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245076 (2004 HC64)
Classification: Outer Main-belt Asteroid          SPK-ID: 2245076
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1102094045025358 5.6636e-08  
a 3.252772999593455 4.917e-08 au
q 2.894286824326333 1.8382e-07 au
i 17.22624829440382 7.1564e-06 deg
node 178.1285832122114 1.9919e-05 deg
peri 77.89530018284792 3.9131e-05 deg
M 250.2514157617917 3.5183e-05 deg
tp 2459653.744086787730
(2022-Mar-15.24408679)
0.00021645 TDB
period 2142.787288564499
5.87
4.8587e-05
1.33e-07
d
yr
n .1680054767550782 3.8095e-09 deg/d
Q 3.611259174860576 5.4589e-08 au
  Orbit Determination Parameters
   # obs. used (total)      221  
   data-arc span      7564 days (20.71 yr)  
   first obs. used      1998-04-24  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59189  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:32:50  

Additional Information
 Earth MOID = 1.94403 au 
 Jupiter MOID = 1.57383 au 
 T_jup = 3.101 
[ 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 15.1   n/a MPO422952  
diameter diameter 5.044 km 0.230 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

245076 (2004 HC64)          Discovered 2004-Apr-25 by Spacewatch at Kitt Peak
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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