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45113 (1999 XZ78)
Classification: Main-belt Asteroid          SPK-ID: 2045113
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .130675016988172 3.3323e-08  
a 2.602774940779423 1.2751e-08 au
q 2.262657281176683 8.4817e-08 au
i 4.915194745327415 3.8953e-06 deg
node 80.15572032618016 5.4323e-05 deg
peri 198.6462052979777 5.7441e-05 deg
M 150.3066583565772 1.8855e-05 deg
tp 2458560.132812046924
(2019-Mar-17.63281205)		 7.9817e-05 TDB
period 1533.745678226767
4.20		 1.1271e-05
3.086e-08		 d
yr
n .2347194877942296 1.7249e-09 deg/d
Q 2.942892600382162 1.4417e-08 au
   Orbit Determination Parameters
   # obs. used (total)      850  
   data-arc span      8185 days (22.41 yr)  
   first obs. used      1998-08-17  
   last obs. used      2021-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57522  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 04:39:32  

Additional Information
 Earth MOID = 1.24501 au 
 Jupiter MOID = 2.16963 au 
 T_jup = 3.396 
[ 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 15.3   n/a MPO502456  
diameter diameter 2.011 km 0.183 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.363   0.106 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

45113 (1999 XZ78)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XZ78 = 2001 DD33 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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