(2015 XT378)OBJECT DETAIL
IDENTITY
ID
3736805
MAG (H)
27.90
DIAMETER
0.007 – 0.016 km
HAZARD
no
ORBITAL ELEMENTS
ORBIT
4
OBSERVED
2015-12-13 → 2015-12-16
OBSERVATIONS
12
PERIOD
331.48 days
ECCENTRICITY
0.234
INCLINATION
5.69°
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: 331 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
66 recorded close approaches. Click any date to highlight that encounter on the orbit diagram above.
| Date | Velocity (km/s) | Miss (km) | LD | Body |
|---|---|---|---|---|
| 2003-12-26 | 21.42 | 493,677,76 | 176.24 | Earth |
| 2004-12-09 | 7.94 | 973,567 | 1.99 | Moon |
| 2004-12-09 | 7.56 | 440,139 | 2.42 | Earth |
| 2005-08-23 | 9.41 | 060,724,44 | 115.52 | Earth |
| 2006-03-29 | 4.75 | 250,360,42 | 62.57 | Earth |
| 2006-05-15 | 4.86 | 652,893,42 | 63.44 | Earth |
| 2007-04-05 | 18.40 | 940,444,55 | 144.17 | Earth |
| 2015-12-09 | 7.69 | 703,528 | 2.15 | Moon |
| 2015-12-10 | 7.58 | 936,668 | 2.25 | Earth |
| 2016-08-15 | 9.74 | 777,305,54 | 118.32 | Earth |
| 2017-04-20 | 5.68 | 650,642,51 | 39.64 | Earth |
| 2021-01-31 | 6.28 | 069,135,11 | 29.99 | Venus |
| 2024-12-25 | 21.67 | 995,537,86 | 178.73 | Earth |
| 2025-12-19 | 5.46 | 941,676,51 | 40.76 | Earth |
| 2026-07-30 | 9.67 | 501,687,44 | 116.46 | Earth |
| 2027-04-16 | 8.61 | 412,510,31 | 33.84 | Earth |
| 2034-12-19 | 17.11 | 195,687,64 | 121.66 | Earth |
| 2035-10-10 | 6.54 | 041,045,63 | 95.02 | Earth |
| 2036-01-26 | 6.04 | 814,405,72 | 71.52 | Earth |
| 2036-07-05 | 8.66 | 749,037,04 | 105.91 | Earth |
| 2037-04-09 | 13.25 | 274,801,13 | 80.89 | Earth |
| 2038-06-19 | 7.14 | 662,675,71 | 45.70 | Venus |
| 2040-02-19 | 11.98 | 940,316,71 | 45.80 | Venus |
| 2044-12-13 | 12.49 | 215,353,42 | 63.33 | Earth |
| 2045-09-10 | 8.78 | 401,813,34 | 112.64 | Earth |
| 2046-02-27 | 5.75 | 010,392,82 | 73.57 | Earth |
| 2046-06-06 | 6.54 | 861,684,23 | 84.47 | Earth |
| 2047-04-03 | 17.70 | 528,960,25 | 135.40 | Earth |
| 2054-12-10 | 8.24 | 200,287,2 | 7.23 | Earth |
| 2055-08-22 | 9.55 | 515,101,54 | 117.28 | Earth |
| 2056-04-11 | 4.36 | 442,945,12 | 56.03 | Earth |
| 2057-04-01 | 20.24 | 503,769,36 | 166.33 | Earth |
| 2057-05-18 | 7.17 | 128,248,8 | 22.99 | Venus |
| 2064-12-12 | 11.61 | 284,809,91 | 51.77 | Earth |
| 2067-04-06 | 16.80 | 139,307,74 | 124.04 | Earth |
| 2074-12-17 | 15.35 | 650,323,83 | 99.65 | Earth |
| 2077-04-11 | 13.04 | 638,490,03 | 78.26 | Earth |
| 2081-12-22 | 10.35 | 361,490,31 | 34.05 | Venus |
| 2084-12-22 | 19.69 | 549,572,95 | 154.14 | Earth |
| 2087-04-17 | 9.02 | 834,337,31 | 35.71 | Earth |
| 2094-12-26 | 22.12 | 830,009,07 | 184.36 | Earth |
| 2095-12-14 | 5.74 | 919,676,11 | 30.36 | Earth |
| 2096-08-06 | 9.70 | 032,870,54 | 117.22 | Earth |
| 2097-04-19 | 7.12 | 039,426,11 | 30.23 | Earth |
| 2102-11-28 | 6.11 | 112,094,21 | 32.48 | Venus |
| 2104-09-25 | 12.75 | 953,125,02 | 53.36 | Venus |
| 2105-12-11 | 6.86 | 710,527,4 | 12.29 | Earth |
| 2106-08-13 | 9.75 | 836,074,54 | 118.24 | Earth |
| 2107-04-21 | 6.09 | 307,967,31 | 35.81 | Earth |
| 2114-12-27 | 22.26 | 320,534,17 | 185.75 | Earth |
| 2115-12-16 | 5.64 | 109,087,21 | 33.23 | Earth |
| 2116-08-04 | 9.70 | 777,931,54 | 117.38 | Earth |
| 2117-04-18 | 7.81 | 312,565,11 | 30.07 | Earth |
| 2121-12-27 | 5.60 | 081,815,61 | 42.95 | Venus |
| 2123-10-21 | 12.69 | 639,170,02 | 52.19 | Venus |
| 2124-12-23 | 19.61 | 090,938,85 | 153.00 | Earth |
| 2126-07-21 | 9.35 | 677,626,34 | 113.44 | Earth |
| 2127-04-15 | 10.46 | 745,197,81 | 48.86 | Earth |
| 2134-12-19 | 15.82 | 791,264,04 | 105.21 | Earth |
| 2137-04-09 | 14.33 | 271,689,53 | 93.58 | Earth |
| 2141-01-14 | 8.52 | 897,144,8 | 21.95 | Venus |
| 2144-12-14 | 11.84 | 287,021,12 | 54.92 | Earth |
| 2147-04-04 | 18.25 | 892,725,45 | 141.79 | Earth |
| 2154-12-11 | 7.99 | 811,493,1 | 3.63 | Earth |
| 2154-12-11 | 7.08 | 778,640,1 | 2.72 | Moon |
| 2192-02-08 | 7.70 | 065,148,8 | 22.99 | Venus |