🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.3

Radius: 8.1

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.56 AU - 0.9 AU

Year: 431 Days

Day: 7.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 38,838,521 km

• M1: 111,750 km (0.118 R)
• M2: 218,263 km (0.053 R)
• M3: 285,732 km (0.116 R)
• M4: 343,477 km (0.107 R)
• M5: 403,166 km (0.095 R)
• M6: 473,328 km (0.048 R)
• M7: 575,353 km (0.113 R)
• M8: 744,997 km (0.088 R)
• M9: 850,015 km (0.119 R)
• M10: 902,374 km (0.111 R)
• M11: 1,006,494 km (0.069 R)
• M12: 1,119,142 km (0.083 R)
• M13: 1,259,016 km (0.055 R)
• M14: 1,333,515 km (0.095 R)
• M15: 1,385,575 km (0.068 R)
• M16: 1,452,895 km (0.12 R)
• M17: 1,511,537 km (0.114 R)
• M18: 1,586,037 km (0.058 R)
• M19: 1,707,809 km (0.119 R)
• M20: 1,817,016 km (0.102 R)
• M21: 1,955,394 km (0.057 R)
• M22: 2,058,766 km (0.044 R)
• M23: 2,163,933 km (0.083 R)
• M24: 2,253,991 km (0.075 R)
• M25: 2,356,765 km (0.108 R)
• M26: 2,455,350 km (0.086 R)
• M27: 2,620,655 km (0.068 R)
• M28: 2,710,713 km (0.114 R)
• M29: 2,820,219 km (0.117 R)
• M30: 2,993,603 km (0.082 R)
• M31: 3,100,565 km (0.108 R)
• M32: 3,318,230 km (0.086 R)
• M33: 3,574,192 km (0.084 R)
• M34: 3,809,360 km (0.11 R)
• M35: 3,980,500 km (0.063 R)
• M36: 4,098,234 km (0.101 R)
• M37: 4,189,189 km (0.103 R)
• M38: 4,301,986 km (0.118 R)
• M39: 4,610,008 km (0.069 R)
• M40: 4,704,554 km (0.08 R)
• M41: 4,888,260 km (0.087 R)
• M42: 4,962,461 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.4

Radius: 10.8

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.64 AU - 0.94 AU

Year: 485 Days

Day: 6.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,838,521 km

• M1: 135,087 km (0.056 R)
• M2: 210,933 km (0.055 R)
• M3: 284,236 km (0.071 R)
• M4: 352,602 km (0.075 R)
• M5: 421,866 km (0.098 R)
• M6: 624,122 km (0.102 R)
• M7: 728,990 km (0.101 R)
• M8: 859,440 km (0.077 R)
• M9: 940,223 km (0.117 R)
• M10: 1,036,863 km (0.102 R)
• M11: 1,172,099 km (0.098 R)
• M12: 1,260,063 km (0.115 R)
• M13: 1,373,308 km (0.095 R)
• M14: 1,478,326 km (0.1 R)
• M15: 1,561,951 km (0.101 R)
• M16: 1,631,814 km (0.075 R)
• M17: 1,727,855 km (0.055 R)
• M18: 1,797,119 km (0.102 R)
• M19: 1,906,176 km (0.071 R)
• M20: 1,997,730 km (0.069 R)
• M21: 2,107,535 km (0.044 R)
• M22: 2,277,927 km (0.053 R)
• M23: 2,350,781 km (0.109 R)
• M24: 2,456,397 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.3

Radius: 10.2

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.91 AU - 0.99 AU

Year: 639 Days

Day: 5.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 38,838,521 km

• M1: 128,355 km (0.099 R)
• M2: 200,611 km (0.055 R)
• M3: 274,961 km (0.05 R)
• M4: 353,051 km (0.082 R)
• M5: 444,605 km (0.085 R)
• M6: 617,241 km (0.086 R)
• M7: 839,394 km (0.068 R)
• M8: 910,303 km (0.092 R)
• M9: 978,819 km (0.064 R)
• M10: 1,116,599 km (0.068 R)
• M11: 1,180,477 km (0.033 R)
• M12: 1,658,143 km (0.088 R)
• M13: 1,918,293 km (0.065 R)
• M14: 2,062,506 km (0.094 R)
• M15: 2,148,375 km (0.096 R)
• M16: 2,342,852 km (0.1 R)
• M17: 2,419,596 km (0.104 R)
• M18: 2,582,508 km (0.067 R)
• M19: 2,688,723 km (0.115 R)
• M20: 2,974,454 km (0.051 R)
• M21: 3,079,023 km (0.115 R)
• M22: 3,385,250 km (0.116 R)
• M23: 3,494,457 km (0.111 R)
• M24: 3,671,730 km (0.114 R)
• M25: 3,836,886 km (0.117 R)
• M26: 3,920,362 km (0.103 R)
• M27: 4,050,512 km (0.115 R)
• M28: 4,143,412 km (0.065 R)
• M29: 4,513,667 km (0.07 R)
• M30: 4,601,930 km (0.108 R)
• M31: 4,886,614 km (0.103 R)
• M32: 5,010,332 km (0.092 R)
• M33: 5,235,776 km (0.094 R)
• M34: 5,303,245 km (0.062 R)
• M35: 5,422,025 km (0.109 R)
• M36: 5,610,369 km (0.102 R)
• M37: 5,827,136 km (0.047 R)
• M38: 5,896,998 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.4

Radius: 11.8

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.9 AU - 1.04 AU

Year: 659 Days

Day: 8.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 38,838,521 km

• M1: 183,557 km (0.025 R)
• M2: 262,395 km (0.073 R)
• M3: 349,311 km (0.061 R)
• M4: 470,485 km (0.095 R)
• M5: 569,369 km (0.084 R)
• M6: 661,522 km (0.082 R)
• M7: 808,427 km (0.087 R)
• M8: 892,800 km (0.101 R)
• M9: 1,080,695 km (0.054 R)
• M10: 1,160,730 km (0.11 R)
• M11: 1,282,203 km (0.036 R)
• M12: 1,413,251 km (0.086 R)
• M13: 1,491,042 km (0.052 R)
• M14: 1,602,642 km (0.087 R)
• M15: 1,772,436 km (0.111 R)
• M16: 1,879,697 km (0.059 R)
• M17: 1,965,866 km (0.059 R)
• M18: 2,047,546 km (0.107 R)
• M19: 2,263,117 km (0.101 R)
• M20: 2,355,119 km (0.072 R)
• M21: 2,461,035 km (0.112 R)
• M22: 2,536,731 km (0.028 R)
• M23: 2,749,160 km (0.088 R)
• M24: 2,867,492 km (0.104 R)
• M25: 2,947,377 km (0.091 R)
• M26: 3,028,011 km (0.108 R)
• M27: 3,109,541 km (0.117 R)
• M28: 3,323,317 km (0.095 R)
• M29: 3,400,360 km (0.114 R)
• M30: 3,513,456 km (0.086 R)
• M31: 3,599,175 km (0.075 R)
• M32: 3,846,012 km (0.031 R)
• M33: 4,001,145 km (0.09 R)
• M34: 4,409,846 km (0.102 R)
• M35: 4,494,818 km (0.083 R)
• M36: 4,666,257 km (0.112 R)
• M37: 4,808,225 km (0.074 R)
• M38: 4,967,696 km (0.065 R)
• M39: 5,202,116 km (0.087 R)
• M40: 5,300,103 km (0.029 R)
• M41: 5,431,899 km (0.054 R)
• M42: 5,614,707 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.7

Radius: 14.9

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.57 AU - 2.43 AU

Year: 1952 Days

Day: 10.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 38,838,521 km

• M1: 188,045 km (0.086 R)
• M2: 285,732 km (0.064 R)
• M3: 389,702 km (0.073 R)
• M4: 630,256 km (0.111 R)
• M5: 890,706 km (0.03 R)
• M6: 1,063,192 km (0.12 R)
• M7: 1,257,819 km (0.075 R)
• M8: 1,540,409 km (0.098 R)
• M9: 1,809,536 km (0.091 R)
• M10: 2,167,972 km (0.106 R)
• M11: 2,267,455 km (0.051 R)
• M12: 2,510,252 km (0.033 R)
• M13: 2,721,634 km (0.12 R)
• M14: 2,938,850 km (0.086 R)
• M15: 3,304,467 km (0.041 R)
• M16: 3,699,855 km (0.104 R)
• M17: 4,049,016 km (0.057 R)
• M18: 4,219,707 km (0.083 R)
• M19: 4,440,663 km (0.074 R)
• M20: 4,616,889 km (0.04 R)
• M21: 5,159,930 km (0.056 R)
• M22: 5,277,663 km (0.043 R)
• M23: 5,793,028 km (0.051 R)
• M24: 6,003,811 km (0.092 R)
• M25: 6,432,858 km (0.088 R)
• M26: 6,779,776 km (0.065 R)
• M27: 7,002,078 km (0.09 R)
• M28: 7,207,925 km (0.103 R)
• M29: 7,377,868 km (0.105 R)
• M30: 8,051,657 km (0.105 R)
• M31: 8,584,973 km (0.096 R)
• M32: 8,805,480 km (0.1 R)
• M33: 8,906,459 km (0.043 R)
• M34: 9,129,808 km (0.077 R)
• M35: 9,396,242 km (0.054 R)
• M36: 9,727,602 km (0.114 R)
• M37: 10,189,560 km (0.073 R)
• M38: 10,637,306 km (0.096 R)
• M39: 10,896,111 km (0.086 R)
• M40: 11,113,327 km (0.096 R)
• M41: 11,266,365 km (0.061 R)
• M42: 11,508,115 km (0.106 R)
• M43: 11,729,371 km (0.065 R)
• M44: 11,862,812 km (0.091 R)
• M45: 12,041,581 km (0.047 R)
• M46: 12,266,277 km (0.053 R)
• M47: 12,696,970 km (0.04 R)
• M48: 13,387,364 km (0.103 R)
• M49: 13,550,126 km (0.104 R)
• M50: 13,807,435 km (0.088 R)
• M51: 13,924,869 km (0.069 R)
• M52: 14,255,630 km (0.067 R)
• M53: 14,374,261 km (0.09 R)
• M54: 14,469,555 km (0.104 R)
• M55: 14,972,952 km (0.105 R)
• M56: 15,384,645 km (0.088 R)
• M57: 15,775,694 km (0.09 R)
• M58: 16,021,633 km (0.095 R)
• M59: 16,194,717 km (0.06 R)
• M60: 16,368,251 km (0.098 R)
• M61: 16,517,550 km (0.055 R)
• M62: 16,943,156 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687

Radius: 11.8

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.1 AU - 2.56 AU

Year: 2455 Days

Day: 7.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 38,838,521 km

• M1: 184,454 km (0.111 R)
• M2: 263,741 km (0.095 R)
• M3: 421,118 km (0.066 R)
• M4: 507,286 km (0.092 R)
• M5: 684,709 km (0.086 R)
• M6: 781,798 km (0.108 R)
• M7: 855,700 km (0.091 R)
• M8: 991,535 km (0.096 R)
• M9: 1,454,989 km (0.107 R)
• M10: 1,583,942 km (0.074 R)
• M11: 1,778,719 km (0.088 R)
• M12: 2,020,469 km (0.087 R)
• M13: 2,192,058 km (0.042 R)
• M14: 2,382,496 km (0.091 R)
• M15: 2,493,797 km (0.106 R)
• M16: 2,941,842 km (0.093 R)
• M17: 3,122,108 km (0.104 R)
• M18: 3,275,146 km (0.102 R)
• M19: 4,061,283 km (0.117 R)
• M20: 4,144,759 km (0.09 R)
• M21: 4,245,737 km (0.071 R)
• M22: 4,553,460 km (0.105 R)
• M23: 4,797,903 km (0.118 R)
• M24: 5,208,998 km (0.108 R)
• M25: 5,483,211 km (0.103 R)
• M26: 5,612,763 km (0.085 R)
• M27: 5,969,853 km (0.095 R)
• M28: 6,084,145 km (0.089 R)
• M29: 6,180,038 km (0.057 R)
• M30: 6,256,931 km (0.068 R)
• M31: 6,509,602 km (0.115 R)
• M32: 6,745,667 km (0.072 R)
• M33: 6,864,747 km (0.116 R)
• M34: 7,024,817 km (0.085 R)
• M35: 7,389,237 km (0.079 R)
• M36: 7,739,147 km (0.119 R)
• M37: 8,094,442 km (0.109 R)
• M38: 8,455,272 km (0.098 R)
• M39: 8,583,776 km (0.096 R)
• M40: 8,691,487 km (0.07 R)
• M41: 9,369,015 km (0.109 R)
• M42: 9,658,188 km (0.081 R)
• M43: 9,860,145 km (0.044 R)
• M44: 10,682,036 km (0.095 R)
• M45: 11,077,872 km (0.117 R)
• M46: 11,525,918 km (0.095 R)
• M47: 12,100,373 km (0.068 R)
• M48: 12,197,014 km (0.066 R)
• M49: 13,302,243 km (0.071 R)
• M50: 13,627,468 km (0.112 R)
• M51: 13,854,109 km (0.08 R)
• M52: 14,209,255 km (0.112 R)
• M53: 14,413,605 km (0.074 R)
• M54: 14,747,657 km (0.102 R)
• M55: 14,980,432 km (0.088 R)
• M56: 15,058,222 km (0.104 R)
• M57: 15,870,838 km (0.074 R)
• M58: 16,082,818 km (0.105 R)
• M59: 16,295,846 km (0.104 R)
• M60: 16,536,399 km (0.044 R)
• M61: 16,670,738 km (0.034 R)
• M62: 16,778,299 km (0.062 R)
• M63: 16,994,318 km (0.097 R)
• M64: 17,401,823 km (0.111 R)
• M65: 17,511,029 km (0.057 R)
• M66: 18,254,231 km (0.054 R)
• M67: 18,504,209 km (0.114 R)
• M68: 18,755,384 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.3

Radius: 14.3

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.19 AU - 4.25 AU

Year: 4953 Days

Day: 10.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 38,838,521 km

• M1: 239,955 km (0.094 R)
• M2: 369,058 km (0.052 R)
• M3: 568,921 km (0.1 R)
• M4: 859,440 km (0.05 R)
• M5: 1,116,898 km (0.072 R)
• M6: 1,269,787 km (0.076 R)
• M7: 1,370,915 km (0.096 R)
• M8: 1,691,952 km (0.103 R)
• M9: 1,804,450 km (0.12 R)
• M10: 1,936,245 km (0.1 R)
• M11: 2,227,512 km (0.095 R)
• M12: 2,700,990 km (0.102 R)
• M13: 3,266,170 km (0.111 R)
• M14: 3,428,783 km (0.063 R)
• M15: 3,698,658 km (0.091 R)
• M16: 3,804,423 km (0.072 R)
• M17: 4,149,695 km (0.119 R)
• M18: 4,259,799 km (0.113 R)
• M19: 4,393,091 km (0.101 R)
• M20: 4,527,879 km (0.062 R)
• M21: 4,778,605 km (0.114 R)
• M22: 5,413,349 km (0.097 R)
• M23: 5,777,769 km (0.066 R)
• M24: 6,025,204 km (0.073 R)
• M25: 6,225,665 km (0.097 R)
• M26: 6,479,383 km (0.096 R)
• M27: 7,208,074 km (0.111 R)
• M28: 7,367,546 km (0.073 R)
• M29: 7,582,218 km (0.073 R)
• M30: 7,826,063 km (0.04 R)
• M31: 7,962,795 km (0.118 R)
• M32: 8,686,251 km (0.12 R)
• M33: 8,913,191 km (0.057 R)
• M34: 9,170,798 km (0.101 R)
• M35: 9,285,989 km (0.117 R)
• M36: 9,430,799 km (0.077 R)
• M37: 9,634,851 km (0.08 R)
• M38: 9,781,457 km (0.096 R)
• M39: 10,616,362 km (0.096 R)
• M40: 11,380,957 km (0.111 R)
• M41: 11,536,090 km (0.057 R)
• M42: 11,629,439 km (0.063 R)
• M43: 11,911,282 km (0.114 R)
• M44: 12,068,659 km (0.057 R)
• M45: 12,163,504 km (0.068 R)
• M46: 13,320,942 km (0.102 R)
• M47: 13,846,629 km (0.116 R)
• M48: 14,412,558 km (0.082 R)
• M49: 14,546,897 km (0.111 R)
• M50: 14,681,685 km (0.115 R)
• M51: 14,816,772 km (0.074 R)
• M52: 15,774,198 km (0.067 R)
• M53: 16,365,409 km (0.099 R)
• M54: 16,681,210 km (0.111 R)
• M55: 17,247,887 km (0.081 R)
• M56: 17,641,179 km (0.082 R)
• M57: 17,820,846 km (0.086 R)
• M58: 18,218,328 km (0.081 R)
• M59: 18,728,606 km (0.112 R)
• M60: 19,206,571 km (0.057 R)
• M61: 19,800,475 km (0.12 R)
• M62: 20,249,867 km (0.114 R)
• M63: 20,475,760 km (0.074 R)
• M64: 21,772,025 km (0.065 R)
• M65: 22,507,897 km (0.105 R)
• M66: 22,663,778 km (0.12 R)
• M67: 22,859,303 km (0.109 R)
• M68: 23,765,716 km (0.097 R)
• M69: 23,884,796 km (0.061 R)
• M70: 24,043,968 km (0.111 R)
• M71: 24,925,249 km (0.09 R)
• M72: 25,127,057 km (0.075 R)
• M73: 25,248,530 km (0.045 R)
• M74: 25,654,389 km (0.113 R)
• M75: 25,858,142 km (0.117 R)
• M76: 26,967,709 km (0.063 R)
• M77: 27,507,458 km (0.084 R)
• M78: 28,050,947 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 169.5

Radius: 7

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 6.01 AU - 9.33 AU

Year: 14662 Days

Day: 16.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 38,838,521 km

• M1: 249,529 km (0.112 R)
• M2: 546,631 km (0.06 R)
• M3: 915,090 km (0.043 R)
• M4: 1,168,359 km (0.112 R)
• M5: 1,294,171 km (0.047 R)
• M6: 1,559,109 km (0.114 R)
• M7: 1,657,844 km (0.105 R)
• M8: 2,226,764 km (0.116 R)
• M9: 2,567,099 km (0.104 R)
• M10: 2,827,250 km (0.042 R)
• M11: 2,923,890 km (0.082 R)
• M12: 2,972,659 km (0.111 R)
• M13: 3,095,928 km (0.105 R)
• M14: 4,113,044 km (0.084 R)
• M15: 4,473,425 km (0.117 R)
• M16: 4,844,129 km (0.096 R)
• M17: 5,523,752 km (0.045 R)
• M18: 6,232,995 km (0.061 R)
• M19: 6,743,274 km (0.116 R)
• M20: 7,101,860 km (0.118 R)
• M21: 7,634,428 km (0.096 R)
• M22: 7,803,474 km (0.075 R)
• M23: 8,008,124 km (0.071 R)
• M24: 8,248,976 km (0.095 R)
• M25: 8,808,472 km (0.116 R)
• M26: 9,344,182 km (0.077 R)
• M27: 9,597,900 km (0.109 R)
• M28: 9,853,713 km (0.086 R)
• M29: 10,559,665 km (0.108 R)
• M30: 11,358,667 km (0.071 R)
• M31: 11,513,052 km (0.083 R)
• M32: 11,784,871 km (0.089 R)
• M33: 12,176,967 km (0.106 R)
• M34: 14,242,316 km (0.114 R)
• M35: 14,576,069 km (0.056 R)
• M36: 14,785,954 km (0.115 R)
• M37: 14,954,551 km (0.072 R)
• M38: 16,719,507 km (0.064 R)
• M39: 16,807,321 km (0.103 R)
• M40: 18,503,910 km (0.048 R)
• M41: 20,488,476 km (0.029 R)
• M42: 22,588,082 km (0.107 R)
• M43: 23,417,452 km (0.116 R)
• M44: 23,712,609 km (0.119 R)
• M45: 24,107,996 km (0.107 R)
• M46: 26,423,472 km (0.057 R)
• M47: 26,730,746 km (0.114 R)
• M48: 27,919,451 km (0.116 R)
• M49: 28,284,619 km (0.09 R)
• M50: 30,669,658 km (0.112 R)
• M51: 30,830,924 km (0.06 R)
• M52: 31,208,360 km (0.11 R)
• M53: 31,641,595 km (0.1 R)
• M54: 32,898,367 km (0.079 R)
• M55: 33,394,433 km (0.079 R)
• M56: 33,726,541 km (0.104 R)
• M57: 34,449,996 km (0.071 R)
• M58: 35,460,081 km (0.102 R)
• M59: 35,968,863 km (0.118 R)
• M60: 38,027,629 km (0.054 R)
• M61: 38,143,119 km (0.086 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 10,643 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit