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2273 Yarilo (1975 EV1)
Classification: Main-belt Asteroid          SPK-ID: 2002273
[ 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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1671745792782854 3.045e-08  
a 2.44987878831199 7.2998e-09 au
q 2.040321332593138 7.5304e-08 au
i .389542910805641 3.1783e-06 deg
node 66.16291587161228 0.00056298 deg
peri 41.5210240717097 0.00056309 deg
M 335.8430894054906 1.0663e-05 deg
tp 2459094.484062638685
(2020-Sep-01.98406264)		 4.1577e-05 TDB
period 1400.603873477791
3.83		 6.26e-06
1.714e-08		 d
yr
n .2570319894276006 1.1488e-09 deg/d
Q 2.859436244030843 8.5201e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2166  
   data-arc span      22342 days (61.17 yr)  
   first obs. used      1958-12-03  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46775  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:17:10  

Additional Information
 Earth MOID = 1.05713 au 
 Jupiter MOID = 2.2625 au 
 T_jup = 3.477 
[ 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 13.5   n/a MPO452193  
diameter diameter 5.569 km 0.150 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.273   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2273 Yarilo (1975 EV1)          Discovered 1975-Mar-06 by Chernykh, L. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1975 EV1 = 1958 XB = 1971 FO = 1977 TH8 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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