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344769 (2003 WH97)
Classification: Main-belt Asteroid          SPK-ID: 2344769
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04458839810404613 4.9464e-08  
a 2.704185447701191 2.7806e-08 au
q 2.583610150411922 1.4056e-07 au
i 6.136432693907622 5.5e-06 deg
node 109.0082533548544 6.0101e-05 deg
peri 207.4042059721258 9.6468e-05 deg
M 354.3094887091919 7.783e-05 deg
tp 2459026.174495735173
(2020-Jun-25.67449574)
0.00035124 TDB
period 1624.250966620905
4.45
2.5052e-05
6.859e-08
d
yr
n .2216406253701943 3.4185e-09 deg/d
Q 2.824760744990459 2.9046e-08 au
  Orbit Determination Parameters
   # obs. used (total)      209  
   data-arc span      8004 days (21.91 yr)  
   first obs. used      1997-06-10  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54432  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:05:55  

Additional Information
 Earth MOID = 1.5711 au 
 Jupiter MOID = 2.31041 au 
 T_jup = 3.356 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO437460  
diameter diameter 2.942 km 0.369 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

344769 (2003 WH97)          Discovered 2003-Nov-19 by LONEOS at Anderson Mesa
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

Alternate Designations
 2003 WH97 = 2008 YM94 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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