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JPL Small-Body Database Browser
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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1670575033557417 3.1173e-08  
a 2.449335454158162 7.41e-09 au
q 2.040155588305797 7.6834e-08 au
i .3895751274915484 3.2103e-06 deg
node 66.1610395026778 0.00057245 deg
peri 41.60104796090254 0.00057255 deg
M 232.9228679112479 1.0586e-05 deg
tp 2459094.737545930834
(2020-Sep-02.23754593)
4.1614e-05 TDB
period 1400.137960391135
3.83
6.3538e-06
1.74e-08
d
yr
n .2571175199759831 1.1668e-09 deg/d
Q 2.858515320010526 8.648e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2051  
   data-arc span      22274 days (60.98 yr)  
   first obs. used      1958-12-03  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47393  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:32:56  

Additional Information
 Earth MOID = 1.05717 au 
 Jupiter MOID = 2.26435 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

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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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