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JPL Small-Body Database Browser
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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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .181977564048638 3.867e-08  
a 2.380675312598818 7.8572e-09 au
q 1.947445818421356 9.0734e-08 au
i 3.258724981751096 3.8059e-06 deg
node 167.6863811232783 6.4121e-05 deg
peri 207.086747223221 6.4726e-05 deg
M 108.2727055689292 1.032e-05 deg
tp 2458596.979904263567
(2019-Apr-23.47990426)
3.7658e-05 TDB
period 1341.679176684425
3.67
6.6422e-06
1.819e-08
d
yr
n .2683204794827604 1.3284e-09 deg/d
Q 2.813904806776281 9.2871e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1886  
   data-arc span      31167 days (85.33 yr)  
   first obs. used      1934-09-07  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52739  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 18:40:24  

Additional Information
 Earth MOID = .948894 au 
 Jupiter MOID = 2.64888 au 
 T_jup = 3.514 
[ 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 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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