🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.88 AU - 1.14 AU

Year: 358 Days

Day: 40.3 Hours

Environment

Temp: 151 °C

Axial Tilt: 26.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.48 AU - 1.58 AU

Year: 668 Days

Day: 44.5 Hours

Environment

Temp: 2 °C

Axial Tilt: 25.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 53,990,346 km

• M1: 513,569 km (0.108 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.83 AU - 2.25 AU

Year: 1029 Days

Day: 25.8 Hours

Environment

Temp: -64 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.2 AU - 2.36 AU

Year: 1216 Days

Day: 35.7 Hours

Environment

Temp: -67 °C

Axial Tilt: 18.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.41 AU - 3.11 AU

Year: 1619 Days

Day: 34.3 Hours

Environment

Temp: -90 °C

Axial Tilt: 23.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.8

Radius: 12.9

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 4.8 AU - 7 AU

Year: 5060 Days

Day: 7 Hours

Environment

Temp: -142 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 53,990,346 km

• M1: 233,223 km (0.056 R)
• M2: 325,525 km (0.112 R)
• M3: 555,606 km (0.086 R)
• M4: 693,386 km (0.062 R)
• M5: 792,570 km (0.067 R)
• M6: 1,121,834 km (0.103 R)
• M7: 1,302,997 km (0.046 R)
• M8: 1,494,333 km (0.12 R)
• M9: 1,948,363 km (0.111 R)
• M10: 2,274,785 km (0.107 R)
• M11: 2,539,125 km (0.085 R)
• M12: 2,764,569 km (0.073 R)
• M13: 3,098,322 km (0.047 R)
• M14: 3,427,437 km (0.109 R)
• M15: 3,515,999 km (0.105 R)
• M16: 3,659,164 km (0.094 R)
• M17: 3,786,173 km (0.095 R)
• M18: 4,119,626 km (0.047 R)
• M19: 4,214,022 km (0.103 R)
• M20: 4,637,833 km (0.106 R)
• M21: 4,755,716 km (0.101 R)
• M22: 4,854,900 km (0.047 R)
• M23: 4,974,728 km (0.088 R)
• M24: 5,319,700 km (0.115 R)
• M25: 5,526,295 km (0.077 R)
• M26: 5,609,771 km (0.056 R)
• M27: 5,735,732 km (0.111 R)
• M28: 6,033,133 km (0.093 R)
• M29: 6,205,469 km (0.057 R)
• M30: 6,888,533 km (0.116 R)
• M31: 7,433,967 km (0.052 R)
• M32: 7,758,594 km (0.056 R)
• M33: 7,922,703 km (0.089 R)
• M34: 8,040,586 km (0.119 R)
• M35: 8,135,282 km (0.111 R)
• M36: 8,735,917 km (0.088 R)
• M37: 9,177,381 km (0.09 R)
• M38: 9,500,662 km (0.073 R)
• M39: 9,726,854 km (0.06 R)
• M40: 10,030,986 km (0.073 R)
• M41: 10,700,885 km (0.089 R)
• M42: 11,598,772 km (0.104 R)
• M43: 11,840,522 km (0.05 R)
• M44: 11,921,604 km (0.088 R)
• M45: 12,084,067 km (0.096 R)
• M46: 12,329,109 km (0.118 R)
• M47: 12,438,614 km (0.101 R)
• M48: 13,018,605 km (0.075 R)
• M49: 13,213,830 km (0.071 R)
• M50: 13,410,103 km (0.094 R)
• M51: 13,976,331 km (0.071 R)
• M52: 14,262,362 km (0.104 R)
• M53: 14,898,452 km (0.073 R)
• M54: 15,132,124 km (0.108 R)
• M55: 15,989,170 km (0.057 R)
• M56: 16,138,618 km (0.082 R)
• M57: 16,288,515 km (0.109 R)
• M58: 16,438,712 km (0.094 R)
• M59: 16,710,531 km (0.095 R)
• M60: 17,075,101 km (0.085 R)
• M61: 17,473,031 km (0.083 R)
• M62: 17,719,569 km (0.084 R)
• M63: 18,184,668 km (0.111 R)
• M64: 18,278,167 km (0.118 R)
• M65: 19,572,488 km (0.106 R)
• M66: 19,700,244 km (0.045 R)
• M67: 20,473,217 km (0.069 R)
• M68: 20,667,993 km (0.108 R)
• M69: 20,928,742 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.4

Radius: 9.2

Gravity: 11.67 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 6.91 AU - 7.85 AU

Year: 7079 Days

Day: 9 Hours

Environment

Temp: -151 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 53,990,346 km

• M1: 118,182 km (0.088 R)
• M2: 235,766 km (0.109 R)
• M3: 407,355 km (0.057 R)
• M4: 682,914 km (0.084 R)
• M5: 808,876 km (0.098 R)
• M6: 977,921 km (0.108 R)
• M7: 1,177,335 km (0.064 R)
• M8: 1,491,192 km (0.069 R)
• M9: 1,787,246 km (0.115 R)
• M10: 1,942,229 km (0.116 R)
• M11: 2,032,885 km (0.089 R)
• M12: 2,148,225 km (0.1 R)
• M13: 2,265,809 km (0.083 R)
• M14: 2,681,542 km (0.089 R)
• M15: 3,094,432 km (0.105 R)
• M16: 3,555,343 km (0.114 R)
• M17: 3,893,584 km (0.075 R)
• M18: 4,066,669 km (0.074 R)
• M19: 4,183,504 km (0.117 R)
• M20: 4,271,767 km (0.071 R)
• M21: 4,510,525 km (0.112 R)
• M22: 5,189,251 km (0.099 R)
• M23: 5,444,016 km (0.025 R)
• M24: 5,508,343 km (0.099 R)
• M25: 6,098,956 km (0.109 R)
• M26: 6,572,134 km (0.099 R)
• M27: 6,675,057 km (0.041 R)
• M28: 6,778,579 km (0.09 R)
• M29: 6,847,843 km (0.116 R)
• M30: 8,282,935 km (0.096 R)
• M31: 8,468,735 km (0.092 R)
• M32: 9,110,660 km (0.115 R)
• M33: 9,187,254 km (0.084 R)
• M34: 9,456,829 km (0.076 R)
• M35: 11,170,024 km (0.112 R)
• M36: 11,748,220 km (0.094 R)
• M37: 11,831,546 km (0.09 R)
• M38: 11,957,059 km (0.085 R)
• M39: 12,336,140 km (0.103 R)
• M40: 12,420,812 km (0.1 R)
• M41: 12,890,549 km (0.099 R)
• M42: 13,106,120 km (0.074 R)
• M43: 13,584,235 km (0.118 R)
• M44: 14,379,048 km (0.117 R)
• M45: 15,143,493 km (0.098 R)
• M46: 15,462,137 km (0.1 R)
• M47: 15,737,098 km (0.108 R)
• M48: 17,088,415 km (0.071 R)
• M49: 17,182,961 km (0.062 R)
• M50: 17,706,105 km (0.044 R)
• M51: 17,849,719 km (0.118 R)
• M52: 19,208,666 km (0.119 R)
• M53: 20,249,568 km (0.052 R)
• M54: 20,550,259 km (0.079 R)
• M55: 20,751,618 km (0.094 R)
• M56: 21,870,760 km (0.027 R)
• M57: 22,904,930 km (0.06 R)
• M58: 23,113,769 km (0.068 R)
• M59: 23,270,697 km (0.116 R)
• M60: 24,592,693 km (0.051 R)
• M61: 24,806,469 km (0.048 R)
• M62: 26,538,961 km (0.079 R)
• M63: 26,648,467 km (0.07 R)
• M64: 26,758,272 km (0.066 R)
• M65: 26,923,129 km (0.098 R)
• M66: 28,198,301 km (0.041 R)
• M67: 28,366,000 km (0.051 R)
• M68: 28,590,247 km (0.07 R)
• M69: 29,096,935 km (0.078 R)
• M70: 30,119,138 km (0.062 R)
• M71: 32,373,877 km (0.087 R)
• M72: 33,137,574 km (0.114 R)
• M73: 33,491,971 km (0.102 R)
• M74: 34,204,656 km (0.076 R)
• M75: 34,264,345 km (0.058 R)
• M76: 35,042,404 km (0.065 R)
• M77: 35,222,819 km (0.105 R)
• M78: 38,089,263 km (0.116 R)
• M79: 38,151,047 km (0.051 R)
• M80: 40,020,422 km (0.112 R)
• M81: 40,460,988 km (0.068 R)
• M82: 41,283,328 km (0.103 R)
• M83: 42,494,921 km (0.111 R)
• M84: 42,751,631 km (0.064 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.5

Radius: 10.1

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 9.19 AU - 11.29 AU

Year: 11570 Days

Day: 9.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 53,990,346 km

• M1: 247,136 km (0.105 R)
• M2: 489,185 km (0.11 R)
• M3: 650,751 km (0.102 R)
• M4: 831,016 km (0.1 R)
• M5: 1,182,721 km (0.073 R)
• M6: 1,255,575 km (0.101 R)
• M7: 1,876,705 km (0.042 R)
• M8: 2,032,437 km (0.084 R)
• M9: 2,601,507 km (0.111 R)
• M10: 3,014,247 km (0.12 R)
• M11: 3,156,365 km (0.084 R)
• M12: 3,342,615 km (0.066 R)
• M13: 4,078,337 km (0.112 R)
• M14: 4,862,978 km (0.113 R)
• M15: 5,126,719 km (0.059 R)
• M16: 6,646,783 km (0.082 R)
• M17: 7,291,550 km (0.106 R)
• M18: 8,669,047 km (0.034 R)
• M19: 9,135,942 km (0.06 R)
• M20: 10,216,637 km (0.03 R)
• M21: 10,493,094 km (0.07 R)
• M22: 11,242,280 km (0.05 R)
• M23: 11,368,840 km (0.09 R)
• M24: 11,655,320 km (0.112 R)
• M25: 12,008,819 km (0.067 R)
• M26: 12,463,747 km (0.08 R)
• M27: 12,891,297 km (0.055 R)
• M28: 14,442,328 km (0.066 R)
• M29: 14,511,143 km (0.092 R)
• M30: 14,926,128 km (0.06 R)
• M31: 15,803,070 km (0.092 R)
• M32: 17,058,944 km (0.08 R)
• M33: 17,570,120 km (0.039 R)
• M34: 17,938,430 km (0.1 R)
• M35: 18,309,283 km (0.038 R)
• M36: 18,720,079 km (0.095 R)
• M37: 19,209,563 km (0.073 R)
• M38: 20,201,248 km (0.09 R)
• M39: 21,405,062 km (0.066 R)
• M40: 21,719,666 km (0.075 R)
• M41: 22,075,260 km (0.052 R)
• M42: 22,832,225 km (0.045 R)
• M43: 23,274,437 km (0.116 R)
• M44: 24,453,866 km (0.067 R)
• M45: 24,700,254 km (0.076 R)
• M46: 26,406,119 km (0.106 R)
• M47: 27,678,299 km (0.084 R)
• M48: 28,364,953 km (0.093 R)
• M49: 28,970,376 km (0.089 R)

Planet 9 - Gas Giant

Semi-Major Axis: 12.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940

Radius: 8.7

Gravity: 12.42 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 10.73 AU - 14.79 AU

