🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.52 AU - 0.52 AU

Year: 170 Days

Day: 20.6 Hours

Environment

Temp: 26 °C

Axial Tilt: 48.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.05 AU - 1.09 AU

Year: 501 Days

Day: 20.5 Hours

Environment

Temp: -83 °C

Axial Tilt: 19.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,071,114 km

• M1: 628,461 km (0.045 R)

Asteroid Belt

Center: 2.13 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.8

Radius: 13.6

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.78 AU - 3.58 AU

Year: 2569 Days

Day: 10.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 71,071,114 km

• M1: 190,887 km (0.1 R)
• M2: 276,756 km (0.104 R)
• M3: 381,475 km (0.032 R)
• M4: 484,697 km (0.095 R)
• M5: 604,824 km (0.098 R)
• M6: 788,680 km (0.082 R)
• M7: 1,132,157 km (0.096 R)
• M8: 1,255,425 km (0.09 R)
• M9: 1,342,342 km (0.119 R)
• M10: 1,510,340 km (0.112 R)
• M11: 1,763,011 km (0.07 R)
• M12: 1,921,585 km (0.106 R)
• M13: 2,057,270 km (0.044 R)
• M14: 2,182,483 km (0.096 R)
• M15: 2,324,452 km (0.062 R)
• M16: 2,455,051 km (0.05 R)
• M17: 2,565,903 km (0.081 R)
• M18: 2,762,025 km (0.117 R)
• M19: 2,908,482 km (0.036 R)
• M20: 3,002,429 km (0.105 R)
• M21: 3,314,790 km (0.112 R)
• M22: 3,413,075 km (0.099 R)
• M23: 3,529,163 km (0.064 R)
• M24: 3,697,012 km (0.034 R)
• M25: 3,833,445 km (0.105 R)
• M26: 4,006,231 km (0.081 R)
• M27: 4,199,362 km (0.112 R)
• M28: 4,315,001 km (0.033 R)
• M29: 4,604,174 km (0.083 R)
• M30: 5,173,094 km (0.076 R)
• M31: 5,412,900 km (0.11 R)
• M32: 5,558,458 km (0.093 R)
• M33: 5,685,766 km (0.074 R)
• M34: 5,873,512 km (0.119 R)
• M35: 6,043,305 km (0.041 R)
• M36: 6,367,334 km (0.061 R)
• M37: 6,490,304 km (0.107 R)
• M38: 6,895,564 km (0.114 R)
• M39: 7,106,647 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.4

Radius: 10.6

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.59 AU - 4.05 AU

Year: 2741 Days

Day: 8.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 71,071,114 km

• M1: 133,441 km (0.09 R)
• M2: 265,087 km (0.11 R)
• M3: 379,979 km (0.097 R)
• M4: 449,392 km (0.026 R)
• M5: 939,624 km (0.117 R)
• M6: 1,526,347 km (0.043 R)
• M7: 1,597,855 km (0.087 R)
• M8: 1,719,628 km (0.116 R)
• M9: 1,857,258 km (0.111 R)
• M10: 2,170,516 km (0.104 R)
• M11: 2,430,666 km (0.104 R)
• M12: 2,543,164 km (0.078 R)
• M13: 3,026,066 km (0.025 R)
• M14: 3,395,273 km (0.094 R)
• M15: 3,505,826 km (0.03 R)
• M16: 3,601,419 km (0.082 R)
• M17: 3,926,495 km (0.047 R)
• M18: 4,109,454 km (0.084 R)
• M19: 4,210,432 km (0.117 R)
• M20: 4,295,254 km (0.056 R)
• M21: 4,363,471 km (0.065 R)
• M22: 4,570,514 km (0.098 R)
• M23: 4,940,470 km (0.042 R)
• M24: 5,030,079 km (0.111 R)
• M25: 5,247,145 km (0.096 R)
• M26: 5,504,454 km (0.101 R)
• M27: 5,822,499 km (0.103 R)
• M28: 6,359,405 km (0.106 R)
• M29: 6,633,768 km (0.098 R)
• M30: 6,972,308 km (0.092 R)
• M31: 7,113,229 km (0.088 R)
• M32: 7,398,213 km (0.064 R)
• M33: 7,583,415 km (0.045 R)
• M34: 7,707,731 km (0.072 R)
• M35: 7,811,851 km (0.063 R)
• M36: 8,922,167 km (0.115 R)
• M37: 9,318,003 km (0.098 R)
• M38: 9,674,793 km (0.025 R)
• M39: 9,764,702 km (0.065 R)
• M40: 9,877,499 km (0.076 R)
• M41: 10,195,394 km (0.109 R)
• M42: 10,586,144 km (0.112 R)
• M43: 10,935,006 km (0.11 R)
• M44: 11,052,141 km (0.037 R)
• M45: 11,287,608 km (0.073 R)
• M46: 11,358,667 km (0.082 R)
• M47: 11,453,512 km (0.087 R)
• M48: 11,787,714 km (0.114 R)
• M49: 11,883,756 km (0.096 R)
• M50: 12,052,502 km (0.056 R)
• M51: 12,149,292 km (0.095 R)
• M52: 12,465,542 km (0.101 R)
• M53: 12,588,062 km (0.102 R)
• M54: 12,686,199 km (0.102 R)
• M55: 12,834,001 km (0.103 R)
• M56: 12,908,052 km (0.092 R)
• M57: 13,156,235 km (0.098 R)
• M58: 13,330,816 km (0.104 R)
• M59: 13,707,503 km (0.111 R)
• M60: 13,783,349 km (0.052 R)
• M61: 14,087,781 km (0.116 R)
• M62: 14,215,388 km (0.102 R)
• M63: 14,394,457 km (0.118 R)
• M64: 14,497,230 km (0.101 R)
• M65: 15,144,840 km (0.113 R)
• M66: 15,301,768 km (0.099 R)
• M67: 15,669,779 km (0.096 R)
• M68: 16,173,923 km (0.087 R)
• M69: 16,602,671 km (0.063 R)
• M70: 16,845,468 km (0.047 R)
• M71: 17,635,943 km (0.046 R)
• M72: 18,077,107 km (0.057 R)
• M73: 18,689,860 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.5

Radius: 13.5

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.03 AU - 4.21 AU

Year: 3120 Days

Day: 5.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 71,071,114 km

• M1: 173,833 km (0.084 R)
• M2: 266,284 km (0.115 R)
• M3: 370,105 km (0.099 R)
• M4: 504,444 km (0.092 R)
• M5: 679,474 km (0.106 R)
• M6: 791,522 km (0.115 R)
• M7: 888,462 km (0.114 R)
• M8: 1,119,890 km (0.108 R)
• M9: 1,384,977 km (0.103 R)
• M10: 1,505,104 km (0.102 R)
• M11: 1,615,059 km (0.119 R)
• M12: 1,785,151 km (0.037 R)
• M13: 2,237,087 km (0.108 R)
• M14: 2,525,661 km (0.077 R)
• M15: 2,624,545 km (0.063 R)
• M16: 2,826,353 km (0.057 R)
• M17: 2,912,072 km (0.078 R)
• M18: 3,103,707 km (0.069 R)
• M19: 3,299,531 km (0.072 R)
• M20: 3,408,139 km (0.078 R)
• M21: 3,629,095 km (0.11 R)
• M22: 3,722,444 km (0.115 R)
• M23: 3,988,578 km (0.064 R)
• M24: 4,419,271 km (0.106 R)
• M25: 4,762,598 km (0.046 R)
• M26: 4,885,866 km (0.102 R)
• M27: 5,072,714 km (0.101 R)
• M28: 5,410,955 km (0.108 R)
• M29: 5,539,609 km (0.066 R)
• M30: 5,976,285 km (0.097 R)
• M31: 6,424,181 km (0.119 R)
• M32: 6,514,987 km (0.118 R)
• M33: 6,606,392 km (0.097 R)
• M34: 6,790,247 km (0.096 R)
• M35: 6,999,236 km (0.083 R)
• M36: 7,447,580 km (0.034 R)
• M37: 7,880,816 km (0.12 R)
• M38: 8,149,793 km (0.034 R)
• M39: 8,521,394 km (0.063 R)
• M40: 9,878,546 km (0.047 R)
• M41: 10,328,237 km (0.08 R)
• M42: 10,515,234 km (0.062 R)
• M43: 11,001,577 km (0.055 R)
• M44: 11,467,574 km (0.118 R)
• M45: 11,689,129 km (0.067 R)
• M46: 11,912,030 km (0.096 R)
• M47: 12,818,144 km (0.069 R)
• M48: 13,019,353 km (0.119 R)
• M49: 13,395,741 km (0.083 R)
• M50: 13,658,435 km (0.076 R)
• M51: 14,846,541 km (0.045 R)
• M52: 15,361,607 km (0.079 R)
• M53: 15,514,197 km (0.061 R)
• M54: 15,667,385 km (0.089 R)
• M55: 15,851,690 km (0.064 R)
• M56: 16,005,925 km (0.085 R)
• M57: 16,565,271 km (0.095 R)
• M58: 16,784,582 km (0.115 R)
• M59: 17,036,206 km (0.057 R)
• M60: 17,352,755 km (0.106 R)
• M61: 18,508,099 km (0.094 R)
• M62: 19,489,910 km (0.12 R)
• M63: 19,920,752 km (0.039 R)
• M64: 20,020,533 km (0.106 R)
• M65: 20,455,115 km (0.12 R)
• M66: 22,813,675 km (0.099 R)
• M67: 22,918,095 km (0.053 R)
• M68: 23,443,034 km (0.103 R)
• M69: 23,548,500 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47

Radius: 9.9

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 5.67 AU - 7.53 AU

Year: 7682 Days

Day: 8.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 71,071,114 km

• M1: 159,322 km (0.088 R)
• M2: 244,144 km (0.086 R)
• M3: 375,341 km (0.082 R)
• M4: 492,775 km (0.107 R)
• M5: 670,946 km (0.119 R)
• M6: 988,094 km (0.116 R)
• M7: 1,237,922 km (0.12 R)
• M8: 1,402,031 km (0.112 R)
• M9: 1,889,870 km (0.108 R)
• M10: 2,067,891 km (0.108 R)
• M11: 2,189,664 km (0.113 R)
• M12: 2,608,538 km (0.053 R)
• M13: 2,687,526 km (0.062 R)
• M14: 2,793,890 km (0.059 R)
• M15: 3,108,045 km (0.081 R)
• M16: 3,476,655 km (0.096 R)
• M17: 3,799,636 km (0.073 R)
• M18: 4,474,622 km (0.085 R)
• M19: 4,890,953 km (0.089 R)
• M20: 5,038,007 km (0.101 R)
• M21: 5,674,995 km (0.025 R)
• M22: 5,812,326 km (0.103 R)
• M23: 6,284,008 km (0.072 R)
• M24: 7,526,269 km (0.053 R)
• M25: 7,886,800 km (0.087 R)
• M26: 8,117,330 km (0.118 R)
• M27: 8,447,941 km (0.052 R)
• M28: 8,565,525 km (0.102 R)
• M29: 8,981,856 km (0.09 R)
• M30: 9,854,909 km (0.114 R)
• M31: 10,585,396 km (0.099 R)
• M32: 11,637,218 km (0.101 R)
• M33: 11,833,940 km (0.088 R)
• M34: 13,038,053 km (0.108 R)
• M35: 13,723,660 km (0.051 R)
• M36: 13,815,962 km (0.116 R)
• M37: 14,821,409 km (0.077 R)
• M38: 15,249,259 km (0.07 R)
• M39: 15,657,063 km (0.071 R)
• M40: 16,019,838 km (0.057 R)
• M41: 16,287,767 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 895.7

Radius: 4.7

Gravity: 40.55 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 11.33 AU - 11.67 AU

