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173679 (2001 OH39)
Classification: Main-belt Asteroid          SPK-ID: 2173679
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 .3247789988696417 7.124e-08  
a 2.993865302111996 1.9134e-08 au
q 2.021520726541504 2.0613e-07 au
i 9.883776872816101 5.0278e-06 deg
node 116.5459347882523 3.6296e-05 deg
peri 261.4856534426562 3.7175e-05 deg
M 200.5355521588082 1.095e-05 deg
tp 2459838.623822395766
(2022-Sep-16.12382240)
6.324e-05 TDB
period 1892.111879150385
5.18
1.8139e-05
4.966e-08
d
yr
n .1902635906295619 1.824e-09 deg/d
Q 3.966209877682487 2.5348e-08 au
  Orbit Determination Parameters
   # obs. used (total)      407  
   data-arc span      10368 days (28.39 yr)  
   first obs. used      1991-12-08  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51481  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:29:21  

Additional Information
 Earth MOID = 1.05133 au 
 Jupiter MOID = 1.64603 au 
 T_jup = 3.152 
[ 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 15.3   n/a MPO264386  
diameter diameter 5.321 km 1.291 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173679 (2001 OH39)          Discovered 2001-Jul-20 by NEAT at Palomar
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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