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58660 (1997 XR)
Classification: Main-belt Asteroid          SPK-ID: 2058660
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1468177364399127 4.9434e-08  
a 2.255164837712023 8.1676e-09 au
q 1.924066640940261 1.1119e-07 au
i 6.643092573244143 3.7113e-06 deg
node 278.5753971624822 4.2292e-05 deg
peri 95.13151768542205 4.3972e-05 deg
M 175.3045198460272 1.3203e-05 deg
tp 2457998.139511468963
(2017-Sep-01.63951147)
4.4532e-05 TDB
period 1236.98907513415
3.39
6.72e-06
1.84e-08
d
yr
n .2910292477408973 1.581e-09 deg/d
Q 2.586263034483785 9.3667e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1044  
   data-arc span      9359 days (25.62 yr)  
   first obs. used      1993-09-18  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52217  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:13:25  

Additional Information
 Earth MOID = .937652 au 
 Jupiter MOID = 2.91854 au 
 T_jup = 3.601 
[ 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 15.4   n/a MPO266215  
diameter diameter 1.586 km 0.223 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.443   0.130 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58660 (1997 XR)          Discovered 1997-Dec-03 by Kobayashi, T. at Oizumi
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 XR = 2000 RU60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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