Year: 17668 Days

Day: 21.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 71,071,114 km

• M1: 77,791 km (0.096 R)
• M2: 325,375 km (0.082 R)
• M3: 436,527 km (0.094 R)
• M4: 625,469 km (0.065 R)
• M5: 764,894 km (0.116 R)
• M6: 1,537,268 km (0.102 R)
• M7: 1,790,387 km (0.1 R)
• M8: 4,068,015 km (0.117 R)
• M9: 4,460,859 km (0.114 R)
• M10: 4,684,358 km (0.119 R)
• M11: 5,188,653 km (0.117 R)
• M12: 6,447,818 km (0.049 R)
• M13: 6,498,083 km (0.092 R)
• M14: 6,599,061 km (0.105 R)
• M15: 6,751,352 km (0.092 R)
• M16: 7,163,045 km (0.11 R)
• M17: 7,742,587 km (0.113 R)
• M18: 8,010,966 km (0.097 R)
• M19: 9,454,735 km (0.058 R)
• M20: 9,799,259 km (0.098 R)
• M21: 10,618,906 km (0.113 R)
• M22: 11,460,244 km (0.105 R)
• M23: 11,765,873 km (0.029 R)
• M24: 12,074,194 km (0.081 R)
• M25: 12,447,740 km (0.071 R)
• M26: 13,078,743 km (0.107 R)
• M27: 13,142,472 km (0.104 R)
• M28: 16,523,234 km (0.085 R)
• M29: 17,007,034 km (0.1 R)
• M30: 17,565,782 km (0.069 R)
• M31: 18,201,573 km (0.045 R)
• M32: 21,491,230 km (0.1 R)
• M33: 22,095,007 km (0.105 R)
• M34: 22,322,845 km (0.088 R)
• M35: 24,017,190 km (0.118 R)
• M36: 24,329,700 km (0.118 R)
• M37: 24,408,089 km (0.083 R)
• M38: 25,752,525 km (0.078 R)
• M39: 25,832,411 km (0.118 R)
• M40: 27,364,891 km (0.108 R)
• M41: 27,936,804 km (0.038 R)
• M42: 28,265,470 km (0.032 R)
• M43: 28,926,543 km (0.115 R)
• M44: 29,259,100 km (0.114 R)
• M45: 29,509,227 km (0.097 R)
• M46: 30,095,651 km (0.104 R)
• M47: 30,432,545 km (0.076 R)
• M48: 31,025,102 km (0.097 R)
• M49: 31,110,074 km (0.071 R)
• M50: 31,450,559 km (0.059 R)
• M51: 32,049,698 km (0.097 R)
• M52: 33,258,898 km (0.057 R)
• M53: 34,395,243 km (0.089 R)
• M54: 34,571,170 km (0.08 R)
• M55: 35,189,309 km (0.104 R)
• M56: 36,526,115 km (0.112 R)
• M57: 36,885,300 km (0.106 R)
• M58: 37,426,545 km (0.086 R)
• M59: 37,516,902 km (0.084 R)
• M60: 37,879,378 km (0.119 R)
• M61: 38,425,410 km (0.086 R)
• M62: 38,516,665 km (0.065 R)
• M63: 40,727,871 km (0.106 R)
• M64: 42,507,487 km (0.083 R)
• M65: 44,408,128 km (0.088 R)
• M66: 44,695,505 km (0.072 R)
• M67: 45,465,186 km (0.096 R)
• M68: 46,142,117 km (0.11 R)
• M69: 48,192,954 km (0.097 R)
• M70: 49,180,001 km (0.112 R)
• M71: 50,973,380 km (0.117 R)
• M72: 51,475,281 km (0.093 R)
• M73: 52,079,806 km (0.056 R)
• M74: 52,585,447 km (0.114 R)
• M75: 52,686,724 km (0.074 R)
• M76: 54,009,618 km (0.099 R)
• M77: 54,931,889 km (0.088 R)
• M78: 56,273,034 km (0.091 R)
• M79: 57,312,141 km (0.07 R)
• M80: 57,938,657 km (0.052 R)
• M81: 60,573,375 km (0.119 R)
• M82: 60,998,532 km (0.118 R)
• M83: 62,709,034 km (0.064 R)
• M84: 64,543,702 km (0.042 R)
• M85: 64,977,835 km (0.11 R)
• M86: 66,834,195 km (0.054 R)
• M87: 67,713,831 km (0.11 R)
• M88: 68,375,951 km (0.049 R)
• M89: 70,487,076 km (0.111 R)
• M90: 70,598,826 km (0.116 R)
• M91: 71,606,816 km (0.105 R)
• M92: 72,619,594 km (0.053 R)
• M93: 75,571,758 km (0.108 R)
• M94: 76,258,562 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 534.9

Radius: 7.9

Gravity: 8.57 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 11.69 AU - 13.65 AU

