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183967 (2004 EQ4)
Classification: Main-belt Asteroid          SPK-ID: 2183967
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1241194732862442 4.8209e-08  
a 3.119659671337498 3.3806e-08 au
q 2.73244915609875 1.6141e-07 au
i 2.381470740610824 4.8425e-06 deg
node 96.94459825399566 0.00015091 deg
peri 130.3219948791541 0.00015368 deg
M 290.1227685557136 3.2746e-05 deg
tp 2459391.154151527348
(2021-Jun-25.65415153)
0.00018644 TDB
period 2012.608279450439
5.51
3.2714e-05
8.957e-08
d
yr
n .1788723636267169 2.9075e-09 deg/d
Q 3.506870186576246 3.8002e-08 au
  Orbit Determination Parameters
   # obs. used (total)      401  
   data-arc span      8045 days (22.03 yr)  
   first obs. used      1998-01-23  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55181  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 19:44:01  

Additional Information
 Earth MOID = 1.72345 au 
 Jupiter MOID = 1.47719 au 
 T_jup = 3.203 
[ 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 15.5   n/a MPO417994  
diameter diameter 3.456 km 0.615 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.102   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

183967 (2004 EQ4)          Discovered 2004-Mar-11 by NEAT at Palomar
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Alternate Designations
 2004 EQ4 = 1998 BF28 = 2001 UA208 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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