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35472 (1998 EJ8)
Classification: Main-belt Asteroid          SPK-ID: 2035472
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .156249271723002 6.0719e-08  
a 2.53410110388984 1.1408e-08 au
q 2.138149651934597 1.5455e-07 au
i 6.676793829141153 6.3547e-06 deg
node 170.6335023743244 4.0689e-05 deg
peri 128.6791509345553 4.3085e-05 deg
M 70.45236998104357 1.5568e-05 deg
tp 2458712.145030542183
(2019-Aug-16.64503054)
6.3029e-05 TDB
period 1473.446372815355
4.03
9.9494e-06
2.724e-08
d
yr
n .244325145890541 1.6498e-09 deg/d
Q 2.930052555845083 1.319e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1167  
   data-arc span      13200 days (36.14 yr)  
   first obs. used      1983-09-11  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56834  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 05:37:43  

Additional Information
 Earth MOID = 1.13038 au 
 Jupiter MOID = 2.31312 au 
 T_jup = 3.423 
[ 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 14.5   n/a MPO347780  
diameter diameter 2.782 km 0.327 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.208   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35472 (1998 EJ8)          Discovered 1998-Mar-02 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 EJ8 = 1983 RR8 = 1987 RH4 = 1987 SH31 = 1999 RB117 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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