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344444 (2002 HM3)
Classification: Main-belt Asteroid          SPK-ID: 2344444
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2048018289494177 7.914e-08  
a 2.604916266456437 1.8035e-08 au
q 2.07142465082607 2.0069e-07 au
i 14.7319045331285 9.3489e-06 deg
node 59.94756160313464 2.2852e-05 deg
peri 157.8845428935667 3.0101e-05 deg
M 12.22413566331216 1.7367e-05 deg
tp 2458548.355952501491
(2019-Mar-05.85595250)
7.3997e-05 TDB
period 1535.638806414967
4.20
1.5948e-05
4.366e-08
d
yr
n .2344301267304124 2.4346e-09 deg/d
Q 3.138407882086804 2.1729e-08 au
  Orbit Determination Parameters
   # obs. used (total)      185  
   data-arc span      6289 days (17.22 yr)  
   first obs. used      2002-04-12  
   last obs. used      2019-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62646  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:30:49  

Additional Information
 Earth MOID = 1.0695 au 
 Jupiter MOID = 1.86238 au 
 T_jup = 3.337 
[ 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 16.3   n/a MPO434166  
diameter diameter 2.722 km 0.371 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

344444 (2002 HM3)          Discovered 2002-Apr-16 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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