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70992 (1999 XU34)
Classification: Main-belt Asteroid          SPK-ID: 2070992
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05551831416612683 4.0069e-08  
a 2.614060148088952 1.5373e-08 au
q 2.468931935538197 1.0973e-07 au
i 21.39798756881406 5.2968e-06 deg
node 298.9629973689581 1.6524e-05 deg
peri 130.5215123394524 6.9469e-05 deg
M 351.9767928806481 6.593e-05 deg
tp 2459034.904661884799
(2020-Jul-04.40466188)
0.00028271 TDB
period 1543.731589410581
4.23
1.3618e-05
3.728e-08
d
yr
n .2332011616977102 2.0572e-09 deg/d
Q 2.759188360639706 1.6227e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1123  
   data-arc span      8017 days (21.95 yr)  
   first obs. used      1998-08-25  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47817  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 06:30:56  

Additional Information
 Earth MOID = 1.51537 au 
 Jupiter MOID = 2.41538 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 14.0   n/a MPO400671  
diameter diameter 4.358 km 0.204 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.234   0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70992 (1999 XU34)          Discovered 1999-Dec-06 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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