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21053 (1990 VE)
Classification: Main-belt Asteroid          SPK-ID: 2021053
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1806627687983287 1.7031e-08  
a 2.760992323923696 1.1104e-08 au
q 2.262183806052709 4.818e-08 au
i 6.926481536666855 4.0657e-07 deg
node 70.39487337454167 3.8595e-06 deg
peri 346.2349836945995 6.8393e-06 deg
M 199.0837544670496 8.1486e-06 deg
tp 2459949.520348183356
(2023-Jan-05.02034818)
4.0545e-05 TDB
period 1675.699830386568
4.59
1.0109e-05
2.768e-08
d
yr
n .2148356128418009 1.296e-09 deg/d
Q 3.259800841794683 1.311e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2208  
   data-arc span      10839 days (29.68 yr)  
   first obs. used      1990-11-10  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .477  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:37:31  

Additional Information
 Earth MOID = 1.2743 au 
 Jupiter MOID = 2.09286 au 
 T_jup = 3.307 
[ 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 13.23   n/a E2021B10  
diameter diameter 5.504 km 0.254 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.403   0.092 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21053 (1990 VE)          Discovered 1990-Nov-10 by Natori, A., Urata, T. at Yakiimo
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 VE = 1999 SE4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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