🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.58 AU - 0.78 AU

Year: 216 Days

Day: 12.5 Hours

Environment

Temp: 124 °C

Axial Tilt: 26.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.63 AU - 0.85 AU

Year: 245 Days

Day: 28.2 Hours

Environment

Temp: 148 °C

Axial Tilt: 25.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.8 AU - 1.18 AU

Year: 379 Days

Day: 13.2 Hours

Environment

Temp: 7 °C

Axial Tilt: 19.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 65,709,494 km

• M1: 448,943 km (0.077 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.54 AU - 1.8 AU

Year: 831 Days

Day: 23.9 Hours

Environment

Temp: -65 °C

Axial Tilt: 41.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,709,494 km

• M1: 1,191,397 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.9

Radius: 8.2

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.58 AU - 5.52 AU

Year: 3737 Days

Day: 11.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 65,709,494 km

• M1: 131,646 km (0.103 R)
• M2: 396,135 km (0.077 R)
• M3: 546,481 km (0.113 R)
• M4: 744,549 km (0.107 R)
• M5: 842,386 km (0.071 R)
• M6: 903,122 km (0.082 R)
• M7: 1,150,707 km (0.049 R)
• M8: 1,395,299 km (0.028 R)
• M9: 1,468,154 km (0.07 R)
• M10: 1,643,632 km (0.039 R)
• M11: 1,707,809 km (0.094 R)
• M12: 1,919,490 km (0.091 R)
• M13: 2,252,794 km (0.109 R)
• M14: 2,310,240 km (0.032 R)
• M15: 2,574,430 km (0.077 R)
• M16: 2,679,896 km (0.077 R)
• M17: 2,756,042 km (0.1 R)
• M18: 2,832,935 km (0.109 R)
• M19: 3,020,531 km (0.056 R)
• M20: 3,115,824 km (0.099 R)
• M21: 3,180,002 km (0.067 R)
• M22: 3,244,628 km (0.11 R)
• M23: 3,342,316 km (0.118 R)
• M24: 3,607,553 km (0.087 R)
• M25: 4,000,995 km (0.052 R)
• M26: 4,318,442 km (0.097 R)
• M27: 5,454,039 km (0.093 R)
• M28: 5,512,233 km (0.04 R)
• M29: 5,629,069 km (0.095 R)
• M30: 6,024,755 km (0.084 R)
• M31: 6,104,940 km (0.104 R)
• M32: 6,676,403 km (0.115 R)
• M33: 7,116,221 km (0.089 R)
• M34: 8,112,244 km (0.106 R)
• M35: 8,785,285 km (0.026 R)
• M36: 9,336,403 km (0.11 R)
• M37: 9,429,453 km (0.108 R)
• M38: 10,136,453 km (0.096 R)
• M39: 10,255,981 km (0.086 R)
• M40: 10,423,980 km (0.052 R)
• M41: 10,593,025 km (0.12 R)
• M42: 10,787,353 km (0.099 R)
• M43: 10,982,728 km (0.063 R)
• M44: 11,154,765 km (0.112 R)
• M45: 11,977,554 km (0.078 R)
• M46: 12,179,959 km (0.069 R)
• M47: 12,897,431 km (0.106 R)
• M48: 13,026,983 km (0.048 R)
• M49: 13,183,013 km (0.076 R)
• M50: 13,549,528 km (0.083 R)
• M51: 14,052,326 km (0.077 R)
• M52: 14,105,583 km (0.06 R)
• M53: 14,239,025 km (0.095 R)
• M54: 14,723,123 km (0.098 R)
• M55: 15,514,346 km (0.097 R)
• M56: 16,207,433 km (0.093 R)
• M57: 16,375,282 km (0.1 R)
• M58: 17,024,088 km (0.09 R)
• M59: 17,166,356 km (0.111 R)
• M60: 17,681,421 km (0.102 R)
• M61: 17,767,739 km (0.071 R)
• M62: 17,825,334 km (0.088 R)
• M63: 18,027,591 km (0.069 R)
• M64: 18,259,617 km (0.093 R)
• M65: 18,376,004 km (0.119 R)
• M66: 18,521,862 km (0.077 R)
• M67: 18,580,355 km (0.114 R)
• M68: 18,932,209 km (0.051 R)
• M69: 19,227,216 km (0.038 R)
• M70: 19,672,569 km (0.082 R)
• M71: 19,971,316 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.1

Radius: 14.4

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 5.76 AU - 7.52 AU

Year: 6588 Days

Day: 10.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 65,709,494 km

• M1: 183,856 km (0.102 R)
• M2: 313,856 km (0.09 R)
• M3: 510,278 km (0.087 R)
• M4: 666,608 km (0.095 R)
• M5: 841,937 km (0.086 R)
• M6: 942,467 km (0.106 R)
• M7: 1,034,320 km (0.09 R)
• M8: 1,271,283 km (0.054 R)
• M9: 1,605,185 km (0.075 R)
• M10: 2,230,055 km (0.074 R)
• M11: 2,356,615 km (0.072 R)
• M12: 2,598,066 km (0.098 R)
• M13: 2,828,297 km (0.072 R)
• M14: 3,496,401 km (0.111 R)
• M15: 4,079,235 km (0.108 R)
• M16: 4,302,884 km (0.048 R)
• M17: 4,599,835 km (0.08 R)
• M18: 4,692,586 km (0.05 R)
• M19: 5,286,490 km (0.064 R)
• M20: 5,506,249 km (0.108 R)
• M21: 6,030,889 km (0.107 R)
• M22: 6,441,385 km (0.087 R)
• M23: 6,650,074 km (0.118 R)
• M24: 6,994,149 km (0.046 R)
• M25: 7,208,822 km (0.092 R)
• M26: 7,921,506 km (0.117 R)
• M27: 8,286,376 km (0.087 R)
• M28: 8,656,780 km (0.113 R)
• M29: 9,061,741 km (0.116 R)
• M30: 9,860,594 km (0.037 R)
• M31: 10,162,183 km (0.058 R)
• M32: 10,314,025 km (0.07 R)
• M33: 10,991,704 km (0.106 R)
• M34: 11,461,890 km (0.034 R)
• M35: 12,357,532 km (0.088 R)
• M36: 12,715,520 km (0.101 R)
• M37: 12,846,568 km (0.107 R)
• M38: 12,945,153 km (0.085 R)
• M39: 13,176,132 km (0.117 R)
• M40: 13,342,036 km (0.108 R)
• M41: 14,181,729 km (0.093 R)
• M42: 14,762,467 km (0.114 R)
• M43: 15,350,986 km (0.083 R)
• M44: 15,665,739 km (0.028 R)
• M45: 16,195,166 km (0.078 R)
• M46: 16,551,359 km (0.064 R)
• M47: 16,910,095 km (0.112 R)
• M48: 17,162,765 km (0.087 R)
• M49: 19,568,299 km (0.025 R)
• M50: 19,795,688 km (0.045 R)
• M51: 20,406,346 km (0.031 R)
• M52: 21,411,794 km (0.096 R)
• M53: 21,685,259 km (0.108 R)
• M54: 22,275,123 km (0.107 R)
• M55: 22,591,971 km (0.104 R)
• M56: 22,830,580 km (0.103 R)
• M57: 23,310,191 km (0.033 R)
• M58: 23,470,859 km (0.1 R)
• M59: 24,810,059 km (0.055 R)
• M60: 25,097,436 km (0.102 R)
• M61: 25,385,711 km (0.116 R)
• M62: 25,799,649 km (0.09 R)
• M63: 26,007,440 km (0.117 R)
• M64: 27,308,194 km (0.061 R)
• M65: 28,115,873 km (0.093 R)
• M66: 28,458,302 km (0.092 R)
• M67: 28,672,975 km (0.047 R)
• M68: 28,888,246 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.1

Radius: 12.5

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 9.64 AU - 10.32 AU

Year: 12138 Days

Day: 11.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 65,709,494 km

• M1: 157,227 km (0.096 R)
• M2: 308,022 km (0.104 R)
• M3: 443,258 km (0.058 R)
• M4: 657,034 km (0.058 R)
• M5: 1,599,650 km (0.11 R)
• M6: 1,755,082 km (0.053 R)
• M7: 2,026,004 km (0.098 R)
• M8: 2,339,711 km (0.059 R)
• M9: 3,306,711 km (0.115 R)
• M10: 4,132,492 km (0.068 R)
• M11: 4,276,106 km (0.113 R)
• M12: 5,803,500 km (0.053 R)
• M13: 6,333,525 km (0.098 R)
• M14: 7,615,280 km (0.047 R)
• M15: 8,928,599 km (0.101 R)
• M16: 9,068,473 km (0.064 R)
• M17: 9,256,069 km (0.065 R)
• M18: 9,350,465 km (0.062 R)
• M19: 9,445,011 km (0.095 R)
• M20: 10,556,224 km (0.113 R)
• M21: 11,202,487 km (0.085 R)
• M22: 12,481,399 km (0.085 R)
• M23: 13,217,720 km (0.116 R)
• M24: 13,484,004 km (0.074 R)
• M25: 14,076,412 km (0.064 R)
• M26: 14,677,197 km (0.119 R)
• M27: 15,566,107 km (0.078 R)
• M28: 16,358,378 km (0.118 R)
• M29: 17,279,601 km (0.094 R)
• M30: 18,217,879 km (0.101 R)
• M31: 18,992,347 km (0.071 R)
• M32: 19,172,613 km (0.1 R)
• M33: 20,021,281 km (0.116 R)
• M34: 20,266,024 km (0.065 R)
• M35: 20,696,716 km (0.087 R)
• M36: 21,192,782 km (0.115 R)
• M37: 21,504,694 km (0.026 R)
• M38: 22,007,044 km (0.044 R)
• M39: 22,767,749 km (0.038 R)
• M40: 23,279,673 km (0.119 R)
• M41: 23,408,327 km (0.114 R)
• M42: 23,730,860 km (0.108 R)
• M43: 24,445,489 km (0.111 R)
• M44: 24,838,333 km (0.052 R)
• M45: 25,630,304 km (0.067 R)
• M46: 26,229,593 km (0.087 R)
• M47: 28,811,054 km (0.095 R)
• M48: 29,156,775 km (0.106 R)
• M49: 30,764,503 km (0.103 R)
• M50: 31,117,703 km (0.093 R)
• M51: 31,259,522 km (0.107 R)
• M52: 32,257,340 km (0.12 R)
• M53: 32,400,804 km (0.037 R)
• M54: 34,504,150 km (0.112 R)
• M55: 35,313,475 km (0.11 R)
• M56: 36,726,128 km (0.092 R)
• M57: 37,251,216 km (0.087 R)
• M58: 38,081,484 km (0.078 R)
• M59: 38,460,865 km (0.096 R)
• M60: 39,146,920 km (0.098 R)
• M61: 39,299,959 km (0.12 R)
• M62: 40,376,615 km (0.098 R)
• M63: 42,244,644 km (0.08 R)
• M64: 47,199,624 km (0.089 R)
• M65: 47,770,490 km (0.11 R)
• M66: 48,097,810 km (0.088 R)
• M67: 48,261,619 km (0.071 R)
• M68: 48,507,858 km (0.066 R)
• M69: 48,589,987 km (0.1 R)
• M70: 49,083,959 km (0.093 R)
• M71: 50,409,396 km (0.076 R)
• M72: 50,659,225 km (0.105 R)
• M73: 51,243,703 km (0.103 R)
• M74: 51,578,653 km (0.114 R)
• M75: 51,662,577 km (0.12 R)
• M76: 51,746,502 km (0.045 R)
• M77: 51,914,351 km (0.093 R)
• M78: 53,095,127 km (0.089 R)
• M79: 54,370,149 km (0.115 R)
• M80: 55,483,157 km (0.064 R)
• M81: 56,171,906 km (0.037 R)
• M82: 57,123,498 km (0.074 R)
• M83: 57,557,930 km (0.113 R)
• M84: 58,080,476 km (0.095 R)
• M85: 58,255,056 km (0.089 R)
• M86: 58,429,787 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.9

Radius: 13.6

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 9.28 AU - 12.04 AU

Year: 13400 Days

Day: 6.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 103.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 65,709,494 km

• M1: 179,368 km (0.062 R)
• M2: 707,149 km (0.065 R)
• M3: 826,528 km (0.091 R)
• M4: 931,845 km (0.053 R)
• M5: 1,134,101 km (0.109 R)
• M6: 1,351,617 km (0.066 R)
• M7: 1,885,083 km (0.082 R)
• M8: 2,057,569 km (0.085 R)
• M9: 3,200,946 km (0.102 R)
• M10: 3,584,814 km (0.09 R)
• M11: 3,764,182 km (0.06 R)
• M12: 4,627,960 km (0.102 R)
• M13: 5,062,542 km (0.117 R)
• M14: 5,223,808 km (0.045 R)
• M15: 6,531,443 km (0.079 R)
• M16: 6,619,257 km (0.061 R)
• M17: 7,018,982 km (0.058 R)
• M18: 7,842,369 km (0.104 R)
• M19: 8,938,622 km (0.105 R)
• M20: 9,085,228 km (0.075 R)
• M21: 9,232,582 km (0.052 R)
• M22: 9,430,351 km (0.054 R)
• M23: 9,880,491 km (0.038 R)
• M24: 11,062,613 km (0.065 R)
• M25: 11,537,287 km (0.106 R)
• M26: 11,803,870 km (0.08 R)
• M27: 12,343,320 km (0.046 R)
• M28: 12,616,037 km (0.111 R)
• M29: 12,780,744 km (0.116 R)
• M30: 13,167,605 km (0.093 R)
• M31: 13,334,556 km (0.118 R)
• M32: 14,811,386 km (0.101 R)
• M33: 15,217,843 km (0.058 R)
• M34: 15,451,665 km (0.076 R)
• M35: 16,459,207 km (0.044 R)
• M36: 16,699,311 km (0.099 R)
• M37: 16,880,175 km (0.074 R)
• M38: 17,001,200 km (0.057 R)
• M39: 17,487,841 km (0.093 R)
• M40: 18,226,556 km (0.07 R)
• M41: 18,662,035 km (0.085 R)
• M42: 19,670,624 km (0.1 R)
• M43: 19,989,567 km (0.031 R)
• M44: 21,740,610 km (0.119 R)
• M45: 22,202,568 km (0.06 R)
• M46: 22,335,261 km (0.088 R)
• M47: 23,472,953 km (0.039 R)
• M48: 23,811,194 km (0.119 R)
• M49: 24,151,080 km (0.108 R)
• M50: 24,560,978 km (0.101 R)
• M51: 25,111,199 km (0.091 R)
• M52: 29,074,945 km (0.068 R)
• M53: 29,365,314 km (0.114 R)
• M54: 29,656,880 km (0.027 R)
• M55: 31,724,024 km (0.053 R)
• M56: 32,473,509 km (0.103 R)
• M57: 32,926,043 km (0.057 R)
• M58: 33,304,675 km (0.095 R)
• M59: 34,219,466 km (0.1 R)
• M60: 35,065,292 km (0.099 R)
• M61: 35,529,494 km (0.027 R)
• M62: 36,073,731 km (0.051 R)
• M63: 38,277,906 km (0.05 R)
• M64: 38,437,079 km (0.111 R)
• M65: 38,995,677 km (0.105 R)
• M66: 39,155,896 km (0.025 R)
• M67: 42,321,537 km (0.083 R)
• M68: 43,063,692 km (0.026 R)
• M69: 44,728,267 km (0.088 R)
• M70: 45,063,666 km (0.068 R)
• M71: 45,315,888 km (0.07 R)
• M72: 45,906,051 km (0.112 R)
• M73: 46,838,495 km (0.078 R)
• M74: 49,240,289 km (0.109 R)
• M75: 50,456,220 km (0.09 R)
• M76: 51,067,926 km (0.05 R)
• M77: 52,563,605 km (0.11 R)
• M78: 56,501,021 km (0.059 R)
• M79: 57,773,800 km (0.099 R)
• M80: 58,964,001 km (0.114 R)
• M81: 60,439,933 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 468.1

Radius: 6.7

Gravity: 10.43 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 11.18 AU - 16.12 AU

Year: 19416 Days

Day: 15.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 65,709,494 km

• M1: 159,023 km (0.12 R)
• M2: 730,786 km (0.07 R)
• M3: 861,534 km (0.083 R)
• M4: 952,938 km (0.117 R)
• M5: 1,145,920 km (0.063 R)
• M6: 1,196,035 km (0.037 R)
• M7: 1,324,839 km (0.108 R)
• M8: 1,540,559 km (0.036 R)
• M9: 1,596,209 km (0.086 R)
• M10: 2,914,316 km (0.094 R)
• M11: 2,983,580 km (0.065 R)
• M12: 3,159,357 km (0.102 R)
• M13: 3,484,284 km (0.105 R)
• M14: 3,933,975 km (0.027 R)
• M15: 4,723,852 km (0.066 R)
• M16: 5,095,004 km (0.087 R)
• M17: 6,219,232 km (0.074 R)
• M18: 6,489,256 km (0.066 R)
• M19: 6,763,170 km (0.109 R)
• M20: 7,559,480 km (0.051 R)
• M21: 7,847,605 km (0.111 R)
• M22: 8,583,627 km (0.064 R)
• M23: 9,290,477 km (0.084 R)
• M24: 9,341,639 km (0.096 R)
• M25: 9,702,619 km (0.089 R)
• M26: 9,754,529 km (0.107 R)
• M27: 10,812,934 km (0.108 R)
• M28: 11,191,866 km (0.094 R)
• M29: 11,355,675 km (0.111 R)
• M30: 11,410,428 km (0.092 R)
• M31: 12,018,693 km (0.115 R)
• M32: 12,242,491 km (0.085 R)
• M33: 13,151,298 km (0.104 R)
• M34: 13,555,811 km (0.089 R)
• M35: 13,847,078 km (0.111 R)
• M36: 14,081,797 km (0.036 R)
• M37: 14,436,195 km (0.12 R)
• M38: 15,395,416 km (0.117 R)
• M39: 16,685,548 km (0.117 R)
• M40: 19,171,865 km (0.113 R)
• M41: 19,367,988 km (0.101 R)
• M42: 19,564,559 km (0.093 R)
• M43: 19,761,879 km (0.072 R)
• M44: 20,557,889 km (0.109 R)
• M45: 22,593,168 km (0.114 R)
• M46: 24,762,636 km (0.108 R)
• M47: 26,197,280 km (0.042 R)
• M48: 27,437,745 km (0.077 R)
• M49: 27,954,157 km (0.099 R)
• M50: 28,176,460 km (0.09 R)
• M51: 28,399,211 km (0.078 R)
• M52: 29,221,401 km (0.116 R)
• M53: 29,597,789 km (0.086 R)
• M54: 31,426,174 km (0.05 R)
• M55: 32,198,847 km (0.111 R)
• M56: 32,431,771 km (0.065 R)
• M57: 32,509,562 km (0.084 R)
• M58: 32,899,564 km (0.117 R)
• M59: 34,157,532 km (0.087 R)
• M60: 34,951,747 km (0.036 R)
• M61: 35,111,368 km (0.047 R)
• M62: 37,861,127 km (0.037 R)
• M63: 38,518,011 km (0.109 R)
• M64: 39,427,566 km (0.093 R)
• M65: 40,010,100 km (0.071 R)
• M66: 40,931,025 km (0.053 R)
• M67: 41,436,366 km (0.083 R)
• M68: 41,859,130 km (0.085 R)
• M69: 42,028,624 km (0.116 R)
• M70: 42,453,333 km (0.119 R)
• M71: 43,821,854 km (0.111 R)
• M72: 44,166,228 km (0.052 R)
• M73: 44,252,397 km (0.08 R)
• M74: 44,338,715 km (0.088 R)
• M75: 46,426,652 km (0.111 R)
• M76: 47,836,163 km (0.118 R)
• M77: 49,349,346 km (0.052 R)
• M78: 49,438,805 km (0.112 R)
• M79: 50,878,086 km (0.115 R)
• M80: 50,968,443 km (0.105 R)
• M81: 51,058,950 km (0.092 R)
• M82: 52,057,516 km (0.052 R)
• M83: 53,705,486 km (0.109 R)
• M84: 55,370,510 km (0.054 R)
• M85: 55,463,560 km (0.091 R)
• M86: 56,489,951 km (0.049 R)
• M87: 57,146,387 km (0.099 R)
• M88: 58,088,404 km (0.118 R)
• M89: 59,130,802 km (0.055 R)
• M90: 59,797,261 km (0.047 R)
• M91: 60,083,591 km (0.114 R)
• M92: 61,041,616 km (0.107 R)
• M93: 64,336,210 km (0.105 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 221 - 13,895 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit