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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1672038019583152 2.7261e-08  
a 2.449673979852244 6.1599e-09 au
q 2.040079176862592 6.5879e-08 au
i .3895436902946278 2.6473e-06 deg
node 66.16999249393528 0.00054505 deg
peri 41.42378713366213 0.00054515 deg
M 77.69955463720395 1.0469e-05 deg
tp 2459094.242636795373
(2020-Sep-01.74263680)
4.0536e-05 TDB
period 1400.428242629388
3.83
5.2822e-06
1.446e-08
d
yr
n .2570642243861624 9.6961e-10 deg/d
Q 2.859268782841897 7.1899e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2814  
   data-arc span      22848 days (62.55 yr)  
   first obs. used      1958-12-03  
   last obs. used      2021-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44183  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 13:32:42  

Additional Information
 Earth MOID = 1.05719 au 
 Jupiter MOID = 2.26273 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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