🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.41 AU - 0.65 AU

Year: 253 Days

Day: 30 Hours

Environment

Temp: -112 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,245,834 km

• M1: 57,745 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.5

Radius: 11.2

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.57 AU - 0.85 AU

Year: 392 Days

Day: 13.1 Hours

Environment

Temp: -135 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 48,245,834 km

• M1: 156,031 km (0.111 R)
• M2: 251,025 km (0.06 R)
• M3: 419,323 km (0.055 R)
• M4: 489,335 km (0.084 R)
• M5: 568,023 km (0.12 R)
• M6: 644,019 km (0.104 R)
• M7: 740,509 km (0.114 R)
• M8: 855,550 km (0.1 R)
• M9: 936,034 km (0.109 R)
• M10: 1,014,423 km (0.096 R)
• M11: 1,100,143 km (0.025 R)
• M12: 1,479,523 km (0.059 R)
• M13: 1,583,493 km (0.044 R)
• M14: 1,678,638 km (0.085 R)
• M15: 1,787,395 km (0.05 R)
• M16: 1,964,070 km (0.087 R)
• M17: 2,079,111 km (0.099 R)
• M18: 2,202,679 km (0.053 R)
• M19: 2,284,210 km (0.109 R)
• M20: 2,418,399 km (0.078 R)
• M21: 2,496,190 km (0.074 R)
• M22: 2,667,779 km (0.04 R)
• M23: 2,775,489 km (0.092 R)
• M24: 2,953,361 km (0.105 R)
• M25: 3,199,001 km (0.085 R)
• M26: 3,620,867 km (0.114 R)
• M27: 3,702,996 km (0.049 R)
• M28: 3,778,094 km (0.112 R)
• M29: 3,945,195 km (0.082 R)
• M30: 4,068,314 km (0.105 R)
• M31: 4,224,045 km (0.109 R)
• M32: 4,302,584 km (0.105 R)
• M33: 4,453,229 km (0.06 R)
• M34: 4,541,343 km (0.094 R)
• M35: 4,630,054 km (0.104 R)
• M36: 4,702,908 km (0.116 R)
• M37: 4,858,340 km (0.12 R)
• M38: 5,073,612 km (0.103 R)
• M39: 5,149,009 km (0.112 R)
• M40: 5,488,147 km (0.101 R)
• M41: 5,677,838 km (0.116 R)
• M42: 5,799,760 km (0.092 R)
• M43: 5,940,083 km (0.096 R)
• M44: 6,028,345 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.6

Radius: 11.8

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.81 AU - 0.87 AU

Year: 505 Days

Day: 10.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 48,245,834 km

• M1: 151,842 km (0.07 R)
• M2: 295,755 km (0.114 R)
• M3: 373,995 km (0.103 R)
• M4: 496,665 km (0.086 R)
• M5: 586,573 km (0.109 R)
• M6: 739,612 km (0.092 R)
• M7: 832,363 km (0.094 R)
• M8: 1,031,178 km (0.105 R)
• M9: 1,112,260 km (0.074 R)
• M10: 1,338,303 km (0.11 R)
• M11: 1,416,991 km (0.115 R)
• M12: 1,584,989 km (0.107 R)
• M13: 1,841,101 km (0.073 R)
• M14: 2,055,624 km (0.062 R)
• M15: 2,141,344 km (0.106 R)
• M16: 2,272,392 km (0.106 R)
• M17: 2,399,550 km (0.109 R)
• M18: 2,490,206 km (0.109 R)
• M19: 2,648,032 km (0.069 R)
• M20: 2,843,407 km (0.06 R)
• M21: 2,939,598 km (0.075 R)
• M22: 3,050,749 km (0.072 R)
• M23: 3,241,487 km (0.033 R)
• M24: 3,334,836 km (0.118 R)
• M25: 3,436,263 km (0.101 R)
• M26: 3,620,119 km (0.115 R)
• M27: 3,702,099 km (0.075 R)
• M28: 3,822,525 km (0.103 R)
• M29: 3,921,259 km (0.083 R)
• M30: 3,997,853 km (0.081 R)
• M31: 4,074,896 km (0.072 R)
• M32: 4,246,186 km (0.059 R)
• M33: 4,372,297 km (0.034 R)
• M34: 4,539,847 km (0.084 R)
• M35: 4,636,487 km (0.061 R)
• M36: 4,848,317 km (0.065 R)
• M37: 4,947,202 km (0.045 R)
• M38: 5,046,684 km (0.093 R)
• M39: 5,121,782 km (0.117 R)
• M40: 5,197,329 km (0.078 R)
• M41: 5,349,470 km (0.108 R)
• M42: 5,434,591 km (0.101 R)
• M43: 5,588,976 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.9

Radius: 8.6

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.1 AU - 3.36 AU

Year: 2959 Days

Day: 6 Hours

Environment

Temp: -200 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 48,245,834 km

• M1: 123,119 km (0.092 R)
• M2: 195,225 km (0.088 R)
• M3: 252,072 km (0.114 R)
• M4: 370,255 km (0.116 R)
• M5: 471,084 km (0.105 R)
• M6: 525,537 km (0.061 R)
• M7: 590,612 km (0.077 R)
• M8: 658,829 km (0.093 R)
• M9: 775,964 km (0.096 R)
• M10: 851,661 km (0.098 R)
• M11: 930,050 km (0.101 R)
• M12: 1,302,100 km (0.108 R)
• M13: 1,522,458 km (0.083 R)
• M14: 1,582,596 km (0.081 R)
• M15: 1,818,213 km (0.114 R)
• M16: 2,240,677 km (0.113 R)
• M17: 2,337,018 km (0.098 R)
• M18: 2,491,403 km (0.094 R)
• M19: 2,722,083 km (0.083 R)
• M20: 3,065,859 km (0.04 R)
• M21: 3,615,481 km (0.025 R)
• M22: 3,926,645 km (0.115 R)
• M23: 4,435,577 km (0.101 R)
• M24: 4,557,350 km (0.063 R)
• M25: 4,697,822 km (0.081 R)
• M26: 4,839,790 km (0.092 R)
• M27: 4,911,298 km (0.085 R)
• M28: 5,001,206 km (0.026 R)
• M29: 5,109,964 km (0.105 R)
• M30: 5,182,818 km (0.095 R)
• M31: 5,329,574 km (0.06 R)
• M32: 5,496,226 km (0.113 R)
• M33: 5,627,124 km (0.087 R)
• M34: 5,835,065 km (0.071 R)
• M35: 5,892,211 km (0.106 R)
• M36: 6,006,953 km (0.119 R)
• M37: 6,141,890 km (0.062 R)
• M38: 6,375,412 km (0.092 R)
• M39: 6,434,354 km (0.098 R)
• M40: 6,851,433 km (0.075 R)
• M41: 7,175,163 km (0.028 R)
• M42: 7,441,746 km (0.112 R)
• M43: 7,566,062 km (0.085 R)
• M44: 7,690,827 km (0.107 R)
• M45: 7,879,469 km (0.091 R)
• M46: 7,963,843 km (0.05 R)
• M47: 8,325,570 km (0.08 R)
• M48: 8,433,131 km (0.057 R)
• M49: 8,955,228 km (0.112 R)
• M50: 9,264,596 km (0.079 R)
• M51: 9,375,897 km (0.03 R)
• M52: 9,442,917 km (0.059 R)
• M53: 9,780,559 km (0.08 R)
• M54: 9,939,432 km (0.101 R)
• M55: 10,213,795 km (0.08 R)
• M56: 10,676,650 km (0.089 R)
• M57: 10,934,108 km (0.11 R)
• M58: 11,099,115 km (0.109 R)
• M59: 11,288,655 km (0.09 R)
• M60: 11,407,586 km (0.056 R)
• M61: 11,719,048 km (0.05 R)
• M62: 11,887,795 km (0.053 R)
• M63: 12,154,677 km (0.111 R)
• M64: 12,521,940 km (0.096 R)
• M65: 12,942,460 km (0.101 R)
• M66: 13,017,109 km (0.118 R)
• M67: 13,443,164 km (0.104 R)
• M68: 13,822,843 km (0.073 R)
• M69: 14,129,070 km (0.116 R)
• M70: 14,308,887 km (0.089 R)
• M71: 14,722,525 km (0.096 R)
• M72: 14,878,555 km (0.114 R)
• M73: 15,113,873 km (0.096 R)
• M74: 15,403,046 km (0.086 R)
• M75: 15,482,183 km (0.046 R)
• M76: 15,561,470 km (0.096 R)
• M77: 15,694,013 km (0.072 R)
• M78: 15,933,520 km (0.099 R)
• M79: 16,362,118 km (0.099 R)
• M80: 16,442,900 km (0.085 R)
• M81: 16,713,224 km (0.087 R)
• M82: 18,449,756 km (0.105 R)
• M83: 18,758,825 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 473.4

