🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.37 AU - 1.67 AU

Year: 702 Days

Day: 21.8 Hours

Environment

Temp: -44 °C

Axial Tilt: 28.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 27,905,153 km

• M1: 535,560 km (0.098 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.43 AU - 2.29 AU

Year: 951 Days

Day: 30.2 Hours

Environment

Temp: -58 °C

Axial Tilt: 49.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.6

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.82 AU - 3.26 AU

Year: 1986 Days

Day: 17.6 Hours

Environment

Temp: -112 °C

Axial Tilt: 37.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.56 AU - 3.92 AU

Year: 2185 Days

Day: 34.8 Hours

Environment

Temp: -111 °C

Axial Tilt: 37.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 27,905,153 km

• M1: 685,906 km (0.069 R)
• M2: 1,270,684 km (0.075 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.29 AU - 3.97 AU

Year: 2592 Days

Day: 40.5 Hours

Environment

Temp: -129 °C

Axial Tilt: 15.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.9

Radius: 10.9

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 5.36 AU - 8.78 AU

Year: 7045 Days

Day: 9.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 27,905,153 km

• M1: 179,667 km (0.109 R)
• M2: 314,006 km (0.119 R)
• M3: 410,197 km (0.096 R)
• M4: 551,268 km (0.026 R)
• M5: 710,590 km (0.06 R)
• M6: 886,068 km (0.114 R)
• M7: 965,953 km (0.086 R)
• M8: 1,251,087 km (0.087 R)
• M9: 1,530,536 km (0.104 R)
• M10: 1,728,005 km (0.105 R)
• M11: 2,258,479 km (0.076 R)
• M12: 2,446,224 km (0.116 R)
• M13: 2,522,818 km (0.058 R)
• M14: 2,757,538 km (0.117 R)
• M15: 2,999,587 km (0.105 R)
• M16: 3,396,919 km (0.101 R)
• M17: 3,482,638 km (0.068 R)
• M18: 3,766,725 km (0.116 R)
• M19: 4,264,587 km (0.04 R)
• M20: 4,404,012 km (0.116 R)
• M21: 5,346,927 km (0.101 R)
• M22: 5,700,576 km (0.08 R)
• M23: 5,905,974 km (0.104 R)
• M24: 6,035,676 km (0.087 R)
• M25: 6,218,783 km (0.058 R)
• M26: 6,350,729 km (0.085 R)
• M27: 6,915,162 km (0.093 R)
• M28: 7,024,518 km (0.11 R)
• M29: 7,383,852 km (0.084 R)
• M30: 7,692,622 km (0.119 R)
• M31: 8,091,898 km (0.115 R)
• M32: 8,294,005 km (0.033 R)
• M33: 8,821,487 km (0.025 R)
• M34: 8,910,498 km (0.098 R)
• M35: 9,420,477 km (0.087 R)
• M36: 9,909,064 km (0.105 R)
• M37: 10,499,975 km (0.083 R)
• M38: 10,657,502 km (0.119 R)
• M39: 10,815,627 km (0.083 R)
• M40: 11,134,420 km (0.058 R)
• M41: 12,373,988 km (0.11 R)
• M42: 12,942,759 km (0.094 R)
• M43: 13,281,149 km (0.1 R)
• M44: 13,622,681 km (0.113 R)
• M45: 13,863,384 km (0.117 R)
• M46: 13,932,349 km (0.086 R)
• M47: 14,279,266 km (0.07 R)
• M48: 14,699,487 km (0.096 R)
• M49: 14,840,408 km (0.1 R)
• M50: 15,767,466 km (0.098 R)
• M51: 16,237,951 km (0.095 R)
• M52: 16,383,660 km (0.089 R)
• M53: 16,603,120 km (0.116 R)
• M54: 16,676,423 km (0.095 R)
• M55: 17,341,535 km (0.074 R)
• M56: 17,939,926 km (0.089 R)
• M57: 18,203,966 km (0.033 R)
• M58: 18,317,362 km (0.032 R)
• M59: 19,581,613 km (0.06 R)
• M60: 20,048,359 km (0.066 R)
• M61: 20,597,383 km (0.072 R)
• M62: 20,676,371 km (0.113 R)
• M63: 21,830,967 km (0.09 R)
• M64: 22,112,809 km (0.094 R)
• M65: 22,274,375 km (0.049 R)
• M66: 22,558,162 km (0.109 R)
• M67: 22,761,466 km (0.049 R)
• M68: 23,006,357 km (0.084 R)
• M69: 23,622,551 km (0.039 R)
• M70: 23,953,312 km (0.095 R)
• M71: 24,703,246 km (0.115 R)
• M72: 25,842,583 km (0.115 R)
• M73: 25,927,555 km (0.086 R)
• M74: 26,826,489 km (0.067 R)
• M75: 27,474,846 km (0.103 R)
• M76: 27,779,128 km (0.055 R)
• M77: 29,140,319 km (0.04 R)
• M78: 29,228,881 km (0.105 R)
• M79: 29,406,304 km (0.099 R)
• M80: 29,584,026 km (0.107 R)
• M81: 29,762,197 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 806.4

Radius: 4.7

Gravity: 36.51 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 13.34 AU - 13.7 AU

Year: 18629 Days

Day: 19.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 27,905,153 km

• M1: 243,396 km (0.113 R)
• M2: 308,321 km (0.107 R)
• M3: 741,257 km (0.059 R)
• M4: 1,212,042 km (0.081 R)
• M5: 1,416,243 km (0.036 R)
• M6: 1,446,312 km (0.115 R)
• M7: 2,230,055 km (0.112 R)
• M8: 2,552,738 km (0.105 R)
• M9: 6,151,165 km (0.094 R)
• M10: 6,601,156 km (0.067 R)
• M11: 7,113,379 km (0.11 R)
• M12: 7,426,936 km (0.046 R)
• M13: 7,532,552 km (0.107 R)
• M14: 10,444,624 km (0.045 R)
• M15: 10,741,127 km (0.103 R)
• M16: 11,524,721 km (0.111 R)
• M17: 11,954,366 km (0.095 R)
• M18: 12,389,247 km (0.064 R)
• M19: 12,702,954 km (0.106 R)
• M20: 13,530,828 km (0.059 R)
• M21: 13,983,811 km (0.101 R)
• M22: 14,573,675 km (0.105 R)
• M23: 14,971,306 km (0.086 R)
• M24: 15,104,598 km (0.1 R)
• M25: 15,439,697 km (0.063 R)
• M26: 15,709,572 km (0.056 R)
• M27: 15,980,942 km (0.115 R)
• M28: 16,049,009 km (0.119 R)
• M29: 16,253,958 km (0.066 R)
• M30: 16,528,470 km (0.039 R)
• M31: 16,597,285 km (0.089 R)
• M32: 16,804,478 km (0.096 R)
• M33: 17,431,144 km (0.116 R)
• M34: 18,065,289 km (0.104 R)
• M35: 20,528,717 km (0.066 R)
• M36: 20,602,768 km (0.084 R)
• M37: 20,676,819 km (0.116 R)
• M38: 21,048,869 km (0.112 R)
• M39: 21,272,967 km (0.058 R)
• M40: 22,406,021 km (0.103 R)
• M41: 22,482,166 km (0.046 R)
• M42: 22,711,500 km (0.072 R)
• M43: 22,787,944 km (0.058 R)
• M44: 23,481,031 km (0.076 R)
• M45: 24,181,000 km (0.043 R)
• M46: 24,337,479 km (0.119 R)
• M47: 25,203,950 km (0.112 R)
• M48: 25,920,524 km (0.117 R)
• M49: 26,482,413 km (0.081 R)
• M50: 26,886,328 km (0.079 R)
• M51: 27,863,800 km (0.079 R)
• M52: 29,185,049 km (0.038 R)
• M53: 29,685,753 km (0.09 R)
• M54: 29,937,227 km (0.071 R)
• M55: 30,273,523 km (0.106 R)
• M56: 30,442,269 km (0.053 R)
• M57: 33,182,603 km (0.092 R)
• M58: 33,530,717 km (0.042 R)
• M59: 35,555,375 km (0.099 R)
• M60: 35,822,407 km (0.116 R)
• M61: 35,911,567 km (0.111 R)
• M62: 36,987,176 km (0.089 R)
• M63: 37,348,006 km (0.094 R)
• M64: 37,982,301 km (0.074 R)
• M65: 38,437,527 km (0.081 R)
• M66: 41,393,731 km (0.104 R)
• M67: 43,183,370 km (0.087 R)
• M68: 43,278,215 km (0.114 R)
• M69: 43,373,210 km (0.069 R)
• M70: 45,286,716 km (0.038 R)
• M71: 45,479,548 km (0.026 R)
• M72: 46,837,298 km (0.104 R)
• M73: 49,990,372 km (0.1 R)
• M74: 50,889,306 km (0.085 R)
• M75: 55,360,936 km (0.085 R)
• M76: 55,567,231 km (0.109 R)
• M77: 55,670,454 km (0.1 R)
• M78: 58,796,152 km (0.083 R)
• M79: 59,322,587 km (0.074 R)
• M80: 61,978,398 km (0.063 R)
• M81: 62,943,902 km (0.079 R)
• M82: 63,698,325 km (0.05 R)
• M83: 64,455,739 km (0.049 R)
• M84: 64,998,629 km (0.101 R)
• M85: 65,979,393 km (0.12 R)
• M86: 67,404,911 km (0.093 R)
• M87: 69,395,460 km (0.111 R)
• M88: 70,956,813 km (0.099 R)
• M89: 72,755,428 km (0.113 R)
• M90: 75,252,965 km (0.117 R)
• M91: 75,481,401 km (0.079 R)
• M92: 76,512,280 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 306.5

Radius: 4.5

Gravity: 15.14 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 15.02 AU - 16.64 AU

Year: 23602 Days

Day: 23.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 27,905,153 km

• M1: 86,168 km (0.119 R)
• M2: 187,446 km (0.047 R)
• M3: 226,042 km (0.091 R)
• M4: 297,401 km (0.103 R)
• M5: 445,203 km (0.114 R)
• M6: 781,948 km (0.053 R)
• M7: 1,389,615 km (0.046 R)
• M8: 1,780,065 km (0.118 R)
• M9: 1,809,237 km (0.112 R)
• M10: 2,392,668 km (0.113 R)
• M11: 2,424,981 km (0.066 R)
• M12: 2,457,295 km (0.069 R)
• M13: 2,721,484 km (0.113 R)
• M14: 2,789,103 km (0.057 R)
• M15: 2,925,686 km (0.114 R)
• M16: 3,029,656 km (0.081 R)
• M17: 3,604,261 km (0.096 R)
• M18: 3,753,111 km (0.112 R)
• M19: 4,250,823 km (0.062 R)
• M20: 4,289,869 km (0.036 R)
• M21: 4,408,051 km (0.073 R)
• M22: 4,447,694 km (0.075 R)
• M23: 5,139,285 km (0.082 R)
• M24: 6,127,080 km (0.112 R)
• M25: 6,619,855 km (0.111 R)
• M26: 6,756,438 km (0.109 R)
• M27: 6,847,992 km (0.097 R)
• M28: 8,614,893 km (0.099 R)
• M29: 8,964,204 km (0.103 R)
• M30: 10,939,793 km (0.065 R)
• M31: 11,317,827 km (0.115 R)
• M32: 11,535,941 km (0.056 R)
• M33: 11,645,446 km (0.107 R)
• M34: 13,157,133 km (0.104 R)
• M35: 13,214,279 km (0.092 R)
• M36: 13,271,575 km (0.103 R)
• M37: 14,610,925 km (0.047 R)
• M38: 15,749,514 km (0.113 R)
• M39: 15,810,251 km (0.112 R)
• M40: 18,493,289 km (0.051 R)
• M41: 18,878,802 km (0.088 R)
• M42: 21,380,677 km (0.062 R)
• M43: 21,920,576 km (0.103 R)
• M44: 22,124,179 km (0.076 R)
• M45: 22,260,163 km (0.08 R)
• M46: 23,082,503 km (0.038 R)
• M47: 26,181,572 km (0.088 R)
• M48: 26,614,209 km (0.092 R)
• M49: 26,686,615 km (0.036 R)
• M50: 26,759,020 km (0.096 R)
• M51: 27,559,668 km (0.091 R)
• M52: 30,083,833 km (0.099 R)
• M53: 30,992,191 km (0.089 R)
• M54: 31,068,336 km (0.052 R)
• M55: 31,220,627 km (0.118 R)
• M56: 32,063,312 km (0.095 R)
• M57: 32,680,852 km (0.112 R)
• M58: 32,758,194 km (0.081 R)
• M59: 32,835,835 km (0.108 R)
• M60: 32,990,968 km (0.109 R)
• M61: 34,635,647 km (0.118 R)
• M62: 34,714,635 km (0.11 R)
• M63: 34,872,760 km (0.119 R)
• M64: 35,507,653 km (0.075 R)
• M65: 35,986,366 km (0.099 R)
• M66: 37,516,304 km (0.03 R)
• M67: 38,166,905 km (0.027 R)
• M68: 38,411,796 km (0.118 R)
• M69: 39,314,320 km (0.096 R)
• M70: 41,307,413 km (0.038 R)
• M71: 41,642,811 km (0.092 R)
• M72: 43,844,593 km (0.086 R)
• M73: 44,787,508 km (0.098 R)
• M74: 46,431,888 km (0.118 R)
• M75: 47,305,240 km (0.06 R)
• M76: 47,392,905 km (0.109 R)
• M77: 48,095,865 km (0.069 R)
• M78: 48,272,241 km (0.093 R)
• M79: 48,802,416 km (0.106 R)
• M80: 49,334,535 km (0.071 R)
• M81: 50,583,528 km (0.062 R)
• M82: 50,942,264 km (0.111 R)
• M83: 51,752,635 km (0.077 R)
• M84: 54,300,736 km (0.105 R)
• M85: 55,867,624 km (0.061 R)
• M86: 56,703,128 km (0.06 R)
• M87: 57,262,475 km (0.077 R)
• M88: 58,104,860 km (0.103 R)
• M89: 58,292,755 km (0.119 R)
• M90: 62,185,890 km (0.113 R)
• M91: 62,666,398 km (0.112 R)
• M92: 63,051,763 km (0.085 R)
• M93: 64,018,464 km (0.103 R)
• M94: 64,892,564 km (0.089 R)
• M95: 64,989,953 km (0.088 R)

Asteroid Belt

Center: 16.46 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 17.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 213

Radius: 7.7

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 17.09 AU - 17.09 AU

Year: 26475 Days

Day: 21.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 80.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 27,905,153 km

• M1: 132,095 km (0.11 R)
• M2: 233,373 km (0.074 R)
• M3: 555,457 km (0.115 R)
• M4: 649,105 km (0.103 R)
• M5: 768,783 km (0.11 R)
• M6: 1,124,078 km (0.058 R)
• M7: 1,421,629 km (0.054 R)
• M8: 1,499,868 km (0.084 R)
• M9: 1,688,062 km (0.111 R)
• M10: 1,827,338 km (0.09 R)
• M11: 2,421,541 km (0.069 R)
• M12: 2,643,095 km (0.113 R)
• M13: 2,838,021 km (0.059 R)
• M14: 2,937,354 km (0.059 R)
• M15: 3,242,384 km (0.085 R)
• M16: 4,141,767 km (0.067 R)
• M17: 4,953,485 km (0.115 R)
• M18: 6,152,811 km (0.113 R)
• M19: 7,805,718 km (0.082 R)
• M20: 7,945,442 km (0.097 R)
• M21: 8,995,619 km (0.051 R)
• M22: 9,388,164 km (0.118 R)
• M23: 9,686,313 km (0.094 R)
• M24: 10,291,885 km (0.116 R)
• M25: 10,599,308 km (0.109 R)
• M26: 13,109,860 km (0.077 R)
• M27: 14,118,000 km (0.107 R)
• M28: 14,688,716 km (0.065 R)
• M29: 15,092,630 km (0.104 R)
• M30: 15,558,927 km (0.114 R)
• M31: 15,852,737 km (0.118 R)
• M32: 16,326,513 km (0.12 R)
• M33: 16,865,215 km (0.039 R)
• M34: 17,106,517 km (0.114 R)
• M35: 17,409,751 km (0.083 R)
• M36: 17,714,781 km (0.08 R)
• M37: 18,578,111 km (0.103 R)
• M38: 18,640,343 km (0.088 R)
• M39: 18,702,576 km (0.087 R)
• M40: 19,014,937 km (0.104 R)
• M41: 21,509,930 km (0.048 R)
• M42: 21,706,202 km (0.067 R)
• M43: 23,632,724 km (0.054 R)
• M44: 25,130,498 km (0.067 R)
• M45: 25,682,813 km (0.082 R)
• M46: 26,799,112 km (0.119 R)
• M47: 28,790,709 km (0.104 R)
• M48: 29,586,120 km (0.099 R)
• M49: 29,731,530 km (0.066 R)
• M50: 31,124,585 km (0.068 R)
• M51: 31,272,388 km (0.095 R)
• M52: 32,089,940 km (0.112 R)
• M53: 32,164,589 km (0.117 R)
• M54: 32,538,734 km (0.095 R)
• M55: 33,291,510 km (0.104 R)
• M56: 33,518,450 km (0.108 R)
• M57: 33,594,147 km (0.116 R)
• M58: 34,202,412 km (0.045 R)
• M59: 35,738,483 km (0.066 R)
• M60: 36,359,314 km (0.114 R)
• M61: 38,877,794 km (0.04 R)
• M62: 39,596,163 km (0.09 R)
• M63: 42,185,852 km (0.096 R)
• M64: 42,431,491 km (0.115 R)
• M65: 42,841,838 km (0.098 R)
• M66: 43,088,675 km (0.105 R)
• M67: 43,335,960 km (0.059 R)
• M68: 43,583,844 km (0.05 R)
• M69: 43,832,027 km (0.046 R)
• M70: 43,997,781 km (0.088 R)
• M71: 44,080,808 km (0.113 R)
• M72: 46,847,770 km (0.083 R)
• M73: 49,153,073 km (0.064 R)
• M74: 51,582,543 km (0.051 R)
• M75: 52,020,416 km (0.114 R)
• M76: 56,467,212 km (0.098 R)
• M77: 56,737,835 km (0.082 R)
• M78: 56,918,549 km (0.089 R)
• M79: 58,097,530 km (0.112 R)
• M80: 59,284,589 km (0.099 R)
• M81: 59,651,553 km (0.098 R)
• M82: 60,295,422 km (0.115 R)
• M83: 60,387,574 km (0.111 R)
• M84: 60,572,028 km (0.093 R)
• M85: 61,126,588 km (0.043 R)
• M86: 61,961,493 km (0.096 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 15.3

Radius: 6.1

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 15.69 AU - 21.23 AU

Year: 29722 Days

Day: 22.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 27,905,153 km

• M1: 148,700 km (0.116 R)
• M2: 434,881 km (0.071 R)
• M3: 474,674 km (0.093 R)
• M4: 526,435 km (0.085 R)
• M5: 1,247,197 km (0.086 R)
• M6: 1,856,958 km (0.079 R)
• M7: 2,183,381 km (0.12 R)
• M8: 2,602,405 km (0.069 R)
• M9: 2,753,947 km (0.092 R)
• M10: 2,869,586 km (0.071 R)
• M11: 5,423,521 km (0.052 R)
• M12: 7,950,229 km (0.1 R)
• M13: 8,142,911 km (0.097 R)
• M14: 8,198,263 km (0.117 R)
• M15: 9,157,634 km (0.105 R)
• M16: 9,272,824 km (0.086 R)
• M17: 10,904,937 km (0.117 R)
• M18: 12,495,910 km (0.083 R)
• M19: 13,859,495 km (0.087 R)
• M20: 14,391,315 km (0.095 R)
• M21: 17,540,500 km (0.066 R)
• M22: 18,514,232 km (0.12 R)
• M23: 19,579,519 km (0.106 R)
• M24: 20,627,003 km (0.088 R)
• M25: 20,778,097 km (0.065 R)
• M26: 21,577,398 km (0.08 R)
• M27: 22,348,127 km (0.037 R)
• M28: 23,010,097 km (0.083 R)
• M29: 24,273,900 km (0.097 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: 490 - 19,051 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit