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120572 (1995 MQ4)
Classification: Main-belt Asteroid          SPK-ID: 2120572
[ 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03825415834309438 7.0599e-08  
a 2.652658794480965 2.3073e-08 au
q 2.551183564926688 1.8482e-07 au
i 9.264824682483152 6.2442e-06 deg
node 265.1412768619371 4.6445e-05 deg
peri 287.4042774629938 0.00010554 deg
M 23.41709220825537 9.1539e-05 deg
tp 2458897.851884880557
(2020-Feb-18.35188488)		 0.00040173 TDB
period 1578.049106796101
4.32		 2.0589e-05
5.637e-08		 d
yr
n .2281297828119588 2.9764e-09 deg/d
Q 2.754134024035241 2.3956e-08 au
   Orbit Determination Parameters
   # obs. used (total)      361  
   data-arc span      9070 days (24.83 yr)  
   first obs. used      1995-06-29  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58432  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:38:37  

Additional Information
 Earth MOID = 1.56461 au 
 Jupiter MOID = 2.28762 au 
 T_jup = 3.370 
[ 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 15.7   n/a MPO426760  
diameter diameter 4.243 km 0.144 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120572 (1995 MQ4)          Discovered 1995-Jun-29 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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