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58661 (1997 XU)
Classification: Main-belt Asteroid          SPK-ID: 2058661
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07982937155862621 1.1316e-07  
a 2.550764374350944 1.4901e-08 au
q 2.347138457352375 2.9146e-07 au
i 7.566451767035491 4.4299e-06 deg
node 288.9964706395016 5.3221e-05 deg
peri 117.5514534373798 8.2502e-05 deg
M 116.9649737068823 6.1442e-05 deg
tp 2458117.043651311119
(2017-Dec-29.54365131)
0.00025276 TDB
period 1488.003459601139
4.07
1.3039e-05
3.57e-08
d
yr
n .2419349213720904 2.12e-09 deg/d
Q 2.754390291349512 1.609e-08 au
  Orbit Determination Parameters
   # obs. used (total)      904  
   data-arc span      7797 days (21.35 yr)  
   first obs. used      1997-12-03  
   last obs. used      2019-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53413  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:35:43  

Additional Information
 Earth MOID = 1.3683 au 
 Jupiter MOID = 2.5283 au 
 T_jup = 3.424 
[ 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 14.9   n/a MPO436192  
diameter diameter 4.430 km 0.082 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.129   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58661 (1997 XU)          Discovered 1997-Dec-03 by Kobayashi, T. at Oizumi
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 XU = 2000 OP11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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