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507156 (2009 YE = 2010 HQ20)
Classification: Mars-crossing Asteroid          SPK-ID: 2507156
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3811054358548391 1.3606e-07  
a 2.648893933137095 7.81e-08 au
q 1.639386056215643 3.4176e-07 au
i 29.56380883383052 1.9493e-05 deg
node 82.43917302509226 1.6579e-05 deg
peri 110.4704440279093 4.7655e-05 deg
M 126.4186504253111 5.3539e-05 deg
tp 2458447.526997104767
(2018-Nov-25.02699710)
0.00021069 TDB
period 1574.690762577757
4.31
6.9642e-05
1.907e-07
d
yr
n .2286163153778096 1.0111e-08 deg/d
Q 3.658401810058547 1.0786e-07 au
  Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      3858 days (10.56 yr)  
   first obs. used      2008-12-22  
   last obs. used      2019-07-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46821  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 13:14:55  

Additional Information
 Earth MOID = .806503 au 
 Jupiter MOID = 2.02282 au 
 T_jup = 3.112 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a E2014B07  

507156 (2009 YE)          Discovered 2009-Dec-17 by CSS at Catalina
Reference: Last Updated: 2017-12-07

Alternate Designations
 2009 YE = 2010 HQ20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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