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123521 (2000 XD4)
Classification: Main-belt Asteroid          SPK-ID: 2123521
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1889919743605601 6.7125e-08  
a 2.591494191403237 2.2436e-08 au
q 2.101722587626016 1.8473e-07 au
i 13.3714782991557 5.3052e-06 deg
node 283.1112682940485 2.3078e-05 deg
peri 44.659387239766 2.5316e-05 deg
M 315.7349241015226 1.2549e-05 deg
tp 2459187.862425073105
(2020-Dec-04.36242507)
5.4449e-05 TDB
period 1523.785324146202
4.17
1.9788e-05
5.418e-08
d
yr
n .236253751952699 3.068e-09 deg/d
Q 3.081265795180459 2.6676e-08 au
  Orbit Determination Parameters
   # obs. used (total)      843  
   data-arc span      6814 days (18.66 yr)  
   first obs. used      2000-09-03  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50319  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:42:15  

Additional Information
 Earth MOID = 1.11035 au 
 Jupiter MOID = 2.28259 au 
 T_jup = 3.356 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5   n/a MPO432729  
diameter diameter 3.967 km 1.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.195   0.173 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

123521 (2000 XD4)          Discovered 2000-Dec-01 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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