Year: 16094 Days

Day: 5.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 53,990,346 km

• M1: 120,127 km (0.096 R)
• M2: 192,532 km (0.092 R)
• M3: 566,078 km (0.08 R)
• M4: 670,797 km (0.102 R)
• M5: 852,409 km (0.068 R)
• M6: 1,024,745 km (0.113 R)
• M7: 1,128,566 km (0.062 R)
• M8: 1,432,100 km (0.058 R)
• M9: 2,418,100 km (0.095 R)
• M10: 2,593,429 km (0.069 R)
• M11: 2,919,702 km (0.079 R)
• M12: 3,852,744 km (0.084 R)
• M13: 4,394,138 km (0.059 R)
• M14: 4,652,195 km (0.032 R)
• M15: 5,364,131 km (0.099 R)
• M16: 5,920,485 km (0.078 R)
• M17: 6,301,511 km (0.087 R)
• M18: 6,789,051 km (0.066 R)
• M19: 7,137,614 km (0.088 R)
• M20: 7,339,272 km (0.055 R)
• M21: 9,403,573 km (0.087 R)
• M22: 9,791,929 km (0.069 R)
• M23: 11,515,446 km (0.12 R)
• M24: 12,533,160 km (0.064 R)
• M25: 13,206,799 km (0.087 R)
• M26: 13,268,733 km (0.104 R)
• M27: 15,232,953 km (0.111 R)
• M28: 15,427,879 km (0.076 R)
• M29: 16,547,619 km (0.083 R)
• M30: 17,151,097 km (0.064 R)
• M31: 17,218,715 km (0.103 R)
• M32: 17,286,184 km (0.107 R)
• M33: 19,284,362 km (0.107 R)
• M34: 20,920,365 km (0.056 R)
• M35: 21,718,469 km (0.064 R)
• M36: 22,157,988 km (0.117 R)
• M37: 22,748,600 km (0.066 R)
• M38: 23,269,650 km (0.048 R)
• M39: 23,719,341 km (0.109 R)
• M40: 23,945,234 km (0.087 R)
• M41: 24,703,545 km (0.105 R)
• M42: 25,392,743 km (0.051 R)
• M43: 28,852,193 km (0.105 R)
• M44: 29,820,989 km (0.118 R)
• M45: 31,624,840 km (0.075 R)
• M46: 32,539,930 km (0.098 R)
• M47: 33,548,220 km (0.096 R)
• M48: 33,971,283 km (0.057 R)
• M49: 34,993,934 km (0.072 R)
• M50: 35,165,373 km (0.099 R)
• M51: 35,508,999 km (0.103 R)
• M52: 36,286,460 km (0.116 R)
• M53: 38,298,551 km (0.115 R)
• M54: 38,652,051 km (0.065 R)
• M55: 39,630,122 km (0.103 R)
• M56: 39,898,201 km (0.101 R)
• M57: 40,077,419 km (0.105 R)
• M58: 40,706,329 km (0.113 R)
• M59: 41,248,022 km (0.034 R)
• M60: 42,612,654 km (0.042 R)
• M61: 44,362,501 km (0.087 R)
• M62: 46,135,684 km (0.112 R)
• M63: 47,267,392 km (0.085 R)
• M64: 50,329,960 km (0.098 R)
• M65: 50,620,329 km (0.115 R)
• M66: 51,689,954 km (0.107 R)
• M67: 52,276,378 km (0.076 R)
• M68: 52,472,500 km (0.12 R)
• M69: 53,061,916 km (0.093 R)
• M70: 55,541,501 km (0.101 R)
• M71: 55,641,432 km (0.107 R)
• M72: 56,041,906 km (0.078 R)
• M73: 56,543,956 km (0.114 R)
• M74: 57,754,652 km (0.071 R)
• M75: 58,770,122 km (0.114 R)
• M76: 59,178,075 km (0.066 R)
• M77: 59,791,576 km (0.085 R)
• M78: 60,715,792 km (0.117 R)
• M79: 60,921,788 km (0.097 R)
• M80: 63,516,713 km (0.089 R)
• M81: 64,249,892 km (0.051 R)
• M82: 64,564,795 km (0.098 R)
• M83: 64,775,130 km (0.116 R)
• M84: 65,196,398 km (0.116 R)
• M85: 65,512,947 km (0.102 R)
• M86: 69,459,039 km (0.119 R)
• M87: 70,863,614 km (0.088 R)
• M88: 71,189,139 km (0.1 R)
• M89: 71,406,355 km (0.117 R)
• M90: 71,515,112 km (0.049 R)
• M91: 73,042,956 km (0.044 R)

Planet 10 - Ice Giant

Semi-Major Axis: 14.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 241.7

Radius: 3.6

Gravity: 18.65 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 11.37 AU - 18.25 AU

