🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.4

Radius: 10.3

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.9 AU - 0.92 AU

Year: 569 Days

Day: 11.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 35,324,761 km

• M1: 128,355 km (0.061 R)
• M2: 250,427 km (0.076 R)
• M3: 324,029 km (0.052 R)
• M4: 600,486 km (0.104 R)
• M5: 673,190 km (0.08 R)
• M6: 749,186 km (0.12 R)
• M7: 823,387 km (0.111 R)
• M8: 910,752 km (0.097 R)
• M9: 1,078,601 km (0.065 R)
• M10: 1,158,037 km (0.093 R)
• M11: 1,251,237 km (0.062 R)
• M12: 1,329,027 km (0.117 R)
• M13: 1,458,130 km (0.064 R)
• M14: 1,540,260 km (0.086 R)
• M15: 1,663,229 km (0.058 R)
• M16: 1,755,980 km (0.086 R)
• M17: 1,823,299 km (0.116 R)
• M18: 1,891,515 km (0.053 R)
• M19: 1,988,604 km (0.062 R)
• M20: 2,209,561 km (0.062 R)
• M21: 2,312,035 km (0.096 R)
• M22: 2,416,155 km (0.117 R)
• M23: 2,544,660 km (0.092 R)
• M24: 2,629,183 km (0.11 R)
• M25: 2,960,243 km (0.118 R)
• M26: 3,049,253 km (0.102 R)
• M27: 3,246,423 km (0.096 R)
• M28: 3,338,276 km (0.055 R)
• M29: 3,439,554 km (0.109 R)
• M30: 4,221,951 km (0.098 R)
• M31: 4,405,208 km (0.102 R)
• M32: 4,628,558 km (0.099 R)
• M33: 4,760,653 km (0.115 R)
• M34: 4,874,946 km (0.091 R)
• M35: 4,980,412 km (0.042 R)
• M36: 5,077,053 km (0.096 R)
• M37: 5,291,725 km (0.064 R)
• M38: 5,380,437 km (0.063 R)
• M39: 5,459,724 km (0.093 R)
• M40: 5,549,483 km (0.043 R)
• M41: 5,790,934 km (0.111 R)
• M42: 5,861,993 km (0.098 R)
• M43: 5,984,663 km (0.112 R)
• M44: 6,170,164 km (0.112 R)
• M45: 6,315,723 km (0.118 R)
• M46: 6,420,441 km (0.066 R)
• M47: 6,716,645 km (0.118 R)
• M48: 6,823,458 km (0.111 R)
• M49: 6,887,935 km (0.1 R)
• M50: 7,071,491 km (0.1 R)
• M51: 7,169,478 km (0.112 R)
• M52: 7,432,621 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.9

Radius: 13.1

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.57 AU - 2.45 AU

Year: 1869 Days

Day: 9.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 35,324,761 km

• M1: 294,857 km (0.078 R)
• M2: 491,728 km (0.103 R)
• M3: 710,440 km (0.116 R)
• M4: 840,890 km (0.066 R)
• M5: 955,182 km (0.101 R)
• M6: 1,340,995 km (0.079 R)
• M7: 1,577,510 km (0.074 R)
• M8: 2,013,587 km (0.111 R)
• M9: 2,125,786 km (0.08 R)
• M10: 2,344,797 km (0.085 R)
• M11: 2,571,438 km (0.118 R)
• M12: 2,656,709 km (0.101 R)
• M13: 2,792,843 km (0.038 R)
• M14: 3,281,280 km (0.078 R)
• M15: 3,414,272 km (0.098 R)
• M16: 3,617,426 km (0.09 R)
• M17: 3,866,357 km (0.066 R)
• M18: 3,964,792 km (0.116 R)
• M19: 4,078,188 km (0.098 R)
• M20: 4,164,057 km (0.085 R)
• M21: 4,265,035 km (0.083 R)
• M22: 4,766,936 km (0.117 R)
• M23: 4,857,592 km (0.102 R)
• M24: 4,994,475 km (0.091 R)
• M25: 5,287,836 km (0.116 R)
• M26: 5,476,180 km (0.114 R)
• M27: 6,054,226 km (0.099 R)
• M28: 6,251,396 km (0.102 R)
• M29: 6,551,040 km (0.111 R)
• M30: 6,804,459 km (0.06 R)
• M31: 7,147,337 km (0.113 R)
• M32: 7,338,374 km (0.077 R)
• M33: 7,584,014 km (0.102 R)
• M34: 8,011,265 km (0.098 R)
• M35: 8,191,680 km (0.066 R)
• M36: 8,355,340 km (0.09 R)
• M37: 8,685,652 km (0.067 R)
• M38: 8,778,253 km (0.062 R)
• M39: 9,039,003 km (0.069 R)
• M40: 9,378,291 km (0.037 R)
• M41: 9,798,511 km (0.116 R)
• M42: 10,030,388 km (0.092 R)
• M43: 10,127,626 km (0.067 R)
• M44: 10,420,988 km (0.077 R)
• M45: 10,677,398 km (0.089 R)
• M46: 10,796,478 km (0.113 R)
• M47: 11,540,877 km (0.08 R)
• M48: 11,724,434 km (0.084 R)
• M49: 11,826,759 km (0.113 R)
• M50: 12,011,961 km (0.099 R)
• M51: 12,156,473 km (0.043 R)
• M52: 12,364,114 km (0.096 R)
• M53: 12,593,897 km (0.093 R)
• M54: 12,846,119 km (0.073 R)
• M55: 13,036,407 km (0.027 R)
• M56: 13,185,108 km (0.096 R)
• M57: 13,527,088 km (0.084 R)
• M58: 13,850,220 km (0.119 R)
• M59: 14,132,511 km (0.06 R)
• M60: 14,504,411 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.3

Radius: 12.9

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.4 AU - 4.86 AU

Year: 5506 Days

Day: 5.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 35,324,761 km

• M1: 253,120 km (0.107 R)
• M2: 337,194 km (0.09 R)
• M3: 453,282 km (0.118 R)
• M4: 767,138 km (0.085 R)
• M5: 944,860 km (0.091 R)
• M6: 1,044,792 km (0.117 R)
• M7: 1,244,505 km (0.103 R)
• M8: 1,508,994 km (0.115 R)
• M9: 1,641,537 km (0.042 R)
• M10: 1,976,188 km (0.096 R)
• M11: 2,196,695 km (0.069 R)
• M12: 2,582,209 km (0.08 R)
• M13: 2,775,041 km (0.088 R)
• M14: 3,039,679 km (0.095 R)
• M15: 3,382,258 km (0.098 R)
• M16: 3,611,741 km (0.111 R)
• M17: 3,846,311 km (0.049 R)
• M18: 3,937,865 km (0.041 R)
• M19: 4,330,858 km (0.069 R)
• M20: 4,426,152 km (0.104 R)
• M21: 4,795,360 km (0.097 R)
• M22: 5,296,363 km (0.117 R)
• M23: 5,877,401 km (0.087 R)
• M24: 6,089,980 km (0.106 R)
• M25: 6,326,644 km (0.12 R)
• M26: 6,544,608 km (0.082 R)
• M27: 6,787,106 km (0.107 R)
• M28: 7,258,489 km (0.092 R)
• M29: 7,417,960 km (0.102 R)
• M30: 7,509,664 km (0.081 R)
• M31: 7,717,305 km (0.115 R)
• M32: 7,880,217 km (0.114 R)
• M33: 7,973,716 km (0.05 R)
• M34: 8,375,536 km (0.073 R)
• M35: 8,567,021 km (0.088 R)
• M36: 8,905,561 km (0.058 R)
• M37: 9,695,737 km (0.057 R)
• M38: 9,821,250 km (0.087 R)
• M39: 10,354,417 km (0.079 R)
• M40: 10,559,964 km (0.115 R)
• M41: 10,766,858 km (0.076 R)
• M42: 11,768,266 km (0.12 R)
• M43: 12,280,190 km (0.112 R)
• M44: 12,470,628 km (0.083 R)
• M45: 13,186,454 km (0.095 R)
• M46: 14,285,400 km (0.051 R)
• M47: 15,063,309 km (0.081 R)
• M48: 15,501,481 km (0.116 R)
• M49: 15,973,462 km (0.076 R)
• M50: 16,241,093 km (0.09 R)
• M51: 16,660,266 km (0.117 R)
• M52: 16,810,911 km (0.077 R)
• M53: 17,083,030 km (0.099 R)
• M54: 17,540,051 km (0.071 R)
• M55: 18,279,513 km (0.084 R)
• M56: 18,465,912 km (0.119 R)
• M57: 19,123,545 km (0.1 R)
• M58: 19,725,227 km (0.118 R)
• M59: 19,916,563 km (0.079 R)
• M60: 20,076,483 km (0.059 R)
• M61: 20,301,029 km (0.051 R)
• M62: 20,947,143 km (0.109 R)
• M63: 21,207,593 km (0.086 R)
• M64: 21,501,702 km (0.099 R)
• M65: 21,830,219 km (0.118 R)
• M66: 21,929,103 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.9

Radius: 11

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 3.54 AU - 4.76 AU

Year: 5546 Days

Day: 12.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 35,324,761 km

• M1: 139,874 km (0.111 R)
• M2: 220,208 km (0.091 R)
• M3: 325,375 km (0.109 R)
• M4: 455,825 km (0.109 R)
• M5: 546,631 km (0.119 R)
• M6: 632,051 km (0.102 R)
• M7: 790,625 km (0.098 R)
• M8: 918,830 km (0.092 R)
• M9: 1,008,439 km (0.067 R)
• M10: 1,197,082 km (0.094 R)
• M11: 1,312,721 km (0.096 R)
• M12: 1,573,620 km (0.111 R)
• M13: 1,928,017 km (0.098 R)
• M14: 2,064,899 km (0.092 R)
• M15: 2,245,913 km (0.11 R)
• M16: 2,390,424 km (0.078 R)
• M17: 2,495,592 km (0.086 R)
• M18: 2,710,564 km (0.118 R)
• M19: 3,067,355 km (0.12 R)
• M20: 3,298,035 km (0.112 R)
• M21: 3,486,678 km (0.112 R)
• M22: 3,727,680 km (0.04 R)
• M23: 3,874,884 km (0.099 R)
• M24: 4,302,584 km (0.081 R)
• M25: 4,613,598 km (0.08 R)
• M26: 4,985,798 km (0.097 R)
• M27: 5,340,195 km (0.089 R)
• M28: 5,506,548 km (0.12 R)
• M29: 5,674,696 km (0.113 R)
• M30: 5,759,368 km (0.109 R)
• M31: 6,102,396 km (0.093 R)
• M32: 6,540,569 km (0.112 R)
• M33: 7,049,500 km (0.105 R)
• M34: 7,140,755 km (0.063 R)
• M35: 7,978,802 km (0.107 R)
• M36: 8,137,376 km (0.111 R)
• M37: 8,393,338 km (0.074 R)
• M38: 8,749,830 km (0.109 R)
• M39: 8,946,252 km (0.105 R)
• M40: 9,111,109 km (0.088 R)
• M41: 9,277,013 km (0.117 R)
• M42: 9,611,813 km (0.047 R)
• M43: 10,955,202 km (0.117 R)
• M44: 11,237,942 km (0.062 R)
• M45: 11,523,225 km (0.093 R)
• M46: 11,810,901 km (0.107 R)
• M47: 11,991,915 km (0.055 R)
• M48: 12,614,092 km (0.104 R)
• M49: 13,472,784 km (0.087 R)
• M50: 13,661,876 km (0.062 R)
• M51: 14,273,133 km (0.113 R)
• M52: 14,776,380 km (0.077 R)
• M53: 15,049,845 km (0.075 R)
• M54: 15,128,234 km (0.07 R)
• M55: 15,246,117 km (0.026 R)
• M56: 15,919,906 km (0.055 R)
• M57: 17,255,516 km (0.049 R)
• M58: 18,333,069 km (0.111 R)
• M59: 18,500,769 km (0.109 R)
• M60: 18,584,843 km (0.079 R)
• M61: 18,879,999 km (0.108 R)
• M62: 19,817,679 km (0.094 R)
• M63: 20,335,587 km (0.073 R)
• M64: 20,465,737 km (0.093 R)
• M65: 21,033,161 km (0.104 R)
• M66: 21,915,938 km (0.08 R)
• M67: 22,991,398 km (0.069 R)
• M68: 25,520,050 km (0.071 R)
• M69: 26,130,559 km (0.094 R)
• M70: 26,745,855 km (0.058 R)
• M71: 26,841,000 km (0.057 R)
• M72: 26,983,716 km (0.113 R)
• M73: 27,126,881 km (0.115 R)
• M74: 27,318,067 km (0.101 R)
• M75: 27,413,810 km (0.091 R)
• M76: 27,749,956 km (0.117 R)
• M77: 29,597,939 km (0.098 R)
• M78: 30,090,864 km (0.117 R)
• M79: 30,189,748 km (0.088 R)
• M80: 30,885,228 km (0.055 R)
• M81: 31,084,942 km (0.076 R)
• M82: 32,291,897 km (0.053 R)
• M83: 33,003,085 km (0.098 R)
• M84: 33,105,111 km (0.112 R)
• M85: 33,822,134 km (0.083 R)
• M86: 33,976,519 km (0.09 R)
• M87: 34,544,243 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 341.4

Radius: 5.3

Gravity: 12.15 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 4.72 AU - 7.68 AU

Year: 10127 Days

Day: 21 Hours

Environment

Temp: -219 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 35,324,761 km

• M1: 166,054 km (0.086 R)
• M2: 431,141 km (0.044 R)
• M3: 820,544 km (0.11 R)
• M4: 915,389 km (0.094 R)
• M5: 997,369 km (0.101 R)
• M6: 1,168,509 km (0.116 R)
• M7: 1,557,912 km (0.1 R)
• M8: 1,900,791 km (0.102 R)
• M9: 2,156,603 km (0.104 R)
• M10: 2,747,664 km (0.109 R)
• M11: 3,012,153 km (0.115 R)
• M12: 3,085,606 km (0.043 R)
• M13: 3,184,639 km (0.114 R)
• M14: 3,436,712 km (0.059 R)
• M15: 3,513,605 km (0.047 R)
• M16: 3,827,013 km (0.12 R)
• M17: 4,122,020 km (0.054 R)
• M18: 5,138,238 km (0.067 R)
• M19: 5,403,774 km (0.088 R)
• M20: 5,643,729 km (0.094 R)
• M21: 5,825,939 km (0.114 R)
• M22: 6,227,311 km (0.101 R)
• M23: 6,573,929 km (0.093 R)
• M24: 6,926,830 km (0.063 R)
• M25: 7,121,906 km (0.11 R)
• M26: 7,220,192 km (0.088 R)
• M27: 7,718,053 km (0.096 R)
• M28: 7,751,563 km (0.116 R)
• M29: 7,920,310 km (0.067 R)
• M30: 7,954,119 km (0.115 R)
• M31: 8,261,243 km (0.102 R)
• M32: 8,399,023 km (0.066 R)
• M33: 8,572,257 km (0.083 R)
• M34: 9,170,050 km (0.056 R)
• M35: 10,036,820 km (0.079 R)
• M36: 10,183,725 km (0.066 R)
• M37: 11,118,563 km (0.115 R)
• M38: 12,197,612 km (0.118 R)
• M39: 12,670,192 km (0.057 R)
• M40: 13,430,747 km (0.089 R)
• M41: 13,959,576 km (0.072 R)
• M42: 14,828,291 km (0.086 R)
• M43: 14,911,916 km (0.061 R)
• M44: 16,228,227 km (0.057 R)
• M45: 17,184,756 km (0.094 R)
• M46: 17,492,928 km (0.104 R)
• M47: 17,936,336 km (0.091 R)
• M48: 18,428,363 km (0.055 R)
• M49: 18,518,421 km (0.107 R)
• M50: 18,563,450 km (0.08 R)
• M51: 19,197,596 km (0.085 R)
• M52: 19,380,105 km (0.072 R)
• M53: 19,746,769 km (0.101 R)
• M54: 20,069,602 km (0.114 R)
• M55: 20,767,027 km (0.11 R)
• M56: 20,813,851 km (0.104 R)
• M57: 21,048,271 km (0.094 R)
• M58: 21,899,483 km (0.118 R)
• M59: 22,329,277 km (0.104 R)
• M60: 22,858,405 km (0.1 R)
• M61: 23,003,365 km (0.107 R)
• M62: 23,100,305 km (0.087 R)
• M63: 24,916,273 km (0.095 R)
• M64: 26,219,720 km (0.08 R)
• M65: 26,523,553 km (0.096 R)
• M66: 26,981,622 km (0.115 R)
• M67: 27,596,469 km (0.07 R)
• M68: 28,579,327 km (0.039 R)
• M69: 28,839,926 km (0.072 R)
• M70: 29,153,633 km (0.114 R)
• M71: 29,363,369 km (0.066 R)
• M72: 29,521,045 km (0.055 R)
• M73: 29,784,338 km (0.106 R)
• M74: 30,207,400 km (0.06 R)
• M75: 30,739,071 km (0.075 R)
• M76: 31,059,510 km (0.098 R)
• M77: 31,166,472 km (0.07 R)
• M78: 31,220,028 km (0.06 R)
• M79: 31,703,678 km (0.114 R)
• M80: 31,973,403 km (0.119 R)
• M81: 32,081,413 km (0.103 R)
• M82: 32,406,489 km (0.067 R)
• M83: 34,545,589 km (0.107 R)
• M84: 34,712,092 km (0.061 R)
• M85: 35,436,444 km (0.113 R)
• M86: 36,053,087 km (0.105 R)
• M87: 36,278,232 km (0.089 R)
• M88: 36,899,811 km (0.087 R)
• M89: 37,240,445 km (0.102 R)
• M90: 37,524,980 km (0.113 R)
• M91: 37,581,977 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 154.7

Radius: 3.6

Gravity: 11.94 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 5.82 AU - 9.06 AU

Year: 13313 Days

Day: 23.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 35,324,761 km

• M1: 50,564 km (0.077 R)
• M2: 85,420 km (0.03 R)
• M3: 370,404 km (0.052 R)
• M4: 475,272 km (0.059 R)
• M5: 888,462 km (0.084 R)
• M6: 934,538 km (0.055 R)
• M7: 1,177,186 km (0.039 R)
• M8: 1,529,638 km (0.084 R)
• M9: 1,794,726 km (0.065 R)
• M10: 2,452,507 km (0.032 R)
• M11: 2,605,397 km (0.033 R)
• M12: 2,784,016 km (0.104 R)
• M13: 3,082,763 km (0.112 R)
• M14: 3,885,655 km (0.101 R)
• M15: 4,375,588 km (0.095 R)
• M16: 4,748,984 km (0.102 R)
• M17: 5,356,202 km (0.088 R)
• M18: 5,668,862 km (0.08 R)
• M19: 5,697,585 km (0.113 R)
• M20: 6,134,111 km (0.058 R)
• M21: 6,521,121 km (0.095 R)
• M22: 6,581,409 km (0.12 R)
• M23: 7,194,012 km (0.109 R)
• M24: 7,225,128 km (0.119 R)
• M25: 7,984,936 km (0.08 R)
• M26: 8,178,815 km (0.075 R)
• M27: 9,104,227 km (0.098 R)
• M28: 10,201,528 km (0.067 R)
• M29: 11,303,914 km (0.092 R)
• M30: 11,740,590 km (0.114 R)
• M31: 11,777,242 km (0.077 R)
• M32: 12,108,751 km (0.097 R)
• M33: 12,257,152 km (0.093 R)
• M34: 12,518,200 km (0.115 R)
• M35: 12,931,988 km (0.108 R)
• M36: 13,350,413 km (0.097 R)
• M37: 13,889,265 km (0.071 R)
• M38: 14,200,279 km (0.076 R)
• M39: 14,592,375 km (0.109 R)
• M40: 14,908,625 km (0.105 R)
• M41: 15,067,647 km (0.06 R)
• M42: 15,107,440 km (0.052 R)
• M43: 15,187,176 km (0.105 R)
• M44: 15,668,731 km (0.108 R)
• M45: 16,033,152 km (0.12 R)
• M46: 16,687,942 km (0.115 R)
• M47: 16,977,264 km (0.115 R)
• M48: 17,770,432 km (0.084 R)
• M49: 18,150,410 km (0.096 R)
• M50: 19,133,717 km (0.077 R)
• M51: 19,220,035 km (0.077 R)
• M52: 19,827,702 km (0.096 R)
• M53: 22,139,886 km (0.074 R)
• M54: 22,502,961 km (0.113 R)
• M55: 23,143,389 km (0.069 R)
• M56: 24,395,074 km (0.073 R)
• M57: 24,817,240 km (0.109 R)
• M58: 25,052,856 km (0.085 R)
• M59: 26,625,878 km (0.095 R)
• M60: 26,674,048 km (0.107 R)
• M61: 27,254,338 km (0.113 R)
• M62: 28,034,491 km (0.073 R)
• M63: 28,230,764 km (0.056 R)
• M64: 28,673,873 km (0.102 R)
• M65: 28,970,525 km (0.08 R)
• M66: 29,367,708 km (0.068 R)
• M67: 30,318,103 km (0.103 R)
• M68: 30,519,462 km (0.053 R)
• M69: 30,721,269 km (0.089 R)
• M70: 31,635,013 km (0.077 R)
• M71: 32,043,864 km (0.037 R)
• M72: 32,146,338 km (0.093 R)
• M73: 32,351,736 km (0.051 R)
• M74: 32,505,972 km (0.082 R)
• M75: 33,125,606 km (0.057 R)
• M76: 33,749,130 km (0.114 R)
• M77: 33,853,400 km (0.12 R)
• M78: 34,796,914 km (0.079 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: 409 - 18,045 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit