(2011 ET74)OBJECT DETAIL
IDENTITY
ID
3559911
MAG (H)
26.20
DIAMETER
0.015 – 0.034 km
HAZARD
no
ORBITAL ELEMENTS
ORBIT
10
OBSERVED
2011-03-14 → 2011-04-13
OBSERVATIONS
20
PERIOD
452.84 days
ECCENTRICITY
0.215
INCLINATION
2.97°
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: 453 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
18 recorded close approaches. Click any date to highlight that encounter on the orbit diagram above.
| Date | Velocity (km/s) | Miss (km) | LD | Body |
|---|---|---|---|---|
| 1961-10-05 | 17.53 | 568,595,26 | 162.77 | Earth |
| 1989-06-28 | 6.89 | 306,762,65 | 146.31 | Earth |
| 1994-08-28 | 5.26 | 352,467,14 | 108.60 | Earth |
| 1995-03-07 | 6.65 | 037,800,7 | 18.22 | Earth |
| 1999-10-21 | 9.30 | 912,258,12 | 56.82 | Earth |
| 2000-05-18 | 5.72 | 729,116,74 | 123.81 | Earth |
| 2005-07-09 | 6.93 | 926,254,65 | 146.79 | Earth |
| 2010-09-03 | 4.98 | 579,637,93 | 103.33 | Earth |
| 2011-03-03 | 5.75 | 109,173,2 | 6.17 | Earth |
| 2016-04-15 | 3.74 | 439,918,43 | 90.54 | Earth |
| 2020-06-24 | 3.90 | 675,005,21 | 32.51 | Mars |
| 2020-10-19 | 10.59 | 172,720,82 | 72.88 | Earth |
| 2021-05-22 | 5.95 | 969,738,94 | 129.59 | Earth |
| 2025-10-07 | 18.08 | 757,103,56 | 169.80 | Earth |
| 2026-06-18 | 6.88 | 726,679,65 | 148.16 | Earth |
| 2031-07-12 | 7.02 | 243,217,75 | 150.07 | Earth |
| 2036-08-06 | 6.43 | 291,261,25 | 135.64 | Earth |
| 2037-03-20 | 13.01 | 139,651,93 | 101.82 | Earth |