🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.5

Radius: 8.7

Gravity: 11.33 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.54 AU - 0.86 AU

Year: 378 Days

Day: 15 Hours

Environment

Temp: -142 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 52,354,998 km

• M1: 110,254 km (0.118 R)
• M2: 166,353 km (0.065 R)
• M3: 322,234 km (0.085 R)
• M4: 388,356 km (0.108 R)
• M5: 544,387 km (0.102 R)
• M6: 607,667 km (0.113 R)
• M7: 788,231 km (0.119 R)
• M8: 852,409 km (0.115 R)
• M9: 936,333 km (0.08 R)
• M10: 1,004,849 km (0.076 R)
• M11: 1,089,222 km (0.087 R)
• M12: 1,195,885 km (0.04 R)
• M13: 1,250,638 km (0.088 R)
• M14: 1,367,773 km (0.095 R)
• M15: 1,451,399 km (0.077 R)
• M16: 1,520,812 km (0.056 R)
• M17: 1,746,854 km (0.056 R)
• M18: 1,820,905 km (0.114 R)
• M19: 1,878,650 km (0.07 R)
• M20: 1,966,314 km (0.084 R)
• M21: 2,091,378 km (0.063 R)
• M22: 2,182,334 km (0.088 R)
• M23: 2,305,902 km (0.115 R)
• M24: 2,393,716 km (0.078 R)
• M25: 2,495,442 km (0.102 R)
• M26: 2,559,769 km (0.042 R)
• M27: 2,762,773 km (0.12 R)
• M28: 2,903,395 km (0.092 R)
• M29: 3,296,987 km (0.052 R)
• M30: 3,381,959 km (0.098 R)
• M31: 3,583,168 km (0.073 R)
• M32: 3,656,022 km (0.051 R)
• M33: 3,803,227 km (0.076 R)
• M34: 3,885,057 km (0.071 R)
• M35: 3,960,005 km (0.106 R)
• M36: 4,027,773 km (0.039 R)
• M37: 4,111,249 km (0.094 R)
• M38: 4,172,285 km (0.068 R)
• M39: 4,249,028 km (0.093 R)
• M40: 4,357,188 km (0.032 R)
• M41: 4,419,420 km (0.049 R)
• M42: 4,474,173 km (0.04 R)
• M43: 4,529,076 km (0.086 R)
• M44: 4,631,849 km (0.119 R)
• M45: 4,727,293 km (0.076 R)
• M46: 4,815,256 km (0.119 R)
• M47: 5,115,649 km (0.066 R)
• M48: 5,189,550 km (0.085 R)
• M49: 5,422,025 km (0.071 R)
• M50: 5,615,605 km (0.091 R)
• M51: 5,700,427 km (0.031 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.1

Radius: 12.7

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.88 AU - 1.94 AU

Year: 1704 Days

Day: 14.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 52,354,998 km

• M1: 159,920 km (0.115 R)
• M2: 292,165 km (0.12 R)
• M3: 382,372 km (0.117 R)
• M4: 464,801 km (0.085 R)
• M5: 573,109 km (0.11 R)
• M6: 848,669 km (0.081 R)
• M7: 1,127,220 km (0.104 R)
• M8: 1,207,704 km (0.082 R)
• M9: 1,323,941 km (0.118 R)
• M10: 1,752,240 km (0.086 R)
• M11: 1,943,426 km (0.089 R)
• M12: 2,305,154 km (0.083 R)
• M13: 2,505,016 km (0.116 R)
• M14: 2,721,484 km (0.085 R)
• M15: 2,933,016 km (0.079 R)
• M16: 3,208,126 km (0.095 R)
• M17: 3,420,107 km (0.108 R)
• M18: 3,882,813 km (0.074 R)
• M19: 3,995,460 km (0.104 R)
• M20: 4,288,073 km (0.119 R)
• M21: 4,667,154 km (0.103 R)
• M22: 5,084,532 km (0.059 R)
• M23: 5,346,329 km (0.104 R)
• M24: 5,612,613 km (0.058 R)
• M25: 5,711,796 km (0.049 R)
• M26: 6,056,470 km (0.112 R)
• M27: 6,511,696 km (0.089 R)
• M28: 6,675,955 km (0.099 R)
• M29: 6,811,490 km (0.093 R)
• M30: 6,947,774 km (0.116 R)
• M31: 7,146,290 km (0.096 R)
• M32: 7,300,376 km (0.095 R)
• M33: 7,580,423 km (0.098 R)
• M34: 7,895,776 km (0.11 R)
• M35: 8,087,111 km (0.092 R)
• M36: 8,215,616 km (0.117 R)
• M37: 8,555,951 km (0.103 R)
• M38: 8,867,863 km (0.113 R)
• M39: 8,967,046 km (0.091 R)
• M40: 9,083,433 km (0.051 R)
• M41: 9,233,629 km (0.119 R)
• M42: 9,334,309 km (0.063 R)
• M43: 10,049,237 km (0.09 R)
• M44: 10,395,855 km (0.085 R)
• M45: 10,623,244 km (0.101 R)
• M46: 10,852,428 km (0.109 R)
• M47: 11,065,306 km (0.117 R)
• M48: 11,172,268 km (0.047 R)
• M49: 11,279,679 km (0.089 R)
• M50: 11,405,342 km (0.07 R)
• M51: 11,495,400 km (0.084 R)
• M52: 11,857,875 km (0.077 R)
• M53: 12,205,840 km (0.108 R)
• M54: 12,316,542 km (0.109 R)
• M55: 12,408,844 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.2

