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212275 (2005 JY157)
Classification: Main-belt Asteroid          SPK-ID: 2212275
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1869585434277621 4.6213e-08  
a 2.672614896384548 1.8339e-08 au
q 2.172946708213153 1.2199e-07 au
i 12.32342537967131 5.7955e-06 deg
node 166.2082073055907 2.4892e-05 deg
peri 95.36996986273554 2.9402e-05 deg
M 55.11495134184017 1.8074e-05 deg
tp 2458356.173861303465
(2018-Aug-25.67386130)
7.9221e-05 TDB
period 1595.890185681438
4.37
1.6426e-05
4.497e-08
d
yr
n .225579430984646 2.3219e-09 deg/d
Q 3.172283084555942 2.1768e-08 au
  Orbit Determination Parameters
   # obs. used (total)      302  
   data-arc span      6648 days (18.20 yr)  
   first obs. used      2001-08-16  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58729  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:45:28  

Additional Information
 Earth MOID = 1.19951 au 
 Jupiter MOID = 2.04705 au 
 T_jup = 3.323 
[ 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 16.3   n/a MPO450007  
diameter diameter 2.938 km 0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

212275 (2005 JY157)          Discovered 2005-May-04 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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