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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1806230318464697 4.215e-08  
a 2.531847771758349 8.6466e-09 au
q 2.074537751049628 1.07e-07 au
i 6.561843708534091 4.5467e-06 deg
node 221.993372256782 2.7509e-05 deg
peri 110.5214125714819 3.0179e-05 deg
M 227.1794989943599 1.3237e-05 deg
tp 2459743.396979287545
(2022-Jun-12.89697929)
5.502e-05 TDB
period 1471.481518769583
4.03
7.538e-06
2.064e-08
d
yr
n .2446513907296799 1.2533e-09 deg/d
Q 2.989157792467071 1.0208e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54496  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:36:43  

Additional Information
 Earth MOID = 1.07377 au 
 Jupiter MOID = 2.42072 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 15.41   n/a E2021B55  
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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