🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.8

Radius: 12.5

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.62 AU - 0.98 AU

Year: 469 Days

Day: 9.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 35,441,230 km

• M1: 156,629 km (0.072 R)
• M2: 306,077 km (0.088 R)
• M3: 386,411 km (0.061 R)
• M4: 471,832 km (0.082 R)
• M5: 565,630 km (0.116 R)
• M6: 801,545 km (0.116 R)
• M7: 922,420 km (0.089 R)
• M8: 1,099,694 km (0.098 R)
• M9: 1,205,609 km (0.051 R)
• M10: 1,324,390 km (0.072 R)
• M11: 1,574,069 km (0.088 R)
• M12: 1,665,623 km (0.12 R)
• M13: 1,834,219 km (0.088 R)
• M14: 2,145,981 km (0.116 R)
• M15: 2,413,313 km (0.035 R)
• M16: 2,714,902 km (0.05 R)
• M17: 2,826,053 km (0.031 R)
• M18: 2,908,931 km (0.086 R)
• M19: 3,022,775 km (0.11 R)
• M20: 3,248,817 km (0.09 R)
• M21: 3,385,998 km (0.082 R)
• M22: 3,474,261 km (0.118 R)
• M23: 3,659,613 km (0.062 R)
• M24: 3,808,911 km (0.036 R)
• M25: 3,900,914 km (0.031 R)
• M26: 3,993,665 km (0.1 R)
• M27: 4,310,214 km (0.074 R)
• M28: 4,399,374 km (0.114 R)
• M29: 4,488,983 km (0.101 R)
• M30: 4,621,228 km (0.1 R)
• M31: 4,811,367 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.5

Radius: 8.8

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.79 AU - 0.95 AU

Year: 532 Days

Day: 7.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 35,441,230 km

• M1: 113,096 km (0.071 R)
• M2: 190,288 km (0.066 R)
• M3: 245,191 km (0.036 R)
• M4: 332,706 km (0.106 R)
• M5: 406,457 km (0.102 R)
• M6: 464,651 km (0.092 R)
• M7: 583,880 km (0.118 R)
• M8: 702,960 km (0.117 R)
• M9: 775,515 km (0.11 R)
• M10: 854,802 km (0.119 R)
• M11: 962,064 km (0.034 R)
• M12: 1,026,241 km (0.09 R)
• M13: 1,109,567 km (0.108 R)
• M14: 1,190,799 km (0.107 R)
• M15: 1,246,001 km (0.084 R)
• M16: 1,335,460 km (0.054 R)
• M17: 1,397,843 km (0.071 R)
• M18: 1,571,077 km (0.038 R)
• M19: 1,662,930 km (0.082 R)
• M20: 1,777,821 km (0.113 R)
• M21: 1,841,550 km (0.113 R)
• M22: 1,916,947 km (0.098 R)
• M23: 2,048,593 km (0.113 R)
• M24: 2,206,120 km (0.087 R)
• M25: 2,274,785 km (0.113 R)
• M26: 2,379,354 km (0.1 R)
• M27: 2,467,617 km (0.082 R)
• M28: 2,527,157 km (0.069 R)
• M29: 2,623,348 km (0.101 R)
• M30: 2,720,736 km (0.111 R)
• M31: 2,788,504 km (0.09 R)
• M32: 2,869,287 km (0.099 R)
• M33: 2,976,100 km (0.106 R)
• M34: 3,187,332 km (0.098 R)
• M35: 3,410,083 km (0.109 R)
• M36: 3,577,184 km (0.066 R)
• M37: 4,024,183 km (0.096 R)
• M38: 4,243,643 km (0.055 R)
• M39: 4,394,587 km (0.076 R)
• M40: 4,650,100 km (0.116 R)
• M41: 4,768,582 km (0.096 R)
• M42: 4,948,099 km (0.114 R)
• M43: 5,038,755 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.5

