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173978 (2001 XE135)
Classification: Main-belt Asteroid          SPK-ID: 2173978
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0781146692386834 5.2503e-08  
a 3.144169507158295 3.9391e-08 au
q 2.898563746076271 1.5791e-07 au
i 16.63364435889897 5.9119e-06 deg
node 80.49052214715823 1.9516e-05 deg
peri 89.85231970904681 4.3439e-05 deg
M 28.93257157946672 3.7546e-05 deg
tp 2458836.840247674592
(2019-Dec-19.34024767)
0.00021228 TDB
period 2036.373112404574
5.58
3.8269e-05
1.048e-07
d
yr
n .1767848916326084 3.3223e-09 deg/d
Q 3.389775268240319 4.2469e-08 au
  Orbit Determination Parameters
   # obs. used (total)      334  
   data-arc span      6755 days (18.49 yr)  
   first obs. used      2001-11-21  
   last obs. used      2020-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5742  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 13:06:16  

Additional Information
 Earth MOID = 1.96588 au 
 Jupiter MOID = 1.82009 au 
 T_jup = 3.140 
[ 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 MPO433119  
diameter diameter 5.696 km 0.259 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173978 (2001 XE135)          Discovered 2001-Dec-14 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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