🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.54 AU - 0.7 AU

Year: 176 Days

Day: 33.1 Hours

Environment

Temp: 169 °C

Axial Tilt: 37.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 61,627,726 km

• M1: 251,624 km (0.099 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.76 AU - 0.84 AU

Year: 258 Days

Day: 43.9 Hours

Environment

Temp: 130 °C

Axial Tilt: 5.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.37 AU - 1.67 AU

Year: 674 Days

Day: 40.2 Hours

Environment

Temp: -33 °C

Axial Tilt: 14.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.05 AU - 3.09 AU

Year: 1483 Days

Day: 21 Hours

Environment

Temp: -93 °C

Axial Tilt: 43.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.2

Radius: 12.6

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 6.82 AU - 7.68 AU

Year: 7026 Days

Day: 11.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 61,627,726 km

• M1: 207,492 km (0.078 R)
• M2: 291,417 km (0.118 R)
• M3: 377,884 km (0.035 R)
• M4: 696,228 km (0.06 R)
• M5: 841,638 km (0.043 R)
• M6: 1,217,128 km (0.118 R)
• M7: 1,341,743 km (0.048 R)
• M8: 1,884,335 km (0.035 R)
• M9: 1,967,212 km (0.067 R)
• M10: 2,158,548 km (0.071 R)
• M11: 2,267,455 km (0.089 R)
• M12: 3,106,549 km (0.095 R)
• M13: 3,305,365 km (0.104 R)
• M14: 3,508,519 km (0.111 R)
• M15: 3,689,682 km (0.086 R)
• M16: 3,927,243 km (0.073 R)
• M17: 4,061,433 km (0.108 R)
• M18: 4,224,494 km (0.117 R)
• M19: 4,306,773 km (0.074 R)
• M20: 4,669,997 km (0.107 R)
• M21: 5,101,437 km (0.085 R)
• M22: 5,336,904 km (0.112 R)
• M23: 6,126,930 km (0.103 R)
• M24: 6,220,429 km (0.071 R)
• M25: 6,759,430 km (0.117 R)
• M26: 6,953,309 km (0.104 R)
• M27: 7,612,886 km (0.117 R)
• M28: 7,781,034 km (0.097 R)
• M29: 8,258,102 km (0.119 R)
• M30: 8,430,887 km (0.096 R)
• M31: 10,112,666 km (0.074 R)
• M32: 11,739,543 km (0.112 R)
• M33: 12,090,350 km (0.109 R)
• M34: 12,405,104 km (0.093 R)
• M35: 13,042,690 km (0.12 R)
• M36: 13,568,527 km (0.067 R)
• M37: 13,650,058 km (0.085 R)
• M38: 14,018,966 km (0.061 R)
• M39: 14,516,080 km (0.102 R)
• M40: 15,570,146 km (0.069 R)
• M41: 15,655,417 km (0.111 R)
• M42: 15,912,576 km (0.081 R)
• M43: 15,998,595 km (0.096 R)
• M44: 16,084,763 km (0.091 R)
• M45: 16,387,699 km (0.058 R)
• M46: 16,561,531 km (0.054 R)
• M47: 16,736,112 km (0.108 R)
• M48: 17,351,707 km (0.039 R)
• M49: 18,064,392 km (0.098 R)
• M50: 18,424,324 km (0.092 R)
• M51: 18,741,172 km (0.103 R)
• M52: 19,014,338 km (0.032 R)
• M53: 20,119,866 km (0.08 R)
• M54: 20,868,305 km (0.092 R)
• M55: 21,530,874 km (0.106 R)
• M56: 22,008,240 km (0.116 R)
• M57: 22,828,037 km (0.059 R)
• M58: 23,314,828 km (0.088 R)
• M59: 23,510,502 km (0.086 R)
• M60: 23,755,992 km (0.059 R)
• M61: 25,396,782 km (0.051 R)
• M62: 25,699,119 km (0.065 R)
• M63: 25,800,098 km (0.112 R)
• M64: 27,022,761 km (0.039 R)
• M65: 27,641,199 km (0.115 R)
• M66: 27,744,720 km (0.038 R)
• M67: 27,848,242 km (0.078 R)
• M68: 28,003,973 km (0.086 R)
• M69: 28,264,124 km (0.117 R)
• M70: 30,267,688 km (0.113 R)
• M71: 30,748,795 km (0.037 R)
• M72: 33,412,834 km (0.115 R)
• M73: 33,578,289 km (0.097 R)
• M74: 33,799,395 km (0.101 R)
• M75: 34,856,304 km (0.057 R)
• M76: 34,968,053 km (0.09 R)
• M77: 35,360,598 km (0.06 R)
• M78: 35,473,096 km (0.066 R)
• M79: 36,490,062 km (0.06 R)
• M80: 37,116,429 km (0.103 R)
• M81: 37,918,572 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.3

Radius: 13.8

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 8.73 AU - 10.55 AU

Year: 10772 Days

Day: 11 Hours

Environment

Temp: -178 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 61,627,726 km

• M1: 172,935 km (0.093 R)
• M2: 320,887 km (0.107 R)
• M3: 439,967 km (0.116 R)
• M4: 526,884 km (0.079 R)
• M5: 913,893 km (0.108 R)
• M6: 1,050,626 km (0.109 R)
• M7: 1,232,238 km (0.109 R)
• M8: 1,464,563 km (0.106 R)
• M9: 1,950,756 km (0.115 R)
• M10: 2,732,854 km (0.078 R)
• M11: 2,884,995 km (0.11 R)
• M12: 3,144,996 km (0.09 R)
• M13: 3,412,776 km (0.086 R)
• M14: 3,521,983 km (0.096 R)
• M15: 3,856,932 km (0.082 R)
• M16: 4,557,798 km (0.115 R)
• M17: 4,800,296 km (0.109 R)
• M18: 5,172,197 km (0.116 R)
• M19: 5,457,330 km (0.104 R)
• M20: 5,553,522 km (0.06 R)
• M21: 6,580,661 km (0.11 R)
• M22: 6,820,765 km (0.081 R)
• M23: 8,028,020 km (0.081 R)
• M24: 10,276,177 km (0.069 R)
• M25: 10,756,087 km (0.111 R)
• M26: 11,120,807 km (0.048 R)
• M27: 11,613,432 km (0.087 R)
• M28: 12,029,464 km (0.093 R)
• M29: 12,577,591 km (0.072 R)
• M30: 13,393,647 km (0.114 R)
• M31: 13,873,856 km (0.07 R)
• M32: 14,941,237 km (0.1 R)
• M33: 15,621,758 km (0.115 R)
• M34: 15,713,312 km (0.102 R)
• M35: 15,988,871 km (0.099 R)
• M36: 17,107,414 km (0.12 R)
• M37: 17,248,934 km (0.118 R)
• M38: 19,076,122 km (0.091 R)
• M39: 20,111,938 km (0.106 R)
• M40: 20,311,352 km (0.058 R)
• M41: 21,065,026 km (0.101 R)
• M42: 21,521,598 km (0.091 R)
• M43: 22,135,548 km (0.117 R)
• M44: 22,496,229 km (0.092 R)
• M45: 23,171,364 km (0.115 R)
• M46: 24,915,077 km (0.036 R)
• M47: 25,129,301 km (0.062 R)
• M48: 25,721,708 km (0.052 R)
• M49: 25,992,331 km (0.118 R)
• M50: 26,209,697 km (0.081 R)
• M51: 26,318,604 km (0.074 R)
• M52: 27,803,063 km (0.089 R)
• M53: 28,976,360 km (0.082 R)
• M54: 29,767,583 km (0.113 R)
• M55: 30,051,819 km (0.088 R)
• M56: 31,025,252 km (0.106 R)
• M57: 31,255,782 km (0.092 R)
• M58: 31,371,272 km (0.053 R)
• M59: 31,660,594 km (0.074 R)
• M60: 31,776,533 km (0.1 R)
• M61: 32,009,008 km (0.093 R)
• M62: 32,944,144 km (0.108 R)
• M63: 34,125,817 km (0.105 R)
• M64: 34,721,815 km (0.078 R)
• M65: 37,876,236 km (0.11 R)
• M66: 38,122,773 km (0.116 R)
• M67: 38,803,144 km (0.059 R)
• M68: 39,550,087 km (0.083 R)
• M69: 40,176,154 km (0.081 R)
• M70: 40,490,309 km (0.055 R)
• M71: 40,931,623 km (0.119 R)
• M72: 41,184,593 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.1

Radius: 11.3

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 10.71 AU - 11.41 AU

Year: 13237 Days

Day: 13.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 61,627,726 km

• M1: 244,892 km (0.049 R)
• M2: 360,232 km (0.112 R)
• M3: 588,817 km (0.071 R)
• M4: 1,136,645 km (0.052 R)
• M5: 1,307,186 km (0.032 R)
• M6: 1,408,464 km (0.05 R)
• M7: 3,161,452 km (0.031 R)
• M8: 4,209,684 km (0.081 R)
• M9: 4,910,849 km (0.101 R)
• M10: 5,439,827 km (0.083 R)
• M11: 5,648,217 km (0.119 R)
• M12: 6,115,860 km (0.081 R)
• M13: 6,202,328 km (0.068 R)
• M14: 8,203,947 km (0.04 R)
• M15: 8,395,283 km (0.108 R)
• M16: 8,587,965 km (0.065 R)
• M17: 9,373,503 km (0.085 R)
• M18: 9,473,285 km (0.108 R)
• M19: 9,825,439 km (0.09 R)
• M20: 10,490,850 km (0.091 R)
• M21: 11,117,964 km (0.095 R)
• M22: 11,382,902 km (0.077 R)
• M23: 11,757,345 km (0.077 R)
• M24: 12,573,402 km (0.071 R)
• M25: 13,576,605 km (0.052 R)
• M26: 14,954,102 km (0.108 R)
• M27: 15,837,478 km (0.096 R)
• M28: 17,469,890 km (0.079 R)
• M29: 19,218,689 km (0.077 R)
• M30: 19,664,640 km (0.097 R)
• M31: 19,985,228 km (0.098 R)
• M32: 20,631,491 km (0.106 R)
• M33: 21,284,785 km (0.116 R)
• M34: 21,482,105 km (0.09 R)
• M35: 22,880,097 km (0.106 R)
• M36: 23,488,362 km (0.051 R)
• M37: 23,692,264 km (0.045 R)
• M38: 23,828,547 km (0.113 R)
• M39: 24,444,890 km (0.033 R)
• M40: 25,066,619 km (0.076 R)
• M41: 26,466,855 km (0.108 R)
• M42: 27,820,417 km (0.109 R)
• M43: 28,108,243 km (0.115 R)
• M44: 30,298,206 km (0.087 R)
• M45: 30,817,161 km (0.099 R)
• M46: 31,488,557 km (0.059 R)
• M47: 31,938,996 km (0.04 R)
• M48: 32,997,999 km (0.072 R)
• M49: 33,761,547 km (0.082 R)
• M50: 33,914,884 km (0.046 R)
• M51: 34,145,415 km (0.074 R)
• M52: 34,299,501 km (0.082 R)
• M53: 35,383,786 km (0.05 R)
• M54: 35,773,788 km (0.109 R)
• M55: 37,586,166 km (0.062 R)
• M56: 38,543,592 km (0.089 R)
• M57: 38,864,480 km (0.063 R)
• M58: 39,670,663 km (0.114 R)
• M59: 39,913,609 km (0.119 R)
• M60: 40,808,504 km (0.111 R)
• M61: 41,217,505 km (0.091 R)
• M62: 41,463,593 km (0.044 R)
• M63: 42,867,120 km (0.091 R)
• M64: 43,199,527 km (0.095 R)
• M65: 43,783,557 km (0.071 R)
• M66: 44,034,582 km (0.053 R)
• M67: 44,118,357 km (0.116 R)
• M68: 45,635,728 km (0.111 R)
• M69: 45,720,550 km (0.108 R)
• M70: 45,890,344 km (0.103 R)
• M71: 46,315,650 km (0.083 R)
• M72: 46,400,772 km (0.116 R)
• M73: 47,170,153 km (0.104 R)
• M74: 49,068,401 km (0.065 R)
• M75: 49,503,431 km (0.117 R)
• M76: 52,228,207 km (0.049 R)
• M77: 52,583,352 km (0.039 R)
• M78: 52,672,363 km (0.094 R)
• M79: 53,474,806 km (0.065 R)
• M80: 55,725,057 km (0.111 R)
• M81: 56,178,788 km (0.071 R)
• M82: 56,360,549 km (0.098 R)
• M83: 57,089,988 km (0.104 R)
• M84: 57,181,243 km (0.104 R)
• M85: 57,272,797 km (0.09 R)
• M86: 57,730,716 km (0.108 R)
• M87: 58,097,829 km (0.101 R)
• M88: 59,204,105 km (0.084 R)
• M89: 59,759,861 km (0.116 R)
• M90: 59,945,512 km (0.095 R)
• M91: 60,503,512 km (0.116 R)
• M92: 60,596,712 km (0.085 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.8

Radius: 9.8

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 9.39 AU - 14.51 AU

Year: 14867 Days

Day: 7.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 61,627,726 km

• M1: 180,714 km (0.096 R)
• M2: 701,764 km (0.12 R)
• M3: 798,703 km (0.106 R)
• M4: 1,051,224 km (0.062 R)
• M5: 1,141,133 km (0.07 R)
• M6: 1,869,973 km (0.061 R)
• M7: 2,207,765 km (0.063 R)
• M8: 2,473,900 km (0.077 R)
• M9: 3,102,061 km (0.07 R)
• M10: 3,366,850 km (0.117 R)
• M11: 3,434,169 km (0.09 R)
• M12: 3,847,956 km (0.098 R)
• M13: 4,277,602 km (0.105 R)
• M14: 4,610,008 km (0.031 R)
• M15: 4,684,957 km (0.114 R)
• M16: 4,836,350 km (0.086 R)
• M17: 5,066,281 km (0.115 R)
• M18: 5,339,148 km (0.08 R)
• M19: 5,696,986 km (0.088 R)
• M20: 6,062,753 km (0.097 R)
• M21: 6,902,745 km (0.083 R)
• M22: 7,161,848 km (0.113 R)
• M23: 7,336,280 km (0.11 R)
• M24: 7,556,488 km (0.074 R)
• M25: 8,048,515 km (0.086 R)
• M26: 9,442,767 km (0.048 R)
• M27: 10,760,425 km (0.054 R)
• M28: 11,111,382 km (0.111 R)
• M29: 11,466,228 km (0.11 R)
• M30: 11,824,664 km (0.116 R)
• M31: 12,657,925 km (0.101 R)
• M32: 13,671,899 km (0.106 R)
• M33: 13,997,574 km (0.088 R)
• M34: 14,435,746 km (0.094 R)
• M35: 15,101,307 km (0.05 R)
• M36: 15,325,554 km (0.11 R)
• M37: 15,550,699 km (0.114 R)
• M38: 15,947,582 km (0.119 R)
• M39: 16,983,248 km (0.089 R)
• M40: 17,509,234 km (0.111 R)
• M41: 17,981,215 km (0.112 R)
• M42: 18,397,696 km (0.056 R)
• M43: 18,517,224 km (0.087 R)
• M44: 18,877,606 km (0.091 R)
• M45: 19,605,100 km (0.112 R)
• M46: 19,666,136 km (0.078 R)
• M47: 19,972,363 km (0.096 R)
• M48: 20,713,620 km (0.095 R)
• M49: 21,969,046 km (0.108 R)
• M50: 23,313,482 km (0.076 R)
• M51: 24,552,900 km (0.085 R)
• M52: 26,823,646 km (0.106 R)
• M53: 28,052,742 km (0.071 R)
• M54: 28,951,826 km (0.053 R)
• M55: 29,230,377 km (0.06 R)
• M56: 29,509,826 km (0.07 R)
• M57: 30,282,798 km (0.109 R)
• M58: 30,565,538 km (0.104 R)
• M59: 31,347,635 km (0.077 R)
• M60: 33,076,837 km (0.092 R)
• M61: 33,149,542 km (0.066 R)
• M62: 34,246,842 km (0.109 R)
• M63: 34,689,053 km (0.101 R)
• M64: 37,685,200 km (0.098 R)
• M65: 37,761,195 km (0.091 R)
• M66: 39,137,197 km (0.074 R)
• M67: 39,291,133 km (0.077 R)
• M68: 41,859,429 km (0.058 R)
• M69: 41,938,117 km (0.063 R)
• M70: 42,411,296 km (0.053 R)
• M71: 43,124,279 km (0.119 R)
• M72: 46,747,988 km (0.077 R)
• M73: 48,389,675 km (0.088 R)
• M74: 48,554,831 km (0.089 R)
• M75: 52,321,406 km (0.12 R)
• M76: 54,110,896 km (0.058 R)
• M77: 54,282,485 km (0.119 R)
• M78: 55,660,880 km (0.101 R)
• M79: 57,225,225 km (0.089 R)
• M80: 58,188,336 km (0.089 R)

Planet 9 - Gas Giant

Semi-Major Axis: 12.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.5

Radius: 11.9

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 9.38 AU - 15.63 AU

Year: 15905 Days

Day: 6.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 61,627,726 km

• M1: 260,899 km (0.031 R)
• M2: 335,099 km (0.098 R)
• M3: 420,819 km (0.12 R)
• M4: 499,956 km (0.072 R)
• M5: 940,971 km (0.081 R)
• M6: 1,436,140 km (0.102 R)
• M7: 1,863,541 km (0.052 R)
• M8: 2,514,441 km (0.088 R)
• M9: 2,640,103 km (0.055 R)
• M10: 2,930,473 km (0.093 R)
• M11: 3,197,505 km (0.093 R)
• M12: 3,334,088 km (0.104 R)
• M13: 3,972,571 km (0.059 R)
• M14: 4,921,471 km (0.095 R)
• M15: 5,320,299 km (0.107 R)
• M16: 6,885,242 km (0.103 R)
• M17: 7,196,555 km (0.048 R)
• M18: 7,557,984 km (0.077 R)
• M19: 7,649,238 km (0.069 R)
• M20: 8,251,669 km (0.062 R)
• M21: 8,487,435 km (0.067 R)
• M22: 8,821,338 km (0.069 R)
• M23: 9,062,489 km (0.096 R)
• M24: 9,749,293 km (0.112 R)
• M25: 10,810,840 km (0.064 R)
• M26: 12,068,659 km (0.112 R)
• M27: 12,606,313 km (0.12 R)
• M28: 14,322,650 km (0.063 R)
• M29: 14,663,284 km (0.048 R)
• M30: 14,891,870 km (0.086 R)
• M31: 15,179,247 km (0.096 R)
• M32: 16,822,430 km (0.105 R)
• M33: 18,030,583 km (0.081 R)
• M34: 19,017,031 km (0.093 R)
• M35: 19,516,837 km (0.042 R)
• M36: 20,785,278 km (0.12 R)
• M37: 21,106,614 km (0.061 R)
• M38: 21,235,567 km (0.094 R)
• M39: 21,624,073 km (0.049 R)
• M40: 21,819,149 km (0.111 R)
• M41: 22,671,557 km (0.094 R)
• M42: 22,803,652 km (0.116 R)
• M43: 23,534,737 km (0.072 R)
• M44: 23,936,856 km (0.101 R)
• M45: 24,206,132 km (0.062 R)
• M46: 24,408,837 km (0.11 R)
• M47: 24,611,991 km (0.097 R)
• M48: 27,797,678 km (0.073 R)
• M49: 29,150,791 km (0.098 R)
• M50: 32,738,746 km (0.119 R)
• M51: 33,563,180 km (0.081 R)
• M52: 35,232,393 km (0.068 R)
• M53: 35,385,581 km (0.116 R)
• M54: 36,077,172 km (0.052 R)
• M55: 38,100,334 km (0.09 R)
• M56: 39,681,583 km (0.053 R)
• M57: 40,640,655 km (0.053 R)
• M58: 41,284,225 km (0.03 R)
• M59: 42,418,626 km (0.028 R)
• M60: 42,500,007 km (0.116 R)
• M61: 44,469,613 km (0.114 R)
• M62: 44,966,726 km (0.071 R)
• M63: 45,799,239 km (0.105 R)
• M64: 45,882,714 km (0.084 R)
• M65: 46,973,283 km (0.103 R)
• M66: 47,057,656 km (0.115 R)
• M67: 47,479,522 km (0.074 R)
• M68: 47,902,734 km (0.084 R)
• M69: 49,694,019 km (0.048 R)
• M70: 51,593,912 km (0.103 R)
• M71: 51,942,026 km (0.075 R)
• M72: 54,931,291 km (0.094 R)
• M73: 56,805,453 km (0.094 R)
• M74: 57,344,753 km (0.114 R)
• M75: 59,883,878 km (0.034 R)

Kuiper Belt

Range: 30.5 - 50.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 12,113 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit