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2664 Everhart (1934 RR)
Classification: Main-belt Asteroid          SPK-ID: 2002664
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1819775656122829 3.8451e-08  
a 2.38067531230997 7.8144e-09 au
q 1.94744581446254 9.0131e-08 au
i 3.258724910480285 3.7682e-06 deg
node 167.6863782508421 6.3657e-05 deg
peri 207.0867505277511 6.4267e-05 deg
M 108.2727053925609 1.0308e-05 deg
tp 2458596.979904994310
(2019-Apr-23.47990499)
3.7619e-05 TDB
period 1341.679176440245
3.67
6.606e-06
1.809e-08
d
yr
n .2683204795315936 1.3211e-09 deg/d
Q 2.813904810157399 9.2365e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1911  
   data-arc span      31192 days (85.40 yr)  
   first obs. used      1934-09-07  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52461  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:27:56  

Additional Information
 Earth MOID = .948894 au 
 Jupiter MOID = 2.64888 au 
 T_jup = 3.514 
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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 13.9   n/a MPO412185  
diameter diameter 11.141 km 0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.038   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2664 Everhart (1934 RR)          Discovered 1934-Sep-07 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1934 RR = 1967 RT = 1978 PQ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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