Year: 20125 Days

Day: 22.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 53,990,346 km

• M1: 115,639 km (0.09 R)
• M2: 186,100 km (0.115 R)
• M3: 284,086 km (0.082 R)
• M4: 492,626 km (0.117 R)
• M5: 647,908 km (0.102 R)
• M6: 1,001,408 km (0.078 R)
• M7: 1,108,819 km (0.059 R)
• M8: 1,699,731 km (0.114 R)
• M9: 2,093,921 km (0.115 R)
• M10: 2,690,966 km (0.107 R)
• M11: 2,961,888 km (0.072 R)
• M12: 3,497,299 km (0.072 R)
• M13: 3,892,836 km (0.088 R)
• M14: 5,051,920 km (0.059 R)
• M15: 5,088,572 km (0.114 R)
• M16: 5,460,173 km (0.058 R)
• M17: 6,466,966 km (0.083 R)
• M18: 6,869,085 km (0.113 R)
• M19: 7,529,261 km (0.104 R)
• M20: 7,824,268 km (0.071 R)
• M21: 8,123,314 km (0.12 R)
• M22: 8,425,950 km (0.076 R)
• M23: 9,042,294 km (0.081 R)
• M24: 10,039,663 km (0.108 R)
• M25: 11,745,527 km (0.096 R)
• M26: 12,136,726 km (0.107 R)
• M27: 12,432,780 km (0.116 R)
• M28: 12,681,411 km (0.047 R)
• M29: 12,831,309 km (0.059 R)
• M30: 13,897,193 km (0.113 R)
• M31: 15,468,569 km (0.083 R)
• M32: 15,682,195 km (0.115 R)
• M33: 16,166,743 km (0.084 R)
• M34: 16,437,964 km (0.033 R)
• M35: 16,656,077 km (0.109 R)
• M36: 16,875,089 km (0.071 R)
• M37: 17,371,454 km (0.101 R)
• M38: 17,426,955 km (0.079 R)
• M39: 17,537,957 km (0.104 R)
• M40: 17,649,258 km (0.107 R)
• M41: 17,705,058 km (0.116 R)
• M42: 17,760,858 km (0.086 R)
• M43: 18,321,999 km (0.091 R)
• M44: 18,945,972 km (0.079 R)
• M45: 20,331,547 km (0.088 R)
• M46: 20,389,891 km (0.093 R)
• M47: 21,570,367 km (0.1 R)
• M48: 21,868,965 km (0.116 R)
• M49: 22,289,185 km (0.08 R)
• M50: 22,772,685 km (0.102 R)
• M51: 24,679,011 km (0.119 R)
• M52: 25,241,798 km (0.039 R)
• M53: 25,367,610 km (0.119 R)
• M54: 26,316,659 km (0.047 R)
• M55: 26,380,388 km (0.098 R)
• M56: 26,699,630 km (0.036 R)
• M57: 27,664,835 km (0.102 R)
• M58: 28,054,238 km (0.066 R)
• M59: 28,576,185 km (0.076 R)
• M60: 28,707,083 km (0.116 R)
• M61: 29,961,312 km (0.107 R)
• M62: 31,300,811 km (0.111 R)
• M63: 32,522,876 km (0.118 R)
• M64: 33,002,337 km (0.065 R)
• M65: 33,139,668 km (0.109 R)
• M66: 33,622,121 km (0.05 R)
• M67: 33,760,499 km (0.047 R)
• M68: 33,968,141 km (0.105 R)
• M69: 34,245,945 km (0.085 R)
• M70: 36,281,523 km (0.056 R)
• M71: 37,063,770 km (0.112 R)
• M72: 37,278,144 km (0.098 R)
• M73: 37,708,088 km (0.091 R)
• M74: 38,500,358 km (0.105 R)
• M75: 39,443,872 km (0.089 R)
• M76: 40,174,957 km (0.101 R)
• M77: 40,689,274 km (0.111 R)
• M78: 41,279,737 km (0.105 R)
• M79: 42,993,082 km (0.12 R)
• M80: 43,443,820 km (0.107 R)
• M81: 43,745,110 km (0.062 R)
• M82: 46,951,292 km (0.062 R)
• M83: 47,260,511 km (0.06 R)
• M84: 48,192,505 km (0.087 R)
• M85: 48,270,446 km (0.099 R)
• M86: 48,348,386 km (0.113 R)
• M87: 48,738,837 km (0.115 R)
• M88: 50,153,285 km (0.086 R)
• M89: 50,232,272 km (0.048 R)
• M90: 50,311,260 km (0.116 R)
• M91: 50,627,659 km (0.042 R)
• M92: 51,183,116 km (0.096 R)
• M93: 51,740,518 km (0.107 R)
• M94: 52,781,121 km (0.12 R)

Kuiper Belt

Range: 31.1 - 55.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 235 - 10,877 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit