🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.47 AU - 0.63 AU

Year: 259 Days

Day: 43.6 Hours

Environment

Temp: -130 °C

Axial Tilt: 27.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.9

Radius: 8.5

Gravity: 9.24 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.79 AU - 1.19 AU

Year: 626 Days

Day: 10.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 54,815,619 km

• M1: 112,049 km (0.102 R)
• M2: 193,280 km (0.036 R)
• M3: 315,352 km (0.094 R)
• M4: 379,081 km (0.044 R)
• M5: 456,124 km (0.113 R)
• M6: 509,530 km (0.066 R)
• M7: 574,306 km (0.07 R)
• M8: 655,987 km (0.082 R)
• M9: 832,213 km (0.075 R)
• M10: 974,630 km (0.098 R)
• M11: 1,068,578 km (0.119 R)
• M12: 1,171,501 km (0.093 R)
• M13: 1,247,945 km (0.09 R)
• M14: 1,338,303 km (0.105 R)
• M15: 1,399,787 km (0.048 R)
• M16: 1,481,318 km (0.073 R)
• M17: 1,551,480 km (0.033 R)
• M18: 1,616,405 km (0.105 R)
• M19: 1,701,975 km (0.062 R)
• M20: 1,775,727 km (0.076 R)
• M21: 1,933,403 km (0.076 R)
• M22: 2,226,016 km (0.104 R)
• M23: 2,321,759 km (0.104 R)
• M24: 2,381,449 km (0.077 R)
• M25: 2,555,730 km (0.041 R)
• M26: 2,860,910 km (0.058 R)
• M27: 2,941,094 km (0.059 R)
• M28: 3,046,411 km (0.1 R)
• M29: 3,260,934 km (0.111 R)
• M30: 3,353,236 km (0.036 R)
• M31: 3,437,909 km (0.101 R)
• M32: 3,783,629 km (0.118 R)
• M33: 3,933,975 km (0.046 R)
• M34: 4,068,314 km (0.109 R)
• M35: 4,131,444 km (0.116 R)
• M36: 4,231,525 km (0.054 R)
• M37: 4,536,406 km (0.077 R)
• M38: 4,963,508 km (0.033 R)
• M39: 5,099,193 km (0.094 R)
• M40: 5,265,396 km (0.092 R)
• M41: 5,463,314 km (0.11 R)
• M42: 5,633,557 km (0.09 R)
• M43: 5,775,076 km (0.077 R)
• M44: 5,846,135 km (0.078 R)
• M45: 5,917,643 km (0.081 R)
• M46: 5,999,772 km (0.112 R)
• M47: 6,092,523 km (0.079 R)
• M48: 6,300,314 km (0.091 R)
• M49: 6,394,711 km (0.096 R)
• M50: 6,489,406 km (0.065 R)
• M51: 6,552,836 km (0.115 R)
• M52: 7,002,826 km (0.067 R)
• M53: 7,385,497 km (0.085 R)
• M54: 7,451,769 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.5

Radius: 9.6

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.23 AU - 1.87 AU

Year: 1227 Days

Day: 14.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 54,815,619 km

• M1: 140,024 km (0.085 R)
• M2: 212,728 km (0.118 R)
• M3: 321,336 km (0.108 R)
• M4: 492,476 km (0.117 R)
• M5: 632,350 km (0.066 R)
• M6: 700,268 km (0.12 R)
• M7: 760,705 km (0.058 R)
• M8: 876,494 km (0.059 R)
• M9: 1,004,251 km (0.051 R)
• M10: 1,085,183 km (0.052 R)
• M11: 1,266,346 km (0.112 R)
• M12: 1,379,891 km (0.109 R)
• M13: 1,679,087 km (0.108 R)
• M14: 1,762,413 km (0.044 R)
• M15: 1,890,019 km (0.106 R)
• M16: 1,998,777 km (0.105 R)
• M17: 2,215,096 km (0.095 R)
• M18: 2,299,170 km (0.113 R)
• M19: 2,462,680 km (0.059 R)
• M20: 2,526,110 km (0.09 R)
• M21: 2,597,917 km (0.105 R)
• M22: 2,695,006 km (0.083 R)
• M23: 2,817,975 km (0.074 R)
• M24: 2,892,624 km (0.086 R)
• M25: 2,993,304 km (0.117 R)
• M26: 3,206,630 km (0.053 R)
• M27: 3,310,900 km (0.113 R)
• M28: 3,496,102 km (0.114 R)
• M29: 3,612,489 km (0.095 R)
• M30: 3,739,348 km (0.09 R)
• M31: 3,803,376 km (0.053 R)
• M32: 3,941,605 km (0.113 R)
• M33: 4,034,804 km (0.101 R)
• M34: 4,270,870 km (0.049 R)
• M35: 4,414,783 km (0.07 R)
• M36: 4,658,178 km (0.06 R)
• M37: 4,746,740 km (0.086 R)
• M38: 4,935,982 km (0.105 R)
• M39: 5,026,339 km (0.107 R)
• M40: 5,117,444 km (0.096 R)
• M41: 5,178,480 km (0.08 R)
• M42: 5,393,901 km (0.117 R)
• M43: 5,476,628 km (0.117 R)
• M44: 5,539,160 km (0.114 R)
• M45: 5,759,368 km (0.101 R)
• M46: 5,939,933 km (0.075 R)
• M47: 6,154,756 km (0.047 R)
• M48: 6,230,452 km (0.104 R)
• M49: 6,361,051 km (0.027 R)
• M50: 6,602,951 km (0.025 R)
• M51: 6,747,313 km (0.059 R)
• M52: 6,937,751 km (0.087 R)
• M53: 7,016,589 km (0.063 R)
• M54: 7,312,344 km (0.083 R)
• M55: 7,508,018 km (0.108 R)
• M56: 7,682,000 km (0.096 R)
• M57: 7,798,836 km (0.075 R)
• M58: 7,927,939 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.4

Radius: 13.8

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.31 AU - 2.67 AU

Year: 2498 Days

Day: 14.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 54,815,619 km

• M1: 177,573 km (0.101 R)
• M2: 418,874 km (0.078 R)
• M3: 517,160 km (0.032 R)
• M4: 633,547 km (0.064 R)
• M5: 719,715 km (0.056 R)
• M6: 862,282 km (0.084 R)
• M7: 960,269 km (0.071 R)
• M8: 1,178,532 km (0.03 R)
• M9: 1,289,085 km (0.113 R)
• M10: 1,620,444 km (0.112 R)
• M11: 1,721,871 km (0.11 R)
• M12: 1,849,030 km (0.081 R)
• M13: 2,003,415 km (0.082 R)
• M14: 2,262,219 km (0.103 R)
• M15: 2,454,003 km (0.117 R)
• M16: 2,611,380 km (0.112 R)
• M17: 2,704,730 km (0.116 R)
• M18: 3,132,131 km (0.059 R)
• M19: 3,346,804 km (0.093 R)
• M20: 4,113,044 km (0.093 R)
• M21: 4,428,247 km (0.032 R)
• M22: 4,572,609 km (0.096 R)
• M23: 4,669,847 km (0.071 R)
• M24: 4,833,507 km (0.084 R)
• M25: 5,032,323 km (0.097 R)
• M26: 5,132,703 km (0.072 R)
• M27: 5,472,440 km (0.064 R)
• M28: 5,558,608 km (0.086 R)
• M29: 5,679,782 km (0.11 R)
• M30: 5,925,123 km (0.098 R)
• M31: 6,174,054 km (0.066 R)
• M32: 6,480,879 km (0.113 R)
• M33: 7,015,991 km (0.113 R)
• M34: 7,680,803 km (0.106 R)
• M35: 7,816,190 km (0.115 R)
• M36: 8,405,605 km (0.084 R)
• M37: 8,745,940 km (0.097 R)
• M38: 9,029,727 km (0.062 R)
• M39: 9,213,882 km (0.086 R)
• M40: 9,357,796 km (0.096 R)
• M41: 9,731,641 km (0.116 R)
• M42: 10,131,516 km (0.08 R)
• M43: 10,774,039 km (0.111 R)
• M44: 10,882,348 km (0.102 R)
• M45: 11,231,659 km (0.085 R)
• M46: 11,540,279 km (0.089 R)
• M47: 12,211,076 km (0.056 R)
• M48: 12,392,089 km (0.107 R)
• M49: 12,551,261 km (0.088 R)
• M50: 12,802,735 km (0.07 R)
• M51: 13,032,817 km (0.094 R)
• M52: 14,156,297 km (0.064 R)
• M53: 14,418,093 km (0.118 R)
• M54: 14,729,556 km (0.071 R)
• M55: 14,874,067 km (0.084 R)
• M56: 15,261,825 km (0.103 R)
• M57: 16,196,213 km (0.116 R)
• M58: 16,695,272 km (0.04 R)
• M59: 16,795,802 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 291.6

Radius: 4.7

Gravity: 13.2 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 6.96 AU - 8.06 AU

Year: 13086 Days

Day: 24.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 54,815,619 km

• M1: 65,524 km (0.069 R)
• M2: 137,630 km (0.109 R)
• M3: 249,529 km (0.047 R)
• M4: 416,032 km (0.072 R)
• M5: 1,088,624 km (0.114 R)
• M6: 1,503,309 km (0.087 R)
• M7: 1,587,383 km (0.115 R)
• M8: 1,738,477 km (0.033 R)
• M9: 2,124,439 km (0.073 R)
• M10: 2,219,135 km (0.058 R)
• M11: 2,266,857 km (0.115 R)
• M12: 2,893,522 km (0.078 R)
• M13: 2,972,061 km (0.114 R)
• M14: 3,293,696 km (0.048 R)
• M15: 3,430,878 km (0.079 R)
• M16: 3,486,378 km (0.068 R)
• M17: 3,654,526 km (0.097 R)
• M18: 5,092,012 km (0.1 R)
• M19: 6,068,886 km (0.08 R)
• M20: 6,786,208 km (0.045 R)
• M21: 7,243,678 km (0.119 R)
• M22: 7,674,670 km (0.052 R)
• M23: 8,826,125 km (0.051 R)
• M24: 9,093,606 km (0.11 R)
• M25: 9,247,542 km (0.096 R)
• M26: 9,597,302 km (0.114 R)
• M27: 9,636,347 km (0.027 R)
• M28: 9,832,769 km (0.086 R)
• M29: 9,872,263 km (0.041 R)
• M30: 9,951,250 km (0.085 R)
• M31: 10,429,814 km (0.114 R)
• M32: 11,038,677 km (0.112 R)
• M33: 11,492,408 km (0.096 R)
• M34: 11,575,584 km (0.118 R)
• M35: 11,617,172 km (0.095 R)
• M36: 13,019,503 km (0.102 R)
• M37: 13,106,269 km (0.116 R)
• M38: 13,939,380 km (0.109 R)
• M39: 14,250,693 km (0.108 R)
• M40: 14,295,273 km (0.093 R)
• M41: 15,016,036 km (0.11 R)
• M42: 17,153,191 km (0.095 R)
• M43: 18,015,024 km (0.057 R)
• M44: 18,354,013 km (0.092 R)
• M45: 18,402,632 km (0.089 R)
• M46: 18,939,988 km (0.097 R)
• M47: 19,185,927 km (0.026 R)
• M48: 19,581,613 km (0.046 R)
• M49: 19,730,762 km (0.034 R)
• M50: 19,830,395 km (0.103 R)
• M51: 20,080,073 km (0.115 R)
• M52: 20,130,189 km (0.109 R)
• M53: 20,784,829 km (0.106 R)
• M54: 21,191,286 km (0.085 R)
• M55: 21,908,758 km (0.109 R)
• M56: 22,166,964 km (0.093 R)
• M57: 22,686,367 km (0.098 R)
• M58: 24,375,028 km (0.109 R)
• M59: 24,964,893 km (0.079 R)
• M60: 26,487,350 km (0.063 R)
• M61: 26,982,968 km (0.117 R)
• M62: 27,426,226 km (0.074 R)
• M63: 27,537,378 km (0.111 R)
• M64: 27,593,028 km (0.044 R)
• M65: 27,648,678 km (0.048 R)
• M66: 28,151,477 km (0.088 R)
• M67: 28,207,576 km (0.118 R)
• M68: 28,376,023 km (0.072 R)
• M69: 29,166,199 km (0.037 R)
• M70: 29,620,977 km (0.072 R)
• M71: 30,883,732 km (0.072 R)
• M72: 30,941,627 km (0.114 R)
• M73: 32,046,856 km (0.112 R)
• M74: 33,699,164 km (0.075 R)
• M75: 34,176,382 km (0.063 R)
• M76: 34,296,060 km (0.114 R)
• M77: 34,896,396 km (0.104 R)
• M78: 35,197,836 km (0.096 R)
• M79: 35,742,522 km (0.091 R)
• M80: 35,924,881 km (0.085 R)
• M81: 36,168,277 km (0.107 R)
• M82: 36,229,164 km (0.084 R)
• M83: 36,595,529 km (0.116 R)
• M84: 37,455,268 km (0.098 R)
• M85: 38,757,218 km (0.046 R)
• M86: 38,881,983 km (0.106 R)
• M87: 39,633,413 km (0.047 R)
• M88: 40,010,848 km (0.03 R)
• M89: 40,389,630 km (0.108 R)
• M90: 41,023,326 km (0.114 R)
• M91: 41,405,250 km (0.096 R)
• M92: 42,108,360 km (0.094 R)
• M93: 42,236,565 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 753.5

Radius: 4.7

Gravity: 34.11 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 8.27 AU - 10.85 AU

Year: 18794 Days

Day: 19.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 54,815,619 km

• M1: 430,243 km (0.039 R)
• M2: 509,830 km (0.089 R)
• M3: 660,774 km (0.117 R)
• M4: 850,314 km (0.102 R)
• M5: 977,173 km (0.085 R)
• M6: 1,220,868 km (0.1 R)
• M7: 1,667,268 km (0.099 R)
• M8: 1,891,515 km (0.089 R)
• M9: 2,368,433 km (0.08 R)
• M10: 2,475,396 km (0.116 R)
• M11: 2,657,008 km (0.118 R)
• M12: 2,693,809 km (0.113 R)
• M13: 2,768,159 km (0.114 R)
• M14: 2,805,409 km (0.113 R)
• M15: 2,918,654 km (0.068 R)
• M16: 3,267,068 km (0.111 R)
• M17: 4,087,463 km (0.064 R)
• M18: 4,564,680 km (0.077 R)
• M19: 4,653,242 km (0.12 R)
• M20: 4,922,668 km (0.104 R)
• M21: 5,429,655 km (0.107 R)
• M22: 5,713,143 km (0.116 R)
• M23: 6,945,231 km (0.043 R)
• M24: 9,189,498 km (0.063 R)
• M25: 9,301,547 km (0.085 R)
• M26: 10,214,094 km (0.117 R)
• M27: 10,446,719 km (0.111 R)
• M28: 10,917,054 km (0.112 R)
• M29: 11,035,685 km (0.102 R)
• M30: 11,214,455 km (0.097 R)
• M31: 11,454,410 km (0.093 R)
• M32: 12,245,782 km (0.116 R)
• M33: 12,492,769 km (0.052 R)
• M34: 12,803,932 km (0.097 R)
• M35: 13,180,620 km (0.065 R)
• M36: 13,243,750 km (0.088 R)
• M37: 13,880,738 km (0.114 R)
• M38: 14,527,449 km (0.094 R)
• M39: 15,118,062 km (0.062 R)
• M40: 16,867,609 km (0.082 R)
• M41: 18,964,372 km (0.084 R)
• M42: 20,480,248 km (0.069 R)
• M43: 20,773,460 km (0.084 R)
• M44: 22,259,864 km (0.077 R)
• M45: 22,334,962 km (0.106 R)
• M46: 22,410,359 km (0.101 R)
• M47: 23,626,590 km (0.09 R)
• M48: 24,011,057 km (0.113 R)
• M49: 25,176,873 km (0.063 R)
• M50: 25,964,206 km (0.091 R)
• M51: 26,919,688 km (0.117 R)
• M52: 28,537,589 km (0.119 R)
• M53: 28,946,889 km (0.071 R)
• M54: 30,771,085 km (0.118 R)
• M55: 31,359,304 km (0.099 R)
• M56: 31,951,263 km (0.087 R)
• M57: 33,576,344 km (0.096 R)
• M58: 35,140,540 km (0.112 R)
• M59: 36,019,727 km (0.105 R)
• M60: 36,906,243 km (0.04 R)
• M61: 37,620,573 km (0.118 R)
• M62: 38,069,367 km (0.068 R)
• M63: 39,426,220 km (0.119 R)
• M64: 40,431,368 km (0.06 R)
• M65: 41,075,387 km (0.096 R)
• M66: 41,444,893 km (0.091 R)
• M67: 43,590,875 km (0.064 R)
• M68: 44,345,746 km (0.055 R)
• M69: 44,535,137 km (0.067 R)
• M70: 46,540,047 km (0.116 R)
• M71: 47,698,832 km (0.098 R)
• M72: 48,184,427 km (0.106 R)
• M73: 49,258,689 km (0.085 R)
• M74: 51,331,069 km (0.066 R)
• M75: 51,728,999 km (0.106 R)
• M76: 51,828,631 km (0.09 R)
• M77: 51,928,413 km (0.07 R)
• M78: 53,532,551 km (0.097 R)
• M79: 54,442,106 km (0.117 R)
• M80: 55,051,119 km (0.119 R)
• M81: 57,820,175 km (0.078 R)
• M82: 58,027,069 km (0.057 R)
• M83: 59,482,357 km (0.098 R)
• M84: 61,265,414 km (0.104 R)
• M85: 62,959,760 km (0.107 R)
• M86: 64,669,364 km (0.069 R)
• M87: 65,853,581 km (0.119 R)
• M88: 67,262,195 km (0.115 R)
• M89: 67,479,860 km (0.1 R)
• M90: 70,440,401 km (0.087 R)
• M91: 72,772,034 km (0.097 R)
• M92: 73,555,029 km (0.048 R)
• M93: 74,115,871 km (0.077 R)
• M94: 74,453,065 km (0.055 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 238.1

Radius: 4.3

Gravity: 12.88 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 8 AU - 12.42 AU

Year: 20743 Days

Day: 22.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 54,815,619 km

• M1: 67,319 km (0.047 R)
• M2: 100,231 km (0.104 R)
• M3: 164,258 km (0.115 R)
• M4: 366,964 km (0.112 R)
• M5: 702,811 km (0.09 R)
• M6: 779,255 km (0.119 R)
• M7: 2,078,662 km (0.094 R)
• M8: 2,473,601 km (0.102 R)
• M9: 2,739,735 km (0.054 R)
• M10: 3,171,475 km (0.118 R)
• M11: 3,624,158 km (0.064 R)
• M12: 3,657,219 km (0.119 R)
• M13: 3,790,810 km (0.105 R)
• M14: 5,820,255 km (0.077 R)
• M15: 6,172,857 km (0.11 R)
• M16: 7,105,151 km (0.057 R)
• M17: 9,597,152 km (0.043 R)
• M18: 10,013,034 km (0.109 R)
• M19: 10,152,908 km (0.113 R)
• M20: 11,150,576 km (0.088 R)
• M21: 11,783,675 km (0.082 R)
• M22: 12,578,787 km (0.025 R)
• M23: 13,237,467 km (0.054 R)
• M24: 14,115,606 km (0.104 R)
• M25: 14,272,534 km (0.097 R)
• M26: 16,200,253 km (0.079 R)
• M27: 16,474,466 km (0.052 R)
• M28: 17,361,880 km (0.047 R)
• M29: 18,378,697 km (0.093 R)
• M30: 18,550,136 km (0.107 R)
• M31: 19,414,812 km (0.102 R)
• M32: 20,706,589 km (0.026 R)
• M33: 22,086,480 km (0.109 R)
• M34: 22,147,217 km (0.096 R)
• M35: 22,695,792 km (0.102 R)
• M36: 22,756,978 km (0.077 R)
• M37: 23,619,858 km (0.074 R)
• M38: 24,997,355 km (0.108 R)
• M39: 25,313,904 km (0.059 R)
• M40: 26,852,369 km (0.095 R)
• M41: 27,241,772 km (0.119 R)
• M42: 27,894,767 km (0.117 R)
• M43: 31,372,618 km (0.038 R)
• M44: 31,440,835 km (0.068 R)
• M45: 33,928,947 km (0.109 R)
• M46: 34,560,848 km (0.114 R)
• M47: 34,842,840 km (0.118 R)
• M48: 37,488,030 km (0.117 R)
• M49: 38,068,469 km (0.115 R)
• M50: 38,505,594 km (0.114 R)
• M51: 38,578,748 km (0.08 R)
• M52: 39,679,788 km (0.08 R)
• M53: 40,419,400 km (0.066 R)
• M54: 40,865,501 km (0.119 R)
• M55: 42,213,378 km (0.09 R)
• M56: 45,029,408 km (0.089 R)
• M57: 45,568,858 km (0.049 R)
• M58: 45,800,884 km (0.11 R)
• M59: 46,732,280 km (0.103 R)
• M60: 47,513,331 km (0.104 R)
• M61: 48,692,910 km (0.119 R)
• M62: 48,771,898 km (0.053 R)
• M63: 49,405,295 km (0.113 R)
• M64: 50,200,857 km (0.092 R)
• M65: 50,520,248 km (0.057 R)
• M66: 53,914,474 km (0.071 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 442 - 13,059 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit