🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.79 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.6

Radius: 11.5

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.45 AU - 1.71 AU

Year: 1324 Days

Day: 9.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (64)

Outer Limit: 80,940,286 km

• M1: 162,463 km (0.078 R)
• M2: 268,079 km (0.113 R)
• M3: 340,335 km (0.074 R)
• M4: 490,681 km (0.119 R)
• M5: 714,779 km (0.097 R)
• M6: 880,982 km (0.052 R)
• M7: 1,004,699 km (0.089 R)
• M8: 1,126,472 km (0.098 R)
• M9: 1,210,396 km (0.027 R)
• M10: 1,288,038 km (0.026 R)
• M11: 1,385,276 km (0.084 R)
• M12: 1,494,184 km (0.069 R)
• M13: 1,606,232 km (0.067 R)
• M14: 1,760,169 km (0.093 R)
• M15: 1,839,156 km (0.108 R)
• M16: 1,919,191 km (0.063 R)
• M17: 2,535,684 km (0.053 R)
• M18: 2,738,987 km (0.097 R)
• M19: 2,971,463 km (0.042 R)
• M20: 3,271,107 km (0.049 R)
• M21: 3,356,827 km (0.078 R)
• M22: 3,543,076 km (0.118 R)
• M23: 3,669,187 km (0.106 R)
• M24: 3,899,867 km (0.107 R)
• M25: 4,043,331 km (0.083 R)
• M26: 4,456,969 km (0.059 R)
• M27: 4,744,945 km (0.064 R)
• M28: 5,081,540 km (0.07 R)
• M29: 5,382,531 km (0.096 R)
• M30: 5,630,565 km (0.08 R)
• M31: 5,704,167 km (0.11 R)
• M32: 5,927,068 km (0.116 R)
• M33: 6,198,438 km (0.081 R)
• M34: 6,320,360 km (0.082 R)
• M35: 6,412,363 km (0.043 R)
• M36: 6,628,682 km (0.119 R)
• M37: 6,894,667 km (0.07 R)
• M38: 7,052,792 km (0.117 R)
• M39: 7,260,134 km (0.082 R)
• M40: 7,599,422 km (0.1 R)
• M41: 7,746,327 km (0.09 R)
• M42: 7,960,402 km (0.109 R)
• M43: 8,411,140 km (0.083 R)
• M44: 8,580,186 km (0.096 R)
• M45: 8,784,686 km (0.067 R)
• M46: 8,973,479 km (0.114 R)
• M47: 9,128,911 km (0.102 R)
• M48: 9,267,887 km (0.1 R)
• M49: 9,372,606 km (0.1 R)
• M50: 9,583,090 km (0.109 R)
• M51: 9,671,353 km (0.12 R)
• M52: 9,937,487 km (0.115 R)
• M53: 10,659,297 km (0.067 R)
• M54: 10,897,606 km (0.067 R)
• M55: 11,082,061 km (0.12 R)
• M56: 11,156,112 km (0.105 R)
• M57: 11,304,812 km (0.088 R)
• M58: 11,528,910 km (0.087 R)
• M59: 11,716,954 km (0.108 R)
• M60: 11,792,501 km (0.118 R)
• M61: 11,943,894 km (0.084 R)
• M62: 12,517,602 km (0.111 R)
• M63: 12,905,060 km (0.068 R)
• M64: 13,178,675 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.2

Radius: 10.4

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.57 AU - 1.83 AU

Year: 1478 Days

Day: 11.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 80,940,286 km

• M1: 129,701 km (0.032 R)
• M2: 204,051 km (0.093 R)
• M3: 297,550 km (0.087 R)
• M4: 397,332 km (0.04 R)
• M5: 481,556 km (0.096 R)
• M6: 658,231 km (0.055 R)
• M7: 726,746 km (0.097 R)
• M8: 849,716 km (0.082 R)
• M9: 917,783 km (0.067 R)
• M10: 1,003,802 km (0.09 R)
• M11: 1,244,205 km (0.093 R)
• M12: 1,313,769 km (0.072 R)
• M13: 1,411,905 km (0.086 R)
• M14: 1,625,082 km (0.106 R)
• M15: 1,809,237 km (0.029 R)
• M16: 1,878,949 km (0.068 R)
• M17: 2,000,572 km (0.097 R)
• M18: 2,326,845 km (0.097 R)
• M19: 2,502,024 km (0.096 R)
• M20: 2,681,691 km (0.071 R)
• M21: 3,282,476 km (0.114 R)
• M22: 3,442,247 km (0.066 R)
• M23: 3,554,445 km (0.09 R)
• M24: 3,782,433 km (0.086 R)
• M25: 4,252,918 km (0.106 R)
• M26: 4,440,962 km (0.064 R)
• M27: 4,549,570 km (0.099 R)
• M28: 4,741,953 km (0.034 R)
• M29: 5,191,794 km (0.111 R)
• M30: 5,335,258 km (0.099 R)
• M31: 5,407,365 km (0.1 R)
• M32: 5,684,719 km (0.099 R)
• M33: 5,802,901 km (0.039 R)
• M34: 6,529,349 km (0.079 R)
• M35: 6,840,512 km (0.114 R)
• M36: 7,204,334 km (0.113 R)
• M37: 7,316,383 km (0.103 R)
• M38: 7,477,350 km (0.116 R)
• M39: 7,574,589 km (0.091 R)
• M40: 8,000,494 km (0.057 R)
• M41: 8,149,793 km (0.106 R)
• M42: 8,350,254 km (0.089 R)
• M43: 8,569,415 km (0.088 R)
• M44: 8,688,196 km (0.069 R)
• M45: 9,151,351 km (0.112 R)
• M46: 9,412,100 km (0.066 R)
• M47: 9,534,770 km (0.098 R)
• M48: 9,781,457 km (0.1 R)
• M49: 10,048,190 km (0.049 R)
• M50: 10,155,451 km (0.105 R)
• M51: 10,245,210 km (0.109 R)
• M52: 10,317,316 km (0.096 R)
• M53: 10,552,484 km (0.114 R)
• M54: 10,844,350 km (0.091 R)
• M55: 11,157,458 km (0.092 R)
• M56: 11,473,409 km (0.096 R)
• M57: 11,548,208 km (0.119 R)
• M58: 11,679,555 km (0.117 R)
• M59: 11,886,897 km (0.063 R)
• M60: 12,076,438 km (0.09 R)
• M61: 12,266,876 km (0.046 R)
• M62: 12,362,618 km (0.07 R)
• M63: 12,458,511 km (0.098 R)
• M64: 12,593,149 km (0.091 R)
• M65: 13,117,190 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.1

Radius: 8.3

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.3 AU - 5.28 AU

Year: 5925 Days

Day: 7.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 80,940,286 km

• M1: 107,561 km (0.055 R)
• M2: 215,870 km (0.107 R)
• M3: 278,252 km (0.078 R)
• M4: 339,138 km (0.106 R)
• M5: 472,131 km (0.082 R)
• M6: 536,757 km (0.113 R)
• M7: 736,171 km (0.076 R)
• M8: 812,765 km (0.096 R)
• M9: 1,593,367 km (0.069 R)
• M10: 1,835,715 km (0.094 R)
• M11: 1,912,758 km (0.088 R)
• M12: 2,241,874 km (0.094 R)
• M13: 3,032,199 km (0.099 R)
• M14: 3,511,062 km (0.084 R)
• M15: 4,051,110 km (0.107 R)
• M16: 4,538,351 km (0.101 R)
• M17: 4,842,333 km (0.111 R)
• M18: 5,180,275 km (0.09 R)
• M19: 5,525,996 km (0.097 R)
• M20: 6,846,347 km (0.03 R)
• M21: 7,271,504 km (0.093 R)
• M22: 7,564,865 km (0.08 R)
• M23: 7,705,188 km (0.118 R)
• M24: 8,099,528 km (0.058 R)
• M25: 8,387,653 km (0.06 R)
• M26: 8,973,778 km (0.043 R)
• M27: 9,708,154 km (0.088 R)
• M28: 9,809,731 km (0.085 R)
• M29: 9,997,027 km (0.087 R)
• M30: 10,635,661 km (0.103 R)
• M31: 10,828,043 km (0.051 R)
• M32: 11,039,276 km (0.085 R)
• M33: 11,394,271 km (0.081 R)
• M34: 11,609,094 km (0.113 R)
• M35: 11,735,055 km (0.1 R)
• M36: 11,988,325 km (0.118 R)
• M37: 12,170,236 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.4

Radius: 13.5

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 4.97 AU - 5.21 AU

Year: 7658 Days

Day: 9.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 80,940,286 km

• M1: 215,271 km (0.12 R)
• M2: 425,606 km (0.104 R)
• M3: 655,388 km (0.1 R)
• M4: 849,267 km (0.112 R)
• M5: 995,574 km (0.085 R)
• M6: 1,080,845 km (0.088 R)
• M7: 1,186,910 km (0.028 R)
• M8: 1,296,565 km (0.118 R)
• M9: 1,448,706 km (0.104 R)
• M10: 1,586,934 km (0.074 R)
• M11: 1,729,800 km (0.086 R)
• M12: 1,855,762 km (0.092 R)
• M13: 2,391,322 km (0.116 R)
• M14: 2,580,563 km (0.071 R)
• M15: 2,873,775 km (0.087 R)
• M16: 3,203,788 km (0.101 R)
• M17: 3,334,088 km (0.052 R)
• M18: 3,681,304 km (0.064 R)
• M19: 4,911,896 km (0.12 R)
• M20: 5,062,841 km (0.114 R)
• M21: 5,968,656 km (0.059 R)
• M22: 6,522,916 km (0.107 R)
• M23: 6,655,759 km (0.062 R)
• M24: 7,230,514 km (0.106 R)
• M25: 7,541,378 km (0.057 R)
• M26: 7,715,959 km (0.04 R)
• M27: 8,033,555 km (0.069 R)
• M28: 8,355,490 km (0.033 R)
• M29: 8,463,799 km (0.055 R)
• M30: 8,718,265 km (0.079 R)
• M31: 9,197,726 km (0.113 R)
• M32: 11,081,163 km (0.099 R)
• M33: 11,923,997 km (0.092 R)
• M34: 12,373,689 km (0.113 R)
• M35: 12,497,406 km (0.079 R)
• M36: 12,912,540 km (0.084 R)
• M37: 13,543,694 km (0.09 R)
• M38: 13,841,693 km (0.089 R)
• M39: 14,141,936 km (0.105 R)
• M40: 14,661,639 km (0.108 R)
• M41: 15,675,164 km (0.06 R)
• M42: 16,122,911 km (0.105 R)
• M43: 16,393,533 km (0.05 R)
• M44: 16,711,279 km (0.107 R)
• M45: 16,802,384 km (0.099 R)
• M46: 17,168,600 km (0.028 R)
• M47: 18,377,201 km (0.103 R)
• M48: 19,086,893 km (0.077 R)
• M49: 19,182,187 km (0.104 R)
• M50: 19,709,220 km (0.069 R)
• M51: 20,435,668 km (0.092 R)
• M52: 21,616,144 km (0.059 R)
• M53: 21,864,776 km (0.049 R)
• M54: 22,164,570 km (0.115 R)
• M55: 22,869,176 km (0.053 R)
• M56: 23,122,595 km (0.065 R)
• M57: 23,837,374 km (0.118 R)
• M58: 24,507,422 km (0.097 R)
• M59: 25,550,419 km (0.045 R)
• M60: 25,971,686 km (0.073 R)
• M61: 26,767,846 km (0.102 R)
• M62: 26,981,472 km (0.072 R)
• M63: 28,438,406 km (0.119 R)
• M64: 28,656,519 km (0.098 R)
• M65: 29,094,243 km (0.098 R)
• M66: 29,534,210 km (0.109 R)
• M67: 30,755,377 km (0.115 R)
• M68: 30,923,077 km (0.11 R)
• M69: 31,091,225 km (0.117 R)
• M70: 31,259,672 km (0.115 R)
• M71: 31,823,207 km (0.036 R)
• M72: 31,936,303 km (0.1 R)
• M73: 34,168,902 km (0.08 R)
• M74: 34,749,491 km (0.046 R)
• M75: 36,097,069 km (0.106 R)
• M76: 36,629,039 km (0.093 R)
• M77: 36,747,670 km (0.112 R)
• M78: 37,223,241 km (0.025 R)
• M79: 37,760,747 km (0.114 R)
• M80: 40,241,528 km (0.034 R)
• M81: 40,547,605 km (0.066 R)
• M82: 40,854,580 km (0.04 R)
• M83: 41,223,937 km (0.072 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 98.1

Radius: 4.4

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 7.19 AU - 8.03 AU

Year: 13999 Days

Day: 21.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 80,940,286 km

• M1: 130,449 km (0.086 R)
• M2: 163,959 km (0.104 R)
• M3: 193,729 km (0.119 R)
• M4: 225,743 km (0.088 R)
• M5: 277,654 km (0.086 R)
• M6: 343,926 km (0.107 R)
• M7: 384,167 km (0.112 R)
• M8: 492,327 km (0.076 R)
• M9: 724,054 km (0.118 R)
• M10: 831,016 km (0.093 R)
• M11: 1,001,109 km (0.065 R)
• M12: 1,182,122 km (0.118 R)
• M13: 1,660,836 km (0.098 R)
• M14: 1,948,063 km (0.063 R)
• M15: 2,097,512 km (0.095 R)
• M16: 2,173,507 km (0.094 R)
• M17: 2,231,252 km (0.071 R)
• M18: 3,048,057 km (0.105 R)
• M19: 3,091,141 km (0.109 R)
• M20: 3,375,975 km (0.046 R)
• M21: 3,600,970 km (0.066 R)
• M22: 3,692,225 km (0.095 R)
• M23: 3,830,603 km (0.096 R)
• M24: 4,256,059 km (0.096 R)
• M25: 4,548,074 km (0.085 R)
• M26: 4,972,633 km (0.044 R)
• M27: 5,023,347 km (0.096 R)
• M28: 5,461,968 km (0.07 R)
• M29: 5,646,272 km (0.116 R)
• M30: 5,752,337 km (0.077 R)
• M31: 6,101,948 km (0.117 R)
• M32: 6,403,238 km (0.108 R)
• M33: 6,934,759 km (0.091 R)
• M34: 7,364,404 km (0.12 R)
• M35: 7,655,671 km (0.082 R)
• M36: 7,743,635 km (0.1 R)
• M37: 8,249,275 km (0.101 R)
• M38: 8,399,920 km (0.036 R)
• M39: 8,734,720 km (0.079 R)
• M40: 8,796,056 km (0.043 R)
• M41: 8,826,873 km (0.049 R)
• M42: 8,950,141 km (0.116 R)
• M43: 9,291,973 km (0.077 R)
• M44: 9,354,654 km (0.111 R)
• M45: 10,734,694 km (0.115 R)
• M46: 10,767,456 km (0.092 R)
• M47: 10,998,435 km (0.115 R)
• M48: 11,164,190 km (0.108 R)
• M49: 11,565,711 km (0.114 R)
• M50: 11,734,457 km (0.1 R)
• M51: 12,142,710 km (0.051 R)
• M52: 12,211,225 km (0.119 R)
• M53: 12,279,741 km (0.089 R)
• M54: 12,728,984 km (0.052 R)
• M55: 13,394,993 km (0.118 R)
• M56: 13,536,663 km (0.068 R)
• M57: 13,964,662 km (0.111 R)
• M58: 14,144,179 km (0.108 R)
• M59: 15,127,486 km (0.115 R)
• M60: 15,201,088 km (0.102 R)
• M61: 15,608,743 km (0.114 R)
• M62: 15,832,541 km (0.102 R)
• M63: 16,094,936 km (0.102 R)
• M64: 17,390,004 km (0.098 R)
• M65: 17,544,539 km (0.082 R)
• M66: 18,324,094 km (0.044 R)
• M67: 18,678,491 km (0.098 R)
• M68: 18,836,765 km (0.094 R)
• M69: 18,955,845 km (0.058 R)
• M70: 19,274,339 km (0.025 R)
• M71: 20,038,036 km (0.112 R)
• M72: 20,852,447 km (0.107 R)
• M73: 21,969,046 km (0.078 R)
• M74: 22,893,261 km (0.039 R)
• M75: 24,001,632 km (0.107 R)
• M76: 24,216,754 km (0.074 R)
• M77: 24,389,390 km (0.115 R)
• M78: 24,605,708 km (0.026 R)
• M79: 25,433,433 km (0.118 R)
• M80: 26,226,003 km (0.103 R)
• M81: 26,892,611 km (0.048 R)
• M82: 27,250,449 km (0.099 R)
• M83: 27,385,087 km (0.093 R)
• M84: 27,474,995 km (0.101 R)
• M85: 27,745,169 km (0.094 R)
• M86: 29,338,386 km (0.117 R)
• M87: 29,614,544 km (0.098 R)
• M88: 30,867,725 km (0.111 R)
• M89: 30,961,224 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 910.3

Radius: 3.7

Gravity: 66.49 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 9.13 AU - 9.55 AU

Year: 19035 Days

Day: 22.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 80,940,286 km

• M1: 48,619 km (0.09 R)
• M2: 209,736 km (0.079 R)
• M3: 241,301 km (0.107 R)
• M4: 530,923 km (0.083 R)
• M5: 977,772 km (0.058 R)
• M6: 1,118,094 km (0.113 R)
• M7: 1,205,310 km (0.105 R)
• M8: 1,774,380 km (0.102 R)
• M9: 1,910,814 km (0.109 R)
• M10: 2,759,183 km (0.047 R)
• M11: 3,969,729 km (0.071 R)
• M12: 4,103,170 km (0.097 R)
• M13: 5,418,584 km (0.108 R)
• M14: 5,766,250 km (0.111 R)
• M15: 6,223,720 km (0.025 R)
• M16: 6,692,710 km (0.12 R)
• M17: 7,065,507 km (0.037 R)
• M18: 7,227,223 km (0.103 R)
• M19: 7,719,849 km (0.116 R)
• M20: 8,054,349 km (0.056 R)
• M21: 8,564,777 km (0.104 R)
• M22: 8,679,668 km (0.061 R)
• M23: 9,438,578 km (0.093 R)
• M24: 11,521,430 km (0.103 R)
• M25: 11,648,289 km (0.086 R)
• M26: 11,967,381 km (0.117 R)
• M27: 12,095,736 km (0.085 R)
• M28: 12,875,739 km (0.085 R)
• M29: 13,873,557 km (0.081 R)
• M30: 14,143,731 km (0.041 R)
• M31: 14,347,633 km (0.087 R)
• M32: 14,415,700 km (0.027 R)
• M33: 14,484,066 km (0.088 R)
• M34: 14,620,798 km (0.053 R)
• M35: 16,724,444 km (0.102 R)
• M36: 17,957,878 km (0.104 R)
• M37: 18,474,140 km (0.065 R)
• M38: 18,771,391 km (0.118 R)
• M39: 19,220,185 km (0.117 R)
• M40: 22,459,128 km (0.079 R)
• M41: 23,897,961 km (0.098 R)
• M42: 24,546,916 km (0.076 R)
• M43: 24,791,808 km (0.115 R)
• M44: 25,696,576 km (0.099 R)
• M45: 25,779,453 km (0.111 R)
• M46: 26,947,663 km (0.107 R)
• M47: 28,133,226 km (0.062 R)
• M48: 28,732,365 km (0.116 R)
• M49: 28,904,253 km (0.113 R)
• M50: 29,682,162 km (0.063 R)
• M51: 30,994,136 km (0.074 R)
• M52: 31,258,774 km (0.047 R)
• M53: 31,524,161 km (0.096 R)
• M54: 32,682,796 km (0.086 R)
• M55: 33,855,195 km (0.056 R)
• M56: 36,334,181 km (0.105 R)
• M57: 36,986,278 km (0.097 R)
• M58: 38,018,803 km (0.075 R)
• M59: 38,113,199 km (0.065 R)
• M60: 40,400,700 km (0.1 R)
• M61: 40,496,892 km (0.103 R)
• M62: 40,786,214 km (0.112 R)
• M63: 42,830,319 km (0.112 R)
• M64: 43,026,741 km (0.1 R)
• M65: 45,707,385 km (0.108 R)
• M66: 47,422,675 km (0.111 R)
• M67: 47,727,555 km (0.092 R)
• M68: 49,159,057 km (0.039 R)
• M69: 50,708,293 km (0.108 R)
• M70: 50,812,114 km (0.087 R)
• M71: 51,124,025 km (0.074 R)
• M72: 52,693,456 km (0.083 R)
• M73: 53,009,257 km (0.072 R)
• M74: 54,491,174 km (0.075 R)
• M75: 56,201,526 km (0.111 R)
• M76: 57,604,006 km (0.084 R)
• M77: 59,674,441 km (0.103 R)
• M78: 60,113,361 km (0.117 R)
• M79: 60,223,316 km (0.106 R)
• M80: 62,992,821 km (0.058 R)
• M81: 63,327,920 km (0.08 R)
• M82: 64,561,654 km (0.08 R)
• M83: 64,899,595 km (0.054 R)
• M84: 65,690,220 km (0.042 R)
• M85: 66,939,213 km (0.092 R)
• M86: 68,884,584 km (0.116 R)
• M87: 68,999,624 km (0.073 R)
• M88: 69,460,386 km (0.111 R)
• M89: 69,806,555 km (0.097 R)
• M90: 71,895,839 km (0.082 R)
• M91: 73,182,680 km (0.073 R)
• M92: 76,373,453 km (0.126 R)
• M93: 76,849,922 km (0.032 R)
• M94: 77,208,059 km (0.054 R)
• M95: 78,045,658 km (0.088 R)
• M96: 78,405,590 km (0.202 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 522 - 14,006 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit