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JPL Small-Body Database Browser
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376889 (2001 XU91)
Classification: Main-belt Asteroid          SPK-ID: 2376889
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1882909831023498 8.4261e-07  
a 2.546946096389953 7.9732e-08 au
q 2.067379111991996 2.2081e-06 au
i 13.12824564424104 1.2842e-05 deg
node 63.15960380630053 6.3907e-05 deg
peri 327.4701867151481 0.00017184 deg
M 220.9896210114217 0.00015463 deg
tp 2459573.787911127210
(2021-Dec-25.28791113)
0.00066398 TDB
period 1484.663587765293
4.06
6.9716e-05
1.909e-07
d
yr
n .2424791737109078 1.1386e-08 deg/d
Q 3.02651308078791 9.4744e-08 au
  Orbit Determination Parameters
   # obs. used (total)      114  
   data-arc span      6350 days (17.39 yr)  
   first obs. used      2001-11-18  
   last obs. used      2019-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .72851  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 15:55:24  

Additional Information
 Earth MOID = 1.08648 au 
 Jupiter MOID = 2.42015 au 
 T_jup = 3.381 
[ 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 17.1   n/a MPO471861  
diameter diameter 2.007 km 0.558 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

376889 (2001 XU91)          Discovered 2001-Dec-10 by LINEAR at Socorro
Reference: Last Updated: 2013-11-20

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