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71213 (1999 XA259)
Classification: Main-belt Asteroid          SPK-ID: 2071213
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 .1436445608970519 3.4098e-08  
a 2.577032557101053 1.1558e-08 au
q 2.206855847018865 8.9368e-08 au
i 4.540859847111401 4.8742e-06 deg
node 211.9581988960306 4.5287e-05 deg
peri 96.51981931933106 4.9981e-05 deg
M 349.2865197454875 1.8168e-05 deg
tp 2458645.468288392789
(2019-Jun-10.96828839)
7.6166e-05 TDB
period 1511.048084919502
4.14
1.0166e-05
2.783e-08
d
yr
n .2382452309710437 1.6028e-09 deg/d
Q 2.947209267183241 1.3218e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1237  
   data-arc span      7302 days (19.99 yr)  
   first obs. used      1999-11-04  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53002  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:25:22  

Additional Information
 Earth MOID = 1.19718 au 
 Jupiter MOID = 2.30262 au 
 T_jup = 3.408 
[ 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 14.9   n/a MPO347978  
diameter diameter 2.444 km 0.538 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.296   0.064 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71213 (1999 XA259)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XA259 = 2001 DS46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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