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JPL Small-Body Database Browser
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49784 (1999 XA10)
Classification: Main-belt Asteroid          SPK-ID: 2049784
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2266813016230043 3.7991e-08  
a 2.285974123166001 7.537e-09 au
q 1.767786533450226 8.9876e-08 au
i 1.106238784655911 3.2665e-06 deg
node 41.47031366482751 0.00019849 deg
peri 306.5643317808239 0.00019866 deg
M 307.7632698177441 7.4194e-06 deg
tp 2458783.680345993368
(2019-Oct-27.18034599)
2.6031e-05 TDB
period 1262.424434445426
3.46
6.2434e-06
1.709e-08
d
yr
n .2851655831250965 1.4103e-09 deg/d
Q 2.804161712881776 9.2455e-09 au
  Orbit Determination Parameters
   # obs. used (total)      882  
   data-arc span      8813 days (24.13 yr)  
   first obs. used      1995-10-01  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52074  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:23:56  

Additional Information
 Earth MOID = .760583 au 
 Jupiter MOID = 2.61559 au 
 T_jup = 3.567 
[ 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 16.1   n/a MPO493211  
diameter diameter 1.721 km 0.456 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.150   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49784 (1999 XA10)          Discovered 1999-Dec-05 by Spacewatch at Kitt Peak
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XA10 = 1997 CB21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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