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199696 (2006 HD31)
Classification: Main-belt Asteroid          SPK-ID: 2199696
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1467483651739317 5.6229e-08  
a 3.09644404607604 3.6048e-08 au
q 2.642045944461827 1.8185e-07 au
i 12.38692618010643 7.3944e-06 deg
node 178.8335587125625 2.4021e-05 deg
peri 308.0682298412052 3.2581e-05 deg
M 282.5110782034686 2.3156e-05 deg
tp 2459428.881195951054
(2021-Aug-02.38119595)
0.00013076 TDB
period 1990.184234945473
5.45
3.4754e-05
9.515e-08
d
yr
n .1808877759550051 3.1588e-09 deg/d
Q 3.550842147690254 4.1338e-08 au
  Orbit Determination Parameters
   # obs. used (total)      261  
   data-arc span      7192 days (19.69 yr)  
   first obs. used      2000-02-12  
   last obs. used      2019-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46198  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 22:47:01  

Additional Information
 Earth MOID = 1.67682 au 
 Jupiter MOID = 1.5796 au 
 T_jup = 3.171 
[ 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 15.5   n/a MPO494120  
diameter diameter 5.489 km 0.154 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.031   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

199696 (2006 HD31)          Discovered 2006-Apr-25 by Sarneczky, K. at Piszkesteto
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

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