🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.3

Radius: 12.5

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.66 AU - 0.84 AU

Year: 448 Days

Day: 11.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 43,074,273 km

• M1: 163,810 km (0.11 R)
• M2: 242,797 km (0.102 R)
• M3: 329,265 km (0.071 R)
• M4: 433,535 km (0.112 R)
• M5: 582,534 km (0.098 R)
• M6: 827,127 km (0.12 R)
• M7: 905,815 km (0.054 R)
• M8: 1,020,706 km (0.037 R)
• M9: 1,162,974 km (0.107 R)
• M10: 1,266,196 km (0.104 R)
• M11: 1,434,644 km (0.118 R)
• M12: 1,570,927 km (0.09 R)
• M13: 1,655,899 km (0.115 R)
• M14: 1,799,363 km (0.096 R)
• M15: 1,883,288 km (0.101 R)
• M16: 1,995,486 km (0.119 R)
• M17: 2,082,552 km (0.11 R)
• M18: 2,176,649 km (0.085 R)
• M19: 2,306,201 km (0.078 R)
• M20: 2,449,964 km (0.111 R)
• M21: 2,692,313 km (0.116 R)
• M22: 2,771,001 km (0.09 R)
• M23: 2,874,822 km (0.052 R)
• M24: 2,967,723 km (0.097 R)
• M25: 3,061,520 km (0.115 R)
• M26: 3,336,182 km (0.097 R)
• M27: 3,414,272 km (0.116 R)
• M28: 3,539,186 km (0.072 R)
• M29: 3,618,922 km (0.084 R)
• M30: 3,807,266 km (0.103 R)
• M31: 3,992,019 km (0.118 R)
• M32: 4,165,852 km (0.088 R)
• M33: 4,271,318 km (0.113 R)
• M34: 4,356,440 km (0.098 R)
• M35: 4,506,636 km (0.067 R)
• M36: 4,593,403 km (0.085 R)
• M37: 4,768,283 km (0.109 R)
• M38: 4,938,076 km (0.06 R)
• M39: 5,027,536 km (0.097 R)
• M40: 5,132,404 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759

Radius: 11.1

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.66 AU - 1.08 AU

Year: 560 Days

Day: 9.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (53)

Outer Limit: 43,074,273 km

• M1: 158,125 km (0.106 R)
• M2: 258,804 km (0.081 R)
• M3: 449,093 km (0.039 R)
• M4: 547,678 km (0.041 R)
• M5: 742,005 km (0.106 R)
• M6: 823,536 km (0.113 R)
• M7: 918,681 km (0.091 R)
• M8: 991,235 km (0.108 R)
• M9: 1,104,331 km (0.098 R)
• M10: 1,361,640 km (0.077 R)
• M11: 1,433,596 km (0.108 R)
• M12: 1,550,283 km (0.101 R)
• M13: 1,638,396 km (0.118 R)
• M14: 1,813,276 km (0.061 R)
• M15: 1,893,011 km (0.086 R)
• M16: 1,987,557 km (0.051 R)
• M17: 2,090,780 km (0.047 R)
• M18: 2,338,664 km (0.112 R)
• M19: 2,484,671 km (0.102 R)
• M20: 2,573,831 km (0.091 R)
• M21: 2,755,294 km (0.113 R)
• M22: 2,863,154 km (0.077 R)
• M23: 2,972,510 km (0.098 R)
• M24: 3,075,283 km (0.058 R)
• M25: 3,260,037 km (0.061 R)
• M26: 3,581,971 km (0.109 R)
• M27: 3,759,544 km (0.084 R)
• M28: 3,836,587 km (0.068 R)
• M29: 3,940,109 km (0.098 R)
• M30: 4,009,672 km (0.03 R)
• M31: 4,114,689 km (0.056 R)
• M32: 4,185,300 km (0.059 R)
• M33: 4,318,741 km (0.101 R)
• M34: 4,517,108 km (0.11 R)
• M35: 4,608,213 km (0.091 R)
• M36: 4,690,791 km (0.054 R)
• M37: 4,829,618 km (0.088 R)
• M38: 5,063,888 km (0.07 R)
• M39: 5,215,879 km (0.099 R)
• M40: 5,302,048 km (0.055 R)
• M41: 5,436,985 km (0.11 R)
• M42: 5,553,522 km (0.052 R)
• M43: 5,631,761 km (0.066 R)
• M44: 5,789,288 km (0.053 R)
• M45: 5,888,471 km (0.064 R)
• M46: 5,998,276 km (0.088 R)
• M47: 6,098,656 km (0.036 R)
• M48: 6,199,635 km (0.078 R)
• M49: 6,403,238 km (0.119 R)
• M50: 6,536,829 km (0.087 R)
• M51: 6,785,909 km (0.117 R)
• M52: 6,922,043 km (0.067 R)
• M53: 7,090,939 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.3

Radius: 14.6

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.16 AU - 1.24 AU

Year: 907 Days

Day: 12.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 43,074,273 km

• M1: 181,761 km (0.09 R)
• M2: 341,382 km (0.084 R)
• M3: 432,936 km (0.101 R)
• M4: 530,175 km (0.057 R)
• M5: 633,697 km (0.08 R)
• M6: 741,557 km (0.081 R)
• M7: 835,055 km (0.033 R)
• M8: 993,330 km (0.065 R)
• M9: 1,113,158 km (0.062 R)
• M10: 1,228,199 km (0.026 R)
• M11: 1,487,601 km (0.099 R)
• M12: 1,627,176 km (0.112 R)
• M13: 1,759,720 km (0.074 R)
• M14: 1,938,190 km (0.115 R)
• M15: 2,154,509 km (0.099 R)
• M16: 2,262,369 km (0.072 R)
• M17: 2,372,323 km (0.054 R)
• M18: 2,503,969 km (0.118 R)
• M19: 2,597,767 km (0.083 R)
• M20: 2,740,483 km (0.116 R)
• M21: 2,837,273 km (0.071 R)
• M22: 2,991,658 km (0.061 R)
• M23: 3,084,259 km (0.098 R)
• M24: 3,177,908 km (0.105 R)
• M25: 3,323,765 km (0.098 R)
• M26: 3,464,537 km (0.085 R)
• M27: 3,667,990 km (0.114 R)
• M28: 4,102,871 km (0.106 R)
• M29: 4,302,435 km (0.108 R)
• M30: 4,448,143 km (0.103 R)
• M31: 4,570,963 km (0.086 R)
• M32: 4,694,830 km (0.119 R)
• M33: 4,903,818 km (0.111 R)
• M34: 5,047,731 km (0.117 R)
• M35: 5,236,075 km (0.111 R)
• M36: 5,348,423 km (0.062 R)
• M37: 5,505,501 km (0.115 R)
• M38: 5,655,099 km (0.072 R)
• M39: 5,967,758 km (0.1 R)
• M40: 6,167,172 km (0.098 R)
• M41: 6,276,827 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.5

Radius: 11.8

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.72 AU - 2.34 AU

Year: 1996 Days

Day: 7 Hours

Environment

Temp: -201 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 43,074,273 km

• M1: 203,154 km (0.112 R)
• M2: 277,205 km (0.119 R)
• M3: 542,442 km (0.062 R)
• M4: 618,886 km (0.071 R)
• M5: 745,596 km (0.066 R)
• M6: 1,071,719 km (0.056 R)
• M7: 1,382,434 km (0.106 R)
• M8: 1,462,020 km (0.09 R)
• M9: 1,584,690 km (0.11 R)
• M10: 1,753,736 km (0.071 R)
• M11: 2,052,932 km (0.04 R)
• M12: 2,465,223 km (0.109 R)
• M13: 2,801,220 km (0.111 R)
• M14: 2,903,545 km (0.081 R)
• M15: 2,994,201 km (0.086 R)
• M16: 3,112,234 km (0.094 R)
• M17: 3,352,937 km (0.082 R)
• M18: 3,767,922 km (0.087 R)
• M19: 4,082,675 km (0.099 R)
• M20: 4,199,362 km (0.079 R)
• M21: 4,331,906 km (0.074 R)
• M22: 4,435,876 km (0.071 R)
• M23: 4,753,173 km (0.084 R)
• M24: 4,937,777 km (0.073 R)
• M25: 5,015,418 km (0.108 R)
• M26: 5,570,576 km (0.114 R)
• M27: 5,651,508 km (0.07 R)
• M28: 6,028,794 km (0.116 R)
• M29: 6,145,181 km (0.038 R)
• M30: 6,363,445 km (0.061 R)
• M31: 6,670,120 km (0.051 R)
• M32: 7,227,073 km (0.081 R)
• M33: 7,654,624 km (0.111 R)
• M34: 7,835,188 km (0.095 R)
• M35: 7,926,144 km (0.111 R)
• M36: 8,237,607 km (0.082 R)
• M37: 8,497,159 km (0.096 R)
• M38: 8,571,808 km (0.073 R)
• M39: 8,986,494 km (0.089 R)
• M40: 9,272,974 km (0.113 R)
• M41: 9,407,612 km (0.087 R)
• M42: 9,659,684 km (0.063 R)
• M43: 9,933,448 km (0.081 R)
• M44: 10,051,631 km (0.113 R)
• M45: 10,428,916 km (0.103 R)
• M46: 10,568,940 km (0.079 R)
• M47: 10,729,907 km (0.098 R)
• M48: 11,382,004 km (0.07 R)
• M49: 11,547,011 km (0.112 R)
• M50: 11,650,533 km (0.068 R)
• M51: 12,109,798 km (0.098 R)
• M52: 12,553,805 km (0.069 R)
• M53: 12,831,309 km (0.073 R)
• M54: 13,110,907 km (0.116 R)
• M55: 13,197,225 km (0.058 R)
• M56: 13,283,992 km (0.072 R)
• M57: 13,523,049 km (0.107 R)
• M58: 13,719,920 km (0.088 R)
• M59: 14,404,929 km (0.079 R)
• M60: 14,762,767 km (0.112 R)
• M61: 15,169,074 km (0.115 R)
• M62: 15,282,470 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.1

Radius: 12.8

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.22 AU - 2.68 AU

Year: 2647 Days

Day: 9.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 172.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 43,074,273 km

• M1: 160,967 km (0.104 R)
• M2: 485,595 km (0.099 R)
• M3: 740,360 km (0.038 R)
• M4: 925,113 km (0.092 R)
• M5: 1,082,640 km (0.052 R)
• M6: 1,192,893 km (0.1 R)
• M7: 1,377,796 km (0.078 R)
• M8: 1,776,624 km (0.118 R)
• M9: 1,895,405 km (0.104 R)
• M10: 2,003,415 km (0.091 R)
• M11: 2,211,505 km (0.063 R)
• M12: 2,544,809 km (0.049 R)
• M13: 2,956,652 km (0.081 R)
• M14: 3,210,969 km (0.115 R)
• M15: 3,572,248 km (0.102 R)
• M16: 3,809,211 km (0.104 R)
• M17: 3,895,080 km (0.032 R)
• M18: 4,033,907 km (0.119 R)
• M19: 4,227,337 km (0.105 R)
• M20: 4,406,106 km (0.098 R)
• M21: 4,569,018 km (0.102 R)
• M22: 4,789,525 km (0.119 R)
• M23: 5,032,323 km (0.052 R)
• M24: 5,183,865 km (0.099 R)
• M25: 5,317,756 km (0.111 R)
• M26: 5,433,395 km (0.071 R)
• M27: 5,765,502 km (0.111 R)
• M28: 6,084,295 km (0.097 R)
• M29: 6,266,206 km (0.119 R)
• M30: 6,408,922 km (0.11 R)
• M31: 6,552,836 km (0.06 R)
• M32: 6,697,646 km (0.119 R)
• M33: 6,990,708 km (0.071 R)
• M34: 7,202,689 km (0.096 R)
• M35: 7,373,829 km (0.119 R)
• M36: 7,698,306 km (0.099 R)
• M37: 8,722,453 km (0.104 R)
• M38: 9,181,121 km (0.097 R)
• M39: 9,460,121 km (0.071 R)
• M40: 9,647,716 km (0.107 R)
• M41: 10,579,861 km (0.115 R)
• M42: 10,774,637 km (0.028 R)
• M43: 11,019,828 km (0.034 R)
• M44: 11,415,814 km (0.096 R)
• M45: 11,515,595 km (0.1 R)
• M46: 11,867,150 km (0.11 R)
• M47: 11,993,560 km (0.113 R)
• M48: 12,273,159 km (0.1 R)
• M49: 12,555,001 km (0.059 R)
• M50: 12,761,297 km (0.116 R)
• M51: 12,968,639 km (0.077 R)
• M52: 13,124,969 km (0.095 R)
• M53: 13,465,903 km (0.118 R)
• M54: 14,263,559 km (0.088 R)
• M55: 15,544,116 km (0.098 R)
• M56: 15,710,320 km (0.056 R)
• M57: 15,960,597 km (0.03 R)
• M58: 16,184,096 km (0.058 R)
• M59: 16,691,083 km (0.085 R)
• M60: 16,975,020 km (0.073 R)
• M61: 17,260,453 km (0.049 R)
• M62: 17,403,767 km (0.065 R)
• M63: 17,836,255 km (0.115 R)
• M64: 17,952,193 km (0.105 R)
• M65: 18,126,475 km (0.105 R)
• M66: 18,564,797 km (0.06 R)
• M67: 19,006,709 km (0.079 R)
• M68: 19,392,372 km (0.091 R)
• M69: 19,690,969 km (0.106 R)
• M70: 20,201,846 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.2

Radius: 14.2

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.99 AU - 3.09 AU

Year: 3659 Days

Day: 14.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 43,074,273 km

• M1: 230,680 km (0.079 R)
• M2: 406,757 km (0.085 R)
• M3: 704,008 km (0.076 R)
• M4: 862,731 km (0.092 R)
• M5: 1,152,203 km (0.067 R)
• M6: 1,386,772 km (0.095 R)
• M7: 1,920,238 km (0.036 R)
• M8: 2,117,408 km (0.071 R)
• M9: 2,269,998 km (0.116 R)
• M10: 2,496,938 km (0.07 R)
• M11: 2,640,402 km (0.06 R)
• M12: 2,861,059 km (0.069 R)
• M13: 3,379,715 km (0.113 R)
• M14: 3,803,825 km (0.109 R)
• M15: 3,907,347 km (0.084 R)
• M16: 4,180,961 km (0.095 R)
• M17: 4,417,625 km (0.075 R)
• M18: 4,548,523 km (0.096 R)
• M19: 4,859,088 km (0.095 R)
• M20: 5,153,946 km (0.11 R)
• M21: 5,407,963 km (0.103 R)
• M22: 5,832,522 km (0.094 R)
• M23: 6,194,848 km (0.111 R)
• M24: 6,490,004 km (0.111 R)
• M25: 6,916,059 km (0.047 R)
• M26: 7,273,897 km (0.101 R)
• M27: 7,585,510 km (0.098 R)
• M28: 7,690,228 km (0.081 R)
• M29: 8,114,488 km (0.095 R)
• M30: 8,710,336 km (0.114 R)
• M31: 10,261,516 km (0.099 R)
• M32: 11,024,316 km (0.062 R)
• M33: 11,593,386 km (0.083 R)
• M34: 11,805,366 km (0.098 R)
• M35: 12,356,635 km (0.07 R)
• M36: 12,573,402 km (0.106 R)
• M37: 12,791,216 km (0.092 R)
• M38: 13,484,453 km (0.04 R)
• M39: 13,675,639 km (0.073 R)
• M40: 13,803,545 km (0.078 R)
• M41: 14,028,391 km (0.031 R)
• M42: 14,157,494 km (0.096 R)
• M43: 14,254,583 km (0.101 R)
• M44: 14,743,169 km (0.094 R)
• M45: 15,237,291 km (0.097 R)
• M46: 15,336,774 km (0.057 R)
• M47: 15,436,406 km (0.12 R)
• M48: 15,669,928 km (0.087 R)
• M49: 16,140,413 km (0.091 R)
• M50: 16,854,893 km (0.067 R)
• M51: 17,060,889 km (0.1 R)
• M52: 17,302,340 km (0.076 R)
• M53: 17,963,413 km (0.115 R)
• M54: 18,349,974 km (0.085 R)
• M55: 19,059,816 km (0.119 R)
• M56: 19,887,242 km (0.114 R)
• M57: 20,032,352 km (0.115 R)
• M58: 20,250,765 km (0.095 R)
• M59: 20,360,270 km (0.09 R)
• M60: 20,506,427 km (0.064 R)
• M61: 20,653,033 km (0.082 R)
• M62: 21,651,749 km (0.116 R)
• M63: 21,950,795 km (0.064 R)
• M64: 22,477,230 km (0.106 R)
• M65: 23,046,001 km (0.083 R)
• M66: 23,581,112 km (0.091 R)
• M67: 23,811,643 km (0.056 R)
• M68: 24,004,325 km (0.035 R)
• M69: 24,430,230 km (0.078 R)
• M70: 24,936,768 km (0.102 R)
• M71: 25,486,092 km (0.068 R)
• M72: 25,801,743 km (0.033 R)
• M73: 26,357,350 km (0.081 R)
• M74: 26,716,684 km (0.092 R)
• M75: 26,836,811 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 306.8

Radius: 4.9

Gravity: 12.78 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 6.92 AU - 7.04 AU

Year: 12729 Days

Day: 23 Hours

Environment

Temp: -238 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 43,074,273 km

• M1: 64,776 km (0.111 R)
• M2: 392,246 km (0.103 R)
• M3: 471,532 km (0.074 R)
• M4: 708,944 km (0.054 R)
• M5: 741,108 km (0.119 R)
• M6: 840,590 km (0.034 R)
• M7: 891,903 km (0.065 R)
• M8: 997,967 km (0.072 R)
• M9: 1,126,921 km (0.106 R)
• M10: 1,849,030 km (0.107 R)
• M11: 1,916,498 km (0.113 R)
• M12: 1,984,715 km (0.105 R)
• M13: 2,386,984 km (0.085 R)
• M14: 2,509,953 km (0.095 R)
• M15: 2,891,577 km (0.081 R)
• M16: 3,049,253 km (0.09 R)
• M17: 3,236,849 km (0.108 R)
• M18: 3,764,780 km (0.045 R)
• M19: 3,850,649 km (0.055 R)
• M20: 4,082,526 km (0.039 R)
• M21: 4,289,270 km (0.098 R)
• M22: 4,529,674 km (0.086 R)
• M23: 5,181,621 km (0.103 R)
• M24: 5,632,360 km (0.101 R)
• M25: 6,331,730 km (0.112 R)
• M26: 6,536,529 km (0.116 R)
• M27: 6,813,136 km (0.087 R)
• M28: 6,917,705 km (0.12 R)
• M29: 7,413,322 km (0.112 R)
• M30: 7,629,192 km (0.111 R)
• M31: 7,920,310 km (0.11 R)
• M32: 9,274,470 km (0.062 R)
• M33: 9,351,812 km (0.108 R)
• M34: 9,859,547 km (0.111 R)
• M35: 10,901,795 km (0.05 R)
• M36: 11,726,977 km (0.092 R)
• M37: 12,486,785 km (0.12 R)
• M38: 13,132,000 km (0.037 R)
• M39: 13,964,812 km (0.109 R)
• M40: 14,053,374 km (0.103 R)
• M41: 14,186,815 km (0.084 R)
• M42: 14,589,233 km (0.11 R)
• M43: 14,679,291 km (0.112 R)
• M44: 14,814,528 km (0.111 R)
• M45: 15,819,227 km (0.098 R)
• M46: 16,097,030 km (0.097 R)
• M47: 16,329,804 km (0.071 R)
• M48: 17,129,405 km (0.105 R)
• M49: 17,271,822 km (0.116 R)
• M50: 17,941,721 km (0.11 R)
• M51: 18,522,610 km (0.09 R)
• M52: 18,717,686 km (0.057 R)
• M53: 19,653,271 km (0.115 R)
• M54: 20,755,508 km (0.116 R)
• M55: 20,806,072 km (0.053 R)
• M56: 23,703,035 km (0.114 R)
• M57: 24,286,766 km (0.103 R)
• M58: 24,393,429 km (0.112 R)
• M59: 25,793,964 km (0.074 R)
• M60: 25,957,175 km (0.056 R)
• M61: 26,284,795 km (0.042 R)
• M62: 26,449,053 km (0.053 R)
• M63: 29,577,893 km (0.077 R)
• M64: 30,435,687 km (0.115 R)
• M65: 30,896,448 km (0.094 R)
• M66: 31,592,078 km (0.063 R)
• M67: 32,175,510 km (0.12 R)
• M68: 32,292,645 km (0.11 R)
• M69: 32,527,364 km (0.093 R)
• M70: 32,821,623 km (0.09 R)
• M71: 33,057,539 km (0.093 R)
• M72: 33,887,807 km (0.077 R)
• M73: 34,305,634 km (0.062 R)
• M74: 35,327,238 km (0.117 R)
• M75: 36,054,284 km (0.103 R)
• M76: 36,541,823 km (0.101 R)
• M77: 37,584,969 km (0.061 R)
• M78: 38,389,207 km (0.108 R)
• M79: 38,451,290 km (0.039 R)
• M80: 39,574,920 km (0.089 R)
• M81: 39,951,907 km (0.047 R)
• M82: 40,203,829 km (0.116 R)
• M83: 40,329,940 km (0.119 R)
• M84: 41,726,436 km (0.12 R)
• M85: 43,009,837 km (0.114 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 185 - 11,810 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit