🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.57 AU - 0.63 AU

Year: 172 Days

Day: 33.8 Hours

Environment

Temp: 197 °C

Axial Tilt: 2.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 85,837,311 km

• M1: 479,611 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.66 AU - 0.84 AU

Year: 241 Days

Day: 41.8 Hours

Environment

Temp: 153 °C

Axial Tilt: 6.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 85,837,311 km

• M1: 300,692 km (0.107 R)
• M2: 314,455 km (0.108 R)

Asteroid Belt

Center: 1.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.52 AU - 2.22 AU

Year: 948 Days

Day: 40.9 Hours

Environment

Temp: -59 °C

Axial Tilt: 11 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.6

Radius: 12.7

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.74 AU - 5.7 AU

Year: 3803 Days

Day: 10.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 85,837,311 km

• M1: 197,020 km (0.091 R)
• M2: 287,677 km (0.112 R)
• M3: 439,070 km (0.041 R)
• M4: 717,322 km (0.05 R)
• M5: 831,764 km (0.086 R)
• M6: 935,286 km (0.03 R)
• M7: 1,043,744 km (0.037 R)
• M8: 1,137,542 km (0.104 R)
• M9: 1,234,482 km (0.09 R)
• M10: 1,521,710 km (0.1 R)
• M11: 1,751,492 km (0.069 R)
• M12: 1,865,037 km (0.026 R)
• M13: 1,981,125 km (0.072 R)
• M14: 2,159,894 km (0.074 R)
• M15: 2,470,160 km (0.065 R)
• M16: 2,715,650 km (0.076 R)
• M17: 2,821,565 km (0.079 R)
• M18: 2,928,827 km (0.055 R)
• M19: 3,175,215 km (0.115 R)
• M20: 3,301,027 km (0.076 R)
• M21: 3,400,060 km (0.046 R)
• M22: 3,630,142 km (0.097 R)
• M23: 4,166,899 km (0.079 R)
• M24: 4,258,752 km (0.042 R)
• M25: 4,398,028 km (0.106 R)
• M26: 4,491,676 km (0.058 R)
• M27: 4,744,646 km (0.05 R)
• M28: 4,840,688 km (0.068 R)
• M29: 5,381,035 km (0.084 R)
• M30: 5,889,070 km (0.102 R)
• M31: 6,061,855 km (0.091 R)
• M32: 6,447,967 km (0.051 R)
• M33: 6,805,955 km (0.103 R)
• M34: 6,932,814 km (0.103 R)
• M35: 7,373,829 km (0.105 R)
• M36: 8,109,850 km (0.077 R)
• M37: 8,205,892 km (0.052 R)
• M38: 8,554,904 km (0.09 R)
• M39: 8,691,935 km (0.092 R)
• M40: 8,849,612 km (0.065 R)
• M41: 8,928,749 km (0.059 R)
• M42: 9,590,570 km (0.048 R)
• M43: 9,794,322 km (0.062 R)
• M44: 9,999,421 km (0.11 R)
• M45: 10,081,999 km (0.065 R)
• M46: 10,268,398 km (0.076 R)
• M47: 10,623,543 km (0.088 R)
• M48: 10,813,233 km (0.092 R)
• M49: 11,025,363 km (0.101 R)
• M50: 11,432,269 km (0.097 R)
• M51: 11,865,804 km (0.045 R)
• M52: 11,953,169 km (0.103 R)
• M53: 12,216,611 km (0.069 R)
• M54: 12,928,398 km (0.047 R)
• M55: 13,153,692 km (0.06 R)
• M56: 13,471,139 km (0.093 R)
• M57: 13,608,021 km (0.103 R)
• M58: 13,883,131 km (0.098 R)
• M59: 13,998,322 km (0.042 R)
• M60: 14,438,887 km (0.08 R)
• M61: 14,743,020 km (0.114 R)
• M62: 14,836,967 km (0.107 R)
• M63: 15,072,883 km (0.081 R)
• M64: 15,309,996 km (0.046 R)
• M65: 15,476,648 km (0.11 R)
• M66: 15,763,876 km (0.112 R)
• M67: 16,028,813 km (0.083 R)
• M68: 16,246,628 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.6

Radius: 9.7

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.61 AU - 6.33 AU

Year: 4744 Days

Day: 14.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 85,837,311 km

• M1: 127,308 km (0.115 R)
• M2: 273,315 km (0.098 R)
• M3: 480,359 km (0.077 R)
• M4: 586,424 km (0.067 R)
• M5: 679,324 km (0.114 R)
• M6: 754,422 km (0.059 R)
• M7: 872,754 km (0.111 R)
• M8: 955,332 km (0.104 R)
• M9: 1,093,411 km (0.106 R)
• M10: 1,228,947 km (0.094 R)
• M11: 1,409,062 km (0.111 R)
• M12: 1,721,572 km (0.063 R)
• M13: 1,795,174 km (0.054 R)
• M14: 2,033,633 km (0.047 R)
• M15: 2,236,488 km (0.117 R)
• M16: 2,352,127 km (0.072 R)
• M17: 2,422,438 km (0.109 R)
• M18: 3,023,373 km (0.098 R)
• M19: 3,190,474 km (0.093 R)
• M20: 3,560,729 km (0.117 R)
• M21: 3,875,183 km (0.083 R)
• M22: 4,014,758 km (0.091 R)
• M23: 4,270,271 km (0.114 R)
• M24: 4,371,100 km (0.084 R)
• M25: 4,458,017 km (0.093 R)
• M26: 4,648,604 km (0.113 R)
• M27: 4,992,530 km (0.067 R)
• M28: 5,083,485 km (0.108 R)
• M29: 5,144,521 km (0.084 R)
• M30: 5,298,158 km (0.075 R)
• M31: 5,943,972 km (0.049 R)
• M32: 6,137,701 km (0.088 R)
• M33: 6,399,199 km (0.066 R)
• M34: 6,481,777 km (0.099 R)
• M35: 6,597,864 km (0.076 R)
• M36: 6,731,455 km (0.07 R)
• M37: 6,849,039 km (0.046 R)
• M38: 7,120,410 km (0.071 R)
• M39: 7,291,849 km (0.119 R)
• M40: 7,412,574 km (0.043 R)
• M41: 8,348,908 km (0.082 R)
• M42: 8,565,974 km (0.082 R)
• M43: 8,657,079 km (0.059 R)
• M44: 9,079,992 km (0.112 R)
• M45: 9,396,990 km (0.105 R)
• M46: 9,547,336 km (0.12 R)
• M47: 9,850,721 km (0.072 R)
• M48: 10,041,757 km (0.113 R)
• M49: 10,118,650 km (0.066 R)
• M50: 10,214,991 km (0.103 R)
• M51: 10,330,930 km (0.047 R)
• M52: 10,408,421 km (0.081 R)
• M53: 10,505,660 km (0.085 R)
• M54: 10,858,113 km (0.093 R)
• M55: 11,194,558 km (0.119 R)
• M56: 11,534,445 km (0.114 R)
• M57: 11,655,170 km (0.091 R)
• M58: 11,816,885 km (0.071 R)
• M59: 12,142,560 km (0.104 R)
• M60: 12,471,226 km (0.114 R)
• M61: 12,657,326 km (0.101 R)
• M62: 12,761,147 km (0.082 R)
• M63: 13,011,424 km (0.105 R)
• M64: 13,347,720 km (0.081 R)
• M65: 13,432,243 km (0.079 R)
• M66: 13,559,252 km (0.105 R)
• M67: 13,665,616 km (0.089 R)
• M68: 14,179,335 km (0.061 R)
• M69: 14,416,896 km (0.11 R)
• M70: 14,547,047 km (0.072 R)
• M71: 14,634,113 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.8

Radius: 9.5

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 6.57 AU - 8.21 AU

Year: 7450 Days

Day: 14.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 85,837,311 km

• M1: 119,230 km (0.112 R)
• M2: 189,989 km (0.092 R)
• M3: 295,157 km (0.09 R)
• M4: 480,808 km (0.118 R)
• M5: 668,254 km (0.101 R)
• M6: 866,022 km (0.095 R)
• M7: 1,174,942 km (0.115 R)
• M8: 1,872,517 km (0.066 R)
• M9: 2,059,663 km (0.113 R)
• M10: 2,233,496 km (0.108 R)
• M11: 2,351,978 km (0.119 R)
• M12: 2,554,384 km (0.097 R)
• M13: 2,868,838 km (0.09 R)
• M14: 3,085,306 km (0.072 R)
• M15: 3,173,420 km (0.104 R)
• M16: 3,374,928 km (0.075 R)
• M17: 3,557,437 km (0.1 R)
• M18: 3,908,693 km (0.101 R)
• M19: 4,124,712 km (0.115 R)
• M20: 4,222,101 km (0.089 R)
• M21: 4,644,266 km (0.047 R)
• M22: 5,080,044 km (0.085 R)
• M23: 5,158,284 km (0.079 R)
• M24: 5,528,988 km (0.119 R)
• M25: 5,744,708 km (0.119 R)
• M26: 6,156,551 km (0.074 R)
• M27: 6,240,176 km (0.056 R)
• M28: 7,125,496 km (0.074 R)
• M29: 7,271,952 km (0.086 R)
• M30: 7,419,456 km (0.066 R)
• M31: 7,478,846 km (0.082 R)
• M32: 8,916,931 km (0.075 R)
• M33: 9,489,891 km (0.1 R)
• M34: 9,618,844 km (0.11 R)
• M35: 9,716,083 km (0.111 R)
• M36: 9,813,471 km (0.074 R)
• M37: 10,074,968 km (0.059 R)
• M38: 10,906,732 km (0.102 R)
• M39: 12,003,284 km (0.11 R)
• M40: 13,206,650 km (0.095 R)
• M41: 13,422,968 km (0.117 R)
• M42: 13,932,349 km (0.107 R)
• M43: 15,346,647 km (0.106 R)
• M44: 15,612,034 km (0.091 R)
• M45: 15,802,621 km (0.11 R)
• M46: 15,917,363 km (0.096 R)
• M47: 15,994,107 km (0.087 R)
• M48: 16,379,022 km (0.071 R)
• M49: 16,689,288 km (0.114 R)
• M50: 16,845,169 km (0.074 R)
• M51: 16,962,304 km (0.111 R)
• M52: 17,118,933 km (0.032 R)
• M53: 17,236,816 km (0.055 R)
• M54: 17,512,824 km (0.053 R)
• M55: 17,710,892 km (0.032 R)
• M56: 18,149,214 km (0.108 R)
• M57: 18,631,368 km (0.055 R)
• M58: 18,793,083 km (0.115 R)
• M59: 19,608,541 km (0.106 R)
• M60: 20,477,106 km (0.061 R)
• M61: 20,685,795 km (0.09 R)
• M62: 20,895,232 km (0.116 R)
• M63: 21,273,864 km (0.12 R)
• M64: 22,038,010 km (0.106 R)
• M65: 23,505,715 km (0.112 R)
• M66: 23,899,457 km (0.114 R)
• M67: 24,649,241 km (0.12 R)
• M68: 25,227,886 km (0.119 R)
• M69: 25,631,052 km (0.086 R)
• M70: 25,991,284 km (0.032 R)
• M71: 26,262,505 km (0.08 R)
• M72: 26,353,161 km (0.118 R)
• M73: 26,716,684 km (0.083 R)
• M74: 26,944,671 km (0.105 R)
• M75: 27,219,183 km (0.098 R)
• M76: 28,792,205 km (0.08 R)
• M77: 28,979,202 km (0.071 R)
• M78: 29,873,049 km (0.106 R)
• M79: 31,110,822 km (0.087 R)
• M80: 31,832,482 km (0.102 R)
• M81: 32,316,581 km (0.087 R)
• M82: 32,559,677 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.6

Radius: 8.4

Gravity: 11.32 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 6 AU - 9.38 AU

Year: 7908 Days

Day: 6.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 85,837,311 km

• M1: 119,678 km (0.078 R)
• M2: 264,489 km (0.076 R)
• M3: 316,998 km (0.082 R)
• M4: 448,794 km (0.087 R)
• M5: 501,751 km (0.045 R)
• M6: 705,653 km (0.068 R)
• M7: 884,572 km (0.049 R)
• M8: 1,115,103 km (0.05 R)
• M9: 1,208,900 km (0.106 R)
• M10: 1,266,496 km (0.087 R)
• M11: 1,325,138 km (0.104 R)
• M12: 1,674,599 km (0.102 R)
• M13: 1,782,907 km (0.047 R)
• M14: 2,286,903 km (0.068 R)
• M15: 2,554,982 km (0.077 R)
• M16: 2,884,845 km (0.063 R)
• M17: 3,094,582 km (0.057 R)
• M18: 3,363,858 km (0.113 R)
• M19: 3,725,286 km (0.105 R)
• M20: 3,781,984 km (0.091 R)
• M21: 3,953,872 km (0.071 R)
• M22: 4,976,224 km (0.082 R)
• M23: 7,000,283 km (0.058 R)
• M24: 7,211,814 km (0.058 R)
• M25: 7,568,904 km (0.088 R)
• M26: 7,858,825 km (0.046 R)
• M27: 7,968,331 km (0.053 R)
• M28: 8,041,783 km (0.093 R)
• M29: 8,561,785 km (0.089 R)
• M30: 8,939,819 km (0.105 R)
• M31: 9,016,114 km (0.069 R)
• M32: 9,169,302 km (0.091 R)
• M33: 9,478,371 km (0.095 R)
• M34: 9,712,343 km (0.065 R)
• M35: 9,790,732 km (0.05 R)
• M36: 9,987,752 km (0.078 R)
• M37: 10,425,775 km (0.104 R)
• M38: 10,707,916 km (0.118 R)
• M39: 11,693,916 km (0.092 R)
• M40: 12,197,612 km (0.115 R)
• M41: 12,880,526 km (0.075 R)
• M42: 13,053,162 km (0.042 R)
• M43: 13,663,522 km (0.103 R)
• M44: 14,060,704 km (0.057 R)
• M45: 16,010,712 km (0.108 R)
• M46: 17,135,389 km (0.115 R)
• M47: 17,755,322 km (0.065 R)
• M48: 17,995,577 km (0.1 R)
• M49: 18,140,387 km (0.107 R)
• M50: 18,431,056 km (0.117 R)
• M51: 19,312,188 km (0.104 R)
• M52: 19,857,322 km (0.07 R)
• M53: 20,006,920 km (0.117 R)
• M54: 21,472,082 km (0.083 R)
• M55: 21,779,655 km (0.036 R)
• M56: 21,882,429 km (0.076 R)
• M57: 22,088,425 km (0.117 R)
• M58: 22,658,542 km (0.068 R)
• M59: 24,131,483 km (0.096 R)
• M60: 24,504,580 km (0.118 R)
• M61: 26,837,858 km (0.046 R)
• M62: 27,003,164 km (0.103 R)
• M63: 27,058,365 km (0.063 R)
• M64: 27,612,625 km (0.095 R)
• M65: 28,507,221 km (0.039 R)
• M66: 29,809,620 km (0.061 R)
• M67: 32,943,097 km (0.079 R)
• M68: 33,179,461 km (0.117 R)
• M69: 33,238,552 km (0.085 R)
• M70: 33,297,793 km (0.072 R)
• M71: 33,832,007 km (0.054 R)
• M72: 33,891,547 km (0.111 R)
• M73: 34,428,903 km (0.105 R)
• M74: 34,668,708 km (0.065 R)
• M75: 35,451,703 km (0.096 R)
• M76: 35,572,728 km (0.084 R)
• M77: 36,362,455 km (0.086 R)
• M78: 36,606,599 km (0.099 R)
• M79: 36,851,341 km (0.118 R)
• M80: 37,342,321 km (0.094 R)
• M81: 37,588,709 km (0.091 R)
• M82: 37,959,263 km (0.068 R)
• M83: 38,828,427 km (0.104 R)
• M84: 38,890,809 km (0.072 R)
• M85: 40,776,490 km (0.107 R)
• M86: 41,347,954 km (0.059 R)
• M87: 41,922,111 km (0.101 R)
• M88: 42,050,017 km (0.094 R)
• M89: 43,142,829 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 845.8

Radius: 6.3

Gravity: 21.31 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 13.33 AU - 16.69 AU

Year: 21566 Days

Day: 17.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 85,837,311 km

• M1: 285,433 km (0.099 R)
• M2: 377,435 km (0.051 R)
• M3: 639,830 km (0.08 R)
• M4: 790,326 km (0.097 R)
• M5: 980,165 km (0.109 R)
• M6: 1,066,034 km (0.078 R)
• M7: 1,214,884 km (0.117 R)
• M8: 1,276,219 km (0.064 R)
• M9: 1,434,494 km (0.037 R)
• M10: 1,532,481 km (0.104 R)
• M11: 1,666,670 km (0.058 R)
• M12: 1,910,664 km (0.103 R)
• M13: 2,203,577 km (0.098 R)
• M14: 2,278,974 km (0.058 R)
• M15: 2,629,183 km (0.072 R)
• M16: 3,335,883 km (0.101 R)
• M17: 3,598,876 km (0.113 R)
• M18: 4,522,643 km (0.076 R)
• M19: 5,464,361 km (0.116 R)
• M20: 6,356,563 km (0.106 R)
• M21: 6,627,485 km (0.078 R)
• M22: 8,272,463 km (0.084 R)
• M23: 9,170,200 km (0.092 R)
• M24: 9,848,028 km (0.107 R)
• M25: 9,910,410 km (0.102 R)
• M26: 10,862,601 km (0.1 R)
• M27: 12,109,948 km (0.057 R)
• M28: 12,176,967 km (0.098 R)
• M29: 12,513,263 km (0.12 R)
• M30: 12,784,634 km (0.104 R)
• M31: 12,989,284 km (0.084 R)
• M32: 13,195,131 km (0.074 R)
• M33: 13,749,391 km (0.104 R)
• M34: 13,889,115 km (0.074 R)
• M35: 16,855,790 km (0.117 R)
• M36: 19,457,746 km (0.077 R)
• M37: 20,405,598 km (0.085 R)
• M38: 23,005,609 km (0.104 R)
• M39: 23,504,518 km (0.1 R)
• M40: 24,007,167 km (0.093 R)
• M41: 24,091,241 km (0.088 R)
• M42: 24,682,751 km (0.081 R)
• M43: 26,052,619 km (0.117 R)
• M44: 27,534,984 km (0.089 R)
• M45: 27,799,473 km (0.064 R)
• M46: 29,403,611 km (0.106 R)
• M47: 29,764,292 km (0.1 R)
• M48: 33,825,724 km (0.07 R)
• M49: 34,109,063 km (0.083 R)
• M50: 34,677,684 km (0.103 R)
• M51: 35,536,675 km (0.087 R)
• M52: 35,728,609 km (0.104 R)
• M53: 36,983,885 km (0.093 R)
• M54: 40,835,581 km (0.076 R)
• M55: 41,439,508 km (0.028 R)
• M56: 42,046,277 km (0.074 R)
• M57: 42,859,790 km (0.092 R)
• M58: 42,961,816 km (0.078 R)
• M59: 43,884,087 km (0.076 R)
• M60: 44,089,933 km (0.115 R)
• M61: 44,502,524 km (0.08 R)
• M62: 45,956,615 km (0.102 R)
• M63: 46,375,041 km (0.119 R)
• M64: 46,479,759 km (0.081 R)
• M65: 48,591,932 km (0.114 R)
• M66: 49,231,762 km (0.114 R)
• M67: 50,088,957 km (0.068 R)
• M68: 50,411,790 km (0.064 R)
• M69: 50,843,230 km (0.118 R)
• M70: 51,275,867 km (0.066 R)
• M71: 52,581,108 km (0.049 R)
• M72: 52,799,820 km (0.078 R)
• M73: 53,677,212 km (0.103 R)
• M74: 53,787,166 km (0.071 R)
• M75: 54,117,778 km (0.088 R)
• M76: 55,891,859 km (0.1 R)
• M77: 56,114,909 km (0.071 R)
• M78: 58,249,222 km (0.063 R)
• M79: 60,638,898 km (0.095 R)
• M80: 61,327,497 km (0.037 R)
• M81: 62,365,258 km (0.117 R)
• M82: 63,641,477 km (0.072 R)
• M83: 65,160,943 km (0.106 R)
• M84: 65,395,662 km (0.105 R)
• M85: 65,630,830 km (0.12 R)
• M86: 66,455,862 km (0.11 R)
• M87: 68,473,788 km (0.118 R)
• M88: 69,430,317 km (0.096 R)
• M89: 69,910,376 km (0.084 R)
• M90: 75,385,060 km (0.047 R)
• M91: 76,496,422 km (0.107 R)
• M92: 76,992,040 km (0.09 R)
• M93: 79,737,311 km (0.071 R)
• M94: 82,514,595 km (0.097 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 210 - 17,363 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit