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21196 (1994 PU5)
Classification: Main-belt Asteroid          SPK-ID: 2021196
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0688830618693831 5.48e-08  
a 2.965809245121302 1.7678e-08 au
q 2.761515223396823 1.6163e-07 au
i 9.866546903679033 4.6605e-06 deg
node 149.7597813604873 2.9616e-05 deg
peri 187.738731991754 4.8694e-05 deg
M 50.44770595371528 3.825e-05 deg
tp 2458939.071958070419
(2020-Mar-30.57195807)
0.0001989 TDB
period 1865.577300601082
5.11
1.668e-05
4.567e-08
d
yr
n .1929697578781696 1.7253e-09 deg/d
Q 3.170103266845782 1.8896e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1107  
   data-arc span      10539 days (28.85 yr)  
   first obs. used      1992-03-06  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54705  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:51:19  

Additional Information
 Earth MOID = 1.75018 au 
 Jupiter MOID = 2.17767 au 
 T_jup = 3.239 
[ 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 14.57   n/a E2021B10  
diameter diameter 3.594 km 0.466 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.238   0.082 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

21196 (1994 PU5)          Discovered 1994-Aug-10 by Elst, E. W. at La Silla
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 PU5 = 1992 EM37 = 1999 PX4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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