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160891 (2001 RU82)
Classification: Main-belt Asteroid          SPK-ID: 2160891
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1288264945318544 3.5391e-08  
a 2.186187997806873 1.471e-08 au
q 1.9045490616618 7.6437e-08 au
i 5.776980037063157 5.4127e-06 deg
node 206.9012213526383 5.6241e-05 deg
peri 31.66966234116632 6.427e-05 deg
M 258.6245190737641 3.3265e-05 deg
tp 2458932.975855483237
(2020-Mar-24.47585548)
0.00011002 TDB
period 1180.673145817739
3.23
1.1917e-05
3.263e-08
d
yr
n .3049108055647886 3.0775e-09 deg/d
Q 2.467826933951946 1.6606e-08 au
  Orbit Determination Parameters
   # obs. used (total)      483  
   data-arc span      6934 days (18.98 yr)  
   first obs. used      2000-02-02  
   last obs. used      2019-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55233  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:43:29  

Additional Information
 Earth MOID = .895595 au 
 Jupiter MOID = 2.5305 au 
 T_jup = 3.659 
[ 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 16.3   n/a MPO426994  
diameter diameter 1.387 km 0.203 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.365   0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160891 (2001 RU82)          Discovered 2001-Sep-11 by LONEOS at Anderson Mesa
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

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