746 km (0.101 R)
• M70: 41,255,054 km (0.108 R)
• M71: 42,572,712 km (0.056 R)
• M72: 44,071,682 km (0.096 R)
• M73: 46,693,385 km (0.066 R)
• M74: 47,206,655 km (0.095 R)
• M75: 49,365,353 km (0.118 R)
• M76: 49,975,562 km (0.093 R)
• M77: 50,325,322 km (0.077 R)
• M78: 57,307,504 km (0.084 R)
• M79: 58,961,308 km (0.112 R)
• M80: 60,072,671 km (0.068 R)
• M81: 60,444,571 km (0.032 R)
• M82: 62,127,996 km (0.114 R)
• M83: 62,504,085 km (0.066 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 992.6

Radius: 7.2

Gravity: 19.15 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 14.1 AU - 20.62 AU

Year: 25660 Days

Day: 19.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 101,664,490 km

• M1: 295,157 km (0.09 R)
• M2: 617,390 km (0.075 R)
• M3: 932,743 km (0.05 R)
• M4: 995,275 km (0.104 R)
• M5: 1,091,616 km (0.116 R)
• M6: 1,157,738 km (0.058 R)
• M7: 1,619,846 km (0.102 R)
• M8: 2,606,743 km (0.111 R)
• M9: 2,741,082 km (0.109 R)
• M10: 3,253,604 km (0.086 R)
• M11: 3,694,619 km (0.045 R)
• M12: 3,947,888 km (0.076 R)
• M13: 4,960,815 km (0.085 R)
• M14: 5,016,316 km (0.107 R)
• M15: 5,410,357 km (0.117 R)
• M16: 6,468,762 km (0.111 R)
• M17: 6,712,606 km (0.118 R)
• M18: 7,146,440 km (0.084 R)
• M19: 7,461,942 km (0.112 R)
• M20: 7,976,259 km (0.079 R)
• M21: 8,369,402 km (0.044 R)
• M22: 9,038,703 km (0.096 R)
• M23: 10,930,368 km (0.069 R)
• M24: 11,075,179 km (0.104 R)
• M25: 11,809,106 km (0.104 R)
• M26: 12,106,956 km (0.097 R)
• M27: 12,939,019 km (0.036 R)
• M28: 13,015,613 km (0.043 R)
• M29: 14,103,190 km (0.058 R)
• M30: 14,261,015 km (0.088 R)
• M31: 14,817,819 km (0.027 R)
• M32: 15,543,967 km (0.106 R)
• M33: 15,707,028 km (0.101 R)
• M34: 18,047,338 km (0.106 R)
• M35: 18,909,171 km (0.12 R)
• M36: 20,226,978 km (0.091 R)
• M37: 26,658,341 km (0.079 R)
• M38: 27,049,090 km (0.073 R)
• M39: 27,540,070 km (0.114 R)
• M40: 28,034,043 km (0.046 R)
• M41: 28,431,375 km (0.089 R)
• M42: 29,030,813 km (0.112 R)
• M43: 29,836,697 km (0.07 R)
• M44: 29,937,825 km (0.032 R)
• M45: 30,751,937 km (0.032 R)
• M46: 31,470,156 km (0.105 R)
• M47: 31,986,568 km (0.078 R)
• M48: 32,090,090 km (0.082 R)
• M49: 34,185,806 km (0.119 R)
• M50: 35,571,681 km (0.107 R)
• M51: 39,726,313 km (0.094 R)
• M52: 40,284,313 km (0.064 R)
• M53: 41,521,039 km (0.092 R)
• M54: 45,189,029 km (0.108 R)
• M55: 46,356,341 km (0.092 R)
• M56: 46,943,662 km (0.086 R)
• M57: 51,002,701 km (0.094 R)
• M58: 51,245,050 km (0.111 R)
• M59: 51,730,644 km (0.085 R)
• M60: 52,095,962 km (0.114 R)
• M61: 52,828,992 km (0.11 R)
• M62: 55,545,839 km (0.06 R)
• M63: 56,670,366 km (0.091 R)
• M64: 57,802,373 km (0.049 R)
• M65: 58,055,044 km (0.099 R)
• M66: 58,307,864 km (0.117 R)
• M67: 58,434,574 km (0.054 R)
• M68: 58,941,860 km (0.079 R)
• M69: 59,578,100 km (0.106 R)
• M70: 59,705,707 km (0.11 R)
• M71: 59,833,314 km (0.12 R)
• M72: 62,663,556 km (0.111 R)
• M73: 63,052,959 km (0.116 R)
• M74: 63,182,960 km (0.117 R)
• M75: 65,142,842 km (0.083 R)
• M76: 66,990,226 km (0.103 R)
• M77: 67,654,141 km (0.068 R)
• M78: 74,686,887 km (0.054 R)
• M79: 75,651,194 km (0.032 R)
• M80: 77,870,778 km (0.118 R)
• M81: 78,429,077 km (0.119 R)
• M82: 78,988,573 km (0.072 R)
• M83: 83,369,996 km (0.088 R)
• M84: 83,798,145 km (0.084 R)
• M85: 85,374,308 km (0.116 R)
• M86: 88,701,664 km (0.097 R)
• M87: 90,747,564 km (0.08 R)
• M88: 92,071,057 km (0.12 R)
• M89: 95,034,890 km (0.078 R)
• M90: 98,180,335 km (0.108 R)
• M91: 98,481,774 km (0.052 R)
• M92: 99,690,226 km (0.114 R)
• M93: 99,993,162 km (0.113 R)
• M94: 100,599,781 km (0.088 R)

Kuiper Belt

Range: 30.9 - 47.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 226 - 12,734 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit