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58561 (1997 ME9)
Classification: Main-belt Asteroid          SPK-ID: 2058561
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02964887780322446 3.9893e-08  
a 2.687736751373009 1.5126e-08 au
q 2.608048372864315 1.0577e-07 au
i 1.933506596715627 4.3768e-06 deg
node 258.0816635879699 0.00014101 deg
peri 23.7030751142602 0.00016901 deg
M 95.05430427246738 9.1229e-05 deg
tp 2458575.540239842741
(2019-Apr-02.04023984)
0.00040843 TDB
period 1609.453825658328
4.41
1.3586e-05
3.72e-08
d
yr
n .2236783648345712 1.8882e-09 deg/d
Q 2.767425129881703 1.5574e-08 au
  Orbit Determination Parameters
   # obs. used (total)      499  
   data-arc span      8518 days (23.32 yr)  
   first obs. used      1997-06-30  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57567  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:50:39  

Additional Information
 Earth MOID = 1.59173 au 
 Jupiter MOID = 2.25989 au 
 T_jup = 3.372 
[ 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 15.8   n/a MPO432140  
diameter diameter 2.481 km 0.936 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.125   0.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58561 (1997 ME9)          Discovered 1997-Jun-30 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 ME9 = 2000 DZ65 = 2002 TQ252 = 2004 CF130 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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