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JPL Small-Body Database Browser
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441895 (2010 EM)
Classification: Main-belt Asteroid          SPK-ID: 2441895
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1107327101253756 9.4718e-08  
a 2.544666507293395 3.7873e-08 au
q 2.262888688575523 2.4718e-07 au
i 24.74183283133139 9.5582e-06 deg
node 118.9295371732116 2.661e-05 deg
peri 62.56403644842489 6.4493e-05 deg
M 124.4766637862406 5.7316e-05 deg
tp 2458087.839122538865
(2017-Nov-30.33912254)
0.00023602 TDB
period 1482.670809710513
4.06
3.3101e-05
9.063e-08
d
yr
n .2428050769208094 5.4206e-09 deg/d
Q 2.826444326011266 4.2067e-08 au
  Orbit Determination Parameters
   # obs. used (total)      114  
   data-arc span      6358 days (17.41 yr)  
   first obs. used      2001-01-15  
   last obs. used      2018-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58256  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 12:16:33  

Additional Information
 Earth MOID = 1.34924 au 
 Jupiter MOID = 2.36314 au 
 T_jup = 3.307 
[ 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 16.3   n/a MPO440828  
diameter diameter 2.989 km 0.141 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

441895 (2010 EM)          Discovered 2010-Mar-01 by WISE at WISE
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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