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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1089946899168505 4.336e-08  
a 3.113609691409482 2.2266e-08 au
q 2.774242768572205 1.4359e-07 au
i 12.49328333471185 4.6092e-06 deg
node 291.2697878660322 2.1242e-05 deg
peri 286.5394332180342 3.1436e-05 deg
M 321.6756605951371 2.3957e-05 deg
tp 2459610.132272029025
(2022-Jan-30.63227203)
0.00013409 TDB
period 2006.756518827046
5.49
2.1526e-05
5.893e-08
d
yr
n .1793939606636588 1.9243e-09 deg/d
Q 3.452976614246759 2.4693e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1574  
   data-arc span      12615 days (34.54 yr)  
   first obs. used      1986-11-27  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47447  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:40:21  

Additional Information
 Earth MOID = 1.79889 au 
 Jupiter MOID = 1.7778 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 13.58   n/a MPCxxxxx  
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. 2020-October); 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

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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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