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21037 (1990 EB)
Classification: Main-belt Asteroid          SPK-ID: 2021037
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1517231381437206 5.6472e-08  
a 2.374337869184235 1.5153e-08 au
q 2.014095876658128 1.3915e-07 au
i 12.08792729299746 5.5325e-06 deg
node 149.9783457629111 2.5756e-05 deg
peri 54.20213511922961 3.1135e-05 deg
M 355.1401267902743 1.9894e-05 deg
tp 2457418.539921526820
(2016-Jan-31.03992153)
7.3943e-05 JED
period 1336.325346237135
3.66
1.2793e-05
3.503e-08
d
yr
n .2693954739492885 2.5789e-09 deg/d
Q 2.734579861710342 1.7452e-08 au
  Orbit Determination Parameters
   # obs. used (total)      964  
   data-arc span      9151 days (25.05 yr)  
   first obs. used      1990-03-04  
   last obs. used      2015-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51806  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:38:31  

Additional Information
 Earth MOID = 1.03812 au 
 Jupiter MOID = 2.27465 au 
 T_jup = 3.497 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9 mag n/a MPO319347  

21037 (1990 EB)          Discovered 1990-Mar-04 by Sugie, A. at Dynic
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 EB = 1999 RM39 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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