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JPL Small-Body Database Browser
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495858 (2003 MJ4)
Classification: Apollo [NEO]          SPK-ID: 2495858
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 92 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5617118271648447 2.2886e-08  
a 2.303934817188125 4.7446e-09 au
q 1.009787381356681 5.244e-08 au
i 5.310348793074027 6.0205e-06 deg
node 77.49466857989549 3.6602e-05 deg
peri 271.7103314488286 4.1947e-05 deg
M 168.6710633459621 5.1871e-06 deg
tp 2458002.030818925508
(2017-Sep-05.53081893)
1.8415e-05 TDB
period 1277.331753964867
3.50
3.9457e-06
1.08e-08
d
yr
n .2818375092316868 8.706e-10 deg/d
Q 3.598082253019569 7.4097e-09 au
  Orbit Determination Parameters
   # obs. used (total)      393  
   data-arc span      5296 days (14.50 yr)  
   first obs. used      2003-06-27  
   last obs. used      2017-12-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43218  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-09 06:32:59  

Additional Information
 Earth MOID = .091999 au 
 Jupiter MOID = 1.86315 au 
 T_jup = 3.355 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.8   n/a MPO192393  
diameter diameter 0.342 km 0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2012ApJ...760L..12M)  
geometric albedo albedo 0.548   0.183 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2012ApJ...760L..12M)  

495858 (2003 MJ4)          Discovered 2003-Jun-27 by LINEAR at Socorro
Reference: Last Updated: 2017-07-11

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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