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442597 (2012 DN7)
Classification: Main-belt Asteroid          SPK-ID: 2442597
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1505280758366987 6.4362e-08  
a 3.133904938999556 8.7772e-08 au
q 2.662164258676826 2.4524e-07 au
i 9.921181025504941 6.6037e-06 deg
node 130.2531269280846 4.0551e-05 deg
peri 300.8746961371398 5.6502e-05 deg
M 171.7802074595341 4.8762e-05 deg
tp 2457633.563894208011
(2016-Sep-02.06389421)
0.00024279 TDB
period 2026.409230918624
5.55
8.5131e-05
2.331e-07
d
yr
n .1776541453262146 7.4634e-09 deg/d
Q 3.605645619322285 1.0098e-07 au
  Orbit Determination Parameters
   # obs. used (total)      153  
   data-arc span      3254 days (8.91 yr)  
   first obs. used      2010-08-08  
   last obs. used      2019-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57646  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:50  

Additional Information
 Earth MOID = 1.69356 au 
 Jupiter MOID = 1.71287 au 
 T_jup = 3.172 
[ 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 15.8   n/a MPO437722  
diameter diameter 3.237 km 0.494 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.074   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

442597 (2012 DN7)          Discovered 2010-Aug-08 by WISE at WISE
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2012 DN7 = 2010 PK55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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