🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.5

Radius: 14.1

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.74 AU - 0.8 AU

Year: 443 Days

Day: 13 Hours

Environment

Temp: -147 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 81,737,286 km

• M1: 176,226 km (0.116 R)
• M2: 272,867 km (0.098 R)
• M3: 375,491 km (0.105 R)
• M4: 481,406 km (0.085 R)
• M5: 671,395 km (0.113 R)
• M6: 914,342 km (0.037 R)
• M7: 1,032,225 km (0.1 R)
• M8: 1,146,817 km (0.075 R)
• M9: 1,365,679 km (0.108 R)
• M10: 1,458,280 km (0.057 R)
• M11: 1,573,470 km (0.116 R)
• M12: 1,781,411 km (0.104 R)
• M13: 1,899,743 km (0.081 R)
• M14: 1,993,242 km (0.113 R)
• M15: 2,088,237 km (0.054 R)
• M16: 2,196,396 km (0.09 R)
• M17: 2,288,847 km (0.092 R)
• M18: 2,448,169 km (0.053 R)
• M19: 2,544,361 km (0.107 R)
• M20: 2,684,983 km (0.07 R)
• M21: 2,865,996 km (0.098 R)
• M22: 2,967,723 km (0.084 R)
• M23: 3,077,079 km (0.107 R)
• M24: 3,201,095 km (0.074 R)
• M25: 3,326,757 km (0.046 R)
• M26: 3,474,261 km (0.106 R)
• M27: 3,583,019 km (0.052 R)
• M28: 3,706,736 km (0.094 R)
• M29: 3,797,093 km (0.083 R)
• M30: 3,902,260 km (0.105 R)
• M31: 4,043,930 km (0.066 R)
• M32: 4,245,139 km (0.118 R)
• M33: 4,347,165 km (0.054 R)
• M34: 4,568,420 km (0.111 R)
• M35: 4,665,359 km (0.065 R)
• M36: 4,770,676 km (0.109 R)
• M37: 5,006,742 km (0.098 R)
• M38: 5,145,568 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.3

Radius: 14.1

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.78 AU - 1.04 AU

Year: 569 Days

Day: 6.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 81,737,286 km

• M1: 177,124 km (0.088 R)
• M2: 274,362 km (0.055 R)
• M3: 413,489 km (0.041 R)
• M4: 515,065 km (0.053 R)
• M5: 662,120 km (0.093 R)
• M6: 777,011 km (0.115 R)
• M7: 868,266 km (0.102 R)
• M8: 1,080,246 km (0.111 R)
• M9: 1,193,043 km (0.103 R)
• M10: 1,324,091 km (0.12 R)
• M11: 1,479,373 km (0.06 R)
• M12: 1,601,296 km (0.109 R)
• M13: 1,742,217 km (0.108 R)
• M14: 1,913,806 km (0.116 R)
• M15: 2,096,764 km (0.059 R)
• M16: 2,218,237 km (0.107 R)
• M17: 2,347,939 km (0.047 R)
• M18: 2,509,504 km (0.059 R)
• M19: 2,692,612 km (0.118 R)
• M20: 2,795,087 km (0.107 R)
• M21: 2,898,758 km (0.041 R)
• M22: 3,041,325 km (0.118 R)
• M23: 3,154,570 km (0.074 R)
• M24: 3,314,191 km (0.069 R)
• M25: 3,417,863 km (0.094 R)
• M26: 3,575,240 km (0.084 R)
• M27: 3,675,021 km (0.077 R)
• M28: 3,816,242 km (0.11 R)
• M29: 4,007,278 km (0.062 R)
• M30: 4,131,893 km (0.068 R)
• M31: 4,335,346 km (0.12 R)
• M32: 4,520,698 km (0.07 R)
• M33: 4,614,346 km (0.103 R)
• M34: 4,781,597 km (0.063 R)
• M35: 5,137,340 km (0.095 R)

Asteroid Belt

Center: 1.77 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.5

Radius: 14

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.37 AU - 2.87 AU

Year: 2782 Days

Day: 12.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 81,737,286 km

• M1: 174,581 km (0.108 R)
• M2: 288,873 km (0.091 R)
• M3: 419,173 km (0.055 R)
• M4: 538,104 km (0.081 R)
• M5: 635,193 km (0.105 R)
• M6: 892,351 km (0.05 R)
• M7: 1,012,329 km (0.037 R)
• M8: 1,120,039 km (0.058 R)
• M9: 1,367,773 km (0.095 R)
• M10: 1,560,455 km (0.079 R)
• M11: 1,676,394 km (0.063 R)
• M12: 1,839,455 km (0.071 R)
• M13: 2,134,911 km (0.101 R)
• M14: 2,276,730 km (0.049 R)
• M15: 2,385,188 km (0.108 R)
• M16: 2,645,040 km (0.103 R)
• M17: 2,914,466 km (0.104 R)
• M18: 3,247,171 km (0.114 R)
• M19: 3,425,043 km (0.03 R)
• M20: 3,578,231 km (0.078 R)
• M21: 4,022,238 km (0.067 R)
• M22: 4,169,293 km (0.094 R)
• M23: 4,499,156 km (0.079 R)
• M24: 4,698,121 km (0.115 R)
• M25: 4,994,325 km (0.109 R)
• M26: 5,703,718 km (0.089 R)
• M27: 5,902,833 km (0.072 R)
• M28: 6,003,213 km (0.067 R)
• M29: 7,180,847 km (0.12 R)
• M30: 7,270,307 km (0.11 R)
• M31: 7,888,296 km (0.107 R)
• M32: 8,017,548 km (0.031 R)
• M33: 8,353,396 km (0.061 R)
• M34: 8,466,342 km (0.101 R)
• M35: 8,560,888 km (0.106 R)
• M36: 8,942,662 km (0.025 R)
• M37: 9,077,599 km (0.068 R)
• M38: 9,174,538 km (0.052 R)
• M39: 9,310,672 km (0.068 R)
• M40: 9,881,687 km (0.087 R)
• M41: 10,081,401 km (0.108 R)
• M42: 10,221,873 km (0.105 R)
• M43: 10,383,289 km (0.099 R)
• M44: 10,606,639 km (0.09 R)
• M45: 11,099,414 km (0.056 R)
• M46: 11,620,763 km (0.101 R)
• M47: 11,916,218 km (0.101 R)
• M48: 12,171,582 km (0.119 R)
• M49: 12,687,545 km (0.09 R)
• M50: 13,430,747 km (0.108 R)
• M51: 13,585,581 km (0.066 R)
• M52: 14,210,601 km (0.085 R)
• M53: 14,413,605 km (0.095 R)
• M54: 14,526,701 km (0.063 R)
• M55: 14,913,711 km (0.051 R)
• M56: 15,235,047 km (0.108 R)
• M57: 15,396,463 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.6

Radius: 14.4

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 3.23 AU - 4.43 AU

Year: 4917 Days

Day: 13.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 81,737,286 km

• M1: 209,138 km (0.075 R)
• M2: 311,762 km (0.116 R)
• M3: 546,182 km (0.034 R)
• M4: 717,023 km (0.107 R)
• M5: 829,371 km (0.092 R)
• M6: 958,773 km (0.086 R)
• M7: 1,063,641 km (0.106 R)
• M8: 1,172,847 km (0.065 R)
• M9: 1,320,800 km (0.085 R)
• M10: 1,475,633 km (0.104 R)
• M11: 1,687,614 km (0.05 R)
• M12: 1,843,644 km (0.052 R)
• M13: 2,156,453 km (0.114 R)
• M14: 2,501,576 km (0.11 R)
• M15: 2,880,357 km (0.119 R)
• M16: 2,989,713 km (0.109 R)
• M17: 3,293,846 km (0.067 R)
• M18: 3,474,560 km (0.058 R)
• M19: 3,641,811 km (0.064 R)
• M20: 4,071,904 km (0.114 R)
• M21: 4,701,412 km (0.099 R)
• M22: 4,812,564 km (0.073 R)
• M23: 5,189,101 km (0.111 R)
• M24: 5,361,737 km (0.097 R)
• M25: 5,458,527 km (0.12 R)
• M26: 5,673,499 km (0.049 R)
• M27: 5,951,153 km (0.08 R)
• M28: 6,273,985 km (0.108 R)
• M29: 6,376,011 km (0.068 R)
• M30: 6,769,154 km (0.085 R)
• M31: 7,579,077 km (0.061 R)
• M32: 8,128,700 km (0.104 R)
• M33: 8,397,078 km (0.06 R)
• M34: 8,736,815 km (0.093 R)
• M35: 9,266,541 km (0.087 R)
• M36: 9,429,902 km (0.064 R)
• M37: 9,830,525 km (0.097 R)
• M38: 10,116,706 km (0.114 R)
• M39: 10,746,213 km (0.086 R)
• M40: 10,967,169 km (0.111 R)
• M41: 11,463,535 km (0.12 R)
• M42: 11,563,616 km (0.078 R)
• M43: 11,714,411 km (0.1 R)
• M44: 12,788,224 km (0.073 R)
• M45: 13,468,895 km (0.112 R)
• M46: 13,680,576 km (0.105 R)
• M47: 13,840,197 km (0.101 R)
• M48: 14,027,194 km (0.05 R)
• M49: 14,974,597 km (0.111 R)
• M50: 15,139,005 km (0.119 R)
• M51: 15,359,363 km (0.099 R)
• M52: 15,580,618 km (0.08 R)
• M53: 15,719,445 km (0.099 R)
• M54: 15,914,670 km (0.08 R)
• M55: 16,589,805 km (0.099 R)
• M56: 17,102,328 km (0.118 R)
• M57: 17,504,447 km (0.088 R)
• M58: 17,620,086 km (0.057 R)
• M59: 17,735,725 km (0.098 R)
• M60: 18,789,044 km (0.118 R)
• M61: 18,936,846 km (0.098 R)
• M62: 19,382,947 km (0.087 R)
• M63: 19,532,396 km (0.067 R)
• M64: 19,712,212 km (0.081 R)
• M65: 20,043,272 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 996.5

