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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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1671745792210446 3.0304e-08  
a 2.449878787787085 7.1565e-09 au
q 2.040321332296216 7.4849e-08 au
i .3895435546272771 3.1414e-06 deg
node 66.16284964412243 0.00055963 deg
peri 41.5210897021351 0.00055974 deg
M 335.843090294505 1.0545e-05 deg
tp 2459094.484059149710
(2020-Sep-01.98405915)
4.1107e-05 TDB
period 1400.603873027656
3.83
6.1371e-06
1.68e-08
d
yr
n .2570319895102071 1.1263e-09 deg/d
Q 2.859436243277954 8.3529e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2296  
   data-arc span      22629 days (61.95 yr)  
   first obs. used      1958-12-03  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46915  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:05:18  

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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