(2017 OK19)OBJECT DETAIL
IDENTITY
ID
3778654
MAG (H)
21.14
DIAMETER
0.157 – 0.352 km
HAZARD
no
ORBITAL ELEMENTS
ORBIT
8
OBSERVED
2017-07-25 → 2024-02-13
OBSERVATIONS
46
PERIOD
656.66 days
ECCENTRICITY
0.250
INCLINATION
24.52°
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: 657 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
54 recorded close approaches. Click any date to highlight that encounter on the orbit diagram above.
| Date | Velocity (km/s) | Miss (km) | LD | Body |
|---|---|---|---|---|
| 1900-02-19 | 12.75 | 495,323,36 | 164.66 | Earth |
| 1909-02-22 | 12.72 | 965,085,06 | 157.53 | Earth |
| 1909-07-21 | 18.44 | 003,011,86 | 177.11 | Earth |
| 1918-02-25 | 12.70 | 581,997,85 | 152.90 | Earth |
| 1918-07-20 | 17.26 | 151,051,06 | 156.41 | Earth |
| 1927-02-28 | 12.77 | 020,309,75 | 150.57 | Earth |
| 1927-07-20 | 16.21 | 197,172,35 | 138.52 | Earth |
| 1936-03-02 | 12.86 | 822,429,75 | 150.62 | Earth |
| 1936-07-19 | 15.37 | 199,295,74 | 123.76 | Earth |
| 1945-03-04 | 13.03 | 567,796,85 | 152.63 | Earth |
| 1945-07-20 | 14.67 | 385,891,34 | 112.33 | Earth |
| 1954-03-06 | 13.22 | 958,790,06 | 156.27 | Earth |
| 1954-07-20 | 14.10 | 593,000,04 | 104.01 | Earth |
| 1963-03-08 | 13.48 | 222,170,26 | 161.40 | Earth |
| 1963-07-21 | 13.63 | 342,540,83 | 98.93 | Earth |
| 1972-03-10 | 13.80 | 608,845,46 | 167.85 | Earth |
| 1972-07-21 | 13.24 | 216,422,73 | 96.80 | Earth |
| 1981-03-12 | 14.19 | 953,736,76 | 175.88 | Earth |
| 1981-07-22 | 12.91 | 675,507,73 | 98.05 | Earth |
| 1990-03-14 | 14.68 | 027,534,17 | 185.75 | Earth |
| 1990-07-23 | 12.66 | 699,683,93 | 102.42 | Earth |
| 1999-07-25 | 12.44 | 846,885,24 | 110.74 | Earth |
| 2008-07-26 | 12.31 | 733,099,64 | 122.19 | Earth |
| 2017-07-28 | 12.23 | 698,257,25 | 137.17 | Earth |
| 2026-07-31 | 12.20 | 745,562,95 | 154.11 | Earth |
| 2035-08-04 | 12.21 | 904,006,66 | 173.18 | Earth |
| 2044-08-07 | 12.20 | 727,278,37 | 192.09 | Earth |
| 2051-02-13 | 12.98 | 743,519,17 | 187.00 | Earth |
| 2060-02-17 | 12.86 | 074,509,76 | 176.57 | Earth |
| 2069-02-19 | 12.78 | 925,153,46 | 167.33 | Earth |
| 2078-02-23 | 12.71 | 612,616,16 | 160.22 | Earth |
| 2078-07-22 | 18.73 | 574,258,96 | 181.64 | Earth |
| 2087-02-26 | 12.71 | 593,696,95 | 155.23 | Earth |
| 2087-07-21 | 17.48 | 748,026,16 | 160.23 | Earth |
| 2096-02-29 | 12.73 | 762,267,85 | 152.80 | Earth |
| 2096-07-20 | 16.44 | 658,924,45 | 141.53 | Earth |
| 2105-03-03 | 12.82 | 041,966,85 | 152.56 | Earth |
| 2105-07-21 | 15.55 | 046,954,84 | 126.01 | Earth |
| 2114-03-06 | 12.96 | 187,553,95 | 154.34 | Earth |
| 2114-07-21 | 14.80 | 428,066,34 | 113.53 | Earth |
| 2123-03-08 | 13.13 | 835,686,06 | 157.80 | Earth |
| 2123-07-22 | 14.21 | 963,032,04 | 104.61 | Earth |
| 2132-03-09 | 13.36 | 446,445,26 | 162.64 | Earth |
| 2132-07-21 | 13.73 | 250,259,73 | 98.69 | Earth |
| 2141-03-12 | 13.64 | 622,029,46 | 168.81 | Earth |
| 2141-07-22 | 13.31 | 536,259,63 | 96.09 | Earth |
| 2150-03-14 | 13.98 | 480,397,76 | 176.28 | Earth |
| 2150-07-23 | 13.00 | 902,460,73 | 96.38 | Earth |
| 2159-03-16 | 14.42 | 874,214,17 | 185.69 | Earth |
| 2159-07-24 | 12.71 | 623,175,83 | 100.30 | Earth |
| 2168-07-25 | 12.50 | 921,472,14 | 107.33 | Earth |
| 2177-07-27 | 12.35 | 385,394,54 | 118.30 | Earth |
| 2186-07-29 | 12.25 | 899,417,05 | 131.87 | Earth |
| 2195-08-01 | 12.22 | 779,111,75 | 148.51 | Earth |