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26872 (1993 YR)
Classification: Main-belt Asteroid          SPK-ID: 2026872
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3195530938971194 4.1393e-08  
a 2.618417869496494 1.0626e-08 au
q 1.781694338183385 1.1043e-07 au
i 11.6972407222852 5.1038e-06 deg
node 215.7723699326433 1.7172e-05 deg
peri 196.288950805837 1.879e-05 deg
M 102.6079201021673 6.9829e-06 deg
tp 2458559.401841426863
(2019-Mar-16.90184143)
2.85e-05 TDB
period 1547.59337220963
4.24
9.4206e-06
2.579e-08
d
yr
n .2326192438301784 1.416e-09 deg/d
Q 3.455141400809602 1.4022e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1291  
   data-arc span      9632 days (26.37 yr)  
   first obs. used      1993-12-11  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50632  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 06:06:34  

Additional Information
 Earth MOID = .795047 au 
 Jupiter MOID = 1.95013 au 
 T_jup = 3.304 
[ 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 14.6   n/a MPO416977  
diameter diameter 2.416 km 0.372 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.438   0.170 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

26872 (1993 YR)          Discovered 1993-Dec-18 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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