(2018 YA)OBJECT DETAIL
IDENTITY
ID
3836939
MAG (H)
24.30
DIAMETER
0.037 – 0.082 km
HAZARD
no
ORBITAL ELEMENTS
ORBIT
4
OBSERVED
2018-12-16 → 2019-02-06
OBSERVATIONS
13
PERIOD
495.15 days
ECCENTRICITY
0.133
INCLINATION
9.34°
ORBIT DIAGRAM
Sun-centered map with AU grid. The asteroid orbit is drawn with its real eccentricity. Click any close-approach date below to highlight the encounter point on the map.
Orbital period: 495 days. Animation: 1 full revolution = 20 s real time.
Sun (focus)Earth orbit (1 AU)Earth (animated, 365.25 d period)NEO orbitNEO position (animated, 1 cycle = 20 s)Perihelion (q): closest to SunAphelion (Q): farthest from SunTime tick: quarter-period intervalAU grid ring
CLOSE APPROACHES
33 recorded close approaches. Click any date to highlight that encounter on the orbit diagram above.
| Date | Velocity (km/s) | Miss (km) | LD | Body |
|---|---|---|---|---|
| 1919-12-05 | 5.16 | 350,935,41 | 37.81 | Earth |
| 1961-11-24 | 7.28 | 420,620,03 | 78.08 | Earth |
| 1969-05-16 | 6.97 | 091,933,85 | 151.70 | Earth |
| 1980-11-30 | 5.65 | 780,868,61 | 43.86 | Earth |
| 1984-07-07 | 5.98 | 278,167,34 | 113.79 | Earth |
| 1988-05-26 | 6.97 | 365,353,65 | 146.54 | Earth |
| 1992-04-15 | 6.32 | 146,018,06 | 158.13 | Earth |
| 1996-02-18 | 4.49 | 861,161,05 | 130.43 | Earth |
| 1999-12-06 | 5.08 | 417,776,41 | 38.17 | Earth |
| 2003-07-19 | 5.49 | 595,287,04 | 106.05 | Earth |
| 2007-06-05 | 6.91 | 458,970,45 | 140.62 | Earth |
| 2011-04-26 | 6.62 | 483,096,06 | 157.81 | Earth |
| 2015-03-07 | 4.86 | 336,537,45 | 142.33 | Earth |
| 2018-12-17 | 4.91 | 791,363,22 | 58.15 | Earth |
| 2022-08-04 | 4.55 | 836,460,73 | 96.38 | Earth |
| 2022-11-18 | 8.96 | 828,640,44 | 114.54 | Earth |
| 2026-06-16 | 6.72 | 399,036,05 | 131.66 | Earth |
| 2030-05-08 | 6.87 | 393,636,95 | 155.07 | Earth |
| 2034-03-25 | 5.53 | 467,444,85 | 151.97 | Earth |
| 2038-01-11 | 4.68 | 878,715,63 | 94.96 | Earth |
| 2041-11-26 | 6.78 | 519,059,52 | 67.48 | Earth |
| 2045-06-29 | 6.32 | 758,145,64 | 121.02 | Earth |
| 2049-05-20 | 6.98 | 198,377,75 | 150.23 | Earth |
| 2053-04-08 | 6.07 | 748,442,06 | 156.65 | Earth |
| 2057-02-06 | 4.37 | 550,341,64 | 119.99 | Earth |
| 2060-12-02 | 5.46 | 619,004,51 | 40.05 | Earth |
| 2064-07-11 | 5.87 | 305,780,34 | 112.04 | Earth |
| 2068-05-29 | 6.99 | 456,737,55 | 144.93 | Earth |
| 2072-04-18 | 6.44 | 562,727,06 | 157.91 | Earth |
| 2079-12-08 | 5.00 | 397,854,51 | 40.20 | Earth |
| 2102-11-22 | 8.43 | 368,163,93 | 102.35 | Earth |
| 2121-11-29 | 6.30 | 834,000,22 | 57.21 | Earth |
| 2140-12-04 | 5.27 | 861,334,41 | 37.53 | Earth |