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49824 (1999 XV73)
Classification: Main-belt Asteroid          SPK-ID: 2049824
[ 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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09964986738604725 3.6075e-08  
a 2.215395761481175 7.0494e-09 au
q 1.994631867641965 8.0177e-08 au
i 5.205697242993836 3.2024e-06 deg
node 87.89592031161443 4.1735e-05 deg
peri 238.4168007232614 4.4752e-05 deg
M 179.3445393491338 1.73e-05 deg
tp 2458400.486440848499
(2018-Oct-08.98644085)		 5.7383e-05 TDB
period 1204.412925414133
3.30		 5.7487e-06
1.574e-08		 d
yr
n .2989008108462596 1.4267e-09 deg/d
Q 2.436159655320386 7.7519e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1524  
   data-arc span      8002 days (21.91 yr)  
   first obs. used      1998-06-24  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50527  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:30:41  

Additional Information
 Earth MOID = .988217 au 
 Jupiter MOID = 2.80935 au 
 T_jup = 3.642 
[ 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 15.0   n/a MPO452848  
diameter diameter 2.769 km 0.701 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.277   0.184 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49824 (1999 XV73)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XV73 = 1998 ME20 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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