🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.84 AU - 1.26 AU

Year: 414 Days

Day: 35.4 Hours

Environment

Temp: -9 °C

Axial Tilt: 143.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.03 AU - 1.71 AU

Year: 617 Days

Day: 32.4 Hours

Environment

Temp: -51 °C

Axial Tilt: 33 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.85 AU - 2.65 AU

Year: 1299 Days

Day: 36.9 Hours

Environment

Temp: -86 °C

Axial Tilt: 23.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.75 AU - 3.83 AU

Year: 2298 Days

Day: 29.7 Hours

Environment

Temp: -119 °C

Axial Tilt: 43.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 79,350,425 km

• M1: 511,326 km (0.08 R)

Asteroid Belt

Center: 3.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.01 AU - 4.83 AU

Year: 2988 Days

Day: 43.5 Hours

Environment

Temp: -130 °C

Axial Tilt: 17.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 79,350,425 km

• M1: 31,116 km (0.107 R)
• M2: 2,928,229 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.3

Radius: 14.6

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.06 AU - 5.06 AU

Year: 3150 Days

Day: 9.1 Hours

Environment

Temp: -136 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 79,350,425 km

• M1: 184,155 km (0.116 R)
• M2: 311,014 km (0.063 R)
• M3: 623,973 km (0.119 R)
• M4: 735,124 km (0.104 R)
• M5: 938,128 km (0.069 R)
• M6: 1,042,697 km (0.051 R)
• M7: 1,265,149 km (0.097 R)
• M8: 1,402,630 km (0.078 R)
• M9: 1,868,477 km (0.119 R)
• M10: 2,178,145 km (0.075 R)
• M11: 2,369,780 km (0.075 R)
• M12: 2,731,657 km (0.057 R)
• M13: 2,978,494 km (0.069 R)
• M14: 3,355,929 km (0.086 R)
• M15: 3,494,457 km (0.095 R)
• M16: 3,691,776 km (0.11 R)
• M17: 3,849,452 km (0.108 R)
• M18: 4,009,522 km (0.041 R)
• M19: 4,186,646 km (0.07 R)
• M20: 4,321,134 km (0.098 R)
• M21: 4,718,167 km (0.085 R)
• M22: 4,858,490 km (0.118 R)
• M23: 5,079,297 km (0.113 R)
• M24: 5,319,850 km (0.107 R)
• M25: 5,417,088 km (0.102 R)
• M26: 5,580,449 km (0.069 R)
• M27: 6,353,422 km (0.115 R)
• M28: 6,560,764 km (0.085 R)
• M29: 6,823,009 km (0.107 R)
• M30: 7,088,695 km (0.05 R)
• M31: 7,376,073 km (0.055 R)
• M32: 7,703,842 km (0.116 R)
• M33: 7,869,596 km (0.109 R)
• M34: 8,242,095 km (0.031 R)
• M35: 8,908,104 km (0.117 R)
• M36: 9,062,789 km (0.113 R)
• M37: 9,374,850 km (0.111 R)
• M38: 9,769,938 km (0.118 R)
• M39: 10,069,881 km (0.076 R)
• M40: 10,291,735 km (0.093 R)
• M41: 10,637,905 km (0.114 R)
• M42: 10,946,525 km (0.103 R)
• M43: 11,174,811 km (0.03 R)
• M44: 11,279,081 km (0.107 R)
• M45: 11,614,928 km (0.029 R)
• M46: 11,720,544 km (0.115 R)
• M47: 11,847,703 km (0.083 R)
• M48: 11,975,310 km (0.11 R)
• M49: 12,082,122 km (0.081 R)
• M50: 12,232,019 km (0.077 R)
• M51: 12,361,122 km (0.092 R)
• M52: 12,512,216 km (0.03 R)
• M53: 12,642,217 km (0.101 R)
• M54: 13,166,857 km (0.081 R)
• M55: 13,343,382 km (0.104 R)
• M56: 13,476,225 km (0.069 R)
• M57: 13,855,007 km (0.112 R)
• M58: 14,012,085 km (0.044 R)
• M59: 14,373,363 km (0.106 R)
• M60: 14,829,039 km (0.054 R)
• M61: 15,545,014 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.6

