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185550 (2007 YP57)
Classification: Main-belt Asteroid          SPK-ID: 2185550
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1098566688949743 4.2048e-08  
a 3.044321095932867 2.7584e-08 au
q 2.709882121286985 1.3462e-07 au
i 4.876560901293156 4.7791e-06 deg
node 84.82140942550423 7.9635e-05 deg
peri 192.8670443830905 8.5826e-05 deg
M 285.7318280253407 3.3134e-05 deg
tp 2459400.752770062063
(2021-Jul-05.25277006)
0.00018053 TDB
period 1940.144659431061
5.31
2.6369e-05
7.219e-08
d
yr
n .1855531742182402 2.5219e-09 deg/d
Q 3.37876007057875 3.0615e-08 au
  Orbit Determination Parameters
   # obs. used (total)      294  
   data-arc span      9475 days (25.94 yr)  
   first obs. used      1994-05-15  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61863  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 04:50:09  

Additional Information
 Earth MOID = 1.69374 au 
 Jupiter MOID = 1.72952 au 
 T_jup = 3.224 
[ 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 MPO427129  
diameter diameter 3.350 km 0.477 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

185550 (2007 YP57)          Discovered 2007-Dec-28 by Spacewatch at Kitt Peak
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Alternate Designations
 2007 YP57 = 1995 ON17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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