🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.7

Radius: 8.8

Gravity: 12.16 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.6 AU - 0.62 AU

Year: 323 Days

Day: 8.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 45,703,792 km

• M1: 111,301 km (0.071 R)
• M2: 181,462 km (0.059 R)
• M3: 259,702 km (0.104 R)
• M4: 316,100 km (0.099 R)
• M5: 378,034 km (0.093 R)
• M6: 442,211 km (0.103 R)
• M7: 551,717 km (0.107 R)
• M8: 637,586 km (0.057 R)
• M9: 705,204 km (0.116 R)
• M10: 771,626 km (0.05 R)
• M11: 844,480 km (0.104 R)
• M12: 923,916 km (0.112 R)
• M13: 1,015,022 km (0.089 R)
• M14: 1,086,529 km (0.067 R)
• M15: 1,215,782 km (0.053 R)
• M16: 1,374,954 km (0.117 R)
• M17: 1,449,603 km (0.092 R)
• M18: 1,566,888 km (0.092 R)
• M19: 1,682,078 km (0.048 R)
• M20: 1,740,721 km (0.058 R)
• M21: 1,800,111 km (0.091 R)
• M22: 2,073,127 km (0.104 R)
• M23: 2,199,986 km (0.073 R)
• M24: 2,270,297 km (0.079 R)
• M25: 2,383,244 km (0.087 R)
• M26: 2,485,868 km (0.109 R)
• M27: 2,701,887 km (0.077 R)
• M28: 2,860,012 km (0.064 R)
• M29: 3,008,264 km (0.083 R)
• M30: 3,232,062 km (0.037 R)
• M31: 3,427,287 km (0.037 R)
• M32: 3,502,385 km (0.116 R)
• M33: 3,564,169 km (0.092 R)
• M34: 3,829,257 km (0.119 R)
• M35: 3,985,736 km (0.041 R)
• M36: 4,108,107 km (0.106 R)
• M37: 4,231,675 km (0.115 R)
• M38: 4,290,317 km (0.086 R)
• M39: 4,371,399 km (0.066 R)
• M40: 4,497,660 km (0.115 R)
• M41: 4,579,939 km (0.062 R)
• M42: 4,670,446 km (0.089 R)
• M43: 4,814,807 km (0.076 R)
• M44: 4,906,810 km (0.088 R)
• M45: 5,007,041 km (0.046 R)
• M46: 5,092,461 km (0.072 R)
• M47: 5,201,817 km (0.118 R)
• M48: 5,264,648 km (0.112 R)
• M49: 5,383,279 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.6

Radius: 10.7

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.63 AU - 0.73 AU

Year: 380 Days

Day: 12.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 45,703,792 km

• M1: 173,085 km (0.117 R)
• M2: 266,434 km (0.099 R)
• M3: 365,318 km (0.033 R)
• M4: 452,833 km (0.032 R)
• M5: 614,548 km (0.097 R)
• M6: 734,077 km (0.056 R)
• M7: 876,793 km (0.056 R)
• M8: 990,338 km (0.115 R)
• M9: 1,089,072 km (0.095 R)
• M10: 1,174,642 km (0.088 R)
• M11: 1,241,513 km (0.076 R)
• M12: 1,352,963 km (0.028 R)
• M13: 1,490,444 km (0.053 R)
• M14: 1,741,469 km (0.067 R)
• M15: 1,818,512 km (0.102 R)
• M16: 1,961,078 km (0.056 R)
• M17: 2,046,499 km (0.108 R)
• M18: 2,128,030 km (0.12 R)
• M19: 2,221,229 km (0.119 R)
• M20: 2,299,768 km (0.114 R)
• M21: 2,384,740 km (0.032 R)
• M22: 2,508,906 km (0.117 R)
• M23: 2,579,965 km (0.073 R)
• M24: 2,657,307 km (0.115 R)
• M25: 2,893,971 km (0.065 R)
• M26: 2,980,139 km (0.112 R)
• M27: 3,220,393 km (0.116 R)
• M28: 3,382,109 km (0.094 R)
• M29: 3,491,465 km (0.084 R)
• M30: 3,558,784 km (0.098 R)
• M31: 3,632,835 km (0.102 R)
• M32: 3,757,300 km (0.069 R)
• M33: 4,100,777 km (0.101 R)
• M34: 4,230,628 km (0.098 R)
• M35: 4,302,584 km (0.062 R)
• M36: 4,494,369 km (0.055 R)
• M37: 4,587,867 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.2

Radius: 11.7

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.64 AU - 0.88 AU

Year: 449 Days

Day: 11 Hours

Environment

Temp: -172 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 45,703,792 km

• M1: 145,708 km (0.06 R)
• M2: 222,302 km (0.114 R)
• M3: 360,232 km (0.068 R)
• M4: 452,085 km (0.083 R)
• M5: 526,136 km (0.043 R)
• M6: 682,615 km (0.096 R)
• M7: 781,798 km (0.072 R)
• M8: 972,386 km (0.102 R)
• M9: 1,077,853 km (0.053 R)
• M10: 1,274,574 km (0.12 R)
• M11: 1,354,908 km (0.112 R)
• M12: 1,455,438 km (0.064 R)
• M13: 1,539,811 km (0.057 R)
• M14: 1,620,893 km (0.049 R)
• M15: 1,738,178 km (0.089 R)
• M16: 1,904,231 km (0.078 R)
• M17: 1,981,424 km (0.03 R)
• M18: 2,155,107 km (0.075 R)
• M19: 2,235,890 km (0.086 R)
• M20: 2,345,096 km (0.096 R)
• M21: 2,501,127 km (0.059 R)
• M22: 2,597,617 km (0.056 R)
• M23: 2,770,852 km (0.119 R)
• M24: 2,847,296 km (0.087 R)
• M25: 2,954,109 km (0.065 R)
• M26: 3,068,402 km (0.111 R)
• M27: 3,147,539 km (0.119 R)
• M28: 3,227,275 km (0.112 R)
• M29: 3,439,255 km (0.071 R)
• M30: 3,617,127 km (0.104 R)
• M31: 3,798,290 km (0.051 R)
• M32: 3,942,801 km (0.047 R)
• M33: 4,176,324 km (0.075 R)
• M34: 4,305,128 km (0.119 R)
• M35: 4,400,870 km (0.055 R)
• M36: 4,476,567 km (0.078 R)
• M37: 4,559,594 km (0.06 R)
• M38: 4,713,380 km (0.055 R)
• M39: 4,875,993 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.3

Radius: 13

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2 AU - 2.76 AU

Year: 2490 Days

Day: 6.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 45,703,792 km

• M1: 163,211 km (0.114 R)
• M2: 265,686 km (0.116 R)
• M3: 399,426 km (0.119 R)
• M4: 509,231 km (0.054 R)
• M5: 594,652 km (0.083 R)
• M6: 834,008 km (0.063 R)
• M7: 939,175 km (0.101 R)
• M8: 1,068,129 km (0.114 R)
• M9: 1,365,679 km (0.081 R)
• M10: 1,470,846 km (0.057 R)
• M11: 1,645,277 km (0.037 R)
• M12: 1,803,851 km (0.038 R)
• M13: 1,896,751 km (0.1 R)
• M14: 2,027,350 km (0.118 R)
• M15: 2,450,264 km (0.03 R)
• M16: 2,725,524 km (0.028 R)
• M17: 2,833,084 km (0.115 R)
• M18: 3,038,632 km (0.119 R)
• M19: 3,235,054 km (0.072 R)
• M20: 3,320,624 km (0.069 R)
• M21: 3,567,012 km (0.11 R)
• M22: 3,670,234 km (0.049 R)
• M23: 3,789,613 km (0.104 R)
• M24: 4,108,855 km (0.114 R)
• M25: 4,405,508 km (0.117 R)
• M26: 4,839,042 km (0.074 R)
• M27: 4,953,634 km (0.03 R)
• M28: 5,085,879 km (0.069 R)
• M29: 5,353,809 km (0.109 R)
• M30: 5,557,860 km (0.119 R)
• M31: 5,643,580 km (0.082 R)
• M32: 5,747,251 km (0.037 R)
• M33: 6,008,898 km (0.063 R)
• M34: 6,132,316 km (0.065 R)
• M35: 6,544,009 km (0.052 R)
• M36: 6,744,022 km (0.032 R)
• M37: 6,964,678 km (0.087 R)
• M38: 7,057,429 km (0.111 R)
• M39: 7,187,729 km (0.119 R)
• M40: 7,469,870 km (0.11 R)
• M41: 8,397,228 km (0.069 R)
• M42: 8,894,790 km (0.108 R)
• M43: 9,238,566 km (0.071 R)
• M44: 9,422,272 km (0.058 R)
• M45: 9,504,402 km (0.068 R)
• M46: 9,607,325 km (0.094 R)
• M47: 9,689,903 km (0.119 R)
• M48: 10,148,570 km (0.102 R)
• M49: 10,295,924 km (0.09 R)
• M50: 10,380,596 km (0.076 R)
• M51: 10,721,081 km (0.088 R)
• M52: 11,000,679 km (0.079 R)
• M53: 11,500,935 km (0.108 R)
• M54: 11,831,396 km (0.051 R)
• M55: 12,727,637 km (0.112 R)
• M56: 12,977,914 km (0.1 R)
• M57: 13,275,913 km (0.087 R)
• M58: 13,529,781 km (0.112 R)
• M59: 13,762,107 km (0.075 R)
• M60: 13,972,142 km (0.031 R)
• M61: 14,159,887 km (0.028 R)
• M62: 14,656,552 km (0.09 R)
• M63: 14,942,883 km (0.079 R)
• M64: 15,086,796 km (0.111 R)
• M65: 15,231,158 km (0.076 R)
• M66: 15,740,090 km (0.119 R)
• M67: 15,959,849 km (0.087 R)
• M68: 16,131,587 km (0.06 R)
• M69: 16,452,026 km (0.04 R)
• M70: 16,625,410 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.6

Radius: 9.7

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.9 AU - 2.86 AU

Year: 2490 Days

Day: 12.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 45,703,792 km

• M1: 134,937 km (0.12 R)
• M2: 239,207 km (0.097 R)
• M3: 341,083 km (0.118 R)
• M4: 519,105 km (0.088 R)
• M5: 692,189 km (0.054 R)
• M6: 852,708 km (0.109 R)
• M7: 992,133 km (0.102 R)
• M8: 1,193,193 km (0.103 R)
• M9: 1,426,864 km (0.106 R)
• M10: 1,594,265 km (0.093 R)
• M11: 1,695,991 km (0.082 R)
• M12: 1,757,925 km (0.108 R)
• M13: 1,927,269 km (0.087 R)
• M14: 1,992,195 km (0.113 R)
• M15: 2,135,360 km (0.04 R)
• M16: 2,236,638 km (0.105 R)
• M17: 2,549,896 km (0.082 R)
• M18: 2,705,777 km (0.07 R)
• M19: 2,964,431 km (0.071 R)
• M20: 3,218,299 km (0.096 R)
• M21: 3,625,654 km (0.098 R)
• M22: 3,924,850 km (0.113 R)
• M23: 4,133,539 km (0.111 R)
• M24: 4,203,850 km (0.068 R)
• M25: 4,460,560 km (0.073 R)
• M26: 4,532,666 km (0.058 R)
• M27: 4,737,017 km (0.081 R)
• M28: 4,810,768 km (0.108 R)
• M29: 4,899,629 km (0.104 R)
• M30: 5,064,187 km (0.072 R)
• M31: 5,230,540 km (0.116 R)
• M32: 5,599,897 km (0.038 R)
• M33: 5,993,639 km (0.067 R)
• M34: 6,266,505 km (0.097 R)
• M35: 6,461,581 km (0.027 R)
• M36: 6,924,586 km (0.115 R)
• M37: 7,160,203 km (0.099 R)
• M38: 7,795,545 km (0.115 R)
• M39: 7,882,761 km (0.075 R)
• M40: 8,235,064 km (0.06 R)
• M41: 8,323,925 km (0.083 R)
• M42: 8,413,085 km (0.092 R)
• M43: 8,682,660 km (0.06 R)
• M44: 8,973,179 km (0.108 R)
• M45: 9,138,186 km (0.088 R)
• M46: 9,267,139 km (0.109 R)
• M47: 9,883,183 km (0.063 R)
• M48: 9,977,580 km (0.112 R)
• M49: 10,129,421 km (0.039 R)
• M50: 10,243,864 km (0.072 R)
• M51: 10,493,243 km (0.068 R)
• M52: 10,705,672 km (0.04 R)
• M53: 10,978,240 km (0.105 R)
• M54: 11,076,226 km (0.112 R)
• M55: 11,174,363 km (0.029 R)
• M56: 11,589,945 km (0.043 R)
• M57: 11,789,659 km (0.104 R)
• M58: 11,930,131 km (0.113 R)
• M59: 12,111,593 km (0.033 R)
• M60: 12,253,262 km (0.112 R)
• M61: 12,558,891 km (0.086 R)
• M62: 12,661,365 km (0.103 R)
• M63: 12,784,634 km (0.089 R)
• M64: 12,991,079 km (0.097 R)
• M65: 13,136,189 km (0.053 R)
• M66: 13,281,748 km (0.092 R)
• M67: 13,764,201 km (0.119 R)
• M68: 14,103,040 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 364

Radius: 7.2

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.75 AU - 6.87 AU

Year: 9499 Days

Day: 20.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 45,703,792 km

• M1: 90,656 km (0.079 R)
• M2: 533,316 km (0.088 R)
• M3: 598,840 km (0.048 R)
• M4: 681,418 km (0.077 R)
• M5: 782,696 km (0.106 R)
• M6: 952,340 km (0.046 R)
• M7: 1,308,682 km (0.074 R)
• M8: 1,763,460 km (0.118 R)
• M9: 1,884,335 km (0.108 R)
• M10: 1,966,614 km (0.072 R)
• M11: 2,198,939 km (0.093 R)
• M12: 2,689,770 km (0.064 R)
• M13: 2,876,468 km (0.082 R)
• M14: 2,947,676 km (0.116 R)
• M15: 2,995,398 km (0.078 R)
• M16: 3,164,593 km (0.083 R)
• M17: 3,361,913 km (0.108 R)
• M18: 3,462,144 km (0.079 R)
• M19: 4,164,057 km (0.116 R)
• M20: 4,380,375 km (0.034 R)
• M21: 4,767,684 km (0.037 R)
• M22: 5,282,002 km (0.102 R)
• M23: 5,398,688 km (0.095 R)
• M24: 5,457,330 km (0.084 R)
• M25: 6,239,278 km (0.096 R)
• M26: 6,300,763 km (0.106 R)
• M27: 6,580,511 km (0.098 R)
• M28: 6,927,877 km (0.086 R)
• M29: 7,248,914 km (0.094 R)
• M30: 7,673,473 km (0.075 R)
• M31: 8,005,730 km (0.066 R)
• M32: 8,072,600 km (0.081 R)
• M33: 8,546,826 km (0.097 R)
• M34: 8,925,757 km (0.111 R)
• M35: 9,099,739 km (0.068 R)
• M36: 10,495,487 km (0.113 R)
• M37: 10,642,393 km (0.034 R)
• M38: 10,753,095 km (0.117 R)
• M39: 11,236,894 km (0.094 R)
• M40: 11,880,315 km (0.062 R)
• M41: 11,956,759 km (0.084 R)
• M42: 12,535,554 km (0.091 R)
• M43: 12,848,064 km (0.051 R)
• M44: 13,680,426 km (0.089 R)
• M45: 14,326,240 km (0.097 R)
• M46: 14,611,822 km (0.072 R)
• M47: 15,023,217 km (0.112 R)
• M48: 15,521,976 km (0.081 R)
• M49: 15,983,934 km (0.058 R)
• M50: 17,223,203 km (0.053 R)
• M51: 17,570,420 km (0.099 R)
• M52: 18,316,165 km (0.1 R)
• M53: 20,890,744 km (0.115 R)
• M54: 21,773,970 km (0.053 R)
• M55: 22,008,390 km (0.072 R)
• M56: 22,055,364 km (0.053 R)
• M57: 22,102,337 km (0.092 R)
• M58: 22,432,350 km (0.047 R)
• M59: 23,002,019 km (0.088 R)
• M60: 23,049,741 km (0.103 R)
• M61: 23,240,777 km (0.06 R)
• M62: 23,624,496 km (0.038 R)
• M63: 23,817,178 km (0.116 R)
• M64: 24,495,455 km (0.111 R)
• M65: 24,592,992 km (0.085 R)
• M66: 25,475,620 km (0.085 R)
• M67: 26,069,823 km (0.035 R)
• M68: 26,119,489 km (0.073 R)
• M69: 26,468,501 km (0.077 R)
• M70: 26,518,467 km (0.117 R)
• M71: 26,768,744 km (0.036 R)
• M72: 27,120,598 km (0.036 R)
• M73: 29,005,531 km (0.096 R)
• M74: 29,729,734 km (0.118 R)
• M75: 30,459,772 km (0.051 R)
• M76: 30,512,131 km (0.078 R)
• M77: 32,364,153 km (0.081 R)
• M78: 32,685,340 km (0.09 R)
• M79: 32,900,013 km (0.064 R)
• M80: 33,061,279 km (0.093 R)
• M81: 33,492,869 km (0.098 R)
• M82: 33,601,028 km (0.085 R)
• M83: 33,871,950 km (0.097 R)
• M84: 34,089,166 km (0.113 R)
• M85: 34,415,888 km (0.1 R)
• M86: 35,678,045 km (0.05 R)
• M87: 36,731,962 km (0.087 R)

Asteroid Belt

Center: 6.99 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 236.7

Radius: 4.3

Gravity: 12.8 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 6.87 AU - 9.47 AU

Year: 15839 Days

Day: 19.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 45,703,792 km

• M1: 129,103 km (0.111 R)
• M2: 290,669 km (0.062 R)
• M3: 579,243 km (0.08 R)
• M4: 642,373 km (0.065 R)
• M5: 707,748 km (0.109 R)
• M6: 991,086 km (0.111 R)
• M7: 1,067,082 km (0.095 R)
• M8: 1,204,712 km (0.095 R)
• M9: 1,718,880 km (0.041 R)
• M10: 2,947,676 km (0.081 R)
• M11: 3,196,906 km (0.074 R)
• M12: 4,572,758 km (0.107 R)
• M13: 5,088,871 km (0.063 R)
• M14: 5,387,319 km (0.101 R)
• M15: 5,487,998 km (0.097 R)
• M16: 6,600,856 km (0.076 R)
• M17: 6,744,770 km (0.061 R)
• M18: 6,817,175 km (0.096 R)
• M19: 7,442,344 km (0.106 R)
• M20: 9,668,510 km (0.111 R)
• M21: 10,037,419 km (0.108 R)
• M22: 10,078,708 km (0.101 R)
• M23: 10,244,462 km (0.071 R)
• M24: 10,286,050 km (0.09 R)
• M25: 10,536,627 km (0.091 R)
• M26: 11,043,764 km (0.11 R)
• M27: 11,472,511 km (0.099 R)
• M28: 12,701,607 km (0.109 R)
• M29: 13,286,385 km (0.092 R)
• M30: 13,833,913 km (0.054 R)
• M31: 14,342,247 km (0.092 R)
• M32: 14,575,321 km (0.112 R)
• M33: 15,903,600 km (0.105 R)
• M34: 16,241,691 km (0.088 R)
• M35: 18,470,999 km (0.117 R)
• M36: 19,132,670 km (0.079 R)
• M37: 20,374,482 km (0.067 R)
• M38: 20,479,201 km (0.102 R)
• M39: 20,689,086 km (0.084 R)
• M40: 21,110,952 km (0.113 R)
• M41: 21,429,147 km (0.03 R)
• M42: 21,482,404 km (0.108 R)
• M43: 21,588,918 km (0.075 R)
• M44: 23,098,510 km (0.095 R)
• M45: 24,252,956 km (0.075 R)
• M46: 24,363,808 km (0.047 R)
• M47: 24,419,459 km (0.098 R)
• M48: 27,076,167 km (0.073 R)
• M49: 27,364,143 km (0.08 R)
• M50: 27,537,378 km (0.03 R)
• M51: 27,826,999 km (0.036 R)
• M52: 27,943,087 km (0.03 R)
• M53: 29,054,300 km (0.095 R)
• M54: 29,408,249 km (0.12 R)
• M55: 29,704,153 km (0.106 R)
• M56: 30,060,795 km (0.104 R)
• M57: 31,018,371 km (0.101 R)
• M58: 31,621,998 km (0.037 R)
• M59: 31,985,970 km (0.065 R)
• M60: 32,963,442 km (0.091 R)
• M61: 34,572,666 km (0.053 R)
• M62: 34,822,495 km (0.04 R)
• M63: 35,954,203 km (0.088 R)
• M64: 36,080,613 km (0.082 R)
• M65: 37,097,878 km (0.08 R)
• M66: 37,225,635 km (0.097 R)
• M67: 38,900,533 km (0.084 R)
• M68: 39,095,309 km (0.103 R)
• M69: 39,812,481 km (0.059 R)
• M70: 39,878,005 km (0.12 R)
• M71: 40,139,951 km (0.072 R)
• M72: 41,657,472 km (0.058 R)
• M73: 42,389,903 km (0.07 R)
• M74: 44,341,108 km (0.076 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 10,447 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit