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52521 (1996 JU3)
Classification: Main-belt Asteroid          SPK-ID: 2052521
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1140114333176765 4.4239e-08  
a 2.394322549136608 8.6202e-09 au
q 2.12134240348471 1.047e-07 au
i 3.595387715116646 3.8314e-06 deg
node 100.2040307500553 7.9111e-05 deg
peri 48.86731798149398 8.1013e-05 deg
M 237.4478271389879 1.8038e-05 deg
tp 2459461.171054859454
(2021-Sep-03.67105486)
6.8676e-05 TDB
period 1353.23247134497
3.70
7.308e-06
2.001e-08
d
yr
n .2660296790263967 1.4367e-09 deg/d
Q 2.667302694788505 9.603e-09 au
  Orbit Determination Parameters
   # obs. used (total)      957  
   data-arc span      10628 days (29.10 yr)  
   first obs. used      1990-09-27  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61288  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:29:57  

Additional Information
 Earth MOID = 1.1348 au 
 Jupiter MOID = 2.32997 au 
 T_jup = 3.518 
[ 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 15.4   n/a MPO280042  
diameter diameter 4.835 km 0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.49 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.057   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52521 (1996 JU3)          Discovered 1996-May-09 by Spacewatch at Kitt Peak
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1996 JU3 = 1998 XL92 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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