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JPL Small-Body Database Browser
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65905 (1998 EH2)
Classification: Main-belt Asteroid          SPK-ID: 2065905
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0266973440714574 4.3379e-08  
a 2.52572581574254 1.4393e-08 au
q 2.458295644609499 1.1092e-07 au
i 5.40555889834984 5.0242e-06 deg
node 28.06484372180733 5.1235e-05 deg
peri 77.89313931979704 0.00012023 deg
M 278.0237082063424 0.00011095 deg
tp 2459334.359316574474
(2021-Apr-29.85931657)
0.00045255 TDB
period 1466.147728044826
4.01
1.2532e-05
3.431e-08
d
yr
n .2455414233598931 2.0989e-09 deg/d
Q 2.593155986875581 1.4777e-08 au
  Orbit Determination Parameters
   # obs. used (total)      850  
   data-arc span      9332 days (25.55 yr)  
   first obs. used      1994-04-15  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .559  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:47:58  

Additional Information
 Earth MOID = 1.48205 au 
 Jupiter MOID = 2.41869 au 
 T_jup = 3.447 
[ 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 15.0   n/a MPO432211  
diameter diameter 2.613 km 0.507 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.311   0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

65905 (1998 EH2)          Discovered 1998-Mar-02 by ODAS at Caussols
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 EH2 = 2000 WG114 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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