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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06888284477825359 5.4846e-08  
a 2.966378939128851 1.7642e-08 au
q 2.762046319111358 1.6178e-07 au
i 9.866498889229225 4.654e-06 deg
node 149.7575517531471 2.9606e-05 deg
peri 187.9076514207418 4.8633e-05 deg
M 88.10387671235752 3.8078e-05 deg
tp 2458939.800129815608
(2020-Mar-31.30012982)
0.00019855 TDB
period 1866.114856706646
5.11
1.6648e-05
4.558e-08
d
yr
n .1929141706932952 1.721e-09 deg/d
Q 3.170711559146345 1.8858e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1112  
   data-arc span      10593 days (29.00 yr)  
   first obs. used      1992-03-06  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54928  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 18:31:21  

Additional Information
 Earth MOID = 1.75188 au 
 Jupiter MOID = 2.17677 au 
 T_jup = 3.238 
[ 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 14.58   n/a MPCxxxxx  
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

Alternate Designations
 1994 PU5 = 1992 EM37 = 1999 PX4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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