(2011 DW) |
Classification: Aten [NEO] SPK-ID: 3557844 |
[ 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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .27531353309318 | 6.2961e-07 | |
a | .8397247452908135 | 2.0051e-09 | au |
q | .608537158839029 | 5.2745e-07 | au |
i | 25.08412051977101 | 9.904e-05 | deg |
node | 159.5554680273719 | 3.9744e-06 | deg |
peri | 152.6463178793201 | 9.9566e-05 | deg |
M | 130.7563966862741 | 0.0001972 | deg |
tp | 2459098.414444324560 (2020-Sep-05.91444432) | 0.00015421 | TDB |
period | 281.0631141154436 0.77 | 1.0067e-06 2.756e-09 | d yr |
n | 1.280851103969957 | 4.5877e-09 | deg/d |
Q | 1.070912331742598 | 2.5572e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
22.87 |
|
n/a |
E2021-DA1 |
|
|
[ show close-approach data ]
|