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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1239717271981682 4.4016e-08  
a 2.37811070366075 8.4048e-09 au
q 2.083292212259475 1.0571e-07 au
i 1.292191279718822 4.7751e-06 deg
node 227.1837664366962 0.00016884 deg
peri 178.5597884158099 0.00016958 deg
M 3.01816181835588 1.5128e-05 deg
tp 2459189.269824370784
(2020-Dec-05.76982437)
5.6288e-05 TDB
period 1339.511752461333
3.67
7.1012e-06
1.944e-08
d
yr
n .2687546408894922 1.4248e-09 deg/d
Q 2.672929195062024 9.4467e-09 au
  Orbit Determination Parameters
   # obs. used (total)      557  
   data-arc span      9616 days (26.33 yr)  
   first obs. used      1994-08-10  
   last obs. used      2020-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50623  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:24:43  

Additional Information
 Earth MOID = 1.09168 au 
 Jupiter MOID = 2.67778 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 16.76   n/a E2021B55  
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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