Radius: 4.8

Gravity: 20.55 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 6.11 AU - 6.83 AU

Year: 10796 Days

Day: 18.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 48,245,834 km

• M1: 80,334 km (0.086 R)
• M2: 111,151 km (0.115 R)
• M3: 302,786 km (0.078 R)
• M4: 351,405 km (0.067 R)
• M5: 470,784 km (0.028 R)
• M6: 557,701 km (0.116 R)
• M7: 992,881 km (0.078 R)
• M8: 1,242,261 km (0.074 R)
• M9: 1,510,639 km (0.114 R)
• M10: 1,842,148 km (0.114 R)
• M11: 1,934,300 km (0.099 R)
• M12: 2,099,307 km (0.05 R)
• M13: 2,244,417 km (0.062 R)
• M14: 2,417,801 km (0.11 R)
• M15: 2,621,403 km (0.058 R)
• M16: 2,830,392 km (0.115 R)
• M17: 3,181,498 km (0.092 R)
• M18: 3,719,302 km (0.046 R)
• M19: 3,777,496 km (0.086 R)
• M20: 3,983,791 km (0.084 R)
• M21: 4,315,300 km (0.118 R)
• M22: 4,561,987 km (0.075 R)
• M23: 5,036,811 km (0.044 R)
• M24: 5,627,124 km (0.08 R)
• M25: 5,828,632 km (0.055 R)
• M26: 6,032,684 km (0.092 R)
• M27: 6,066,942 km (0.086 R)
• M28: 6,552,985 km (0.066 R)
• M29: 6,871,928 km (0.089 R)
• M30: 7,488,271 km (0.032 R)
• M31: 7,635,924 km (0.106 R)
• M32: 8,159,965 km (0.112 R)
• M33: 8,349,955 km (0.113 R)
• M34: 8,426,399 km (0.114 R)
• M35: 8,464,696 km (0.108 R)
• M36: 8,579,887 km (0.114 R)
• M37: 9,361,236 km (0.09 R)
• M38: 9,440,673 km (0.095 R)
• M39: 10,043,103 km (0.084 R)
• M40: 11,795,194 km (0.087 R)
• M41: 11,923,997 km (0.102 R)
• M42: 12,182,802 km (0.114 R)
• M43: 12,838,040 km (0.119 R)
• M44: 13,147,708 km (0.066 R)
• M45: 13,819,552 km (0.039 R)
• M46: 14,046,043 km (0.059 R)
• M47: 16,424,799 km (0.055 R)
• M48: 18,226,855 km (0.051 R)
• M49: 18,475,038 km (0.095 R)
• M50: 19,226,618 km (0.088 R)
• M51: 19,631,579 km (0.073 R)
• M52: 19,682,442 km (0.077 R)
• M53: 19,733,306 km (0.099 R)
• M54: 21,279,250 km (0.115 R)
• M55: 22,172,499 km (0.06 R)
• M56: 22,384,329 km (0.06 R)
• M57: 23,024,309 km (0.077 R)
• M58: 23,077,865 km (0.04 R)
• M59: 23,400,249 km (0.101 R)
• M60: 23,562,113 km (0.116 R)
• M61: 24,267,318 km (0.056 R)
• M62: 24,595,236 km (0.106 R)
• M63: 25,476,667 km (0.114 R)
• M64: 25,587,669 km (0.055 R)
• M65: 25,809,971 km (0.066 R)
• M66: 26,032,872 km (0.079 R)
• M67: 26,592,966 km (0.118 R)
• M68: 26,818,111 km (0.116 R)
• M69: 27,668,276 km (0.081 R)
• M70: 28,527,117 km (0.108 R)
• M71: 28,699,903 km (0.047 R)
• M72: 29,685,753 km (0.101 R)
• M73: 31,096,311 km (0.109 R)
• M74: 32,048,801 km (0.1 R)
• M75: 32,108,789 km (0.045 R)
• M76: 32,468,572 km (0.042 R)
• M77: 32,890,139 km (0.079 R)
• M78: 34,104,575 km (0.09 R)
• M79: 34,226,796 km (0.096 R)
• M80: 34,778,663 km (0.084 R)
• M81: 35,829,139 km (0.107 R)
• M82: 35,891,222 km (0.108 R)
• M83: 35,953,455 km (0.098 R)
• M84: 36,514,447 km (0.106 R)
• M85: 37,518,847 km (0.094 R)
• M86: 38,087,917 km (0.033 R)
• M87: 38,851,016 km (0.085 R)
• M88: 38,914,745 km (0.11 R)
• M89: 39,362,491 km (0.111 R)
• M90: 40,650,977 km (0.102 R)
• M91: 40,845,455 km (0.1 R)
• M92: 42,741,308 km (0.077 R)
• M93: 43,203,267 km (0.104 R)
• M94: 44,265,112 km (0.054 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 708.4

Radius: 7.1

Gravity: 14.05 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 5.81 AU - 9.11 AU

Year: 13366 Days

Day: 23 Hours

Environment

Temp: -229 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 48,245,834 km

• M1: 306,676 km (0.086 R)
• M2: 440,416 km (0.054 R)
• M3: 612,005 km (0.079 R)
• M4: 744,848 km (0.056 R)
• M5: 825,331 km (0.099 R)
• M6: 973,134 km (0.108 R)
• M7: 2,029,744 km (0.063 R)
• M8: 2,086,442 km (0.097 R)
• M9: 2,438,595 km (0.043 R)
• M10: 2,499,182 km (0.081 R)
• M11: 2,621,703 km (0.11 R)
• M12: 2,715,052 km (0.108 R)
• M13: 3,846,909 km (0.071 R)
• M14: 4,168,545 km (0.03 R)
• M15: 4,990,735 km (0.057 R)
• M16: 5,067,927 km (0.092 R)
• M17: 5,740,070 km (0.093 R)
• M18: 6,025,054 km (0.034 R)
• M19: 6,107,333 km (0.093 R)
• M20: 6,231,350 km (0.119 R)
• M21: 6,778,728 km (0.069 R)
• M22: 7,210,318 km (0.119 R)
• M23: 7,739,895 km (0.104 R)
• M24: 10,719,435 km (0.102 R)
• M25: 11,373,777 km (0.083 R)
• M26: 11,424,640 km (0.09 R)
• M27: 12,248,924 km (0.094 R)
• M28: 12,405,703 km (0.057 R)
• M29: 12,458,062 km (0.095 R)
• M30: 12,773,863 km (0.117 R)
• M31: 13,467,100 km (0.12 R)
• M32: 14,172,603 km (0.111 R)
• M33: 14,890,074 km (0.045 R)
• M34: 15,281,273 km (0.109 R)
• M35: 15,789,307 km (0.1 R)
• M36: 16,821,832 km (0.116 R)
• M37: 16,995,964 km (0.034 R)
• M38: 17,816,957 km (0.089 R)
• M39: 17,994,529 km (0.042 R)
• M40: 18,470,849 km (0.119 R)
• M41: 18,830,931 km (0.096 R)
• M42: 19,802,420 km (0.111 R)
• M43: 20,109,245 km (0.087 R)
• M44: 20,355,932 km (0.113 R)
• M45: 22,301,303 km (0.083 R)
• M46: 23,005,759 km (0.087 R)
• M47: 23,978,145 km (0.078 R)
• M48: 25,361,925 km (0.086 R)
• M49: 25,828,970 km (0.099 R)
• M50: 29,037,246 km (0.108 R)
• M51: 30,652,454 km (0.062 R)
• M52: 30,936,241 km (0.1 R)
• M53: 31,363,792 km (0.103 R)
• M54: 31,721,480 km (0.079 R)
• M55: 33,165,698 km (0.103 R)
• M56: 33,238,552 km (0.101 R)
• M57: 33,384,261 km (0.092 R)
• M58: 33,603,272 km (0.109 R)
• M59: 33,822,732 km (0.079 R)
• M60: 33,969,188 km (0.091 R)
• M61: 35,075,166 km (0.081 R)
• M62: 36,869,143 km (0.083 R)
• M63: 37,322,275 km (0.119 R)
• M64: 37,777,352 km (0.109 R)
• M65: 38,846,079 km (0.087 R)
• M66: 39,230,246 km (0.094 R)
• M67: 39,461,375 km (0.119 R)
• M68: 39,847,487 km (0.077 R)
• M69: 40,390,079 km (0.06 R)
• M70: 41,326,113 km (0.083 R)
• M71: 42,190,489 km (0.105 R)
• M72: 44,337,069 km (0.095 R)
• M73: 45,383,207 km (0.086 R)
• M74: 45,463,990 km (0.107 R)
• M75: 46,112,197 km (0.059 R)
• M76: 46,926,758 km (0.096 R)
• M77: 47,581,847 km (0.1 R)
• M78: 47,828,384 km (0.112 R)
• M79: 48,404,934 km (0.098 R)
• M80: 48,818,273 km (0.055 R)
• M81: 48,901,150 km (0.066 R)
• M82: 49,981,845 km (0.092 R)
• M83: 50,483,297 km (0.111 R)
• M84: 51,154,393 km (0.072 R)
• M85: 53,697,557 km (0.073 R)
• M86: 53,868,548 km (0.069 R)
• M87: 53,954,118 km (0.068 R)
• M88: 54,812,361 km (0.113 R)
• M89: 55,070,716 km (0.087 R)
• M90: 55,156,885 km (0.049 R)
• M91: 55,588,474 km (0.089 R)
• M92: 56,716,143 km (0.087 R)
• M93: 58,465,690 km (0.043 R)
• M94: 58,729,581 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.8

Radius: 3.7

Gravity: 11.89 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 8.99 AU - 10.99 AU

Year: 20714 Days

Day: 16.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (64)

Outer Limit: 48,245,834 km

• M1: 134,488 km (0.119 R)
• M2: 162,463 km (0.105 R)
• M3: 506,090 km (0.109 R)
• M4: 552,914 km (0.054 R)
• M5: 957,875 km (0.03 R)
• M6: 1,639,293 km (0.06 R)
• M7: 1,733,091 km (0.05 R)
• M8: 1,804,450 km (0.106 R)
• M9: 1,925,773 km (0.099 R)
• M10: 2,679,896 km (0.113 R)
• M11: 2,762,624 km (0.095 R)
• M12: 3,276,493 km (0.05 R)
• M13: 3,850,350 km (0.102 R)
• M14: 4,164,655 km (0.07 R)
• M15: 5,190,298 km (0.045 R)
• M16: 5,748,597 km (0.062 R)
• M17: 6,959,143 km (0.071 R)
• M18: 7,573,392 km (0.084 R)
• M19: 8,124,960 km (0.078 R)
• M20: 9,391,754 km (0.101 R)
• M21: 10,718,538 km (0.046 R)
• M22: 12,978,662 km (0.1 R)
• M23: 14,306,044 km (0.076 R)
• M24: 14,985,817 km (0.118 R)
• M25: 15,132,872 km (0.071 R)
• M26: 15,825,211 km (0.084 R)
• M27: 15,924,993 km (0.059 R)
• M28: 17,704,310 km (0.075 R)
• M29: 18,801,909 km (0.066 R)
• M30: 19,921,200 km (0.071 R)
• M31: 19,975,056 km (0.085 R)
• M32: 20,843,023 km (0.117 R)
• M33: 21,502,001 km (0.095 R)
• M34: 23,235,840 km (0.05 R)
• M35: 25,890,155 km (0.069 R)
• M36: 27,073,624 km (0.092 R)
• M37: 27,252,693 km (0.076 R)
• M38: 27,792,292 km (0.075 R)
• M39: 29,064,772 km (0.066 R)
• M40: 29,431,885 km (0.08 R)
• M41: 30,977,829 km (0.033 R)
• M42: 31,040,212 km (0.059 R)
• M43: 32,044,014 km (0.118 R)
• M44: 32,676,812 km (0.103 R)
• M45: 33,058,437 km (0.119 R)
• M46: 33,441,557 km (0.092 R)
• M47: 34,212,135 km (0.062 R)
• M48: 34,793,922 km (0.108 R)
• M49: 35,248,699 km (0.067 R)
• M50: 36,033,041 km (0.086 R)
• M51: 38,018,504 km (0.11 R)
• M52: 39,496,979 km (0.068 R)
• M53: 40,447,524 km (0.072 R)
• M54: 40,720,540 km (0.09 R)
• M55: 40,857,273 km (0.061 R)
• M56: 40,925,639 km (0.097 R)
• M57: 40,994,155 km (0.073 R)
• M58: 43,973,546 km (0.073 R)
• M59: 44,113,869 km (0.116 R)
• M60: 44,184,030 km (0.07 R)
• M61: 46,735,572 km (0.109 R)
• M62: 47,884,782 km (0.112 R)
• M63: 48,173,506 km (0.114 R)
• M64: 48,245,762 km (0.119 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 16,454 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit