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100214 (1994 PJ4)
Classification: Main-belt Asteroid          SPK-ID: 2100214
[ 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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1239221044133088 4.4072e-08  
a 2.378117936312631 1.2295e-08 au
q 2.083416557101735 1.0608e-07 au
i 1.292190055587152 4.8949e-06 deg
node 227.1837630054721 0.00022548 deg
peri 178.5093064927916 0.00022669 deg
M 309.3052078400488 2.684e-05 deg
tp 2459189.129387990358
(2020-Dec-05.62938799)		 0.00010076 TDB
period 1339.517863339318
3.67		 1.0388e-05
2.844e-08		 d
yr
n .2687534148313236 2.0842e-09 deg/d
Q 2.672819315523527 1.3819e-08 au
   Orbit Determination Parameters
   # obs. used (total)      391  
   data-arc span      9485 days (25.97 yr)  
   first obs. used      1994-08-10  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54195  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 09:02:24  

Additional Information
 Earth MOID = 1.09274 au 
 Jupiter MOID = 2.67766 au 
 T_jup = 3.529 
[ 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 16.6   n/a MPO436466  
diameter diameter 2.983 km 0.149 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100214 (1994 PJ4)          Discovered 1994-Aug-10 by Elst, E. W. at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1994 PJ4 = 1998 TN11 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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