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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1785751917287414 7.3461e-08  
a 2.294484597617201 5.5278e-09 au
q 1.884746570679065 1.6646e-07 au
i 5.720791034942139 4.9732e-06 deg
node 335.5639829164114 3.1624e-05 deg
peri 15.47947536527509 3.252e-05 deg
M 141.5289192011621 8.3369e-06 deg
tp 2458701.421528498172
(2019-Aug-05.92152850)
2.8517e-05 TDB
period 1269.480829464166
3.48
4.5876e-06
1.256e-08
d
yr
n .2835804934147387 1.0248e-09 deg/d
Q 2.704222624555337 6.515e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1469  
   data-arc span      10820 days (29.62 yr)  
   first obs. used      1991-08-06  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4589  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:19:54  

Additional Information
 Earth MOID = .877588 au 
 Jupiter MOID = 2.72111 au 
 T_jup = 3.568 
[ 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 15.21   n/a MPCxxxxx  
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

Alternate Designations
 1998 QY37 = 1991 PV15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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