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JPL Small-Body Database Browser
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49540 (1999 CU63)
Classification: Main-belt Asteroid          SPK-ID: 2049540
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1096525380631337 4.869e-08  
a 3.113269177447301 2.6972e-08 au
q 2.77189131046648 1.5384e-07 au
i 12.49337177443739 4.8827e-06 deg
node 291.2775624082761 2.6781e-05 deg
peri 286.4733275435838 3.5922e-05 deg
M 179.0072853651748 2.4564e-05 deg
tp 2457602.819139828251
(2016-Aug-02.31913983)
0.00013537 TDB
period 2006.427330201299
5.49
2.6074e-05
7.139e-08
d
yr
n .179423393302703 2.3317e-09 deg/d
Q 3.454647044428122 2.993e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1159  
   data-arc span      12063 days (33.03 yr)  
   first obs. used      1986-11-27  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51115  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:20:50  

Additional Information
 Earth MOID = 1.79621 au 
 Jupiter MOID = 1.77866 au 
 T_jup = 3.173 
[ 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 13.6   n/a MPO452844  
diameter diameter 11.217 km 0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.190 h n/a LCDB (Rev. 2019-January); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.081   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49540 (1999 CU63)          Discovered 1999-Feb-12 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 CU63 = 1986 WT5 = 1996 OG2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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