🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.41 AU - 0.67 AU

Year: 260 Days

Day: 30.6 Hours

Environment

Temp: -118 °C

Axial Tilt: 38.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.53 AU - 0.69 AU

Year: 313 Days

Day: 31.9 Hours

Environment

Temp: -122 °C

Axial Tilt: 8.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,394,055 km

• M1: 143,165 km (0.096 R)

Asteroid Belt

Center: 0.9 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.5

Radius: 9.9

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.12 AU - 1.24 AU

Year: 841 Days

Day: 12.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 86,394,055 km

• M1: 127,009 km (0.084 R)
• M2: 213,177 km (0.056 R)
• M3: 336,146 km (0.108 R)
• M4: 485,445 km (0.105 R)
• M5: 548,575 km (0.089 R)
• M6: 669,301 km (0.115 R)
• M7: 848,818 km (0.082 R)
• M8: 921,822 km (0.098 R)
• M9: 985,252 km (0.101 R)
• M10: 1,111,063 km (0.045 R)
• M11: 1,339,499 km (0.097 R)
• M12: 1,473,090 km (0.049 R)
• M13: 1,682,078 km (0.075 R)
• M14: 1,915,750 km (0.106 R)
• M15: 1,983,369 km (0.085 R)
• M16: 2,175,602 km (0.108 R)
• M17: 2,594,925 km (0.11 R)
• M18: 2,670,172 km (0.083 R)
• M19: 2,763,073 km (0.115 R)
• M20: 2,848,493 km (0.083 R)
• M21: 3,163,546 km (0.05 R)
• M22: 3,244,030 km (0.11 R)
• M23: 3,352,488 km (0.119 R)
• M24: 3,416,217 km (0.045 R)
• M25: 3,498,945 km (0.103 R)
• M26: 3,703,894 km (0.092 R)
• M27: 3,788,865 km (0.052 R)
• M28: 3,903,158 km (0.09 R)
• M29: 4,096,438 km (0.064 R)
• M30: 4,342,377 km (0.117 R)
• M31: 4,412,090 km (0.118 R)
• M32: 4,502,298 km (0.092 R)
• M33: 4,572,908 km (0.099 R)
• M34: 4,776,660 km (0.076 R)
• M35: 4,931,494 km (0.118 R)
• M36: 5,035,614 km (0.118 R)
• M37: 5,108,917 km (0.114 R)
• M38: 5,395,247 km (0.081 R)
• M39: 5,939,335 km (0.098 R)
• M40: 6,094,767 km (0.108 R)
• M41: 6,319,313 km (0.038 R)
• M42: 6,443,928 km (0.097 R)
• M43: 6,638,106 km (0.119 R)
• M44: 6,822,710 km (0.032 R)
• M45: 7,055,933 km (0.09 R)
• M46: 7,267,913 km (0.053 R)
• M47: 8,063,624 km (0.085 R)
• M48: 8,186,594 km (0.105 R)
• M49: 8,310,162 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.6

Radius: 8.5

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.31 AU - 1.57 AU

Year: 1134 Days

Day: 13.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 86,394,055 km

• M1: 107,262 km (0.052 R)
• M2: 177,573 km (0.052 R)
• M3: 312,809 km (0.048 R)
• M4: 436,826 km (0.119 R)
• M5: 537,954 km (0.075 R)
• M6: 620,831 km (0.098 R)
• M7: 702,811 km (0.065 R)
• M8: 806,333 km (0.096 R)
• M9: 946,506 km (0.1 R)
• M10: 1,009,935 km (0.089 R)
• M11: 1,209,499 km (0.119 R)
• M12: 1,307,037 km (0.079 R)
• M13: 1,443,769 km (0.094 R)
• M14: 1,826,291 km (0.114 R)
• M15: 1,988,156 km (0.082 R)
• M16: 2,079,111 km (0.116 R)
• M17: 2,137,754 km (0.074 R)
• M18: 2,214,048 km (0.118 R)
• M19: 2,334,475 km (0.087 R)
• M20: 2,448,319 km (0.097 R)
• M21: 2,528,204 km (0.053 R)
• M22: 2,819,471 km (0.12 R)
• M23: 2,912,671 km (0.115 R)
• M24: 2,969,069 km (0.071 R)
• M25: 3,044,915 km (0.091 R)
• M26: 3,159,956 km (0.115 R)
• M27: 3,256,895 km (0.117 R)
• M28: 3,364,755 km (0.098 R)
• M29: 3,423,996 km (0.102 R)
• M30: 3,493,709 km (0.05 R)
• M31: 3,563,870 km (0.083 R)
• M32: 3,634,480 km (0.082 R)
• M33: 3,890,442 km (0.115 R)
• M34: 4,036,450 km (0.046 R)
• M35: 4,163,010 km (0.099 R)
• M36: 4,312,308 km (0.043 R)
• M37: 4,550,618 km (0.102 R)
• M38: 4,726,694 km (0.086 R)
• M39: 4,793,265 km (0.084 R)
• M40: 5,222,312 km (0.047 R)
• M41: 5,581,497 km (0.115 R)
• M42: 5,675,444 km (0.103 R)
• M43: 5,960,727 km (0.097 R)
• M44: 6,032,684 km (0.104 R)
• M45: 6,214,146 km (0.1 R)
• M46: 6,397,254 km (0.108 R)
• M47: 6,606,990 km (0.1 R)
• M48: 6,681,639 km (0.099 R)
• M49: 6,856,818 km (0.082 R)
• M50: 6,944,932 km (0.067 R)
• M51: 7,058,776 km (0.085 R)
• M52: 7,211,515 km (0.074 R)
• M53: 7,301,274 km (0.088 R)
• M54: 7,468,674 km (0.093 R)
• M55: 7,533,450 km (0.068 R)
• M56: 7,650,435 km (0.073 R)
• M57: 7,846,857 km (0.066 R)
• M58: 7,991,967 km (0.113 R)
• M59: 8,124,660 km (0.083 R)
• M60: 8,218,009 km (0.025 R)
• M61: 8,513,615 km (0.058 R)
• M62: 8,635,687 km (0.056 R)
• M63: 8,689,991 km (0.117 R)
• M64: 9,060,096 km (0.098 R)
• M65: 9,156,886 km (0.097 R)
• M66: 9,226,299 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.3

Radius: 13.9

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.5 AU - 4.12 AU

Year: 4879 Days

Day: 7.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 86,394,055 km

• M1: 243,545 km (0.107 R)
• M2: 348,413 km (0.047 R)
• M3: 461,659 km (0.085 R)
• M4: 571,314 km (0.067 R)
• M5: 657,931 km (0.047 R)
• M6: 750,233 km (0.108 R)
• M7: 898,335 km (0.083 R)
• M8: 989,740 km (0.102 R)
• M9: 1,154,746 km (0.092 R)
• M10: 1,270,086 km (0.04 R)
• M11: 1,529,189 km (0.099 R)
• M12: 1,641,089 km (0.118 R)
• M13: 1,942,080 km (0.05 R)
• M14: 2,134,911 km (0.118 R)
• M15: 2,315,925 km (0.088 R)
• M16: 2,521,173 km (0.119 R)
• M17: 2,810,944 km (0.108 R)
• M18: 2,990,013 km (0.11 R)
• M19: 3,132,131 km (0.06 R)
• M20: 3,401,856 km (0.11 R)
• M21: 3,810,258 km (0.099 R)
• M22: 3,898,221 km (0.096 R)
• M23: 4,302,734 km (0.091 R)
• M24: 5,031,276 km (0.042 R)
• M25: 5,250,137 km (0.071 R)
• M26: 5,372,957 km (0.107 R)
• M27: 5,571,773 km (0.05 R)
• M28: 5,874,409 km (0.08 R)
• M29: 6,027,747 km (0.105 R)
• M30: 6,390,971 km (0.054 R)
• M31: 6,496,138 km (0.07 R)
• M32: 6,654,861 km (0.037 R)
• M33: 8,687,747 km (0.045 R)
• M34: 8,980,360 km (0.078 R)
• M35: 9,127,864 km (0.065 R)
• M36: 9,969,053 km (0.117 R)
• M37: 10,091,274 km (0.114 R)
• M38: 10,460,781 km (0.078 R)
• M39: 10,584,947 km (0.106 R)
• M40: 11,660,556 km (0.103 R)
• M41: 12,211,375 km (0.082 R)
• M42: 12,638,327 km (0.11 R)
• M43: 13,036,856 km (0.088 R)
• M44: 13,170,597 km (0.088 R)
• M45: 14,533,433 km (0.09 R)
• M46: 15,161,295 km (0.052 R)
• M47: 15,584,807 km (0.07 R)
• M48: 15,726,775 km (0.116 R)
• M49: 15,869,342 km (0.12 R)
• M50: 18,132,160 km (0.119 R)
• M51: 18,281,608 km (0.084 R)
• M52: 18,770,194 km (0.083 R)
• M53: 19,148,976 km (0.101 R)
• M54: 20,145,597 km (0.061 R)
• M55: 20,533,355 km (0.106 R)
• M56: 22,429,059 km (0.091 R)
• M57: 23,479,236 km (0.096 R)
• M58: 23,764,669 km (0.095 R)
• M59: 24,462,693 km (0.108 R)
• M60: 24,669,437 km (0.1 R)
• M61: 25,001,095 km (0.103 R)
• M62: 25,376,137 km (0.096 R)
• M63: 25,585,275 km (0.1 R)
• M64: 26,047,532 km (0.097 R)
• M65: 26,427,661 km (0.093 R)
• M66: 26,809,734 km (0.088 R)
• M67: 26,980,126 km (0.114 R)
• M68: 27,794,387 km (0.043 R)
• M69: 27,923,639 km (0.111 R)
• M70: 28,486,277 km (0.113 R)
• M71: 28,790,858 km (0.101 R)
• M72: 29,227,684 km (0.054 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 425.4

Radius: 5

Gravity: 17.02 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 6.37 AU - 9.37 AU

Year: 14483 Days

Day: 21.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 86,394,055 km

• M1: 63,878 km (0.073 R)
• M2: 114,442 km (0.042 R)
• M3: 419,323 km (0.075 R)
• M4: 528,380 km (0.104 R)
• M5: 792,570 km (0.114 R)
• M6: 948,750 km (0.099 R)
• M7: 1,335,161 km (0.073 R)
• M8: 1,715,738 km (0.101 R)
• M9: 1,943,875 km (0.077 R)
• M10: 2,074,773 km (0.085 R)
• M11: 2,262,967 km (0.042 R)
• M12: 2,771,899 km (0.092 R)
• M13: 3,191,371 km (0.095 R)
• M14: 3,534,848 km (0.115 R)
• M15: 3,889,993 km (0.072 R)
• M16: 4,022,088 km (0.118 R)
• M17: 4,189,040 km (0.074 R)
• M18: 4,809,272 km (0.101 R)
• M19: 5,130,010 km (0.101 R)
• M20: 5,420,978 km (0.065 R)
• M21: 5,942,925 km (0.11 R)
• M22: 6,364,342 km (0.108 R)
• M23: 6,598,164 km (0.119 R)
• M24: 6,716,196 km (0.079 R)
• M25: 6,795,184 km (0.106 R)
• M26: 6,834,828 km (0.104 R)
• M27: 6,994,149 km (0.091 R)
• M28: 7,074,334 km (0.041 R)
• M29: 7,235,600 km (0.115 R)
• M30: 7,479,594 km (0.053 R)
• M31: 7,561,574 km (0.065 R)
• M32: 7,934,073 km (0.04 R)
• M33: 8,185,696 km (0.071 R)
• M34: 8,397,527 km (0.116 R)
• M35: 9,262,352 km (0.095 R)
• M36: 9,660,731 km (0.104 R)
• M37: 9,839,501 km (0.076 R)
• M38: 10,245,958 km (0.11 R)
• M39: 10,382,691 km (0.069 R)
• M40: 10,520,021 km (0.09 R)
• M41: 11,356,423 km (0.119 R)
• M42: 11,403,397 km (0.075 R)
• M43: 12,699,363 km (0.067 R)
• M44: 12,797,200 km (0.103 R)
• M45: 12,895,187 km (0.085 R)
• M46: 14,294,525 km (0.112 R)
• M47: 14,651,765 km (0.118 R)
• M48: 15,063,608 km (0.071 R)
• M49: 15,375,071 km (0.051 R)
• M50: 15,479,340 km (0.04 R)
• M51: 15,951,621 km (0.064 R)
• M52: 16,163,003 km (0.103 R)
• M53: 17,559,499 km (0.093 R)
• M54: 18,770,942 km (0.025 R)
• M55: 19,162,141 km (0.083 R)
• M56: 20,638,223 km (0.099 R)
• M57: 20,984,093 km (0.066 R)
• M58: 21,273,715 km (0.085 R)
• M59: 21,974,282 km (0.039 R)
• M60: 22,209,449 km (0.079 R)
• M61: 22,268,391 km (0.087 R)
• M62: 22,504,606 km (0.056 R)
• M63: 23,098,809 km (0.117 R)
• M64: 24,606,755 km (0.052 R)
• M65: 28,225,677 km (0.119 R)
• M66: 28,289,556 km (0.106 R)
• M67: 29,252,966 km (0.097 R)
• M68: 29,446,845 km (0.115 R)
• M69: 30,292,222 km (0.106 R)
• M70: 30,488,495 km (0.117 R)
• M71: 31,343,746 km (0.11 R)
• M72: 31,475,990 km (0.111 R)
• M73: 31,807,499 km (0.118 R)
• M74: 32,607,698 km (0.116 R)
• M75: 32,808,907 km (0.047 R)
• M76: 33,077,585 km (0.085 R)
• M77: 35,943,581 km (0.063 R)
• M78: 37,336,038 km (0.119 R)
• M79: 38,250,680 km (0.105 R)
• M80: 39,743,517 km (0.062 R)
• M81: 39,815,024 km (0.063 R)
• M82: 40,101,654 km (0.03 R)
• M83: 40,749,263 km (0.111 R)
• M84: 41,327,758 km (0.06 R)
• M85: 42,200,512 km (0.109 R)
• M86: 43,152,852 km (0.115 R)
• M87: 43,373,659 km (0.074 R)
• M88: 44,483,226 km (0.115 R)
• M89: 44,929,776 km (0.094 R)
• M90: 45,153,425 km (0.115 R)
• M91: 46,428,597 km (0.064 R)
• M92: 47,487,450 km (0.102 R)
• M93: 48,784,015 km (0.115 R)
• M94: 49,783,179 km (0.067 R)
• M95: 50,789,225 km (0.114 R)
• M96: 51,100,089 km (0.119 R)
• M97: 51,958,332 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 10.2

Radius: 7.4

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 7.93 AU - 12.17 AU

Year: 20901 Days

Day: 21.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 86,394,055 km

• M1: 96,939 km (0.078 R)
• M2: 840,142 km (0.101 R)
• M3: 1,228,947 km (0.095 R)
• M4: 1,460,524 km (0.088 R)
• M5: 2,125,935 km (0.099 R)
• M6: 2,518,929 km (0.118 R)
• M7: 3,213,063 km (0.056 R)
• M8: 3,291,901 km (0.084 R)
• M9: 3,548,611 km (0.072 R)
• M10: 3,630,292 km (0.071 R)
• M11: 3,695,965 km (0.119 R)
• M12: 3,762,087 km (0.047 R)
• M13: 5,055,062 km (0.107 R)
• M14: 5,482,762 km (0.043 R)
• M15: 7,853,589 km (0.09 R)
• M16: 8,742,350 km (0.097 R)
• M17: 9,097,795 km (0.025 R)
• M18: 9,617,049 km (0.093 R)
• M19: 10,099,502 km (0.109 R)
• M20: 11,861,914 km (0.056 R)
• M21: 11,910,833 km (0.059 R)
• M22: 12,928,846 km (0.12 R)
• M23: 13,029,675 km (0.064 R)
• M24: 13,948,655 km (0.076 R)
• M25: 15,419,501 km (0.074 R)
• M26: 15,526,314 km (0.097 R)
• M27: 16,118,871 km (0.095 R)
• M28: 18,222,217 km (0.045 R)
• M29: 18,307,039 km (0.086 R)
• M30: 18,789,941 km (0.07 R)
• M31: 19,277,182 km (0.055 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 910

Radius: 3.6

Gravity: 70.22 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 8.63 AU - 11.53 AU

Year: 20994 Days

Day: 21.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 86,394,055 km

• M1: 307,573 km (0.08 R)
• M2: 539,001 km (0.1 R)
• M3: 814,710 km (0.087 R)
• M4: 952,789 km (0.075 R)
• M5: 1,219,821 km (0.096 R)
• M6: 1,643,931 km (0.111 R)
• M7: 1,747,902 km (0.11 R)
• M8: 2,337,467 km (0.086 R)
• M9: 2,493,797 km (0.084 R)
• M10: 2,653,417 km (0.106 R)
• M11: 2,899,207 km (0.089 R)
• M12: 2,940,795 km (0.038 R)
• M13: 4,138,924 km (0.114 R)
• M14: 4,375,588 km (0.083 R)
• M15: 5,212,439 km (0.088 R)
• M16: 5,263,152 km (0.089 R)
• M17: 5,832,223 km (0.106 R)
• M18: 6,584,101 km (0.04 R)
• M19: 6,749,258 km (0.047 R)
• M20: 6,804,609 km (0.097 R)
• M21: 7,083,459 km (0.095 R)
• M22: 9,322,042 km (0.1 R)
• M23: 9,507,393 km (0.086 R)
• M24: 10,007,499 km (0.039 R)
• M25: 10,903,291 km (0.111 R)
• M26: 11,558,530 km (0.093 R)
• M27: 11,624,802 km (0.088 R)
• M28: 11,891,086 km (0.028 R)
• M29: 12,294,103 km (0.09 R)
• M30: 12,565,324 km (0.103 R)
• M31: 13,529,931 km (0.043 R)
• M32: 13,599,793 km (0.116 R)
• M33: 15,969,722 km (0.085 R)
• M34: 16,265,477 km (0.105 R)
• M35: 16,937,621 km (0.078 R)
• M36: 18,929,815 km (0.088 R)
• M37: 20,192,122 km (0.063 R)
• M38: 20,431,778 km (0.097 R)
• M39: 20,913,932 km (0.049 R)
• M40: 22,300,405 km (0.117 R)
• M41: 23,129,776 km (0.09 R)
• M42: 25,246,885 km (0.026 R)
• M43: 28,491,812 km (0.101 R)
• M44: 28,581,272 km (0.086 R)
• M45: 28,940,157 km (0.096 R)
• M46: 31,772,194 km (0.066 R)
• M47: 35,265,903 km (0.075 R)
• M48: 35,458,136 km (0.08 R)
• M49: 36,424,838 km (0.062 R)
• M50: 36,911,330 km (0.059 R)
• M51: 39,476,036 km (0.098 R)
• M52: 41,690,533 km (0.083 R)
• M53: 42,097,589 km (0.099 R)
• M54: 42,301,491 km (0.108 R)
• M55: 43,223,462 km (0.083 R)
• M56: 43,326,386 km (0.074 R)
• M57: 44,774,643 km (0.088 R)
• M58: 45,923,854 km (0.051 R)
• M59: 48,892,324 km (0.04 R)
• M60: 53,239,189 km (0.102 R)
• M61: 53,680,653 km (0.115 R)
• M62: 53,791,206 km (0.052 R)
• M63: 53,901,908 km (0.11 R)
• M64: 55,346,874 km (0.105 R)
• M65: 55,570,373 km (0.074 R)
• M66: 56,018,119 km (0.069 R)
• M67: 57,255,743 km (0.109 R)
• M68: 59,986,951 km (0.06 R)
• M69: 62,760,346 km (0.104 R)
• M70: 63,577,150 km (0.096 R)
• M71: 63,694,136 km (0.063 R)
• M72: 64,279,961 km (0.028 R)
• M73: 64,514,830 km (0.112 R)
• M74: 65,693,511 km (0.108 R)
• M75: 65,811,694 km (0.06 R)
• M76: 67,236,314 km (0.101 R)
• M77: 68,670,958 km (0.046 R)
• M78: 70,357,375 km (0.111 R)
• M79: 71,448,841 km (0.095 R)
• M80: 74,139,957 km (0.09 R)
• M81: 75,250,571 km (0.068 R)
• M82: 76,988,899 km (0.085 R)
• M83: 77,988,063 km (0.113 R)
• M84: 78,113,276 km (0.112 R)
• M85: 78,364,002 km (0.075 R)
• M86: 78,740,390 km (0.099 R)
• M87: 79,117,377 km (0.112 R)
• M88: 79,495,112 km (0.111 R)
• M89: 80,631,607 km (0.112 R)
• M90: 81,265,303 km (0.102 R)
• M91: 82,282,569 km (0.109 R)
• M92: 83,560,284 km (0.073 R)
• M93: 84,715,778 km (0.117 R)
• M94: 84,844,432 km (0.104 R)
• M95: 86,394,117 km (0.057 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: 368 - 15,721 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit