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42810 (1999 JP72)
Classification: Main-belt Asteroid          SPK-ID: 2042810
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1407407662768941 3.4679e-08  
a 2.355888735983252 8.6776e-09 au
q 2.024319150017866 8.2683e-08 au
i 10.33461018148894 3.8735e-06 deg
node 65.62999815907676 2.2593e-05 deg
peri 182.3397081843968 2.7442e-05 deg
M 278.4636724730517 1.7401e-05 deg
tp 2459299.643269651864
(2021-Mar-26.14326965)
6.4629e-05 TDB
period 1320.780323826557
3.62
7.2974e-06
1.998e-08
d
yr
n .2725661440480958 1.5059e-09 deg/d
Q 2.687458321948638 9.8989e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1472  
   data-arc span      24307 days (66.55 yr)  
   first obs. used      1953-10-10  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49166  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:09:13  

Additional Information
 Earth MOID = 1.01067 au 
 Jupiter MOID = 2.33699 au 
 T_jup = 3.519 
[ 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 14.6   n/a MPO459155  
diameter diameter 2.860 km 0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.451   0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

42810 (1999 JP72)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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