Radius: 13.6

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.93 AU - 2.95 AU

Year: 2461 Days

Day: 7.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 52,354,998 km

• M1: 183,407 km (0.042 R)
• M2: 312,959 km (0.09 R)
• M3: 408,701 km (0.093 R)
• M4: 512,373 km (0.12 R)
• M5: 635,492 km (0.119 R)
• M6: 745,895 km (0.114 R)
• M7: 907,760 km (0.033 R)
• M8: 998,117 km (0.057 R)
• M9: 1,091,915 km (0.095 R)
• M10: 1,189,004 km (0.101 R)
• M11: 1,330,374 km (0.115 R)
• M12: 1,608,327 km (0.078 R)
• M13: 1,720,376 km (0.083 R)
• M14: 1,858,604 km (0.089 R)
• M15: 2,085,245 km (0.104 R)
• M16: 2,195,947 km (0.093 R)
• M17: 2,423,336 km (0.107 R)
• M18: 2,619,010 km (0.099 R)
• M19: 2,738,838 km (0.117 R)
• M20: 3,012,153 km (0.118 R)
• M21: 3,109,841 km (0.084 R)
• M22: 3,251,510 km (0.093 R)
• M23: 3,409,784 km (0.099 R)
• M24: 3,585,412 km (0.098 R)
• M25: 3,674,423 km (0.115 R)
• M26: 3,915,425 km (0.106 R)
• M27: 4,146,255 km (0.089 R)
• M28: 4,445,002 km (0.116 R)
• M29: 4,799,848 km (0.057 R)
• M30: 5,623,384 km (0.095 R)
• M31: 5,709,852 km (0.104 R)
• M32: 5,936,941 km (0.116 R)
• M33: 6,167,023 km (0.091 R)
• M34: 6,346,091 km (0.095 R)
• M35: 6,617,911 km (0.097 R)
• M36: 6,764,517 km (0.108 R)
• M37: 6,856,669 km (0.069 R)
• M38: 6,967,820 km (0.108 R)
• M39: 7,116,969 km (0.051 R)
• M40: 7,456,407 km (0.118 R)
• M41: 7,820,528 km (0.096 R)
• M42: 7,956,213 km (0.037 R)
• M43: 8,151,438 km (0.115 R)
• M44: 8,447,193 km (0.053 R)
• M45: 8,766,585 km (0.1 R)
• M46: 9,355,552 km (0.106 R)
• M47: 9,686,163 km (0.117 R)
• M48: 10,316,269 km (0.064 R)
• M49: 10,529,297 km (0.093 R)
• M50: 10,614,867 km (0.077 R)
• M51: 11,177,205 km (0.106 R)
• M52: 11,594,134 km (0.096 R)
• M53: 11,704,687 km (0.088 R)
• M54: 11,837,979 km (0.073 R)
• M55: 12,083,469 km (0.106 R)
• M56: 12,398,372 km (0.088 R)
• M57: 12,647,752 km (0.091 R)
• M58: 13,082,334 km (0.12 R)
• M59: 13,174,486 km (0.081 R)
• M60: 13,405,764 km (0.087 R)
• M61: 13,848,873 km (0.027 R)
• M62: 14,391,764 km (0.109 R)
• M63: 14,701,731 km (0.067 R)
• M64: 14,869,580 km (0.041 R)
• M65: 15,231,307 km (0.102 R)
• M66: 15,644,796 km (0.093 R)
• M67: 15,742,633 km (0.09 R)
• M68: 16,358,826 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.3

Radius: 13.9

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.14 AU - 5.82 AU

Year: 7176 Days

Day: 13.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 52,354,998 km

• M1: 214,224 km (0.036 R)
• M2: 306,077 km (0.067 R)
• M3: 397,482 km (0.062 R)
• M4: 686,205 km (0.049 R)
• M5: 807,978 km (0.09 R)
• M6: 1,076,207 km (0.094 R)
• M7: 1,172,399 km (0.096 R)
• M8: 1,391,559 km (0.05 R)
• M9: 1,624,782 km (0.108 R)
• M10: 1,929,962 km (0.063 R)
• M11: 2,295,579 km (0.062 R)
• M12: 3,046,261 km (0.109 R)
• M13: 3,162,948 km (0.104 R)
• M14: 3,497,598 km (0.1 R)
• M15: 3,595,435 km (0.085 R)
• M16: 4,046,922 km (0.064 R)
• M17: 4,149,845 km (0.095 R)
• M18: 4,331,906 km (0.107 R)
• M19: 4,463,701 km (0.078 R)
• M20: 4,570,065 km (0.077 R)
• M21: 4,677,327 km (0.089 R)
• M22: 4,949,146 km (0.063 R)
• M23: 5,087,076 km (0.109 R)
• M24: 5,594,212 km (0.081 R)
• M25: 5,941,429 km (0.057 R)
• M26: 6,117,805 km (0.043 R)
• M27: 6,355,516 km (0.094 R)
• M28: 6,657,105 km (0.061 R)
• M29: 6,901,698 km (0.067 R)
• M30: 7,025,266 km (0.085 R)
• M31: 7,589,998 km (0.044 R)
• M32: 7,685,591 km (0.085 R)
• M33: 8,464,547 km (0.117 R)
• M34: 8,830,164 km (0.049 R)
• M35: 9,200,867 km (0.071 R)
• M36: 9,302,893 km (0.092 R)
• M37: 10,308,490 km (0.088 R)
• M38: 10,485,315 km (0.091 R)
• M39: 11,494,502 km (0.08 R)
• M40: 11,751,661 km (0.103 R)
• M41: 12,010,764 km (0.066 R)
• M42: 13,527,387 km (0.066 R)
• M43: 13,760,012 km (0.099 R)
• M44: 14,268,795 km (0.045 R)
• M45: 14,624,688 km (0.082 R)
• M46: 14,983,424 km (0.07 R)
• M47: 15,264,518 km (0.037 R)
• M48: 16,036,293 km (0.105 R)
• M49: 16,282,681 km (0.096 R)
• M50: 16,447,538 km (0.118 R)
• M51: 16,904,111 km (0.111 R)
• M52: 18,170,157 km (0.036 R)
• M53: 18,298,512 km (0.096 R)
• M54: 20,082,018 km (0.1 R)
• M55: 20,480,846 km (0.104 R)
• M56: 20,703,597 km (0.11 R)
• M57: 22,468,703 km (0.101 R)
• M58: 22,652,409 km (0.036 R)
• M59: 22,744,561 km (0.111 R)
• M60: 23,345,945 km (0.097 R)
• M61: 24,517,445 km (0.059 R)
• M62: 24,611,991 km (0.085 R)
• M63: 24,991,371 km (0.108 R)
• M64: 25,948,199 km (0.073 R)
• M65: 26,771,137 km (0.087 R)
• M66: 26,917,145 km (0.038 R)
• M67: 27,357,112 km (0.116 R)
• M68: 27,651,670 km (0.119 R)
• M69: 28,442,445 km (0.076 R)
• M70: 28,641,260 km (0.079 R)
• M71: 29,040,387 km (0.068 R)
• M72: 29,945,006 km (0.069 R)
• M73: 30,248,689 km (0.097 R)
• M74: 30,858,899 km (0.12 R)
• M75: 31,165,724 km (0.093 R)
• M76: 31,370,673 km (0.053 R)
• M77: 31,678,995 km (0.12 R)
• M78: 33,340,728 km (0.095 R)
• M79: 34,129,408 km (0.118 R)
• M80: 34,499,513 km (0.108 R)
• M81: 34,658,535 km (0.112 R)
• M82: 35,778,724 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 397.2

Radius: 7.6

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 8.17 AU - 11.11 AU

Year: 19326 Days

Day: 24 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 52,354,998 km

• M1: 130,749 km (0.063 R)
• M2: 282,890 km (0.108 R)
• M3: 745,745 km (0.103 R)
• M4: 959,371 km (0.11 R)
• M5: 1,575,116 km (0.093 R)
• M6: 1,965,118 km (0.098 R)
• M7: 2,023,311 km (0.11 R)
• M8: 2,201,333 km (0.06 R)
• M9: 2,292,139 km (0.118 R)
• M10: 2,572,635 km (0.086 R)
• M11: 3,548,761 km (0.08 R)
• M12: 3,619,969 km (0.102 R)
• M13: 3,763,882 km (0.032 R)
• M14: 3,909,740 km (0.045 R)
• M15: 4,020,293 km (0.113 R)
• M16: 4,131,893 km (0.086 R)
• M17: 4,472,976 km (0.077 R)
• M18: 4,902,173 km (0.111 R)
• M19: 5,182,220 km (0.074 R)
• M20: 5,385,523 km (0.099 R)
• M21: 5,716,135 km (0.067 R)
• M22: 5,926,170 km (0.108 R)
• M23: 6,353,721 km (0.09 R)
• M24: 6,527,553 km (0.112 R)
• M25: 6,835,725 km (0.109 R)
• M26: 7,329,398 km (0.107 R)
• M27: 8,685,353 km (0.113 R)
• M28: 12,533,160 km (0.097 R)
• M29: 12,642,067 km (0.043 R)
• M30: 13,861,290 km (0.079 R)
• M31: 14,541,960 km (0.107 R)
• M32: 14,713,848 km (0.059 R)
• M33: 14,771,294 km (0.056 R)
• M34: 14,886,335 km (0.078 R)
• M35: 15,524,818 km (0.102 R)
• M36: 15,759,238 km (0.053 R)
• M37: 15,818,030 km (0.109 R)
• M38: 17,676,036 km (0.099 R)
• M39: 19,602,108 km (0.054 R)
• M40: 20,365,357 km (0.078 R)
• M41: 20,621,917 km (0.097 R)
• M42: 21,073,553 km (0.082 R)
• M43: 21,203,254 km (0.071 R)
• M44: 21,398,180 km (0.047 R)
• M45: 21,724,304 km (0.119 R)
• M46: 22,249,841 km (0.106 R)
• M47: 22,912,410 km (0.085 R)
• M48: 23,313,183 km (0.096 R)
• M49: 23,447,222 km (0.113 R)
• M50: 25,007,528 km (0.079 R)
• M51: 25,696,277 km (0.116 R)
• M52: 26,811,379 km (0.113 R)
• M53: 27,022,163 km (0.07 R)
• M54: 28,513,354 km (0.109 R)
• M55: 28,656,819 km (0.111 R)
• M56: 28,872,389 km (0.109 R)
• M57: 29,594,797 km (0.109 R)
• M58: 30,983,813 km (0.094 R)
• M59: 31,352,722 km (0.108 R)
• M60: 31,574,875 km (0.073 R)
• M61: 32,319,124 km (0.067 R)
• M62: 32,918,563 km (0.105 R)
• M63: 35,584,397 km (0.033 R)
• M64: 35,970,808 km (0.097 R)
• M65: 36,048,300 km (0.103 R)
• M66: 36,592,088 km (0.047 R)
• M67: 37,452,126 km (0.114 R)
• M68: 37,923,958 km (0.108 R)
• M69: 39,831,031 km (0.037 R)
• M70: 40,312,737 km (0.117 R)
• M71: 40,554,337 km (0.076 R)
• M72: 42,095,195 km (0.084 R)
• M73: 44,483,974 km (0.095 R)
• M74: 44,816,829 km (0.083 R)
• M75: 45,067,107 km (0.083 R)
• M76: 45,904,555 km (0.05 R)
• M77: 46,072,703 km (0.077 R)
• M78: 46,916,286 km (0.115 R)
• M79: 48,020,617 km (0.067 R)
• M80: 48,618,859 km (0.092 R)
• M81: 51,210,343 km (0.055 R)
• M82: 51,908,965 km (0.071 R)
• M83: 53,050,846 km (0.093 R)
• M84: 53,846,407 km (0.049 R)
• M85: 54,023,681 km (0.067 R)
• M86: 54,823,880 km (0.076 R)
• M87: 55,002,200 km (0.083 R)
• M88: 55,091,510 km (0.031 R)
• M89: 55,896,945 km (0.09 R)
• M90: 60,995,689 km (0.077 R)
• M91: 61,643,448 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 173.8

Radius: 7.6

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 8.93 AU - 12.51 AU

Year: 22662 Days

Day: 23 Hours

Environment

Temp: -237 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 52,354,998 km

• M1: 107,710 km (0.046 R)
• M2: 466,446 km (0.111 R)
• M3: 576,849 km (0.104 R)
• M4: 732,132 km (0.104 R)
• M5: 1,125,275 km (0.09 R)
• M6: 1,299,258 km (0.079 R)
• M7: 2,132,518 km (0.064 R)
• M8: 2,212,852 km (0.098 R)
• M9: 2,515,937 km (0.103 R)
• M10: 3,854,988 km (0.081 R)
• M11: 5,123,727 km (0.083 R)
• M12: 5,450,449 km (0.103 R)
• M13: 5,784,052 km (0.035 R)
• M14: 6,277,575 km (0.07 R)
• M15: 6,470,856 km (0.072 R)
• M16: 6,863,700 km (0.079 R)
• M17: 7,345,106 km (0.08 R)
• M18: 7,837,582 km (0.069 R)
• M19: 8,854,100 km (0.098 R)
• M20: 8,940,717 km (0.12 R)
• M21: 9,911,607 km (0.091 R)
• M22: 10,046,694 km (0.089 R)
• M23: 10,182,229 km (0.107 R)
• M24: 10,823,107 km (0.117 R)
• M25: 10,962,083 km (0.049 R)
• M26: 11,618,818 km (0.117 R)
• M27: 11,761,085 km (0.047 R)
• M28: 11,951,823 km (0.056 R)
• M29: 11,999,694 km (0.05 R)
• M30: 12,047,565 km (0.11 R)
• M31: 13,414,740 km (0.094 R)
• M32: 13,764,201 km (0.118 R)
• M33: 15,347,395 km (0.045 R)
• M34: 16,028,365 km (0.118 R)
• M35: 16,133,981 km (0.034 R)
• M36: 16,772,764 km (0.06 R)
• M37: 16,987,437 km (0.048 R)
• M38: 17,257,162 km (0.111 R)
• M39: 18,019,812 km (0.116 R)
• M40: 18,239,870 km (0.088 R)
• M41: 18,405,325 km (0.063 R)
• M42: 18,737,881 km (0.096 R)
• M43: 19,634,571 km (0.073 R)
• M44: 19,860,913 km (0.117 R)
• M45: 20,258,992 km (0.094 R)
• M46: 20,487,728 km (0.113 R)
• M47: 20,832,401 km (0.1 R)
• M48: 22,053,718 km (0.117 R)
• M49: 22,230,094 km (0.111 R)
• M50: 22,407,068 km (0.113 R)
• M51: 23,597,867 km (0.109 R)
• M52: 23,718,144 km (0.099 R)
• M53: 24,443,694 km (0.073 R)
• M54: 26,664,025 km (0.095 R)
• M55: 26,977,433 km (0.09 R)
• M56: 27,229,056 km (0.025 R)
• M57: 27,798,127 km (0.11 R)
• M58: 28,052,294 km (0.103 R)
• M59: 28,947,786 km (0.105 R)
• M60: 29,076,590 km (0.115 R)
• M61: 29,140,917 km (0.041 R)
• M62: 29,334,497 km (0.05 R)
• M63: 29,593,301 km (0.118 R)
• M64: 30,374,202 km (0.054 R)
• M65: 30,635,998 km (0.085 R)
• M66: 31,293,631 km (0.108 R)
• M67: 31,558,120 km (0.116 R)
• M68: 32,089,042 km (0.095 R)
• M69: 33,497,058 km (0.053 R)
• M70: 33,767,531 km (0.101 R)
• M71: 34,106,669 km (0.118 R)
• M72: 34,446,855 km (0.043 R)
• M73: 35,543,108 km (0.053 R)
• M74: 35,681,037 km (0.07 R)
• M75: 35,888,080 km (0.106 R)
• M76: 38,262,947 km (0.105 R)
• M77: 39,184,320 km (0.107 R)
• M78: 40,616,121 km (0.068 R)
• M79: 41,338,529 km (0.096 R)
• M80: 41,701,154 km (0.098 R)
• M81: 43,015,821 km (0.117 R)
• M82: 43,309,780 km (0.115 R)
• M83: 45,236,900 km (0.047 R)
• M84: 45,685,544 km (0.067 R)
• M85: 46,436,675 km (0.089 R)
• M86: 47,116,149 km (0.072 R)
• M87: 47,267,542 km (0.053 R)
• M88: 48,255,785 km (0.111 R)
• M89: 49,712,569 km (0.096 R)
• M90: 51,027,983 km (0.112 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: 183 - 18,970 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit