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65654 (1981 ES47)
Classification: Main-belt Asteroid          SPK-ID: 2065654
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .15288832146543 4.3528e-08  
a 2.295566162623057 8.6335e-09 au
q 1.944600905206779 1.0237e-07 au
i 2.41718827734856 3.6384e-06 deg
node 53.83160816754192 0.00010901 deg
peri 319.0451172330079 0.00010953 deg
M 261.8590249678541 1.1614e-05 deg
tp 2459346.822745894436
(2021-May-12.32274589)
4.1623e-05 TDB
period 1270.378539454694
3.48
7.1668e-06
1.962e-08
d
yr
n .28338010192972 1.5987e-09 deg/d
Q 2.646531420039334 9.9535e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1114  
   data-arc span      14940 days (40.90 yr)  
   first obs. used      1978-05-09  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57215  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:15:09  

Additional Information
 Earth MOID = .945802 au 
 Jupiter MOID = 2.81657 au 
 T_jup = 3.578 
[ 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 15.6   n/a MPO385234  
diameter diameter 1.921 km 0.336 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.363   0.091 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

65654 (1981 ES47)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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