(2021 BQ1) |
Classification: Apollo [NEO] SPK-ID: 54106531 |
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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 2459233.5 (2021-Jan-19.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .5153992597414844 | 0.000809 | |
a | 2.038165321493962 | 0.003413 | au |
q | .9876964235652095 | 9.9392e-06 | au |
i | 6.337393226401759 | 0.0073779 | deg |
node | 118.2871699481959 | 0.00011569 | deg |
peri | 14.92481051459175 | 0.0065853 | deg |
M | 356.0936271224965 | 0.01017 | deg |
tp | 2459245.032639962389 (2021-Jan-30.53263996) | 0.0047744 | TDB |
period | 1062.814666354481 2.91 | 2.6696 0.007309 | d yr |
n | .3387232143068008 | 0.00085081 | deg/d |
Q | 3.088634219422714 | 0.005172 | 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 |
6.544822814795675E-7 |
4.073389659885377E-9 |
-5.318559658298623E-7 |
9.319430532094734E-8 |
2.359657739698566E-6 |
5.967986602753747E-6 |
q |
4.073389659885377E-9 |
9.878749002060641E-11 |
-4.38261970319797E-8 |
5.644632493862032E-10 |
-3.589914517917096E-8 |
3.722869822820218E-8 |
tp |
-5.318559658298623E-7 |
-4.38261970319797E-8 |
2.279476649976636E-5 |
-6.726096216783429E-8 |
2.600262944073307E-5 |
-4.893353095077089E-6 |
node |
9.319430532094734E-8 |
5.644632493862032E-10 |
-6.726096216783429E-8 |
1.33852158996149E-8 |
3.464679094391543E-7 |
8.505223936564403E-7 |
peri |
2.359657739698566E-6 |
-3.589914517917096E-8 |
2.600262944073307E-5 |
3.464679094391543E-7 |
4.336655660764304E-5 |
2.146169372238811E-5 |
i |
5.967986602753747E-6 |
3.722869822820218E-8 |
-4.893353095077089E-6 |
8.505223936564403E-7 |
2.146169372238811E-5 |
5.443275320487082E-5 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
27.9 |
|
.3098 |
E2021B84 |
autocmod 2.8 |
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