389694 (2011 QD48) |
Classification: Apollo [NEO, PHA] SPK-ID: 2389694 |
[ hide orbit diagram ]
For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 134 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .4922804033972327 | 5.2857e-08 | |
a | 1.545247113035306 | 8.669e-09 | au |
q | .7845522408818763 | 8.5079e-08 | au |
i | 19.06305872859988 | 1.2847e-05 | deg |
node | 358.8538804363293 | 1.0083e-05 | deg |
peri | 106.711828245378 | 1.1293e-05 | deg |
M | 115.7910892682591 | 9.6383e-06 | deg |
tp | 2458774.833040844628 (2019-Oct-18.33304084) | 1.7072e-05 | TDB |
period | 701.6093017980056 1.92 | 5.9041e-06 1.616e-08 | d yr |
n | .513106082085047 | 4.3179e-09 | deg/d |
Q | 2.305941985188735 | 1.2937e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
18.1 |
|
n/a |
MPO349069 |
|
diameter |
diameter |
0.451 |
km |
0.016 |
urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N) |
|
rotation period |
rot_per |
5.24 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Warner, B.D. (2016) Minor Planet Bull. 43, 66-79.] |
geometric albedo |
albedo |
0.456 |
|
0.056 |
urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N) |
|
|
389694 (2011 QD48) Discovered 2011-Aug-30 by Siding Spring Survey at Siding Spring |
Reference: | Last Updated: 2014-03-21 |
|
[ show close-approach data ]
|