Radius: 14.3

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.94 AU - 4.56 AU

Year: 3373 Days

Day: 6.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 79,350,425 km

• M1: 186,997 km (0.116 R)
• M2: 290,519 km (0.064 R)
• M3: 417,827 km (0.07 R)
• M4: 534,364 km (0.12 R)
• M5: 1,089,372 km (0.088 R)
• M6: 1,230,592 km (0.049 R)
• M7: 1,472,492 km (0.107 R)
• M8: 1,642,884 km (0.116 R)
• M9: 2,194,002 km (0.073 R)
• M10: 2,418,998 km (0.091 R)
• M11: 2,519,976 km (0.097 R)
• M12: 2,785,961 km (0.096 R)
• M13: 3,589,900 km (0.097 R)
• M14: 3,772,559 km (0.103 R)
• M15: 3,890,293 km (0.097 R)
• M16: 4,498,258 km (0.055 R)
• M17: 4,587,568 km (0.066 R)
• M18: 4,822,736 km (0.118 R)
• M19: 4,932,541 km (0.102 R)
• M20: 5,763,856 km (0.096 R)
• M21: 5,919,737 km (0.084 R)
• M22: 6,076,965 km (0.081 R)
• M23: 6,315,573 km (0.084 R)
• M24: 6,537,128 km (0.087 R)
• M25: 6,679,395 km (0.099 R)
• M26: 7,322,068 km (0.079 R)
• M27: 7,491,113 km (0.112 R)
• M28: 7,747,225 km (0.073 R)
• M29: 7,854,786 km (0.099 R)
• M30: 8,400,070 km (0.117 R)
• M31: 8,532,913 km (0.085 R)
• M32: 9,298,256 km (0.026 R)
• M33: 9,782,055 km (0.11 R)
• M34: 10,226,959 km (0.102 R)
• M35: 10,654,510 km (0.085 R)
• M36: 10,822,359 km (0.083 R)
• M37: 11,625,699 km (0.115 R)
• M38: 11,823,318 km (0.07 R)
• M39: 11,972,318 km (0.097 R)
• M40: 12,322,377 km (0.108 R)
• M41: 12,675,876 km (0.103 R)
• M42: 12,981,505 km (0.045 R)
• M43: 13,186,604 km (0.107 R)
• M44: 13,418,779 km (0.079 R)
• M45: 13,626,122 km (0.072 R)
• M46: 13,939,380 km (0.03 R)
• M47: 15,432,068 km (0.12 R)
• M48: 15,567,753 km (0.092 R)
• M49: 15,785,867 km (0.07 R)
• M50: 15,977,501 km (0.111 R)
• M51: 16,280,138 km (0.116 R)
• M52: 16,446,042 km (0.063 R)
• M53: 17,255,815 km (0.113 R)
• M54: 17,679,925 km (0.068 R)
• M55: 18,307,937 km (0.112 R)
• M56: 18,422,978 km (0.114 R)
• M57: 18,798,319 km (0.054 R)
• M58: 18,972,451 km (0.117 R)
• M59: 19,205,375 km (0.115 R)
• M60: 19,556,780 km (0.055 R)
• M61: 19,792,097 km (0.062 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.4

Radius: 8.1

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 6.47 AU - 9.01 AU

Year: 8290 Days

Day: 14.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 79,350,425 km

• M1: 161,566 km (0.12 R)
• M2: 239,506 km (0.113 R)
• M3: 290,220 km (0.056 R)
• M4: 416,780 km (0.105 R)
• M5: 470,934 km (0.065 R)
• M6: 527,781 km (0.09 R)
• M7: 740,360 km (0.083 R)
• M8: 849,866 km (0.107 R)
• M9: 1,163,423 km (0.108 R)
• M10: 1,259,464 km (0.056 R)
• M11: 1,408,763 km (0.058 R)
• M12: 1,798,017 km (0.066 R)
• M13: 2,503,670 km (0.11 R)
• M14: 2,586,996 km (0.118 R)
• M15: 2,713,855 km (0.11 R)
• M16: 2,907,883 km (0.118 R)
• M17: 3,587,207 km (0.11 R)
• M18: 3,848,256 km (0.108 R)
• M19: 4,115,587 km (0.076 R)
• M20: 4,288,821 km (0.111 R)
• M21: 4,591,607 km (0.116 R)
• M22: 4,875,095 km (0.074 R)
• M23: 5,164,418 km (0.077 R)
• M24: 5,217,675 km (0.063 R)
• M25: 5,787,493 km (0.091 R)
• M26: 6,093,720 km (0.053 R)
• M27: 6,722,330 km (0.053 R)
• M28: 6,780,523 km (0.12 R)
• M29: 6,926,681 km (0.044 R)
• M30: 7,251,906 km (0.054 R)
• M31: 7,461,493 km (0.098 R)
• M32: 7,733,911 km (0.106 R)
• M33: 7,886,650 km (0.106 R)
• M34: 8,071,254 km (0.1 R)
• M35: 8,602,177 km (0.079 R)
• M36: 9,144,469 km (0.057 R)
• M37: 9,796,417 km (0.077 R)
• M38: 9,895,600 km (0.077 R)
• M39: 10,429,664 km (0.088 R)
• M40: 10,632,519 km (0.077 R)
• M41: 10,939,045 km (0.106 R)
• M42: 11,076,226 km (0.112 R)
• M43: 11,214,006 km (0.118 R)
• M44: 11,595,780 km (0.092 R)
• M45: 12,229,776 km (0.115 R)
• M46: 12,622,769 km (0.082 R)
• M47: 12,983,599 km (0.092 R)
• M48: 13,384,521 km (0.093 R)
• M49: 14,235,733 km (0.082 R)
• M50: 14,348,081 km (0.099 R)
• M51: 14,535,976 km (0.047 R)
• M52: 14,649,072 km (0.078 R)
• M53: 14,724,619 km (0.049 R)
• M54: 15,718,847 km (0.082 R)
• M55: 16,695,272 km (0.078 R)
• M56: 17,610,811 km (0.109 R)
• M57: 18,542,656 km (0.095 R)
• M58: 18,706,316 km (0.077 R)
• M59: 18,788,296 km (0.106 R)
• M60: 18,911,564 km (0.073 R)
• M61: 19,991,063 km (0.118 R)
• M62: 20,158,911 km (0.052 R)
• M63: 20,707,636 km (0.119 R)
• M64: 20,920,065 km (0.087 R)
• M65: 21,005,187 km (0.109 R)
• M66: 21,090,457 km (0.067 R)
• M67: 21,432,588 km (0.045 R)
• M68: 21,776,663 km (0.1 R)
• M69: 22,252,833 km (0.106 R)
• M70: 22,513,881 km (0.027 R)
• M71: 22,601,097 km (0.114 R)
• M72: 23,347,440 km (0.111 R)
• M73: 24,864,213 km (0.064 R)
• M74: 25,135,285 km (0.08 R)
• M75: 26,274,772 km (0.032 R)
• M76: 26,458,627 km (0.033 R)
• M77: 26,735,383 km (0.095 R)
• M78: 27,711,061 km (0.112 R)
• M79: 29,030,215 km (0.085 R)
• M80: 29,363,220 km (0.081 R)
• M81: 30,177,182 km (0.101 R)
• M82: 30,804,595 km (0.087 R)
• M83: 31,778,178 km (0.1 R)
• M84: 32,023,219 km (0.072 R)
• M85: 32,318,077 km (0.09 R)
• M86: 32,465,730 km (0.098 R)
• M87: 33,158,218 km (0.119 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.6

Radius: 11.1

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 6.36 AU - 10.16 AU

Year: 9140 Days

Day: 14.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 59.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 79,350,425 km

• M1: 422,614 km (0.098 R)
• M2: 760,705 km (0.06 R)
• M3: 1,370,316 km (0.076 R)
• M4: 1,450,651 km (0.04 R)
• M5: 1,921,734 km (0.103 R)
• M6: 2,414,061 km (0.104 R)
• M7: 2,712,957 km (0.103 R)
• M8: 3,103,258 km (0.06 R)
• M9: 3,237,448 km (0.092 R)
• M10: 3,908,244 km (0.105 R)
• M11: 4,053,504 km (0.072 R)
• M12: 4,962,012 km (0.088 R)
• M13: 5,439,379 km (0.084 R)
• M14: 5,634,604 km (0.105 R)
• M15: 5,865,134 km (0.083 R)
• M16: 6,679,395 km (0.085 R)
• M17: 6,818,521 km (0.078 R)
• M18: 7,029,155 km (0.099 R)
• M19: 7,206,279 km (0.106 R)
• M20: 7,601,217 km (0.053 R)
• M21: 7,710,125 km (0.076 R)
• M22: 8,337,389 km (0.097 R)
• M23: 9,019,405 km (0.112 R)
• M24: 9,406,116 km (0.108 R)
• M25: 9,523,101 km (0.045 R)
• M26: 9,798,212 km (0.071 R)
• M27: 9,996,279 km (0.068 R)
• M28: 10,075,865 km (0.1 R)
• M29: 11,461,441 km (0.117 R)
• M30: 11,754,054 km (0.051 R)
• M31: 12,049,211 km (0.061 R)
• M32: 12,346,761 km (0.084 R)
• M33: 13,605,478 km (0.117 R)
• M34: 13,959,875 km (0.088 R)
• M35: 14,317,264 km (0.103 R)
• M36: 14,497,230 km (0.113 R)
• M37: 14,632,617 km (0.085 R)
• M38: 14,950,063 km (0.106 R)
• M39: 15,545,912 km (0.115 R)
• M40: 15,638,213 km (0.112 R)
• M41: 15,869,941 km (0.085 R)
• M42: 16,149,539 km (0.12 R)
• M43: 16,383,660 km (0.102 R)
• M44: 16,477,757 km (0.109 R)
• M45: 17,283,940 km (0.07 R)
• M46: 17,427,554 km (0.069 R)
• M47: 18,151,607 km (0.096 R)
• M48: 18,590,677 km (0.078 R)
• M49: 19,678,852 km (0.11 R)
• M50: 20,230,718 km (0.117 R)
• M51: 21,555,258 km (0.103 R)
• M52: 21,709,942 km (0.118 R)
• M53: 22,593,168 km (0.039 R)
• M54: 25,204,100 km (0.043 R)
• M55: 25,748,636 km (0.113 R)
• M56: 25,857,992 km (0.098 R)
• M57: 26,242,010 km (0.072 R)
• M58: 27,572,982 km (0.116 R)
• M59: 28,021,476 km (0.062 R)
• M60: 28,246,621 km (0.033 R)
• M61: 29,438,617 km (0.111 R)
• M62: 30,531,130 km (0.041 R)
• M63: 30,704,963 km (0.099 R)
• M64: 31,228,107 km (0.044 R)
• M65: 31,461,479 km (0.089 R)
• M66: 31,754,242 km (0.106 R)
• M67: 31,930,170 km (0.113 R)
• M68: 32,165,487 km (0.103 R)
• M69: 32,401,253 km (0.11 R)
• M70: 33,052,602 km (0.044 R)
• M71: 33,171,533 km (0.054 R)
• M72: 34,669,606 km (0.104 R)
• M73: 34,971,943 km (0.054 R)
• M74: 35,945,227 km (0.097 R)
• M75: 36,189,819 km (0.079 R)
• M76: 36,742,434 km (0.111 R)
• M77: 37,483,542 km (0.11 R)
• M78: 38,980,568 km (0.109 R)
• M79: 40,624,349 km (0.068 R)
• M80: 41,390,739 km (0.057 R)
• M81: 41,839,981 km (0.11 R)
• M82: 42,549,075 km (0.082 R)
• M83: 42,937,581 km (0.114 R)
• M84: 43,392,358 km (0.1 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457.5

Radius: 7.2

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 13.55 AU - 19.67 AU

Year: 26063 Days

Day: 21.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 79,350,425 km

• M1: 157,227 km (0.118 R)
• M2: 207,043 km (0.071 R)
• M3: 297,101 km (0.032 R)
• M4: 421,866 km (0.114 R)
• M5: 897,138 km (0.077 R)
• M6: 1,168,210 km (0.108 R)
• M7: 1,433,447 km (0.088 R)
• M8: 1,950,756 km (0.083 R)
• M9: 2,123,542 km (0.102 R)
• M10: 2,447,122 km (0.064 R)
• M11: 2,671,519 km (0.039 R)
• M12: 2,902,647 km (0.044 R)
• M13: 3,343,213 km (0.093 R)
• M14: 3,508,668 km (0.071 R)
• M15: 3,676,816 km (0.042 R)
• M16: 4,152,837 km (0.102 R)
• M17: 4,375,588 km (0.101 R)
• M18: 4,879,583 km (0.108 R)
• M19: 6,862,204 km (0.109 R)
• M20: 7,826,362 km (0.11 R)
• M21: 9,003,997 km (0.104 R)
• M22: 10,355,913 km (0.07 R)
• M23: 10,476,488 km (0.079 R)
• M24: 11,896,023 km (0.092 R)
• M25: 12,660,318 km (0.09 R)
• M26: 12,983,450 km (0.091 R)
• M27: 13,836,307 km (0.102 R)
• M28: 14,639,498 km (0.086 R)
• M29: 16,431,232 km (0.112 R)
• M30: 16,642,464 km (0.097 R)
• M31: 16,712,925 km (0.111 R)
• M32: 18,000,513 km (0.077 R)
• M33: 19,841,166 km (0.096 R)
• M34: 19,990,913 km (0.082 R)
• M35: 20,897,775 km (0.065 R)
• M36: 21,126,510 km (0.084 R)
• M37: 22,205,261 km (0.05 R)
• M38: 23,777,086 km (0.103 R)
• M39: 25,303,283 km (0.114 R)
• M40: 25,628,658 km (0.109 R)
• M41: 25,791,870 km (0.115 R)
• M42: 26,613,012 km (0.042 R)
• M43: 26,778,168 km (0.109 R)
• M44: 27,359,356 km (0.111 R)
• M45: 28,533,849 km (0.06 R)
• M46: 30,412,798 km (0.07 R)
• M47: 30,499,116 km (0.105 R)
• M48: 30,672,051 km (0.074 R)
• M49: 31,891,723 km (0.093 R)
• M50: 32,243,128 km (0.091 R)
• M51: 35,281,461 km (0.077 R)
• M52: 36,375,470 km (0.09 R)
• M53: 36,467,174 km (0.063 R)
• M54: 36,650,730 km (0.103 R)
• M55: 38,596,699 km (0.043 R)
• M56: 38,690,198 km (0.097 R)
• M57: 39,064,941 km (0.118 R)
• M58: 40,291,195 km (0.102 R)
• M59: 40,956,755 km (0.115 R)
• M60: 41,243,086 km (0.083 R)
• M61: 42,009,924 km (0.041 R)
• M62: 43,557,664 km (0.115 R)
• M63: 44,338,565 km (0.056 R)
• M64: 48,210,906 km (0.112 R)
• M65: 48,412,414 km (0.108 R)
• M66: 50,136,230 km (0.095 R)
• M67: 50,851,907 km (0.102 R)
• M68: 50,954,381 km (0.082 R)
• M69: 53,331,192 km (0.082 R)
• M70: 53,643,852 km (0.091 R)
• M71: 54,166,397 km (0.063 R)
• M72: 55,955,438 km (0.055 R)
• M73: 57,870,739 km (0.113 R)
• M74: 59,591,115 km (0.082 R)
• M75: 60,132,211 km (0.118 R)
• M76: 61,984,083 km (0.108 R)
• M77: 63,192,385 km (0.072 R)
• M78: 64,852,472 km (0.11 R)
• M79: 65,632,027 km (0.086 R)
• M80: 67,989,390 km (0.119 R)
• M81: 68,667,966 km (0.1 R)
• M82: 69,008,151 km (0.104 R)
• M83: 69,121,696 km (0.116 R)
• M84: 69,462,480 km (0.095 R)
• M85: 70,031,999 km (0.045 R)
• M86: 72,902,184 km (0.071 R)
• M87: 73,133,462 km (0.118 R)
• M88: 73,712,705 km (0.064 R)
• M89: 73,828,644 km (0.077 R)
• M90: 78,164,439 km (0.091 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 441 - 13,823 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit