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JPL Small-Body Database Browser
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71048 (1999 XA87)
Classification: Main-belt Asteroid          SPK-ID: 2071048
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2112398452708997 5.0294e-08  
a 2.691964397779141 1.5918e-08 au
q 2.123314254917505 1.3968e-07 au
i 12.03154442630248 4.5372e-06 deg
node 277.8278791643911 2.823e-05 deg
peri 113.6556743257819 3.1346e-05 deg
M 189.7440870422858 1.3296e-05 deg
tp 2459363.460576437709
(2021-May-28.96057644)
6.3061e-05 TDB
period 1613.252677960107
4.42
1.4309e-05
3.918e-08
d
yr
n .2231516518882866 1.9793e-09 deg/d
Q 3.260614540640777 1.928e-08 au
  Orbit Determination Parameters
   # obs. used (total)      854  
   data-arc span      7126 days (19.51 yr)  
   first obs. used      1999-10-12  
   last obs. used      2019-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49665  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:17:42  

Additional Information
 Earth MOID = 1.16249 au 
 Jupiter MOID = 2.28621 au 
 T_jup = 3.308 
[ 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 14.2   n/a MPO436279  
diameter diameter 5.509 km 0.472 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.133   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71048 (1999 XA87)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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