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JPL Small-Body Database Browser
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52781 (1998 QY37)
Classification: Main-belt Asteroid          SPK-ID: 2052781
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1783847135920182 7.4594e-08  
a 2.29408217808292 5.813e-09 au
q 1.884852985789045 1.6885e-07 au
i 5.720397710481525 5.4186e-06 deg
node 335.5728284805905 3.808e-05 deg
peri 15.3894796446446 3.9222e-05 deg
M 331.447516330772 8.7341e-06 deg
tp 2458701.159153644833
(2019-Aug-05.65915364)
3.0914e-05 TDB
period 1269.146871142214
3.47
4.8239e-06
1.321e-08
d
yr
n .2836551136717573 1.0781e-09 deg/d
Q 2.703311370376796 6.85e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1231  
   data-arc span      10341 days (28.31 yr)  
   first obs. used      1991-08-06  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46732  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 05:06:00  

Additional Information
 Earth MOID = .878513 au 
 Jupiter MOID = 2.7177 au 
 T_jup = 3.568 
[ 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 15.2   n/a MPO302353  
diameter diameter 2.570 km 0.673 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.353   0.201 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52781 (1998 QY37)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QY37 = 1991 PV15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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