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71057 (1999 XE96)
Classification: Main-belt Asteroid          SPK-ID: 2071057
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05897372889753689 4.1875e-08  
a 2.633052280595908 1.4998e-08 au
q 2.477771369227004 1.1198e-07 au
i 8.253470136600257 4.8405e-06 deg
node 261.4233628851421 3.148e-05 deg
peri 147.8077996809698 5.2351e-05 deg
M 302.348950063478 4.317e-05 deg
tp 2459250.415027160234
(2021-Feb-04.91502716)
0.00018776 TDB
period 1560.585798120712
4.27
1.3333e-05
3.65e-08
d
yr
n .2306826067708158 1.9709e-09 deg/d
Q 2.788333191964813 1.5882e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1185  
   data-arc span      7708 days (21.10 yr)  
   first obs. used      1998-06-27  
   last obs. used      2019-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54581  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:20:00  

Additional Information
 Earth MOID = 1.49318 au 
 Jupiter MOID = 2.46942 au 
 T_jup = 3.382 
[ 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 13.8   n/a MPO347977  
diameter diameter 4.894 km 0.140 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.260   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71057 (1999 XE96)          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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