Radius: 9.3

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.83 AU - 1.85 AU

Year: 1637 Days

Day: 6.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 35,441,230 km

• M1: 217,216 km (0.104 R)
• M2: 313,856 km (0.118 R)
• M3: 468,391 km (0.054 R)
• M4: 550,071 km (0.088 R)
• M5: 729,439 km (0.104 R)
• M6: 862,432 km (0.092 R)
• M7: 935,884 km (0.109 R)
• M8: 1,218,475 km (0.032 R)
• M9: 1,318,705 km (0.083 R)
• M10: 1,378,544 km (0.112 R)
• M11: 1,536,669 km (0.082 R)
• M12: 1,645,427 km (0.113 R)
• M13: 1,747,602 km (0.117 R)
• M14: 1,871,021 km (0.114 R)
• M15: 1,987,557 km (0.111 R)
• M16: 2,187,270 km (0.064 R)
• M17: 2,372,772 km (0.054 R)
• M18: 2,467,467 km (0.098 R)
• M19: 2,541,967 km (0.1 R)
• M20: 2,649,827 km (0.074 R)
• M21: 2,825,605 km (0.096 R)
• M22: 3,235,054 km (0.107 R)
• M23: 3,364,007 km (0.088 R)
• M24: 3,423,098 km (0.081 R)
• M25: 3,627,000 km (0.12 R)
• M26: 3,736,506 km (0.064 R)
• M27: 3,884,309 km (0.119 R)
• M28: 4,071,755 km (0.032 R)
• M29: 4,313,505 km (0.108 R)
• M30: 4,403,862 km (0.091 R)
• M31: 4,468,638 km (0.097 R)
• M32: 4,612,551 km (0.12 R)
• M33: 4,678,374 km (0.084 R)
• M34: 4,771,274 km (0.098 R)
• M35: 4,864,624 km (0.098 R)
• M36: 4,958,721 km (0.118 R)
• M37: 5,066,880 km (0.09 R)
• M38: 5,230,690 km (0.081 R)
• M39: 5,299,505 km (0.078 R)
• M40: 5,732,740 km (0.115 R)
• M41: 6,119,450 km (0.045 R)
• M42: 6,411,316 km (0.075 R)
• M43: 6,558,969 km (0.097 R)
• M44: 6,887,785 km (0.089 R)
• M45: 6,963,332 km (0.103 R)
• M46: 7,283,472 km (0.079 R)
• M47: 7,344,956 km (0.078 R)
• M48: 7,670,780 km (0.051 R)
• M49: 7,780,436 km (0.067 R)
• M50: 7,859,124 km (0.062 R)
• M51: 7,922,254 km (0.057 R)
• M52: 8,096,686 km (0.109 R)
• M53: 8,256,456 km (0.088 R)
• M54: 8,546,676 km (0.097 R)
• M55: 8,988,139 km (0.086 R)
• M56: 9,153,595 km (0.092 R)
• M57: 9,303,342 km (0.102 R)
• M58: 9,588,476 km (0.084 R)
• M59: 9,689,753 km (0.091 R)
• M60: 9,876,451 km (0.082 R)
• M61: 10,132,862 km (0.103 R)
• M62: 10,201,677 km (0.118 R)
• M63: 10,460,930 km (0.052 R)
• M64: 10,547,847 km (0.11 R)
• M65: 10,792,439 km (0.119 R)
• M66: 11,092,084 km (0.103 R)
• M67: 11,162,993 km (0.08 R)
• M68: 11,234,052 km (0.098 R)
• M69: 11,376,469 km (0.082 R)
• M70: 11,447,977 km (0.102 R)
• M71: 11,537,586 km (0.032 R)
• M72: 11,699,451 km (0.095 R)
• M73: 12,299,339 km (0.044 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.7

Radius: 8.6

Gravity: 13.34 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.48 AU - 2.7 AU

Year: 2734 Days

Day: 14 Hours

Environment

Temp: -194 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 35,441,230 km

• M1: 110,702 km (0.116 R)
• M2: 309,368 km (0.089 R)
• M3: 376,089 km (0.09 R)
• M4: 573,109 km (0.034 R)
• M5: 689,497 km (0.108 R)
• M6: 771,626 km (0.066 R)
• M7: 1,074,262 km (0.097 R)
• M8: 1,158,636 km (0.065 R)
• M9: 1,321,548 km (0.086 R)
• M10: 1,492,089 km (0.104 R)
• M11: 1,614,460 km (0.098 R)
• M12: 1,782,907 km (0.1 R)
• M13: 1,971,999 km (0.099 R)
• M14: 2,449,216 km (0.104 R)
• M15: 2,513,394 km (0.042 R)
• M16: 2,594,326 km (0.112 R)
• M17: 3,168,483 km (0.056 R)
• M18: 3,344,709 km (0.067 R)
• M19: 3,434,019 km (0.11 R)
• M20: 3,615,182 km (0.1 R)
• M21: 4,158,222 km (0.111 R)
• M22: 4,587,120 km (0.085 R)
• M23: 4,969,043 km (0.103 R)
• M24: 5,153,497 km (0.086 R)
• M25: 5,870,819 km (0.101 R)
• M26: 6,351,626 km (0.115 R)
• M27: 6,686,726 km (0.102 R)
• M28: 7,327,603 km (0.104 R)
• M29: 7,467,477 km (0.118 R)
• M30: 7,797,340 km (0.06 R)
• M31: 7,916,420 km (0.11 R)
• M32: 8,398,275 km (0.102 R)
• M33: 8,471,428 km (0.087 R)
• M34: 8,667,551 km (0.111 R)
• M35: 9,039,152 km (0.088 R)
• M36: 9,289,729 km (0.105 R)
• M37: 9,441,271 km (0.091 R)
• M38: 10,656,305 km (0.071 R)
• M39: 11,027,607 km (0.117 R)
• M40: 11,457,252 km (0.12 R)
• M41: 12,167,094 km (0.116 R)
• M42: 12,249,971 km (0.076 R)
• M43: 12,471,675 km (0.111 R)
• M44: 12,806,924 km (0.089 R)
• M45: 12,975,521 km (0.057 R)
• M46: 13,201,713 km (0.101 R)
• M47: 13,258,410 km (0.109 R)
• M48: 13,343,681 km (0.073 R)
• M49: 13,629,114 km (0.065 R)
• M50: 13,887,769 km (0.112 R)
• M51: 14,177,091 km (0.097 R)
• M52: 14,849,982 km (0.115 R)
• M53: 15,533,345 km (0.095 R)
• M54: 15,593,334 km (0.116 R)
• M55: 15,773,450 km (0.083 R)
• M56: 16,075,338 km (0.082 R)
• M57: 16,318,136 km (0.085 R)
• M58: 16,379,172 km (0.105 R)
• M59: 16,746,135 km (0.061 R)
• M60: 17,239,808 km (0.104 R)
• M61: 17,394,941 km (0.117 R)
• M62: 18,178,086 km (0.091 R)
• M63: 18,621,644 km (0.083 R)
• M64: 18,717,237 km (0.054 R)
• M65: 18,812,830 km (0.11 R)
• M66: 19,358,114 km (0.093 R)
• M67: 19,811,096 km (0.051 R)
• M68: 20,136,771 km (0.118 R)
• M69: 20,398,567 km (0.105 R)
• M70: 20,595,737 km (0.058 R)
• M71: 21,224,048 km (0.1 R)
• M72: 21,590,713 km (0.109 R)
• M73: 21,791,623 km (0.105 R)
• M74: 21,925,962 km (0.087 R)
• M75: 22,060,450 km (0.095 R)
• M76: 22,364,283 km (0.079 R)
• M77: 22,805,447 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 114

Radius: 6.5

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 6.49 AU - 8.77 AU

Year: 13826 Days

Day: 21.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (53)

Outer Limit: 35,441,230 km

• M1: 113,545 km (0.087 R)
• M2: 501,901 km (0.111 R)
• M3: 560,543 km (0.103 R)
• M4: 976,874 km (0.07 R)
• M5: 1,144,125 km (0.06 R)
• M6: 1,239,269 km (0.107 R)
• M7: 1,353,711 km (0.058 R)
• M8: 1,593,217 km (0.027 R)
• M9: 1,772,436 km (0.11 R)
• M10: 1,920,537 km (0.114 R)
• M11: 2,169,917 km (0.08 R)
• M12: 4,087,762 km (0.09 R)
• M13: 5,020,953 km (0.059 R)
• M14: 5,687,412 km (0.083 R)
• M15: 6,296,724 km (0.074 R)
• M16: 6,695,253 km (0.049 R)
• M17: 7,160,652 km (0.055 R)
• M18: 7,337,925 km (0.118 R)
• M19: 8,030,713 km (0.115 R)
• M20: 8,307,469 km (0.087 R)
• M21: 8,933,686 km (0.041 R)
• M22: 9,060,694 km (0.049 R)
• M23: 9,607,474 km (0.107 R)
• M24: 10,198,087 km (0.029 R)
• M25: 10,598,261 km (0.089 R)
• M26: 10,867,837 km (0.114 R)
• M27: 11,310,945 km (0.093 R)
• M28: 12,074,044 km (0.049 R)
• M29: 12,426,497 km (0.076 R)
• M30: 12,710,882 km (0.087 R)
• M31: 13,249,734 km (0.109 R)
• M32: 16,753,765 km (0.111 R)
• M33: 16,989,232 km (0.114 R)
• M34: 19,980,890 km (0.104 R)
• M35: 20,481,145 km (0.116 R)
• M36: 21,536,558 km (0.087 R)
• M37: 22,092,464 km (0.107 R)
• M38: 22,350,520 km (0.113 R)
• M39: 23,218,038 km (0.12 R)
• M40: 23,436,750 km (0.085 R)
• M41: 25,615,045 km (0.073 R)
• M42: 25,660,224 km (0.084 R)
• M43: 27,210,207 km (0.107 R)
• M44: 27,440,737 km (0.093 R)
• M45: 27,857,218 km (0.115 R)
• M46: 28,369,142 km (0.1 R)
• M47: 28,556,139 km (0.119 R)
• M48: 29,260,745 km (0.081 R)
• M49: 29,307,868 km (0.086 R)
• M50: 29,971,036 km (0.113 R)
• M51: 30,018,608 km (0.085 R)
• M52: 30,735,032 km (0.095 R)
• M53: 32,672,773 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 656.6

Radius: 6.5

Gravity: 15.54 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 8 AU - 8.04 AU

Year: 14899 Days

Day: 19.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 35,441,230 km

• M1: 90,956 km (0.047 R)
• M2: 193,879 km (0.096 R)
• M3: 309,817 km (0.109 R)
• M4: 573,409 km (0.069 R)
• M5: 629,807 km (0.093 R)
• M6: 810,970 km (0.117 R)
• M7: 1,008,439 km (0.083 R)
• M8: 1,148,612 km (0.027 R)
• M9: 1,688,212 km (0.034 R)
• M10: 2,086,591 km (0.115 R)
• M11: 2,296,627 km (0.039 R)
• M12: 2,357,812 km (0.106 R)
• M13: 2,769,356 km (0.042 R)
• M14: 2,966,825 km (0.113 R)
• M15: 3,033,695 km (0.061 R)
• M16: 3,586,459 km (0.058 R)
• M17: 3,874,585 km (0.098 R)
• M18: 4,358,534 km (0.094 R)
• M19: 4,627,062 km (0.058 R)
• M20: 4,822,138 km (0.096 R)
• M21: 4,900,976 km (0.112 R)
• M22: 5,059,849 km (0.05 R)
• M23: 5,139,884 km (0.108 R)
• M24: 5,301,449 km (0.109 R)
• M25: 5,921,682 km (0.113 R)
• M26: 6,048,541 km (0.075 R)
• M27: 6,521,270 km (0.085 R)
• M28: 7,139,858 km (0.094 R)
• M29: 7,410,779 km (0.113 R)
• M30: 8,009,320 km (0.088 R)
• M31: 8,623,270 km (0.045 R)
• M32: 9,057,253 km (0.086 R)
• M33: 9,154,642 km (0.102 R)
• M34: 9,448,901 km (0.114 R)
• M35: 9,896,049 km (0.066 R)
• M36: 10,605,442 km (0.081 R)
• M37: 10,656,754 km (0.097 R)
• M38: 11,700,049 km (0.055 R)
• M39: 12,557,844 km (0.077 R)
• M40: 12,612,148 km (0.054 R)
• M41: 12,666,452 km (0.032 R)
• M42: 13,380,333 km (0.077 R)
• M43: 13,882,084 km (0.083 R)
• M44: 14,107,229 km (0.106 R)
• M45: 14,163,627 km (0.117 R)
• M46: 14,220,175 km (0.107 R)
• M47: 14,961,732 km (0.115 R)
• M48: 16,126,950 km (0.104 R)
• M49: 17,442,214 km (0.093 R)
• M50: 17,624,275 km (0.119 R)
• M51: 18,481,919 km (0.083 R)
• M52: 18,605,487 km (0.092 R)
• M53: 19,730,613 km (0.045 R)
• M54: 20,110,442 km (0.065 R)
• M55: 20,620,720 km (0.09 R)
• M56: 20,877,430 km (0.056 R)
• M57: 26,507,995 km (0.109 R)
• M58: 26,787,144 km (0.056 R)
• M59: 28,411,029 km (0.066 R)
• M60: 29,270,918 km (0.087 R)
• M61: 29,776,559 km (0.116 R)
• M62: 30,212,188 km (0.105 R)
• M63: 30,649,911 km (0.073 R)
• M64: 31,016,276 km (0.092 R)
• M65: 33,999,258 km (0.118 R)
• M66: 34,226,646 km (0.093 R)
• M67: 34,835,360 km (0.117 R)
• M68: 36,295,735 km (0.104 R)
• M69: 39,116,851 km (0.1 R)
• M70: 42,904,669 km (0.102 R)
• M71: 43,232,438 km (0.035 R)
• M72: 44,055,376 km (0.083 R)
• M73: 44,717,496 km (0.042 R)
• M74: 45,884,061 km (0.06 R)
• M75: 47,398,589 km (0.099 R)
• M76: 48,929,424 km (0.084 R)
• M77: 49,700,901 km (0.052 R)
• M78: 50,217,612 km (0.114 R)
• M79: 50,562,884 km (0.115 R)
• M80: 52,214,145 km (0.082 R)
• M81: 52,651,719 km (0.117 R)
• M82: 52,914,712 km (0.078 R)
• M83: 55,212,984 km (0.108 R)
• M84: 55,926,566 km (0.046 R)
• M85: 57,363,154 km (0.04 R)
• M86: 58,267,174 km (0.102 R)
• M87: 59,540,551 km (0.115 R)
• M88: 60,731,200 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 59.4

Radius: 6.6

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 8.89 AU - 11.65 AU

Year: 21591 Days

Day: 24.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 35,441,230 km

• M1: 453,880 km (0.097 R)
• M2: 601,683 km (0.108 R)
• M3: 1,133,802 km (0.095 R)
• M4: 1,588,879 km (0.047 R)
• M5: 2,302,760 km (0.115 R)
• M6: 2,495,143 km (0.084 R)
• M7: 2,626,340 km (0.077 R)
• M8: 2,850,139 km (0.12 R)
• M9: 3,484,882 km (0.063 R)
• M10: 3,705,838 km (0.119 R)
• M11: 3,755,655 km (0.097 R)
• M12: 4,635,290 km (0.1 R)
• M13: 5,015,269 km (0.083 R)
• M14: 5,349,021 km (0.096 R)
• M15: 5,433,694 km (0.072 R)
• M16: 5,632,659 km (0.103 R)
• M17: 5,921,233 km (0.079 R)
• M18: 6,155,653 km (0.114 R)
• M19: 6,273,836 km (0.117 R)
• M20: 7,309,651 km (0.081 R)
• M21: 7,435,014 km (0.06 R)
• M22: 7,975,661 km (0.115 R)
• M23: 8,266,928 km (0.094 R)
• M24: 8,495,962 km (0.111 R)
• M25: 9,637,843 km (0.094 R)
• M26: 9,913,552 km (0.076 R)
• M27: 10,261,666 km (0.101 R)
• M28: 10,507,904 km (0.08 R)
• M29: 10,720,333 km (0.109 R)
• M30: 11,185,732 km (0.097 R)
• M31: 11,548,208 km (0.097 R)
• M32: 11,657,713 km (0.091 R)
• M33: 12,922,414 km (0.088 R)
• M34: 13,188,249 km (0.104 R)
• M35: 13,725,305 km (0.101 R)
• M36: 14,820,511 km (0.107 R)
• M37: 16,147,145 km (0.086 R)
• M38: 17,511,328 km (0.088 R)
• M39: 18,228,351 km (0.116 R)
• M40: 18,526,500 km (0.097 R)
• M41: 19,517,137 km (0.101 R)
• M42: 19,909,382 km (0.095 R)
• M43: 20,436,565 km (0.071 R)
• M44: 21,370,205 km (0.066 R)
• M45: 22,000,162 km (0.116 R)
• M46: 22,135,997 km (0.109 R)
• M47: 22,272,131 km (0.116 R)
• M48: 24,299,781 km (0.05 R)
• M49: 25,573,008 km (0.085 R)
• M50: 26,050,076 km (0.105 R)
• M51: 26,193,839 km (0.093 R)
• M52: 26,433,794 km (0.109 R)
• M53: 26,916,098 km (0.051 R)
• M54: 27,694,007 km (0.089 R)
• M55: 27,889,531 km (0.108 R)
• M56: 28,676,565 km (0.081 R)
• M57: 31,999,134 km (0.081 R)
• M58: 33,809,867 km (0.067 R)
• M59: 34,123,574 km (0.102 R)
• M60: 34,228,442 km (0.119 R)
• M61: 35,176,294 km (0.11 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: 287 - 18,401 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit