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379769 (2011 HC25)
Classification: Outer Main-belt Asteroid          SPK-ID: 2379769
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0505768407519865 5.863e-08  
a 3.212791582113143 5.8117e-08 au
q 3.050298733895284 1.857e-07 au
i 9.627337864524796 7.6451e-06 deg
node 53.5277795902082 3.8422e-05 deg
peri 267.8196320494774 8.9666e-05 deg
M 109.2608729473566 8.1335e-05 deg
tp 2458362.112430505072
(2018-Aug-31.61243050)
0.00047722 TDB
period 2103.401874968585
5.76
5.7073e-05
1.563e-07
d
yr
n .1711513164860028 4.644e-09 deg/d
Q 3.375284430331002 6.1056e-08 au
  Orbit Determination Parameters
   # obs. used (total)      156  
   data-arc span      5761 days (15.77 yr)  
   first obs. used      2004-01-18  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6145  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 12:34:15  

Additional Information
 Earth MOID = 2.05835 au 
 Jupiter MOID = 1.80028 au 
 T_jup = 3.167 
[ 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 15.4   n/a MPO413415  
diameter diameter 4.484 km 1.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

379769 (2011 HC25)          Discovered 2010-May-06 by WISE at WISE
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 2011 HC25 = 2010 JS51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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