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13710 Shridhar (1998 QU13)
Classification: Main-belt Asteroid          SPK-ID: 2013710
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1405705793716611 2.8094e-08  
a 2.267648820181115 7.7743e-09 au
q 1.948884111716792 6.3447e-08 au
i 5.832871732227858 4.9797e-06 deg
node 320.5347996575748 3.0739e-05 deg
peri 79.43907354237682 3.5667e-05 deg
M 74.48554606521645 1.737e-05 deg
tp 2458742.433501293432
(2019-Sep-15.93350129)
6.0076e-05 TDB
period 1247.274732375882
3.41
6.4141e-06
1.756e-08
d
yr
n .2886292736117974 1.4843e-09 deg/d
Q 2.586413528645439 8.8671e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1510  
   data-arc span      14135 days (38.70 yr)  
   first obs. used      1981-08-30  
   last obs. used      2020-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5022  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:44:39  

Additional Information
 Earth MOID = .966498 au 
 Jupiter MOID = 2.81713 au 
 T_jup = 3.595 
[ 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 14.6   n/a MPO452363  
diameter diameter 2.576 km 0.496 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.463   0.264 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13710 Shridhar           Discovered 1998 Aug. 17 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Nupur Shridhar (b. 1989) is a finalist in the 2002 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for her computer science project. She attends the Great Valley Middle School, Malvern, Pennsylvania.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20021021/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1998 QU13 = 1981 QN4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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