🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.73 AU - 1.03 AU

Year: 294 Days

Day: 34.5 Hours

Environment

Temp: 175 °C

Axial Tilt: 2.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.44 AU - 2.52 AU

Year: 1392 Days

Day: 39.2 Hours

Environment

Temp: -80 °C

Axial Tilt: 11.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 4.19 AU - 4.55 AU

Year: 3256 Days

Day: 17.4 Hours

Environment

Temp: -121 °C

Axial Tilt: 41.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,561,925 km

• M1: 2,236,039 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.4

Radius: 9.4

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.54 AU - 6.3 AU

Year: 4498 Days

Day: 11.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 87,561,925 km

• M1: 122,072 km (0.106 R)
• M2: 213,476 km (0.086 R)
• M3: 419,622 km (0.096 R)
• M4: 654,640 km (0.118 R)
• M5: 758,611 km (0.113 R)
• M6: 858,243 km (0.071 R)
• M7: 941,270 km (0.061 R)
• M8: 1,016,368 km (0.115 R)
• M9: 1,093,710 km (0.071 R)
• M10: 1,161,478 km (0.105 R)
• M11: 1,361,789 km (0.104 R)
• M12: 1,945,670 km (0.095 R)
• M13: 2,463,727 km (0.098 R)
• M14: 2,569,343 km (0.115 R)
• M15: 2,863,752 km (0.068 R)
• M16: 2,943,039 km (0.04 R)
• M17: 3,087,700 km (0.057 R)
• M18: 3,267,666 km (0.104 R)
• M19: 3,689,682 km (0.067 R)
• M20: 3,863,515 km (0.093 R)
• M21: 4,039,890 km (0.057 R)
• M22: 4,419,121 km (0.113 R)
• M23: 5,038,007 km (0.109 R)
• M24: 5,485,604 km (0.117 R)
• M25: 5,564,742 km (0.1 R)
• M26: 5,644,178 km (0.086 R)
• M27: 5,704,167 km (0.098 R)
• M28: 5,764,305 km (0.078 R)
• M29: 5,945,917 km (0.102 R)
• M30: 6,129,324 km (0.088 R)
• M31: 6,232,098 km (0.111 R)
• M32: 6,418,646 km (0.1 R)
• M33: 6,754,643 km (0.111 R)
• M34: 6,967,670 km (0.105 R)
• M35: 8,268,723 km (0.056 R)
• M36: 8,359,679 km (0.05 R)
• M37: 8,842,431 km (0.112 R)
• M38: 9,145,815 km (0.091 R)
• M39: 9,263,549 km (0.084 R)
• M40: 9,547,785 km (0.047 R)
• M41: 9,619,442 km (0.11 R)
• M42: 10,125,083 km (0.096 R)
• M43: 10,467,213 km (0.104 R)
• M44: 10,664,234 km (0.114 R)
• M45: 11,263,074 km (0.101 R)
• M46: 11,872,835 km (0.093 R)
• M47: 12,389,097 km (0.12 R)
• M48: 13,470,540 km (0.108 R)
• M49: 13,577,652 km (0.114 R)
• M50: 13,738,769 km (0.064 R)
• M51: 13,981,866 km (0.118 R)
• M52: 14,253,536 km (0.113 R)
• M53: 15,106,692 km (0.113 R)
• M54: 15,441,492 km (0.085 R)
• M55: 15,581,665 km (0.091 R)
• M56: 16,776,055 km (0.101 R)
• M57: 17,530,178 km (0.084 R)
• M58: 17,676,484 km (0.112 R)
• M59: 17,793,769 km (0.115 R)
• M60: 17,882,032 km (0.056 R)
• M61: 18,088,327 km (0.119 R)
• M62: 18,295,371 km (0.084 R)
• M63: 18,443,772 km (0.106 R)
• M64: 18,741,771 km (0.066 R)
• M65: 18,921,288 km (0.119 R)
• M66: 19,221,830 km (0.101 R)
• M67: 19,554,237 km (0.083 R)
• M68: 19,614,974 km (0.089 R)
• M69: 19,675,561 km (0.11 R)
• M70: 19,766,815 km (0.114 R)
• M71: 19,980,142 km (0.077 R)
• M72: 20,102,363 km (0.086 R)
• M73: 20,347,554 km (0.087 R)
• M74: 20,470,524 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.6

Radius: 8.6

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 5.08 AU - 8.28 AU

Year: 6154 Days

Day: 14.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 87,561,925 km

• M1: 194,776 km (0.059 R)
• M2: 310,266 km (0.083 R)
• M3: 379,081 km (0.069 R)
• M4: 462,856 km (0.083 R)
• M5: 516,711 km (0.074 R)
• M6: 621,729 km (0.082 R)
• M7: 692,489 km (0.1 R)
• M8: 809,773 km (0.095 R)
• M9: 910,901 km (0.086 R)
• M10: 992,582 km (0.059 R)
• M11: 1,052,571 km (0.114 R)
• M12: 1,384,678 km (0.045 R)
• M13: 1,438,683 km (0.09 R)
• M14: 1,562,849 km (0.044 R)
• M15: 2,079,261 km (0.11 R)
• M16: 2,172,909 km (0.059 R)
• M17: 2,316,074 km (0.034 R)
• M18: 2,413,313 km (0.102 R)
• M19: 2,511,898 km (0.074 R)
• M20: 2,662,393 km (0.053 R)
• M21: 2,747,215 km (0.105 R)
• M22: 3,113,730 km (0.109 R)
• M23: 3,257,494 km (0.11 R)
• M24: 3,330,198 km (0.112 R)
• M25: 3,892,836 km (0.111 R)
• M26: 5,062,392 km (0.066 R)
• M27: 5,146,915 km (0.086 R)
• M28: 5,231,886 km (0.043 R)
• M29: 5,795,422 km (0.109 R)
• M30: 6,355,366 km (0.088 R)
• M31: 6,492,398 km (0.12 R)
• M32: 6,607,289 km (0.106 R)
• M33: 7,334,784 km (0.039 R)
• M34: 7,793,301 km (0.042 R)
• M35: 8,510,922 km (0.108 R)
• M36: 9,509,039 km (0.087 R)
• M37: 9,823,494 km (0.03 R)
• M38: 9,982,068 km (0.103 R)
• M39: 10,141,539 km (0.106 R)
• M40: 10,597,812 km (0.1 R)
• M41: 10,679,044 km (0.08 R)
• M42: 11,502,580 km (0.092 R)
• M43: 12,232,767 km (0.116 R)
• M44: 12,546,325 km (0.094 R)
• M45: 12,718,362 km (0.099 R)
• M46: 13,152,046 km (0.069 R)
• M47: 13,708,401 km (0.114 R)
• M48: 13,826,434 km (0.092 R)
• M49: 14,153,006 km (0.053 R)
• M50: 14,783,411 km (0.053 R)
• M51: 14,995,691 km (0.112 R)
• M52: 15,885,499 km (0.035 R)
• M53: 16,133,981 km (0.115 R)
• M54: 16,855,491 km (0.097 R)
• M55: 17,587,474 km (0.108 R)
• M56: 18,395,003 km (0.084 R)
• M57: 18,623,289 km (0.111 R)
• M58: 18,754,187 km (0.107 R)
• M59: 19,280,622 km (0.061 R)
• M60: 20,855,140 km (0.082 R)
• M61: 21,366,316 km (0.12 R)
• M62: 22,054,316 km (0.112 R)
• M63: 22,123,431 km (0.091 R)
• M64: 22,192,695 km (0.067 R)
• M65: 22,784,504 km (0.106 R)
• M66: 22,959,533 km (0.082 R)
• M67: 23,381,399 km (0.076 R)
• M68: 23,663,990 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.9

Radius: 8.6

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 8.73 AU - 10.07 AU

Year: 10273 Days

Day: 8 Hours

Environment

Temp: -162 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 87,561,925 km

• M1: 125,213 km (0.094 R)
• M2: 470,485 km (0.054 R)
• M3: 628,760 km (0.095 R)
• M4: 789,877 km (0.047 R)
• M5: 899,682 km (0.115 R)
• M6: 1,082,789 km (0.114 R)
• M7: 1,260,063 km (0.056 R)
• M8: 1,427,762 km (0.093 R)
• M9: 1,543,700 km (0.095 R)
• M10: 1,703,172 km (0.078 R)
• M11: 2,060,262 km (0.106 R)
• M12: 3,039,530 km (0.042 R)
• M13: 3,240,439 km (0.047 R)
• M14: 3,815,793 km (0.058 R)
• M15: 3,923,803 km (0.113 R)
• M16: 4,882,575 km (0.117 R)
• M17: 5,000,010 km (0.037 R)
• M18: 5,177,882 km (0.089 R)
• M19: 5,601,243 km (0.106 R)
• M20: 5,693,396 km (0.081 R)
• M21: 5,785,997 km (0.12 R)
• M22: 6,067,091 km (0.09 R)
• M23: 6,448,865 km (0.081 R)
• M24: 6,772,894 km (0.107 R)
• M25: 6,871,180 km (0.117 R)
• M26: 7,102,309 km (0.102 R)
• M27: 7,235,600 km (0.027 R)
• M28: 7,369,640 km (0.088 R)
• M29: 7,742,587 km (0.09 R)
• M30: 9,624,529 km (0.083 R)
• M31: 9,920,433 km (0.093 R)
• M32: 10,144,232 km (0.086 R)
• M33: 10,369,825 km (0.045 R)
• M34: 10,597,064 km (0.102 R)
• M35: 10,711,357 km (0.1 R)
• M36: 10,787,652 km (0.107 R)
• M37: 11,366,297 km (0.12 R)
• M38: 12,513,563 km (0.064 R)
• M39: 12,634,288 km (0.11 R)
• M40: 13,697,181 km (0.105 R)
• M41: 14,071,774 km (0.067 R)
• M42: 14,281,361 km (0.094 R)
• M43: 14,407,621 km (0.094 R)
• M44: 14,576,517 km (0.111 R)
• M45: 14,916,254 km (0.097 R)
• M46: 15,215,749 km (0.115 R)
• M47: 15,430,871 km (0.096 R)
• M48: 15,864,106 km (0.052 R)
• M49: 15,951,322 km (0.066 R)
• M50: 16,301,381 km (0.073 R)
• M51: 17,277,357 km (0.09 R)
• M52: 17,411,995 km (0.114 R)
• M53: 17,999,017 km (0.093 R)
• M54: 19,099,908 km (0.082 R)
• M55: 19,378,459 km (0.057 R)
• M56: 19,565,008 km (0.051 R)
• M57: 19,939,751 km (0.104 R)
• M58: 21,030,469 km (0.096 R)
• M59: 21,222,104 km (0.077 R)
• M60: 21,318,145 km (0.113 R)
• M61: 21,462,507 km (0.062 R)
• M62: 21,655,489 km (0.11 R)
• M63: 22,923,779 km (0.117 R)
• M64: 24,517,745 km (0.043 R)
• M65: 25,890,155 km (0.112 R)
• M66: 25,992,780 km (0.032 R)
• M67: 27,026,800 km (0.062 R)
• M68: 27,968,818 km (0.082 R)
• M69: 28,338,025 km (0.11 R)
• M70: 28,762,135 km (0.086 R)
• M71: 29,938,872 km (0.084 R)
• M72: 30,100,588 km (0.106 R)
• M73: 30,750,142 km (0.118 R)
• M74: 32,063,312 km (0.038 R)
• M75: 32,283,968 km (0.103 R)
• M76: 32,893,430 km (0.032 R)
• M77: 32,948,931 km (0.118 R)
• M78: 33,562,432 km (0.091 R)
• M79: 35,084,291 km (0.089 R)
• M80: 35,767,953 km (0.115 R)
• M81: 36,686,185 km (0.101 R)
• M82: 36,917,015 km (0.094 R)
• M83: 38,078,193 km (0.094 R)
• M84: 38,136,536 km (0.119 R)
• M85: 38,487,343 km (0.097 R)
• M86: 39,369,223 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 175.3

Radius: 5.8

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 14.88 AU - 15.7 AU

Year: 21311 Days

Day: 21.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 53.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 87,561,925 km

• M1: 95,593 km (0.066 R)
• M2: 203,902 km (0.105 R)
• M3: 651,798 km (0.058 R)
• M4: 964,457 km (0.089 R)
• M5: 1,064,688 km (0.115 R)
• M6: 1,105,827 km (0.117 R)
• M7: 1,453,643 km (0.079 R)
• M8: 1,592,469 km (0.11 R)
• M9: 1,983,668 km (0.052 R)
• M10: 2,458,192 km (0.117 R)
• M11: 2,568,296 km (0.114 R)
• M12: 2,850,737 km (0.117 R)
• M13: 3,025,019 km (0.083 R)
• M14: 3,172,821 km (0.118 R)
• M15: 3,292,948 km (0.053 R)
• M16: 3,537,391 km (0.117 R)
• M17: 4,339,086 km (0.036 R)
• M18: 5,371,611 km (0.092 R)
• M19: 5,841,797 km (0.103 R)
• M20: 6,063,202 km (0.109 R)
• M21: 6,249,750 km (0.073 R)
• M22: 6,476,241 km (0.109 R)
• M23: 6,666,979 km (0.11 R)
• M24: 6,898,407 km (0.07 R)
• M25: 7,488,421 km (0.088 R)
• M26: 7,648,490 km (0.041 R)
• M27: 8,590,658 km (0.083 R)
• M28: 8,674,283 km (0.065 R)
• M29: 10,492,495 km (0.045 R)
• M30: 10,806,651 km (0.068 R)
• M31: 10,897,008 km (0.102 R)
• M32: 11,767,668 km (0.083 R)
• M33: 11,814,043 km (0.101 R)
• M34: 12,047,117 km (0.108 R)
• M35: 12,376,082 km (0.108 R)
• M36: 13,042,840 km (0.1 R)
• M37: 13,235,372 km (0.105 R)
• M38: 13,332,162 km (0.111 R)
• M39: 13,574,810 km (0.043 R)
• M40: 14,460,579 km (0.067 R)
• M41: 15,011,099 km (0.027 R)
• M42: 15,568,351 km (0.115 R)
• M43: 16,651,141 km (0.038 R)
• M44: 17,333,456 km (0.096 R)
• M45: 17,651,502 km (0.058 R)
• M46: 17,704,609 km (0.071 R)
• M47: 18,185,716 km (0.107 R)
• M48: 18,508,847 km (0.09 R)
• M49: 18,942,681 km (0.025 R)
• M50: 19,051,588 km (0.114 R)
• M51: 19,106,191 km (0.118 R)
• M52: 19,544,663 km (0.114 R)
• M53: 19,709,819 km (0.101 R)
• M54: 19,765,020 km (0.096 R)
• M55: 20,599,028 km (0.084 R)
• M56: 23,285,657 km (0.113 R)
• M57: 24,521,185 km (0.098 R)
• M58: 25,838,245 km (0.085 R)
• M59: 25,959,120 km (0.077 R)
• M60: 27,116,858 km (0.086 R)
• M61: 27,239,678 km (0.098 R)
• M62: 27,856,620 km (0.089 R)
• M63: 27,980,487 km (0.029 R)
• M64: 28,104,653 km (0.049 R)
• M65: 28,228,969 km (0.106 R)
• M66: 30,306,434 km (0.119 R)
• M67: 30,497,770 km (0.11 R)
• M68: 30,945,666 km (0.056 R)
• M69: 31,460,133 km (0.103 R)
• M70: 31,653,862 km (0.095 R)
• M71: 31,718,489 km (0.027 R)
• M72: 33,810,465 km (0.08 R)
• M73: 34,872,909 km (0.115 R)
• M74: 35,879,105 km (0.063 R)
• M75: 35,946,424 km (0.113 R)
• M76: 36,826,657 km (0.108 R)
• M77: 37,167,142 km (0.101 R)
• M78: 38,954,089 km (0.108 R)
• M79: 40,277,581 km (0.114 R)
• M80: 40,628,239 km (0.076 R)
• M81: 42,041,340 km (0.106 R)
• M82: 42,112,399 km (0.113 R)
• M83: 43,039,906 km (0.111 R)
• M84: 43,326,685 km (0.048 R)
• M85: 43,974,294 km (0.103 R)
• M86: 46,449,391 km (0.095 R)
• M87: 48,000,571 km (0.095 R)
• M88: 48,074,772 km (0.117 R)
• M89: 49,418,460 km (0.081 R)
• M90: 50,170,339 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 622.8

Radius: 3.1

Gravity: 64.81 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 15.3 AU - 19.52 AU

Year: 25894 Days

Day: 17.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 87,561,925 km

• M1: 69,563 km (0.092 R)
• M2: 611,706 km (0.104 R)
• M3: 765,193 km (0.076 R)
• M4: 1,076,357 km (0.102 R)
• M5: 1,389,764 km (0.119 R)
• M6: 1,422,526 km (0.104 R)
• M7: 1,455,587 km (0.118 R)
• M8: 1,522,607 km (0.055 R)
• M9: 1,556,416 km (0.119 R)
• M10: 1,764,806 km (0.107 R)
• M11: 1,908,570 km (0.083 R)
• M12: 1,945,221 km (0.072 R)
• M13: 2,093,772 km (0.087 R)
• M14: 2,362,450 km (0.046 R)
• M15: 2,560,966 km (0.1 R)
• M16: 2,931,819 km (0.112 R)
• M17: 3,101,912 km (0.042 R)
• M18: 3,363,110 km (0.086 R)
• M19: 3,541,281 km (0.117 R)
• M20: 3,953,124 km (0.055 R)
• M21: 5,379,539 km (0.092 R)
• M22: 6,173,306 km (0.118 R)
• M23: 6,336,367 km (0.071 R)
• M24: 6,722,480 km (0.095 R)
• M25: 8,885,964 km (0.11 R)
• M26: 9,193,388 km (0.114 R)
• M27: 9,442,019 km (0.046 R)
• M28: 9,755,726 km (0.12 R)
• M29: 10,587,490 km (0.114 R)
• M30: 10,847,940 km (0.058 R)
• M31: 11,308,851 km (0.094 R)
• M32: 12,113,688 km (0.114 R)
• M33: 12,454,472 km (0.118 R)
• M34: 12,522,987 km (0.049 R)
• M35: 12,660,468 km (0.059 R)
• M36: 12,867,511 km (0.107 R)
• M37: 13,145,314 km (0.103 R)
• M38: 14,348,231 km (0.102 R)
• M39: 14,564,101 km (0.046 R)
• M40: 15,218,292 km (0.076 R)
• M41: 16,705,893 km (0.114 R)
• M42: 22,014,523 km (0.08 R)
• M43: 23,437,498 km (0.068 R)
• M44: 29,967,146 km (0.115 R)
• M45: 31,354,816 km (0.089 R)
• M46: 31,634,863 km (0.064 R)
• M47: 32,103,404 km (0.097 R)
• M48: 34,096,197 km (0.091 R)
• M49: 34,480,364 km (0.118 R)
• M50: 34,576,556 km (0.082 R)
• M51: 35,641,244 km (0.096 R)
• M52: 36,128,634 km (0.082 R)
• M53: 39,199,878 km (0.063 R)
• M54: 39,400,938 km (0.091 R)
• M55: 39,803,954 km (0.119 R)
• M56: 40,309,595 km (0.111 R)
• M57: 40,919,356 km (0.119 R)
• M58: 42,250,627 km (0.07 R)
• M59: 43,180,677 km (0.067 R)
• M60: 43,284,349 km (0.12 R)
• M61: 44,850,489 km (0.114 R)
• M62: 45,904,855 km (0.12 R)
• M63: 46,328,965 km (0.07 R)
• M64: 47,074,112 km (0.113 R)
• M65: 47,823,298 km (0.119 R)
• M66: 48,145,532 km (0.084 R)
• M67: 48,684,233 km (0.095 R)
• M68: 48,792,243 km (0.105 R)
• M69: 52,178,840 km (0.089 R)
• M70: 53,287,510 km (0.116 R)
• M71: 54,740,105 km (0.066 R)
• M72: 55,189,796 km (0.098 R)
• M73: 55,866,427 km (0.09 R)
• M74: 55,979,523 km (0.041 R)
• M75: 56,205,865 km (0.113 R)
• M76: 57,342,061 km (0.026 R)
• M77: 58,371,144 km (0.075 R)
• M78: 60,563,501 km (0.093 R)
• M79: 61,728,121 km (0.081 R)
• M80: 62,547,767 km (0.031 R)
• M81: 63,724,953 km (0.093 R)
• M82: 65,504,420 km (0.099 R)
• M83: 68,869,474 km (0.056 R)
• M84: 75,765,936 km (0.107 R)
• M85: 76,894,652 km (0.096 R)
• M86: 79,295,548 km (0.087 R)
• M87: 79,422,706 km (0.086 R)
• M88: 80,313,861 km (0.098 R)
• M89: 80,824,588 km (0.08 R)
• M90: 83,782,437 km (0.095 R)
• M91: 84,300,345 km (0.114 R)
• M92: 84,819,450 km (0.094 R)
• M93: 85,209,451 km (0.092 R)
• M94: 85,860,800 km (0.115 R)

Kuiper Belt

Range: 30.8 - 50.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 247 - 10,910 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit