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52577 (1997 MJ7)
Classification: Main-belt Asteroid          SPK-ID: 2052577
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1293463616125405 5.6649e-08  
a 2.572870129675663 1.571e-08 au
q 2.240078739500531 1.4823e-07 au
i 10.68925480278155 5.4724e-06 deg
node 215.6394792022903 3.1869e-05 deg
peri 294.0717081217574 3.8233e-05 deg
M 349.5230378275689 2.2562e-05 deg
tp 2459044.369036838571
(2020-Jul-13.86903684)
9.4546e-05 TDB
period 1507.388592414943
4.13
1.3806e-05
3.78e-08
d
yr
n .2388236197431046 2.1874e-09 deg/d
Q 2.905661519850796 1.7742e-08 au
  Orbit Determination Parameters
   # obs. used (total)      453  
   data-arc span      8250 days (22.59 yr)  
   first obs. used      1997-06-27  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6235  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:31:01  

Additional Information
 Earth MOID = 1.27388 au 
 Jupiter MOID = 2.16763 au 
 T_jup = 3.393 
[ 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 15.6   n/a MPO417182  
diameter diameter 3.936 km 1.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52577 (1997 MJ7)          Discovered 1997-Jun-27 by Spacewatch at Kitt Peak
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 MJ7 = 1998 TH13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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