Radius: 3.1

Gravity: 103.69 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 5.71 AU - 7.23 AU

Year: 10796 Days

Day: 23.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 81,737,286 km

• M1: 52,958 km (0.11 R)
• M2: 857,196 km (0.109 R)
• M3: 1,235,230 km (0.065 R)
• M4: 1,479,074 km (0.111 R)
• M5: 1,658,442 km (0.064 R)
• M6: 1,764,208 km (0.111 R)
• M7: 1,926,671 km (0.112 R)
• M8: 2,237,087 km (0.101 R)
• M9: 2,295,280 km (0.077 R)
• M10: 2,353,773 km (0.036 R)
• M11: 3,901,662 km (0.045 R)
• M12: 4,184,252 km (0.112 R)
• M13: 4,731,781 km (0.109 R)
• M14: 4,994,923 km (0.118 R)
• M15: 5,772,533 km (0.098 R)
• M16: 5,852,418 km (0.12 R)
• M17: 6,339,060 km (0.093 R)
• M18: 6,587,093 km (0.092 R)
• M19: 6,628,831 km (0.094 R)
• M20: 7,007,763 km (0.079 R)
• M21: 7,480,342 km (0.082 R)
• M22: 7,698,606 km (0.076 R)
• M23: 8,052,105 km (0.062 R)
• M24: 8,637,781 km (0.103 R)
• M25: 9,283,745 km (0.092 R)
• M26: 9,377,243 km (0.09 R)
• M27: 9,424,217 km (0.063 R)
• M28: 10,475,292 km (0.03 R)
• M29: 10,670,367 km (0.115 R)
• M30: 11,262,775 km (0.073 R)
• M31: 11,512,753 km (0.102 R)
• M32: 12,530,766 km (0.116 R)
• M33: 13,050,469 km (0.088 R)
• M34: 13,418,480 km (0.091 R)
• M35: 14,597,162 km (0.071 R)
• M36: 14,979,085 km (0.095 R)
• M37: 15,585,854 km (0.061 R)
• M38: 16,482,693 km (0.074 R)
• M39: 16,539,241 km (0.091 R)
• M40: 17,280,948 km (0.077 R)
• M41: 17,338,543 km (0.112 R)
• M42: 17,858,844 km (0.062 R)
• M43: 17,975,231 km (0.06 R)
• M44: 18,443,173 km (0.115 R)
• M45: 18,619,699 km (0.056 R)
• M46: 18,855,914 km (0.108 R)
• M47: 20,172,525 km (0.032 R)
• M48: 20,658,718 km (0.09 R)
• M49: 21,148,651 km (0.088 R)
• M50: 22,390,313 km (0.089 R)
• M51: 22,452,995 km (0.093 R)
• M52: 22,578,507 km (0.095 R)
• M53: 23,527,706 km (0.083 R)
• M54: 23,591,435 km (0.116 R)
• M55: 23,910,976 km (0.087 R)
• M56: 25,595,747 km (0.056 R)
• M57: 27,184,476 km (0.096 R)
• M58: 27,385,386 km (0.093 R)
• M59: 27,586,745 km (0.091 R)
• M60: 27,653,914 km (0.097 R)
• M61: 28,804,920 km (0.102 R)
• M62: 31,153,457 km (0.09 R)
• M63: 31,363,642 km (0.116 R)
• M64: 31,714,898 km (0.059 R)
• M65: 32,776,594 km (0.116 R)
• M66: 33,204,594 km (0.049 R)
• M67: 34,138,084 km (0.101 R)
• M68: 34,427,108 km (0.106 R)
• M69: 37,957,617 km (0.116 R)
• M70: 39,537,969 km (0.114 R)
• M71: 39,841,354 km (0.098 R)
• M72: 40,145,636 km (0.109 R)
• M73: 40,297,926 km (0.107 R)
• M74: 42,529,328 km (0.072 R)
• M75: 43,464,315 km (0.074 R)
• M76: 45,195,910 km (0.106 R)
• M77: 45,275,197 km (0.064 R)
• M78: 45,672,080 km (0.049 R)
• M79: 46,789,726 km (0.086 R)
• M80: 47,593,366 km (0.042 R)
• M81: 48,401,643 km (0.09 R)
• M82: 49,459,300 km (0.084 R)
• M83: 49,622,661 km (0.116 R)
• M84: 50,031,811 km (0.052 R)
• M85: 50,771,273 km (0.057 R)
• M86: 52,343,996 km (0.099 R)
• M87: 52,427,322 km (0.111 R)
• M88: 54,269,320 km (0.064 R)
• M89: 55,707,105 km (0.057 R)
• M90: 55,962,170 km (0.071 R)
• M91: 56,217,533 km (0.068 R)
• M92: 57,071,737 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 18.4

Radius: 6.7

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 6.01 AU - 7.05 AU

Year: 10947 Days

Day: 19.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 81,737,286 km

• M1: 108,458 km (0.12 R)
• M2: 263,143 km (0.036 R)
• M3: 614,099 km (0.111 R)
• M4: 1,017,714 km (0.058 R)
• M5: 1,480,570 km (0.092 R)
• M6: 2,427,076 km (0.103 R)
• M7: 2,828,297 km (0.106 R)
• M8: 2,905,939 km (0.097 R)
• M9: 2,997,343 km (0.075 R)
• M10: 3,905,252 km (0.117 R)
• M11: 4,255,162 km (0.112 R)
• M12: 4,314,403 km (0.09 R)
• M13: 4,798,950 km (0.087 R)
• M14: 4,860,734 km (0.081 R)
• M15: 5,078,997 km (0.076 R)
• M16: 5,126,121 km (0.119 R)
• M17: 5,736,779 km (0.098 R)
• M18: 5,802,303 km (0.117 R)
• M19: 6,201,281 km (0.094 R)
• M20: 6,591,881 km (0.11 R)
• M21: 6,677,899 km (0.117 R)
• M22: 6,850,984 km (0.115 R)
• M23: 7,148,534 km (0.099 R)
• M24: 7,702,196 km (0.029 R)
• M25: 8,232,520 km (0.062 R)
• M26: 8,624,018 km (0.119 R)
• M27: 9,174,538 km (0.088 R)
• M28: 9,232,133 km (0.12 R)
• M29: 9,991,791 km (0.067 R)
• M30: 10,189,859 km (0.111 R)
• M31: 10,469,308 km (0.069 R)
• M32: 10,589,884 km (0.119 R)
• M33: 11,987,726 km (0.09 R)
• M34: 12,240,397 km (0.049 R)
• M35: 12,303,976 km (0.114 R)
• M36: 12,944,405 km (0.025 R)
• M37: 13,573,763 km (0.086 R)
• M38: 13,683,418 km (0.072 R)
• M39: 14,794,781 km (0.107 R)
• M40: 15,111,180 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 638.9

Radius: 4.7

Gravity: 28.92 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 8.62 AU - 12.84 AU

Year: 23057 Days

Day: 19.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 81,737,286 km

• M1: 65,823 km (0.05 R)
• M2: 193,729 km (0.061 R)
• M3: 223,798 km (0.057 R)
• M4: 306,975 km (0.094 R)
• M5: 400,922 km (0.076 R)
• M6: 687,552 km (0.085 R)
• M7: 1,228,947 km (0.08 R)
• M8: 1,319,453 km (0.119 R)
• M9: 2,154,509 km (0.095 R)
• M10: 2,525,960 km (0.1 R)
• M11: 3,369,243 km (0.088 R)
• M12: 3,931,133 km (0.054 R)
• M13: 4,382,918 km (0.049 R)
• M14: 6,823,009 km (0.084 R)
• M15: 7,695,165 km (0.093 R)
• M16: 7,750,965 km (0.066 R)
• M17: 9,363,331 km (0.098 R)
• M18: 9,721,917 km (0.072 R)
• M19: 9,782,205 km (0.096 R)
• M20: 10,576,121 km (0.096 R)
• M21: 10,824,603 km (0.077 R)
• M22: 11,263,972 km (0.034 R)
• M23: 11,454,111 km (0.095 R)
• M24: 12,030,661 km (0.112 R)
• M25: 12,485,737 km (0.104 R)
• M26: 13,681,473 km (0.062 R)
• M27: 14,292,880 km (0.1 R)
• M28: 14,843,849 km (0.034 R)
• M29: 18,815,223 km (0.111 R)
• M30: 19,494,398 km (0.105 R)
• M31: 19,798,829 km (0.111 R)
• M32: 19,875,274 km (0.054 R)
• M33: 20,567,014 km (0.054 R)
• M34: 20,876,981 km (0.057 R)
• M35: 21,032,413 km (0.067 R)
• M36: 21,973,833 km (0.09 R)
• M37: 24,550,507 km (0.117 R)
• M38: 24,632,636 km (0.03 R)
• M39: 25,292,362 km (0.066 R)
• M40: 25,375,240 km (0.108 R)
• M41: 25,790,823 km (0.106 R)
• M42: 26,041,399 km (0.103 R)
• M43: 26,376,648 km (0.117 R)
• M44: 26,629,019 km (0.119 R)
• M45: 26,797,766 km (0.111 R)
• M46: 27,136,156 km (0.112 R)
• M47: 27,476,043 km (0.064 R)
• M48: 30,951,650 km (0.042 R)
• M49: 33,102,269 km (0.074 R)
• M50: 33,374,537 km (0.105 R)
• M51: 36,230,510 km (0.102 R)
• M52: 37,356,982 km (0.059 R)
• M53: 39,547,843 km (0.077 R)
• M54: 39,740,375 km (0.072 R)
• M55: 40,222,828 km (0.12 R)
• M56: 40,416,408 km (0.11 R)
• M57: 41,291,256 km (0.086 R)
• M58: 41,584,319 km (0.087 R)
• M59: 42,862,034 km (0.075 R)
• M60: 43,953,051 km (0.115 R)
• M61: 44,452,110 km (0.083 R)
• M62: 45,556,441 km (0.069 R)
• M63: 45,859,227 km (0.119 R)
• M64: 46,466,744 km (0.097 R)
• M65: 48,099,755 km (0.061 R)
• M66: 49,233,407 km (0.069 R)
• M67: 49,855,435 km (0.102 R)
• M68: 50,063,376 km (0.102 R)
• M69: 50,167,347 km (0.12 R)
• M70: 50,375,737 km (0.054 R)
• M71: 50,584,426 km (0.117 R)
• M72: 51,421,874 km (0.073 R)
• M73: 51,526,892 km (0.097 R)
• M74: 53,429,029 km (0.075 R)
• M75: 55,892,906 km (0.101 R)
• M76: 56,000,916 km (0.101 R)
• M77: 58,722,400 km (0.087 R)
• M78: 60,597,460 km (0.094 R)
• M79: 63,503,099 km (0.11 R)
• M80: 64,066,934 km (0.096 R)
• M81: 64,292,976 km (0.071 R)
• M82: 65,313,533 km (0.108 R)
• M83: 66,110,889 km (0.108 R)
• M84: 66,682,503 km (0.095 R)
• M85: 68,984,964 km (0.086 R)
• M86: 69,216,691 km (0.049 R)
• M87: 70,612,289 km (0.092 R)
• M88: 71,547,725 km (0.058 R)
• M89: 72,722,966 km (0.117 R)
• M90: 75,449,836 km (0.08 R)
• M91: 79,541,936 km (0.058 R)
• M92: 80,759,064 km (0.09 R)
• M93: 81,003,208 km (0.118 R)
• M94: 81,125,429 km (0.119 R)
• M95: 81,737,285 km (0.066 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 490 - 12,394 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit