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JPL Small-Body Database Browser
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49697 (1999 UK52)
Classification: Main-belt Asteroid          SPK-ID: 2049697
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08856824775676016 3.4581e-08  
a 2.204283670471777 6.8318e-09 au
q 2.009054128219252 7.6649e-08 au
i 7.42419239300619 4.7399e-06 deg
node 132.3119616576037 3.0554e-05 deg
peri 327.5209755196641 4.2702e-05 deg
M 295.4476488866561 2.9351e-05 deg
tp 2458814.842956036584
(2019-Nov-27.34295604)
9.7536e-05 TDB
period 1195.362567626443
3.27
5.5572e-06
1.521e-08
d
yr
n .3011638558457035 1.4001e-09 deg/d
Q 2.399513212724302 7.4369e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1015  
   data-arc span      10481 days (28.70 yr)  
   first obs. used      1991-03-20  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57978  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:23:18  

Additional Information
 Earth MOID = 1.03012 au 
 Jupiter MOID = 2.6975 au 
 T_jup = 3.646 
[ 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 MPO412512  
diameter diameter 1.866 km 0.410 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.320   0.096 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49697 (1999 UK52)          Discovered 1999-Oct-31 by CSS at Catalina
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 UK52 = 1994 CJ9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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