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101423 (1998 VA19)
Classification: Main-belt Asteroid          SPK-ID: 2101423
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1804455853758136 4.2136e-08  
a 2.532286531511584 8.6406e-09 au
q 2.075346605993687 1.0699e-07 au
i 6.561203863805464 4.5462e-06 deg
node 222.0015378140605 2.7511e-05 deg
peri 110.4797741752521 3.0188e-05 deg
M 178.2952333793249 1.3179e-05 deg
tp 2458271.537938099015
(2018-Jun-02.03793810)
5.2927e-05 TDB
period 1471.864038709549
4.03
7.5334e-06
2.063e-08
d
yr
n .2445878087459958 1.2519e-09 deg/d
Q 2.98922645702948 1.02e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1265  
   data-arc span      7970 days (21.82 yr)  
   first obs. used      1998-06-27  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54478  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:59:48  

Additional Information
 Earth MOID = 1.07643 au 
 Jupiter MOID = 2.42046 au 
 T_jup = 3.418 
[ 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 15.4   n/a MPO314096  
diameter diameter 1.887 km 0.245 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.376   0.106 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101423 (1998 VA19)          Discovered 1998-Nov-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 VA19 = 2001 HB18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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