Year: 20431 Days

Day: 18.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 71,071,114 km

• M1: 169,195 km (0.098 R)
• M2: 299,046 km (0.071 R)
• M3: 504,444 km (0.113 R)
• M4: 603,328 km (0.032 R)
• M5: 1,329,027 km (0.04 R)
• M6: 1,826,141 km (0.066 R)
• M7: 1,888,224 km (0.113 R)
• M8: 3,197,206 km (0.119 R)
• M9: 3,463,340 km (0.072 R)
• M10: 3,540,682 km (0.115 R)
• M11: 3,776,299 km (0.112 R)
• M12: 3,976,461 km (0.079 R)
• M13: 4,471,181 km (0.029 R)
• M14: 4,768,881 km (0.117 R)
• M15: 4,855,049 km (0.089 R)
• M16: 4,985,349 km (0.104 R)
• M17: 5,883,535 km (0.096 R)
• M18: 6,162,684 km (0.046 R)
• M19: 6,541,765 km (0.06 R)
• M20: 8,442,855 km (0.041 R)
• M21: 8,705,100 km (0.036 R)
• M22: 8,863,674 km (0.052 R)
• M23: 10,333,323 km (0.098 R)
• M24: 10,445,223 km (0.049 R)
• M25: 11,585,757 km (0.106 R)
• M26: 11,643,801 km (0.081 R)
• M27: 12,289,016 km (0.118 R)
• M28: 12,645,807 km (0.062 R)
• M29: 12,765,486 km (0.106 R)
• M30: 13,369,562 km (0.057 R)
• M31: 13,430,448 km (0.027 R)
• M32: 13,491,484 km (0.114 R)
• M33: 13,613,855 km (0.092 R)
• M34: 16,461,600 km (0.117 R)
• M35: 16,657,873 km (0.103 R)
• M36: 17,784,494 km (0.108 R)
• M37: 18,120,491 km (0.112 R)
• M38: 18,458,582 km (0.109 R)
• M39: 18,730,551 km (0.097 R)
• M40: 19,278,678 km (0.054 R)
• M41: 19,416,457 km (0.04 R)
• M42: 20,250,166 km (0.112 R)
• M43: 20,601,123 km (0.113 R)
• M44: 21,308,870 km (0.09 R)
• M45: 21,737,319 km (0.043 R)
• M46: 21,880,783 km (0.056 R)
• M47: 24,293,049 km (0.114 R)
• M48: 25,417,127 km (0.061 R)
• M49: 26,099,742 km (0.104 R)
• M50: 26,404,922 km (0.045 R)
• M51: 26,942,128 km (0.084 R)
• M52: 27,173,406 km (0.11 R)
• M53: 27,482,774 km (0.105 R)
• M54: 29,047,419 km (0.073 R)
• M55: 29,205,544 km (0.094 R)
• M56: 30,000,058 km (0.086 R)
• M57: 30,801,603 km (0.116 R)
• M58: 30,882,236 km (0.071 R)
• M59: 37,463,196 km (0.107 R)
• M60: 37,549,066 km (0.087 R)
• M61: 38,412,694 km (0.106 R)
• M62: 39,108,324 km (0.106 R)
• M63: 40,159,399 km (0.076 R)
• M64: 40,247,362 km (0.062 R)
• M65: 40,335,475 km (0.107 R)
• M66: 40,423,589 km (0.078 R)
• M67: 40,511,851 km (0.097 R)
• M68: 41,219,748 km (0.079 R)
• M69: 42,468,592 km (0.077 R)
• M70: 42,737,718 km (0.101 R)
• M71: 44,729,165 km (0.118 R)
• M72: 45,094,483 km (0.085 R)
• M73: 45,186,037 km (0.055 R)
• M74: 47,865,933 km (0.111 R)
• M75: 48,426,776 km (0.113 R)
• M76: 48,614,222 km (0.085 R)
• M77: 50,977,569 km (0.083 R)
• M78: 51,454,636 km (0.109 R)
• M79: 51,645,972 km (0.087 R)
• M80: 52,413,409 km (0.111 R)
• M81: 53,571,596 km (0.116 R)
• M82: 53,668,535 km (0.091 R)
• M83: 53,959,653 km (0.114 R)
• M84: 54,445,846 km (0.119 R)
• M85: 55,226,896 km (0.078 R)
• M86: 56,701,333 km (0.09 R)
• M87: 59,087,269 km (0.045 R)
• M88: 59,488,042 km (0.085 R)
• M89: 59,688,802 km (0.12 R)
• M90: 62,931,336 km (0.082 R)
• M91: 63,238,311 km (0.112 R)
• M92: 67,691,840 km (0.105 R)
• M93: 68,006,294 km (0.115 R)
• M94: 68,321,198 km (0.108 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 287 - 16,761 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit