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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1672353687991629 2.775e-08  
a 2.45006950593901 6.2822e-09 au
q 2.040331228529717 6.7306e-08 au
i .3895600022945819 2.7205e-06 deg
node 66.16278676750133 0.00055457 deg
peri 41.4855622009776 0.00055467 deg
M 27.27134102262719 1.0435e-05 deg
tp 2459094.386649418963
(2020-Sep-01.88664942)		 4.0539e-05 TDB
period 1400.767427515866
3.84		 5.3876e-06
1.475e-08		 d
yr
n .2570019782930185 9.8847e-10 deg/d
Q 2.859807783348303 7.3328e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2597  
   data-arc span      22757 days (62.31 yr)  
   first obs. used      1958-12-03  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44799  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 20:06:41  

Additional Information
 Earth MOID = 1.057 au 
 Jupiter MOID = 2.26198 au 
 T_jup = 3.477 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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

Alternate Designations
 1975 EV1 = 1958 XB = 1971 FO = 1977 TH8 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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