🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160

Radius: 9.9

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.58 AU - 0.66 AU

Year: 337 Days

Day: 13.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 18,662,454 km

• M1: 123,568 km (0.056 R)
• M2: 189,989 km (0.037 R)
• M3: 253,718 km (0.099 R)
• M4: 354,547 km (0.1 R)
• M5: 462,108 km (0.082 R)
• M6: 535,560 km (0.04 R)
• M7: 616,194 km (0.03 R)
• M8: 678,576 km (0.109 R)
• M9: 743,202 km (0.065 R)
• M10: 848,818 km (0.09 R)
• M11: 942,317 km (0.092 R)
• M12: 1,060,649 km (0.1 R)
• M13: 1,238,222 km (0.117 R)
• M14: 1,302,848 km (0.072 R)
• M15: 1,402,181 km (0.1 R)
• M16: 1,507,498 km (0.088 R)
• M17: 1,615,657 km (0.109 R)
• M18: 1,683,275 km (0.071 R)
• M19: 1,839,904 km (0.03 R)
• M20: 1,936,993 km (0.075 R)
• M21: 2,062,655 km (0.089 R)
• M22: 2,128,628 km (0.061 R)
• M23: 2,274,486 km (0.109 R)
• M24: 2,366,938 km (0.073 R)
• M25: 2,481,081 km (0.114 R)
• M26: 2,563,808 km (0.057 R)
• M27: 2,647,434 km (0.093 R)
• M28: 2,774,741 km (0.112 R)
• M29: 2,839,218 km (0.117 R)
• M30: 2,912,820 km (0.073 R)
• M31: 3,044,317 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334

Radius: 13.8

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.59 AU - 0.75 AU

Year: 379 Days

Day: 5.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 18,662,454 km

• M1: 176,376 km (0.112 R)
• M2: 293,062 km (0.107 R)
• M3: 380,876 km (0.11 R)
• M4: 478,115 km (0.1 R)
• M5: 654,491 km (0.105 R)
• M6: 773,122 km (0.105 R)
• M7: 886,367 km (0.114 R)
• M8: 1,013,226 km (0.098 R)
• M9: 1,116,449 km (0.08 R)
• M10: 1,204,263 km (0.094 R)
• M11: 1,306,588 km (0.059 R)
• M12: 1,432,699 km (0.093 R)
• M13: 1,529,040 km (0.116 R)
• M14: 1,653,954 km (0.104 R)
• M15: 1,795,773 km (0.11 R)
• M16: 1,895,854 km (0.111 R)
• M17: 2,012,091 km (0.087 R)
• M18: 2,140,297 km (0.098 R)
• M19: 2,290,942 km (0.071 R)
• M20: 2,420,194 km (0.092 R)
• M21: 2,608,388 km (0.044 R)
• M22: 2,722,681 km (0.083 R)
• M23: 2,812,141 km (0.093 R)
• M24: 2,929,575 km (0.112 R)
• M25: 3,032,199 km (0.096 R)
• M26: 3,169,231 km (0.1 R)
• M27: 3,274,847 km (0.086 R)
• M28: 3,409,934 km (0.082 R)
• M29: 3,523,927 km (0.11 R)
• M30: 3,621,914 km (0.037 R)
• M31: 3,714,964 km (0.048 R)
• M32: 3,844,216 km (0.11 R)
• M33: 3,945,195 km (0.03 R)
• M34: 4,089,258 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.2

Radius: 10.2

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.95 AU - 1.53 AU

Year: 953 Days

Day: 7.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 18,662,454 km

• M1: 128,205 km (0.05 R)
• M2: 226,790 km (0.095 R)
• M3: 367,562 km (0.119 R)
• M4: 453,880 km (0.038 R)
• M5: 522,097 km (0.06 R)
• M6: 589,715 km (0.092 R)
• M7: 680,371 km (0.084 R)
• M8: 745,596 km (0.114 R)
• M9: 988,692 km (0.037 R)
• M10: 1,116,898 km (0.093 R)
• M11: 1,326,484 km (0.119 R)
• M12: 1,416,542 km (0.063 R)
• M13: 1,528,890 km (0.107 R)
• M14: 1,623,586 km (0.066 R)
• M15: 1,692,700 km (0.11 R)
• M16: 1,769,743 km (0.102 R)
• M17: 1,876,705 km (0.076 R)
• M18: 1,978,581 km (0.068 R)
• M19: 2,060,112 km (0.12 R)
• M20: 2,127,581 km (0.12 R)
• M21: 2,365,741 km (0.104 R)
• M22: 2,452,507 km (0.115 R)
• M23: 2,588,492 km (0.073 R)
• M24: 2,876,617 km (0.062 R)
• M25: 3,106,101 km (0.113 R)
• M26: 3,201,245 km (0.097 R)
• M27: 3,332,741 km (0.11 R)
• M28: 3,655,574 km (0.111 R)
• M29: 3,811,604 km (0.054 R)
• M30: 3,895,080 km (0.094 R)
• M31: 3,960,454 km (0.092 R)
• M32: 4,196,968 km (0.053 R)
• M33: 4,370,203 km (0.086 R)
• M34: 4,644,266 km (0.099 R)
• M35: 4,903,968 km (0.11 R)
• M36: 4,984,751 km (0.054 R)
• M37: 5,096,650 km (0.097 R)
• M38: 5,199,124 km (0.113 R)
• M39: 5,510,737 km (0.052 R)
• M40: 5,605,283 km (0.11 R)
• M41: 5,721,819 km (0.079 R)
• M42: 5,828,333 km (0.115 R)
• M43: 6,272,190 km (0.045 R)
• M44: 6,415,205 km (0.076 R)
• M45: 6,850,984 km (0.11 R)
• M46: 6,964,230 km (0.094 R)
• M47: 7,032,446 km (0.091 R)
• M48: 7,135,220 km (0.098 R)
• M49: 7,227,073 km (0.058 R)
• M50: 7,727,328 km (0.118 R)
• M51: 7,880,816 km (0.101 R)
• M52: 8,094,890 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.5

Radius: 8.1

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.24 AU - 1.32 AU

Year: 1000 Days

Day: 12.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 18,662,454 km

• M1: 102,026 km (0.078 R)
• M2: 170,691 km (0.117 R)
• M3: 224,846 km (0.116 R)
• M4: 278,252 km (0.099 R)
• M5: 345,122 km (0.099 R)
• M6: 398,828 km (0.075 R)
• M7: 489,933 km (0.086 R)
• M8: 626,665 km (0.115 R)
• M9: 866,620 km (0.106 R)
• M10: 921,523 km (0.096 R)
• M11: 1,029,084 km (0.119 R)
• M12: 1,117,047 km (0.112 R)
• M13: 1,257,071 km (0.077 R)
• M14: 1,435,541 km (0.099 R)
• M15: 1,521,111 km (0.092 R)
• M16: 1,615,358 km (0.094 R)
• M17: 1,711,699 km (0.112 R)
• M18: 1,795,623 km (0.11 R)
• M19: 1,873,863 km (0.09 R)
• M20: 1,931,608 km (0.113 R)
• M21: 1,982,621 km (0.054 R)
• M22: 2,100,803 km (0.079 R)
• M23: 2,191,010 km (0.034 R)
• M24: 2,469,412 km (0.104 R)
• M25: 2,540,920 km (0.105 R)
• M26: 2,702,037 km (0.104 R)
• M27: 2,767,561 km (0.064 R)
• M28: 2,825,305 km (0.114 R)
• M29: 3,017,688 km (0.107 R)
• M30: 3,077,228 km (0.049 R)
• M31: 3,145,594 km (0.081 R)
• M32: 3,266,619 km (0.067 R)
• M33: 3,424,445 km (0.092 R)
• M34: 3,539,934 km (0.095 R)
• M35: 3,647,794 km (0.106 R)
• M36: 3,720,349 km (0.108 R)
• M37: 4,071,306 km (0.111 R)
• M38: 4,317,694 km (0.114 R)
• M39: 4,384,863 km (0.034 R)
• M40: 4,462,056 km (0.085 R)
• M41: 4,924,762 km (0.094 R)
• M42: 4,984,900 km (0.056 R)
• M43: 5,227,997 km (0.072 R)
• M44: 5,454,338 km (0.088 R)
• M45: 5,863,489 km (0.111 R)
• M46: 6,098,806 km (0.118 R)
• M47: 6,457,392 km (0.113 R)
• M48: 6,512,295 km (0.086 R)
• M49: 6,655,908 km (0.1 R)
• M50: 6,711,409 km (0.118 R)
• M51: 6,778,280 km (0.103 R)
• M52: 6,957,498 km (0.101 R)
• M53: 7,025,116 km (0.074 R)
• M54: 7,608,847 km (0.059 R)
• M55: 7,830,252 km (0.095 R)
• M56: 7,900,563 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.3

Radius: 12.6

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.3 AU - 1.56 AU

Year: 1180 Days

Day: 13.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 18,662,454 km

• M1: 167,699 km (0.075 R)
• M2: 254,316 km (0.12 R)
• M3: 335,997 km (0.097 R)
• M4: 464,501 km (0.111 R)
• M5: 741,856 km (0.086 R)
• M6: 842,086 km (0.081 R)
• M7: 972,087 km (0.119 R)
• M8: 1,073,066 km (0.065 R)
• M9: 1,259,016 km (0.111 R)
• M10: 1,353,412 km (0.075 R)
• M11: 1,456,186 km (0.072 R)
• M12: 1,591,422 km (0.076 R)
• M13: 1,755,830 km (0.076 R)
• M14: 1,894,059 km (0.109 R)
• M15: 2,029,594 km (0.084 R)
• M16: 2,195,199 km (0.083 R)
• M17: 2,386,236 km (0.094 R)
• M18: 2,690,518 km (0.075 R)
• M19: 2,902,947 km (0.101 R)
• M20: 3,067,953 km (0.098 R)
• M21: 3,228,322 km (0.042 R)
• M22: 3,321,222 km (0.062 R)
• M23: 3,470,222 km (0.102 R)
• M24: 3,581,373 km (0.105 R)
• M25: 3,856,633 km (0.11 R)
• M26: 3,938,912 km (0.115 R)
• M27: 4,063,377 km (0.105 R)
• M28: 4,231,525 km (0.081 R)
• M29: 4,333,551 km (0.078 R)
• M30: 4,531,469 km (0.117 R)
• M31: 4,653,391 km (0.115 R)
• M32: 4,749,882 km (0.117 R)
• M33: 4,864,923 km (0.109 R)
• M34: 5,170,102 km (0.106 R)
• M35: 5,315,960 km (0.119 R)
• M36: 5,546,640 km (0.07 R)
• M37: 5,856,158 km (0.101 R)
• M38: 5,979,726 km (0.087 R)
• M39: 6,094,468 km (0.052 R)
• M40: 6,336,068 km (0.054 R)
• M41: 6,669,671 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.2

Radius: 12.3

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.92 AU - 2.54 AU

Year: 2299 Days

Day: 6.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 18,662,454 km

• M1: 160,818 km (0.051 R)
• M2: 317,297 km (0.054 R)
• M3: 413,040 km (0.117 R)
• M4: 578,645 km (0.08 R)
• M5: 726,746 km (0.054 R)
• M6: 873,352 km (0.077 R)
• M7: 974,630 km (0.078 R)
• M8: 1,063,491 km (0.095 R)
• M9: 1,164,021 km (0.08 R)
• M10: 1,393,504 km (0.094 R)
• M11: 1,513,930 km (0.109 R)
• M12: 1,609,075 km (0.112 R)
• M13: 1,846,038 km (0.075 R)
• M14: 1,968,858 km (0.119 R)
• M15: 2,126,384 km (0.118 R)
• M16: 2,233,795 km (0.114 R)
• M17: 2,332,081 km (0.114 R)
• M18: 2,578,768 km (0.094 R)
• M19: 2,916,859 km (0.078 R)
• M20: 3,109,691 km (0.069 R)
• M21: 3,257,045 km (0.06 R)
• M22: 3,419,508 km (0.11 R)
• M23: 3,508,070 km (0.085 R)
• M24: 3,765,378 km (0.057 R)
• M25: 4,136,232 km (0.102 R)
• M26: 4,602,378 km (0.111 R)
• M27: 4,700,515 km (0.083 R)
• M28: 4,827,673 km (0.115 R)
• M29: 5,128,813 km (0.09 R)
• M30: 5,406,766 km (0.04 R)
• M31: 6,053,927 km (0.075 R)
• M32: 6,177,046 km (0.072 R)
• M33: 6,379,003 km (0.116 R)
• M34: 6,551,489 km (0.039 R)
• M35: 6,709,764 km (0.105 R)
• M36: 7,208,523 km (0.094 R)
• M37: 7,290,054 km (0.107 R)
• M38: 7,470,618 km (0.087 R)
• M39: 7,702,495 km (0.098 R)
• M40: 8,038,043 km (0.076 R)
• M41: 8,190,633 km (0.057 R)
• M42: 8,275,754 km (0.094 R)
• M43: 8,361,175 km (0.111 R)
• M44: 8,654,087 km (0.115 R)
• M45: 9,143,721 km (0.051 R)
• M46: 9,481,214 km (0.095 R)
• M47: 9,895,301 km (0.112 R)
• M48: 10,168,466 km (0.115 R)
• M49: 10,518,226 km (0.081 R)
• M50: 10,610,827 km (0.076 R)
• M51: 10,927,975 km (0.11 R)
• M52: 11,021,922 km (0.096 R)
• M53: 11,476,401 km (0.077 R)
• M54: 11,667,437 km (0.117 R)
• M55: 11,782,627 km (0.115 R)
• M56: 11,878,969 km (0.118 R)
• M57: 12,052,951 km (0.099 R)
• M58: 12,344,966 km (0.108 R)
• M59: 12,797,051 km (0.098 R)
• M60: 12,935,728 km (0.097 R)
• M61: 13,054,957 km (0.104 R)
• M62: 13,134,693 km (0.05 R)
• M63: 13,274,567 km (0.041 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.6

Radius: 9.8

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.92 AU - 3.86 AU

Year: 4308 Days

Day: 10 Hours

Environment

Temp: -219 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 18,662,454 km

• M1: 206,295 km (0.035 R)
• M2: 306,077 km (0.1 R)
• M3: 797,656 km (0.089 R)
• M4: 928,255 km (0.058 R)
• M5: 1,118,244 km (0.119 R)
• M6: 1,238,670 km (0.078 R)
• M7: 1,507,049 km (0.102 R)
• M8: 2,684,683 km (0.076 R)
• M9: 2,884,696 km (0.071 R)
• M10: 3,108,644 km (0.066 R)
• M11: 3,455,412 km (0.084 R)
• M12: 3,593,640 km (0.119 R)
• M13: 3,693,422 km (0.047 R)
• M14: 3,774,055 km (0.115 R)
• M15: 3,875,482 km (0.099 R)
• M16: 3,998,601 km (0.079 R)
• M17: 4,102,123 km (0.108 R)
• M18: 4,290,766 km (0.117 R)
• M19: 4,482,401 km (0.091 R)
• M20: 4,874,048 km (0.081 R)
• M21: 5,436,387 km (0.082 R)
• M22: 5,760,266 km (0.106 R)
• M23: 6,402,639 km (0.062 R)
• M24: 6,720,086 km (0.082 R)
• M25: 6,893,171 km (0.061 R)
• M26: 7,218,546 km (0.049 R)
• M27: 7,703,243 km (0.048 R)
• M28: 8,145,754 km (0.118 R)
• M29: 8,383,465 km (0.106 R)
• M30: 8,974,077 km (0.059 R)
• M31: 9,137,588 km (0.113 R)
• M32: 9,274,470 km (0.07 R)
• M33: 9,522,652 km (0.076 R)
• M34: 9,605,978 km (0.073 R)
• M35: 9,717,279 km (0.071 R)
• M36: 9,913,252 km (0.099 R)
• M37: 9,997,626 km (0.047 R)
• M38: 10,308,939 km (0.113 R)
• M39: 10,594,820 km (0.111 R)
• M40: 10,854,373 km (0.099 R)
• M41: 11,086,848 km (0.047 R)
• M42: 11,615,975 km (0.117 R)
• M43: 11,823,917 km (0.049 R)
• M44: 11,913,526 km (0.091 R)
• M45: 12,364,414 km (0.098 R)
• M46: 12,974,474 km (0.095 R)
• M47: 13,066,776 km (0.091 R)
• M48: 13,221,310 km (0.074 R)
• M49: 13,469,643 km (0.085 R)
• M50: 14,414,503 km (0.109 R)
• M51: 14,670,166 km (0.113 R)
• M52: 15,413,368 km (0.091 R)
• M53: 15,511,205 km (0.113 R)
• M54: 15,674,715 km (0.082 R)
• M55: 15,838,824 km (0.051 R)
• M56: 16,268,170 km (0.038 R)
• M57: 16,334,592 km (0.118 R)
• M58: 16,734,915 km (0.107 R)
• M59: 16,835,445 km (0.118 R)
• M60: 16,936,274 km (0.026 R)
• M61: 17,205,999 km (0.088 R)
• M62: 17,409,303 km (0.035 R)
• M63: 17,511,179 km (0.083 R)
• M64: 17,784,045 km (0.106 R)
• M65: 18,126,924 km (0.067 R)
• M66: 19,485,272 km (0.103 R)
• M67: 19,555,733 km (0.054 R)
• M68: 20,624,011 km (0.106 R)
• M69: 21,784,442 km (0.097 R)
• M70: 22,335,560 km (0.113 R)
• M71: 22,594,365 km (0.046 R)
• M72: 22,816,966 km (0.114 R)
• M73: 23,339,362 km (0.116 R)
• M74: 24,016,592 km (0.08 R)
• M75: 24,167,985 km (0.079 R)
• M76: 24,509,816 km (0.113 R)
• M77: 25,544,734 km (0.083 R)
• M78: 25,660,672 km (0.059 R)
• M79: 25,815,506 km (0.094 R)
• M80: 25,931,744 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.5

Radius: 8.5

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.41 AU - 3.89 AU

Year: 4813 Days

Day: 9.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 18,662,454 km

• M1: 116,537 km (0.106 R)
• M2: 313,108 km (0.088 R)
• M3: 442,062 km (0.061 R)
• M4: 915,988 km (0.056 R)
• M5: 985,551 km (0.105 R)
• M6: 1,130,362 km (0.098 R)
• M7: 1,522,906 km (0.084 R)
• M8: 1,765,404 km (0.077 R)
• M9: 1,917,097 km (0.062 R)
• M10: 1,981,573 km (0.089 R)
• M11: 2,694,706 km (0.083 R)
• M12: 2,767,261 km (0.096 R)
• M13: 2,958,896 km (0.104 R)
• M14: 3,154,869 km (0.08 R)
• M15: 3,449,129 km (0.115 R)
• M16: 3,543,824 km (0.107 R)
• M17: 3,800,833 km (0.099 R)
• M18: 3,948,187 km (0.112 R)
• M19: 4,265,185 km (0.091 R)
• M20: 4,782,644 km (0.066 R)
• M21: 4,870,757 km (0.078 R)
• M22: 5,338,101 km (0.086 R)
• M23: 5,670,058 km (0.067 R)
• M24: 5,744,857 km (0.108 R)
• M25: 5,819,806 km (0.101 R)
• M26: 5,876,354 km (0.082 R)
• M27: 6,392,915 km (0.079 R)
• M28: 6,451,259 km (0.106 R)
• M29: 7,184,887 km (0.106 R)
• M30: 7,861,368 km (0.078 R)
• M31: 8,366,111 km (0.087 R)
• M32: 8,451,382 km (0.09 R)
• M33: 9,230,787 km (0.108 R)
• M34: 9,673,597 km (0.025 R)
• M35: 10,305,349 km (0.114 R)
• M36: 10,419,641 km (0.113 R)
• M37: 11,043,614 km (0.068 R)
• M38: 11,277,884 km (0.107 R)
• M39: 12,110,546 km (0.09 R)
• M40: 12,327,762 km (0.104 R)
• M41: 12,619,628 km (0.032 R)
• M42: 12,815,302 km (0.089 R)
• M43: 12,889,053 km (0.041 R)
• M44: 13,408,756 km (0.03 R)
• M45: 13,608,470 km (0.076 R)
• M46: 13,960,623 km (0.113 R)
• M47: 14,417,495 km (0.105 R)
• M48: 14,776,380 km (0.119 R)
• M49: 15,086,347 km (0.072 R)
• M50: 15,372,378 km (0.105 R)
• M51: 16,081,921 km (0.065 R)
• M52: 16,400,714 km (0.028 R)
• M53: 16,909,795 km (0.081 R)
• M54: 16,990,728 km (0.12 R)
• M55: 17,369,659 km (0.097 R)
• M56: 17,806,335 km (0.081 R)
• M57: 18,080,997 km (0.06 R)
• M58: 18,523,508 km (0.102 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 16,132 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit