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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1092991526835503 4.6735e-08  
a 3.113987356666755 2.587e-08 au
q 2.77363117711579 1.4974e-07 au
i 12.49432898963164 4.7635e-06 deg
node 291.2724725899836 2.4859e-05 deg
peri 286.5135013600874 3.3772e-05 deg
M 250.6994482094659 2.418e-05 deg
tp 2459609.887508939423
(2022-Jan-30.38750894)
0.00013702 TDB
period 2007.12164416714
5.50
2.5012e-05
6.848e-08
d
yr
n .1793613262286267 2.2352e-09 deg/d
Q 3.454343536217719 2.8698e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1256  
   data-arc span      12384 days (33.91 yr)  
   first obs. used      1986-11-27  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49785  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:32:08  

Additional Information
 Earth MOID = 1.79783 au 
 Jupiter MOID = 1.7789 au 
 T_jup = 3.172 
[ 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-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:
[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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