(2011 DR) |
Classification: Amor [NEO] SPK-ID: 3557828 |
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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 2455617.5 (2011-Feb-25.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1324939126467949 | 0.00060509 | |
a | 1.182270207016066 | 0.0009748 | au |
q | 1.025626601482771 | 0.00013027 | au |
i | 10.58432916725691 | 0.037434 | deg |
node | 152.138326555214 | 0.00076783 | deg |
peri | 7.22144285766049 | 0.017993 | deg |
M | 357.18767646002 | 0.010008 | deg |
tp | 2455621.168059117671 (2011-Feb-28.66805912) | 0.017328 | TDB |
period | 469.5410266952918 1.29 | 0.58072 0.00159 | d yr |
n | .7667061652391488 | 0.00094824 | deg/d |
Q | 1.33891381254936 | 0.001104 | au |
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| | Orbit Determination Parameters
Additional Information
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[ hide covariance matrix ]
Orbit Covariance (6×6)
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|
e |
q |
tp |
node |
peri |
i |
e |
3.661355988788125E-7 |
7.882224470210396E-8 |
1.003699166639002E-5 |
-4.600170516900985E-7 |
1.042996078903327E-5 |
2.264975357646416E-5 |
q |
7.882224470210396E-8 |
1.696972062775258E-8 |
2.157562691572201E-6 |
-9.896715206899979E-8 |
2.242062632074251E-6 |
4.876424045055198E-6 |
tp |
1.003699166639002E-5 |
2.157562691572201E-6 |
.0003002586632872153 |
-1.313050822930529E-5 |
.0003117840074445571 |
.0006189388234735488 |
node |
-4.600170516900985E-7 |
-9.896715206899979E-8 |
-1.313050822930529E-5 |
5.895602814934644E-7 |
-1.364062970425571E-5 |
-2.841489895205346E-5 |
peri |
1.042996078903327E-5 |
2.242062632074251E-6 |
.0003117840074445571 |
-1.364062970425571E-5 |
.0003237545099230956 |
.0006431868877204175 |
i |
2.264975357646416E-5 |
4.876424045055198E-6 |
.0006189388234735488 |
-2.841489895205346E-5 |
.0006431868877204175 |
.001401340766200874 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
25.8 |
|
n/a |
MPO193822 |
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